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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice 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 .
*/
#ifndef INCLUDED_VCL_INC_HEADLESS_SVPGDI_HXX
#define INCLUDED_VCL_INC_HEADLESS_SVPGDI_HXX
#ifdef IOS
#error This file is not for iOS
#endif
#include <osl/endian.h>
#include <vcl/sysdata.hxx>
#include <config_cairo_canvas.h>
#include <salgdi.hxx>
#include <sallayout.hxx>
#include "svpcairotextrender.hxx"
#include <impfontmetricdata.hxx>
#include <cairo.h>
//Using formats that match cairo's formats. For android we patch cairo,
//which is internal in that case, to swap the rgb components so that
//cairo then matches the OpenGL GL_RGBA format so we can use it there
//where we don't have GL_BGRA support.
// SVP_24BIT_FORMAT is used to store 24-bit images in 3-byte pixels to conserve memory.
#if defined ANDROID
# define SVP_24BIT_FORMAT (ScanlineFormat::N24BitTcRgb | ScanlineFormat::TopDown)
# define SVP_CAIRO_FORMAT (ScanlineFormat::N32BitTcRgba | ScanlineFormat::TopDown)
# define SVP_CAIRO_BLUE 1
# define SVP_CAIRO_GREEN 2
# define SVP_CAIRO_RED 0
# define SVP_CAIRO_ALPHA 3
#elif defined OSL_BIGENDIAN
# define SVP_24BIT_FORMAT (ScanlineFormat::N24BitTcRgb | ScanlineFormat::TopDown)
# define SVP_CAIRO_FORMAT (ScanlineFormat::N32BitTcArgb | ScanlineFormat::TopDown)
# define SVP_CAIRO_BLUE 3
# define SVP_CAIRO_GREEN 2
# define SVP_CAIRO_RED 1
# define SVP_CAIRO_ALPHA 0
#else
# define SVP_24BIT_FORMAT (ScanlineFormat::N24BitTcBgr | ScanlineFormat::TopDown)
# define SVP_CAIRO_FORMAT (ScanlineFormat::N32BitTcBgra | ScanlineFormat::TopDown)
# define SVP_CAIRO_BLUE 0
# define SVP_CAIRO_GREEN 1
# define SVP_CAIRO_RED 2
# define SVP_CAIRO_ALPHA 3
#endif
struct BitmapBuffer;
class GlyphCache;
class FreetypeFont;
typedef struct _cairo cairo_t;
typedef struct _cairo_surface cairo_surface_t;
typedef struct _cairo_user_data_key cairo_user_data_key_t;
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);
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;
};
class VCL_DLLPUBLIC SvpSalGraphics : public SalGraphics
{
cairo_surface_t* m_pSurface;
basegfx::B2IVector m_aFrameSize;
double m_fScale;
Color m_aLineColor;
Color m_aFillColor;
PaintMode m_ePaintMode;
public:
static GlyphCache& getPlatformGlyphCache();
void setSurface(cairo_surface_t* pSurface, const basegfx::B2IVector& rSize);
cairo_surface_t* getSurface() const { return m_pSurface; }
static cairo_user_data_key_t* getDamageKey();
static void clipRegion(cairo_t* cr, const vcl::Region& rClipRegion);
// need this static version of ::drawPolyLine for usage from
// vcl/unx/generic/gdi/salgdi.cxx. It gets wrapped by
// ::drawPolyLine with some added parameters (see there)
static bool drawPolyLine(
cairo_t* cr,
basegfx::B2DRange* pExtents,
const Color& rLineColor,
bool bAntiAliasB2DDraw,
const basegfx::B2DHomMatrix& rObjectToDevice,
const basegfx::B2DPolygon& rPolyLine,
double fTransparency,
const basegfx::B2DVector& rLineWidths,
basegfx::B2DLineJoin eLineJoin,
css::drawing::LineCap eLineCap,
double fMiterMinimumAngle,
bool bPixelSnapHairline);
void copySource(const SalTwoRect& rTR, cairo_surface_t* source);
void copyWithOperator(const SalTwoRect& rTR, cairo_surface_t* source,
cairo_operator_t eOp = CAIRO_OPERATOR_SOURCE);
private:
void invert(const basegfx::B2DPolygon &rPoly, SalInvert nFlags);
