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Diffstat (limited to 'ui/gfx/canvas_paint_gtk.h')
-rw-r--r-- | ui/gfx/canvas_paint_gtk.h | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/ui/gfx/canvas_paint_gtk.h b/ui/gfx/canvas_paint_gtk.h deleted file mode 100644 index 487db79f..0000000 --- a/ui/gfx/canvas_paint_gtk.h +++ /dev/null @@ -1,102 +0,0 @@ - -// 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_CANVAS_PAINT_LINUX_H_ -#define UI_GFX_CANVAS_PAINT_LINUX_H_ - -#include "base/logging.h" -#include "skia/ext/platform_canvas.h" -#include "ui/gfx/canvas.h" -#include <gdk/gdk.h> - -namespace gfx { - -// A class designed to translate skia painting into a region in a GdkWindow. -// On construction, it will set up a context for painting into, and on -// destruction, it will commit it to the GdkWindow. -// Note: The created context is always inialized to (0, 0, 0, 0). -class GFX_EXPORT CanvasSkiaPaint : public Canvas { - public: - // This constructor assumes the result is opaque. - explicit CanvasSkiaPaint(GdkEventExpose* event); - CanvasSkiaPaint(GdkEventExpose* event, bool opaque); - virtual ~CanvasSkiaPaint(); - - // Sets whether the bitmap is composited in such a way that the alpha channel - // is honored. This is only useful if you've enabled an RGBA colormap on the - // widget. The default is false. - void set_composite_alpha(bool composite_alpha) { - composite_alpha_ = composite_alpha; - } - - // Returns true if the invalid region is empty. The caller should call this - // function to determine if anything needs painting. - bool is_empty() const { - return gdk_region_empty(region_); - } - - GdkRectangle rectangle() const { - GdkRectangle bounds; - gdk_region_get_clipbox(region_, &bounds); - return bounds; - } - - private: - void Init(bool opaque); - - cairo_t* context_; - GdkWindow* window_; - GdkRegion* region_; - // See description above setter. - bool composite_alpha_; - - // Disallow copy and assign. - CanvasSkiaPaint(const CanvasSkiaPaint&); - CanvasSkiaPaint& operator=(const CanvasSkiaPaint&); -}; - -// A class designed to translate skia painting into a region in a Cairo context. -// On construction, it will set up a context for painting into, and on -// destruction, it will commit it to the Cairo context. If there are any -// transformations applied to the Cairo context, they will affect the drawing. -class GFX_EXPORT CanvasSkiaPaintCairo : public Canvas { - public: - CanvasSkiaPaintCairo(cairo_t* cairo, Size size, bool opaque); - virtual ~CanvasSkiaPaintCairo(); - - // Sets whether the bitmap is composited in such a way that the alpha channel - // is honored. This is only useful if you've enabled an RGBA colormap on the - // widget. The default is false. - void set_composite_alpha(bool composite_alpha) { - composite_alpha_ = composite_alpha; - } - - // Returns true if size of the drawing region is empty. The caller should call - // this function to determine if anything needs painting. - bool is_empty() const { - return size_.IsEmpty(); - } - - Size size() const { - return size_; - } - - private: - void Init(bool opaque); - - cairo_t* context_; - cairo_t* dest_; - Size size_; - // See description above setter. - bool composite_alpha_; - - // Disallow copy and assign. - CanvasSkiaPaintCairo(const CanvasSkiaPaintCairo&); - CanvasSkiaPaintCairo& operator=(const CanvasSkiaPaintCairo&); -}; - -} // namespace gfx - -#endif // UI_GFX_CANVAS_PAINT_LINUX_H_ |