Use newImageSnapshot() to get an image from a Canvas

Source/platform/graphics/StaticBitmapImage.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 //
 // The Chromium Authors can be found at
 // http://src.chromium.org/svn/trunk/src/AUTHORS
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //    * Redistributions of source code must retain the above copyright
@@ skipping 10 matching lines @@
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef StaticBitmapImage_h
+#define StaticBitmapImage_h
+
+#include "SkImage.h"

[Justin Novosad, 2014/07/29 14:56:52]

This can be forward declared.

[Rémi Piotaix, 2014/07/29 17:18:23]

Done.

+
+#include "platform/graphics/Image.h"
+
+namespace WebCore {

[Justin Novosad, 2014/07/29 14:56:52]

WebCore -> blink

[Rémi Piotaix, 2014/07/29 17:18:23]

Done.

+
+class PLATFORM_EXPORT StaticBitmapImage : public Image {

[Justin Novosad, 2014/07/29 14:56:53]

Does this really need to be exported?

[Rémi Piotaix, 2014/07/29 17:18:23]

Done.

+public:
+
+    static PassRefPtr<Image> create(PassRefPtr<SkImage>);
+    virtual void destroyDecodedData(bool destroyAll) { }
+    virtual bool currentFrameKnownToBeOpaque() { return false; }
+    virtual IntSize size() const { return IntSize(m_image->width(), m_image->height()); }
+    virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRect& srcRect, CompositeOperator, blink::WebBlendMode);
+
+
+    PassRefPtr<SkImage> image() OVERRIDE { return m_image; }

[Justin Novosad, 2014/07/29 14:56:53]

move to cpp

[Rémi Piotaix, 2014/07/29 17:18:23]

Seems to work with forward-declaration, no need to move.

+
+protected:
+    StaticBitmapImage(PassRefPtr<SkImage>);

[Justin Novosad, 2014/07/29 14:56:53]

This class should have a virtual destructor (even if empty) to ensure that
m_image is not leaked.

[Rémi Piotaix, 2014/07/29 17:18:23]

Done.

+
+    RefPtr<SkImage> m_image;
+};
+
+}
+
+#endif