Split SkGradientShader into separate files for each gradient subclass.

Review URL: https://codereview.appspot.com/6447049

git-svn-id: http://skia.googlecode.com/svn/trunk@4792 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 43 insertions, 0 deletions

diff --git a/src/effects/gradients/SkRadialGradient.h b/src/effects/gradients/SkRadialGradient.h
new file mode 100644
index 0000000000..23a35f7fd2
--- /dev/null
+++ b/src/effects/gradients/SkRadialGradient.h
@@ -0,0 +1,43 @@
+
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkRadialGradient_DEFINED
+#define SkRadialGradient_DEFINED
+
+#include "SkGradientShaderPriv.h"
+
+class SkRadialGradient : public SkGradientShaderBase {
+public:
+    SkRadialGradient(const SkPoint& center, SkScalar radius,
+                    const SkColor colors[], const SkScalar pos[], int colorCount,
+                    SkShader::TileMode mode, SkUnitMapper* mapper);
+    virtual void shadeSpan(int x, int y, SkPMColor* dstC, int count)
+        SK_OVERRIDE;
+    virtual void shadeSpan16(int x, int y, uint16_t* dstCParam,
+                             int count) SK_OVERRIDE;
+    virtual BitmapType asABitmap(SkBitmap* bitmap,
+                                 SkMatrix* matrix,
+                                 TileMode* xy) const SK_OVERRIDE;
+    virtual GradientType asAGradient(GradientInfo* info) const SK_OVERRIDE;
+    virtual GrCustomStage* asNewCustomStage(GrContext* context,
+        GrSamplerState* sampler) const SK_OVERRIDE;
+
+    SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkRadialGradient)
+
+protected:
+    SkRadialGradient(SkFlattenableReadBuffer& buffer);
+    virtual void flatten(SkFlattenableWriteBuffer& buffer) const SK_OVERRIDE;
+
+private:
+    typedef SkGradientShaderBase INHERITED;
+    const SkPoint fCenter;
+    const SkScalar fRadius;
+};
+
+#endif
+