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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_OUTDEV_HXX
#define INCLUDED_VCL_OUTDEV_HXX
#include <tools/gen.hxx>
#include <tools/solar.h>
#include <tools/rc.hxx>
#include <tools/color.hxx>
#include <tools/poly.hxx>
#include <o3tl/typed_flags_set.hxx>
#include <vcl/cairo.hxx>
#include <vcl/devicecoordinate.hxx>
#include <vcl/dllapi.h>
#include <vcl/font.hxx>
#include <vcl/region.hxx>
#include <vcl/mapmod.hxx>
#include <vcl/wall.hxx>
#include <vcl/metaact.hxx>
#include <vcl/metaactiontypes.hxx>
#include <vcl/salnativewidgets.hxx>
#include <vcl/outdevstate.hxx>
#include <vcl/outdevmap.hxx>
#include <basegfx/vector/b2enums.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <unotools/fontdefs.hxx>
#ifdef check
# //some problem with MacOSX and a check define
# undef check
#endif
#include <boost/intrusive_ptr.hpp>
#include <com/sun/star/drawing/LineCap.hpp>
#include <com/sun/star/uno/Reference.h>
#include <memory>
#include <vector>
struct ImplOutDevData;
class ImplFontEntry;
class OutDevState;
struct SystemGraphicsData;
struct SystemFontData;
struct SystemTextLayoutData;
class ImplFontCache;
class PhysicalFontCollection;
class ImplGetDevFontList;
class ImplGetDevSizeList;
class ImplMultiTextLineInfo;
class SalGraphics;
class Gradient;
class Hatch;
class AllSettings;
class Bitmap;
class BitmapReadAccess;
class BitmapEx;
class Image;
class TextRectInfo;
class FontMetric;
class GDIMetaFile;
class GfxLink;
class Line;
class LineInfo;
class AlphaMask;
class FontCharMap;
class SalLayout;
class ImplLayoutArgs;
class ImplFontAttributes;
class VirtualDevice;
struct SalTwoRect;
class VirtualDevice;
class Printer;
class FontSelectPattern;
class ImplFontMetricData;
class VCLXGraphics;
class OutDevStateStack;
struct BitmapSystemData;
namespace vcl
{
class PDFWriterImpl;
class ExtOutDevData;
class ITextLayout;
struct FontCapabilities;
class TextLayoutCache;
class Window;
class FontInfo;
}
namespace com { namespace sun { namespace star { namespace rendering {
class XCanvas;
}}}}
namespace basegfx {
class B2DHomMatrix;
class B2DPolygon;
class B2DPolyPolygon;
class B2IVector;
typedef B2IVector B2ISize;
}
namespace com { namespace sun { namespace star { namespace awt {
class XGraphics;
} } } }
#if defined UNX
#define GLYPH_FONT_HEIGHT 128
#else
#define GLYPH_FONT_HEIGHT 256
#endif
// Text Layout options
enum class SalLayoutFlags
{
NONE = 0x0000,
BiDiRtl = 0x0001,
BiDiStrong = 0x0002,
RightAlign = 0x0004,
KerningPairs = 0x0010,
KerningAsian = 0x0020,
Vertical = 0x0040,
ComplexDisabled = 0x0100,
EnableLigatures = 0x0200,
SubstituteDigits = 0x0400,
KashidaJustification = 0x0800,
DisableGlyphProcessing = 0x1000,
ForFallback = 0x2000,
DrawBullet = 0x4000,
};
namespace o3tl
{
template<> struct typed_flags<SalLayoutFlags> : is_typed_flags<SalLayoutFlags, 0x7f77> {};
}
typedef std::vector< Rectangle > MetricVector;
// OutputDevice-Types
// Flags for DrawText()
enum class DrawTextFlags
{
NONE = 0x0000,
Disable = 0x0001,
Mnemonic = 0x0002,
Mono = 0x0004,
Clip = 0x0008,
Left = 0x0010,
Center = 0x0020,
Right = 0x0040,
Top = 0x0080,
VCenter = 0x0100,
Bottom = 0x0200,
EndEllipsis = 0x0400,
PathEllipsis = 0x0800,
MultiLine = 0x1000,
WordBreak = 0x2000,
NewsEllipsis = 0x4000,
// in the long run we should make text style flags longer
// but at the moment we can get away with this 2 bit field for ellipsis style
CenterEllipsis = EndEllipsis | PathEllipsis,
WordBreakHyphenation = 0x8000 | WordBreak,
};
namespace o3tl
{
template<> struct typed_flags<DrawTextFlags> : is_typed_flags<DrawTextFlags, 0xffff> {};
}
// Flags for DrawImage(), these must match the definitions in css::awt::ImageDrawMode
enum class DrawImageFlags
{
NONE = 0x0000,
Disable = 0x0001,
Highlight = 0x0002,
Deactive = 0x0004,
ColorTransform = 0x0008,
SemiTransparent = 0x0010,
};
namespace o3tl
{
template<> struct typed_flags<DrawImageFlags> : is_typed_flags<DrawImageFlags, 0x001f> {};
}
// Flags for DrawGrid()
enum class DrawGridFlags
{
NONE = 0x0000,
Dots = 0x0001,
HorzLines = 0x0002,
VertLines = 0x0004,
Lines = HorzLines | VertLines,
};
namespace o3tl
{
template<> struct typed_flags<DrawGridFlags> : is_typed_flags<DrawGridFlags, 0x0007> {};
}
// DrawModes
enum class DrawModeFlags : sal_uLong
{
Default = 0x00000000,
BlackLine = 0x00000001,
BlackFill = 0x00000002,
BlackText = 0x00000004,
BlackBitmap = 0x00000008,
BlackGradient = 0x00000010,
GrayLine = 0x00000020,
GrayFill = 0x00000040,
GrayText = 0x00000080,
GrayBitmap = 0x00000100,
GrayGradient = 0x00000200,
NoFill = 0x00000400,
NoBitmap = 0x00000800,
NoGradient = 0x00001000,
GhostedLine = 0x00002000,
GhostedFill = 0x00004000,
GhostedText = 0x00008000,
GhostedBitmap = 0x00010000,
GhostedGradient = 0x00020000,
WhiteLine = 0x00100000,
WhiteFill = 0x00200000,
WhiteText = 0x00400000,
WhiteBitmap = 0x00800000,
WhiteGradient = 0x01000000,
SettingsLine = 0x02000000,
SettingsFill = 0x04000000,
SettingsText = 0x08000000,
SettingsGradient = 0x10000000,
NoTransparency = 0x80000000,
};
namespace o3tl
{
template<> struct typed_flags<DrawModeFlags> : is_typed_flags<DrawModeFlags, 0x9ff3ffff> {};
}
// Antialiasing
enum class AntialiasingFlags
{
NONE = 0x0000,
DisableText = 0x0001,
EnableB2dDraw = 0x0002,
PixelSnapHairline = 0x0004,
};
namespace o3tl
{
