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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 UI_EXPORT void CreateBitmapHeader(int width, int height, BITMAPINFOHEADER* hdr); | 18 GFX_EXPORT void CreateBitmapHeader(int width, int height, |
| 19 BITMAPINFOHEADER* hdr); |
19 | 20 |
20 // Creates a BITMAPINFOHEADER structure given the bitmap's size and | 21 // Creates a BITMAPINFOHEADER structure given the bitmap's size and |
21 // color depth in bits per pixel. | 22 // color depth in bits per pixel. |
22 void CreateBitmapHeaderWithColorDepth(int width, int height, int color_depth, | 23 void CreateBitmapHeaderWithColorDepth(int width, int height, int color_depth, |
23 BITMAPINFOHEADER* hdr); | 24 BITMAPINFOHEADER* hdr); |
24 | 25 |
25 // Creates a BITMAPV4HEADER structure given the bitmap's size. You probably | 26 // Creates a BITMAPV4HEADER structure given the bitmap's size. You probably |
26 // only need to use BMP V4 if you need transparency (alpha channel). This | 27 // only need to use BMP V4 if you need transparency (alpha channel). This |
27 // function sets the AlphaMask to 0xff000000. | 28 // function sets the AlphaMask to 0xff000000. |
28 UI_EXPORT void CreateBitmapV4Header(int width, int height, BITMAPV4HEADER* hdr); | 29 GFX_EXPORT void CreateBitmapV4Header(int width, int height, |
| 30 BITMAPV4HEADER* hdr); |
29 | 31 |
30 // Creates a monochrome bitmap header. | 32 // Creates a monochrome bitmap header. |
31 void CreateMonochromeBitmapHeader(int width, int height, BITMAPINFOHEADER* hdr); | 33 void CreateMonochromeBitmapHeader(int width, int height, BITMAPINFOHEADER* hdr); |
32 | 34 |
33 // Modify the given hrgn by subtracting the given rectangles. | 35 // Modify the given hrgn by subtracting the given rectangles. |
34 UI_EXPORT void SubtractRectanglesFromRegion( | 36 GFX_EXPORT void SubtractRectanglesFromRegion( |
35 HRGN hrgn, | 37 HRGN hrgn, |
36 const std::vector<gfx::Rect>& cutouts); | 38 const std::vector<gfx::Rect>& cutouts); |
37 | 39 |
38 UI_EXPORT HRGN ConvertPathToHRGN(const gfx::Path& path); | 40 GFX_EXPORT HRGN ConvertPathToHRGN(const gfx::Path& path); |
39 | 41 |
40 // Calculate scale to fit an entire page on DC. | 42 // Calculate scale to fit an entire page on DC. |
41 UI_EXPORT double CalculatePageScale(HDC dc, int page_width, int page_height); | 43 GFX_EXPORT double CalculatePageScale(HDC dc, int page_width, int page_height); |
42 | 44 |
43 // Apply scaling to the DC. | 45 // Apply scaling to the DC. |
44 UI_EXPORT bool ScaleDC(HDC dc, double scale_factor); | 46 GFX_EXPORT bool ScaleDC(HDC dc, double scale_factor); |
45 | 47 |
46 UI_EXPORT void StretchDIBits(HDC hdc, | 48 GFX_EXPORT void StretchDIBits(HDC hdc, |
47 int dest_x, int dest_y, int dest_w, int dest_h, | 49 int dest_x, int dest_y, int dest_w, int dest_h, |
48 int src_x, int src_y, int src_w, int src_h, | 50 int src_x, int src_y, int src_w, int src_h, |
49 void* pixels, const BITMAPINFO* bitmap_info); | 51 void* pixels, const BITMAPINFO* bitmap_info); |
50 | 52 |
51 } // namespace gfx | 53 } // namespace gfx |
52 | 54 |
53 #endif // UI_GFX_GDI_UTIL_H_ | 55 #endif // UI_GFX_GDI_UTIL_H_ |
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