/src/libspectre/ghostscript/devices/vector/gdevpdfi.c
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1 | | /* Copyright (C) 2001-2020 Artifex Software, Inc. |
2 | | All Rights Reserved. |
3 | | |
4 | | This software is provided AS-IS with no warranty, either express or |
5 | | implied. |
6 | | |
7 | | This software is distributed under license and may not be copied, |
8 | | modified or distributed except as expressly authorized under the terms |
9 | | of the license contained in the file LICENSE in this distribution. |
10 | | |
11 | | Refer to licensing information at http://www.artifex.com or contact |
12 | | Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato, |
13 | | CA 94945, U.S.A., +1(415)492-9861, for further information. |
14 | | */ |
15 | | |
16 | | |
17 | | /* Image handling for PDF-writing driver */ |
18 | | #include "memory_.h" |
19 | | #include "math_.h" |
20 | | #include "gx.h" |
21 | | #include "gserrors.h" |
22 | | #include "gsdevice.h" |
23 | | #include "gsflip.h" |
24 | | #include "gsstate.h" |
25 | | #include "gscolor2.h" |
26 | | #include "gdevpdfx.h" |
27 | | #include "gdevpdfg.h" |
28 | | #include "gdevpdfo.h" /* for data stream */ |
29 | | #include "gxcspace.h" |
30 | | #include "gximage3.h" |
31 | | #include "gximag3x.h" |
32 | | #include "gsiparm4.h" |
33 | | #include "gxdcolor.h" |
34 | | #include "gxpcolor.h" |
35 | | #include "gxcolor2.h" |
36 | | #include "gxhldevc.h" |
37 | | #include "gxdevsop.h" |
38 | | #include "gsicc_manage.h" |
39 | | #include "gsform1.h" |
40 | | #include "gxpath.h" |
41 | | |
42 | | /* Forward references */ |
43 | | static image_enum_proc_plane_data(pdf_image_plane_data); |
44 | | static image_enum_proc_end_image(pdf_image_end_image); |
45 | | static image_enum_proc_end_image(pdf_image_end_image_object); |
46 | | static image_enum_proc_end_image(pdf_image_end_image_object2); |
47 | | static image_enum_proc_end_image(pdf_image_end_image_cvd); |
48 | | static IMAGE3_MAKE_MID_PROC(pdf_image3_make_mid); |
49 | | static IMAGE3_MAKE_MCDE_PROC(pdf_image3_make_mcde); |
50 | | static IMAGE3X_MAKE_MID_PROC(pdf_image3x_make_mid); |
51 | | static IMAGE3X_MAKE_MCDE_PROC(pdf_image3x_make_mcde); |
52 | | |
53 | | static const gx_image_enum_procs_t pdf_image_enum_procs = { |
54 | | pdf_image_plane_data, |
55 | | pdf_image_end_image |
56 | | }; |
57 | | static const gx_image_enum_procs_t pdf_image_object_enum_procs = { |
58 | | pdf_image_plane_data, |
59 | | pdf_image_end_image_object |
60 | | }; |
61 | | static const gx_image_enum_procs_t pdf_image_object_enum_procs2 = { |
62 | | pdf_image_plane_data, |
63 | | pdf_image_end_image_object2 |
64 | | }; |
65 | | static const gx_image_enum_procs_t pdf_image_cvd_enum_procs = { |
66 | | gx_image1_plane_data, |
67 | | pdf_image_end_image_cvd, |
68 | | gx_image1_flush |
69 | | }; |
70 | | |
71 | | /* ---------------- Driver procedures ---------------- */ |
72 | | |
73 | | /* Define the structure for keeping track of progress through an image. */ |
74 | | typedef struct pdf_image_enum_s { |
75 | | gx_image_enum_common; |
76 | | int width; |
77 | | int bits_per_pixel; /* bits per pixel (per plane) */ |
78 | | int rows_left; |
79 | | pdf_image_writer writer; |
80 | | gs_matrix mat; |
81 | | gs_color_space_index initial_colorspace; |
82 | | int JPEG_PassThrough; |
83 | | } pdf_image_enum; |
84 | | gs_private_st_composite(st_pdf_image_enum, pdf_image_enum, "pdf_image_enum", |
85 | | pdf_image_enum_enum_ptrs, pdf_image_enum_reloc_ptrs); |
86 | | /* GC procedures */ |
87 | 0 | static ENUM_PTRS_WITH(pdf_image_enum_enum_ptrs, pdf_image_enum *pie) |
88 | 0 | if (index < pdf_image_writer_max_ptrs) { |
89 | 0 | gs_ptr_type_t ret = |
90 | 0 | ENUM_USING(st_pdf_image_writer, &pie->writer, sizeof(pie->writer), |
91 | 0 | index); |
92 | |
|
93 | 0 | if (ret == 0) /* don't stop early */ |
94 | 0 | ENUM_RETURN(0); |
95 | 0 | return ret; |
96 | 0 | } |
97 | 0 | return ENUM_USING_PREFIX(st_gx_image_enum_common, |
98 | 0 | pdf_image_writer_max_ptrs); |
99 | 0 | ENUM_PTRS_END |
100 | 0 | static RELOC_PTRS_WITH(pdf_image_enum_reloc_ptrs, pdf_image_enum *pie) |
101 | 0 | { |
102 | 0 | RELOC_USING(st_pdf_image_writer, &pie->writer, sizeof(pie->writer)); |
103 | 0 | RELOC_USING(st_gx_image_enum_common, vptr, size); |
104 | 0 | } |
105 | 0 | RELOC_PTRS_END |
106 | | |
107 | | /* |
108 | | * Test whether we can write an image in-line. This is always true, |
109 | | * because we only support PDF 1.2 and later. |
110 | | */ |
111 | | static bool |
112 | | can_write_image_in_line(const gx_device_pdf *pdev, const gs_image_t *pim) |
113 | 0 | { |
114 | 0 | return true; |
115 | 0 | } |
116 | | |
117 | | /* |
118 | | * Convert a Type 4 image to a Type 1 masked image if possible. |
119 | | * Type 1 masked images are more compact, and are supported in all PDF |
120 | | * versions, whereas general masked images require PDF 1.3 or higher. |
121 | | * Also, Acrobat 5 for Windows has a bug that causes an error for images |
122 | | * with a color-key mask, at least for 1-bit-deep images using an Indexed |
123 | | * color space. |
124 | | */ |
125 | | static int |
126 | | color_is_black_or_white(gx_device *dev, const gx_drawing_color *pdcolor) |
127 | 0 | { |
128 | 0 | return (!color_is_pure(pdcolor) ? -1 : |
129 | 0 | gx_dc_pure_color(pdcolor) == gx_device_black(dev) ? 0 : |
130 | 0 | gx_dc_pure_color(pdcolor) == gx_device_white(dev) ? 1 : -1); |
131 | 0 | } |
132 | | static int |
133 | | pdf_convert_image4_to_image1(gx_device_pdf *pdev, |
134 | | const gs_gstate *pgs, |
135 | | const gx_drawing_color *pbcolor, |
136 | | const gs_image4_t *pim4, gs_image_t *pim1, |
137 | | gx_drawing_color *pdcolor) |
138 | 0 | { |
139 | 0 | if (pim4->BitsPerComponent == 1 && |
140 | 0 | pim4->ColorSpace->type->num_components(pim4->ColorSpace) == 1 && |
141 | 0 | (pim4->MaskColor_is_range ? |
142 | 0 | pim4->MaskColor[0] | pim4->MaskColor[1] : |
143 | 0 | pim4->MaskColor[0]) <= 1 |
144 | 0 | ) { |
145 | 0 | gx_device *const dev = (gx_device *)pdev; |
146 | 0 | const gs_color_space *pcs = pim4->ColorSpace; |
147 | 0 | bool write_1s = !pim4->MaskColor[0]; |
148 | 0 | gs_client_color cc; |
149 | 0 | int code; |
150 | | |
151 | | /* |
152 | | * Prepare the drawing color. (pdf_prepare_imagemask will set it.) |
153 | | * This is the other color in the image (the one that isn't the |
154 | | * mask key), taking Decode into account. |
155 | | */ |
156 | |
|
157 | 0 | cc.paint.values[0] = pim4->Decode[(int)write_1s]; |
158 | 0 | cc.pattern = 0; |
159 | 0 | code = pcs->type->remap_color(&cc, pcs, pdcolor, pgs, dev, |
160 | 0 | gs_color_select_texture); |
161 | 0 | if (code < 0) |
162 | 0 | return code; |
163 | | |
164 | | /* |
165 | | * The PDF imaging model doesn't support RasterOp. We can convert a |
166 | | * Type 4 image to a Type 1 imagemask only if the effective RasterOp |
167 | | * passes through the source color unchanged. "Effective" means we |
168 | | * take into account CombineWithColor, and whether the source and/or |
169 | | * texture are black, white, or neither. |
170 | | */ |
171 | 0 | { |
172 | 0 | gs_logical_operation_t lop = pgs->log_op; |
173 | 0 | int black_or_white = color_is_black_or_white(dev, pdcolor); |
174 | |
|
175 | 0 | lop = lop_sanitize(lop); |
176 | |
|
177 | 0 | switch (black_or_white) { |
178 | 0 | case 0: lop = lop_know_S_0(lop); break; |
179 | 0 | case 1: lop = lop_know_S_1(lop); break; |
180 | 0 | default: DO_NOTHING; |
181 | 0 | } |
182 | 0 | if (pim4->CombineWithColor) |
183 | 0 | switch (color_is_black_or_white(dev, pbcolor)) { |
184 | 0 | case 0: lop = lop_know_T_0(lop); break; |
185 | 0 | case 1: lop = lop_know_T_1(lop); break; |
186 | 0 | default: DO_NOTHING; |
187 | 0 | } |
188 | 0 | else |
189 | 0 | lop = lop_know_T_0(lop); |
190 | 0 | switch (lop_rop(lop)) { |
191 | 0 | case rop3_0: |
192 | 0 | if (black_or_white != 0) |
193 | 0 | return -1; |
194 | 0 | break; |
195 | 0 | case rop3_1: |
196 | 0 | if (black_or_white != 1) |
197 | 0 | return -1; |
198 | 0 | break; |
199 | 0 | case rop3_S: |
200 | 0 | break; |
201 | 0 | default: |
202 | 0 | return -1; |
203 | 0 | } |
204 | 0 | } |
205 | | |
206 | | /* All conditions are met. Convert to a masked image. */ |
207 | | |
208 | 0 | gs_image_t_init_mask_adjust(pim1, write_1s, false); |
209 | 0 | #define COPY_ELEMENT(e) pim1->e = pim4->e |
210 | 0 | COPY_ELEMENT(ImageMatrix); |
211 | 0 | COPY_ELEMENT(Width); |
212 | 0 | COPY_ELEMENT(Height); |
213 | 0 | pim1->BitsPerComponent = 1; |
214 | | /* not Decode */ |
215 | 0 | COPY_ELEMENT(Interpolate); |
216 | 0 | pim1->format = gs_image_format_chunky; /* BPC = 1, doesn't matter */ |
217 | 0 | #undef COPY_ELEMENT |
218 | 0 | return 0; |
219 | 0 | } |
220 | 0 | return -1; /* arbitrary <0 */ |
221 | 0 | } |
222 | | |
223 | | static int |
224 | | pdf_begin_image_data_decoded(gx_device_pdf *pdev, int num_components, const gs_range_t *pranges, int i, |
225 | | gs_pixel_image_t *pi, cos_value_t *cs_value, pdf_image_enum *pie) |
226 | 0 | { |
227 | |
|
228 | 0 | if (pranges) { |
229 | | /* Rescale the Decode values for the image data. */ |
230 | 0 | const gs_range_t *pr = pranges; |
231 | 0 | float *decode = pi->Decode; |
232 | 0 | int j; |
233 | |
|
234 | 0 | for (j = 0; j < num_components; ++j, ++pr, decode += 2) { |
235 | 0 | double vmin = decode[0], vmax = decode[1]; |
236 | 0 | double base = pr->rmin, factor = pr->rmax - base; |
237 | |
|
238 | 0 | decode[1] = (vmax - vmin) / factor + (vmin - base); |
239 | 0 | decode[0] = vmin - base; |
240 | 0 | } |
241 | 0 | } |
242 | 0 | return pdf_begin_image_data(pdev, &pie->writer, pi, cs_value, i); |
243 | 0 | } |
244 | | |
245 | | static int |
246 | | make_device_color_space(gx_device_pdf *pdev, |
247 | | gs_color_space_index output_cspace_index, |
248 | | gs_color_space **ppcs) |
249 | 0 | { |
250 | 0 | gs_color_space *cs; |
251 | 0 | gs_memory_t *mem = pdev->v_memory; |
252 | |
|
253 | 0 | switch (output_cspace_index) { |
254 | 0 | case gs_color_space_index_DeviceGray: |
255 | 0 | cs = gs_cspace_new_DeviceGray(mem); |
256 | 0 | break; |
257 | 0 | case gs_color_space_index_DeviceRGB: |
258 | 0 | cs = gs_cspace_new_DeviceRGB(mem); |
259 | 0 | break; |
260 | 0 | case gs_color_space_index_DeviceCMYK: |
261 | 0 | cs = gs_cspace_new_DeviceCMYK(mem); |
262 | 0 | break; |
263 | 0 | default: |
264 | | /* Notify the user and terminate. |
265 | | Don't emit rangecheck becuause it would fall back |
266 | | to a default implementation (rasterisation). |
267 | | */ |
268 | 0 | emprintf(mem, "Unsupported ProcessColorModel"); |
269 | 0 | return_error(gs_error_undefined); |
270 | 0 | } |
271 | | |
272 | 0 | if (cs == NULL) |
273 | 0 | return_error(gs_error_VMerror); |
274 | | |
275 | 0 | *ppcs = cs; |
276 | 0 | return 0; |
277 | 0 | } |
278 | | |
279 | | /* |
280 | | * Start processing an image. This procedure takes extra arguments because |
281 | | * it has to do something slightly different for the parts of an ImageType 3 |
282 | | * image. |
283 | | */ |
284 | | typedef enum { |
285 | | PDF_IMAGE_DEFAULT, |
286 | | PDF_IMAGE_TYPE3_MASK, /* no in-line, don't render */ |
287 | | PDF_IMAGE_TYPE3_DATA /* no in-line */ |
288 | | } pdf_typed_image_context_t; |
289 | | |
290 | | /* |
291 | | * We define this union because psdf_setup_image_filters may alter the |
292 | | * gs_pixel_image_t part, but pdf_begin_image_data must also have access |
293 | | * to the type-specific parameters. |
294 | | */ |
295 | | typedef union image_union_s { |
296 | | gs_pixel_image_t pixel; /* we may change some components */ |
297 | | gs_image1_t type1; |
298 | | gs_image3_t type3; |
299 | | gs_image3x_t type3x; |
300 | | gs_image4_t type4; |
301 | | } image_union_t; |
302 | | |
303 | | static int pdf_begin_typed_image(gx_device_pdf *pdev, |
304 | | const gs_gstate * pgs, const gs_matrix *pmat, |
305 | | const gs_image_common_t *pic, const gs_int_rect * prect, |
306 | | const gx_drawing_color * pdcolor, const gx_clip_path * pcpath, |
307 | | gs_memory_t * mem, gx_image_enum_common_t ** pinfo, |
308 | | pdf_typed_image_context_t context); |
309 | | |
310 | | static int setup_type1_image(gx_device_pdf *pdev, const gs_image_common_t *pic, |
311 | | const gx_drawing_color * pdcolor, image_union_t *image, |
312 | | pdf_typed_image_context_t context) |
313 | 0 | { |
314 | 0 | const gs_image_t *pim1 = (const gs_image_t *)pic; |
315 | |
|
316 | 0 | if (pim1->Alpha != gs_image_alpha_none) |
317 | 0 | return -1; |
318 | 0 | if (pim1->ImageMask) { |
319 | | /* If parameters are invalid, use the fallback implementation. */ |
320 | 0 | if (!(gx_dc_is_pattern1_color(pdcolor))) |
321 | 0 | if (pim1->BitsPerComponent != 1 || |
322 | 0 | !((pim1->Decode[0] == 0.0 && pim1->Decode[1] == 1.0) || |
323 | 0 | (pim1->Decode[0] == 1.0 && pim1->Decode[1] == 0.0)) |
324 | 0 | ) |
325 | 0 | return -1; |
326 | 0 | } |
327 | 0 | image[0].type1 = *pim1; |
328 | | /* If we can write in-line then make it so */ |
329 | 0 | return (context == PDF_IMAGE_DEFAULT && |
330 | 0 | can_write_image_in_line(pdev, pim1)); |
331 | 0 | } |
332 | | |
333 | | static int setup_type3_image(gx_device_pdf *pdev, const gs_gstate * pgs, |
334 | | const gs_matrix *pmat, const gs_image_common_t *pic, |
335 | | const gs_int_rect * prect, |
336 | | const gx_drawing_color * pdcolor, |
337 | | const gx_clip_path * pcpath, gs_memory_t * mem, |
338 | | gx_image_enum_common_t ** pinfo, |
339 | | image_union_t *image) |
340 | 0 | { |
341 | 0 | const gs_image3_t *pim3 = (const gs_image3_t *)pic; |
342 | 0 | gs_image3_t pim3a; |
343 | 0 | const gs_image_common_t *pic1 = pic; |
344 | 0 | gs_matrix m, mi; |
345 | 0 | const gs_matrix *pmat1 = pmat; |
346 | 0 | int code; |
347 | |
|
348 | 0 | if (pdev->CompatibilityLevel < 1.3 && !pdev->PatternImagemask) { |
349 | 0 | code = pdf_check_soft_mask(pdev, (gs_gstate *)pgs); |
350 | 0 | if (code < 0) |
351 | 0 | return code; |
352 | 0 | if (pdf_must_put_clip_path(pdev, pcpath)) |
353 | 0 | code = pdf_unclip(pdev); |
354 | 0 | else |
355 | 0 | code = pdf_open_page(pdev, PDF_IN_STREAM); |
356 | 0 | if (code < 0) |
357 | 0 | return code; |
358 | 0 | code = pdf_put_clip_path(pdev, pcpath); |
359 | 0 | if (code < 0) |
360 | 0 | return code; |
361 | 0 | gs_make_identity(&m); |
362 | 0 | pmat1 = &m; |
363 | 0 | m.tx = floor(pgs->ctm.tx + 0.5); /* Round the origin against the image size distorsions */ |
