/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the Collabora Office project. * * 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/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #pragma once #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include typedef struct _cairo cairo_t; typedef struct _cairo_surface cairo_surface_t; typedef struct _cairo_user_data_key cairo_user_data_key_t; class Gradient; class SalBitmap; struct SalGradient; VCL_DLLPUBLIC void dl_cairo_surface_set_device_scale(cairo_surface_t* surface, double x_scale, double y_scale); VCL_DLLPUBLIC void dl_cairo_surface_get_device_scale(cairo_surface_t* surface, double* x_scale, double* y_scale); VCL_DLLPUBLIC basegfx::B2DRange getFillDamage(cairo_t* cr); VCL_DLLPUBLIC basegfx::B2DRange getClipBox(cairo_t* cr); VCL_DLLPUBLIC basegfx::B2DRange getClippedFillDamage(cairo_t* cr); VCL_DLLPUBLIC basegfx::B2DRange getClippedStrokeDamage(cairo_t* cr); VCL_DLLPUBLIC basegfx::B2DRange getStrokeDamage(cairo_t* cr); class SystemDependentData_CairoPath final : public basegfx::SystemDependentData { private: // the path data itself cairo_path_t* mpCairoPath; // all other values the path data is based on and // need to be compared with to check for data validity bool mbNoJoin; bool mbAntiAlias; std::vector maStroke; public: SystemDependentData_CairoPath(size_t nSizeMeasure, cairo_t* cr, bool bNoJoin, bool bAntiAlias, const std::vector* pStroke); // MM01 virtual ~SystemDependentData_CairoPath() override; // read access cairo_path_t* getCairoPath() { return mpCairoPath; } bool getNoJoin() const { return mbNoJoin; } bool getAntiAlias() const { return mbAntiAlias; } const std::vector& getStroke() const { return maStroke; } virtual sal_Int64 estimateUsageInBytes() const override; }; class UNLESS_MERGELIBS(VCL_DLLPUBLIC) PixelSnapper { public: basegfx::B2DPoint snap(const basegfx::B2DPolygon& rPolygon, const basegfx::B2DHomMatrix& rObjectToDevice, basegfx::B2DHomMatrix& rObjectToDeviceInv, sal_uInt32 nIndex); private: basegfx::B2DPoint maPrevPoint, maCurrPoint, maNextPoint; basegfx::B2ITuple maPrevTuple, maCurrTuple, maNextTuple; }; VCL_DLLPUBLIC void add_polygon_path(cairo_t* cr, const basegfx::B2DPolyPolygon& rPolyPolygon, const basegfx::B2DHomMatrix& rObjectToDevice, bool bPixelSnap); VCL_DLLPUBLIC cairo_format_t getCairoFormat(const BitmapBuffer& rBuffer); VCL_DLLPUBLIC std::optional FastConvert24BitRgbTo32BitCairo(const BitmapBuffer* pSrc); enum class PaintMode { Over, Xor }; typedef void (*damageHandler)(void* handle, sal_Int32 nExtentsX, sal_Int32 nExtentsY, sal_Int32 nExtentsWidth, sal_Int32 nExtentsHeight); struct VCL_DLLPUBLIC DamageHandler { void* handle; damageHandler damaged; }; struct VCL_DLLPUBLIC CairoCommon { cairo_surface_t* m_pSurface; basegfx::B2IVector m_aFrameSize; vcl::Region m_aClipRegion; std::optional m_oLineColor; std::optional m_oFillColor; PaintMode m_ePaintMode; double m_fScale; CairoCommon() : m_pSurface(nullptr) , m_oLineColor(Color(0x00, 0x00, 0x00)) , m_oFillColor(Color(0xFF, 0xFF, 0XFF)) , m_ePaintMode(PaintMode::Over) , m_fScale(1.0) { } static cairo_user_data_key_t* getDamageKey(); cairo_surface_t* getSurface() const { return m_pSurface; } sal_uInt16 GetBitCount() const; cairo_t* getCairoContext(bool bXorModeAllowed, bool bAntiAlias) const; void releaseCairoContext(cairo_t* cr, bool bXorModeAllowed, const basegfx::B2DRange& rExtents) const; void applyFullDamage() const; cairo_t* createTmpCompatibleCairoContext() const; static void applyColor(cairo_t* cr, Color rColor, double fTransparency = 0.0); static void applyColor2(cairo_t* cr, Color rColor); void clipRegion(cairo_t* cr); static void clipRegion(cairo_t* cr, const vcl::Region& rClipRegion); void SetXORMode(bool bSet, bool