/src/ghostpdl/base/gdevdsha.c

Source (jump to first uncovered line)
/* Copyright (C) 2001-2024 Artifex Software, Inc.
   All Rights Reserved.

   This software is provided AS-IS with no warranty, either express or
   implied.

   This software is distributed under license and may not be copied,
   modified or distributed except as expressly authorized under the terms
   of the license contained in the file LICENSE in this distribution.

   Refer to licensing information at http://www.artifex.com or contact
   Artifex Software, Inc.,  39 Mesa Street, Suite 108A, San Francisco,
   CA 94129, USA, for further information.
*/

/* Default shading drawing device procedures. */

#include "gx.h"
#include "gserrors.h"
#include "gxdevice.h"
#include "gxcindex.h"
#include "gxdevsop.h"

static bool
gx_devn_diff(frac31 devn1[], frac31 devn2[], int num)
{
    int k;

    for (k = 0; k < num; k++) {
        if (devn1[k] != devn2[k]) {
            return true;
        }
    }
    return false;
}

int
gx_hl_fill_linear_color_scanline(gx_device *dev, const gs_fill_attributes *fa,
        int i0, int j, int w, const frac31 *c0, const int32_t *c0f,
        const int32_t *cg_num, int32_t cg_den)
{
    frac31 c[GX_DEVICE_COLOR_MAX_COMPONENTS];
    frac31 curr[GX_DEVICE_COLOR_MAX_COMPONENTS];
    ulong f[GX_DEVICE_COLOR_MAX_COMPONENTS];
    int i, i1 = i0 + w, bi = i0, k;
    const gx_device_color_info *cinfo = &dev->color_info;
    int n = cinfo->num_components;
    int si, ei, di, code;
    gs_fixed_rect rect;
    gx_device_color devc;

    /* Note: All the stepping math is done with frac color values */

    devc.type = gx_dc_type_devn;

    if (j < fixed2int(fa->clip->p.y) ||
            j > fixed2int_ceiling(fa->clip->q.y)) /* Must be compatible to the clipping logic. */
        return 0;
    for (k = 0; k < n; k++) {
        curr[k] = c[k] = c0[k];
        f[k] = c0f[k];
    }
    for (i = i0 + 1, di = 1; i < i1; i += di) {
        if (di == 1) {
            /* Advance colors by 1 pixel. */
            for (k = 0; k < n; k++) {
                if (cg_num[k]) {
                    int32_t m = f[k] + cg_num[k];

                    c[k] += m / cg_den;
                    m -= m / cg_den * cg_den;
                    if (m < 0) {
                        c[k]--;
                        m += cg_den;
                    }
                    f[k] = m;
                }
            }
        } else {
            /* Advance colors by di pixels. */
            for (k = 0; k < n; k++) {
                if (cg_num[k]) {
                    int64_t M = f[k] + (int64_t)cg_num[k] * di;
                    int32_t m;

                    c[k] += (frac31)(M / cg_den);
                    m = (int32_t)(M - M / cg_den * cg_den);
                    if (m < 0) {
                        c[k]--;
                        m += cg_den;
                    }
                    f[k] = m;
                }
            }
        }
        if (gx_devn_diff(c, curr, n)) {
            si = max(bi, fixed2int(fa->clip->p.x));     /* Must be compatible to the clipping logic. */
            ei = min(i, fixed2int_ceiling(fa->clip->q.x));  /* Must be compatible to the clipping logic. */
            if (si < ei) {
                if (fa->swap_axes) {
                    rect.p.x = int2fixed(j);
                    rect.p.y = int2fixed(si);
                    rect.q.x = int2fixed(j + 1);
                    rect.q.y = int2fixed(ei);
                } else {
                    rect.p.x = int2fixed(si);
                    rect.p.y = int2fixed(j);
                    rect.q.x = int2fixed(ei);
                    rect.q.y = int2fixed(j + 1);
                }
                for (k = 0; k < n; k++) {
                    devc.colors.devn.values[k] = frac312cv(curr[k]);
                }
                devc.tag = device_current_tag(dev);
                code = dev_proc(dev, fill_rectangle_hl_color) (dev, &rect, NULL, &devc, NULL);
                if (code < 0)
                    return code;
            }
            bi = i;
            for (k = 0; k < n; k++) {
                curr[k] = c[k];
            }
            di = 1;
        } else if (i == i1) {
            i++;
            break;
        } else {
            /* Compute a color change pixel analytically. */
            di = i1 - i;
            for (k = 0; k < n; k++) {
                int32_t a;
                int64_t x;
                frac31 v = 1 << (31 - cinfo->comp_bits[k]); /* Color index precision in frac31. */
                frac31 u = c[k] & (v - 1);

