mirror of
https://github.com/mozilla/gecko-dev.git
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02849fbb65
Differential Revision: https://phabricator.services.mozilla.com/D89006
203 lines
8.1 KiB
C++
203 lines
8.1 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_DRAWTARGETOFFSET_H_
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#define MOZILLA_GFX_DRAWTARGETOFFSET_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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class SourceSurfaceOffset : public SourceSurface {
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public:
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SourceSurfaceOffset(RefPtr<SourceSurface> aSurface, IntPoint aOffset)
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: mSurface(aSurface), mOffset(aOffset) {
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MOZ_RELEASE_ASSERT(mSurface);
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}
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virtual SurfaceType GetType() const override { return SurfaceType::OFFSET; }
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virtual IntSize GetSize() const override { return mSurface->GetSize(); }
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virtual IntRect GetRect() const override {
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return mSurface->GetRect() + mOffset;
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}
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virtual SurfaceFormat GetFormat() const override {
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return mSurface->GetFormat();
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}
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virtual already_AddRefed<DataSourceSurface> GetDataSurface() override {
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return mSurface->GetDataSurface();
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}
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virtual already_AddRefed<SourceSurface> GetUnderlyingSurface() override {
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return mSurface->GetUnderlyingSurface();
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}
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private:
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RefPtr<SourceSurface> mSurface;
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IntPoint mOffset;
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};
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class DrawTargetOffset : public DrawTarget {
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public:
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DrawTargetOffset();
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bool Init(DrawTarget* aDrawTarget, IntPoint aOrigin);
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// We'll pestimistically return true here
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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 mDrawTarget->IsCaptureDT();
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}
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virtual DrawTargetType GetType() const override {
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return mDrawTarget->GetType();
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}
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virtual BackendType GetBackendType() const override {
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return mDrawTarget->GetBackendType();
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}
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virtual already_AddRefed<SourceSurface> Snapshot() override;
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virtual already_AddRefed<SourceSurface> IntoLuminanceSource(
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LuminanceType aLuminanceType, float aOpacity) override;
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virtual void DetachAllSnapshots() override;
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virtual IntSize GetSize() const override { return mDrawTarget->GetSize(); }
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virtual IntRect GetRect() const override {
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return mDrawTarget->GetRect() + mOrigin;
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}
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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 DeviceColor& 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 FillRoundedRect(
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const RoundedRect& 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 StrokeGlyphs(
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ScaledFont* aFont, const GlyphBuffer& aBuffer, 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 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 bool Draw3DTransformedSurface(SourceSurface* aSurface,
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const Matrix4x4& aMatrix) override;
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virtual void PopLayer() 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 mDrawTarget->CreateSourceSurfaceFromData(aData, aSize, aStride,
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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 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 mDrawTarget->CreateSourceSurfaceFromNativeSurface(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 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 mDrawTarget->CanCreateSimilarDrawTarget(aSize, aFormat);
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}
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virtual RefPtr<DrawTarget> CreateClippedDrawTarget(
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const Rect& aBounds, SurfaceFormat aFormat) override {
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RefPtr<DrawTarget> dt =
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mDrawTarget->CreateClippedDrawTarget(aBounds, aFormat);
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RefPtr<DrawTarget> result =
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gfx::Factory::CreateOffsetDrawTarget(dt, mOrigin);
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result->SetTransform(mTransform);
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return result;
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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 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 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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return mDrawTarget->CreateFilter(aType);
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}
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private:
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RefPtr<DrawTarget> mDrawTarget;
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IntPoint mOrigin;
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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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