364 | 0 | m.ty = floor(pgs->ctm.ty + 0.5); |
365 | 0 | pim3a = *pim3; |
366 | 0 | code = gs_matrix_invert(&pim3a.ImageMatrix, &mi); |
367 | 0 | if (code < 0) |
368 | 0 | return code; |
369 | 0 | gs_make_identity(&pim3a.ImageMatrix); |
370 | 0 | if (pim3a.Width < pim3a.MaskDict.Width && pim3a.Width > 0) { |
371 | 0 | int sx = (pim3a.MaskDict.Width + pim3a.Width - 1) / pim3a.Width; |
372 | |
|
373 | 0 | gs_matrix_scale(&mi, 1.0 / sx, 1, &mi); |
374 | 0 | gs_matrix_scale(&pim3a.ImageMatrix, 1.0 / sx, 1, &pim3a.ImageMatrix); |
375 | 0 | } |
376 | 0 | if (pim3a.Height < pim3a.MaskDict.Height && pim3a.Height > 0) { |
377 | 0 | int sy = (pim3a.MaskDict.Height + pim3a.Height - 1) / pim3a.Height; |
378 | |
|
379 | 0 | gs_matrix_scale(&mi, 1, 1.0 / sy, &mi); |
380 | 0 | gs_matrix_scale(&pim3a.ImageMatrix, 1, 1.0 / sy, &pim3a.ImageMatrix); |
381 | 0 | } |
382 | 0 | gs_matrix_multiply(&mi, &pim3a.MaskDict.ImageMatrix, &pim3a.MaskDict.ImageMatrix); |
383 | 0 | pic1 = (gs_image_common_t *)&pim3a; |
384 | | /* Setting pdev->converting_image_matrix to communicate with pdf_image3_make_mcde. */ |
385 | 0 | gs_matrix_multiply(&mi, &ctm_only(pgs), &pdev->converting_image_matrix); |
386 | 0 | } |
387 | | /* |
388 | | * We handle ImageType 3 images in a completely different way: |
389 | | * the default implementation sets up the enumerator. |
390 | | */ |
391 | 0 | return gx_begin_image3_generic((gx_device *)pdev, pgs, pmat1, pic1, |
392 | 0 | prect, pdcolor, pcpath, mem, |
393 | 0 | pdf_image3_make_mid, |
394 | 0 | pdf_image3_make_mcde, pinfo); |
395 | 0 | } |
396 | | |
397 | | static int convert_type4_image(gx_device_pdf *pdev, const gs_gstate * pgs, |
398 | | const gs_matrix *pmat, const gs_image_common_t *pic, |
399 | | const gs_int_rect * prect, |
400 | | const gx_drawing_color * pdcolor, |
401 | | const gx_clip_path * pcpath, gs_memory_t * mem, |
402 | | gx_image_enum_common_t ** pinfo, |
403 | | pdf_typed_image_context_t context, image_union_t *image, |
404 | | cos_dict_t *pnamed) |
405 | 0 | { |
406 | | /* Try to convert the image to a plain masked image. */ |
407 | 0 | gx_drawing_color icolor; |
408 | 0 | int code; |
409 | |
|
410 | 0 | pdev->image_mask_is_SMask = false; |
411 | 0 | if (pdf_convert_image4_to_image1(pdev, pgs, pdcolor, |
412 | 0 | (const gs_image4_t *)pic, |
413 | 0 | &image[0].type1, &icolor) >= 0) { |
414 | 0 | if (pgs == NULL) |
415 | 0 | return_error(gs_error_unregistered); /* Must not happen. */ |
416 | | |
417 | | /* Undo the pop of the NI stack if necessary. */ |
418 | 0 | if (pnamed) |
419 | 0 | cos_array_add_object(pdev->NI_stack, COS_OBJECT(pnamed)); |
420 | | /* HACK: temporary patch the color space, to allow |
421 | | pdf_prepare_imagemask to write the right color for the imagemask. */ |
422 | 0 | code = gs_gsave((gs_gstate *)pgs); |
423 | 0 | if (code < 0) |
424 | 0 | return code; |
425 | | /* {csrc}: const cast warning */ |
426 | 0 | code = gs_setcolorspace((gs_gstate *)pgs, ((const gs_image4_t *)pic)->ColorSpace); |
427 | 0 | if (code < 0) |
428 | 0 | return code; |
429 | 0 | code = pdf_begin_typed_image(pdev, pgs, pmat, |
430 | 0 | (gs_image_common_t *)&image[0].type1, |
431 | 0 | prect, &icolor, pcpath, mem, |
432 | 0 | pinfo, context); |
433 | 0 | if (code < 0) |
434 | 0 | return code; |
435 | 0 | return gs_grestore((gs_gstate *)pgs); |
436 | 0 | } |
437 | 0 | return 1; |
438 | 0 | } |
439 | | |
440 | | static int convert_type4_to_masked_image(gx_device_pdf *pdev, const gs_gstate * pgs, |
441 | | const gs_image_common_t *pic, |
442 | | const gs_int_rect * prect, |
443 | | const gx_drawing_color * pdcolor, |
444 | | const gx_clip_path * pcpath, gs_memory_t * mem, |
445 | | gx_image_enum_common_t ** pinfo) |
446 | 0 | { |
447 | 0 | gs_matrix m, m1, mi; |
448 | 0 | gs_image4_t pi4 = *(const gs_image4_t *)pic; |
449 | 0 | int code; |
450 | 0 | pdf_lcvd_t *cvd = NULL; |
451 | |
|
452 | 0 | code = pdf_check_soft_mask(pdev, (gs_gstate *)pgs); |
453 | 0 | if (code < 0) |
454 | 0 | return code; |
455 | 0 | if (pdf_must_put_clip_path(pdev, pcpath)) |
456 | 0 | code = pdf_unclip(pdev); |
457 | 0 | else |
458 | 0 | code = pdf_open_page(pdev, PDF_IN_STREAM); |
459 | 0 | if (code < 0) |
460 | 0 | return code; |
461 | 0 | code = pdf_put_clip_path(pdev, pcpath); |
462 | 0 | if (code < 0) |
463 | 0 | return code; |
464 | 0 | gs_make_identity(&m1); |
465 | 0 | code = gs_matrix_invert(&pic->ImageMatrix, &mi); |
466 | 0 | if (code < 0) |
467 | 0 | return code; |
468 | 0 | gs_matrix_multiply(&mi, &ctm_only(pgs), &m); |
469 | 0 | code = pdf_setup_masked_image_converter(pdev, mem, &m, &cvd, |
470 | 0 | true, 0, 0, pi4.Width, pi4.Height, false); |
471 | 0 | if (code < 0) |
472 | 0 | return code; |
473 | 0 | cvd->mdev.is_open = true; /* fixme: same as above. */ |
474 | 0 | cvd->mask->is_open = true; /* fixme: same as above. */ |
475 | 0 | cvd->mask_is_empty = false; |
476 | 0 | code = (*dev_proc(cvd->mask, fill_rectangle))((gx_device *)cvd->mask, |
477 | 0 | 0, 0, cvd->mask->width, cvd->mask->height, (gx_color_index)0); |
478 | 0 | if (code < 0) |
479 | 0 | return code; |
480 | 0 | gx_device_retain((gx_device *)cvd, true); |
481 | 0 | gx_device_retain((gx_device *)cvd->mask, true); |
482 | 0 | gs_make_identity(&pi4.ImageMatrix); |
483 | 0 | code = gx_default_begin_typed_image((gx_device *)cvd, |
484 | 0 | pgs, &m1, (gs_image_common_t *)&pi4, prect, pdcolor, NULL, mem, pinfo); |
485 | 0 | if (code < 0) |
486 | 0 | return code; |
487 | 0 | (*pinfo)->procs = &pdf_image_cvd_enum_procs; |
488 | 0 | return 0; |
489 | 0 | } |
490 | | |
491 | | static int setup_image_process_colorspace(gx_device_pdf *pdev, image_union_t *image, gs_color_space **pcs_orig, |
492 | | const char *sname, cos_value_t *cs_value) |
493 | 0 | { |
494 | 0 | int code; |
495 | 0 | gs_color_space *pcs_device = NULL; |
496 | |
|
497 | 0 | cos_c_string_value(cs_value, sname); |
498 | 0 | *pcs_orig = image->pixel.ColorSpace; |
499 | 0 | code = make_device_color_space(pdev, pdev->pcm_color_info_index, &pcs_device); |
500 | 0 | if (code < 0) |
501 | 0 | return code; |
502 | 0 | image->pixel.ColorSpace = pcs_device; |
503 | 0 | return 0; |
504 | 0 | } |
505 | | |
506 | | /* 0 = write unchanged |
507 | | 1 = convert to process |
508 | | 2 = write as ICC |
509 | | 3 = convert base space (Separation) |
510 | | 4 = convert base space (DeviceN) |
511 | | */ |
512 | | static int setup_image_colorspace(gx_device_pdf *pdev, image_union_t *image, const gs_color_space *pcs, gs_color_space **pcs_orig, |
513 | | const pdf_color_space_names_t *names, cos_value_t *cs_value) |
514 | 0 | { |
515 | 0 | int code=0; |
516 | 0 | gs_color_space_index csi; |
517 | 0 | gs_color_space_index csi2; |
518 | 0 | const gs_color_space *pcs2 = pcs; |
519 | |
|
520 | 0 | csi = csi2 = gs_color_space_get_index(pcs); |
521 | 0 | if (csi == gs_color_space_index_ICC) { |
522 | 0 | csi2 = gsicc_get_default_type(pcs->cmm_icc_profile_data); |
523 | 0 | } |
524 | | /* Figure out what to do if we are outputting to really ancient versions of PDF */ |
525 | | /* NB ps2write sets CompatibilityLevel to 1.2 so we cater for it here */ |
526 | 0 | if (pdev->CompatibilityLevel <= 1.2) { |
527 | | |
528 | | /* If we have an /Indexed space, we need to look at the base space */ |
529 | 0 | if (csi2 == gs_color_space_index_Indexed) { |
530 | 0 | pcs2 = pcs->base_space; |
531 | 0 | csi2 = gs_color_space_get_index(pcs2); |
532 | 0 | } |
533 | |
|
534 | 0 | switch (csi2) { |
535 | 0 | case gs_color_space_index_DeviceGray: |
536 | 0 | if (pdev->params.ColorConversionStrategy == ccs_LeaveColorUnchanged || |
537 | 0 | pdev->params.ColorConversionStrategy == ccs_Gray) { |
538 | 0 | return 0; |
539 | 0 | } |
540 | 0 | else { |
541 | 0 | code = setup_image_process_colorspace(pdev, image, pcs_orig, names->DeviceGray, cs_value); |
542 | 0 | if (code < 0) |
543 | 0 | return code; |
544 | 0 | return 1; |
545 | 0 | } |
546 | 0 | break; |
547 | 0 | case gs_color_space_index_DeviceRGB: |
548 | 0 | if (pdev->params.ColorConversionStrategy == ccs_LeaveColorUnchanged || |
549 | 0 | pdev->params.ColorConversionStrategy == ccs_RGB || pdev->params.ColorConversionStrategy == ccs_sRGB) |
550 | 0 | return 0; |
551 | 0 | else { |
552 | 0 | code = setup_image_process_colorspace(pdev, image, pcs_orig, names->DeviceRGB, cs_value); |
553 | 0 | if (code < 0) |
554 | 0 | return code; |
555 | 0 | return 1; |
556 | 0 | } |
557 | 0 | break; |
558 | 0 | case gs_color_space_index_DeviceCMYK: |
559 | 0 | if ((pdev->params.ColorConversionStrategy == ccs_LeaveColorUnchanged || |
560 | 0 | pdev->params.ColorConversionStrategy == ccs_CMYK) && !pdev->params.ConvertCMYKImagesToRGB) |
561 | 0 | return 0; |
562 | 0 | else { |
563 | 0 | code = setup_image_process_colorspace(pdev, image, pcs_orig, names->DeviceCMYK, cs_value); |
564 | 0 | if (code < 0) |
565 | 0 | return code; |
566 | 0 | return 1; |
567 | 0 | } |
568 | 0 | break; |
569 | 0 | case gs_color_space_index_CIEA: |
570 | 0 | case gs_color_space_index_CIEABC: |
571 | 0 | case gs_color_space_index_CIEDEF: |
572 | 0 | case gs_color_space_index_CIEDEFG: |
573 | 0 | case gs_color_space_index_Separation: |
574 | 0 | if (pdev->ForOPDFRead) { |
575 | 0 | switch (pdev->params.ColorConversionStrategy) { |
576 | 0 | case ccs_ByObjectType: |
577 | | /* Object type not implemented yet */ |
578 | 0 | case ccs_UseDeviceIndependentColorForImages: |
579 | | /* If only correcting images, then leave unchanged */ |
580 | 0 | case ccs_LeaveColorUnchanged: |
581 | 0 | if (csi2 == gs_color_space_index_Separation) |
582 | 0 | return 0; |
583 | | /* Fall through and convert CIE to the device space */ |
584 | 0 | default: |
585 | 0 | switch (pdev->pcm_color_info_index) { |
586 | 0 | case gs_color_space_index_DeviceGray: |
587 | 0 | code = setup_image_process_colorspace(pdev, image, pcs_orig, names->DeviceGray, cs_value); |
588 | 0 | break; |
589 | 0 | case gs_color_space_index_DeviceRGB: |
590 | 0 | code = setup_image_process_colorspace(pdev, image, pcs_orig, names->DeviceRGB, cs_value); |
591 | 0 | break; |
592 | 0 | case gs_color_space_index_DeviceCMYK: |
593 | 0 | code = setup_image_process_colorspace(pdev, image, pcs_orig, names->DeviceCMYK, cs_value); |
594 | 0 | break; |
595 | 0 | default: |
596 | 0 | emprintf(pdev->memory, "Unsupported ProcessColorModel."); |
597 | 0 | return_error(gs_error_undefined); |
598 | 0 | } |
599 | 0 | if (code < 0) |
600 | 0 | return code; |
601 | 0 | return 1; |
602 | 0 | break; |
603 | 0 | } |
604 | 0 | } |
605 | 0 | else |
606 | 0 | *pcs_orig = (gs_color_space *)pcs; |
607 | 0 | return 1; |
608 | 0 | break; |
609 | | |
610 | 0 | case gs_color_space_index_ICC: |
611 | | /* Note that if csi is ICC, check to see if this was one of |
612 | | the default substitutes that we introduced for DeviceGray, |
613 | | DeviceRGB or DeviceCMYK. If it is, then just write |
614 | | the default color. Depending upon the flavor of PDF, |
615 | | or other options, we may want to actually have all |
616 | | the colors defined by ICC profiles and not do the following |
617 | | substituion of the Device space. */ |
618 | 0 | csi2 = gsicc_get_default_type(pcs2->cmm_icc_profile_data); |
619 | |
|
620 | 0 | switch (csi2) { |
621 | 0 | case gs_color_space_index_DeviceGray: |
622 | 0 | if (pdev->params.ColorConversionStrategy == ccs_Gray || |
623 | 0 | pdev->params.ColorConversionStrategy == ccs_LeaveColorUnchanged) |
624 | 0 | return 0; |
625 | 0 | break; |
626 | 0 | case gs_color_space_index_DeviceRGB: |
627 | 0 | if (pdev->params.ColorConversionStrategy == ccs_RGB || pdev->params.ColorConversionStrategy == ccs_sRGB || |
628 | 0 | pdev->params.ColorConversionStrategy == ccs_LeaveColorUnchanged) |
629 | 0 | return 0; |
630 | 0 | break; |
631 | 0 | case gs_color_space_index_DeviceCMYK: |
632 | 0 | if (pdev->params.ColorConversionStrategy == ccs_CMYK || |
633 | 0 | pdev->params.ColorConversionStrategy == ccs_LeaveColorUnchanged) |
634 | 0 | return 0; |
635 | 0 | break; |
636 | 0 | default: |
637 | 0 | break; |
638 | 0 | } |
639 | | /* Fall through for non-handled cases */ |
640 | 0 | case gs_color_space_index_DeviceN: |
641 | 0 | case gs_color_space_index_DevicePixel: |
642 | 0 | case gs_color_space_index_Indexed: |
643 | 0 | switch (pdev->pcm_color_info_index) { |
644 | 0 | case gs_color_space_index_DeviceGray: |
645 | 0 | code = setup_image_process_colorspace(pdev, image, pcs_orig, names->DeviceGray, cs_value); |
646 | 0 | break; |
647 | 0 | case gs_color_space_index_DeviceRGB: |
648 | 0 | code = setup_image_process_colorspace(pdev, image, pcs_orig, names->DeviceRGB, cs_value); |
649 | 0 | break; |
650 | 0 | case gs_color_space_index_DeviceCMYK: |
651 | 0 | code = setup_image_process_colorspace(pdev, image, pcs_orig, names->DeviceCMYK, cs_value); |
652 | 0 | break; |
653 | 0 | default: |
654 | 0 | emprintf(pdev->memory, "Unsupported ProcessColorModel."); |
655 | 0 | return_error(gs_error_undefined); |
656 | 0 | } |
657 | 0 | if (code < 0) |
658 | 0 | return code; |
659 | 0 | return 1; |
660 | 0 | break; |
661 | 0 | default: |
662 | 0 | return (gs_note_error(gs_error_rangecheck)); |
663 | 0 | break; |
664 | 0 | } |
665 | 0 | } else { |
666 | 0 | int strategy = pdev->params.ColorConversionStrategy; |
667 | |
|
668 | 0 | if (pdev->params.TransferFunctionInfo == tfi_Apply && pdev->transfer_not_identity && csi2 == gs_color_space_index_Indexed) { |
669 | 0 | csi = gs_color_space_get_index(pcs->base_space); |
670 | 0 | if (csi == gs_color_space_index_ICC) { |
671 | 0 | csi = gsicc_get_default_type(pcs->base_space->cmm_icc_profile_data); |
672 | 0 | } |
673 | | /* If its still not a base space, make it the ProcessCOlorModel of the device */ |
674 | 0 | if (csi > gs_color_space_index_DeviceCMYK) |
675 | 0 | csi = pdev->pcm_color_info_index; |
676 | 0 | switch(csi) { |
677 | 0 | case gs_color_space_index_DeviceGray: |
678 | 0 | strategy = ccs_Gray; |
679 | 0 | break; |
680 | 0 | case gs_color_space_index_DeviceRGB: |
681 | 0 | strategy = ccs_RGB; |
682 | 0 | break; |
683 | 0 | case gs_color_space_index_DeviceCMYK: |
684 | 0 | strategy = ccs_CMYK; |
685 | 0 | break; |
686 | 0 | default: |
687 | 0 | break; |
688 | 0 | } |
689 | 0 | } |
690 | | |
691 | 0 | switch(strategy) { |
692 | 0 | case ccs_ByObjectType: |
693 | | /* Object type not implemented yet */ |
694 | 0 | case ccs_UseDeviceIndependentColorForImages: |
