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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MOZILLA_GFX_DRAWTARGETTILED_H_
#define MOZILLA_GFX_DRAWTARGETTILED_H_
#include "2D.h"
#include "Filters.h"
#include "Logging.h"
#include <vector>
namespace mozilla {
namespace gfx {
struct TileInternal : public Tile {
TileInternal()
: mClippedOut(false)
{}
explicit TileInternal(const Tile& aOther)
: Tile(aOther)
, mClippedOut(false)
{}
bool mClippedOut;
};
class DrawTargetTiled : public DrawTarget
{
public:
DrawTargetTiled();
bool Init(const TileSet& mTiles);
virtual bool IsTiledDrawTarget() const override { return true; }
virtual DrawTargetType GetType() const override { return mTiles[0].mDrawTarget->GetType(); }
virtual BackendType GetBackendType() const override { return mTiles[0].mDrawTarget->GetBackendType(); }
virtual already_AddRefed<SourceSurface> Snapshot() override;
virtual void DetachAllSnapshots() override;
virtual IntSize GetSize() override {
MOZ_ASSERT(mRect.width > 0 && mRect.height > 0);
return IntSize(mRect.XMost(), mRect.YMost());
}
virtual void Flush() override;
virtual void DrawSurface(SourceSurface *aSurface,
const Rect &aDest,
const Rect &aSource,
const DrawSurfaceOptions &aSurfOptions,
const DrawOptions &aOptions) override;
virtual void DrawFilter(FilterNode *aNode,
const Rect &aSourceRect,
const Point &aDestPoint,
const DrawOptions &aOptions = DrawOptions()) override;
virtual void DrawSurfaceWithShadow(SourceSurface *aSurface,
const Point &aDest,
const Color &aColor,
const Point &aOffset,
Float aSigma,
CompositionOp aOperator) override { /* Not implemented */ MOZ_CRASH("GFX: DrawSurfaceWithShadow"); }
virtual void ClearRect(const Rect &aRect) override;
virtual void MaskSurface(const Pattern &aSource,
SourceSurface *aMask,
Point aOffset,
const DrawOptions &aOptions = DrawOptions()) override;
virtual void CopySurface(SourceSurface *aSurface,
const IntRect &aSourceRect,
const IntPoint &aDestination) override;
virtual void FillRect(const Rect &aRect,
const Pattern &aPattern,
const DrawOptions &aOptions = DrawOptions()) override;
virtual void StrokeRect(const Rect &aRect,
const Pattern &aPattern,
const StrokeOptions &aStrokeOptions = StrokeOptions(),
const DrawOptions &aOptions = DrawOptions()) override;
virtual void StrokeLine(const Point &aStart,
const Point &aEnd,
const Pattern &aPattern,
const StrokeOptions &aStrokeOptions = StrokeOptions(),
const DrawOptions &aOptions = DrawOptions()) override;
virtual void Stroke(const Path *aPath,
const Pattern &aPattern,
const StrokeOptions &aStrokeOptions = StrokeOptions(),
const DrawOptions &aOptions = DrawOptions()) override;
virtual void Fill(const Path *aPath,
const Pattern &aPattern,
const DrawOptions &aOptions = DrawOptions()) override;
virtual void FillGlyphs(ScaledFont *aFont,
const GlyphBuffer &aBuffer,
const Pattern &aPattern,
const DrawOptions &aOptions = DrawOptions(),
const GlyphRenderingOptions *aRenderingOptions = nullptr) override;
virtual void Mask(const Pattern &aSource,
const Pattern &aMask,
const DrawOptions &aOptions = DrawOptions()) override;
virtual void PushClip(const Path *aPath) override;
virtual void PushClipRect(const Rect &aRect) override;
virtual void PopClip() override;
virtual void PushLayer(bool aOpaque, Float aOpacity,
SourceSurface* aMask,
const Matrix& aMaskTransform,
