widget/gtk/WindowSurfaceX11Image.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef _MOZILLA_WIDGET_GTK_WINDOW_SURFACE_X11_IMAGE_H
   8 #define _MOZILLA_WIDGET_GTK_WINDOW_SURFACE_X11_IMAGE_H
   9
  10 #ifdef MOZ_X11
  11
  12 #  include <glib.h>
  13 #  include "WindowSurfaceX11.h"
  14 #  include "gfxXlibSurface.h"
  15 #  include "gfxImageSurface.h"
  16
  17 namespace mozilla {
  18 namespace widget {
  19
  20 class WindowSurfaceX11Image : public WindowSurfaceX11 {
  21  public:
  22   WindowSurfaceX11Image(Display* aDisplay, Window aWindow, Visual* aVisual,
  23                         unsigned int aDepth, bool aIsShaped);
  24   ~WindowSurfaceX11Image();
  25
  26   already_AddRefed<gfx::DrawTarget> Lock(
  27       const LayoutDeviceIntRegion& aRegion) override;
  28   void Commit(const LayoutDeviceIntRegion& aInvalidRegion) override;
  29   bool IsFallback() const override { return true; }
  30
  31  private:
  32   void ResizeTransparencyBitmap(int aWidth, int aHeight);
  33   void ApplyTransparencyBitmap();
  34
  35   RefPtr<gfxXlibSurface> mWindowSurface;
  36   RefPtr<gfxImageSurface> mImageSurface;
  37
  38   gchar* mTransparencyBitmap;
  39   int32_t mTransparencyBitmapWidth;
  40   int32_t mTransparencyBitmapHeight;
  41   bool mIsShaped;
  42   Window mWindowParent;
  43 };
  44
  45 }  // namespace widget
  46 }  // namespace mozilla
  47
  48 #endif  // MOZ_X11
  49 #endif  // _MOZILLA_WIDGET_GTK_WINDOW_SURFACE_X11_IMAGE_H