void applyColor(cairo_t *cr, Color rColor, double fTransparency = 0.0);
protected:
vcl::Region m_aClipRegion;
SvpCairoTextRender m_aTextRenderImpl;
protected:
virtual bool blendBitmap( const SalTwoRect&, const SalBitmap& rBitmap ) override;
virtual bool blendAlphaBitmap( const SalTwoRect&,
const SalBitmap& rSrcBitmap,
const SalBitmap& rMaskBitmap,
const SalBitmap& rAlphaBitmap ) override;
virtual bool drawAlphaBitmap( const SalTwoRect&, const SalBitmap& rSourceBitmap, const SalBitmap& rAlphaBitmap ) override;
virtual bool drawTransformedBitmap(
const basegfx::B2DPoint& rNull,
const basegfx::B2DPoint& rX,
const basegfx::B2DPoint& rY,
const SalBitmap& rSourceBitmap,
const SalBitmap* pAlphaBitmap) override;
virtual bool drawAlphaRect( long nX, long nY, long nWidth, long nHeight, sal_uInt8 nTransparency ) override;
cairo_t* createTmpCompatibleCairoContext() const;
public:
SvpSalGraphics();
virtual ~SvpSalGraphics() override;
virtual SalGraphicsImpl* GetImpl() const override { return nullptr; };
virtual void GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY ) override;
virtual sal_uInt16 GetBitCount() const override;
virtual long GetGraphicsWidth() const override;
virtual void ResetClipRegion() override;
virtual bool setClipRegion( const vcl::Region& ) override;
virtual void SetLineColor() override;
virtual void SetLineColor( Color nColor ) override;
virtual void SetFillColor() override;
virtual void SetFillColor( Color nColor ) override;
virtual void SetXORMode( bool bSet, bool ) override;
virtual void SetROPLineColor( SalROPColor nROPColor ) override;
virtual void SetROPFillColor( SalROPColor nROPColor ) override;
virtual void SetTextColor( Color nColor ) override;
virtual void SetFont(LogicalFontInstance*, int nFallbackLevel) override;
virtual void GetFontMetric( ImplFontMetricDataRef&, int nFallbackLevel ) override;
virtual const FontCharMapRef GetFontCharMap() const override;
virtual bool GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const override;
virtual void GetDevFontList( PhysicalFontCollection* ) override;
virtual void ClearDevFontCache() override;
virtual bool AddTempDevFont( PhysicalFontCollection*, const OUString& rFileURL, const OUString& rFontName ) override;
virtual bool CreateFontSubset( const OUString& rToFile,
const PhysicalFontFace*,
const sal_GlyphId* pGlyphIds,
const sal_uInt8* pEncoding,
sal_Int32* pWidths,
int nGlyphs,
FontSubsetInfo& rInfo
) override;
virtual const void* GetEmbedFontData(const PhysicalFontFace*, long* pDataLen) override;
virtual void FreeEmbedFontData( const void* pData, long nDataLen ) override;
virtual void GetGlyphWidths( const PhysicalFontFace*,
bool bVertical,
std::vector< sal_Int32 >& rWidths,
Ucs2UIntMap& rUnicodeEnc ) override;
virtual std::unique_ptr<GenericSalLayout>
GetTextLayout(int nFallbackLevel) override;
virtual void DrawTextLayout( const GenericSalLayout& ) override;
virtual bool supportsOperation( OutDevSupportType ) const override;
virtual void drawPixel( long nX, long nY ) override;
virtual void drawPixel( long nX, long nY, Color nColor ) override;
virtual void drawLine( long nX1, long nY1, long nX2, long nY2 ) override;
virtual void drawRect( long nX, long nY, long nWidth, long nHeight ) override;
virtual bool drawPolyPolygon(
const basegfx::B2DHomMatrix& rObjectToDevice,
const basegfx::B2DPolyPolygon&,
