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 "nsSize.h"
12 
13 class imgIContainer;
14 typedef struct _GdkPixbuf GdkPixbuf;
15 
16 namespace mozilla::gfx {
17 class SourceSurface;
18 }  // namespace mozilla::gfx
19 
20 class nsImageToPixbuf final {
21   using SourceSurface = mozilla::gfx::SourceSurface;
22 
23  public:
24   // Friendlier version of ConvertImageToPixbuf for callers inside of
25   // widget
26   /**
27    * The return value of all these, if not null, should be
28    * released as needed by the caller using g_object_unref.
29    */
30   static GdkPixbuf* ImageToPixbuf(
31       imgIContainer* aImage,
32       const mozilla::Maybe<nsIntSize>& aOverrideSize = mozilla::Nothing());
33   static GdkPixbuf* SourceSurfaceToPixbuf(SourceSurface* aSurface,
34                                           int32_t aWidth, int32_t aHeight);
35 
36  private:
37   ~nsImageToPixbuf() = default;
38 };
39 
40 #endif
41