                if (cg_num[k] == 0) {
                    /* No change. */
                    continue;
                } if (cg_num[k] > 0) {
                    /* Solve[(f[k] + cg_num[k]*x)/cg_den == v - u, x]  */
                    a = v - u;
                } else {
                    /* Solve[(f[k] + cg_num[k]*x)/cg_den == - u - 1, x]  */
                    a = -u - 1;
                }
                x = ((int64_t)a * cg_den - f[k]) / cg_num[k];
                if (i + x >= i1)
                    continue;
                else if (x < 0)
                    return_error(gs_error_unregistered); /* Must not happen. */
                else if (di > (int)x) {
                    di = (int)x;
                    if (di <= 1) {
                        di = 1;
                        break;
                    }
                }
            }
        }
    }
    si = max(bi, fixed2int(fa->clip->p.x));     /* Must be compatible to the clipping logic. */
    ei = min(i, fixed2int_ceiling(fa->clip->q.x));  /* Must be compatible to the clipping logic. */
    if (si < ei) {
        if (fa->swap_axes) {
            rect.p.x = int2fixed(j);
            rect.p.y = int2fixed(si);
            rect.q.x = int2fixed(j + 1);
            rect.q.y = int2fixed(ei);
        } else {
            rect.p.x = int2fixed(si);
            rect.p.y = int2fixed(j);
            rect.q.x = int2fixed(ei);
            rect.q.y = int2fixed(j + 1);
        }
        for (k = 0; k < n; k++) {
            devc.colors.devn.values[k] = frac312cv(curr[k]);
        }
        devc.tag = device_current_tag(dev);
        return dev_proc(dev, fill_rectangle_hl_color) (dev, &rect, NULL, &devc, NULL);
    }
    return 0;
}

int
gx_default_fill_linear_color_scanline(gx_device *dev, const gs_fill_attributes *fa,
        int i0, int j, int w,
        const frac31 *c0, const int32_t *c0f, const int32_t *cg_num, int32_t cg_den)
{
    /* This default implementation decomposes the area into constant color rectangles.
       Devices may supply optimized implementations with
       the inversed nesting of the i,k cicles,
       i.e. with enumerating planes first, with a direct writing to the raster,
       and with a fixed bits per component.
     */
    /* First determine if we are doing high level style colors or pure colors */
    bool devn = dev_proc(dev, dev_spec_op)(dev, gxdso_supports_devn, NULL, 0);
    frac31 c[GX_DEVICE_COLOR_MAX_COMPONENTS];
    ulong f[GX_DEVICE_COLOR_MAX_COMPONENTS];
    int i, i1 = i0 + w, bi = i0, k;
    gx_color_index ci0 = 0, ci1;
    const gx_device_color_info *cinfo = &dev->color_info;
    int n = cinfo->num_components;
    int si, ei, di, code;

    /* Todo: set this up to vector earlier */
    if (devn)  /* Note, PDF14 could be additive and doing devn */
        return gx_hl_fill_linear_color_scanline(dev, fa, i0, j, w, c0, c0f,
                                                cg_num, cg_den);
    if (j < fixed2int(fa->clip->p.y) ||
            j > fixed2int_ceiling(fa->clip->q.y)) /* Must be compatible to the clipping logic. */
        return 0;
    for (k = 0; k < n; k++) {
        int shift = cinfo->comp_shift[k];
        int bits = cinfo->comp_bits[k];

        c[k] = c0[k];
        f[k] = c0f[k];
        ci0 |= (gx_color_index)(c[k] >> (sizeof(c[k]) * 8 - 1 - bits)) << shift;
    }
    for (i = i0 + 1, di = 1; i < i1; i += di) {
        if (di == 1) {
            /* Advance colors by 1 pixel. */
            ci1 = 0;
            for (k = 0; k < n; k++) {
                int shift = cinfo->comp_shift[k];
                int bits = cinfo->comp_bits[k];

                if (cg_num[k]) {
                    int32_t m = f[k] + cg_num[k];