695 | | /* If only correcting images, then leave unchanged */ |
696 | 0 | case ccs_LeaveColorUnchanged: |
697 | 0 | return 0; |
698 | 0 | break; |
699 | 0 | case ccs_UseDeviceIndependentColor: |
700 | 0 | return 2; |
701 | 0 | break; |
702 | 0 | case ccs_CMYK: |
703 | 0 | switch(csi2) { |
704 | 0 | case gs_color_space_index_DeviceGray: |
705 | 0 | case gs_color_space_index_DeviceCMYK: |
706 | 0 | return 0; |
707 | 0 | break; |
708 | 0 | case gs_color_space_index_Separation: |
709 | 0 | pcs2 = pcs; |
710 | 0 | while (pcs2->base_space) |
711 | 0 | pcs2 = pcs2->base_space; |
712 | 0 | csi = gs_color_space_get_index(pcs2); |
713 | 0 | if (csi == gs_color_space_index_ICC) |
714 | 0 | csi = gsicc_get_default_type(pcs2->cmm_icc_profile_data); |
715 | 0 | if (csi == gs_color_space_index_DeviceCMYK) |
716 | 0 | return 0; |
717 | 0 | else |
718 | 0 | return 3; |
719 | 0 | break; |
720 | 0 | case gs_color_space_index_DeviceN: |
721 | 0 | pcs2 = pcs; |
722 | 0 | while (pcs2->base_space) |
723 | 0 | pcs2 = pcs2->base_space; |
724 | 0 | csi = gs_color_space_get_index(pcs2); |
725 | 0 | if (csi == gs_color_space_index_ICC) |
726 | 0 | csi = gsicc_get_default_type(pcs2->cmm_icc_profile_data); |
727 | 0 | if (csi == gs_color_space_index_DeviceCMYK) |
728 | 0 | return 0; |
729 | 0 | else |
730 | 0 | return 4; |
731 | 0 | break; |
732 | 0 | case gs_color_space_index_Indexed: |
733 | 0 | pcs2 = pcs->base_space; |
734 | 0 | csi = gs_color_space_get_index(pcs2); |
735 | 0 | if (csi == gs_color_space_index_ICC) |
736 | 0 | csi = gsicc_get_default_type(pcs2->cmm_icc_profile_data); |
737 | 0 | switch(csi) { |
738 | 0 | case gs_color_space_index_DeviceGray: |
739 | 0 | case gs_color_space_index_DeviceCMYK: |
740 | 0 | return 0; |
741 | 0 | break; |
742 | 0 | case gs_color_space_index_Separation: |
743 | 0 | pcs2 = pcs; |
744 | 0 | while (pcs2->base_space) |
745 | 0 | pcs2 = pcs2->base_space; |
746 | 0 | csi = gs_color_space_get_index(pcs2); |
747 | 0 | if (csi == gs_color_space_index_ICC) |
748 | 0 | csi = gsicc_get_default_type(pcs2->cmm_icc_profile_data); |
749 | 0 | if (csi == gs_color_space_index_DeviceCMYK) |
750 | 0 | return 0; |
751 | 0 | else |
752 | 0 | return 3; |
753 | 0 | break; |
754 | 0 | case gs_color_space_index_DeviceN: |
755 | 0 | pcs2 = pcs; |
756 | 0 | while (pcs2->base_space) |
757 | 0 | pcs2 = pcs2->base_space; |
758 | 0 | csi = gs_color_space_get_index(pcs2); |
759 | 0 | if (csi == gs_color_space_index_ICC) |
760 | 0 | csi = gsicc_get_default_type(pcs2->cmm_icc_profile_data); |
761 | 0 | if (csi == gs_color_space_index_DeviceCMYK) |
762 | 0 | return 0; |
763 | 0 | else |
764 | 0 | return 4; |
765 | 0 | break; |
766 | 0 | default: |
767 | 0 | switch (pdev->pcm_color_info_index) { |
768 | 0 | case gs_color_space_index_DeviceGray: |
769 | 0 | code = setup_image_process_colorspace(pdev, image, pcs_orig, names->DeviceGray, cs_value); |
770 | 0 | break; |
771 | 0 | case gs_color_space_index_DeviceRGB: |
772 | 0 | code = setup_image_process_colorspace(pdev, image, pcs_orig, names->DeviceRGB, cs_value); |
773 | 0 | break; |
774 | 0 | case gs_color_space_index_DeviceCMYK: |
775 | 0 | code = setup_image_process_colorspace(pdev, image, pcs_orig, names->DeviceCMYK, cs_value); |
776 | 0 | break; |
777 | 0 | default: |
778 | 0 | emprintf(pdev->memory, "Unsupported ProcessColorModel."); |
779 | 0 | return_error(gs_error_undefined); |
780 | 0 | } |
781 | 0 | if (code < 0) |
782 | 0 | return code; |
783 | 0 | return 1; |
784 | 0 | break; |
785 | 0 | } |
786 | 0 | break; |
787 | 0 | default: |
788 | 0 | code = setup_image_process_colorspace(pdev, image, pcs_orig, names->DeviceCMYK, cs_value); |
789 | 0 | if (code < 0) |
790 | 0 | return code; |
791 | 0 | return 1; |
792 | 0 | break; |
793 | 0 | } |
794 | 0 | break; |
795 | 0 | case ccs_Gray: |
796 | 0 | switch(csi2) { |
797 | 0 | case gs_color_space_index_DeviceGray: |
798 | 0 | return 0; |
799 | 0 | break; |
800 | 0 | case gs_color_space_index_Separation: |
801 | 0 | pcs2 = pcs; |
802 | 0 | while (pcs2->base_space) |
803 | 0 | pcs2 = pcs2->base_space; |
804 | 0 | csi = gs_color_space_get_index(pcs2); |
805 | 0 | if (csi == gs_color_space_index_ICC) |
806 | 0 | csi = gsicc_get_default_type(pcs2->cmm_icc_profile_data); |
807 | 0 | if (csi == gs_color_space_index_DeviceGray) |
808 | 0 | return 0; |
809 | 0 | else |
810 | 0 | return 3; |
811 | 0 | break; |
812 | 0 | case gs_color_space_index_DeviceN: |
813 | 0 | pcs2 = pcs; |
814 | 0 | while (pcs2->base_space) |
815 | 0 | pcs2 = pcs2->base_space; |
816 | 0 | csi = gs_color_space_get_index(pcs2); |
817 | 0 | if (csi == gs_color_space_index_ICC) |
818 | 0 | csi = gsicc_get_default_type(pcs2->cmm_icc_profile_data); |
819 | 0 | if (csi == gs_color_space_index_DeviceGray) |
820 | 0 | return 0; |
821 | 0 | else |
822 | 0 | return 4; |
823 | 0 | break; |
824 | 0 | case gs_color_space_index_Indexed: |
825 | 0 | pcs2 = pcs->base_space; |
826 | 0 | csi = gs_color_space_get_index(pcs2); |
827 | 0 | if (csi == gs_color_space_index_ICC) |
828 | 0 | csi = gsicc_get_default_type(pcs2->cmm_icc_profile_data); |
829 | 0 | switch(csi) { |
830 | 0 | case gs_color_space_index_DeviceGray: |
831 | 0 | return 0; |
832 | 0 | break; |
833 | 0 | case gs_color_space_index_Separation: |
834 | 0 | pcs2 = pcs; |
835 | 0 | while (pcs2->base_space) |
836 | 0 | pcs2 = pcs2->base_space; |
837 | 0 | csi = gs_color_space_get_index(pcs2); |
838 | 0 | if (csi == gs_color_space_index_ICC) |
839 | 0 | csi = gsicc_get_default_type(pcs2->cmm_icc_profile_data); |
840 | 0 | if (csi == gs_color_space_index_DeviceGray) |
841 | 0 | return 0; |
842 | 0 | else |
843 | 0 | return 3; |
844 | 0 | break; |
845 | 0 | case gs_color_space_index_DeviceN: |
846 | 0 | pcs2 = pcs; |
847 | 0 | while (pcs2->base_space) |
848 | 0 | pcs2 = pcs2->base_space; |
849 | 0 | csi = gs_color_space_get_index(pcs2); |
850 | 0 | if (csi == gs_color_space_index_ICC) |
851 | 0 | csi = gsicc_get_default_type(pcs2->cmm_icc_profile_data); |
852 | 0 | if (csi == gs_color_space_index_DeviceGray) |
853 | 0 | return 0; |
854 | 0 | else |
855 | 0 | return 4; |
856 | 0 | break; |
857 | 0 | default: |
858 | 0 | code = setup_image_process_colorspace(pdev, image, pcs_orig, names->DeviceGray, cs_value); |
859 | 0 | if (code < 0) |
860 | 0 | return code; |
861 | 0 | return 1; |
862 | 0 | break; |
863 | 0 | } |
864 | 0 | break; |
865 | 0 | default: |
866 | 0 | code = setup_image_process_colorspace(pdev, image, pcs_orig, names->DeviceGray, cs_value); |
867 | 0 | if (code < 0) |
868 | 0 | return code; |
869 | 0 | return 1; |
870 | 0 | break; |
871 | 0 | } |
872 | 0 | break; |
873 | 0 | case ccs_sRGB: |
874 | 0 | case ccs_RGB: |
875 | 0 | switch(csi2) { |
876 | 0 | case gs_color_space_index_DeviceGray: |
877 | 0 | case gs_color_space_index_DeviceRGB: |
878 | 0 | return 0; |
879 | 0 | break; |
880 | 0 | case gs_color_space_index_Separation: |
881 | 0 | pcs2 = pcs; |
882 | 0 | while (pcs2->base_space) |
883 | 0 | pcs2 = pcs2->base_space; |
884 | 0 | csi = gs_color_space_get_index(pcs2); |
885 | 0 | if (csi == gs_color_space_index_ICC) |
886 | 0 | csi = gsicc_get_default_type(pcs2->cmm_icc_profile_data); |
887 | 0 | if (csi == gs_color_space_index_DeviceRGB) |
888 | 0 | return 0; |
889 | 0 | else |
890 | 0 | return 3; |
891 | 0 | break; |
892 | 0 | case gs_color_space_index_DeviceN: |
893 | 0 | pcs2 = pcs; |
894 | 0 | while (pcs2->base_space) |
895 | 0 | pcs2 = pcs2->base_space; |
896 | 0 | csi = gs_color_space_get_index(pcs2); |
897 | 0 | if (csi == gs_color_space_index_ICC) |
898 | 0 | csi = gsicc_get_default_type(pcs2->cmm_icc_profile_data); |
899 | 0 | if (csi == gs_color_space_index_DeviceRGB) |
900 | 0 | return 0; |
901 | 0 | else |
902 | 0 | return 4; |
903 | 0 | break; |
904 | 0 | case gs_color_space_index_Indexed: |
905 | 0 | pcs2 = pcs->base_space; |
906 | 0 | csi = gs_color_space_get_index(pcs2); |
907 | 0 | if (csi == gs_color_space_index_ICC) |
908 | 0 | csi = gsicc_get_default_type(pcs2->cmm_icc_profile_data); |
909 | 0 | switch(csi) { |
910 | 0 | case gs_color_space_index_DeviceGray: |
911 | 0 | case gs_color_space_index_DeviceRGB: |
912 | 0 | return 0; |
913 | 0 | break; |
914 | 0 | case gs_color_space_index_Separation: |
915 | 0 | pcs2 = pcs; |
916 | 0 | while (pcs2->base_space) |
917 | 0 | pcs2 = pcs2->base_space; |
918 | 0 | csi = gs_color_space_get_index(pcs2); |
919 | 0 | if (csi == gs_color_space_index_ICC) |
920 | 0 | csi = gsicc_get_default_type(pcs2->cmm_icc_profile_data); |
921 | 0 | if (csi == gs_color_space_index_DeviceRGB) |
922 | 0 | return 0; |
923 | 0 | else |
924 | 0 | return 3; |
925 | 0 | break; |
926 | 0 | case gs_color_space_index_DeviceN: |
927 | 0 | pcs2 = pcs; |
928 | 0 | while (pcs2->base_space) |
929 | 0 | pcs2 = pcs2->base_space; |
930 | 0 | csi = gs_color_space_get_index(pcs2); |
931 | 0 | if (csi == gs_color_space_index_ICC) |
932 | 0 | csi = gsicc_get_default_type(pcs2->cmm_icc_profile_data); |
933 | 0 | if (csi == gs_color_space_index_DeviceRGB) |
934 | 0 | return 0; |
935 | 0 | else |
936 | 0 | return 4; |
937 | 0 | break; |
938 | 0 | default: |
939 | 0 | code = setup_image_process_colorspace(pdev, image, pcs_orig, names->DeviceRGB, cs_value); |
940 | 0 | if (code < 0) |
941 | 0 | return code; |
942 | 0 | return 1; |
943 | 0 | break; |
944 | 0 | } |
945 | 0 | break; |
946 | 0 | default: |
947 | 0 | code = setup_image_process_colorspace(pdev, image, pcs_orig, names->DeviceRGB, cs_value); |
948 | 0 | if (code < 0) |
949 | 0 | return code; |
950 | 0 | return 1; |
951 | 0 | break; |
952 | 0 | } |
953 | 0 | break; |
954 | 0 | default: |
955 | 0 | break; |
956 | 0 | } |
957 | 0 | } |
958 | 0 | return 0; |
959 | 0 | } |
960 | | |
961 | | static int |
962 | | pdf_begin_typed_image(gx_device_pdf *pdev, const gs_gstate * pgs, |
963 | | const gs_matrix *pmat, const gs_image_common_t *pic, |
964 | | const gs_int_rect * prect, |
965 | | const gx_drawing_color * pdcolor, |
966 | | const gx_clip_path * pcpath, gs_memory_t * mem, |
967 | | gx_image_enum_common_t ** pinfo, |
968 | | pdf_typed_image_context_t context) |
969 | 0 | { |
970 | 0 | int code, i; |
971 | 0 | unsigned int use_fallback = 0, in_line = 0, is_mask = 0, |
972 | 0 | force_lossless = 0, convert_to_process_colors = 0; |
973 | 0 | int width, height; |
974 | 0 | cos_dict_t *pnamed = 0; |
975 | 0 | image_union_t *image; |
976 | 0 | const gs_pixel_image_t *pim; |
977 | 0 | gs_int_rect rect; |
978 | 0 | gs_image_format_t format; |
979 | 0 | gs_color_space *pcs; |
980 | 0 | int num_components; |
981 | 0 | pdf_image_enum *pie; |
982 | 0 | const pdf_color_space_names_t *names; |
983 | 0 | gs_color_space *pcs_orig = NULL; |
984 | 0 | gs_color_space *pcs_device = NULL; |
985 | 0 | cos_value_t cs_value; |
986 | 0 | const gs_range_t *pranges = 0; |
987 | |
|
988 | 0 | image = (image_union_t *)gs_malloc(mem->non_gc_memory, 4, |
989 | 0 | sizeof(image_union_t), "pdf_begin_typed_image(image)"); |
990 | 0 | if (image == 0) |
991 | 0 | return_error(gs_error_VMerror); |
992 | | |
993 | | /* |
994 | | * Pop the image name from the NI stack. We must do this, to keep the |
995 | | * stack in sync, even if it turns out we can't handle the image. |
996 | | */ |
997 | 0 | { |
998 | 0 | cos_value_t ni_value; |
999 | |
|
1000 | 0 | if (cos_array_unadd(pdev->NI_stack, &ni_value) >= 0) |
1001 | 0 | pnamed = (cos_dict_t *)ni_value.contents.object; |
1002 | 0 | } |
1003 | | |
1004 | | /* An initialization for pdf_end_and_do_image : |
1005 | | We need to delay adding the "Mask" entry into a type 3 image dictionary |
1006 | | until the mask is completed due to equal image merging. */ |
1007 | 0 | pdev->image_mask_id = gs_no_id; |
1008 | | |
1009 | | /* Check for the image types we can handle. */ |
1010 | 0 | switch (pic->type->index) { |
1011 | 0 | case 1: |
1012 | 0 | is_mask = ((const gs_image_t *)pic)->ImageMask; |
1013 | 0 | code = setup_type1_image(pdev, pic, pdcolor, image, context); |
1014 | 0 | if (code < 0) { |
1015 | 0 | use_fallback = 1; |
1016 | 0 | } |
1017 | 0 | else |
1018 | 0 | in_line = code; |
1019 | 0 | break; |
1020 | | |
1021 | 0 | case 3: |
1022 | | /* Currently we can't handle images with masks, because we have two |
1023 | | * image enumerators, and the JPEG passthrough is stored at the device |
1024 | | * level, not the enumerator level. This means that when we skip the |
1025 | | * image data (because its handled as JPEG) we also skip the mask data, |
1026 | | * which is no use at all. FIXME: not sure how but if possible I |
1027 | | * should fix this. Probably need to store the PassThrough in the |
1028 | | * enumerator, and then store a pointer to the enumerator in the |
1029 | | * device in place of the flag, so that when we get JPEG data supplied |
1030 | | * we know where to send it. Of course, that won't work if we ever end |
1031 | | * up in the situation where we have two JPEG sources at the same time..... |
1032 | | * That can probably be handled with some judicious work in the DCTDecode |
1033 | | * structure, to hold some reference to the particular stream that |
1034 | | * should get the data. But lets get the simple code working first. |
1035 | | */ |
1036 | 0 | pdev->JPEG_PassThrough = 0; |
1037 | 0 | pdev->image_mask_is_SMask = false; |
1038 | 0 | if (pdev->CompatibilityLevel < 1.2 || |
1039 | 0 | (prect && !(prect->p.x == 0 && prect->p.y == 0 && |
1040 | 0 | prect->q.x == ((const gs_image3_t *)pic)->Width && |
1041 | 0 | prect->q.y == ((const gs_image3_t *)pic)->Height))) { |
1042 | 0 | gs_free(mem->non_gc_memory, image, 4, sizeof(image_union_t), |
1043 | 0 | "pdf_begin_typed_image(image)"); |
1044 | 0 | return (gx_default_begin_typed_image((gx_device *)pdev, pgs, pmat, pic, prect, pdcolor, |
1045 | 0 | pcpath, mem, pinfo)); |
1046 | 0 | } |
1047 | 0 | gs_free(mem->non_gc_memory, image, 4, sizeof(image_union_t), |
1048 | 0 | "pdf_begin_typed_image(image)"); |
1049 | 0 | return (setup_type3_image(pdev, pgs, pmat, pic, prect, pdcolor, pcpath, mem, pinfo, image)); |
1050 | 0 | break; |
1051 | | |
1052 | 0 | case IMAGE3X_IMAGETYPE: |
1053 | 0 | pdev->JPEG_PassThrough = 0; |
1054 | 0 | gs_free(mem->non_gc_memory, image, 4, sizeof(image_union_t), |
1055 | 0 | "pdf_begin_typed_image(image)"); |
1056 | 0 | if (pdev->CompatibilityLevel < 1.4 || |
1057 | 0 | (prect && !(prect->p.x == 0 && prect->p.y == 0 && |
1058 | 0 | prect->q.x == ((const gs_image3x_t *)pic)->Width && |
