// Copyright (c) 2011 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_
#pragma once

#include <glib-object.h>
#include <stdint.h>

#include <string>
#include <vector>

#include "base/memory/scoped_ptr.h"
#include "ui/base/ui_export.h"
#include "ui/gfx/linux_util.h"

typedef struct _GdkPixbuf GdkPixbuf;
typedef struct _GdkRegion GdkRegion;
typedef struct _GdkCursor GdkCursor;

class CommandLine;
class SkBitmap;

namespace gfx {

class Rect;

// Call gtk_init() using the argc and argv from command_line.
// gtk_init() wants an argc and argv that it can mutate; we provide those,
// but leave the original CommandLine unaltered.
UI_EXPORT void GtkInitFromCommandLine(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();

}  // namespace gfx

#endif  // UI_GFX_GTK_UTIL_H_