1 files changed, 47 insertions, 0 deletions
diff --git a/widget/gtk/nsImageToPixbuf.h b/widget/gtk/nsImageToPixbuf.h
new file mode 100644
index 0000000000..3f30201ac5
--- /dev/null
+++ b/widget/gtk/nsImageToPixbuf.h
@@ -0,0 +1,47 @@
+/* vim:set sw=2 sts=2 et cin: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef NSIMAGETOPIXBUF_H_
+#define NSIMAGETOPIXBUF_H_
+
+#include "nsIImageToPixbuf.h"
+#include "mozilla/Attributes.h"
+
+namespace mozilla {
+namespace gfx {
+class SourceSurface;
+}
+}  // namespace mozilla
+
+class nsImageToPixbuf final : public nsIImageToPixbuf {
+  typedef mozilla::gfx::SourceSurface SourceSurface;
+
+ public:
+  NS_DECL_ISUPPORTS
+  NS_IMETHOD_(GdkPixbuf*) ConvertImageToPixbuf(imgIContainer* aImage) override;
+
+  // Friendlier version of ConvertImageToPixbuf for callers inside of
+  // widget
+  /**
+   * The return value of all these, if not null, should be
+   * released as needed by the caller using g_object_unref.
+   */
+  static GdkPixbuf* ImageToPixbuf(imgIContainer* aImage);
+  static GdkPixbuf* SourceSurfaceToPixbuf(SourceSurface* aSurface,
+                                          int32_t aWidth, int32_t aHeight);
+
+ private:
+  ~nsImageToPixbuf() = default;
+};
+
+// fc2389b8-c650-4093-9e42-b05e5f0685b7
+#define NS_IMAGE_TO_PIXBUF_CID                       \
+  {                                                  \
+    0xfc2389b8, 0xc650, 0x4093, {                    \
+      0x9e, 0x42, 0xb0, 0x5e, 0x5f, 0x06, 0x85, 0xb7 \
+    }                                                \
+  }
+
+#endif