template<> struct typed_flags<AntialiasingFlags> : is_typed_flags<AntialiasingFlags, 0x07> {};
}
// AddFontSubstitute
#define FONT_SUBSTITUTE_ALWAYS ((sal_uInt16)0x0001)
#define FONT_SUBSTITUTE_SCREENONLY ((sal_uInt16)0x0002)
#define DEFAULTFONT_FLAGS_ONLYONE ((sal_uLong)0x00000001)
enum OutDevType { OUTDEV_DONTKNOW, OUTDEV_WINDOW, OUTDEV_PRINTER, OUTDEV_VIRDEV };
enum OutDevViewType { OUTDEV_VIEWTYPE_DONTKNOW, OUTDEV_VIEWTYPE_PRINTPREVIEW, OUTDEV_VIEWTYPE_SLIDESHOW };
// OutputDevice
typedef boost::intrusive_ptr< FontCharMap > FontCharMapPtr;
BmpMirrorFlags AdjustTwoRect( SalTwoRect& rTwoRect, const Size& rSizePix );
void AdjustTwoRect( SalTwoRect& rTwoRect, const Rectangle& rValidSrcRect );
extern const sal_uLong nVCLRLut[ 6 ];
extern const sal_uLong nVCLGLut[ 6 ];
extern const sal_uLong nVCLBLut[ 6 ];
extern const sal_uLong nVCLDitherLut[ 256 ];
extern const sal_uLong nVCLLut[ 256 ];
class OutputDevice;
namespace vcl {
typedef OutputDevice RenderContext;
}
class VCL_DLLPUBLIC OutputDevice
{
friend class Printer;
friend class VirtualDevice;
friend class vcl::Window;
friend class WorkWindow;
friend class vcl::PDFWriterImpl;
friend void ImplHandleResize( vcl::Window* pWindow, long nNewWidth, long nNewHeight );
// All of this will need to be replicated in Window
// or a shared base-class as/when we can break the
// OutputDevice -> Window inheritance.
private:
mutable int mnRefCnt; // reference count
template<typename T> friend class ::rtl::Reference;
template<typename T> friend class ::VclPtr;
inline void acquire() const
{
assert(mnRefCnt>0);
mnRefCnt++;
}
inline void release() const
{
assert(mnRefCnt>0);
if (!--mnRefCnt)
delete this;
}
private:
OutputDevice(const OutputDevice&) SAL_DELETED_FUNCTION;
OutputDevice& operator=(const OutputDevice&) SAL_DELETED_FUNCTION;
mutable SalGraphics* mpGraphics; ///< Graphics context to draw on
mutable VclPtr<OutputDevice> mpPrevGraphics; ///< Previous output device in list
mutable VclPtr<OutputDevice> mpNextGraphics; ///< Next output device in list
GDIMetaFile* mpMetaFile;
mutable ImplFontEntry* mpFontEntry;
mutable ImplFontCache* mpFontCache;
mutable PhysicalFontCollection* mpFontCollection;
mutable ImplGetDevFontList* mpGetDevFontList;
mutable ImplGetDevSizeList* mpGetDevSizeList;
OutDevStateStack* mpOutDevStateStack;
ImplOutDevData* mpOutDevData;
std::vector< VCLXGraphics* >* mpUnoGraphicsList;
vcl::PDFWriterImpl* mpPDFWriter;
vcl::ExtOutDevData* mpExtOutDevData;
// TEMP TEMP TEMP
VclPtr<VirtualDevice> mpAlphaVDev;
/// Additional output pixel offset, applied in LogicToPixel (used by SetPixelOffset/GetPixelOffset)
long mnOutOffOrigX;
/// Additional output offset in _logical_ coordinates, applied in PixelToLogic (used by SetPixelOffset/GetPixelOffset)
long mnOutOffLogicX;
/// Additional output pixel offset, applied in LogicToPixel (used by SetPixelOffset/GetPixelOffset)
long mnOutOffOrigY;
/// Additional output offset in _logical_ coordinates, applied in PixelToLogic (used by SetPixelOffset/GetPixelOffset)
long mnOutOffLogicY;
/// Output offset for device output in pixel (pseudo window offset within window system's frames)
long mnOutOffX;
/// Output offset for device output in pixel (pseudo window offset within window system's frames)
long mnOutOffY;
long mnOutWidth;
long mnOutHeight;
sal_Int32 mnDPIX;
sal_Int32 mnDPIY;
sal_Int32 mnDPIScaleFactor; ///< For Hi-DPI displays, we want to draw everything mnDPIScaleFactor-times larger
/// font specific text alignment offsets in pixel units
mutable long mnTextOffX;
mutable long mnTextOffY;
mutable long mnEmphasisAscent;
mutable long mnEmphasisDescent;
DrawModeFlags mnDrawMode;
ComplexTextLayoutMode mnTextLayoutMode;
ImplMapRes maMapRes;
ImplThresholdRes maThresRes;
OutDevType meOutDevType;
OutDevViewType meOutDevViewType;
vcl::Region maRegion; // contains the clip region, see SetClipRegion(...)
Color maLineColor;
Color maFillColor;
vcl::Font maFont;
Color maTextColor;
Color maTextLineColor;
Color maOverlineColor;
TextAlign meTextAlign;
RasterOp meRasterOp;
Wallpaper maBackground;
std::unique_ptr<AllSettings> mxSettings;
MapMode maMapMode;
Point maRefPoint;
AntialiasingFlags mnAntialiasing;
LanguageType meTextLanguage;
/// bitfield
mutable bool mbMap : 1;
mutable bool mbMapIsDefault : 1;
mutable bool mbClipRegion : 1;
mutable bool mbBackground : 1;
mutable bool mbOutput : 1;
mutable bool mbDevOutput : 1;
mutable bool mbOutputClipped : 1;
mutable bool mbLineColor : 1;
mutable bool mbFillColor : 1;
mutable bool mbInitLineColor : 1;
mutable bool mbInitFillColor : 1;
mutable bool mbInitFont : 1;
mutable bool mbInitTextColor : 1;
mutable bool mbInitClipRegion : 1;
mutable bool mbClipRegionSet : 1;
mutable bool mbKerning : 1;
mutable bool mbNewFont : 1;
mutable bool mbTextLines : 1;
mutable bool mbTextBackground : 1;
mutable bool mbTextSpecial : 1;
mutable bool mbRefPoint : 1;
mutable bool mbEnableRTL : 1;
mutable bool mbDisposed : 1;
/** @name Initialization and accessor functions
*/
///@{
protected:
OutputDevice();
public:
virtual ~OutputDevice();
protected:
/// release all references to other objects.
virtual void dispose();
public:
/// call the dispose() method if we have not already been disposed.
void disposeOnce();
bool isDisposed() const { return mbDisposed; }
public:
/** Get the graphic context that the output device uses to draw on.