                    c[k] += m / cg_den;
                    m -= m / cg_den * cg_den;
                    if (m < 0) {
                        c[k]--;
                        m += cg_den;
                    }
                    f[k] = m;
                }
                ci1 |= (gx_color_index)(c[k] >> (sizeof(c[k]) * 8 - 1 - bits)) << shift;
            }
        } else {
            /* Advance colors by di pixels. */
            ci1 = 0;
            for (k = 0; k < n; k++) {
                int shift = cinfo->comp_shift[k];
                int bits = cinfo->comp_bits[k];

                if (cg_num[k]) {
                    int64_t M = f[k] + (int64_t)cg_num[k] * di;
                    int32_t m;

                    c[k] += (frac31)(M / cg_den);
                    m = (int32_t)(M - M / cg_den * cg_den);
                    if (m < 0) {
                        c[k]--;
                        m += cg_den;
                    }
                    f[k] = m;
                }
                ci1 |= (gx_color_index)(c[k] >> (sizeof(c[k]) * 8 - 1 - bits)) << shift;
            }
        }
        if (ci1 != ci0) {
            si = max(bi, fixed2int(fa->clip->p.x));     /* Must be compatible to the clipping logic. */
            ei = min(i, fixed2int_ceiling(fa->clip->q.x));  /* Must be compatible to the clipping logic. */
            if (si < ei) {
                if (fa->swap_axes) {
                    code = dev_proc(dev, fill_rectangle)(dev, j, si, 1, ei - si, ci0);
                } else {
                    code = dev_proc(dev, fill_rectangle)(dev, si, j, ei - si, 1, ci0);
                }
                if (code < 0)
                    return code;
            }
            bi = i;
            ci0 = ci1;
            di = 1;
        } else if (i == i1) {
            i++;
            break;
        } else {
            /* Compute a color change pixel analitically. */
            di = i1 - i;
            for (k = 0; k < n; k++) {
                int32_t a;
                int64_t x;
                frac31 v = 1 << (31 - cinfo->comp_bits[k]); /* Color index precision in frac31. */
                frac31 u = c[k] & (v - 1);

                if (cg_num[k] == 0) {
                    /* No change. */
                    continue;
                } if (cg_num[k] > 0) {
                    /* Solve[(f[k] + cg_num[k]*x)/cg_den == v - u, x]  */
                    a = v - u;
                } else {
                    /* Solve[(f[k] + cg_num[k]*x)/cg_den == - u - 1, x]  */
                    a = -u - 1;
                }
                x = ((int64_t)a * cg_den - f[k]) / cg_num[k];
                if (i + x >= i1)
                    continue;
                else if (x < 0)
                    return_error(gs_error_unregistered); /* Must not happen. */
                else if (di > (int)x) {
                    di = (int)x;
                    if (di <= 1) {
                        di = 1;
                        break;
                    }
                }
            }
        }
    }
    si = max(bi, fixed2int(fa->clip->p.x));     /* Must be compatible to the clipping logic. */
    ei = min(i, fixed2int_ceiling(fa->clip->q.x));  /* Must be compatible to the clipping logic. */
    if (si < ei) {
        if (fa->swap_axes) {
            return dev_proc(dev, fill_rectangle)(dev, j, si, 1, ei - si, ci0);
        } else {
            return dev_proc(dev, fill_rectangle)(dev, si, j, ei - si, 1, ci0);
        }
    }
    return 0;
}

