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// 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 UI_GFX_GTK_UTIL_H_
#define UI_GFX_GTK_UTIL_H_
#include <vector>
#include "base/time.h"
#include "ui/base/ui_export.h"
typedef struct _GdkPixbuf GdkPixbuf;
typedef struct _GdkRegion GdkRegion;
typedef struct _GdkCursor GdkCursor;
class CommandLine;
class SkBitmap;
namespace gfx {
class Rect;
// Call gtk_init() / gdk_init() using the argc and argv from command_line.
// These init functions want an argc and argv that they can mutate; we provide
// those, but leave the original CommandLine unaltered.
UI_EXPORT void GtkInitFromCommandLine(const CommandLine& command_line);
UI_EXPORT void GdkInitFromCommandLine(const CommandLine& command_line);
// 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.
UI_EXPORT GdkPixbuf* GdkPixbufFromSkBitmap(const SkBitmap& bitmap);
// Modify the given region by subtracting the given rectangles.
UI_EXPORT void SubtractRectanglesFromRegion(GdkRegion* region,
const std::vector<Rect>& cutouts);
// Returns a static instance of a GdkCursor* object, sharable across the
// process. Caller must gdk_cursor_ref() it if they want to assume ownership.
UI_EXPORT GdkCursor* GetCursor(int type);
// Initialize some GTK settings so that our dialogs are consistent.
UI_EXPORT void InitRCStyles();
// Queries GtkSettings for the cursor blink cycle time. Returns a 0 duration if
// blinking is disabled.
UI_EXPORT base::TimeDelta GetCursorBlinkCycle();
} // namespace gfx
#endif // UI_GFX_GTK_UTIL_H_
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