55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef UI_GFX_GTK_UTIL_H_
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#define UI_GFX_GTK_UTIL_H_
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#include <vector>
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#include "base/time/time.h"
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#include "ui/gfx/gfx_export.h"
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typedef struct _GdkPixbuf GdkPixbuf;
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typedef struct _GdkRegion GdkRegion;
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typedef struct _GdkCursor GdkCursor;
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class SkBitmap;
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namespace base {
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class CommandLine;
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}
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namespace gfx {
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class Rect;
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// Call gtk_init() / gdk_init() using the argc and argv from command_line.
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// These init functions want an argc and argv that they can mutate; we provide
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// those, but leave the original CommandLine unaltered.
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GFX_EXPORT void GtkInitFromCommandLine(const base::CommandLine& command_line);
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GFX_EXPORT void GdkInitFromCommandLine(const base::CommandLine& command_line);
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// Convert and copy a SkBitmap to a GdkPixbuf. NOTE: this uses BGRAToRGBA, so
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// it is an expensive operation. The returned GdkPixbuf will have a refcount of
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// 1, and the caller is responsible for unrefing it when done.
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GFX_EXPORT GdkPixbuf* GdkPixbufFromSkBitmap(const SkBitmap& bitmap);
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// Modify the given region by subtracting the given rectangles.
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GFX_EXPORT void SubtractRectanglesFromRegion(GdkRegion* region,
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const std::vector<Rect>& cutouts);
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// Returns a static instance of a GdkCursor* object, sharable across the
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// process. Caller must gdk_cursor_ref() it if they want to assume ownership.
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GFX_EXPORT GdkCursor* GetCursor(int type);
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// Initialize some GTK settings so that our dialogs are consistent.
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GFX_EXPORT void InitRCStyles();
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// Queries GtkSettings for the cursor blink cycle time. Returns a 0 duration if
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// blinking is disabled.
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GFX_EXPORT base::TimeDelta GetCursorBlinkCycle();
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} // namespace gfx
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#endif // UI_GFX_GTK_UTIL_H_
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