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/*
* Copyright 2006 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkRasterizer.h"
#include "SkDraw.h"
#include "SkMaskFilter.h"
#include "SkPath.h"
SK_DEFINE_INST_COUNT(SkRasterizer)
bool SkRasterizer::rasterize(const SkPath& fillPath, const SkMatrix& matrix,
const SkIRect* clipBounds, SkMaskFilter* filter,
SkMask* mask, SkMask::CreateMode mode) const {
SkIRect storage;
if (clipBounds && filter && SkMask::kJustRenderImage_CreateMode != mode) {
SkIPoint margin;
SkMask srcM, dstM;
srcM.fFormat = SkMask::kA8_Format;
srcM.fBounds.set(0, 0, 1, 1);
srcM.fImage = NULL;
if (!filter->filterMask(&dstM, srcM, matrix, &margin)) {
return false;
}
storage = *clipBounds;
storage.inset(-margin.fX, -margin.fY);
clipBounds = &storage;
}
return this->onRasterize(fillPath, matrix, clipBounds, mask, mode);
}
/* Our default implementation of the virtual method just scan converts
*/
bool SkRasterizer::onRasterize(const SkPath& fillPath, const SkMatrix& matrix,
const SkIRect* clipBounds,
SkMask* mask, SkMask::CreateMode mode) const {
SkPath devPath;
fillPath.transform(matrix, &devPath);
return SkDraw::DrawToMask(devPath, clipBounds, NULL, NULL, mask, mode,
SkPaint::kFill_Style);
}
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