1059 | 0 | prect->q.y == ((const gs_image3x_t *)pic)->Height))) { |
1060 | 0 | return (gx_default_begin_typed_image((gx_device *)pdev, pgs, pmat, pic, prect, pdcolor, |
1061 | 0 | pcpath, mem, pinfo)); |
1062 | 0 | } |
1063 | 0 | pdev->image_mask_is_SMask = true; |
1064 | 0 | return gx_begin_image3x_generic((gx_device *)pdev, pgs, pmat, pic, |
1065 | 0 | prect, pdcolor, pcpath, mem, |
1066 | 0 | pdf_image3x_make_mid, |
1067 | 0 | pdf_image3x_make_mcde, pinfo); |
1068 | 0 | break; |
1069 | | |
1070 | 0 | case 4: |
1071 | 0 | pdev->JPEG_PassThrough = 0; |
1072 | 0 | code = convert_type4_image(pdev, pgs, pmat, pic, prect, pdcolor, |
1073 | 0 | pcpath, mem, pinfo, context, image, pnamed); |
1074 | 0 | if (code < 0) { |
1075 | 0 | use_fallback = 1; |
1076 | 0 | } |
1077 | 0 | if (code == 0) { |
1078 | 0 | gs_free(mem->non_gc_memory, image, 4, sizeof(image_union_t), |
1079 | 0 | "pdf_begin_typed_image(image)"); |
1080 | 0 | return code; |
1081 | 0 | } |
1082 | | /* No luck. Masked images require PDF 1.3 or higher. */ |
1083 | 0 | if (pdev->CompatibilityLevel < 1.2) { |
1084 | 0 | use_fallback = 1; |
1085 | 0 | } |
1086 | 0 | if (pdev->CompatibilityLevel < 1.3 && !pdev->PatternImagemask) { |
1087 | 0 | gs_free(mem->non_gc_memory, image, 4, sizeof(image_union_t), |
1088 | 0 | "pdf_begin_typed_image(image)"); |
1089 | 0 | return (convert_type4_to_masked_image(pdev, pgs, pic, prect, pdcolor, |
1090 | 0 | pcpath, mem,pinfo)); |
1091 | 0 | } |
1092 | 0 | image[0].type4 = *(const gs_image4_t *)pic; |
1093 | 0 | break; |
1094 | | |
1095 | 0 | default: |
1096 | 0 | use_fallback = 1; |
1097 | 0 | break; |
1098 | 0 | } |
1099 | | |
1100 | 0 | pim = (const gs_pixel_image_t *)pic; |
1101 | 0 | format = pim->format; |
1102 | 0 | switch (format) { |
1103 | 0 | case gs_image_format_chunky: |
1104 | 0 | case gs_image_format_component_planar: |
1105 | 0 | break; |
1106 | 0 | default: |
1107 | 0 | use_fallback = 1; |
1108 | 0 | } |
1109 | | /* AR5 on Windows doesn't support 0-size images. Skipping. */ |
1110 | 0 | if (pim->Width == 0 || pim->Height == 0) |
1111 | 0 | use_fallback = 1; |
1112 | | /* PDF doesn't support images with more than 8 bits per component. */ |
1113 | 0 | switch (pim->BitsPerComponent) { |
1114 | 0 | case 1: |
1115 | 0 | case 2: |
1116 | 0 | case 4: |
1117 | 0 | case 8: |
1118 | 0 | break; |
1119 | 0 | case 12: |
1120 | 0 | case 16: |
1121 | 0 | break; |
1122 | 0 | default: |
1123 | 0 | gs_free(mem->non_gc_memory, image, 4, sizeof(image_union_t), |
1124 | 0 | "pdf_begin_typed_image(image)"); |
1125 | 0 | return_error(gs_error_rangecheck); |
1126 | 0 | } |
1127 | 0 | if (prect) |
1128 | 0 | rect = *prect; |
1129 | 0 | else { |
1130 | 0 | rect.p.x = rect.p.y = 0; |
1131 | 0 | rect.q.x = pim->Width, rect.q.y = pim->Height; |
1132 | 0 | } |
1133 | 0 | if (rect.p.x != 0 || rect.p.y != 0 || |
1134 | 0 | rect.q.x != pim->Width || rect.q.y != pim->Height || |
1135 | 0 | (is_mask && pim->CombineWithColor)) |
1136 | 0 | use_fallback = 1; |
1137 | |
|
1138 | 0 | if (pdev->Eps2Write) { |
1139 | 0 | gs_rect sbox, dbox, *Box; |
1140 | 0 | gs_point corners[4]; |
1141 | 0 | gs_fixed_rect ibox; |
1142 | 0 | gs_matrix * pmat1 = (gs_matrix *)pmat; |
1143 | 0 | gs_matrix mat; |
1144 | |
|
1145 | 0 | if (!pdev->accumulating_charproc) |
1146 | 0 | Box = &pdev->BBox; |
1147 | 0 | else |
1148 | 0 | Box = &pdev->charproc_BBox; |
1149 | 0 | if (pmat1 == 0) |
1150 | 0 | pmat1 = (gs_matrix *)&ctm_only(pgs); |
1151 | 0 | if ((code = gs_matrix_invert(&pic->ImageMatrix, &mat)) < 0 || |
1152 | 0 | (code = gs_matrix_multiply(&mat, pmat1, &mat)) < 0) |
1153 | 0 | return code; |
1154 | 0 | sbox.p.x = rect.p.x; |
1155 | 0 | sbox.p.y = rect.p.y; |
1156 | 0 | sbox.q.x = rect.q.x; |
1157 | 0 | sbox.q.y = rect.q.y; |
1158 | 0 | gs_bbox_transform_only(&sbox, &mat, corners); |
1159 | 0 | gs_points_bbox(corners, &dbox); |
1160 | 0 | ibox.p.x = float2fixed(dbox.p.x); |
1161 | 0 | ibox.p.y = float2fixed(dbox.p.y); |
1162 | 0 | ibox.q.x = float2fixed(dbox.q.x); |
1163 | 0 | ibox.q.y = float2fixed(dbox.q.y); |
1164 | 0 | if (pcpath != NULL && |
1165 | 0 | !gx_cpath_includes_rectangle(pcpath, ibox.p.x, ibox.p.y, |
1166 | 0 | ibox.q.x, ibox.q.y) |
1167 | 0 | ) { |
1168 | | /* Let the target do the drawing, but drive two triangles */ |
1169 | | /* through the clipping path to get an accurate bounding box. */ |
1170 | 0 | gx_device_clip cdev; |
1171 | 0 | gx_drawing_color devc; |
1172 | |
|
1173 | 0 | fixed x0 = float2fixed(corners[0].x), y0 = float2fixed(corners[0].y); |
1174 | 0 | fixed bx2 = float2fixed(corners[2].x) - x0, by2 = float2fixed(corners[2].y) - y0; |
1175 | |
|
1176 | 0 | pdev->AccumulatingBBox++; |
1177 | 0 | gx_make_clip_device_on_stack(&cdev, pcpath, (gx_device *)pdev); |
1178 | 0 | set_nonclient_dev_color(&devc, gx_device_black((gx_device *)pdev)); /* any non-white color will do */ |
1179 | 0 | gx_default_fill_triangle((gx_device *) & cdev, x0, y0, |
1180 | 0 | float2fixed(corners[1].x) - x0, |
1181 | 0 | float2fixed(corners[1].y) - y0, |
1182 | 0 | bx2, by2, &devc, lop_default); |
1183 | 0 | gx_default_fill_triangle((gx_device *) & cdev, x0, y0, |
1184 | 0 | float2fixed(corners[3].x) - x0, |
1185 | 0 | float2fixed(corners[3].y) - y0, |
1186 | 0 | bx2, by2, &devc, lop_default); |
1187 | 0 | pdev->AccumulatingBBox--; |
1188 | 0 | } else { |
1189 | | /* Just use the bounding box. */ |
1190 | 0 | float x0, y0, x1, y1; |
1191 | 0 | x0 = fixed2float(ibox.p.x) / (pdev->HWResolution[0] / 72.0); |
1192 | 0 | y0 = fixed2float(ibox.p.y) / (pdev->HWResolution[1] / 72.0); |
1193 | 0 | x1 = fixed2float(ibox.q.x) / (pdev->HWResolution[0] / 72.0); |
1194 | 0 | y1 = fixed2float(ibox.q.y) / (pdev->HWResolution[1] / 72.0); |
1195 | 0 | if (Box->p.x > x0) |
1196 | 0 | Box->p.x = x0; |
1197 | 0 | if (Box->p.y > y0) |
1198 | 0 | Box->p.y = y0; |
1199 | 0 | if (Box->q.x < x1) |
1200 | 0 | Box->q.x = x1; |
1201 | 0 | if (Box->q.y < y1) |
1202 | 0 | Box->q.y = y1; |
1203 | 0 | } |
1204 | 0 | } |
1205 | | |
1206 | 0 | if (use_fallback) { |
1207 | 0 | pdev->JPEG_PassThrough = 0; |
1208 | 0 | gs_free(mem->non_gc_memory, image, 4, sizeof(image_union_t), |
1209 | 0 | "pdf_begin_typed_image(image)"); |
1210 | 0 | return gx_default_begin_typed_image |
1211 | 0 | ((gx_device *)pdev, pgs, pmat, pic, prect, pdcolor, pcpath, mem, |
1212 | 0 | pinfo); |
1213 | 0 | } |
1214 | | |
1215 | 0 | pcs = pim->ColorSpace; |
1216 | 0 | rc_increment_cs(pcs); |
1217 | 0 | num_components = (is_mask ? 1 : gs_color_space_num_components(pcs)); |
1218 | |
|
1219 | 0 | code = pdf_check_soft_mask(pdev, (gs_gstate *)pgs); |
1220 | 0 | if (code < 0) |
1221 | 0 | return code; |
1222 | 0 | if (pdf_must_put_clip_path(pdev, pcpath)) |
1223 | 0 | code = pdf_unclip(pdev); |
1224 | 0 | else |
1225 | 0 | code = pdf_open_page(pdev, PDF_IN_STREAM); |
1226 | 0 | if (code < 0) { |
1227 | 0 | pdev->JPEG_PassThrough = 0; |
1228 | 0 | gs_free(mem->non_gc_memory, image, 4, sizeof(image_union_t), |
1229 | 0 | "pdf_begin_typed_image(image)"); |
1230 | 0 | return gx_default_begin_typed_image |
1231 | 0 | ((gx_device *)pdev, pgs, pmat, pic, prect, pdcolor, pcpath, mem, |
1232 | 0 | pinfo); |
1233 | 0 | } |
1234 | | |
1235 | 0 | if (context == PDF_IMAGE_TYPE3_MASK) { |
1236 | | /* |
1237 | | * The soft mask for an ImageType 3x image uses a DevicePixel |
1238 | | * color space, which pdf_color_space() can't handle. Patch it |
1239 | | * to DeviceGray here. |
1240 | | */ |
1241 | | /* {csrc} make sure this gets freed */ |
1242 | 0 | rc_decrement(pcs, "pdf_begin_typed_image(pcs)"); |
1243 | 0 | pcs = gs_cspace_new_DeviceGray(pdev->memory); |
1244 | 0 | if (pcs == NULL) |
1245 | 0 | code = gs_note_error(gs_error_VMerror); |
1246 | 0 | } else if (is_mask) |
1247 | 0 | code = pdf_prepare_imagemask(pdev, pgs, pdcolor); |
1248 | 0 | else |
1249 | 0 | code = pdf_prepare_image(pdev, pgs); |
1250 | 0 | if (code < 0) { |
1251 | 0 | pdev->JPEG_PassThrough = 0; |
1252 | 0 | gs_free(mem->non_gc_memory, image, 4, sizeof(image_union_t), |
1253 | 0 | "pdf_begin_typed_image(image)"); |
1254 | 0 | return gx_default_begin_typed_image |
1255 | 0 | ((gx_device *)pdev, pgs, pmat, pic, prect, pdcolor, pcpath, mem, |
1256 | 0 | pinfo); |
1257 | 0 | } |
1258 | | |
1259 | 0 | pie = gs_alloc_struct(mem, pdf_image_enum, &st_pdf_image_enum, |
1260 | 0 | "pdf_begin_image"); |
1261 | 0 | if (pie == 0) { |
1262 | 0 | gs_free(mem->non_gc_memory, image, 4, sizeof(image_union_t), |
1263 | 0 | "pdf_begin_typed_image(image)"); |
1264 | 0 | return_error(gs_error_VMerror); |
1265 | 0 | } |
1266 | 0 | memset(pie, 0, sizeof(*pie)); /* cleanup entirely for GC to work in all cases. */ |
1267 | 0 | *pinfo = (gx_image_enum_common_t *) pie; |
1268 | 0 | gx_image_enum_common_init(*pinfo, (const gs_data_image_t *) pim, |
1269 | 0 | ((pdev->CompatibilityLevel >= 1.3) ? |
1270 | 0 | (context == PDF_IMAGE_TYPE3_MASK ? |
1271 | 0 | &pdf_image_object_enum_procs : |
1272 | 0 | &pdf_image_enum_procs) : |
1273 | 0 | context == PDF_IMAGE_TYPE3_MASK ? |
1274 | 0 | &pdf_image_object_enum_procs : |
1275 | 0 | context == PDF_IMAGE_TYPE3_DATA ? |
1276 | 0 | &pdf_image_object_enum_procs2 : |
1277 | 0 | &pdf_image_enum_procs), |
1278 | 0 | (gx_device *)pdev, num_components, format); |
1279 | 0 | pie->memory = mem; |
1280 | 0 | width = rect.q.x - rect.p.x; |
1281 | 0 | pie->width = width; |
1282 | 0 | height = rect.q.y - rect.p.y; |
1283 | 0 | pie->bits_per_pixel = |
1284 | 0 | pim->BitsPerComponent * num_components / pie->num_planes; |
1285 | 0 | pie->rows_left = height; |
1286 | 0 | if (pnamed != 0) /* Don't in-line the image if it is named. */ |
1287 | 0 | in_line = false; |
1288 | 0 | else { |
1289 | 0 | double nbytes = (double)(((ulong) pie->width * pie->bits_per_pixel + 7) >> 3) * |
1290 | 0 | pie->num_planes * pie->rows_left; |
1291 | |
|
1292 | 0 | in_line &= (nbytes < pdev->MaxInlineImageSize); |
1293 | 0 | } |
1294 | 0 | pie->initial_colorspace = pdev->pcm_color_info_index; |
1295 | |
|
1296 | 0 | if (pmat == 0) |
1297 | 0 | pmat = &ctm_only(pgs); |
1298 | 0 | { |
1299 | 0 | gs_matrix mat; |
1300 | 0 | gs_matrix bmat; |
1301 | 0 | int code; |
1302 | |
|
1303 | 0 | pdf_make_bitmap_matrix(&bmat, -rect.p.x, -rect.p.y, |
1304 | 0 | pim->Width, pim->Height, height); |
1305 | 0 | if ((code = gs_matrix_invert(&pim->ImageMatrix, &mat)) < 0 || |
1306 | 0 | (code = gs_matrix_multiply(&bmat, &mat, &mat)) < 0 || |
1307 | 0 | (code = gs_matrix_multiply(&mat, pmat, &pie->mat)) < 0 |
1308 | 0 | ) { |
1309 | 0 | gs_free(mem->non_gc_memory, image, 4, sizeof(image_union_t), |
1310 | 0 | "pdf_begin_typed_image(image)"); |
1311 | 0 | gs_free_object(mem, pie, "pdf_begin_image"); |
1312 | 0 | return code; |
1313 | 0 | } |
1314 | | /* AR3,AR4 show no image when CTM is singular; AR5 reports an error */ |
1315 | 0 | if (pie->mat.xx * pie->mat.yy == pie->mat.xy * pie->mat.yx) |
1316 | 0 | goto fail_and_fallback; |
1317 | 0 | } |
1318 | | |
1319 | 0 | code = pdf_put_clip_path(pdev, pcpath); |
1320 | 0 | if (code < 0) { |
1321 | 0 | gs_free(mem->non_gc_memory, image, 4, sizeof(image_union_t), |
1322 | 0 | "pdf_begin_typed_image(image)"); |
1323 | 0 | gs_free_object(mem, pie, "pdf_begin_image"); |
1324 | 0 | return code; |
1325 | 0 | } |
1326 | 0 | pdf_image_writer_init(&pie->writer); |
1327 | | /* Note : Possible values for alt_writer_count are 1,2,3,4. |
1328 | | 1 means no alternative streams. |
1329 | | 2 means the main image stream and a mask stream while converting |
1330 | | an Image Type 4. |
1331 | | 3 means the main image stream, alternative image compression stream, |
1332 | | and the compression chooser. |
1333 | | 4 meams 3 and a mask stream while convertingh an Image Type 4. |
1334 | | */ |
1335 | 0 | pie->writer.alt_writer_count = (in_line || |
1336 | 0 | (pim->Width <= 64 && pim->Height <= 64) |
1337 | 0 | ? 1 : 2); |
1338 | 0 | if ((image[0].pixel.ColorSpace != NULL && |
1339 | 0 | image[0].pixel.ColorSpace->type->index == gs_color_space_index_Indexed |
1340 | 0 | && pdev->params.ColorImage.DownsampleType != ds_Subsample) || |
1341 | 0 | pdev->transfer_not_identity) |
1342 | 0 | force_lossless = true; |
1343 | |
|
1344 | 0 | if ((image[0].pixel.ColorSpace != NULL && image[0].pixel.ColorSpace->type->index == gs_color_space_index_Indexed) |
1345 | 0 | || force_lossless) |
1346 | 0 | pie->writer.alt_writer_count = 1; |
1347 | |
|
1348 | 0 | names = (in_line ? &pdf_color_space_names_short : &pdf_color_space_names); |
1349 | | |
1350 | | /* We don't want to change the colour space of a mask, or an SMask (both of which are Gray) */ |
1351 | 0 | if (!is_mask) { |
1352 | 0 | if (image[0].pixel.ColorSpace != NULL && !(context == PDF_IMAGE_TYPE3_MASK)) |
1353 | 0 | convert_to_process_colors = setup_image_colorspace(pdev, &image[0], pcs, &pcs_orig, names, &cs_value); |
1354 | |
|
1355 | 0 | if (pim->BitsPerComponent > 8 && convert_to_process_colors) |
1356 | 0 | goto fail_and_fallback; |
1357 | 0 | if (convert_to_process_colors == 4) { |
1358 | 0 | code = convert_DeviceN_alternate(pdev, pgs, pcs, NULL, NULL, NULL, NULL, &cs_value, in_line); |
1359 | 0 | if (code < 0) |
1360 | 0 | goto fail_and_fallback; |
1361 | 0 | } |
1362 | 0 | if (convert_to_process_colors == 3) { |
1363 | 0 | code = convert_separation_alternate(pdev, pgs, pcs, NULL, NULL, NULL, NULL, &cs_value, in_line); |
1364 | 0 | if (code < 0) |
1365 | 0 | goto fail_and_fallback; |
1366 | 0 | } |
1367 | 0 | if (convert_to_process_colors == 1) { |
1368 | 0 | code = make_device_color_space(pdev, pdev->pcm_color_info_index, &pcs_device); |
1369 | 0 | if (code < 0) |
1370 | 0 | goto fail_and_fallback; |
1371 | 0 | image[0].pixel.ColorSpace = pcs_device; |
1372 | 0 | image[0].pixel.BitsPerComponent = 8; |
1373 | 0 | code = pdf_color_space_named(pdev, pgs, &cs_value, &pranges, pcs_device, names, |
1374 | 0 | in_line, NULL, 0, false); |
1375 | 0 | if (code < 0) |
1376 | 0 | goto fail_and_fallback; |
1377 | 0 | } else { |
1378 | 0 | if (convert_to_process_colors == 2) { |
1379 | 0 | convert_to_process_colors = 0; |
1380 | 0 | code = pdf_color_space_named(pdev, pgs, &cs_value, &pranges, pcs, names, |
1381 | 0 | in_line, NULL, 0, true); |
1382 | 0 | if (code < 0) |
1383 | 0 | goto fail_and_fallback; |
1384 | 0 | } else { |
1385 | 0 | convert_to_process_colors = 0; |
1386 | 0 | code = pdf_color_space_named(pdev, pgs, &cs_value, &pranges, pcs, names, |
