widget/gtk/nsImageToPixbuf.h

   1 /* vim:set sw=2 sts=2 et cin: */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef NSIMAGETOPIXBUF_H_
   7 #define NSIMAGETOPIXBUF_H_
   8
   9 #include "mozilla/Attributes.h"
  10 #include "mozilla/Maybe.h"
  11 #include "mozilla/RefPtr.h"
  12 #include "nsSize.h"
  13
  14 class imgIContainer;
  15 typedef struct _GdkPixbuf GdkPixbuf;
  16
  17 namespace mozilla::gfx {
  18 class SourceSurface;
  19 }  // namespace mozilla::gfx
  20
  21 class nsImageToPixbuf final {
  22   using SourceSurface = mozilla::gfx::SourceSurface;
  23
  24  public:
  25   // Friendlier version of ConvertImageToPixbuf for callers inside of
  26   // widget
  27   static already_AddRefed<GdkPixbuf> ImageToPixbuf(
  28       imgIContainer* aImage,
  29       const mozilla::Maybe<nsIntSize>& aOverrideSize = mozilla::Nothing());
  30   static already_AddRefed<GdkPixbuf> SourceSurfaceToPixbuf(
  31       SourceSurface* aSurface, int32_t aWidth, int32_t aHeight);
  32
  33  private:
  34   ~nsImageToPixbuf() = default;
  35 };
  36
  37 #endif