| // Copyright (c) 2012 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 CHROME_BROWSER_UI_LIBGTK2UI_SKIA_UTILS_GTK2_H_ |
| #define CHROME_BROWSER_UI_LIBGTK2UI_SKIA_UTILS_GTK2_H_ |
| |
| #include "third_party/skia/include/core/SkColor.h" |
| |
| typedef struct _GdkColor GdkColor; |
| typedef struct _GdkPixbuf GdkPixbuf; |
| |
| class SkBitmap; |
| |
| // Define a macro for creating GdkColors from RGB values. This is a macro to |
| // allow static construction of literals, etc. Use this like: |
| // GdkColor white = GDK_COLOR_RGB(0xff, 0xff, 0xff); |
| #define GDK_COLOR_RGB(r, g, b) {0, r * ::libgtk2ui::kSkiaToGDKMultiplier, \ |
| g * ::libgtk2ui::kSkiaToGDKMultiplier, \ |
| b * ::libgtk2ui::kSkiaToGDKMultiplier} |
| |
| namespace libgtk2ui { |
| |
| // Multiply uint8 color components by this. |
| const int kSkiaToGDKMultiplier = 257; |
| |
| // Converts GdkColors to the ARGB layout Skia expects. |
| SkColor GdkColorToSkColor(GdkColor color); |
| |
| // Converts ARGB to GdkColor. |
| GdkColor SkColorToGdkColor(SkColor color); |
| |
| const SkBitmap GdkPixbufToImageSkia(GdkPixbuf* pixbuf); |
| |
| // Convert and copy a SkBitmap to a GdkPixbuf. NOTE: this uses BGRAToRGBA, so |
| // it is an expensive operation. The returned GdkPixbuf will have a refcount of |
| // 1, and the caller is responsible for unrefing it when done. |
| GdkPixbuf* GdkPixbufFromSkBitmap(const SkBitmap& bitmap); |
| |
| } // namespace libgtk2ui |
| |
| #endif // CHROME_BROWSER_UI_LIBGTK2UI_SKIA_UTILS_GTK2_H_ |