Coverage Report

Created: 2025-06-10 07:26

Line	Count	Source (jump to first uncovered line)
1		/* Copyright (C) 2001-2024 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., 39 Mesa Street, Suite 108A, San Francisco,
13		CA 94129, USA, for further information.
14		*/
15
16		/* Default shading drawing device procedures. */
17
18		#include "gx.h"
19		#include "gserrors.h"
20		#include "gxdevice.h"
21		#include "gxcindex.h"
22		#include "gxdevsop.h"
23
24		static bool
25		gx_devn_diff(frac31 devn1[], frac31 devn2[], int num)
26	0	{
27	0	int k;
28
29	0	for (k = 0; k < num; k++) {
30	0	if (devn1[k] != devn2[k]) {
31	0	return true;
32	0	}
33	0	}
34	0	return false;
35	0	}
36
37		int
38		gx_hl_fill_linear_color_scanline(gx_device dev, const gs_fill_attributes fa,
39		int i0, int j, int w, const frac31 c0, const int32_t c0f,
40		const int32_t *cg_num, int32_t cg_den)
41	0	{
42	0	frac31 c[GX_DEVICE_COLOR_MAX_COMPONENTS];
43	0	frac31 curr[GX_DEVICE_COLOR_MAX_COMPONENTS];
44	0	ulong f[GX_DEVICE_COLOR_MAX_COMPONENTS];
45	0	int i, i1 = i0 + w, bi = i0, k;
46	0	const gx_device_color_info *cinfo = &dev->color_info;
47	0	int n = cinfo->num_components;
48	0	int si, ei, di, code;
49	0	gs_fixed_rect rect;
50	0	gx_device_color devc;
51
52		/* Note: All the stepping math is done with frac color values */
53
54	0	devc.type = gx_dc_type_devn;
55
56	0	if (j < fixed2int(fa->clip->p.y) \|\|
57	0	j > fixed2int_ceiling(fa->clip->q.y)) /* Must be compatible to the clipping logic. */
58	0	return 0;
59	0	for (k = 0; k < n; k++) {
60	0	curr[k] = c[k] = c0[k];
61	0	f[k] = c0f[k];
62	0	}
63	0	for (i = i0 + 1, di = 1; i < i1; i += di) {
64	0	if (di == 1) {
65		/* Advance colors by 1 pixel. */
66	0	for (k = 0; k < n; k++) {
67	0	if (cg_num[k]) {
68	0	int32_t m = f[k] + cg_num[k];
69
70	0	c[k] += m / cg_den;
71	0	m -= m / cg_den * cg_den;
72	0	if (m < 0) {
73	0	c[k]--;
74	0	m += cg_den;
75	0	}
76	0	f[k] = m;
77	0	}
78	0	}
79	0	} else {
80		/* Advance colors by di pixels. */
81	0	for (k = 0; k < n; k++) {
82	0	if (cg_num[k]) {
83	0	int64_t M = f[k] + (int64_t)cg_num[k] * di;
84	0	int32_t m;
85
86	0	c[k] += (frac31)(M / cg_den);
87	0	m = (int32_t)(M - M / cg_den * cg_den);
88	0	if (m < 0) {
89	0	c[k]--;
90	0	m += cg_den;
91	0	}
92	0	f[k] = m;
93	0	}
94	0	}
95	0	}
96	0	if (gx_devn_diff(c, curr, n)) {
97	0	si = max(bi, fixed2int(fa->clip->p.x)); /* Must be compatible to the clipping logic. */
98	0	ei = min(i, fixed2int_ceiling(fa->clip->q.x)); /* Must be compatible to the clipping logic. */
99	0	if (si < ei) {
100	0	if (fa->swap_axes) {
101	0	rect.p.x = int2fixed(j);
102	0	rect.p.y = int2fixed(si);
103	0	rect.q.x = int2fixed(j + 1);
104	0	rect.q.y = int2fixed(ei);
105	0	} else {
106	0	rect.p.x = int2fixed(si);
107	0	rect.p.y = int2fixed(j);
108	0	rect.q.x = int2fixed(ei);
109	0	rect.q.y = int2fixed(j + 1);
110	0	}
111	0	for (k = 0; k < n; k++) {
112	0	devc.colors.devn.values[k] = frac312cv(curr[k]);
113	0	}
114	0	devc.tag = device_current_tag(dev);
115	0	code = dev_proc(dev, fill_rectangle_hl_color) (dev, &rect, NULL, &devc, NULL);
116	0	if (code < 0)
117	0	return code;
118	0	}
119	0	bi = i;
120	0	for (k = 0; k < n; k++) {
121	0	curr[k] = c[k];
122	0	}
123	0	di = 1;
124	0	} else if (i == i1) {
125	0	i++;
126	0	break;
127	0	} else {
