/src/FreeRDP/libfreerdp/gdi/gdi.h
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1 | | /** |
2 | | * FreeRDP: A Remote Desktop Protocol Implementation |
3 | | * GDI Library |
4 | | * |
5 | | * Copyright 2010-2011 Marc-Andre Moreau <marcandre.moreau@gmail.com> |
6 | | * |
7 | | * Licensed under the Apache License, Version 2.0 (the "License"); |
8 | | * you may not use this file except in compliance with the License. |
9 | | * You may obtain a copy of the License at |
10 | | * |
11 | | * http://www.apache.org/licenses/LICENSE-2.0 |
12 | | * |
13 | | * Unless required by applicable law or agreed to in writing, software |
14 | | * distributed under the License is distributed on an "AS IS" BASIS, |
15 | | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
16 | | * See the License for the specific language governing permissions and |
17 | | * limitations under the License. |
18 | | */ |
19 | | |
20 | | #ifndef FREERDP_LIB_GDI_CORE_H |
21 | | #define FREERDP_LIB_GDI_CORE_H |
22 | | |
23 | | #include "graphics.h" |
24 | | #include "brush.h" |
25 | | |
26 | | #include <freerdp/api.h> |
27 | | |
28 | | FREERDP_LOCAL BOOL gdi_bitmap_update(rdpContext* context, const BITMAP_UPDATE* bitmapUpdate); |
29 | | |
30 | | FREERDP_LOCAL gdiBitmap* gdi_bitmap_new_ex(rdpGdi* gdi, int width, int height, int bpp, BYTE* data); |
31 | | FREERDP_LOCAL void gdi_bitmap_free_ex(gdiBitmap* gdi_bmp); |
32 | | |
33 | | static INLINE BYTE* gdi_get_bitmap_pointer(HGDI_DC hdcBmp, INT32 x, INT32 y) |
34 | 0 | { |
35 | 0 | BYTE* p = NULL; |
36 | 0 | HGDI_BITMAP hBmp = (HGDI_BITMAP)hdcBmp->selectedObject; |
37 | |
|
38 | 0 | if ((x >= 0) && (y >= 0) && (x < hBmp->width) && (y < hBmp->height)) |
39 | 0 | { |
40 | 0 | p = hBmp->data + (y * hBmp->scanline) + (x * FreeRDPGetBytesPerPixel(hdcBmp->format)); |
41 | 0 | return p; |
42 | 0 | } |
43 | 0 | else |
44 | 0 | { |
45 | 0 | WLog_ERR(FREERDP_TAG("gdi"), |
46 | 0 | "gdi_get_bitmap_pointer: requesting invalid pointer: (%" PRIu32 ",%" PRIu32 |
47 | 0 | ") in %" PRIu32 "x%" PRIu32 "", |
48 | 0 | x, y, hBmp->width, hBmp->height); |
49 | 0 | return 0; |
50 | 0 | } |
51 | 0 | } Unexecuted instantiation: bitmap.c:gdi_get_bitmap_pointer Unexecuted instantiation: gdi.c:gdi_get_bitmap_pointer Unexecuted instantiation: shape.c:gdi_get_bitmap_pointer |
52 | | |
53 | | /** |
54 | | * Get current color in brush bitmap according to dest coordinates. msdn{dd183396} |
55 | | * |
56 | | * @param x dest x-coordinate |
57 | | * @param y dest y-coordinate |
58 | | * @return color pointer |
59 | | */ |
60 | | static INLINE BYTE* gdi_get_brush_pointer(HGDI_DC hdcBrush, UINT32 x, UINT32 y) |
61 | 0 | { |
62 | 0 | BYTE* p = NULL; |
63 | 0 | UINT32 brushStyle = gdi_GetBrushStyle(hdcBrush); |
64 | |
|
65 | 0 | switch (brushStyle) |
66 | 0 | { |
67 | 0 | case GDI_BS_PATTERN: |
68 | 0 | case GDI_BS_HATCHED: |
69 | 0 | { |
70 | 0 | HGDI_BITMAP hBmpBrush = hdcBrush->brush->pattern; |
71 | | /* According to msdn{dd183396}, the system always positions a brush bitmap |
72 | | * at the brush origin and copy across the client area. |
73 | | * Calculate the offset of the mapped pixel in the brush bitmap according to |
74 | | * brush origin and dest coordinates */ |
75 | 0 | x = (x + hBmpBrush->width - (hdcBrush->brush->nXOrg % hBmpBrush->width)) % |
76 | 0 | hBmpBrush->width; |
77 | 0 | y = (y + hBmpBrush->height - (hdcBrush->brush->nYOrg % hBmpBrush->height)) % |
78 | 0 | hBmpBrush->height; |
79 | 0 | p = hBmpBrush->data + (y * hBmpBrush->scanline) + |
80 | 0 | (x * FreeRDPGetBytesPerPixel(hBmpBrush->format)); |
81 | 0 | return p; |
82 | 0 | } |
83 | 0 | break; |
84 | | |
85 | 0 | default: |
86 | 0 | break; |
87 | 0 | } |
88 | | |
89 | 0 | p = (BYTE*)&(hdcBrush->textColor); |
90 | 0 | return p; |
91 | 0 | } Unexecuted instantiation: bitmap.c:gdi_get_brush_pointer Unexecuted instantiation: gdi.c:gdi_get_brush_pointer Unexecuted instantiation: shape.c:gdi_get_brush_pointer |
92 | | |
93 | | #endif /* FREERDP_LIB_GDI_CORE_H */ |