[wip] image color correction

Source/platform/graphics/ColorSpaceTransform.h

Index: Source/platform/graphics/ColorSpaceTransform.h
diff --git a/Source/modules/crypto/AesKeyAlgorithm.h b/Source/platform/graphics/ColorSpaceTransform.h
similarity index 62%
copy from Source/modules/crypto/AesKeyAlgorithm.h
copy to Source/platform/graphics/ColorSpaceTransform.h
index be51a8d22e3d9a969aebf1b23ce5effcdec2d750..3ea15871a5f84887897422a08234897fba9e8691 100644
--- a/Source/modules/crypto/AesKeyAlgorithm.h
+++ b/Source/platform/graphics/ColorSpaceTransform.h
@@ -28,31 +28,64 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef AesKeyAlgorithm_h
-#define AesKeyAlgorithm_h
+#ifndef ColorSpaceTransform_h
+#define ColorSpaceTransform_h
 
-#include "bindings/v8/ScriptWrappable.h"
-#include "modules/crypto/KeyAlgorithm.h"
-#include "platform/heap/Handle.h"
-#include "wtf/Forward.h"
+#include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
+#if USE(QCMSLIB)
+#include "qcms.h"
+#include "wtf/ThreadSafeRefCounted.h"
+#endif
+
 namespace WebCore {
 
-class AesKeyAlgorithm : public KeyAlgorithm {
+#if USE(QCMSLIB)
+
+class ColorSpaceTransform : public ThreadSafeRefCounted<ColorSpaceTransform> {
 public:
-    static AesKeyAlgorithm* create(const blink::WebCryptoKeyAlgorithm&);
+    static PassRefPtr<ColorSpaceTransform> create(qcms_transform* transform)
+    {
+        return adoptRef(new ColorSpaceTransform(transform));
+    }
+
+    qcms_transform* transform() { return m_transform; }
 
-    unsigned short length();
+    ~ColorSpaceTransform()
+    {
+        if (m_transform)
+            qcms_transform_release(m_transform);
 
-    virtual void trace(Visitor*) OVERRIDE;
+        m_transform = 0;
+    }
 
 private:
-    explicit AesKeyAlgorithm(const blink::WebCryptoKeyAlgorithm&);
+    explicit ColorSpaceTransform(qcms_transform* transform)
+        : m_transform(transform)
+    {
+    }
+
+    qcms_transform* m_transform;
 };
 
-DEFINE_KEY_ALGORITHM_TYPE_CASTS(AesKeyAlgorithm);
+#else
 
-} // namespace WebCore
+class ColorSpaceTransform : public RefCounted<ColorSpaceTransform> {
+public:
+    static PassRefPtr<ColorSpaceTransform> create(void*)
+    {
+        return nullptr;
+    }
+
+private:
+    ColorSpaceTransform()
+    {
+    }
+};
 
 #endif
+
+} // namespace WebCore
+
+#endif // ColorSpaceTransform_h