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- /*
- * Copyright 2018 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "src/core/SkDraw.h"
- #include "src/core/SkFontPriv.h"
- #include "src/core/SkPaintPriv.h"
- #include "src/core/SkRasterClip.h"
- #include "src/core/SkScalerContext.h"
- #include "src/core/SkStrike.h"
- #include "src/core/SkUtils.h"
- // disable warning : local variable used without having been initialized
- #if defined _WIN32
- #pragma warning ( push )
- #pragma warning ( disable : 4701 )
- #endif
- ////////////////////////////////////////////////////////////////////////////////////////////////////
- void SkDraw::paintMasks(SkSpan<const SkMask> masks, const SkPaint& paint) const {
- // The size used for a typical blitter.
- SkSTArenaAlloc<3308> alloc;
- SkBlitter* blitter = SkBlitter::Choose(fDst, *fMatrix, paint, &alloc, false);
- if (fCoverage) {
- blitter = alloc.make<SkPairBlitter>(
- blitter,
- SkBlitter::Choose(*fCoverage, *fMatrix, SkPaint(), &alloc, true));
- }
- SkAAClipBlitterWrapper wrapper{*fRC, blitter};
- blitter = wrapper.getBlitter();
- bool useRegion = fRC->isBW() && !fRC->isRect();
- if (useRegion) {
- for (const SkMask& mask : masks) {
- SkRegion::Cliperator clipper(fRC->bwRgn(), mask.fBounds);
- if (!clipper.done()) {
- if (SkMask::kARGB32_Format == mask.fFormat) {
- SkBitmap bm;
- bm.installPixels(SkImageInfo::MakeN32Premul(mask.fBounds.size()),
- mask.fImage,
- mask.fRowBytes);
- this->drawSprite(bm, mask.fBounds.x(), mask.fBounds.y(), paint);
- } else {
- const SkIRect& cr = clipper.rect();
- do {
- blitter->blitMask(mask, cr);
- clipper.next();
- } while (!clipper.done());
- }
- }
- }
- } else {
- SkIRect clipBounds = fRC->isBW() ? fRC->bwRgn().getBounds()
- : fRC->aaRgn().getBounds();
- for (const SkMask& mask : masks) {
- SkIRect storage;
- const SkIRect* bounds = &mask.fBounds;
- // this extra test is worth it, assuming that most of the time it succeeds
- // since we can avoid writing to storage
- if (!clipBounds.containsNoEmptyCheck(mask.fBounds)) {
- if (!storage.intersectNoEmptyCheck(mask.fBounds, clipBounds)) {
- continue;
- }
- bounds = &storage;
- }
- if (SkMask::kARGB32_Format == mask.fFormat) {
- SkBitmap bm;
- bm.installPixels(SkImageInfo::MakeN32Premul(mask.fBounds.size()),
- mask.fImage,
- mask.fRowBytes);
- this->drawSprite(bm, mask.fBounds.x(), mask.fBounds.y(), paint);
- } else {
- blitter->blitMask(mask, *bounds);
- }
- }
- }
- }
- void SkDraw::paintPaths(SkSpan<const SkPathPos> pathsAndPositions,
- SkScalar scale,
- const SkPaint& paint) const {
- for (const auto& pathAndPos : pathsAndPositions) {
- SkMatrix m;
- SkPoint position = pathAndPos.position;
- m.setScaleTranslate(scale, scale, position.x(), position.y());
- this->drawPath(*pathAndPos.path, paint, &m, false);
- }
- }
- void SkDraw::drawGlyphRunList(const SkGlyphRunList& glyphRunList,
- SkGlyphRunListPainter* glyphPainter) const {
- SkDEBUGCODE(this->validate();)
- if (fRC->isEmpty()) {
- return;
- }
- glyphPainter->drawForBitmapDevice(glyphRunList, *fMatrix, this);
- }
- #if defined _WIN32
- #pragma warning ( pop )
- #endif
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