52c293547b
This was needed for pictures before v33, and we're now requiring v35+. Will follow up with the same for skia/ext/pixel_ref_utils_unittest.cc BUG=skia: Review URL: https://codereview.chromium.org/769953002
105 lines
3.2 KiB
C++
105 lines
3.2 KiB
C++
/*
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* Copyright 2006 The Android Open Source Project
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef Sk2DPathEffect_DEFINED
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#define Sk2DPathEffect_DEFINED
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#include "SkPath.h"
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#include "SkPathEffect.h"
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#include "SkMatrix.h"
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class SK_API Sk2DPathEffect : public SkPathEffect {
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public:
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virtual bool filterPath(SkPath*, const SkPath&, SkStrokeRec*, const SkRect*) const SK_OVERRIDE;
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SK_DECLARE_UNFLATTENABLE_OBJECT()
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protected:
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/** New virtual, to be overridden by subclasses.
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This is called once from filterPath, and provides the
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uv parameter bounds for the path. Subsequent calls to
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next() will receive u and v values within these bounds,
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and then a call to end() will signal the end of processing.
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*/
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virtual void begin(const SkIRect& uvBounds, SkPath* dst) const;
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virtual void next(const SkPoint& loc, int u, int v, SkPath* dst) const;
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virtual void end(SkPath* dst) const;
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/** Low-level virtual called per span of locations in the u-direction.
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The default implementation calls next() repeatedly with each
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location.
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*/
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virtual void nextSpan(int u, int v, int ucount, SkPath* dst) const;
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const SkMatrix& getMatrix() const { return fMatrix; }
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// protected so that subclasses can call this during unflattening
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explicit Sk2DPathEffect(const SkMatrix& mat);
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virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
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private:
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SkMatrix fMatrix, fInverse;
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bool fMatrixIsInvertible;
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// illegal
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Sk2DPathEffect(const Sk2DPathEffect&);
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Sk2DPathEffect& operator=(const Sk2DPathEffect&);
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friend class Sk2DPathEffectBlitter;
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typedef SkPathEffect INHERITED;
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};
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class SK_API SkLine2DPathEffect : public Sk2DPathEffect {
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public:
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static SkLine2DPathEffect* Create(SkScalar width, const SkMatrix& matrix) {
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return SkNEW_ARGS(SkLine2DPathEffect, (width, matrix));
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}
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virtual bool filterPath(SkPath* dst, const SkPath& src,
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SkStrokeRec*, const SkRect*) const SK_OVERRIDE;
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SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkLine2DPathEffect)
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protected:
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SkLine2DPathEffect(SkScalar width, const SkMatrix& matrix)
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: Sk2DPathEffect(matrix), fWidth(width) {}
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virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
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virtual void nextSpan(int u, int v, int ucount, SkPath*) const SK_OVERRIDE;
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private:
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SkScalar fWidth;
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typedef Sk2DPathEffect INHERITED;
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};
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class SK_API SkPath2DPathEffect : public Sk2DPathEffect {
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public:
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/**
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* Stamp the specified path to fill the shape, using the matrix to define
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* the latice.
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*/
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static SkPath2DPathEffect* Create(const SkMatrix& matrix, const SkPath& path) {
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return SkNEW_ARGS(SkPath2DPathEffect, (matrix, path));
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}
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SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkPath2DPathEffect)
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protected:
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SkPath2DPathEffect(const SkMatrix&, const SkPath&);
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virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
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virtual void next(const SkPoint&, int u, int v, SkPath*) const SK_OVERRIDE;
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private:
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SkPath fPath;
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typedef Sk2DPathEffect INHERITED;
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};
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#endif
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