1387 | 0 | in_line, NULL, 0, false); |
1388 | 0 | if (code < 0) |
1389 | 0 | goto fail_and_fallback; |
1390 | 0 | } |
1391 | 0 | } |
1392 | 0 | } |
1393 | | |
1394 | 0 | image[1] = image[0]; |
1395 | |
|
1396 | 0 | pdev->ParamCompatibilityLevel = pdev->CompatibilityLevel; |
1397 | |
|
1398 | 0 | code = pdf_begin_write_image(pdev, &pie->writer, gs_no_id, width, |
1399 | 0 | height, pnamed, in_line); |
1400 | 0 | if (code < 0) |
1401 | 0 | goto fail_and_fallback; |
1402 | | |
1403 | 0 | if (pdev->params.TransferFunctionInfo == tfi_Apply && pdev->transfer_not_identity && !is_mask) |
1404 | 0 | pdev->JPEG_PassThrough = 0; |
1405 | | |
1406 | | /* Code below here deals with setting up the multiple data stream writing. |
1407 | | * We can have up to 4 stream writers, which we keep in an array. We must |
1408 | | * always have at least one which writes the uncompressed stream. If we |
1409 | | * are writing compressed streams, we have one for the compressed stream |
1410 | | * and one for the compression chooser. |
1411 | | * For type 4 images being converted (for old versions of PDF or for ps2write) |
1412 | | * we need an additional stream to write a mask, which masks the real |
1413 | | * image. |
1414 | | * For colour conversion we will place an additional filter in front of all |
1415 | | * the streams which does the conversion. |
1416 | | */ |
1417 | 0 | if (in_line) { |
1418 | 0 | pdev->JPEG_PassThrough = 0; |
1419 | 0 | code = new_setup_lossless_filters((gx_device_psdf *) pdev, |
1420 | 0 | &pie->writer.binary[0], |
1421 | 0 | &image[0].pixel, in_line, convert_to_process_colors, (gs_matrix *)pmat, (gs_gstate *)pgs); |
1422 | 0 | } else { |
1423 | 0 | if (force_lossless) { |
1424 | | /* |
1425 | | * Some regrettable PostScript code (such as LanguageLevel 1 output |
1426 | | * from Microsoft's PSCRIPT.DLL driver) misuses the transfer |
1427 | | * function to accomplish the equivalent of indexed color. |
1428 | | * Downsampling (well, only averaging) or JPEG compression are not |
1429 | | * compatible with this. Play it safe by using only lossless |
1430 | | * filters if the transfer function(s) is/are other than the |
1431 | | * identity and by setting the downsample type to Subsample.. |
1432 | | */ |
1433 | 0 | int saved_downsample = pdev->params.ColorImage.DownsampleType; |
1434 | |
|
1435 | 0 | pdev->params.ColorImage.DownsampleType = ds_Subsample; |
1436 | 0 | code = new_setup_image_filters((gx_device_psdf *) pdev, |
1437 | 0 | &pie->writer.binary[0], &image[0].pixel, |
1438 | 0 | pmat, pgs, true, in_line, convert_to_process_colors); |
1439 | 0 | pdev->params.ColorImage.DownsampleType = saved_downsample; |
1440 | 0 | } else { |
1441 | 0 | code = new_setup_image_filters((gx_device_psdf *) pdev, |
1442 | 0 | &pie->writer.binary[0], &image[0].pixel, |
1443 | 0 | pmat, pgs, true, in_line, convert_to_process_colors); |
1444 | 0 | } |
1445 | 0 | } |
1446 | |
|
1447 | 0 | if (code < 0) |
1448 | 0 | goto fail_and_fallback; |
1449 | | |
1450 | 0 | if (!convert_to_process_colors) |
1451 | 0 | { |
1452 | 0 | gs_color_space_index csi; |
1453 | |
|
1454 | 0 | if (pdev->params.TransferFunctionInfo == tfi_Apply && pdev->transfer_not_identity && !is_mask) { |
1455 | 0 | pdev->JPEG_PassThrough = 0; |
1456 | 0 | csi = gs_color_space_get_index(image[0].pixel.ColorSpace); |
1457 | 0 | if (csi == gs_color_space_index_Indexed) { |
1458 | 0 | csi = gs_color_space_get_index(image[0].pixel.ColorSpace->base_space); |
1459 | 0 | if (csi == gs_color_space_index_ICC) { |
1460 | 0 | csi = gsicc_get_default_type(image[0].pixel.ColorSpace->base_space->cmm_icc_profile_data); |
1461 | 0 | } |
1462 | 0 | } else { |
1463 | 0 | if (csi == gs_color_space_index_ICC) { |
1464 | 0 | csi = gsicc_get_default_type(image[0].pixel.ColorSpace->cmm_icc_profile_data); |
1465 | 0 | } |
1466 | 0 | } |
1467 | 0 | switch(csi) { |
1468 | 0 | case gs_color_space_index_DevicePixel: |
1469 | 0 | case gs_color_space_index_CIEA: |
1470 | 0 | convert_to_process_colors = 1; |
1471 | 0 | pdf_set_process_color_model(pdev, 0); |
1472 | 0 | break; |
1473 | 0 | case gs_color_space_index_CIEDEF: |
1474 | 0 | case gs_color_space_index_CIEABC: |
1475 | 0 | case gs_color_space_index_DeviceGray: |
1476 | 0 | convert_to_process_colors = 1; |
1477 | 0 | pdf_set_process_color_model(pdev, 0); |
1478 | 0 | break; |
1479 | 0 | case gs_color_space_index_DeviceRGB: |
1480 | 0 | convert_to_process_colors = 1; |
1481 | 0 | pdf_set_process_color_model(pdev, 1); |
1482 | 0 | break; |
1483 | 0 | case gs_color_space_index_CIEDEFG: |
1484 | 0 | case gs_color_space_index_DeviceCMYK: |
1485 | 0 | convert_to_process_colors = 1; |
1486 | 0 | pdf_set_process_color_model(pdev, 2); |
1487 | 0 | break; |
1488 | 0 | default: |
1489 | 0 | break; |
1490 | 0 | } |
1491 | 0 | if (convert_to_process_colors == 1) { |
1492 | 0 | pcs_orig = image->pixel.ColorSpace; |
1493 | 0 | code = make_device_color_space(pdev, pdev->pcm_color_info_index, &pcs_device); |
1494 | 0 | if (code < 0) |
1495 | 0 | goto fail_and_fallback; |
1496 | 0 | image[0].pixel.ColorSpace = pcs_device; |
1497 | 0 | code = pdf_color_space_named(pdev, pgs, &cs_value, &pranges, pcs_device, names, |
1498 | 0 | in_line, NULL, 0, false); |
1499 | 0 | if (code < 0) |
1500 | 0 | goto fail_and_fallback; |
1501 | 0 | } |
1502 | 0 | } |
1503 | 0 | } |
1504 | | /* If we are not preserving the colour space unchanged, thenwe can't pass through JPEG */ |
1505 | 0 | else |
1506 | 0 | pdev->JPEG_PassThrough = 0; |
1507 | | |
1508 | | |
1509 | 0 | if (convert_to_process_colors) { |
1510 | 0 | image[0].pixel.ColorSpace = pcs_orig; |
1511 | 0 | image[0].pixel.BitsPerComponent = pim->BitsPerComponent; |
1512 | 0 | code = psdf_setup_image_colors_filter(&pie->writer.binary[0], |
1513 | 0 | (gx_device_psdf *)pdev, pim, &image[0].pixel, pgs); |
1514 | 0 | if (code < 0) |
1515 | 0 | goto fail_and_fallback; |
1516 | 0 | image[0].pixel.ColorSpace = pcs_device; |
1517 | 0 | } |
1518 | | |
1519 | 0 | if (pdev->JPEG_PassThrough) { |
1520 | | /* if (pie->writer.alt_writer_count > 1) { |
1521 | | s_close_filters(&pie->writer.binary[0].strm, uncompressed); |
1522 | | memset(pie->writer.binary + 1, 0, sizeof(pie->writer.binary[1])); |
1523 | | memset(pie->writer.binary + 2, 0, sizeof(pie->writer.binary[1])); |
1524 | | }*/ |
1525 | 0 | pdev->PassThroughWriter = pie->writer.binary[0].strm; |
1526 | 0 | pie->writer.alt_writer_count = 1; |
1527 | 0 | } |
1528 | 0 | pie->JPEG_PassThrough = pdev->JPEG_PassThrough; |
1529 | |
|
1530 | 0 | if (pie->writer.alt_writer_count > 1) { |
1531 | 0 | code = pdf_make_alt_stream(pdev, &pie->writer.binary[1]); |
1532 | 0 | if (code) { |
1533 | 0 | goto fail_and_fallback; |
1534 | 0 | } |
1535 | 0 | code = new_setup_image_filters((gx_device_psdf *) pdev, |
1536 | 0 | &pie->writer.binary[1], &image[1].pixel, |
1537 | 0 | pmat, pgs, force_lossless, in_line, convert_to_process_colors); |
1538 | 0 | if (code == gs_error_rangecheck) { |
1539 | |
|
1540 | 0 | for (i=1;i < pie->writer.alt_writer_count; i++) { |
1541 | 0 | stream *s = pie->writer.binary[i].strm; |
1542 | 0 | cos_stream_t *pcos = cos_stream_from_pipeline(pie->writer.binary[i].strm); |
1543 | 0 | s_close_filters(&s, NULL); |
1544 | 0 | gs_free_object(pdev->pdf_memory, s, "compressed image stream"); |
1545 | 0 | if (pcos == 0L) |
1546 | 0 | return gs_note_error(gs_error_ioerror); |
1547 | 0 | pcos->cos_procs->release((cos_object_t *)pcos, "pdf_begin_typed_image_impl"); |
1548 | 0 | gs_free_object(pdev->pdf_memory, pcos, "compressed image cos_stream"); |
1549 | 0 | } |
1550 | | /* setup_image_compression rejected the alternative compression. */ |
1551 | 0 | pie->writer.alt_writer_count = 1; |
1552 | 0 | memset(pie->writer.binary + 1, 0, sizeof(pie->writer.binary[1])); |
1553 | 0 | memset(pie->writer.binary + 2, 0, sizeof(pie->writer.binary[1])); |
1554 | 0 | } else if (code) { |
1555 | 0 | goto fail_and_fallback; |
1556 | 0 | } else if (convert_to_process_colors) { |
1557 | 0 | image[1].pixel.ColorSpace = pcs_orig; |
1558 | 0 | image[1].pixel.BitsPerComponent = pim->BitsPerComponent; |
1559 | 0 | code = psdf_setup_image_colors_filter(&pie->writer.binary[1], |
1560 | 0 | (gx_device_psdf *)pdev, pim, &image[1].pixel, pgs); |
1561 | 0 | if (code < 0) { |
1562 | 0 | goto fail_and_fallback; |
1563 | 0 | } |
1564 | 0 | image[1].pixel.ColorSpace = pcs_device; |
1565 | 0 | } |
1566 | 0 | } |
1567 | | |
1568 | 0 | for (i = 0; i < pie->writer.alt_writer_count; i++) { |
1569 | 0 | code = pdf_begin_image_data_decoded(pdev, num_components, pranges, i, |
1570 | 0 | &image[i].pixel, &cs_value, pie); |
1571 | 0 | if (code < 0) |
1572 | 0 | goto fail_and_fallback; |
1573 | 0 | } |
1574 | 0 | if (pie->writer.alt_writer_count == 2) { |
1575 | 0 | psdf_setup_compression_chooser(&pie->writer.binary[2], |
1576 | 0 | (gx_device_psdf *)pdev, pim->Width, pim->Height, |
1577 | 0 | num_components, pim->BitsPerComponent); |
1578 | 0 | pie->writer.alt_writer_count = 3; |
1579 | 0 | } |
1580 | 0 | if (pic->type->index == 4 && pdev->CompatibilityLevel < 1.3) { |
1581 | 0 | int i; |
1582 | | |
1583 | | /* Create a stream for writing the mask. */ |
1584 | 0 | i = pie->writer.alt_writer_count; |
1585 | 0 | gs_image_t_init_mask_adjust((gs_image_t *)&image[i].type1, true, false); |
1586 | 0 | image[i].type1.Width = image[0].pixel.Width; |
1587 | 0 | image[i].type1.Height = image[0].pixel.Height; |
1588 | | /* Won't use image[2]. */ |
1589 | 0 | code = pdf_begin_write_image(pdev, &pie->writer, gs_no_id, width, |
1590 | 0 | height, NULL, false); |
1591 | 0 | if (code) |
1592 | 0 | goto fail_and_fallback; |
1593 | 0 | code = psdf_setup_image_filters((gx_device_psdf *) pdev, |
1594 | 0 | &pie->writer.binary[i], &image[i].pixel, |
1595 | 0 | pmat, pgs, force_lossless, in_line); |
1596 | 0 | if (code < 0) |
1597 | 0 | goto fail_and_fallback; |
1598 | | /* Bug701972 -- added input_width arg here. For this case, just passing in the same |
1599 | | * width as before, so nothing changes. This is an obscure case that isn't tested |
1600 | | * on the cluster (note that it requires CompatibilityLevel < 1.3). |
1601 | | */ |
1602 | 0 | psdf_setup_image_to_mask_filter(&pie->writer.binary[i], |
1603 | 0 | (gx_device_psdf *)pdev, pim->Width, pim->Height, pim->Width, |
1604 | 0 | num_components, pim->BitsPerComponent, image[i].type4.MaskColor); |
1605 | 0 | code = pdf_begin_image_data_decoded(pdev, num_components, pranges, i, |
1606 | 0 | &image[i].pixel, &cs_value, pie); |
1607 | 0 | if (code < 0) |
1608 | 0 | goto fail_and_fallback; |
1609 | 0 | ++pie->writer.alt_writer_count; |
1610 | 0 | } |
1611 | | |
1612 | 0 | gs_free(mem->non_gc_memory, image, 4, sizeof(image_union_t), |
1613 | 0 | "pdf_begin_typed_image(image)"); |
1614 | 0 | rc_decrement(pcs, "pdf_begin_typed_image(pcs)"); |
1615 | 0 | return 0; |
1616 | | |
1617 | 0 | fail_and_fallback: |
1618 | 0 | rc_decrement(pcs, "pdf_begin_typed_image(pcs)"); |
1619 | 0 | pdev->JPEG_PassThrough = 0; |
1620 | 0 | gs_free(mem->non_gc_memory, image, 4, sizeof(image_union_t), |
1621 | 0 | "pdf_begin_typed_image(image)"); |
1622 | 0 | gs_free_object(mem, pie, "pdf_begin_image"); |
1623 | 0 | return gx_default_begin_typed_image |
1624 | 0 | ((gx_device *)pdev, pgs, pmat, pic, prect, pdcolor, pcpath, mem, |
1625 | 0 | pinfo); |
1626 | 0 | } |
1627 | | |
1628 | | int |
1629 | | gdev_pdf_begin_typed_image(gx_device * dev, const gs_gstate * pgs, |
1630 | | const gs_matrix *pmat, const gs_image_common_t *pic, |
1631 | | const gs_int_rect * prect, |
1632 | | const gx_drawing_color * pdcolor, |
1633 | | const gx_clip_path * pcpath, gs_memory_t * mem, |
1634 | | gx_image_enum_common_t ** pinfo) |
1635 | 0 | { |
1636 | 0 | return pdf_begin_typed_image((gx_device_pdf *)dev, pgs, pmat, pic, prect, |
1637 | 0 | pdcolor, pcpath, mem, pinfo, |
1638 | 0 | PDF_IMAGE_DEFAULT); |
1639 | 0 | } |
1640 | | |
1641 | | /* ---------------- All images ---------------- */ |
1642 | | |
1643 | | /* Process the next piece of an image. */ |
1644 | | static int |
1645 | | pdf_image_plane_data_alt(gx_image_enum_common_t * info, |
1646 | | const gx_image_plane_t * planes, int height, |
1647 | | int *rows_used, int alt_writer_index) |
1648 | 0 | { |
1649 | 0 | pdf_image_enum *pie = (pdf_image_enum *) info; |
1650 | 0 | int h = height; |
1651 | 0 | int y; |
1652 | | /****** DOESN'T HANDLE IMAGES WITH VARYING WIDTH PER PLANE ******/ |
1653 | 0 | uint width_bits = pie->width * pie->plane_depths[0]; |
1654 | | /****** DOESN'T HANDLE NON-ZERO data_x CORRECTLY ******/ |
1655 | 0 | uint ignore; |
1656 | 0 | int nplanes = pie->num_planes; |
1657 | 0 | int status = 0; |
1658 | 0 | uint bcount = (width_bits + 7) >> 3; |
1659 | |
|
1660 | 0 | if (h > pie->rows_left) |
1661 | 0 | h = pie->rows_left; |
1662 | 0 | for (y = 0; y < h; ++y) { |
1663 | 0 | if (nplanes > 1) { |
1664 | | /* |
1665 | | * We flip images in blocks, and each block except the last one |
1666 | | * must contain an integral number of pixels. The easiest way |
1667 | | * to meet this condition is for all blocks except the last to |
1668 | | * be a multiple of 3 source bytes (guaranteeing an integral |
1669 | | * number of 1/2/4/8/12-bit samples), i.e., 3*nplanes flipped |
1670 | | * bytes. This requires a buffer of at least |
1671 | | * 3*GS_IMAGE_MAX_COMPONENTS bytes. |
1672 | | */ |
1673 | 0 | int pi; |
1674 | 0 | uint count = bcount; |
1675 | 0 | uint offset = 0; |
1676 | 0 | #define ROW_BYTES max(200 /*arbitrary*/, 3 * GS_IMAGE_MAX_COMPONENTS) |
1677 | 0 | const byte *bit_planes[GS_IMAGE_MAX_COMPONENTS]; |
1678 | 0 | int block_bytes = ROW_BYTES / (3 * nplanes) * 3; |
1679 | 0 | byte row[ROW_BYTES]; |
1680 | |
|
1681 | 0 | for (pi = 0; pi < nplanes; ++pi) |
1682 | 0 | bit_planes[pi] = planes[pi].data + planes[pi].raster * y; |
1683 | 0 | while (count) { |
1684 | 0 | uint flip_count; |
1685 | 0 | uint flipped_count; |
1686 | |
|
1687 | 0 | if (count > block_bytes) { |
1688 | 0 | flip_count = block_bytes; |
1689 | 0 | flipped_count = block_bytes * nplanes; |
1690 | 0 | } else { |
1691 | 0 | flip_count = count; |
1692 | 0 | flipped_count = |
1693 | 0 | (width_bits % (block_bytes * 8) * nplanes + 7) >> 3; |
1694 | | /* In case the width of the image is a precise multiple of our block size */ |
1695 | 0 | if (flipped_count == 0) |
1696 | 0 | flipped_count = block_bytes * nplanes; |