128		/* Compute a color change pixel analytically. */
129	0	di = i1 - i;
130	0	for (k = 0; k < n; k++) {
131	0	int32_t a;
132	0	int64_t x;
133	0	frac31 v = 1 << (31 - cinfo->comp_bits[k]); /* Color index precision in frac31. */
134	0	frac31 u = c[k] & (v - 1);
135
136	0	if (cg_num[k] == 0) {
137		/* No change. */
138	0	continue;
139	0	} if (cg_num[k] > 0) {
140		/* Solve[(f[k] + cg_num[k]x)/cg_den == v - u, x] /
141	0	a = v - u;
142	0	} else {
143		/* Solve[(f[k] + cg_num[k]x)/cg_den == - u - 1, x] /
144	0	a = -u - 1;
145	0	}
146	0	x = ((int64_t)a * cg_den - f[k]) / cg_num[k];
147	0	if (i + x >= i1)
148	0	continue;
149	0	else if (x < 0)
150	0	return_error(gs_error_unregistered); /* Must not happen. */
151	0	else if (di > (int)x) {
152	0	di = (int)x;
153	0	if (di <= 1) {
154	0	di = 1;
155	0	break;
156	0	}
157	0	}
158	0	}
159	0	}
160	0	}
161	0	si = max(bi, fixed2int(fa->clip->p.x)); /* Must be compatible to the clipping logic. */
162	0	ei = min(i, fixed2int_ceiling(fa->clip->q.x)); /* Must be compatible to the clipping logic. */
163	0	if (si < ei) {
164	0	if (fa->swap_axes) {
165	0	rect.p.x = int2fixed(j);
166	0	rect.p.y = int2fixed(si);
167	0	rect.q.x = int2fixed(j + 1);
168	0	rect.q.y = int2fixed(ei);
169	0	} else {
170	0	rect.p.x = int2fixed(si);
171	0	rect.p.y = int2fixed(j);
172	0	rect.q.x = int2fixed(ei);
173	0	rect.q.y = int2fixed(j + 1);
174	0	}
175	0	for (k = 0; k < n; k++) {
176	0	devc.colors.devn.values[k] = frac312cv(curr[k]);
177	0	}
178	0	devc.tag = device_current_tag(dev);
179	0	return dev_proc(dev, fill_rectangle_hl_color) (dev, &rect, NULL, &devc, NULL);
180	0	}
181	0	return 0;
182	0	}
183
184		int
185		gx_default_fill_linear_color_scanline(gx_device dev, const gs_fill_attributes fa,
186		int i0, int j, int w,
187		const frac31 c0, const int32_t c0f, const int32_t *cg_num, int32_t cg_den)
188	236k	{
189		/* This default implementation decomposes the area into constant color rectangles.
190		Devices may supply optimized implementations with
191		the inversed nesting of the i,k cicles,
192		i.e. with enumerating planes first, with a direct writing to the raster,
193		and with a fixed bits per component.
194		*/
195		/* First determine if we are doing high level style colors or pure colors */
196	236k	bool devn = dev_proc(dev, dev_spec_op)(dev, gxdso_supports_devn, NULL, 0);
197	236k	frac31 c[GX_DEVICE_COLOR_MAX_COMPONENTS];
198	236k	ulong f[GX_DEVICE_COLOR_MAX_COMPONENTS];
199	236k	int i, i1 = i0 + w, bi = i0, k;
200	236k	gx_color_index ci0 = 0, ci1;
201	236k	const gx_device_color_info *cinfo = &dev->color_info;
202	236k	int n = cinfo->num_components;
203	236k	int si, ei, di, code;
204
205		/* Todo: set this up to vector earlier */
206	236k	if (devn) /* Note, PDF14 could be additive and doing devn */
207	0	return gx_hl_fill_linear_color_scanline(dev, fa, i0, j, w, c0, c0f,
208	0	cg_num, cg_den);
209	236k	if (j < fixed2int(fa->clip->p.y) \|\|
210	236k	j > fixed2int_ceiling(fa->clip->q.y)) /* Must be compatible to the clipping logic. */
211	0	return 0;
212	544k	for (k = 0; k < n; k++) {
213	307k	int shift = cinfo->comp_shift[k];
214	307k	int bits = cinfo->comp_bits[k];
215
216	307k	c[k] = c0[k];
217	307k	f[k] = c0f[k];
218	307k	ci0 \|= (gx_color_index)(c[k] >> (sizeof(c[k]) * 8 - 1 - bits)) << shift;
219	307k	}
