| // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef SKIA_EXT_SKIA_UTILS_WIN_H_ |
| #define SKIA_EXT_SKIA_UTILS_WIN_H_ |
| |
| #include "third_party/skia/include/core/SkBitmap.h" |
| #include "third_party/skia/include/core/SkColor.h" |
| #include "third_party/skia/include/core/SkMatrix.h" |
| #include "third_party/skia/include/core/SkRefCnt.h" |
| |
| #include "build/build_config.h" |
| #include <windows.h> |
| |
| struct SkIRect; |
| struct SkPoint; |
| struct SkRect; |
| class SkSurface; |
| typedef unsigned long DWORD; |
| typedef DWORD COLORREF; |
| typedef struct tagPOINT POINT; |
| typedef struct tagRECT RECT; |
| |
| namespace skia { |
| |
| // Converts a Skia point to a Windows POINT. |
| POINT SkPointToPOINT(const SkPoint& point); |
| |
| // Converts a Windows RECT to a Skia rect. |
| SkRect RECTToSkRect(const RECT& rect); |
| |
| // Converts a Windows RECT to a Skia rect. |
| // Both use same in-memory format. Verified by static_assert in |
| // skia_utils_win.cc. |
| inline const SkIRect& RECTToSkIRect(const RECT& rect) { |
| return reinterpret_cast<const SkIRect&>(rect); |
| } |
| |
| // Converts a Skia rect to a Windows RECT. |
| // Both use same in-memory format. Verified by static_assert in |
| // skia_utils_win.cc. |
| inline const RECT& SkIRectToRECT(const SkIRect& rect) { |
| return reinterpret_cast<const RECT&>(rect); |
| } |
| |
| // Converts COLORREFs (0BGR) to the ARGB layout Skia expects. |
| SK_API SkColor COLORREFToSkColor(COLORREF color); |
| |
| // Converts ARGB to COLORREFs (0BGR). |
| SK_API COLORREF SkColorToCOLORREF(SkColor color); |
| |
| // Initializes the default settings and colors in a device context. |
| SK_API void InitializeDC(HDC context); |
| |
| // Converts scale, skew, and translation to Windows format and sets it on the |
| // HDC. |
| SK_API void LoadTransformToDC(HDC dc, const SkMatrix& matrix); |
| |
| // Copies |src_rect| from source into destination. |
| // Takes a potentially-slower path if |is_opaque| is false. |
| // Sets |transform| on source afterwards! |
| SK_API void CopyHDC(HDC source, HDC destination, int x, int y, bool is_opaque, |
| const RECT& src_rect, const SkMatrix& transform); |
| |
| // Creates a surface writing to the pixels backing |context|'s bitmap. |
| // Returns null on error. |
| SK_API sk_sp<SkSurface> MapPlatformSurface(HDC context); |
| |
| // Creates a bitmap backed by the same pixels backing the HDC's bitmap. |
| // Returns an empty bitmap on error. |
| SK_API SkBitmap MapPlatformBitmap(HDC context); |
| |
| // Fills in a BITMAPINFOHEADER structure given the bitmap's size. |
| SK_API void CreateBitmapHeader(int width, int height, BITMAPINFOHEADER* hdr); |
| |
| SK_API HBITMAP CreateHBitmap(int width, int height, bool is_opaque, |
| HANDLE shared_section = nullptr, |
| void** data = nullptr); |
| |
| } // namespace skia |
| |
| #endif // SKIA_EXT_SKIA_UTILS_WIN_H_ |
| |