If no graphics device exists, then initialize it.
@returns SalGraphics instance.
*/
SalGraphics const *GetGraphics() const;
SalGraphics* GetGraphics();
void SetConnectMetaFile( GDIMetaFile* pMtf );
GDIMetaFile* GetConnectMetaFile() const { return mpMetaFile; }
virtual void SetSettings( const AllSettings& rSettings );
const AllSettings& GetSettings() const { return *mxSettings; }
SystemGraphicsData GetSystemGfxData() const;
bool SupportsCairo() const;
/// Create Surface from given cairo surface
cairo::SurfaceSharedPtr CreateSurface(const cairo::CairoSurfaceSharedPtr& rSurface) const;
/// Create surface with given dimensions
cairo::SurfaceSharedPtr CreateSurface(int x, int y, int width, int height) const;
/// Create Surface for given bitmap data
cairo::SurfaceSharedPtr CreateBitmapSurface(const BitmapSystemData& rData, const Size& rSize) const;
/// Return native handle for underlying surface
css::uno::Any GetNativeSurfaceHandle(cairo::SurfaceSharedPtr& rSurface, const ::basegfx::B2ISize& rSize) const;
css::uno::Any GetSystemGfxDataAny() const;
void SetRefPoint();
void SetRefPoint( const Point& rRefPoint );
const Point& GetRefPoint() const { return maRefPoint; }
bool IsRefPoint() const { return mbRefPoint; }
virtual sal_uInt16 GetBitCount() const;
Size GetOutputSizePixel() const
{ return Size( mnOutWidth, mnOutHeight ); }
long GetOutputWidthPixel() const { return mnOutWidth; }
long GetOutputHeightPixel() const { return mnOutHeight; }
long GetOutOffXPixel() const { return mnOutOffX; }
long GetOutOffYPixel() const { return mnOutOffY; }
Size GetOutputSize() const
{ return PixelToLogic( GetOutputSizePixel() ); }
sal_uLong GetColorCount() const;
/// request XCanvas render interface for this OutputDevice
css::uno::Reference< css::rendering::XCanvas >
GetCanvas() const;
css::uno::Reference< css::awt::XGraphics >
CreateUnoGraphics();
std::vector< VCLXGraphics* > *GetUnoGraphicsList() const { return mpUnoGraphicsList; }
std::vector< VCLXGraphics* > *CreateUnoGraphicsList();
protected:
/** Acquire a graphics device that the output device uses to draw on.
There is an LRU of OutputDevices that is used to get the graphics. The
actual creation of a SalGraphics instance is done via the SalFrame
implementation.
However, the SalFrame instance will only return a valid SalGraphics
instance if it is not in use or there wasn't one in the first place. When
this happens, AcquireGraphics finds the least recently used OutputDevice
in a different frame and "steals" it (releases it then starts using it).
If there are no frames to steal an OutputDevice's SalGraphics instance from
then it blocks until the graphics is released.
Once it has acquired a graphics instance, then we add the OutputDevice to
the LRU.
@returns true if was able to initialize the graphics device, false otherwise.
*/
virtual bool AcquireGraphics() const = 0;
/** Release the graphics device, and remove it from the graphics device
list.
@param bRelease Determines whether to release the fonts of the
physically released graphics device.
*/
virtual void ReleaseGraphics( bool bRelease = true ) = 0;
///@}
/** @name Helper functions
*/
///@{
public:
/** Get the output device's DPI x-axis value.
@returns x-axis DPI value
*/
SAL_DLLPRIVATE sal_Int32 GetDPIX() const { return mnDPIX; }
/** Get the output device's DPI y-axis value.
@returns y-axis DPI value
*/
SAL_DLLPRIVATE sal_Int32 GetDPIY() const { return mnDPIY; }
SAL_DLLPRIVATE void SetDPIX( sal_Int32 nDPIX ) { mnDPIX = nDPIX; }
SAL_DLLPRIVATE void SetDPIY( sal_Int32 nDPIY ) { mnDPIY = nDPIY; }
sal_Int32 GetDPIScaleFactor() const { return mnDPIScaleFactor; }
OutDevType GetOutDevType() const { return meOutDevType; }
/** Query an OutputDevice to see whether it supports a specific operation
@returns true if operation supported, else false
*/
bool SupportsOperation( OutDevSupportType ) const;
vcl::PDFWriterImpl* GetPDFWriter() const { return mpPDFWriter; }
void SetExtOutDevData( vcl::ExtOutDevData* pExtOutDevData ) { mpExtOutDevData = pExtOutDevData; }
vcl::ExtOutDevData* GetExtOutDevData() const { return mpExtOutDevData; }
///@}
/** @Name Direct OutputDevice drawing functions
*/
///@{
public:
virtual void DrawOutDev(
const Point& rDestPt, const Size& rDestSize,
const Point& rSrcPt, const Size& rSrcSize );
virtual void DrawOutDev(
const Point& rDestPt, const Size& rDestSize,
const Point& rSrcPt, const Size& rSrcSize,
const OutputDevice& rOutDev );
virtual void CopyArea(
const Point& rDestPt,
const Point& rSrcPt, const Size& rSrcSize,
bool bWindowInvalidate = false );
// Call before and after a paint operation to reduce flushing
void BeginPaint();
void EndPaint();
protected:
virtual void CopyDeviceArea( SalTwoRect& aPosAry, bool bWindowInvalidate = false);
SAL_DLLPRIVATE void drawOutDevDirect ( const OutputDevice* pSrcDev, SalTwoRect& rPosAry );
private:
// not implemented; to detect misuses of DrawOutDev(...OutputDevice&);
SAL_DLLPRIVATE void DrawOutDev( const Point&, const Size&, const Point&, const Size&, const Printer&) SAL_DELETED_FUNCTION;
///@}
/** @name OutputDevice state functions
*/
///@{
public:
void Push( PushFlags nFlags = PushFlags::ALL );
void Pop();
// returns the current stack depth; that is the number of Push() calls minus the number of Pop() calls
// this should not normally be used since Push and Pop must always be used symmetrically
// however this may be e.g. a help when debugging code in which this somehow is not the case
sal_uInt32 GetGCStackDepth() const;
void EnableOutput( bool bEnable = true );
bool IsOutputEnabled() const { return mbOutput; }
bool IsDeviceOutput() const { return mbDevOutput; }
bool IsDeviceOutputNecessary() const { return (mbOutput && mbDevOutput); }
bool IsOutputNecessary() const { return ((mbOutput && mbDevOutput) || (mpMetaFile != NULL)); }
void SetAntialiasing( AntialiasingFlags nMode = AntialiasingFlags::NONE );
AntialiasingFlags GetAntialiasing() const { return mnAntialiasing; }
void SetDrawMode( DrawModeFlags nDrawMode );
DrawModeFlags GetDrawMode() const { return mnDrawMode; }
void SetLayoutMode( ComplexTextLayoutMode nTextLayoutMode );
ComplexTextLayoutMode GetLayoutMode() const { return mnTextLayoutMode; }
void SetDigitLanguage( LanguageType );
LanguageType GetDigitLanguage() const { return meTextLanguage; }
void SetRasterOp( RasterOp eRasterOp );
RasterOp GetRasterOp() const { return meRasterOp; }
/**
If this OutputDevice is used for displaying a Print Preview
the OutDevViewType should be set to 'OUTDEV_VIEWTYPE_PRINTPREVIEW'.
