Merge pull request #54 from crupest/create-image

1 files changed, 16 insertions, 0 deletions

diff --git a/include/cru/platform/graphics/Image.h b/include/cru/platform/graphics/Image.h
index 51e27678..de3b32d5 100644
--- a/include/cru/platform/graphics/Image.h
+++ b/include/cru/platform/graphics/Image.h
@@ -6,5 +6,21 @@ struct CRU_PLATFORM_GRAPHICS_API IImage : public virtual IGraphicsResource {
   virtual float GetWidth() = 0;
   virtual float GetHeight() = 0;
   virtual std::unique_ptr<IImage> CreateWithRect(const Rect& rect) = 0;
+
+  /**
+   * \brief Create a painter for this image.
+   * \remarks Not all image could create a painter. If not this method will
+   * throw. Currently we only ensure images returned by
+   * IImageFactory::CreateBitmap or CloneToBitmap can create a painter.
+   * \todo Implement on Windows.
+   */
+  virtual std::unique_ptr<IPainter> CreatePainter() = 0;
+
+  /**
+   * \brief Create a bitmap image with the same pixels as this image's.
+   * \remarks This method can be used to create a bitmap image, so you can draw
+   * on the new bitmap, if the original image can't be directly painted.
+   */
+  virtual std::unique_ptr<IImage> CloneToBitmap();
 };
 }  // namespace cru::platform::graphics