/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- * 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 GFX_PATTERN_H #define GFX_PATTERN_H #include "gfxTypes.h" #include "gfxMatrix.h" #include "mozilla/Alignment.h" #include "mozilla/gfx/2D.h" #include "mozilla/gfx/PatternHelpers.h" #include "nsISupportsImpl.h" #include "nsTArray.h" typedef struct _cairo_pattern cairo_pattern_t; class gfxPattern final{ NS_INLINE_DECL_REFCOUNTING(gfxPattern) public: explicit gfxPattern(const mozilla::gfx::Color& aColor); // linear gfxPattern(gfxFloat x0, gfxFloat y0, gfxFloat x1, gfxFloat y1); // linear gfxPattern(gfxFloat cx0, gfxFloat cy0, gfxFloat radius0, gfxFloat cx1, gfxFloat cy1, gfxFloat radius1); // radial gfxPattern(mozilla::gfx::SourceSurface *aSurface, const mozilla::gfx::Matrix &aPatternToUserSpace); void AddColorStop(gfxFloat offset, const mozilla::gfx::Color& c); void SetColorStops(mozilla::gfx::GradientStops* aStops); // This should only be called on a cairo pattern that we want to use with // Azure. We will read back the color stops from cairo and try to look // them up in the cache. void CacheColorStops(const mozilla::gfx::DrawTarget *aDT); void SetMatrix(const gfxMatrix& matrix); gfxMatrix GetMatrix() const; gfxMatrix GetInverseMatrix() const; /* Get an Azure Pattern for the current Cairo pattern. aPattern transform * specifies the transform that was set on the DrawTarget when the pattern * was set. When this is nullptr it is assumed the transform is identical * to the current transform. */ mozilla::gfx::Pattern *GetPattern(const mozilla::gfx::DrawTarget *aTarget, mozilla::gfx::Matrix *aOriginalUserToDevice = nullptr); bool IsOpaque(); // clamp, repeat, reflect void SetExtend(mozilla::gfx::ExtendMode aExtend); int CairoStatus(); void SetSamplingFilter(mozilla::gfx::SamplingFilter aSamplingFilter); mozilla::gfx::SamplingFilter SamplingFilter() const; /* returns TRUE if it succeeded */ bool GetSolidColor(mozilla::gfx::Color& aColorOut); private: // Private destructor, to discourage deletion outside of Release(): ~gfxPattern() {} mozilla::gfx::GeneralPattern mGfxPattern; RefPtr<mozilla::gfx::SourceSurface> mSourceSurface; mozilla::gfx::Matrix mPatternToUserSpace; RefPtr<mozilla::gfx::GradientStops> mStops; nsTArray<mozilla::gfx::GradientStop> mStopsList; mozilla::gfx::ExtendMode mExtend; }; #endif /* GFX_PATTERN_H */