A View can then make painting decisions dependent on this OutDevViewType.
E.g. text colors need to be handled differently, dependent on whether it's a PrintPreview or not. (see #106611# for more)
*/
void SetOutDevViewType( OutDevViewType eOutDevViewType ) { meOutDevViewType=eOutDevViewType; }
OutDevViewType GetOutDevViewType() const { return meOutDevViewType; }
void SetLineColor();
void SetLineColor( const Color& rColor );
const Color& GetLineColor() const { return maLineColor; }
bool IsLineColor() const { return mbLineColor; }
void SetFillColor();
void SetFillColor( const Color& rColor );
const Color& GetFillColor() const { return maFillColor; }
bool IsFillColor() const { return mbFillColor; }
void SetBackground();
void SetBackground( const Wallpaper& rBackground );
const Wallpaper& GetBackground() const { return maBackground; }
bool IsBackground() const { return mbBackground; }
void SetFont( const vcl::Font& rNewFont );
const vcl::Font& GetFont() const { return maFont; }
protected:
virtual void ImplReleaseFonts();
private:
SAL_DLLPRIVATE void InitLineColor();
SAL_DLLPRIVATE void InitFillColor();
///@}
/** @name Clipping functions
*/
///@{
public:
vcl::Region GetClipRegion() const;
void SetClipRegion();
void SetClipRegion( const vcl::Region& rRegion );
bool SelectClipRegion( const vcl::Region&, SalGraphics* pGraphics = NULL );
bool IsClipRegion() const { return mbClipRegion; }
void MoveClipRegion( long nHorzMove, long nVertMove );
void IntersectClipRegion( const Rectangle& rRect );
void IntersectClipRegion( const vcl::Region& rRegion );
virtual vcl::Region GetActiveClipRegion() const;
protected:
virtual void InitClipRegion();
virtual void ClipToPaintRegion ( Rectangle& rDstRect );
private:
SAL_DLLPRIVATE void SetDeviceClipRegion( const vcl::Region* pRegion );
///@}
/** @name Pixel functions
*/
///@{
public:
void DrawPixel( const Point& rPt );
void DrawPixel( const Point& rPt, const Color& rColor );
void DrawPixel( const Polygon& rPts, const Color* pColors = NULL );
void DrawPixel( const Polygon& rPts, const Color& rColor );
Color GetPixel( const Point& rPt ) const;
///@}
/** @name Rectangle functions
*/
///@{
public:
void DrawRect( const Rectangle& rRect );
void DrawRect( const Rectangle& rRect,
sal_uLong nHorzRount, sal_uLong nVertRound );
/// Fill the given rectangle with checkered rectangles of size nLen x nLen using the colors aStart and aEnd
void DrawCheckered(
const Point& rPos,
const Size& rSize,
sal_uInt32 nLen = 8,
Color aStart = Color(COL_WHITE),
Color aEnd = Color(COL_BLACK));
void DrawGrid( const Rectangle& rRect, const Size& rDist, DrawGridFlags nFlags );
///@}
/** @name Line functions
*/
///@{
public:
void DrawLine( const Point& rStartPt, const Point& rEndPt );
void DrawLine( const Point& rStartPt, const Point& rEndPt,
const LineInfo& rLineInfo );
private:
/** Helper for line geometry paint with support for graphic expansion (pattern and fat_to_area)
*/
SAL_DLLPRIVATE void drawLine( basegfx::B2DPolyPolygon aLinePolyPolygon, const LineInfo& rInfo );
///@}
/** @name Polyline functions
*/
///@{
public:
/** Render the given polygon as a line stroke
The given polygon is stroked with the current LineColor, start
and end point are not automatically connected
@see DrawPolygon
@see DrawPolyPolygon
*/
void DrawPolyLine( const Polygon& rPoly );
void DrawPolyLine(
const basegfx::B2DPolygon&,
double fLineWidth = 0.0,
basegfx::B2DLineJoin eLineJoin = basegfx::B2DLINEJOIN_ROUND,
css::drawing::LineCap eLineCap = css::drawing::LineCap_BUTT);
/** Render the given polygon as a line stroke
The given polygon is stroked with the current LineColor, start
and end point are not automatically connected. The line is
rendered according to the specified LineInfo, e.g. supplying a
dash pattern, or a line thickness.
@see DrawPolygon
@see DrawPolyPolygon
*/
void DrawPolyLine( const Polygon& rPoly,
const LineInfo& rLineInfo );
// #i101491#
// Helper who tries to use SalGDI's DrawPolyLine direct and returns it's bool.
bool DrawPolyLineDirect(
const basegfx::B2DPolygon& rB2DPolygon,
double fLineWidth = 0.0,
double fTransparency = 0.0,
basegfx::B2DLineJoin eLineJoin = basegfx::B2DLINEJOIN_NONE,
css::drawing::LineCap eLineCap = css::drawing::LineCap_BUTT,
bool bBypassAACheck = false );
private:
// #i101491#
// Helper which holds the old line geometry creation and is extended to use AA when
// switched on. Advantage is that line geometry is only temporarily used for paint
SAL_DLLPRIVATE void drawPolyLine(const Polygon& rPoly, const LineInfo& rLineInfo);
///@}
/** @name Polygon functions
*/
///@{
public:
/** Render the given polygon
The given polygon is stroked with the current LineColor, and
filled with the current FillColor. If one of these colors are
transparent, the corresponding stroke or fill stays
invisible. Start and end point of the polygon are
automatically connected.
@see DrawPolyLine
*/
void DrawPolygon( const Polygon& rPoly );
void DrawPolygon( const basegfx::B2DPolygon& );
/** Render the given poly-polygon
The given poly-polygon is stroked with the current LineColor,
and filled with the current FillColor. If one of these colors
are transparent, the corresponding stroke or fill stays
invisible. Start and end points of the contained polygons are
automatically connected.
