blob: f9e5976e17f6cbb6b0f09cad9ad77eb487ef29f5 [file] [log] [blame]
* Copyright 2011 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef SkEdgeBuilder_DEFINED
#define SkEdgeBuilder_DEFINED
#include "SkChunkAlloc.h"
#include "SkRect.h"
#include "SkTDArray.h"
struct SkEdge;
class SkEdgeClipper;
class SkPath;
class SkEdgeBuilder {
// returns the number of built edges. The array of those edge pointers
// is returned from edgeList().
int build(const SkPath& path, const SkIRect* clip, int shiftUp);
SkEdge** edgeList() { return fEdgeList; }
SkChunkAlloc fAlloc;
SkTDArray<SkEdge*> fList;
* If we're in general mode, we allcoate the pointers in fList, and this
* will point at fList.begin(). If we're in polygon mode, fList will be
* empty, as we will have preallocated room for the pointers in fAlloc's
* block, and fEdgeList will point into that.
SkEdge** fEdgeList;
int fShiftUp;
void addLine(const SkPoint pts[]);
void addQuad(const SkPoint pts[]);
void addCubic(const SkPoint pts[]);
void addClipper(SkEdgeClipper*);
int buildPoly(const SkPath& path, const SkIRect* clip, int shiftUp);