1697 | 0 | } |
1698 | 0 | image_flip_planes(row, bit_planes, offset, flip_count, |
1699 | 0 | nplanes, pie->plane_depths[0]); |
1700 | 0 | status = sputs(pie->writer.binary[alt_writer_index].strm, row, |
1701 | 0 | flipped_count, &ignore); |
1702 | 0 | if (status < 0) |
1703 | 0 | break; |
1704 | 0 | offset += flip_count; |
1705 | 0 | count -= flip_count; |
1706 | 0 | } |
1707 | 0 | } else { |
1708 | 0 | status = sputs(pie->writer.binary[alt_writer_index].strm, |
1709 | 0 | planes[0].data + planes[0].raster * y, bcount, |
1710 | 0 | &ignore); |
1711 | 0 | } |
1712 | 0 | if (status < 0) |
1713 | 0 | break; |
1714 | 0 | } |
1715 | 0 | *rows_used = h; |
1716 | 0 | if (status < 0) |
1717 | 0 | return_error(gs_error_ioerror); |
1718 | 0 | return !pie->rows_left; |
1719 | 0 | #undef ROW_BYTES |
1720 | 0 | } |
1721 | | |
1722 | | static int |
1723 | | pdf_image_plane_data(gx_image_enum_common_t * info, |
1724 | | const gx_image_plane_t * planes, int height, |
1725 | | int *rows_used) |
1726 | 0 | { |
1727 | 0 | pdf_image_enum *pie = (pdf_image_enum *) info; |
1728 | 0 | int i; |
1729 | |
|
1730 | 0 | if (pie->JPEG_PassThrough) { |
1731 | 0 | pie->rows_left -= height; |
1732 | 0 | *rows_used = height; |
1733 | 0 | return 0; |
1734 | 0 | } |
1735 | | |
1736 | 0 | for (i = 0; i < pie->writer.alt_writer_count; i++) { |
1737 | 0 | int code = pdf_image_plane_data_alt(info, planes, height, rows_used, i); |
1738 | 0 | if (code) |
1739 | 0 | return code; |
1740 | 0 | } |
1741 | 0 | pie->rows_left -= *rows_used; |
1742 | 0 | if (pie->writer.alt_writer_count > 2) |
1743 | 0 | pdf_choose_compression(&pie->writer, false); |
1744 | |
|
1745 | 0 | return !pie->rows_left; |
1746 | 0 | } |
1747 | | |
1748 | | static int |
1749 | | use_image_as_pattern(gx_device_pdf *pdev, pdf_resource_t *pres1, |
1750 | | const gs_matrix *pmat, gs_id id) |
1751 | 0 | { /* See also dump_image in gdevpdfd.c . */ |
1752 | 0 | gs_gstate s; |
1753 | 0 | gs_pattern1_instance_t inst; |
1754 | 0 | cos_value_t v; |
1755 | 0 | const pdf_resource_t *pres; |
1756 | 0 | int code; |
1757 | |
|
1758 | 0 | memset(&s, 0, sizeof(s)); |
1759 | 0 | s.ctm.xx = pmat->xx; |
1760 | 0 | s.ctm.xy = pmat->xy; |
1761 | 0 | s.ctm.yx = pmat->yx; |
1762 | 0 | s.ctm.yy = pmat->yy; |
1763 | 0 | s.ctm.tx = pmat->tx; |
1764 | 0 | s.ctm.ty = pmat->ty; |
1765 | 0 | memset(&inst, 0, sizeof(inst)); |
1766 | 0 | inst.saved = (gs_gstate *)&s; /* HACK : will use s.ctm only. */ |
1767 | 0 | inst.templat.PaintType = 1; |
1768 | 0 | inst.templat.TilingType = 1; |
1769 | 0 | inst.templat.BBox.p.x = inst.templat.BBox.p.y = 0; |
1770 | 0 | inst.templat.BBox.q.x = 1; |
1771 | 0 | inst.templat.BBox.q.y = 1; |
1772 | 0 | inst.templat.XStep = 2; /* Set 2 times bigger step against artifacts. */ |
1773 | 0 | inst.templat.YStep = 2; |
1774 | |
|
1775 | 0 | { |
1776 | 0 | pattern_accum_param_s param; |
1777 | 0 | param.pinst = (void *)&inst; |
1778 | 0 | param.graphics_state = (void *)&s; |
1779 | 0 | param.pinst_id = inst.id; |
1780 | |
|
1781 | 0 | code = (*dev_proc(pdev, dev_spec_op))((gx_device *)pdev, |
1782 | 0 | gxdso_pattern_start_accum, ¶m, sizeof(pattern_accum_param_s)); |
1783 | 0 | } |
1784 | |
|
1785 | 0 | if (code >= 0) |
1786 | 0 | pprintld1(pdev->strm, "/R%ld Do\n", pdf_resource_id(pres1)); |
1787 | 0 | pres = pdev->accumulating_substream_resource; |
1788 | 0 | if (code >= 0) |
1789 | 0 | code = pdf_add_resource(pdev, pdev->substream_Resources, "/XObject", pres1); |
1790 | 0 | if (code >= 0) { |
1791 | 0 | pattern_accum_param_s param; |
1792 | 0 | param.pinst = (void *)&inst; |
1793 | 0 | param.graphics_state = (void *)&s; |
1794 | 0 | param.pinst_id = inst.id; |
1795 | |
|
1796 | 0 | code = (*dev_proc(pdev, dev_spec_op))((gx_device *)pdev, |
1797 | 0 | gxdso_pattern_finish_accum, ¶m, id); |
1798 | 0 | } |
1799 | 0 | if (code >= 0) |
1800 | 0 | code = (*dev_proc(pdev, dev_spec_op))((gx_device *)pdev, |
1801 | 0 | gxdso_pattern_load, &inst, id); |
1802 | 0 | if (code >= 0) { |
1803 | 0 | stream_puts(pdev->strm, "q "); |
1804 | 0 | code = pdf_cs_Pattern_colored(pdev, &v); |
1805 | 0 | } |
1806 | 0 | if (code >= 0) { |
1807 | 0 | cos_value_write(&v, pdev); |
1808 | 0 | pprintld1(pdev->strm, " cs /R%ld scn ", pdf_resource_id(pres)); |
1809 | 0 | } |
1810 | 0 | if (code >= 0) { |
1811 | | /* The image offset weas broken in gx_begin_image3_generic, |
1812 | | (see 'origin' in there). |
1813 | | As a temporary hack use the offset of the image. |
1814 | | fixme : This isn't generally correct, |
1815 | | because the mask may be "transpozed" against the image. */ |
1816 | 0 | gs_matrix m = pdev->converting_image_matrix; |
1817 | |
|
1818 | 0 | m.tx = pmat->tx; |
1819 | 0 | m.ty = pmat->ty; |
1820 | 0 | code = pdf_do_image_by_id(pdev, pdev->image_mask_scale, |
1821 | 0 | &m, true, pdev->image_mask_id); |
1822 | 0 | stream_puts(pdev->strm, "Q\n"); |
1823 | 0 | } |
1824 | 0 | return code; |
1825 | 0 | } |
1826 | | |
1827 | | typedef enum { |
1828 | | USE_AS_MASK, |
1829 | | USE_AS_IMAGE, |
1830 | | USE_AS_PATTERN |
1831 | | } pdf_image_usage_t; |
1832 | | |
1833 | | /* Close PDF image and do it. */ |
1834 | | static int |
1835 | | pdf_end_and_do_image(gx_device_pdf *pdev, pdf_image_writer *piw, |
1836 | | const gs_matrix *mat, gs_id ps_bitmap_id, pdf_image_usage_t do_image) |
1837 | 0 | { |
1838 | 0 | int code = pdf_end_write_image(pdev, piw); |
1839 | 0 | pdf_resource_t *pres = piw->pres; |
1840 | |
|
1841 | 0 | switch (code) { |
1842 | 0 | default: |
1843 | 0 | return code; /* error */ |
1844 | 0 | case 1: |
1845 | 0 | code = 0; |
1846 | 0 | break; |
1847 | 0 | case 0: |
1848 | 0 | if (do_image == USE_AS_IMAGE) { |
1849 | 0 | if (pdev->image_mask_id != gs_no_id) { |
1850 | 0 | char buf[20]; |
1851 | |
|
1852 | 0 | gs_sprintf(buf, "%ld 0 R", pdev->image_mask_id); |
1853 | 0 | code = cos_dict_put_string_copy((cos_dict_t *)pres->object, |
1854 | 0 | pdev->image_mask_is_SMask ? "/SMask" : "/Mask", buf); |
1855 | 0 | (*(pres->object)).md5_valid = 0; |
1856 | 0 | if (code < 0) |
1857 | 0 | return code; |
1858 | 0 | } |
1859 | 0 | if (pdev->image_mask_skip) |
1860 | 0 | code = 0; |
1861 | 0 | else |
1862 | 0 | code = pdf_do_image(pdev, pres, mat, true); |
1863 | 0 | } else if (do_image == USE_AS_MASK) { |
1864 | | /* Provide data for pdf_do_image_by_id, which will be called through |
1865 | | use_image_as_pattern during the next call to this function. |
1866 | | See pdf_do_image about the meaning of 'scale'. */ |
1867 | 0 | const pdf_x_object_t *const pxo = (const pdf_x_object_t *)pres; |
1868 | |
|
1869 | 0 | pdev->image_mask_scale = (double)pxo->data_height / pxo->height; |
1870 | 0 | pdev->image_mask_id = pdf_resource_id(pres); |
1871 | 0 | pdev->converting_image_matrix = *mat; |
1872 | 0 | } else if (do_image == USE_AS_PATTERN) |
1873 | 0 | code = use_image_as_pattern(pdev, pres, mat, ps_bitmap_id); |
1874 | 0 | } |
1875 | 0 | return code; |
1876 | 0 | } |
1877 | | |
1878 | | /* Clean up by releasing the buffers. */ |
1879 | | static int |
1880 | | pdf_image_end_image_data(gx_image_enum_common_t * info, bool draw_last, |
1881 | | pdf_image_usage_t do_image) |
1882 | 0 | { |
1883 | 0 | gx_device_pdf *pdev = (gx_device_pdf *)info->dev; |
1884 | 0 | pdf_image_enum *pie = (pdf_image_enum *)info; |
1885 | 0 | int height = pie->writer.height; |
1886 | 0 | int data_height = height - pie->rows_left; |
1887 | 0 | int code = 0, ecode; |
1888 | |
|
1889 | 0 | if (pie->writer.pres) |
1890 | 0 | ((pdf_x_object_t *)pie->writer.pres)->data_height = data_height; |
1891 | 0 | else if (data_height > 0) |
1892 | 0 | pdf_put_image_matrix(pdev, &pie->mat, (double)data_height / height); |
1893 | 0 | if (data_height > 0) { |
1894 | 0 | if (pie->writer.pres) { |
1895 | 0 | code = pdf_complete_image_data(pdev, &pie->writer, data_height, |
1896 | 0 | pie->width, pie->bits_per_pixel); |
1897 | 0 | if (code < 0) |
1898 | 0 | return code; |
1899 | 0 | } |
1900 | 0 | code = pdf_end_image_binary(pdev, &pie->writer, data_height); |
1901 | | /* The call above possibly decreases pie->writer.alt_writer_count in 2. */ |
1902 | 0 | if (code < 0) |
1903 | 0 | return code; |
1904 | 0 | if (pie->writer.alt_writer_count == 2) { |
1905 | | /* We're converting a type 4 image into an imagemask with a pattern color. */ |
1906 | | /* Since the type 3 image writes the mask first, do so here. */ |
1907 | 0 | pdf_image_writer writer = pie->writer; |
1908 | |
|
1909 | 0 | writer.binary[0] = pie->writer.binary[1]; |
1910 | 0 | writer.pres = pie->writer.pres_mask; |
1911 | 0 | writer.alt_writer_count = 1; |
1912 | 0 | memset(&pie->writer.binary[1], 0, sizeof(pie->writer.binary[1])); |
1913 | 0 | pie->writer.alt_writer_count--; /* For GC. */ |
1914 | 0 | pie->writer.pres_mask = 0; /* For GC. */ |
1915 | 0 | code = pdf_end_image_binary(pdev, &writer, data_height); |
1916 | 0 | if (code < 0) |
1917 | 0 | return code; |
1918 | 0 | code = pdf_end_and_do_image(pdev, &writer, &pie->mat, info->id, USE_AS_MASK); |
1919 | 0 | if (code < 0) |
1920 | 0 | return code; |
1921 | 0 | code = pdf_end_and_do_image(pdev, &pie->writer, &pie->mat, info->id, USE_AS_PATTERN); |
1922 | 0 | } else |
1923 | 0 | code = pdf_end_and_do_image(pdev, &pie->writer, &pie->mat, info->id, do_image); |
1924 | 0 | pie->writer.alt_writer_count--; /* For GC. */ |
1925 | 0 | } |
1926 | 0 | if (pie->initial_colorspace != pdev->pcm_color_info_index) |
1927 | 0 | pdf_set_process_color_model(pdev, pie->initial_colorspace); |
1928 | | |
1929 | | /* Clean up any outstanding streams before freeing the enumerator */ |
1930 | 0 | while (pie->writer.alt_writer_count-- > 0) { |
1931 | 0 | ecode = psdf_end_binary(&(pie->writer.binary[pie->writer.alt_writer_count])); |
1932 | | /* If we are skipping an image (because its clipped out or similar) then we |
1933 | | * won't have written any data to it. Some filters (notably the DCTEncode filter) |
1934 | | * throw an error (premature EOD) if we close the filter without writing any data to it. |
1935 | | * So if we are skipping the image, ignore errors when closing the stream. |
1936 | | * Unfortunately we don't set pie->skipping until after begin_typed_image() |
1937 | | * or we could avoid a lot of setup.... |
1938 | | */ |
1939 | 0 | if (ecode < 0 && code >= 0 && !pie->skipping) code = ecode; |
1940 | 0 | } |
1941 | |
|
1942 | 0 | gx_image_free_enum(&info); |
1943 | 0 | return code; |
1944 | 0 | } |
1945 | | |
1946 | | /* End a normal image, drawing it. */ |
1947 | | static int |
1948 | | pdf_image_end_image(gx_image_enum_common_t * info, bool draw_last) |
1949 | 0 | { |
1950 | 0 | return pdf_image_end_image_data(info, draw_last, USE_AS_IMAGE); |
1951 | 0 | } |
1952 | | |
1953 | | /* End an image converted with pdf_lcvd_t. */ |
1954 | | static int |
1955 | | pdf_image_end_image_cvd(gx_image_enum_common_t * info, bool draw_last) |
1956 | 0 | { pdf_lcvd_t *cvd = (pdf_lcvd_t *)info->dev; |
1957 | 0 | int code = pdf_dump_converted_image(cvd->pdev, cvd); |
1958 | 0 | int code1 = gx_image1_end_image(info, draw_last); |
1959 | 0 | int code2 = gs_closedevice((gx_device *)cvd->mask); |
1960 | 0 | int code3 = gs_closedevice((gx_device *)cvd); |
1961 | |
|
1962 | 0 | gs_free_object(cvd->mask->memory, (gx_device *)cvd->mask, "pdf_image_end_image_cvd"); |
1963 | 0 | gs_free_object(cvd->mdev.memory, (gx_device *)cvd, "pdf_image_end_image_cvd"); |
1964 | 0 | return code < 0 ? code : code1 < 0 ? code1 : code2 < 0 ? code2 : code3; |
1965 | 0 | } |
1966 | | /* ---------------- Type 3/3x images ---------------- */ |
1967 | | |
1968 | | /* |
1969 | | * For both types of masked images, we create temporary dummy (null) devices |
1970 | | * that forward the begin_typed_image call to the implementation above. |
1971 | | */ |
1972 | | static int |
1973 | | pdf_make_mxd(gx_device **pmxdev, gx_device *tdev, gs_memory_t *mem) |
1974 | 0 | { |
1975 | 0 | gx_device *fdev; |
1976 | 0 | int code = gs_copydevice(&fdev, (const gx_device *)&gs_null_device, mem); |
1977 | |
|
1978 | 0 | if (code < 0) |
1979 | 0 | return code; |
1980 | 0 | gx_device_set_target((gx_device_forward *)fdev, tdev); |
1981 | 0 | *pmxdev = fdev; |
1982 | 0 | return 0; |
1983 | 0 | } |
1984 | | |
1985 | | /* End the mask of an ImageType 3 image, not drawing it. */ |
1986 | | static int |
1987 | | pdf_image_end_image_object(gx_image_enum_common_t * info, bool draw_last) |
1988 | 0 | { |
1989 | 0 | return pdf_image_end_image_data(info, draw_last, USE_AS_MASK); |
1990 | 0 | } |
1991 | | /* End the data of an ImageType 3 image, converting it into pattern. */ |
1992 | | static int |
1993 | | pdf_image_end_image_object2(gx_image_enum_common_t * info, bool draw_last) |
1994 | 0 | { |
1995 | 0 | return pdf_image_end_image_data(info, draw_last, USE_AS_PATTERN); |
1996 | 0 | } |
1997 | | |
1998 | | /* ---------------- Type 3 images ---------------- */ |
1999 | | |
2000 | | /* Implement the mask image device. */ |
2001 | | static dev_proc_begin_typed_image(pdf_mid_begin_typed_image); |
2002 | | static int |
2003 | | pdf_image3_make_mid(gx_device **pmidev, gx_device *dev, int width, int height, |
2004 | | gs_memory_t *mem) |
2005 | 0 | { |
2006 | 0 | gx_device_pdf *pdev = (gx_device_pdf *)dev; |
2007 | |
|
2008 | 0 | if (pdev->CompatibilityLevel < 1.3 && !pdev->PatternImagemask) { |
2009 | 0 | gs_matrix m; |
2010 | 0 | pdf_lcvd_t *cvd = NULL; |
2011 | 0 | int code; |
2012 | |
|
2013 | 0 | gs_make_identity(&m); |
2014 | 0 | code = pdf_setup_masked_image_converter(pdev, mem, &m, &cvd, |
2015 | 0 | true, 0, 0, width, height, true); |
2016 | 0 | if (code < 0) |
2017 | 0 | return code; |
2018 | 0 | cvd->mask->target = (gx_device *)cvd; /* Temporary, just to communicate with |
2019 | | pdf_image3_make_mcde. The latter will reset it. */ |
2020 | 0 | cvd->mask_is_empty = false; |
2021 | 0 | *pmidev = (gx_device *)cvd->mask; |
2022 | 0 | return 0; |
2023 | 0 | } else { |
2024 | 0 | int code = pdf_make_mxd(pmidev, dev, mem); |
2025 | |
|
2026 | 0 | if (code < 0) |
2027 | 0 | return code; |
2028 | 0 | set_dev_proc(*pmidev, begin_typed_image, pdf_mid_begin_typed_image); |
2029 | 0 | return 0; |
2030 | 0 | } |
2031 | 0 | } |
2032 | | static int |
2033 | | pdf_mid_begin_typed_image(gx_device * dev, const gs_gstate * pgs, |
2034 | | const gs_matrix *pmat, const gs_image_common_t *pic, |
2035 | | const gs_int_rect * prect, |
2036 | | const gx_drawing_color * pdcolor, |
