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265e672179
# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
246 lines
9.2 KiB
C++
246 lines
9.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_GFX_DRAWTARGETTILED_H_
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#define MOZILLA_GFX_DRAWTARGETTILED_H_
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#include "2D.h"
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#include "mozilla/Vector.h"
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#include "Filters.h"
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#include "Logging.h"
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#include <vector>
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namespace mozilla {
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namespace gfx {
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struct TileInternal : public Tile {
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TileInternal() : mClippedOut(false) {}
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explicit TileInternal(const Tile &aOther)
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: Tile(aOther), mClippedOut(false) {}
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bool mClippedOut;
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};
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class DrawTargetTiled : public DrawTarget {
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public:
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DrawTargetTiled();
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bool Init(const TileSet &mTiles);
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virtual bool IsTiledDrawTarget() const override { return true; }
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virtual bool IsCaptureDT() const override {
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return mTiles[0].mDrawTarget->IsCaptureDT();
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}
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virtual DrawTargetType GetType() const override {
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return mTiles[0].mDrawTarget->GetType();
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}
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virtual BackendType GetBackendType() const override {
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return mTiles[0].mDrawTarget->GetBackendType();
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}
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virtual already_AddRefed<SourceSurface> Snapshot() override;
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virtual void DetachAllSnapshots() override;
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virtual IntSize GetSize() const override {
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MOZ_ASSERT(mRect.Width() > 0 && mRect.Height() > 0);
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return IntSize(mRect.XMost(), mRect.YMost());
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}
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virtual IntRect GetRect() const override { return mRect; }
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virtual void Flush() override;
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virtual void DrawSurface(SourceSurface *aSurface, const Rect &aDest,
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const Rect &aSource,
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const DrawSurfaceOptions &aSurfOptions,
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const DrawOptions &aOptions) override;
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virtual void DrawFilter(FilterNode *aNode, const Rect &aSourceRect,
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const Point &aDestPoint,
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void DrawSurfaceWithShadow(
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SourceSurface *aSurface, const Point &aDest, const Color &aColor,
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const Point &aOffset, Float aSigma,
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CompositionOp aOperator) override { /* Not implemented */
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MOZ_CRASH("GFX: DrawSurfaceWithShadow");
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}
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virtual void ClearRect(const Rect &aRect) override;
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virtual void MaskSurface(
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const Pattern &aSource, SourceSurface *aMask, Point aOffset,
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void CopySurface(SourceSurface *aSurface, const IntRect &aSourceRect,
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const IntPoint &aDestination) override;
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virtual void FillRect(const Rect &aRect, const Pattern &aPattern,
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void StrokeRect(const Rect &aRect, const Pattern &aPattern,
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const StrokeOptions &aStrokeOptions = StrokeOptions(),
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void StrokeLine(const Point &aStart, const Point &aEnd,
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const Pattern &aPattern,
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const StrokeOptions &aStrokeOptions = StrokeOptions(),
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void Stroke(const Path *aPath, const Pattern &aPattern,
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const StrokeOptions &aStrokeOptions = StrokeOptions(),
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void Fill(const Path *aPath, const Pattern &aPattern,
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void FillGlyphs(ScaledFont *aFont, const GlyphBuffer &aBuffer,
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const Pattern &aPattern,
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void Mask(const Pattern &aSource, const Pattern &aMask,
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void PushClip(const Path *aPath) override;
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virtual void PushClipRect(const Rect &aRect) override;
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virtual void PopClip() override;
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virtual void PushLayer(bool aOpaque, Float aOpacity, SourceSurface *aMask,
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const Matrix &aMaskTransform,
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const IntRect &aBounds = IntRect(),
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bool aCopyBackground = false) override;
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virtual void PushLayerWithBlend(
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bool aOpaque, Float aOpacity, SourceSurface *aMask,
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const Matrix &aMaskTransform, const IntRect &aBounds = IntRect(),
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bool aCopyBackground = false,
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CompositionOp = CompositionOp::OP_OVER) override;
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virtual void PopLayer() override;
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virtual void PadEdges(const IntRegion &aRegion) override;
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virtual void SetTransform(const Matrix &aTransform) override;
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virtual void SetPermitSubpixelAA(bool aPermitSubpixelAA) override;
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virtual already_AddRefed<SourceSurface> CreateSourceSurfaceFromData(
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unsigned char *aData, const IntSize &aSize, int32_t aStride,
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SurfaceFormat aFormat) const override {
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return mTiles[0].mDrawTarget->CreateSourceSurfaceFromData(aData, aSize,
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aStride, aFormat);
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}
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virtual already_AddRefed<SourceSurface> OptimizeSourceSurface(
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SourceSurface *aSurface) const override {
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return mTiles[0].mDrawTarget->OptimizeSourceSurface(aSurface);
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}
