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_GTK_UTIL_H_ 6 #define UI_GFX_GTK_UTIL_H_ 7 8 #include <vector> 9 10 #include "base/time/time.h" 11 #include "ui/base/ui_export.h" 12 13 typedef struct _GdkPixbuf GdkPixbuf; 14 typedef struct _GdkRegion GdkRegion; 15 typedef struct _GdkCursor GdkCursor; 16 17 class CommandLine; 18 class SkBitmap; 19 20 namespace gfx { 21 22 class Rect; 23 24 // Call gtk_init() / gdk_init() using the argc and argv from command_line. 25 // These init functions want an argc and argv that they can mutate; we provide 26 // those, but leave the original CommandLine unaltered. 27 UI_EXPORT void GtkInitFromCommandLine(const CommandLine& command_line); 28 UI_EXPORT void GdkInitFromCommandLine(const CommandLine& command_line); 29 30 // Convert and copy a SkBitmap to a GdkPixbuf. NOTE: this uses BGRAToRGBA, so 31 // it is an expensive operation. The returned GdkPixbuf will have a refcount of 32 // 1, and the caller is responsible for unrefing it when done. 33 UI_EXPORT GdkPixbuf* GdkPixbufFromSkBitmap(const SkBitmap& bitmap); 34 35 // Modify the given region by subtracting the given rectangles. 36 UI_EXPORT void SubtractRectanglesFromRegion(GdkRegion* region, 37 const std::vector<Rect>& cutouts); 38 39 // Returns a static instance of a GdkCursor* object, sharable across the 40 // process. Caller must gdk_cursor_ref() it if they want to assume ownership. 41 UI_EXPORT GdkCursor* GetCursor(int type); 42 43 // Initialize some GTK settings so that our dialogs are consistent. 44 UI_EXPORT void InitRCStyles(); 45 46 // Queries GtkSettings for the cursor blink cycle time. Returns a 0 duration if 47 // blinking is disabled. 48 UI_EXPORT base::TimeDelta GetCursorBlinkCycle(); 49 50 } // namespace gfx 51 52 #endif // UI_GFX_GTK_UTIL_H_ 53