@see DrawPolyLine
*/
void DrawPolyPolygon( const tools::PolyPolygon& rPolyPoly );
void DrawPolyPolygon( const basegfx::B2DPolyPolygon& );
private:
SAL_DLLPRIVATE void ImplDrawPolygon( const Polygon& rPoly, const tools::PolyPolygon* pClipPolyPoly = NULL );
SAL_DLLPRIVATE void ImplDrawPolyPolygon( const tools::PolyPolygon& rPolyPoly, const tools::PolyPolygon* pClipPolyPoly = NULL );
SAL_DLLPRIVATE void ImplDrawPolyPolygon( sal_uInt16 nPoly, const tools::PolyPolygon& rPolyPoly );
// #i101491#
// Helper who implements the DrawPolyPolygon functionality for basegfx::B2DPolyPolygon
// without MetaFile processing
SAL_DLLPRIVATE void ImplDrawPolyPolygonWithB2DPolyPolygon(const basegfx::B2DPolyPolygon& rB2DPolyPoly);
///@}
/** @name Curved shape functions
*/
///@{
public:
void DrawEllipse( const Rectangle& rRect );
void DrawArc(
const Rectangle& rRect,
const Point& rStartPt, const Point& rEndPt );
void DrawPie(
const Rectangle& rRect,
const Point& rStartPt, const Point& rEndPt );
void DrawChord(
const Rectangle& rRect,
const Point& rStartPt, const Point& rEndPt );
///@}
/** @name Gradient functions
*/
///@{
public:
void DrawGradient( const Rectangle& rRect, const Gradient& rGradient );
void DrawGradient( const tools::PolyPolygon& rPolyPoly, const Gradient& rGradient );
void AddGradientActions(
const Rectangle& rRect,
const Gradient& rGradient,
GDIMetaFile& rMtf );
protected:
virtual bool UsePolyPolygonForComplexGradient() = 0;
virtual long GetGradientStepCount( long nMinRect );
private:
SAL_DLLPRIVATE void DrawLinearGradient( const Rectangle& rRect, const Gradient& rGradient, const tools::PolyPolygon* pClipPolyPoly );
SAL_DLLPRIVATE void DrawComplexGradient( const Rectangle& rRect, const Gradient& rGradient, const tools::PolyPolygon* pClipPolyPoly );
SAL_DLLPRIVATE void DrawGradientToMetafile( const tools::PolyPolygon& rPolyPoly, const Gradient& rGradient );
SAL_DLLPRIVATE void DrawLinearGradientToMetafile( const Rectangle& rRect, const Gradient& rGradient );
SAL_DLLPRIVATE void DrawComplexGradientToMetafile( const Rectangle& rRect, const Gradient& rGradient );
SAL_DLLPRIVATE long GetGradientSteps( const Gradient& rGradient, const Rectangle& rRect, bool bMtf, bool bComplex=false );
SAL_DLLPRIVATE Color GetSingleColorGradientFill();
SAL_DLLPRIVATE void SetGrayscaleColors( Gradient &rGradient );
///@}
/** @name Hatch functions
*/
///@{
public:
#ifdef _MSC_VER
void DrawHatch( const tools::PolyPolygon& rPolyPoly, const ::Hatch& rHatch );
void AddHatchActions( const tools::PolyPolygon& rPolyPoly,
const ::Hatch& rHatch,
GDIMetaFile& rMtf );
#else
void DrawHatch( const tools::PolyPolygon& rPolyPoly, const Hatch& rHatch );
void AddHatchActions( const tools::PolyPolygon& rPolyPoly,
const Hatch& rHatch,
GDIMetaFile& rMtf );
#endif
void DrawHatch( const tools::PolyPolygon& rPolyPoly, const Hatch& rHatch, bool bMtf );
private:
SAL_DLLPRIVATE void CalcHatchValues( const Rectangle& rRect, long nDist, sal_uInt16 nAngle10, Point& rPt1, Point& rPt2, Size& rInc, Point& rEndPt1 );
SAL_DLLPRIVATE void DrawHatchLine( const Line& rLine, const tools::PolyPolygon& rPolyPoly, Point* pPtBuffer, bool bMtf );
///@}
/** @name Wallpaper functions
*/
///@{
public:
void DrawWallpaper( const Rectangle& rRect, const Wallpaper& rWallpaper );
virtual void Erase();
virtual void Erase( const Rectangle& rRect ) { DrawWallpaper( rRect, GetBackground() ); }
protected:
virtual void DrawGradientWallpaper( long nX, long nY, long nWidth, long nHeight, const Wallpaper& rWallpaper );
private:
SAL_DLLPRIVATE void DrawWallpaper( long nX, long nY, long nWidth, long nHeight, const Wallpaper& rWallpaper );
SAL_DLLPRIVATE void DrawColorWallpaper( long nX, long nY, long nWidth, long nHeight, const Wallpaper& rWallpaper );
SAL_DLLPRIVATE void DrawBitmapWallpaper( long nX, long nY, long nWidth, long nHeight, const Wallpaper& rWallpaper );
///@}
/** @name Text functions
*/
///@{
public:
void DrawText( const Point& rStartPt, const OUString& rStr,
sal_Int32 nIndex = 0, sal_Int32 nLen = -1,
MetricVector* pVector = NULL, OUString* pDisplayText = NULL );
void DrawText( const Rectangle& rRect,
const OUString& rStr, DrawTextFlags nStyle = DrawTextFlags::NONE,
MetricVector* pVector = NULL, OUString* pDisplayText = NULL,
vcl::ITextLayout* _pTextLayout = NULL );
static void ImplDrawText( OutputDevice& rTargetDevice, const Rectangle& rRect,
const OUString& rOrigStr, DrawTextFlags nStyle,
MetricVector* pVector, OUString* pDisplayText, vcl::ITextLayout& _rLayout );
void ImplDrawText( SalLayout& );
void ImplDrawTextBackground( const SalLayout& );
void DrawCtrlText( const Point& rPos, const OUString& rStr,
sal_Int32 nIndex = 0, sal_Int32 nLen = -1,
DrawTextFlags nStyle = DrawTextFlags::Mnemonic, MetricVector* pVector = NULL, OUString* pDisplayText = NULL );
void DrawTextLine( const Point& rPos, long nWidth,
FontStrikeout eStrikeout,
FontUnderline eUnderline,
FontUnderline eOverline,
bool bUnderlineAbove = false );
void ImplDrawTextLine( long nBaseX, long nX, long nY, DeviceCoordinate nWidth,
FontStrikeout eStrikeout, FontUnderline eUnderline,
FontUnderline eOverline, bool bUnderlineAbove );
void ImplDrawTextLines( SalLayout&, FontStrikeout eStrikeout, FontUnderline eUnderline,
FontUnderline eOverline, bool bWordLine, bool bUnderlineAbove );
void DrawWaveLine( const Point& rStartPos, const Point& rEndPos );
bool ImplDrawRotateText( SalLayout& );
Rectangle GetTextRect( const Rectangle& rRect,
const OUString& rStr, DrawTextFlags nStyle = DrawTextFlags::WordBreak,
TextRectInfo* pInfo = NULL,
const vcl::ITextLayout* _pTextLayout = NULL ) const;
/** Return the exact bounding rectangle of rStr.
