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Issue 854713003: More old files deletion. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Fix tryjobs? Created 5 years, 11 months ago
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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
3 // found in the LICENSE file.
4
5 #ifndef UI_GFX_GDI_UTIL_H_
6 #define UI_GFX_GDI_UTIL_H_
7
8 #include <vector>
9 #include <windows.h>
10
11 #include "ui/gfx/gfx_export.h"
12 #include "ui/gfx/rect.h"
13 #include "ui/gfx/path.h"
14
15 namespace gfx {
16
17 // Creates a BITMAPINFOHEADER structure given the bitmap's size.
18 GFX_EXPORT void CreateBitmapHeader(int width, int height,
19 BITMAPINFOHEADER* hdr);
20
21 // Creates a BITMAPV4HEADER structure given the bitmap's size. You probably
22 // only need to use BMP V4 if you need transparency (alpha channel). This
23 // function sets the AlphaMask to 0xff000000.
24 GFX_EXPORT void CreateBitmapV4Header(int width, int height,
25 BITMAPV4HEADER* hdr);
26
27 // Creates a monochrome bitmap header.
28 void CreateMonochromeBitmapHeader(int width, int height, BITMAPINFOHEADER* hdr);
29
30 // Modify the given hrgn by subtracting the given rectangles.
31 GFX_EXPORT void SubtractRectanglesFromRegion(
32 HRGN hrgn,
33 const std::vector<gfx::Rect>& cutouts);
34
35 GFX_EXPORT HRGN ConvertPathToHRGN(const gfx::Path& path);
36
37 // Calculate scale to fit an entire page on DC.
38 GFX_EXPORT float CalculatePageScale(HDC dc, int page_width, int page_height);
39
40 // Apply scaling to the DC.
41 GFX_EXPORT bool ScaleDC(HDC dc, float scale_factor);
42
43 GFX_EXPORT void StretchDIBits(HDC hdc,
44 int dest_x, int dest_y, int dest_w, int dest_h,
45 int src_x, int src_y, int src_w, int src_h,
46 void* pixels, const BITMAPINFO* bitmap_info);
47
48 } // namespace gfx
49
50 #endif // UI_GFX_GDI_UTIL_H_
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