1 files changed, 78 insertions, 0 deletions
diff --git a/chromium/third_party/skia/src/core/SkLocalMatrixShader.h b/chromium/third_party/skia/src/core/SkLocalMatrixShader.h
new file mode 100644
index 00000000000..1143f062d38
--- /dev/null
+++ b/chromium/third_party/skia/src/core/SkLocalMatrixShader.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkLocalMatrixShader_DEFINED
+#define SkLocalMatrixShader_DEFINED
+
+#include "SkShader.h"
+#include "SkReadBuffer.h"
+#include "SkWriteBuffer.h"
+
+class SkLocalMatrixShader : public SkShader {
+public:
+    SkLocalMatrixShader(SkShader* proxy, const SkMatrix& localMatrix)
+    : fProxyShader(SkRef(proxy))
+    , fProxyLocalMatrix(localMatrix)
+    {}
+
+    virtual size_t contextSize() const SK_OVERRIDE {
+        return fProxyShader->contextSize();
+    }
+
+    virtual BitmapType asABitmap(SkBitmap* bitmap, SkMatrix* matrix,
+                                 TileMode* mode) const SK_OVERRIDE {
+        return fProxyShader->asABitmap(bitmap, matrix, mode);
+    }
+
+    virtual GradientType asAGradient(GradientInfo* info) const SK_OVERRIDE {
+        return fProxyShader->asAGradient(info);
+    }
+
+#if SK_SUPPORT_GPU
+    
+    virtual bool asNewEffect(GrContext* context, const SkPaint& paint, const SkMatrix* localMatrix,
+                             GrColor* grColor, GrEffectRef** grEffect) const SK_OVERRIDE {
+        SkMatrix tmp = fProxyLocalMatrix;
+        if (localMatrix) {
+            tmp.preConcat(*localMatrix);
+        }
+        return fProxyShader->asNewEffect(context, paint, &tmp, grColor, grEffect);
+    }
+    
+#else 
+    
+    virtual bool asNewEffect(GrContext* context, const SkPaint& paint, const SkMatrix* localMatrix,
+                             GrColor* grColor, GrEffectRef** grEffect) const SK_OVERRIDE {
+        SkDEBUGFAIL("Should not call in GPU-less build");
+        return false;
+    }
+    
+#endif
+    
+    virtual SkShader* refAsALocalMatrixShader(SkMatrix* localMatrix) const SK_OVERRIDE {
+        if (localMatrix) {
+            *localMatrix = fProxyLocalMatrix;
+        }
+        return SkRef(fProxyShader.get());
+    }
+
+    SK_TO_STRING_OVERRIDE()
+    SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkLocalMatrixShader)
+
+protected:
+    SkLocalMatrixShader(SkReadBuffer&);
+    virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
+    virtual Context* onCreateContext(const ContextRec&, void*) const SK_OVERRIDE;
+
+private:
+    SkAutoTUnref<SkShader> fProxyShader;
+    SkMatrix  fProxyLocalMatrix;
+
+    typedef SkShader INHERITED;
+};
+
+#endif