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virtual already_AddRefed<SourceSurface> CreateSourceSurfaceFromNativeSurface(
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const NativeSurface &aSurface) const override {
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return mTiles[0].mDrawTarget->CreateSourceSurfaceFromNativeSurface(
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aSurface);
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}
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virtual already_AddRefed<DrawTarget> CreateSimilarDrawTarget(
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const IntSize &aSize, SurfaceFormat aFormat) const override {
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return mTiles[0].mDrawTarget->CreateSimilarDrawTarget(aSize, aFormat);
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}
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virtual bool CanCreateSimilarDrawTarget(
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const IntSize &aSize, SurfaceFormat aFormat) const override {
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return mTiles[0].mDrawTarget->CanCreateSimilarDrawTarget(aSize, aFormat);
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}
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virtual already_AddRefed<PathBuilder> CreatePathBuilder(
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FillRule aFillRule = FillRule::FILL_WINDING) const override {
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return mTiles[0].mDrawTarget->CreatePathBuilder(aFillRule);
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}
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virtual already_AddRefed<GradientStops> CreateGradientStops(
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GradientStop *aStops, uint32_t aNumStops,
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ExtendMode aExtendMode = ExtendMode::CLAMP) const override {
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return mTiles[0].mDrawTarget->CreateGradientStops(aStops, aNumStops,
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aExtendMode);
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}
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virtual already_AddRefed<FilterNode> CreateFilter(FilterType aType) override {
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return mTiles[0].mDrawTarget->CreateFilter(aType);
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}
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private:
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std::vector<TileInternal> mTiles;
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// mClippedOutTilesStack[clipIndex][tileIndex] is true if the tile at
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// tileIndex has become completely clipped out at the clip stack depth
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// clipIndex.
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Vector<std::vector<bool>, 8> mClippedOutTilesStack;
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IntRect mRect;
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struct PushedLayer {
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explicit PushedLayer(bool aOldPermitSubpixelAA)
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: mOldPermitSubpixelAA(aOldPermitSubpixelAA) {}
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bool mOldPermitSubpixelAA;
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};
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std::vector<PushedLayer> mPushedLayers;
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};
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class SnapshotTiled : public SourceSurface {
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public:
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SnapshotTiled(const std::vector<TileInternal> &aTiles, const IntRect &aRect)
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: mRect(aRect) {
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for (size_t i = 0; i < aTiles.size(); i++) {
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mSnapshots.push_back(aTiles[i].mDrawTarget->Snapshot());
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mOrigins.push_back(aTiles[i].mTileOrigin);
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}
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}
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virtual SurfaceType GetType() const override { return SurfaceType::TILED; }
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virtual IntSize GetSize() const override {
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MOZ_ASSERT(mRect.Width() > 0 && mRect.Height() > 0);
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return IntSize(mRect.XMost(), mRect.YMost());
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}
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virtual IntRect GetRect() const override { return mRect; }
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virtual SurfaceFormat GetFormat() const override {
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return mSnapshots[0]->GetFormat();
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}
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virtual already_AddRefed<DataSourceSurface> GetDataSurface() override {
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RefPtr<DataSourceSurface> surf =
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Factory::CreateDataSourceSurface(mRect.Size(), GetFormat());
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if (!surf) {
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gfxCriticalError()
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<< "DrawTargetTiled::GetDataSurface failed to allocate surface";
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return nullptr;
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}
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DataSourceSurface::MappedSurface mappedSurf;
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if (!surf->Map(DataSourceSurface::MapType::WRITE, &mappedSurf)) {
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gfxCriticalError()
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<< "DrawTargetTiled::GetDataSurface failed to map surface";
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return nullptr;
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}
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{
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RefPtr<DrawTarget> dt = Factory::CreateDrawTargetForData(
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BackendType::CAIRO, mappedSurf.mData, mRect.Size(),
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mappedSurf.mStride, GetFormat());
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if (!dt) {
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gfxWarning() << "DrawTargetTiled::GetDataSurface failed in "
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"CreateDrawTargetForData";
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surf->Unmap();
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return nullptr;
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}
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for (size_t i = 0; i < mSnapshots.size(); i++) {
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RefPtr<DataSourceSurface> dataSurf = mSnapshots[i]->GetDataSurface();
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dt->CopySurface(dataSurf,
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IntRect(IntPoint(0, 0), mSnapshots[i]->GetSize()),
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mOrigins[i] - mRect.TopLeft());
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}
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}
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surf->Unmap();
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return surf.forget();
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}
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std::vector<RefPtr<SourceSurface>> mSnapshots;
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std::vector<IntPoint> mOrigins;
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IntRect mRect;
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};
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} // namespace gfx
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} // namespace mozilla
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#endif
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