220	2.68M	for (i = i0 + 1, di = 1; i < i1; i += di) {
221	2.44M	if (di == 1) {
222		/* Advance colors by 1 pixel. */
223	2.37M	ci1 = 0;
224	4.74M	for (k = 0; k < n; k++) {
225	2.37M	int shift = cinfo->comp_shift[k];
226	2.37M	int bits = cinfo->comp_bits[k];
227
228	2.37M	if (cg_num[k]) {
229	2.36M	int32_t m = f[k] + cg_num[k];
230
231	2.36M	c[k] += m / cg_den;
232	2.36M	m -= m / cg_den * cg_den;
233	2.36M	if (m < 0) {
234	1.16M	c[k]--;
235	1.16M	m += cg_den;
236	1.16M	}
237	2.36M	f[k] = m;
238	2.36M	}
239	2.37M	ci1 \|= (gx_color_index)(c[k] >> (sizeof(c[k]) * 8 - 1 - bits)) << shift;
240	2.37M	}
241	2.37M	} else {
242		/* Advance colors by di pixels. */
243	73.3k	ci1 = 0;
244	146k	for (k = 0; k < n; k++) {
245	73.3k	int shift = cinfo->comp_shift[k];
246	73.3k	int bits = cinfo->comp_bits[k];
247
248	73.3k	if (cg_num[k]) {
249	73.3k	int64_t M = f[k] + (int64_t)cg_num[k] * di;
250	73.3k	int32_t m;
251
252	73.3k	c[k] += (frac31)(M / cg_den);
253	73.3k	m = (int32_t)(M - M / cg_den * cg_den);
254	73.3k	if (m < 0) {
255	0	c[k]--;
256	0	m += cg_den;
257	0	}
258	73.3k	f[k] = m;
259	73.3k	}
260	73.3k	ci1 \|= (gx_color_index)(c[k] >> (sizeof(c[k]) * 8 - 1 - bits)) << shift;
261	73.3k	}
262	73.3k	}
263	2.44M	if (ci1 != ci0) {
264	807k	si = max(bi, fixed2int(fa->clip->p.x)); /* Must be compatible to the clipping logic. */
265	807k	ei = min(i, fixed2int_ceiling(fa->clip->q.x)); /* Must be compatible to the clipping logic. */
266	807k	if (si < ei) {
267	807k	if (fa->swap_axes) {
268	0	code = dev_proc(dev, fill_rectangle)(dev, j, si, 1, ei - si, ci0);
269	807k	} else {
270	807k	code = dev_proc(dev, fill_rectangle)(dev, si, j, ei - si, 1, ci0);
271	807k	}
272	807k	if (code < 0)
273	0	return code;
274	807k	}
275	807k	bi = i;
276	807k	ci0 = ci1;
277	807k	di = 1;
278	1.63M	} else if (i == i1) {
279	0	i++;
280	0	break;
281	1.63M	} else {
282		/* Compute a color change pixel analitically. */
283	1.63M	di = i1 - i;
284	1.78M	for (k = 0; k < n; k++) {
285	1.64M	int32_t a;
286	1.64M	int64_t x;
287	1.64M	frac31 v = 1 << (31 - cinfo->comp_bits[k]); /* Color index precision in frac31. */
288	1.64M	frac31 u = c[k] & (v - 1);
289
290	1.64M	if (cg_num[k] == 0) {
291		/* No change. */
292	6.83k	continue;
293	1.63M	} if (cg_num[k] > 0) {
294		/* Solve[(f[k] + cg_num[k]x)/cg_den == v - u, x] /
295	669k	a = v - u;
296	965k	} else {
297		/* Solve[(f[k] + cg_num[k]x)/cg_den == - u - 1, x] /
298	965k	a = -u - 1;
299	965k	}
300	1.63M	x = ((int64_t)a * cg_den - f[k]) / cg_num[k];
301	1.63M	if (i + x >= i1)
302	62.3k	continue;
303	1.57M	else if (x < 0)
304	0	return_error(gs_error_unregistered); /* Must not happen. */
305	1.57M	else if (di > (int)x) {
306	1.57M	di = (int)x;
307	1.57M	if (di <= 1) {
308	1.49M	di = 1;
309	1.49M	break;
310	1.49M	}
311	1.57M	}
312	1.63M	}
313	1.63M	}
314	2.44M	}
315	236k	si = max(bi, fixed2int(fa->clip->p.x)); /* Must be compatible to the clipping logic. */
316	236k	ei = min(i, fixed2int_ceiling(fa->clip->q.x)); /* Must be compatible to the clipping logic. */
317	236k	if (si < ei) {
318	234k	if (fa->swap_axes) {
319	32.7k	return dev_proc(dev, fill_rectangle)(dev, j, si, 1, ei - si, ci0);
320	201k	} else {
321	201k	return dev_proc(dev, fill_rectangle)(dev, si, j, ei - si, 1, ci0);
322	201k	}
323	234k	}
324	2.66k	return 0;
325	236k	}