C++程序  |  48行  |  1.25 KB


/*
 * 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 GrSoftwarePathRenderer_DEFINED
#define GrSoftwarePathRenderer_DEFINED

#include "GrPathRenderer.h"

class GrContext;
class GrAutoScratchTexture;

/**
 * This class uses the software side to render a path to an SkBitmap and
 * then uploads the result to the gpu
 */
class GrSoftwarePathRenderer : public GrPathRenderer {
public:
    GrSoftwarePathRenderer(GrContext* context)
        : fContext(context) {
    }

    virtual bool canDrawPath(const SkPath&,
                             const SkStrokeRec&,
                             const GrDrawTarget*,
                             bool antiAlias) const SK_OVERRIDE;
protected:
    virtual StencilSupport onGetStencilSupport(const SkPath&,
                                               const SkStrokeRec&,
                                               const GrDrawTarget*) const SK_OVERRIDE;

    virtual bool onDrawPath(const SkPath&,
                            const SkStrokeRec&,
                            GrDrawTarget*,
                            bool antiAlias) SK_OVERRIDE;

private:
    GrContext*     fContext;

    typedef GrPathRenderer INHERITED;
};

#endif