The text is then drawn exactly from rRect.TopLeft() to
rRect.BottomRight(), don't assume that rRect.TopLeft() is [0, 0].
Please note that you don't always want to use GetTextBoundRect(); in
many cases you actually want to use GetTextHeight(), because
GetTextBoundRect() gives you the exact bounding rectangle regardless
what is the baseline of the text.
Code snippet to get just exactly the text (no filling around that) as
a bitmap via a VirtualDevice (regardless what is the baseline):
<code>
VirtualDevice aDevice;
vcl::Font aFont = aDevice.GetFont();
aFont.SetSize(Size(0, 96));
aFont.SetColor(COL_BLACK);
aDevice.SetFont(aFont);
aDevice.Erase();
::Rectangle aRect;
aDevice.GetTextBoundRect(aRect, aText);
aDevice.SetOutputSize(Size(aRect.BottomRight().X() + 1, aRect.BottomRight().Y() + 1));
aDevice.SetBackground(Wallpaper(COL_TRANSPARENT));
aDevice.DrawText(Point(0,0), aText);
// exactly only the text, regardless of the baseline
Bitmap aBitmap(aDevice.GetBitmap(aRect.TopLeft(), aRect.GetSize()));
</code>
Code snippet to get the text as a bitmap via a Virtual device that
contains even the filling so that the baseline is always preserved
(ie. the text will not jump up and down according to whether it
contains 'y' or not etc.)
<code>
VirtualDevice aDevice;
// + the appropriate font / device setup, see above
aDevice.SetOutputSize(Size(aDevice.GetTextWidth(aText), aDevice.GetTextHeight()));
aDevice.SetBackground(Wallpaper(COL_TRANSPARENT));
aDevice.DrawText(Point(0,0), aText);
// bitmap that contains even the space around the text,
// that means, preserves the baseline etc.
Bitmap aBitmap(aDevice.GetBitmap(Point(0, 0), aDevice.GetOutputSize()));
</code>
*/
bool GetTextBoundRect( Rectangle& rRect,
const OUString& rStr, sal_Int32 nBase = 0, sal_Int32 nIndex = 0, sal_Int32 nLen = -1,
sal_uLong nLayoutWidth = 0, const long* pDXArray = NULL ) const;
Rectangle ImplGetTextBoundRect( const SalLayout& );
bool GetTextOutline( tools::PolyPolygon&,
const OUString& rStr, sal_Int32 nBase = 0, sal_Int32 nIndex = 0,
sal_Int32 nLen = -1, bool bOptimize = true,
sal_uLong nLayoutWidth = 0, const long* pDXArray = NULL ) const;
bool GetTextOutlines( PolyPolyVector&,
const OUString& rStr, sal_Int32 nBase = 0, sal_Int32 nIndex = 0,
sal_Int32 nLen = -1, bool bOptimize = true,
sal_uLong nLayoutWidth = 0, const long* pDXArray = NULL ) const;
bool GetTextOutlines( ::basegfx::B2DPolyPolygonVector &rVector,
const OUString& rStr, sal_Int32 nBase = 0, sal_Int32 nIndex = 0,
sal_Int32 nLen = -1, bool bOptimize = true,
sal_uLong nLayoutWidth = 0, const long* pDXArray = NULL ) const;
OUString GetEllipsisString( const OUString& rStr, long nMaxWidth,
DrawTextFlags nStyle = DrawTextFlags::EndEllipsis ) const;
long GetCtrlTextWidth( const OUString& rStr, sal_Int32 nIndex = 0,
sal_Int32 nLen = -1,
DrawTextFlags nStyle = DrawTextFlags::Mnemonic ) const;
static OUString GetNonMnemonicString( const OUString& rStr, sal_Int32& rMnemonicPos );
static OUString GetNonMnemonicString( const OUString& rStr )
{ sal_Int32 nDummy; return GetNonMnemonicString( rStr, nDummy ); }
/** Generate MetaTextActions for the text rect
This method splits up the text rect into multiple
MetaTextActions, one for each line of text. This is comparable
to AddGradientActions(), which splits up a gradient into its
constituent polygons. Parameter semantics fully compatible to
DrawText().
*/
void AddTextRectActions( const Rectangle& rRect,
const OUString& rOrigStr,
DrawTextFlags nStyle,
GDIMetaFile& rMtf );
void SetTextColor( const Color& rColor );
const Color& GetTextColor() const { return maTextColor; }
void SetTextFillColor();
void SetTextFillColor( const Color& rColor );
Color GetTextFillColor() const;
bool IsTextFillColor() const { return !maFont.IsTransparent(); }
void SetTextLineColor();
void SetTextLineColor( const Color& rColor );
const Color& GetTextLineColor() const { return maTextLineColor; }
bool IsTextLineColor() const { return (maTextLineColor.GetTransparency() == 0); }
void SetOverlineColor();
void SetOverlineColor( const Color& rColor );
const Color& GetOverlineColor() const { return maOverlineColor; }
bool IsOverlineColor() const { return (maOverlineColor.GetTransparency() == 0); }
void SetTextAlign( TextAlign eAlign );
TextAlign GetTextAlign() const { return maFont.GetAlign(); }
/** Width of the text.
See also GetTextBoundRect() for more explanation + code examples.
*/
long GetTextWidth( const OUString& rStr, sal_Int32 nIndex = 0, sal_Int32 nLen = -1,
vcl::TextLayoutCache const* = nullptr) const;
/** Height where any character of the current font fits; in logic coordinates.
See also GetTextBoundRect() for more explanation + code examples.