double fTransparency ) override;
virtual bool drawPolyLine(
const basegfx::B2DHomMatrix& rObjectToDevice,
const basegfx::B2DPolygon&,
double fTransparency,
const basegfx::B2DVector& rLineWidths,
basegfx::B2DLineJoin,
css::drawing::LineCap,
double fMiterMinimumAngle,
bool bPixelSnapHairline) override;
virtual void drawPolyLine( sal_uInt32 nPoints, const SalPoint* pPtAry ) override;
virtual void drawPolygon( sal_uInt32 nPoints, const SalPoint* pPtAry ) override;
virtual void drawPolyPolygon( sal_uInt32 nPoly,
const sal_uInt32* pPoints,
PCONSTSALPOINT* pPtAry ) override;
virtual bool drawPolyLineBezier( sal_uInt32 nPoints,
const SalPoint* pPtAry,
const PolyFlags* pFlgAry ) override;
virtual bool drawPolygonBezier( sal_uInt32 nPoints,
const SalPoint* pPtAry,
const PolyFlags* pFlgAry ) override;
virtual bool drawPolyPolygonBezier( sal_uInt32 nPoly,
const sal_uInt32* pPoints,
const SalPoint* const* pPtAry,
const PolyFlags* const* pFlgAry ) override;
virtual bool drawGradient( const tools::PolyPolygon&, const Gradient& ) override { return false; };
virtual void copyArea( long nDestX,
long nDestY,
long nSrcX,
long nSrcY,
long nSrcWidth,
long nSrcHeight,
bool bWindowInvalidate) override;
virtual void copyBits( const SalTwoRect& rPosAry,
SalGraphics* pSrcGraphics ) override;
virtual void drawBitmap( const SalTwoRect& rPosAry,
const SalBitmap& rSalBitmap ) override;
void drawBitmap( const SalTwoRect& rPosAry,
const BitmapBuffer* pBuffer,
cairo_operator_t eOp );
virtual void drawBitmap( const SalTwoRect& rPosAry,
const SalBitmap& rSalBitmap,
const SalBitmap& rTransparentBitmap ) override;
virtual void drawMask( const SalTwoRect& rPosAry,
const SalBitmap& rSalBitmap,
Color nMaskColor ) override;
virtual std::shared_ptr<SalBitmap> getBitmap( long nX, long nY, long nWidth, long nHeight ) override;
virtual Color getPixel( long nX, long nY ) override;
virtual void invert( long nX, long nY, long nWidth, long nHeight, SalInvert nFlags ) override;
virtual void invert( sal_uInt32 nPoints, const SalPoint* pPtAry, SalInvert nFlags ) override;
virtual bool drawEPS( long nX, long nY, long nWidth, long nHeight, void* pPtr, sal_uInt32 nSize ) override;
virtual SystemGraphicsData GetGraphicsData() const override;
#if ENABLE_CAIRO_CANVAS
virtual bool SupportsCairo() const override;
virtual cairo::SurfaceSharedPtr CreateSurface(const cairo::CairoSurfaceSharedPtr& rSurface) const override;
virtual cairo::SurfaceSharedPtr CreateSurface(const OutputDevice& rRefDevice, int x, int y, int width, int height) const override;
virtual cairo::SurfaceSharedPtr CreateBitmapSurface(const OutputDevice& rRefDevice, const BitmapSystemData& rData, const Size& rSize) const override;
virtual css::uno::Any GetNativeSurfaceHandle(cairo::SurfaceSharedPtr& rSurface, const basegfx::B2ISize& rSize) const override;
virtual SystemFontData GetSysFontData( int nFallbacklevel ) const override;
#endif // ENABLE_CAIRO_CANVAS
cairo_t* getCairoContext(bool bXorModeAllowed) const;
void releaseCairoContext(cairo_t* cr, bool bXorModeAllowed, const basegfx::B2DRange& rExtents) const;
static cairo_surface_t* createCairoSurface(const BitmapBuffer *pBuffer);
void clipRegion(cairo_t* cr);
};
#endif // INCLUDED_VCL_INC_HEADLESS_SVPGDI_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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