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