michael@0: 
michael@0: /*
michael@0:  * Copyright 2011 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: #ifndef GrAAHairLinePathRenderer_DEFINED
michael@0: #define GrAAHairLinePathRenderer_DEFINED
michael@0: 
michael@0: #include "GrPathRenderer.h"
michael@0: 
michael@0: class GrAAHairLinePathRenderer : public GrPathRenderer {
michael@0: public:
michael@0:     virtual ~GrAAHairLinePathRenderer();
michael@0: 
michael@0:     static GrPathRenderer* Create(GrContext* context);
michael@0: 
michael@0:     virtual bool canDrawPath(const SkPath& path,
michael@0:                              const SkStrokeRec& stroke,
michael@0:                              const GrDrawTarget* target,
michael@0:                              bool antiAlias) const SK_OVERRIDE;
michael@0: 
michael@0:     typedef SkTArray<SkPoint, true> PtArray;
michael@0:     typedef SkTArray<int, true> IntArray;
michael@0:     typedef SkTArray<float, true> FloatArray;
michael@0: 
michael@0: protected:
michael@0:     virtual bool onDrawPath(const SkPath& path,
michael@0:                             const SkStrokeRec& stroke,
michael@0:                             GrDrawTarget* target,
michael@0:                             bool antiAlias) SK_OVERRIDE;
michael@0: 
michael@0: private:
michael@0:     GrAAHairLinePathRenderer(const GrContext* context,
michael@0:                              const GrIndexBuffer* fLinesIndexBuffer,
michael@0:                              const GrIndexBuffer* fQuadsIndexBuffer);
michael@0: 
michael@0:     bool createLineGeom(const SkPath& path,
michael@0:                         GrDrawTarget* target,
michael@0:                         const PtArray& lines,
michael@0:                         int lineCnt,
michael@0:                         GrDrawTarget::AutoReleaseGeometry* arg,
michael@0:                         SkRect* devBounds);
michael@0: 
michael@0:     bool createBezierGeom(const SkPath& path,
michael@0:                           GrDrawTarget* target,
michael@0:                           const PtArray& quads,
michael@0:                           int quadCnt,
michael@0:                           const PtArray& conics,
michael@0:                           int conicCnt,
michael@0:                           const IntArray& qSubdivs,
michael@0:                           const FloatArray& cWeights,
michael@0:                           GrDrawTarget::AutoReleaseGeometry* arg,
michael@0:                           SkRect* devBounds);
michael@0: 
michael@0:     const GrIndexBuffer*        fLinesIndexBuffer;
michael@0:     const GrIndexBuffer*        fQuadsIndexBuffer;
michael@0: 
michael@0:     typedef GrPathRenderer INHERITED;
michael@0: };
michael@0: 
michael@0: 
michael@0: #endif