Line data    Source code

       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           0 : 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           0 :     if (clipBounds && filter && SkMask::kJustRenderImage_CreateMode != mode) {
      21             :         SkIPoint    margin;
      22           0 :         SkMask      srcM, dstM;
      23             : 
      24           0 :         srcM.fFormat = SkMask::kA8_Format;
      25           0 :         srcM.fBounds.set(0, 0, 1, 1);
      26           0 :         if (!filter->filterMask(&dstM, srcM, matrix, &margin)) {
      27           0 :             return false;
      28             :         }
      29           0 :         storage = clipBounds->makeOutset(margin.fX, margin.fY);
      30           0 :         clipBounds = &storage;
      31             :     }
      32             : 
      33           0 :     return this->onRasterize(fillPath, matrix, clipBounds, mask, mode);
      34             : }
      35             : 
      36             : /*  Our default implementation of the virtual method just scan converts
      37             : */
      38           0 : bool SkRasterizer::onRasterize(const SkPath& fillPath, const SkMatrix& matrix,
      39             :                              const SkIRect* clipBounds,
      40             :                              SkMask* mask, SkMask::CreateMode mode) const {
      41           0 :     SkPath  devPath;
      42             : 
      43           0 :     fillPath.transform(matrix, &devPath);
      44             :     return SkDraw::DrawToMask(devPath, clipBounds, nullptr, nullptr, mask, mode,
      45           0 :                               SkStrokeRec::kFill_InitStyle);
      46             : }