mirror of
https://github.com/classilla/tenfourfox.git
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214 lines
7.9 KiB
C++
214 lines
7.9 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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 "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()
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: mClippedOut(false)
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{}
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explicit TileInternal(const Tile& aOther)
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: Tile(aOther)
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, mClippedOut(false)
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{}
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bool mClippedOut;
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};
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class DrawTargetTiled : public DrawTarget
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{
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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 DrawTargetType GetType() const override { return mTiles[0].mDrawTarget->GetType(); }
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virtual BackendType GetBackendType() const override { return mTiles[0].mDrawTarget->GetBackendType(); }
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virtual already_AddRefed<SourceSurface> Snapshot() override;
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virtual IntSize GetSize() 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 void Flush() override;
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virtual void DrawSurface(SourceSurface *aSurface,
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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,
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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(SourceSurface *aSurface,
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const Point &aDest,
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const Color &aColor,
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const Point &aOffset,
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Float aSigma,
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CompositionOp aOperator) override { /* Not implemented */ MOZ_CRASH(); }
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virtual void ClearRect(const Rect &aRect) override;
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virtual void MaskSurface(const Pattern &aSource,
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SourceSurface *aMask,
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Point aOffset,
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void CopySurface(SourceSurface *aSurface,
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const IntRect &aSourceRect,
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const IntPoint &aDestination) override;
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virtual void FillRect(const Rect &aRect,
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const Pattern &aPattern,
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void StrokeRect(const Rect &aRect,
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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 StrokeLine(const Point &aStart,
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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,
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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 Fill(const Path *aPath,
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const Pattern &aPattern,
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void FillGlyphs(ScaledFont *aFont,
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const GlyphBuffer &aBuffer,
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const Pattern &aPattern,
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const DrawOptions &aOptions = DrawOptions(),
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const GlyphRenderingOptions *aRenderingOptions = nullptr) override;
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virtual void Mask(const Pattern &aSource,
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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 SetTransform(const Matrix &aTransform) override;
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virtual already_AddRefed<SourceSurface> CreateSourceSurfaceFromData(unsigned char *aData,
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const IntSize &aSize,
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int32_t aStride,
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SurfaceFormat aFormat) const override
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{
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return mTiles[0].mDrawTarget->CreateSourceSurfaceFromData(aData, aSize, aStride, aFormat);
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}
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virtual already_AddRefed<SourceSurface> OptimizeSourceSurface(SourceSurface *aSurface) const override
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{
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return mTiles[0].mDrawTarget->OptimizeSourceSurface(aSurface);
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}
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virtual already_AddRefed<SourceSurface>
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CreateSourceSurfaceFromNativeSurface(const NativeSurface &aSurface) const override
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{
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return mTiles[0].mDrawTarget->CreateSourceSurfaceFromNativeSurface(aSurface);
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}
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virtual already_AddRefed<DrawTarget>
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CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const override
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{
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return mTiles[0].mDrawTarget->CreateSimilarDrawTarget(aSize, aFormat);
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}
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virtual already_AddRefed<PathBuilder> CreatePathBuilder(FillRule aFillRule = FillRule::FILL_WINDING) const override
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{
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return mTiles[0].mDrawTarget->CreatePathBuilder(aFillRule);
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}
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virtual already_AddRefed<GradientStops>
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CreateGradientStops(GradientStop *aStops,
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uint32_t aNumStops,
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ExtendMode aExtendMode = ExtendMode::CLAMP) const override
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{
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return mTiles[0].mDrawTarget->CreateGradientStops(aStops, aNumStops, aExtendMode);
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}
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virtual already_AddRefed<FilterNode> CreateFilter(FilterType aType) override
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{
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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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std::vector<std::vector<uint32_t> > mClippedOutTilesStack;
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IntRect mRect;
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};
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class SnapshotTiled : public SourceSurface
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{
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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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{
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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 { return SurfaceType::TILED; }
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virtual IntSize GetSize() const {
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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 SurfaceFormat GetFormat() const { return mSnapshots[0]->GetFormat(); }
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virtual already_AddRefed<DataSourceSurface> GetDataSurface()
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{
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RefPtr<DataSourceSurface> surf = Factory::CreateDataSourceSurface(GetSize(), GetFormat());
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DataSourceSurface::MappedSurface mappedSurf;
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if (!surf->Map(DataSourceSurface::MapType::WRITE, &mappedSurf)) {
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gfxCriticalError() << "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 =
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Factory::CreateDrawTargetForData(BackendType::CAIRO, mappedSurf.mData,
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GetSize(), mappedSurf.mStride, GetFormat());
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if (!dt) {
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gfxWarning() << "DrawTargetTiled::GetDataSurface failed in 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, IntRect(IntPoint(0, 0), mSnapshots[i]->GetSize()), mOrigins[i]);
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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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