const IntRect& aBounds = IntRect(),
bool aCopyBackground = false) override;
virtual void PopLayer() override;
virtual void SetTransform(const Matrix &aTransform) override;
virtual already_AddRefed<SourceSurface> CreateSourceSurfaceFromData(unsigned char *aData,
const IntSize &aSize,
int32_t aStride,
SurfaceFormat aFormat) const override
{
return mTiles[0].mDrawTarget->CreateSourceSurfaceFromData(aData, aSize, aStride, aFormat);
}
virtual already_AddRefed<SourceSurface> OptimizeSourceSurface(SourceSurface *aSurface) const override
{
return mTiles[0].mDrawTarget->OptimizeSourceSurface(aSurface);
}
virtual already_AddRefed<SourceSurface>
CreateSourceSurfaceFromNativeSurface(const NativeSurface &aSurface) const override
{
return mTiles[0].mDrawTarget->CreateSourceSurfaceFromNativeSurface(aSurface);
}
virtual already_AddRefed<DrawTarget>
CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const override
{
return mTiles[0].mDrawTarget->CreateSimilarDrawTarget(aSize, aFormat);
}
virtual already_AddRefed<PathBuilder> CreatePathBuilder(FillRule aFillRule = FillRule::FILL_WINDING) const override
{
return mTiles[0].mDrawTarget->CreatePathBuilder(aFillRule);
}
virtual already_AddRefed<GradientStops>
CreateGradientStops(GradientStop *aStops,
uint32_t aNumStops,
ExtendMode aExtendMode = ExtendMode::CLAMP) const override
{
return mTiles[0].mDrawTarget->CreateGradientStops(aStops, aNumStops, aExtendMode);
}
virtual already_AddRefed<FilterNode> CreateFilter(FilterType aType) override
{
return mTiles[0].mDrawTarget->CreateFilter(aType);
}
private:
std::vector<TileInternal> mTiles;
std::vector<std::vector<uint32_t> > mClippedOutTilesStack;
IntRect mRect;
};
class SnapshotTiled : public SourceSurface
{
public:
SnapshotTiled(const std::vector<TileInternal>& aTiles, const IntRect& aRect)
: mRect(aRect)
{
for (size_t i = 0; i < aTiles.size(); i++) {
mSnapshots.push_back(aTiles[i].mDrawTarget->Snapshot());
mOrigins.push_back(aTiles[i].mTileOrigin);
}
}
virtual SurfaceType GetType() const { return SurfaceType::TILED; }
virtual IntSize GetSize() const {
MOZ_ASSERT(mRect.width > 0 && mRect.height > 0);
return IntSize(mRect.XMost(), mRect.YMost());
}
virtual SurfaceFormat GetFormat() const { return mSnapshots[0]->GetFormat(); }
virtual already_AddRefed<DataSourceSurface> GetDataSurface()
{
RefPtr<DataSourceSurface> surf = Factory::CreateDataSourceSurface(GetSize(), GetFormat());
DataSourceSurface::MappedSurface mappedSurf;
if (!surf->Map(DataSourceSurface::MapType::WRITE, &mappedSurf)) {
gfxCriticalError() << "DrawTargetTiled::GetDataSurface failed to map surface";
return nullptr;
}
{
RefPtr<DrawTarget> dt =
Factory::CreateDrawTargetForData(BackendType::CAIRO, mappedSurf.mData,
GetSize(), mappedSurf.mStride, GetFormat());
if (!dt) {
gfxWarning() << "DrawTargetTiled::GetDataSurface failed in CreateDrawTargetForData";
surf->Unmap();
return nullptr;
}
for (size_t i = 0; i < mSnapshots.size(); i++) {
RefPtr<DataSourceSurface> dataSurf = mSnapshots[i]->GetDataSurface();
dt->CopySurface(dataSurf, IntRect(IntPoint(0, 0), mSnapshots[i]->GetSize()), mOrigins[i]);
}
}
surf->Unmap();
return surf.forget();
}
std::vector<RefPtr<SourceSurface>> mSnapshots;
std::vector<IntPoint> mOrigins;
IntRect mRect;
};
} // namespace gfx
} // namespace mozilla
#endif
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