SkPictureImageGenerator

src/core/SkPictureImageGenerator.h

+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkImageGenerator.h"
+
+#include "SkMatrix.h"
+#include "SkPaint.h"
+#include "SkRefCnt.h"
+#include "SkTLazy.h"
+
+class SkPicture;
+
+class SkPictureImageGenerator : SkImageGenerator {
+public:
+    static SkImageGenerator* Create(const SkISize&, const SkPicture*, const SkMatrix*,
+                                    const SkPaint*);
+
+protected:
+    bool onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBytes, SkPMColor ctable[],
+                     int* ctableCount) override;
+
+private:
+    SkPictureImageGenerator(const SkISize&, const SkPicture*, const SkMatrix*, const SkPaint*);
+
+    SkAutoTUnref<const SkPicture> fPicture;
+    SkMatrix                      fMatrix;
+    SkTLazy<SkPaint>              fPaint;
+
+    typedef SkImageGenerator INHERITED;
+};