/* -*- 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_DrawTargetCG_h #define mozilla_gfx_DrawTargetCG_h #include #include "2D.h" #include "Rect.h" #include "PathCG.h" #include "SourceSurfaceCG.h" #include "GLDefs.h" #include "Tools.h" namespace mozilla { namespace gfx { static inline CGAffineTransform GfxMatrixToCGAffineTransform(Matrix m) { CGAffineTransform t; t.a = m._11; t.b = m._12; t.c = m._21; t.d = m._22; t.tx = m._31; t.ty = m._32; return t; } static inline Rect CGRectToRect(CGRect rect) { return Rect(rect.origin.x, rect.origin.y, rect.size.width, rect.size.height); } static inline Point CGPointToPoint(CGPoint point) { return Point(point.x, point.y); } static inline void SetStrokeOptions(CGContextRef cg, const StrokeOptions &aStrokeOptions) { switch (aStrokeOptions.mLineCap) { case CAP_BUTT: CGContextSetLineCap(cg, kCGLineCapButt); break; case CAP_ROUND: CGContextSetLineCap(cg, kCGLineCapRound); break; case CAP_SQUARE: CGContextSetLineCap(cg, kCGLineCapSquare); break; } switch (aStrokeOptions.mLineJoin) { case JOIN_BEVEL: CGContextSetLineJoin(cg, kCGLineJoinBevel); break; case JOIN_ROUND: CGContextSetLineJoin(cg, kCGLineJoinRound); break; case JOIN_MITER: case JOIN_MITER_OR_BEVEL: CGContextSetLineJoin(cg, kCGLineJoinMiter); break; } CGContextSetLineWidth(cg, aStrokeOptions.mLineWidth); CGContextSetMiterLimit(cg, aStrokeOptions.mMiterLimit); // XXX: rename mDashLength to dashLength if (aStrokeOptions.mDashLength > 0) { // we use a regular array instead of a std::vector here because we don't want to leak the include CGFloat *dashes = new CGFloat[aStrokeOptions.mDashLength]; for (size_t i=0; i Snapshot(); virtual void DrawSurface(SourceSurface *aSurface, const Rect &aDest, const Rect &aSource, const DrawSurfaceOptions &aSurfOptions = DrawSurfaceOptions(), const DrawOptions &aOptions = DrawOptions()); virtual void DrawFilter(FilterNode *aNode, const Rect &aSourceRect, const Point &aDestPoint, const DrawOptions &aOptions = DrawOptions()); virtual void MaskSurface(const Pattern &aSource, SourceSurface *aMask, Point aOffset, const DrawOptions &aOptions = DrawOptions()); virtual void FillRect(const Rect &aRect, const Pattern &aPattern, const DrawOptions &aOptions = DrawOptions()); //XXX: why do we take a reference to SurfaceFormat? bool Init(BackendType aType, const IntSize &aSize, SurfaceFormat&); bool Init(BackendType aType, unsigned char* aData, const IntSize &aSize, int32_t aStride, SurfaceFormat aFormat); bool Init(CGContextRef cgContext, const IntSize &aSize); // Flush if using IOSurface context virtual void Flush(); virtual void DrawSurfaceWithShadow(SourceSurface *, const Point &, const Color &, const Point &, Float, CompositionOp); virtual void ClearRect(const Rect &); virtual void CopySurface(SourceSurface *, const IntRect&, const IntPoint&); virtual void StrokeRect(const Rect &, const Pattern &, const StrokeOptions&, const DrawOptions&); virtual void StrokeLine(const Point &, const Point &, const Pattern &, const StrokeOptions &, const DrawOptions &); virtual void Stroke(const Path *, const Pattern &, const StrokeOptions &, const DrawOptions &); virtual void Fill(const Path *, const Pattern &, const DrawOptions &); virtual void FillGlyphs(ScaledFont *, const GlyphBuffer&, const Pattern &, const DrawOptions &, const GlyphRenderingOptions *); virtual void Mask(const Pattern &aSource, const Pattern &aMask, const DrawOptions &aOptions = DrawOptions()); virtual void PushClip(const Path *); virtual void PushClipRect(const Rect &aRect); virtual void PopClip(); virtual TemporaryRef CreateSourceSurfaceFromNativeSurface(const NativeSurface&) const { return nullptr;} virtual TemporaryRef CreateSimilarDrawTarget(const IntSize &, SurfaceFormat) const; virtual TemporaryRef CreatePathBuilder(FillRule) const; virtual TemporaryRef CreateGradientStops(GradientStop *, uint32_t, ExtendMode aExtendMode = EXTEND_CLAMP) const; virtual TemporaryRef CreateFilter(FilterType aType); virtual void *GetNativeSurface(NativeSurfaceType); virtual IntSize GetSize() { return mSize; } /* This is for creating good compatible surfaces */ virtual TemporaryRef CreateSourceSurfaceFromData(unsigned char *aData, const IntSize &aSize, int32_t aStride, SurfaceFormat aFormat) const; virtual TemporaryRef OptimizeSourceSurface(SourceSurface *aSurface) const; CGContextRef GetCGContext() { return mCg; } private: void MarkChanged(); IntSize mSize; CGColorSpaceRef mColorSpace; CGContextRef mCg; /** * The image buffer, if the buffer is owned by this class. * If the DrawTarget was created for a pre-existing buffer or if the buffer's * lifetime is managed by CoreGraphics, mData will be null. * Data owned by DrawTargetCG will be deallocated in the destructor. */ AlignedArray mData; RefPtr mSnapshot; }; } } #endif