*/
long GetTextHeight() const;
float approximate_char_width() const;
void DrawTextArray( const Point& rStartPt, const OUString& rStr,
const long* pDXAry = NULL,
sal_Int32 nIndex = 0,
sal_Int32 nLen = -1,
SalLayoutFlags flags = SalLayoutFlags::NONE);
long GetTextArray( const OUString& rStr, long* pDXAry = NULL,
sal_Int32 nIndex = 0, sal_Int32 nLen = -1,
vcl::TextLayoutCache const* = nullptr) const;
bool GetCaretPositions( const OUString&, long* pCaretXArray,
sal_Int32 nIndex, sal_Int32 nLen,
long* pDXAry = NULL, long nWidth = 0,
bool bCellBreaking = true ) const;
void DrawStretchText( const Point& rStartPt, sal_uLong nWidth,
const OUString& rStr,
sal_Int32 nIndex = 0, sal_Int32 nLen = -1);
sal_Int32 GetTextBreak( const OUString& rStr, long nTextWidth,
sal_Int32 nIndex = 0, sal_Int32 nLen = -1,
long nCharExtra = 0,
vcl::TextLayoutCache const* = nullptr) const;
sal_Int32 GetTextBreak( const OUString& rStr, long nTextWidth,
sal_Unicode nExtraChar, sal_Int32& rExtraCharPos,
sal_Int32 nIndex, sal_Int32 nLen,
long nCharExtra = 0,
vcl::TextLayoutCache const* = nullptr) const;
std::shared_ptr<vcl::TextLayoutCache> CreateTextLayoutCache(OUString const&) const;
private:
SAL_DLLPRIVATE void ImplInitTextColor();
SAL_DLLPRIVATE void ImplInitTextLineSize();
SAL_DLLPRIVATE void ImplInitAboveTextLineSize();
SAL_DLLPRIVATE bool ImplDrawTextDirect( SalLayout&, bool bTextLines, sal_uInt32 flags = 0 );
SAL_DLLPRIVATE void ImplDrawSpecialText( SalLayout& );
SAL_DLLPRIVATE void ImplDrawTextRect( long nBaseX, long nBaseY, long nX, long nY, long nWidth, long nHeight );
SAL_DLLPRIVATE void ImplDrawWavePixel( long nOriginX, long nOriginY, long nCurX, long nCurY, short nOrientation, SalGraphics* pGraphics, OutputDevice* pOutDev,
bool bDrawPixAsRect, long nPixWidth, long nPixHeight );
SAL_DLLPRIVATE void ImplDrawWaveLine( long nBaseX, long nBaseY, long nStartX, long nStartY, long nWidth, long nHeight, long nLineWidth, short nOrientation, const Color& rColor );
SAL_DLLPRIVATE void ImplDrawWaveTextLine( long nBaseX, long nBaseY, long nX, long nY, long nWidth, FontUnderline eTextLine, Color aColor, bool bIsAbove );
SAL_DLLPRIVATE void ImplDrawStraightTextLine( long nBaseX, long nBaseY, long nX, long nY, long nWidth, FontUnderline eTextLine, Color aColor, bool bIsAbove );
SAL_DLLPRIVATE void ImplDrawStrikeoutLine( long nBaseX, long nBaseY, long nX, long nY, long nWidth, FontStrikeout eStrikeout, Color aColor );
SAL_DLLPRIVATE void ImplDrawStrikeoutChar( long nBaseX, long nBaseY, long nX, long nY, long nWidth, FontStrikeout eStrikeout, Color aColor );
SAL_DLLPRIVATE void ImplDrawMnemonicLine( long nX, long nY, long nWidth );
SAL_DLLPRIVATE static bool ImplIsUnderlineAbove( const vcl::Font& );
static
SAL_DLLPRIVATE long ImplGetTextLines( ImplMultiTextLineInfo& rLineInfo, long nWidth, const OUString& rStr, DrawTextFlags nStyle, const vcl::ITextLayout& _rLayout );
///@}
/** @name Font functions
*/
///@{
public:
vcl::FontInfo GetDevFont( int nDevFontIndex ) const;
int GetDevFontCount() const;
bool IsFontAvailable( const OUString& rFontName ) const;
Size GetDevFontSize( const vcl::Font& rFont, int nSizeIndex ) const;
int GetDevFontSizeCount( const vcl::Font& ) const;
bool AddTempDevFont( const OUString& rFileURL, const OUString& rFontName );
FontMetric GetFontMetric() const;
FontMetric GetFontMetric( const vcl::Font& rFont ) const;
bool GetFontCharMap( FontCharMapPtr& rFontCharMap ) const;
bool GetFontCapabilities( vcl::FontCapabilities& rFontCapabilities ) const;
/** Retrieve detailed font information in platform independent structure
@param nFallbacklevel Fallback font level (0 = best matching font)
@return SystemFontData
*/
SystemFontData GetSysFontData( int nFallbacklevel ) const;
SAL_DLLPRIVATE void ImplGetEmphasisMark( tools::PolyPolygon& rPolyPoly, bool& rPolyLine, Rectangle& rRect1, Rectangle& rRect2,
long& rYOff, long& rWidth, FontEmphasisMark eEmphasis, long nHeight, short nOrient );
SAL_DLLPRIVATE static FontEmphasisMark
ImplGetEmphasisMarkStyle( const vcl::Font& rFont );
bool GetGlyphBoundRects( const Point& rOrigin, const OUString& rStr, int nIndex,
int nLen, int nBase, MetricVector& rVector );
sal_Int32 HasGlyphs( const vcl::Font& rFont, const OUString& rStr,
sal_Int32 nIndex = 0, sal_Int32 nLen = -1 ) const;
long GetMinKashida() const;
// i60594
// validate kashida positions against the current font
// returns count of invalid kashida positions
sal_Int32 ValidateKashidas( const OUString& rTxt, sal_Int32 nIdx, sal_Int32 nLen,
sal_Int32 nKashCount, // number of suggested kashida positions (in)
const sal_Int32* pKashidaPos, // suggested kashida positions (in)
sal_Int32* pKashidaPosDropped // invalid kashida positions (out)
) const;
static void BeginFontSubstitution();
static void EndFontSubstitution();
static void AddFontSubstitute( const OUString& rFontName,
const OUString& rReplaceFontName,
sal_uInt16 nFlags = 0 );
static void RemoveFontSubstitute( sal_uInt16 n );
static sal_uInt16 GetFontSubstituteCount();
static vcl::Font GetDefaultFont( DefaultFontType nType,
LanguageType eLang,
sal_uLong nFlags,
const OutputDevice* pOutDev = NULL );
SAL_DLLPRIVATE void ImplInitFontList() const;
SAL_DLLPRIVATE void ImplUpdateFontData( bool bNewFontLists );
//drop font data for all outputdevices.