2037 | | const gx_clip_path * pcpath, gs_memory_t * mem, |
2038 | | gx_image_enum_common_t ** pinfo) |
2039 | 0 | { |
2040 | | /* The target of the null device is the pdfwrite device. */ |
2041 | 0 | gx_device_pdf *const pdev = (gx_device_pdf *) |
2042 | 0 | ((gx_device_null *)dev)->target; |
2043 | 0 | return pdf_begin_typed_image |
2044 | 0 | (pdev, pgs, pmat, pic, prect, pdcolor, pcpath, mem, pinfo, |
2045 | 0 | PDF_IMAGE_TYPE3_MASK); |
2046 | 0 | } |
2047 | | |
2048 | | /* Implement the mask clip device. */ |
2049 | | static int |
2050 | | pdf_image3_make_mcde(gx_device *dev, const gs_gstate *pgs, |
2051 | | const gs_matrix *pmat, const gs_image_common_t *pic, |
2052 | | const gs_int_rect *prect, const gx_drawing_color *pdcolor, |
2053 | | const gx_clip_path *pcpath, gs_memory_t *mem, |
2054 | | gx_image_enum_common_t **pinfo, |
2055 | | gx_device **pmcdev, gx_device *midev, |
2056 | | gx_image_enum_common_t *pminfo, |
2057 | | const gs_int_point *origin) |
2058 | 0 | { |
2059 | 0 | int code; |
2060 | 0 | gx_device_pdf *pdev = (gx_device_pdf *)dev; |
2061 | |
|
2062 | 0 | if (pdev->CompatibilityLevel < 1.3 && !pdev->PatternImagemask) { |
2063 | | /* pdf_image3_make_mid must set midev with a pdf_lcvd_t instance.*/ |
2064 | 0 | pdf_lcvd_t *cvd = (pdf_lcvd_t *)((gx_device_memory *)midev)->target; |
2065 | |
|
2066 | 0 | ((gx_device_memory *)midev)->target = NULL; |
2067 | 0 | cvd->m = pdev->converting_image_matrix; |
2068 | 0 | cvd->mdev.mapped_x = origin->x; |
2069 | 0 | cvd->mdev.mapped_y = origin->y; |
2070 | 0 | *pmcdev = (gx_device *)&cvd->mdev; |
2071 | 0 | code = gx_default_begin_typed_image |
2072 | 0 | ((gx_device *)&cvd->mdev, pgs, pmat, pic, prect, pdcolor, NULL, mem, |
2073 | 0 | pinfo); |
2074 | 0 | if (code < 0) |
2075 | 0 | return code; |
2076 | 0 | } else { |
2077 | 0 | code = pdf_make_mxd(pmcdev, midev, mem); |
2078 | 0 | if (code < 0) |
2079 | 0 | return code; |
2080 | 0 | code = pdf_begin_typed_image |
2081 | 0 | ((gx_device_pdf *)dev, pgs, pmat, pic, prect, pdcolor, pcpath, mem, |
2082 | 0 | pinfo, PDF_IMAGE_TYPE3_DATA); |
2083 | 0 | if (code < 0) |
2084 | 0 | return code; |
2085 | 0 | } |
2086 | | /* Due to equal image merging, we delay the adding of the "Mask" entry into |
2087 | | a type 3 image dictionary until the mask is completed. |
2088 | | Will do in pdf_end_and_do_image.*/ |
2089 | 0 | return 0; |
2090 | 0 | } |
2091 | | |
2092 | | /* ---------------- Type 3x images ---------------- */ |
2093 | | |
2094 | | /* Implement the mask image device. */ |
2095 | | static int |
2096 | | pdf_image3x_make_mid(gx_device **pmidev, gx_device *dev, int width, int height, |
2097 | | int depth, gs_memory_t *mem) |
2098 | 0 | { |
2099 | 0 | int code = pdf_make_mxd(pmidev, dev, mem); |
2100 | |
|
2101 | 0 | if (code < 0) |
2102 | 0 | return code; |
2103 | 0 | set_dev_proc(*pmidev, begin_typed_image, pdf_mid_begin_typed_image); |
2104 | 0 | return 0; |
2105 | 0 | } |
2106 | | |
2107 | | /* Implement the mask clip device. */ |
2108 | | static int |
2109 | | pdf_image3x_make_mcde(gx_device *dev, const gs_gstate *pgs, |
2110 | | const gs_matrix *pmat, const gs_image_common_t *pic, |
2111 | | const gs_int_rect *prect, |
2112 | | const gx_drawing_color *pdcolor, |
2113 | | const gx_clip_path *pcpath, gs_memory_t *mem, |
2114 | | gx_image_enum_common_t **pinfo, |
2115 | | gx_device **pmcdev, gx_device *midev[2], |
2116 | | gx_image_enum_common_t *pminfo[2], |
2117 | | const gs_int_point origin[2], |
2118 | | const gs_image3x_t *pim) |
2119 | 0 | { |
2120 | 0 | int code; |
2121 | 0 | pdf_image_enum *pmie; |
2122 | 0 | int i; |
2123 | 0 | const gs_image3x_mask_t *pixm; |
2124 | |
|
2125 | 0 | if (midev[0]) { |
2126 | 0 | if (midev[1]) |
2127 | 0 | return_error(gs_error_rangecheck); |
2128 | 0 | i = 0, pixm = &pim->Opacity; |
2129 | 0 | } else if (midev[1]) |
2130 | 0 | i = 1, pixm = &pim->Shape; |
2131 | 0 | else |
2132 | 0 | return_error(gs_error_rangecheck); |
2133 | 0 | code = pdf_make_mxd(pmcdev, midev[i], mem); |
2134 | 0 | if (code < 0) |
2135 | 0 | return code; |
2136 | 0 | code = pdf_begin_typed_image |
2137 | 0 | ((gx_device_pdf *)dev, pgs, pmat, pic, prect, pdcolor, pcpath, mem, |
2138 | 0 | pinfo, PDF_IMAGE_TYPE3_DATA); |
2139 | 0 | if (code < 0) |
2140 | 0 | return code; |
2141 | 0 | if ((*pinfo)->procs != &pdf_image_enum_procs) { |
2142 | | /* We couldn't handle the image. Bail out. */ |
2143 | 0 | gx_image_end(*pinfo, false); |
2144 | 0 | gs_free_object(mem, *pmcdev, "pdf_image3x_make_mcde"); |
2145 | 0 | return_error(gs_error_rangecheck); |
2146 | 0 | } |
2147 | 0 | pmie = (pdf_image_enum *)pminfo[i]; |
2148 | | /* |
2149 | | * Add the SMask entry to the image dictionary, and, if needed, |
2150 | | * the Matte entry to the mask dictionary. |
2151 | | */ |
2152 | 0 | if (pixm->has_Matte) { |
2153 | 0 | gx_device_pdf *pdev = (gx_device_pdf *)dev; |
2154 | 0 | int DoMatte = 0, num_components = |
2155 | 0 | gs_color_space_num_components(pim->ColorSpace); |
2156 | |
|
2157 | 0 | switch (pdev->params.ColorConversionStrategy) { |
2158 | 0 | case ccs_LeaveColorUnchanged: |
2159 | 0 | DoMatte = 1; |
2160 | 0 | break; |
2161 | 0 | case ccs_RGB: |
2162 | 0 | case ccs_sRGB: |
2163 | 0 | if (num_components == 3) |
2164 | 0 | DoMatte = 1; |
2165 | 0 | else |
2166 | 0 | DoMatte = 0; |
2167 | 0 | break; |
2168 | 0 | case ccs_CMYK: |
2169 | 0 | if (num_components == 4) |
2170 | 0 | DoMatte = 1; |
2171 | 0 | else |
2172 | 0 | DoMatte = 0; |
2173 | 0 | break; |
2174 | 0 | case ccs_Gray: |
2175 | 0 | if (num_components == 1) |
2176 | 0 | DoMatte = 1; |
2177 | 0 | else |
2178 | 0 | DoMatte = 0; |
2179 | 0 | break; |
2180 | 0 | case ccs_UseDeviceIndependentColor: |
2181 | 0 | case ccs_UseDeviceIndependentColorForImages: |
2182 | 0 | case ccs_ByObjectType: |
2183 | 0 | default: |
2184 | 0 | DoMatte = 0; |
2185 | 0 | break; |
2186 | 0 | } |
2187 | | |
2188 | 0 | if (DoMatte) { |
2189 | 0 | code = cos_dict_put_c_key_floats((gx_device_pdf *)dev, |
2190 | 0 | (cos_dict_t *)pmie->writer.pres->object, |
2191 | 0 | "/Matte", pixm->Matte, |
2192 | 0 | num_components); |
2193 | 0 | if (code < 0) |
2194 | 0 | return code; |
2195 | 0 | } |
2196 | 0 | } |
2197 | | /* Don't put SMask here because pmie->writer.pres->object may be substituted |
2198 | | * after the image stream is accummulated. pdf_end_and_do_image will set |
2199 | | * SMask with the right value. Bug 690345. |
2200 | | */ |
2201 | 0 | return 0; |
2202 | 0 | } |
2203 | | |
2204 | | pdf_resource_t *pdf_substitute_pattern(pdf_resource_t *pres) |
2205 | 0 | { |
2206 | 0 | pdf_pattern_t *ppat = (pdf_pattern_t *)pres; |
2207 | |
|
2208 | 0 | return (pdf_resource_t *)(ppat->substitute != 0 ? ppat->substitute : ppat); |
2209 | 0 | } |
2210 | | |
2211 | | static int |
2212 | | check_unsubstituted2(gx_device_pdf * pdev, pdf_resource_t *pres0, pdf_resource_t *pres1) |
2213 | 0 | { |
2214 | 0 | pdf_pattern_t *ppat0 = (pdf_pattern_t *)pres0; |
2215 | 0 | pdf_pattern_t *ppat1 = (pdf_pattern_t *)pres1; |
2216 | |
|
2217 | 0 | return (ppat0->substitute == NULL && ppat1->substitute == NULL); |
2218 | 0 | } |
2219 | | |
2220 | | static int |
2221 | | check_unsubstituted1(gx_device_pdf * pdev, pdf_resource_t *pres0) |
2222 | 0 | { |
2223 | 0 | pdf_pattern_t *ppat = (pdf_pattern_t *)pres0; |
2224 | |
|
2225 | 0 | return ppat->substitute != NULL; |
2226 | 0 | } |
2227 | | |
2228 | | /* |
2229 | | The device specific operations - just pattern management. |
2230 | | See gxdevcli.h about return codes. |
2231 | | */ |
2232 | | int |
2233 | | gdev_pdf_dev_spec_op(gx_device *pdev1, int dev_spec_op, void *data, int size) |
2234 | 0 | { |
2235 | 0 | gx_device_pdf *pdev = (gx_device_pdf *)pdev1; |
2236 | 0 | int code=0, force_CTM_change=0; |
2237 | 0 | pdf_resource_t *pres, *pres1; |
2238 | 0 | gx_bitmap_id id = (gx_bitmap_id)size; |
2239 | |
|
2240 | 0 | switch (dev_spec_op) { |
2241 | 0 | case gxdso_pattern_can_accum: |
2242 | 0 | return 1; |
2243 | 0 | case gxdso_pdf_form_name: |
2244 | 0 | if (pdev->PDFFormName) { |
2245 | 0 | gs_free_object(pdev->memory->non_gc_memory, pdev->PDFFormName, "free Name of Form for pdfmark"); |
2246 | 0 | } |
2247 | 0 | pdev->PDFFormName = (char *)gs_alloc_bytes(pdev->memory->non_gc_memory, size + 1, "Name of Form for pdfmark"); |
2248 | 0 | memset(pdev->PDFFormName, 0x00, size + 1); |
2249 | 0 | memcpy(pdev->PDFFormName, data, size); |
2250 | 0 | return 0; |
2251 | 0 | case gxdso_pdf_last_form_ID: |
2252 | 0 | { |
2253 | 0 | int *i = (int *)data; |
2254 | 0 | *i = pdev->LastFormID; |
2255 | 0 | } |
2256 | 0 | return 0; |
2257 | 0 | case gxdso_form_begin: |
2258 | 0 | if ((!pdev->ForOPDFRead || pdev->HighLevelForm == 0) && pdev->PatternDepth == 0) { |
2259 | 0 | gs_form_template_t *tmplate = (gs_form_template_t *)data; |
2260 | 0 | float arry[6]; |
2261 | 0 | cos_dict_t *pcd = NULL, *pcd_Resources = NULL; |
2262 | | |
2263 | | /* Make sure the document and page stream are open */ |
2264 | 0 | code = pdfwrite_pdf_open_document(pdev); |
2265 | 0 | if (code < 0) |
2266 | 0 | return code; |
2267 | 0 | code = pdf_open_contents(pdev, PDF_IN_STREAM); |
2268 | 0 | if (code < 0) |
2269 | 0 | return code; |
2270 | 0 | if (!pdev->PDFFormName) { |
2271 | | /* Put any extant clip out before we start the form */ |
2272 | 0 | code = pdf_put_clip_path(pdev, tmplate->pcpath); |
2273 | 0 | if (code < 0) |
2274 | 0 | return code; |
2275 | | /* Set the CTM to be the one passed in from the interpreter, |
2276 | | * this allows us to spot forms even when translation/rotation takes place |
2277 | | * as we remove the CTN from the form stream before capture |
2278 | | */ |
2279 | 0 | pprintg6(pdev->strm, "q %g %g %g %g %g %g cm\n", tmplate->CTM.xx, tmplate->CTM.xy, |
2280 | 0 | tmplate->CTM.yx, tmplate->CTM.yy, tmplate->CTM.tx, tmplate->CTM.ty); |
2281 | 0 | } |
2282 | | |
2283 | | /* start capturing the form stream */ |
2284 | 0 | code = pdf_enter_substream(pdev, resourceXObject, id, &pres, false, |
2285 | 0 | pdev->CompressStreams); |
2286 | 0 | if (code < 0) |
2287 | 0 | return code; |
2288 | 0 | pcd = cos_stream_dict((cos_stream_t *)pres->object); |
2289 | 0 | pcd_Resources = cos_dict_alloc(pdev, "pdf_pattern(Resources)"); |
2290 | 0 | if (pcd == NULL || pcd_Resources == NULL) |
2291 | 0 | return_error(gs_error_VMerror); |
2292 | 0 | code = cos_dict_put_c_strings(pcd, "/Type", "/XObject"); |
2293 | 0 | if (code >= 0) |
2294 | 0 | code = cos_dict_put_c_strings(pcd, "/Subtype", "/Form"); |
2295 | 0 | if (code >= 0) |
2296 | 0 | code = cos_dict_put_c_strings(pcd, "/FormType", "1"); |
2297 | 0 | if (code >= 0) |
2298 | 0 | code = cos_dict_put_c_key_object(pcd, "/Resources", COS_OBJECT(pcd_Resources)); |
2299 | |
|
2300 | 0 | if (pdev->PDFFormName) { |
2301 | | /* This is not (I think) required when executing PS forms, because the |
2302 | | * CTM is written out before we execute the Form. It *is* required for |
2303 | | * PDF Appearance Forms, because the Form is written directly from the |
2304 | | * outer context, not from the page, so we don't emit the CTM first. |
2305 | | * We want to alter the Form BBox to take any required rotation and scaling |
2306 | | * (from FitPage and /Rotate) into account so that the form appearance is |
2307 | | * properly scaled and rotated. |
2308 | | */ |
2309 | 0 | gs_rect bbox_out; |
2310 | 0 | gs_matrix cmat, new_mat = tmplate->CTM; |
2311 | | |
2312 | | /* We don't want anything left over from the page content stream, or other |
2313 | | * annotation appearances, to affect whether or not we emit any graphics |
2314 | | * state, so reset the state here to the defaults. |
2315 | | */ |
2316 | 0 | pdf_viewer_state_from_gs_gstate(pdev, tmplate->pgs, NULL); |
2317 | | /* For PDF Appearance streams at least, the Form BBox is modified by the |
2318 | | * Form Matrix. |
2319 | | */ |
2320 | 0 | code = gs_matrix_multiply(&tmplate->form_matrix, &tmplate->CTM, &cmat); |
2321 | 0 | if (code < 0) |
2322 | 0 | return code; |
2323 | 0 | code = gs_bbox_transform(&tmplate->BBox, &cmat, &bbox_out); |
2324 | 0 | if (code < 0) |
2325 | 0 | return code; |
2326 | | |
2327 | | /* Check the BBox is on the page. Modify it if it is not (this can happen |
2328 | | * if the MediaBox does not have bottom left at 0,0) |
2329 | | */ |
2330 | 0 | cmat.xx = cmat.yy = 1.0f; |
2331 | 0 | cmat.xy = cmat.yx = cmat.tx = cmat.ty = 0.0f; |
2332 | 0 | if(bbox_out.q.x - bbox_out.p.x > pdev->width) { |
2333 | 0 | cmat.xx = pdev->width / (bbox_out.q.x - bbox_out.p.x); |
2334 | 0 | bbox_out.q.x = bbox_out.p.x + ((bbox_out.q.x - bbox_out.p.x) * cmat.xx); |
2335 | 0 | force_CTM_change = 1; |
2336 | 0 | } |
2337 | 0 | if(bbox_out.q.y - bbox_out.p.y > pdev->height) { |
2338 | 0 | cmat.yy = pdev->height / (bbox_out.q.y - bbox_out.p.y); |
2339 | 0 | bbox_out.q.y = bbox_out.p.y + ((bbox_out.q.y - bbox_out.p.y) * cmat.yy); |
2340 | 0 | force_CTM_change = 1; |
2341 | 0 | } |
2342 | |
|
2343 | 0 | if (bbox_out.p.x < 0) { |
2344 | 0 | cmat.tx = bbox_out.p.x * -1; |
2345 | 0 | bbox_out.q.x += cmat.tx; |
2346 | 0 | force_CTM_change = 1; |
2347 | 0 | } |
2348 | 0 | if (floor(bbox_out.q.x) > pdev->width) { |
2349 | 0 | cmat.tx -= bbox_out.p.x; |
2350 | 0 | bbox_out.q.x -= bbox_out.p.x; |
2351 | 0 | bbox_out.p.x = 0; |
2352 | 0 | force_CTM_change = 1; |
2353 | 0 | } |
2354 | 0 | if (bbox_out.p.y < 0) { |
2355 | 0 | cmat.ty = bbox_out.p.y * -1; |
2356 | 0 | bbox_out.q.y += cmat.ty; |
2357 | 0 | force_CTM_change = 1; |
2358 | 0 | } |
2359 | 0 | if (floor(bbox_out.q.y) > pdev->height) { |
2360 | 0 | cmat.ty += pdev->height - bbox_out.q.y; |
2361 | 0 | force_CTM_change = 1; |
2362 | 0 | } |
2363 | |
|
2364 | 0 | if (force_CTM_change) { |
2365 | 0 | code = gs_matrix_multiply(&tmplate->CTM, &cmat, &new_mat); |
2366 | 0 | if (code < 0) |
2367 | 0 | return code; |
2368 | 0 | code = gs_matrix_multiply(&tmplate->form_matrix, &new_mat, &cmat); |
2369 | 0 | if (code < 0) |
2370 | 0 | return code; |
2371 | 0 | code = gs_bbox_transform(&tmplate->BBox, &cmat, &bbox_out); |
2372 | 0 | if (code < 0) |
2373 | 0 | return code; |
2374 | 0 | tmplate->CTM = cmat; |
2375 | 0 | } |
2376 | 0 | arry[0] = bbox_out.p.x; |
2377 | 0 | arry[1] = bbox_out.p.y; |
2378 | 0 | arry[2] = bbox_out.q.x; |
2379 | 0 | arry[3] = bbox_out.q.y; |
2380 | 0 | if (code >= 0) |
2381 | 0 | code = cos_dict_put_c_key_floats(pdev, pcd, "/BBox", arry, 4); |
