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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef UI_GFX_GDI_UTIL_H_ | 5 #ifndef UI_GFX_GDI_UTIL_H_ |
6 #define UI_GFX_GDI_UTIL_H_ | 6 #define UI_GFX_GDI_UTIL_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 #include <windows.h> | 9 #include <windows.h> |
10 | 10 |
11 #include "ui/gfx/gfx_export.h" | 11 #include "ui/gfx/gfx_export.h" |
12 #include "ui/gfx/rect.h" | 12 #include "ui/gfx/rect.h" |
13 #include "ui/gfx/path.h" | 13 #include "ui/gfx/path.h" |
14 | 14 |
15 namespace gfx { | 15 namespace gfx { |
16 | 16 |
17 // Creates a BITMAPINFOHEADER structure given the bitmap's size. | 17 // Creates a BITMAPINFOHEADER structure given the bitmap's size. |
18 GFX_EXPORT void CreateBitmapHeader(int width, int height, | 18 GFX_EXPORT void CreateBitmapHeader(int width, int height, |
19 BITMAPINFOHEADER* hdr); | 19 BITMAPINFOHEADER* hdr); |
20 | 20 |
21 // Creates a BITMAPINFOHEADER structure given the bitmap's size and | |
22 // color depth in bits per pixel. | |
23 void CreateBitmapHeaderWithColorDepth(int width, int height, int color_depth, | |
24 BITMAPINFOHEADER* hdr); | |
25 | |
26 // Creates a BITMAPV4HEADER structure given the bitmap's size. You probably | 21 // Creates a BITMAPV4HEADER structure given the bitmap's size. You probably |
27 // only need to use BMP V4 if you need transparency (alpha channel). This | 22 // only need to use BMP V4 if you need transparency (alpha channel). This |
28 // function sets the AlphaMask to 0xff000000. | 23 // function sets the AlphaMask to 0xff000000. |
29 GFX_EXPORT void CreateBitmapV4Header(int width, int height, | 24 GFX_EXPORT void CreateBitmapV4Header(int width, int height, |
30 BITMAPV4HEADER* hdr); | 25 BITMAPV4HEADER* hdr); |
31 | 26 |
32 // Creates a monochrome bitmap header. | 27 // Creates a monochrome bitmap header. |
33 void CreateMonochromeBitmapHeader(int width, int height, BITMAPINFOHEADER* hdr); | 28 void CreateMonochromeBitmapHeader(int width, int height, BITMAPINFOHEADER* hdr); |
34 | 29 |
35 // Modify the given hrgn by subtracting the given rectangles. | 30 // Modify the given hrgn by subtracting the given rectangles. |
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46 GFX_EXPORT bool ScaleDC(HDC dc, double scale_factor); | 41 GFX_EXPORT bool ScaleDC(HDC dc, double scale_factor); |
47 | 42 |
48 GFX_EXPORT void StretchDIBits(HDC hdc, | 43 GFX_EXPORT void StretchDIBits(HDC hdc, |
49 int dest_x, int dest_y, int dest_w, int dest_h, | 44 int dest_x, int dest_y, int dest_w, int dest_h, |
50 int src_x, int src_y, int src_w, int src_h, | 45 int src_x, int src_y, int src_w, int src_h, |
51 void* pixels, const BITMAPINFO* bitmap_info); | 46 void* pixels, const BITMAPINFO* bitmap_info); |
52 | 47 |
53 } // namespace gfx | 48 } // namespace gfx |
54 | 49 |
55 #endif // UI_GFX_GDI_UTIL_H_ | 50 #endif // UI_GFX_GDI_UTIL_H_ |
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