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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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_DRAWTARGETOFFSET_H_
#define MOZILLA_GFX_DRAWTARGETOFFSET_H_
#include "2D.h"
#include "mozilla/Vector.h"
#include "Filters.h"
#include "Logging.h"
#include <vector>
namespace mozilla {
namespace gfx {
class SourceSurfaceOffset : public SourceSurface {
public:
SourceSurfaceOffset(RefPtr<SourceSurface> aSurface, IntPoint aOffset)
: mSurface(aSurface), mOffset(aOffset) {
MOZ_RELEASE_ASSERT(mSurface);
}
virtual SurfaceType GetType() const override { return SurfaceType::OFFSET; }
virtual IntSize GetSize() const override { return mSurface->GetSize(); }
virtual IntRect GetRect() const override {
return mSurface->GetRect() + mOffset;
}
virtual SurfaceFormat GetFormat() const override {
return mSurface->GetFormat();
}
virtual already_AddRefed<DataSourceSurface> GetDataSurface() override {
return mSurface->GetDataSurface();
}
virtual already_AddRefed<SourceSurface> GetUnderlyingSurface() override {
return mSurface->GetUnderlyingSurface();
}
private:
RefPtr<SourceSurface> mSurface;
IntPoint mOffset;
};
class DrawTargetOffset : public DrawTarget {
public:
DrawTargetOffset();
bool Init(DrawTarget* aDrawTarget, IntPoint aOrigin);
// We'll pestimistically return true here
virtual bool IsTiledDrawTarget() const override { return true; }
virtual bool IsCaptureDT() const override {
return mDrawTarget->IsCaptureDT();
}
virtual DrawTargetType GetType() const override {
return mDrawTarget->GetType();
}
virtual BackendType GetBackendType() const override {
return mDrawTarget->GetBackendType();
}
virtual already_AddRefed<SourceSurface> Snapshot() override;
virtual already_AddRefed<SourceSurface> IntoLuminanceSource(
LuminanceType aLuminanceType, float aOpacity) override;
virtual void DetachAllSnapshots() override;
virtual IntSize GetSize() const override { return mDrawTarget->GetSize(); }
virtual IntRect GetRect() const override {
return mDrawTarget->GetRect() + mOrigin;
}
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 DeviceColor& 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 FillRoundedRect(
const RoundedRect& 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()) override;
virtual void StrokeGlyphs(
ScaledFont* aFont, const GlyphBuffer& aBuffer, const Pattern& aPattern,
const StrokeOptions& aStrokeOptions = StrokeOptions(),
const DrawOptions& aOptions = DrawOptions()) 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 PushLayerWithBlend(
bool aOpaque, Float aOpacity, SourceSurface* aMask,
const Matrix& aMaskTransform, const IntRect& aBounds = IntRect(),
bool aCopyBackground = false,
CompositionOp = CompositionOp::OP_OVER) override;
virtual bool Draw3DTransformedSurface(SourceSurface* aSurface,
const Matrix4x4& aMatrix) override;
virtual void PopLayer() override;
virtual void SetTransform(const Matrix& aTransform) override;
virtual void SetPermitSubpixelAA(bool aPermitSubpixelAA) override;
virtual already_AddRefed<SourceSurface> CreateSourceSurfaceFromData(
unsigned char* aData, const IntSize& aSize, int32_t aStride,
SurfaceFormat aFormat) const override {
return mDrawTarget->CreateSourceSurfaceFromData(aData, aSize, aStride,
aFormat);
}
virtual already_AddRefed<SourceSurface> OptimizeSourceSurface(
SourceSurface* aSurface) const override {
return mDrawTarget->OptimizeSourceSurface(aSurface);
}
virtual already_AddRefed<SourceSurface> CreateSourceSurfaceFromNativeSurface(
const NativeSurface& aSurface) const override {
return mDrawTarget->CreateSourceSurfaceFromNativeSurface(aSurface);
}
virtual already_AddRefed<DrawTarget> CreateSimilarDrawTarget(
const IntSize& aSize, SurfaceFormat aFormat) const override {
return mDrawTarget->CreateSimilarDrawTarget(aSize, aFormat);
}
virtual bool CanCreateSimilarDrawTarget(
const IntSize& aSize, SurfaceFormat aFormat) const override {
return mDrawTarget->CanCreateSimilarDrawTarget(aSize, aFormat);
}
virtual RefPtr<DrawTarget> CreateClippedDrawTarget(
const Rect& aBounds, SurfaceFormat aFormat) override {
RefPtr<DrawTarget> dt =
mDrawTarget->CreateClippedDrawTarget(aBounds, aFormat);
RefPtr<DrawTarget> result =
gfx::Factory::CreateOffsetDrawTarget(dt, mOrigin);
result->SetTransform(mTransform);
return result;
}
virtual already_AddRefed<PathBuilder> CreatePathBuilder(
FillRule aFillRule = FillRule::FILL_WINDING) const override {
return mDrawTarget->CreatePathBuilder(aFillRule);
}
virtual already_AddRefed<GradientStops> CreateGradientStops(
GradientStop* aStops, uint32_t aNumStops,
ExtendMode aExtendMode = ExtendMode::CLAMP) const override {
return mDrawTarget->CreateGradientStops(aStops, aNumStops, aExtendMode);
}
virtual already_AddRefed<FilterNode> CreateFilter(FilterType aType) override {
return mDrawTarget->CreateFilter(aType);
}
private:
RefPtr<DrawTarget> mDrawTarget;
IntPoint mOrigin;
};
} // namespace gfx
} // namespace mozilla
#endif
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