bInvertOnly); void SetROPLineColor(SalROPColor nROPColor); void SetROPFillColor(SalROPColor nROPColor); void drawPixel(const std::optional& rLineColor, tools::Long nX, tools::Long nY, bool bAntiAlias); static Color getPixel(cairo_surface_t* pSurface, tools::Long nX, tools::Long nY); void drawLine(tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2, bool bAntiAlias); void drawRect(double nX, double nY, double nWidth, double nHeight, bool bAntiAlias); void drawPolygon(sal_uInt32 nPoints, const Point* pPtAry, bool bAntiAlias); void drawPolyPolygon(sal_uInt32 nPoly, const sal_uInt32* pPoints, const Point** pPtAry, bool bAntiAlias); void drawPolyPolygon(const basegfx::B2DHomMatrix& rObjectToDevice, const basegfx::B2DPolyPolygon&, double fTransparency, bool bAntiAlias); void drawPolyLine(sal_uInt32 nPoints, const Point* pPtAry, bool bAntiAlias); bool drawPolyLine(const basegfx::B2DHomMatrix& rObjectToDevice, const basegfx::B2DPolygon& rPolyLine, double fTransparency, double fLineWidth, const std::vector* pStroke, basegfx::B2DLineJoin eLineJoin, css::drawing::LineCap eLineCap, double fMiterMinimumAngle, bool bPixelSnapHairline, bool bAntiAlias); bool drawAlphaRect(tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, sal_uInt8 nTransparency, bool bAntiAlias); bool drawGradient(const tools::PolyPolygon& rPolyPolygon, const Gradient& rGradient, bool bAntiAlias); bool implDrawGradient(basegfx::B2DPolyPolygon const& rPolyPolygon, SalGradient const& rGradient, bool bAntiAlias); void copyWithOperator(const SalTwoRect& rTR, cairo_surface_t* source, cairo_operator_t eOp, bool bAntiAlias); void copySource(const SalTwoRect& rTR, cairo_surface_t* source, bool bAntiAlias); static basegfx::B2DRange renderSource(cairo_t* cr, const SalTwoRect& rTR, cairo_surface_t* source); void copyBitsCairo(const SalTwoRect& rTR, cairo_surface_t* pSourceSurface, bool bAntiAlias, bool bAlphaBlend = false); void invert(const basegfx::B2DPolygon& rPoly, SalInvert nFlags, bool bAntiAlias); void invert(tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, SalInvert nFlags, bool bAntiAlias); void invert(sal_uInt32 nPoints, const Point* pPtAry, SalInvert nFlags, bool bAntiAlias); void drawBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap, bool bAntiAlias); void drawAlphaBitmap(const SalTwoRect& rTR, const SalBitmap& rSourceBitmap, bool bAntiAlias); bool drawTransformedBitmap(const basegfx::B2DPoint& rNull, const basegfx::B2DPoint& rX, const basegfx::B2DPoint& rY, const SalBitmap& rSourceBitmap, double fAlpha, bool bAntiAlias); void drawMask(const SalTwoRect& rTR, const SalBitmap& rSalBitmap, Color nMaskColor, bool bAntiAlias); std::shared_ptr getBitmap(tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, bool bWithoutAlpha); static cairo_surface_t* createCairoSurface(const BitmapBuffer* pBuffer); static bool supportsOperation(OutDevSupportType eType); private: void doXorOnRelease(sal_Int32 nExtentsLeft, sal_Int32 nExtentsTop, sal_Int32 nExtentsRight, sal_Int32 nExtentsBottom, cairo_surface_t* const surface, sal_Int32 nWidth) const; }; class UNLESS_MERGELIBS(VCL_DLLPUBLIC) SurfaceHelper { private: cairo_surface_t* pSurface; std::unordered_map maDownscaled; SurfaceHelper(const SurfaceHelper&) = delete; SurfaceHelper& operator=(const SurfaceHelper&) = delete; cairo_surface_t* implCreateOrReuseDownscale(unsigned long nTargetWidth, unsigned long nTargetHeight); protected: cairo_surface_t* implGetSurface() const { return pSurface; } void implSetSurface(cairo_surface_t* pNew) { pSurface = pNew; } bool isTrivial() const; public: explicit SurfaceHelper(); ~SurfaceHelper(); cairo_surface_t* getSurface(unsigned long nTargetWidth = 0, unsigned long nTargetHeight = 0) const; }; /* vim:set shiftwidth=4 softtabstop=4 expandtab: */