2382 | 0 | if (code < 0) |
2383 | 0 | return code; |
2384 | | |
2385 | | /* Note that we will apply the CTM to the form, and the Form Matrix. To prevcent |
2386 | | * us applying the Matrix twice, we need to set it to the identity in the Form |
2387 | | * dictionary. I'm not sure why we don't need to do that for PostScript Forms. |
2388 | | */ |
2389 | 0 | arry[0] = arry[3] = 1.0f; |
2390 | 0 | arry[1] = arry[2] = arry[4] = arry[5] = 0.0f; |
2391 | 0 | } else { |
2392 | 0 | arry[0] = tmplate->BBox.p.x; |
2393 | 0 | arry[1] = tmplate->BBox.p.y; |
2394 | 0 | arry[2] = tmplate->BBox.q.x; |
2395 | 0 | arry[3] = tmplate->BBox.q.y; |
2396 | 0 | if (code >= 0) |
2397 | 0 | code = cos_dict_put_c_key_floats(pdev, pcd, "/BBox", arry, 4); |
2398 | 0 | if (code < 0) |
2399 | 0 | return code; |
2400 | | |
2401 | 0 | arry[0] = tmplate->form_matrix.xx; |
2402 | 0 | arry[1] = tmplate->form_matrix.xy; |
2403 | 0 | arry[2] = tmplate->form_matrix.yx; |
2404 | 0 | arry[3] = tmplate->form_matrix.yy; |
2405 | 0 | arry[4] = tmplate->form_matrix.tx; |
2406 | 0 | arry[5] = tmplate->form_matrix.ty; |
2407 | |
|
2408 | 0 | pprintg2(pdev->strm, "%g 0 0 %g 0 0 cm\n", |
2409 | 0 | 72.0 / pdev->HWResolution[0], 72.0 / pdev->HWResolution[1]); |
2410 | 0 | } |
2411 | | |
2412 | 0 | code = cos_dict_put_c_key_floats(pdev, pcd, "/Matrix", arry, 6); |
2413 | 0 | if (code < 0) |
2414 | 0 | return code; |
2415 | | |
2416 | | /* We'll return this to the interpreter and have it set |
2417 | | * as the CTM, so that we remove the prior CTM before capturing the form. |
2418 | | * This is safe because forms are always run inside a gsave/grestore, so |
2419 | | * CTM will be put back for us. |
2420 | | */ |
2421 | 0 | if (!pdev->PDFFormName) { |
2422 | 0 | tmplate->CTM.xx = pdev->HWResolution[0] / 72; |
2423 | 0 | tmplate->CTM.xy = 0.0; |
2424 | 0 | tmplate->CTM.yx = 0.0; |
2425 | 0 | tmplate->CTM.yy = pdev->HWResolution[0] / 72; |
2426 | 0 | tmplate->CTM.tx = 0.0; |
2427 | 0 | tmplate->CTM.ty = 0.0; |
2428 | |
|
2429 | 0 | pdev->substream_Resources = pcd_Resources; |
2430 | 0 | pres->rid = id; |
2431 | 0 | if (code >= 0) |
2432 | 0 | pdev->HighLevelForm++; |
2433 | 0 | return 1; |
2434 | 0 | } else { |
2435 | | /* For PDF Appearance streams (Forms) we *must* apply the |
2436 | | * CTM. This is because if the PDF has a non-zero Rotate key |
2437 | | * we bake that rotation into the CTM. If we didn't apply that |
2438 | | * then the annotation wouldn't get rotated :-( |
2439 | | */ |
2440 | 0 | pdev->substream_Resources = pcd_Resources; |
2441 | 0 | pres->rid = id; |
2442 | 0 | if (code >= 0) |
2443 | 0 | pdev->HighLevelForm++; |
2444 | 0 | return force_CTM_change; |
2445 | 0 | } |
2446 | 0 | } |
2447 | 0 | return code; |
2448 | 0 | case gxdso_form_end: |
2449 | | /* This test must be the same as the one in gxdso_form_begin, above */ |
2450 | 0 | if ((!pdev->ForOPDFRead || pdev->HighLevelForm == 1) && pdev->PatternDepth == 0) { |
2451 | 0 | if (pdev->CompatibilityLevel <= 1.7) { |
2452 | 0 | code = pdf_add_procsets(pdev->substream_Resources, pdev->procsets); |
2453 | 0 | if (code < 0) |
2454 | 0 | return code; |
2455 | 0 | } |
2456 | 0 | pres = pres1 = pdev->accumulating_substream_resource; |
2457 | 0 | code = pdf_exit_substream(pdev); |
2458 | 0 | if (code < 0) |
2459 | 0 | return code; |
2460 | 0 | code = pdf_find_same_resource(pdev, resourceXObject, &pres, check_unsubstituted2); |
2461 | 0 | if (code < 0) |
2462 | 0 | return code; |
2463 | 0 | if (code > 0) { |
2464 | 0 | code = pdf_cancel_resource(pdev, pres1, resourceXObject); |
2465 | 0 | if (code < 0) |
2466 | 0 | return code; |
2467 | 0 | pres->where_used |= pdev->used_mask; |
2468 | 0 | } else if (pres->object->id < 0) |
2469 | 0 | pdf_reserve_object_id(pdev, pres, 0); |
2470 | 0 | if (pdev->PDFFormName) { |
2471 | 0 | cos_value_t value; |
2472 | |
|
2473 | 0 | code = cos_dict_put(pdev->local_named_objects, (const byte *)pdev->PDFFormName, |
2474 | 0 | strlen(pdev->PDFFormName), cos_object_value(&value, pres->object)); |
2475 | |
|
2476 | 0 | if (code < 0) |
2477 | 0 | return code; |
2478 | 0 | pdf_drop_resource_from_chain(pdev, pres, resourceXObject); |
2479 | |
|
2480 | 0 | gs_free_object(pdev->memory->non_gc_memory, pdev->PDFFormName, "free Name oof Form for pdfmark"); |
2481 | 0 | pdev->PDFFormName = 0x00; |
2482 | 0 | } else { |
2483 | 0 | pprintld1(pdev->strm, "/R%ld Do Q\n", pdf_resource_id(pres)); |
2484 | 0 | } |
2485 | 0 | pdev->HighLevelForm--; |
2486 | 0 | if (pdev->accumulating_substream_resource) { |
2487 | 0 | code = pdf_add_resource(pdev, pdev->substream_Resources, "/XObject", pres); |
2488 | 0 | if (code < 0) |
2489 | 0 | return code; |
2490 | 0 | } |
2491 | 0 | pdev->LastFormID = pdf_resource_id(pres); |
2492 | 0 | } |
2493 | 0 | return 0; |
2494 | 0 | case gxdso_get_form_ID: |
2495 | 0 | { |
2496 | 0 | int *ID = data; |
2497 | 0 | *ID = pdev->LastFormID; |
2498 | 0 | } |
2499 | 0 | return 0; |
2500 | 0 | case gxdso_repeat_form: |
2501 | 0 | { |
2502 | 0 | gs_form_template_t *tmplate = (gs_form_template_t *)data; |
2503 | | |
2504 | | /* Make sure the document and page stream are open */ |
2505 | 0 | code = pdfwrite_pdf_open_document(pdev); |
2506 | 0 | if (code < 0) |
2507 | 0 | return code; |
2508 | 0 | code = pdf_open_contents(pdev, PDF_IN_STREAM); |
2509 | 0 | if (code < 0) |
2510 | 0 | return code; |
2511 | | /* Put any extant clip out before we start the form */ |
2512 | 0 | code = pdf_put_clip_path(pdev, tmplate->pcpath); |
2513 | 0 | if (code < 0) |
2514 | 0 | return code; |
2515 | | /* Set the CTM to be the one passed in from the interpreter, |
2516 | | * this allows us to spot forms even when translation/rotation takes place |
2517 | | * as we remove the CTN from the form stream before capture |
2518 | | */ |
2519 | 0 | pprintg6(pdev->strm, "q %g %g %g %g %g %g cm\n", tmplate->CTM.xx, tmplate->CTM.xy, |
2520 | 0 | tmplate->CTM.yx, tmplate->CTM.yy, tmplate->CTM.tx, tmplate->CTM.ty); |
2521 | 0 | pprintld1(pdev->strm, "/R%ld Do Q\n", tmplate->FormID); |
2522 | 0 | pres = pdf_find_resource_by_resource_id(pdev, resourceXObject, tmplate->FormID); |
2523 | 0 | if (pres == NULL) |
2524 | 0 | return_error(gs_error_undefined); |
2525 | 0 | pres->where_used |= pdev->used_mask; |
2526 | 0 | if (pdev->accumulating_substream_resource) { |
2527 | 0 | code = pdf_add_resource(pdev, pdev->substream_Resources, "/XObject", pres); |
2528 | 0 | if (code < 0) |
2529 | 0 | return code; |
2530 | 0 | } |
2531 | 0 | } |
2532 | 0 | return 0; |
2533 | 0 | case gxdso_pattern_start_accum: |
2534 | 0 | { |
2535 | 0 | pattern_accum_param_s *param = (pattern_accum_param_s *)data; |
2536 | 0 | gs_pattern1_instance_t *pinst = param->pinst; |
2537 | 0 | gs_gstate *pgs = param->graphics_state; |
2538 | |
|
2539 | 0 | id = param->pinst_id; |
2540 | 0 | code = pdf_check_soft_mask(pdev, (gs_gstate *)pgs); |
2541 | 0 | if (code < 0) |
2542 | 0 | return code; |
2543 | 0 | code = pdf_enter_substream(pdev, resourcePattern, id, &pres, false, |
2544 | 0 | pdev->CompressStreams); |
2545 | 0 | if (code < 0) |
2546 | 0 | return code; |
2547 | | /* We have started a new substream, to avoid confusing the 'saved viewer state' |
2548 | | * (the stack of pdfwrite's saved copies of graophics states) we need to reset the |
2549 | | * soft_mask_id, which is the ID of the SMask we have already created in the pdfwrite |
2550 | | * output. The gsave/grestore round the spec_op to start and finish the pattern |
2551 | | * accumulator (see pattern_paint_prepare and pattern_paint_finish) will ensure that |
2552 | | * the ID is restored when we finish capturing the pattern. |
2553 | | */ |
2554 | 0 | pdev->state.soft_mask_id = pgs->soft_mask_id; |
2555 | 0 | pres->rid = id; |
2556 | 0 | code = pdf_store_pattern1_params(pdev, pres, pinst); |
2557 | 0 | if (code < 0) |
2558 | 0 | return code; |
2559 | | /* Scale the coordinate system, because object handlers assume so. See none_to_stream. */ |
2560 | 0 | pprintg2(pdev->strm, "%g 0 0 %g 0 0 cm\n", |
2561 | 0 | 72.0 / pdev->HWResolution[0], 72.0 / pdev->HWResolution[1]); |
2562 | 0 | pdev->PatternDepth++; |
2563 | 0 | pdev->PatternsSinceForm++; |
2564 | 0 | } |
2565 | 0 | return 1; |
2566 | 0 | case gxdso_pattern_finish_accum: |
2567 | 0 | if (pdev->CompatibilityLevel <= 1.7) { |
2568 | 0 | if (pdev->substream_Resources == NULL) { |
2569 | 0 | pdev->substream_Resources = cos_dict_alloc(pdev, "pdf_pattern(Resources)"); |
2570 | 0 | if (pdev->substream_Resources == NULL) |
2571 | 0 | return_error(gs_error_VMerror); |
2572 | 0 | } |
2573 | 0 | code = pdf_add_procsets(pdev->substream_Resources, pdev->procsets); |
2574 | 0 | if (code < 0) |
2575 | 0 | return code; |
2576 | 0 | } |
2577 | 0 | pres = pres1 = pdev->accumulating_substream_resource; |
2578 | 0 | code = pdf_exit_substream(pdev); |
2579 | 0 | if (code < 0) |
2580 | 0 | return code; |
2581 | 0 | if (pdev->substituted_pattern_count > 300 && |
2582 | 0 | pdev->substituted_pattern_drop_page != pdev->next_page) { /* arbitrary */ |
2583 | 0 | pdf_drop_resources(pdev, resourcePattern, check_unsubstituted1); |
2584 | 0 | pdev->substituted_pattern_count = 0; |
2585 | 0 | pdev->substituted_pattern_drop_page = pdev->next_page; |
2586 | 0 | } |
2587 | 0 | code = pdf_find_same_resource(pdev, resourcePattern, &pres, check_unsubstituted2); |
2588 | 0 | if (code < 0) |
2589 | 0 | return code; |
2590 | 0 | if (code > 0) { |
2591 | 0 | pdf_pattern_t *ppat = (pdf_pattern_t *)pres1; |
2592 | |
|
2593 | 0 | code = pdf_cancel_resource(pdev, pres1, resourcePattern); |
2594 | 0 | if (code < 0) |
2595 | 0 | return code; |
2596 | | /* Do not remove pres1, because it keeps the substitution. */ |
2597 | 0 | ppat->substitute = (pdf_pattern_t *)pres; |
2598 | 0 | pres->where_used |= pdev->used_mask; |
2599 | 0 | pdev->substituted_pattern_count++; |
2600 | 0 | } else if (pres->object->id < 0) |
2601 | 0 | pdf_reserve_object_id(pdev, pres, 0); |
2602 | 0 | pdev->PatternDepth--; |
2603 | 0 | pdev->PatternsSinceForm--; |
2604 | 0 | return 1; |
2605 | 0 | case gxdso_pattern_load: |
2606 | 0 | pres = pdf_find_resource_by_gs_id(pdev, resourcePattern, id); |
2607 | 0 | if (pres == 0) |
2608 | 0 | return 0; |
2609 | 0 | pres = pdf_substitute_pattern(pres); |
2610 | 0 | pres->where_used |= pdev->used_mask; |
2611 | 0 | code = pdf_add_resource(pdev, pdev->substream_Resources, "/Pattern", pres); |
2612 | 0 | if (code < 0) |
2613 | 0 | return code; |
2614 | 0 | return 1; |
2615 | 0 | case gxdso_pattern_shading_area: |
2616 | 0 | return 0; |
2617 | 0 | case gxdso_pattern_is_cpath_accum: |
2618 | 0 | return 0; |
2619 | 0 | case gxdso_pattern_shfill_doesnt_need_path: |
2620 | 0 | return 0; /* gdev_pdf_fill_path still does need a path. */ |
2621 | 0 | case gxdso_pattern_handles_clip_path: |
2622 | | /* This is important when the default implementation of |
2623 | | of fill_path is called due to a failure in setcolor |
2624 | | or so, for example when a shading is incorrect. |
2625 | | The test case is the unfixed (buggy) Genoa test 446-01.ps . |
2626 | | In this case pdfwrite converts the object into rectangles, |
2627 | | and the clipping device has to be set up. */ |
2628 | 0 | return 0; |
2629 | 0 | case gxdso_supports_hlcolor: |
2630 | | /* This is used due to some aliasing between the rect_hl color |
2631 | | filling used by pdfwrite vs. that used by the planar device |
2632 | | which is actually a devn vs. the pattern type for pdfwrite. |
2633 | | We use this to distingush between the two */ |
2634 | 0 | return 1; |
2635 | 0 | case gxdso_needs_invariant_palette: |
2636 | | /* Indicates that it is not permissible to change /Indexed colour space |
2637 | | * palette entries after the colour space has been set. |
2638 | | */ |
2639 | 0 | return 1; |
2640 | 0 | case gxdso_JPEG_passthrough_query: |
2641 | 0 | pdev->JPEG_PassThrough = pdev->params.PassThroughJPEGImages; |
2642 | 0 | return 1; |
2643 | 0 | break; |
2644 | 0 | case gxdso_JPEG_passthrough_begin: |
2645 | 0 | return 0; |
2646 | 0 | break; |
2647 | 0 | case gxdso_JPEG_passthrough_data: |
2648 | 0 | if (pdev->JPEG_PassThrough && pdev->PassThroughWriter) |
2649 | 0 | { |
2650 | 0 | uint ignore; |
2651 | 0 | if (sputs(pdev->PassThroughWriter, |
2652 | 0 | data, size, |
2653 | 0 | &ignore) < 0) |
2654 | 0 | return_error(gs_error_ioerror); |
2655 | 0 | } |
2656 | 0 | return 0; |
2657 | 0 | break; |
2658 | 0 | case gxdso_JPEG_passthrough_end: |
2659 | 0 | pdev->JPEG_PassThrough = 0; |
2660 | 0 | pdev->PassThroughWriter = 0; |
2661 | 0 | return 0; |
2662 | 0 | break; |
2663 | 0 | case gxdso_event_info: |
2664 | 0 | { |
2665 | 0 | dev_param_req_t *request = (dev_param_req_t *)data; |
2666 | 0 | if (memcmp(request->Param, "SubstitutedFont", 15) == 0 && pdev->PDFA) { |
2667 | 0 | switch (pdev->PDFACompatibilityPolicy) { |
2668 | 0 | case 0: |
2669 | 0 | case 1: |
2670 | 0 | emprintf(pdev->memory, |
2671 | 0 | "\n **** A font missing from the input PDF has been substituted with a different font.\n\tWidths may differ, reverting to normal PDF output!\n"); |
2672 | 0 | pdev->AbortPDFAX = true; |
2673 | 0 | pdev->PDFX = 0; |
2674 | 0 | break; |
2675 | 0 | case 2: |
2676 | 0 | emprintf(pdev->memory, |
2677 | 0 | "\n **** A font missing from the input PDF has been substituted with a different font.\n\tWidths may differ, aborting conversion!\n"); |
2678 | 0 | pdev->AbortPDFAX = true; |
2679 | 0 | pdev->PDFX = 0; |
2680 | 0 | return gs_note_error(gs_error_unknownerror); |
2681 | 0 | break; |
2682 | 0 | default: |
2683 | 0 | emprintf(pdev->memory, |
2684 | 0 | "\n **** A font missing from the input PDF has been substituted with a different font.\n\tWidths may differ, unknown PDFACompatibilityPolicy, reverting to normal PDF output!\n"); |
2685 | 0 | pdev->AbortPDFAX = true; |
2686 | 0 | pdev->PDFX = 0; |
2687 | 0 | break; |
2688 | 0 | } |
2689 | 0 | } |
2690 | 0 | return 0; |
2691 | 0 | } |
2692 | 0 | break; |
2693 | 0 | case gxdso_get_dev_param: |
2694 | 0 | { |
2695 | 0 | int code; |
2696 | 0 | dev_param_req_t *request = (dev_param_req_t *)data; |
2697 | 0 | code = gdev_pdf_get_param(pdev1, request->Param, request->list); |
2698 | 0 | if (code != gs_error_undefined) |
2699 | 0 | return code; |
2700 | 0 | } |
2701 | | /* Fall through */ |
2702 | 0 | } |
2703 | 0 | return gx_default_dev_spec_op(pdev1, dev_spec_op, data, size); |
2704 | 0 | } |