1 /* 2 * Copyright 2006 The Android Open Source Project 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 9 #include "SkRasterizer.h" 10 #include "SkDraw.h" 11 #include "SkMaskFilter.h" 12 #include "SkPath.h" 13 #include "SkStrokeRec.h" 14 15 bool SkRasterizer::rasterize(const SkPath& fillPath, const SkMatrix& matrix, 16 const SkIRect* clipBounds, SkMaskFilter* filter, 17 SkMask* mask, SkMask::CreateMode mode) const { 18 SkIRect storage; 19 20 if (clipBounds && filter && SkMask::kJustRenderImage_CreateMode != mode) { 21 SkIPoint margin; 22 SkMask srcM, dstM; 23 24 srcM.fFormat = SkMask::kA8_Format; 25 srcM.fBounds.set(0, 0, 1, 1); 26 if (!filter->filterMask(&dstM, srcM, matrix, &margin)) { 27 return false; 28 } 29 storage = clipBounds->makeOutset(margin.fX, margin.fY); 30 clipBounds = &storage; 31 } 32 33 return this->onRasterize(fillPath, matrix, clipBounds, mask, mode); 34 } 35 36 /* Our default implementation of the virtual method just scan converts 37 */ 38 bool SkRasterizer::onRasterize(const SkPath& fillPath, const SkMatrix& matrix, 39 const SkIRect* clipBounds, 40 SkMask* mask, SkMask::CreateMode mode) const { 41 SkPath devPath; 42 43 fillPath.transform(matrix, &devPath); 44 return SkDraw::DrawToMask(devPath, clipBounds, nullptr, nullptr, mask, mode, 45 SkStrokeRec::kFill_InitStyle); 46 } 47