//If bNewFontLists is true then empty lists of system fonts
SAL_DLLPRIVATE static void ImplClearAllFontData( bool bNewFontLists );
//fetch font data for all outputdevices
//If bNewFontLists is true then fetch lists of system fonts
SAL_DLLPRIVATE static void ImplRefreshAllFontData( bool bNewFontLists );
//drop and fetch font data for all outputdevices
//If bNewFontLists is true then drop and refetch lists of system fonts
SAL_DLLPRIVATE static void ImplUpdateAllFontData( bool bNewFontLists );
protected:
virtual void InitFont() const;
virtual void SetFontOrientation( ImplFontEntry* const pFontEntry ) const;
virtual long GetFontExtLeading() const;
private:
typedef void ( OutputDevice::* FontUpdateHandler_t )( bool );
SAL_DLLPRIVATE bool ImplNewFont() const;
SAL_DLLPRIVATE void ImplClearFontData( bool bNewFontLists );
SAL_DLLPRIVATE void ImplRefreshFontData( bool bNewFontLists );
SAL_DLLPRIVATE static void ImplUpdateFontDataForAllFrames( FontUpdateHandler_t pHdl, bool bNewFontLists );
static
SAL_DLLPRIVATE OUString ImplGetEllipsisString( const OutputDevice& rTargetDevice, const OUString& rStr,
long nMaxWidth, DrawTextFlags nStyle, const vcl::ITextLayout& _rLayout );
SAL_DLLPRIVATE void ImplDrawEmphasisMark( long nBaseX, long nX, long nY, const tools::PolyPolygon& rPolyPoly, bool bPolyLine, const Rectangle& rRect1, const Rectangle& rRect2 );
SAL_DLLPRIVATE void ImplDrawEmphasisMarks( SalLayout& );
///@}
/** @name Layout functions
*/
///@{
public:
SystemTextLayoutData GetSysTextLayoutData( const Point& rStartPt, const OUString& rStr,
sal_Int32 nIndex = 0, sal_Int32 nLen = -1,
const long* pDXAry = NULL ) const;
SAL_DLLPRIVATE bool ImplIsAntiparallel() const ;
SAL_DLLPRIVATE void ReMirror( Point &rPoint ) const;
SAL_DLLPRIVATE void ReMirror( Rectangle &rRect ) const;
SAL_DLLPRIVATE void ReMirror( vcl::Region &rRegion ) const;
SAL_DLLPRIVATE bool ImplIsRecordLayout() const;
virtual bool HasMirroredGraphics() const;
SAL_DLLPRIVATE SalLayout* ImplLayout( const OUString&, sal_Int32 nIndex, sal_Int32 nLen,
const Point& rLogicPos = Point(0,0), long nLogicWidth=0,
const long* pLogicDXArray=NULL, SalLayoutFlags flags = SalLayoutFlags::NONE,
vcl::TextLayoutCache const* = nullptr) const;
SAL_DLLPRIVATE ImplLayoutArgs ImplPrepareLayoutArgs( OUString&, const sal_Int32 nIndex, const sal_Int32 nLen,
DeviceCoordinate nPixelWidth, const DeviceCoordinate* pPixelDXArray,
SalLayoutFlags flags = SalLayoutFlags::NONE,
vcl::TextLayoutCache const* = nullptr) const;
SAL_DLLPRIVATE SalLayout* ImplGlyphFallbackLayout( SalLayout*, ImplLayoutArgs& ) const;
// tells whether this output device is RTL in an LTR UI or LTR in a RTL UI
SAL_DLLPRIVATE SalLayout* getFallbackFont(ImplFontEntry &rFallbackFont,
FontSelectPattern &rFontSelData, int nFallbackLevel,
ImplLayoutArgs& rLayoutArgs) const;
// Enabling/disabling RTL only makes sense for OutputDevices that use a mirroring SalGraphisLayout
virtual void EnableRTL( bool bEnable = true);
bool IsRTLEnabled() const { return mbEnableRTL; }
bool GetTextIsRTL( const OUString&, sal_Int32 nIndex, sal_Int32 nLen ) const;
///@}
/** @name Bitmap functions
*/
///@{
public:
/** @overload
void DrawBitmap(
const Point& rDestPt,
const Size& rDestSize,
const Point& rSrcPtPixel,
const Size& rSecSizePixel,
const Bitmap& rBitmap,
MetaActionType nAction = MetaActionType::BMPSCALEPART)
*/
void DrawBitmap(
const Point& rDestPt,
const Bitmap& rBitmap );
/** @overload
void DrawBitmap(
const Point& rDestPt,
const Size& rDestSize,
const Point& rSrcPtPixel,
const Size& rSecSizePixel,
const Bitmap& rBitmap,
MetaActionType nAction = MetaActionType::BMPSCALEPART)
*/
void DrawBitmap(
const Point& rDestPt,
const Size& rDestSize,
const Bitmap& rBitmap );
void DrawBitmap(
const Point& rDestPt,
const Size& rDestSize,
const Point& rSrcPtPixel,
const Size& rSrcSizePixel,
const Bitmap& rBitmap,
MetaActionType nAction = MetaActionType::BMPSCALEPART );
/** @overload
void DrawBitmapEx(
const Point& rDestPt,
const Size& rDestSize,
const Point& rSrcPtPixel,
const Size& rSecSizePixel,
const BitmapEx& rBitmapEx,
MetaActionType nAction = MetaActionType::BMPEXSCALEPART)
*/
void DrawBitmapEx(
const Point& rDestPt,
const BitmapEx& rBitmapEx );
/** @overload
void DrawBitmapEx(
const Point& rDestPt,
const Size& rDestSize,
const Point& rSrcPtPixel,
const Size& rSecSizePixel,
const BitmapEx& rBitmapEx,
MetaActionType nAction = MetaActionType::BMPEXSCALEPART)
*/
void DrawBitmapEx(
const Point& rDestPt,
const Size& rDestSize,
const BitmapEx& rBitmapEx );
void DrawBitmapEx(
const Point& rDestPt,
const Size& rDestSize,
const Point& rSrcPtPixel,
const Size& rSrcSizePixel,
const BitmapEx& rBitmapEx,
MetaActionType nAction = MetaActionType::BMPEXSCALEPART );
/** @overload
virtual void DrawImage(
const Point& rPos,
const Size& rSize,
const Image& rImage,
sal_uInt16 nStyle = 0)
*/
virtual void DrawImage(
const Point& rPos,
const Image& rImage,
DrawImageFlags nStyle = DrawImageFlags::NONE );
virtual void DrawImage(
const Point& rPos,
const Size& rSize,
const Image& rImage,
DrawImageFlags nStyle = DrawImageFlags::NONE );
virtual Bitmap GetBitmap( const Point& rSrcPt, const Size& rSize ) const;
/** Query extended bitmap (with alpha channel, if available).
*/
BitmapEx GetBitmapEx( const Point& rSrcPt, const Size& rSize ) const;
/** Draw BitmapEx transformed
@param rTransformation
The transformation describing the target positioning of the given bitmap. Transforming
the unit object coordinates (0, 0, 1, 1) with this matrix is the transformation to
discrete coordinates
@param rBitmapEx
The BitmapEx to be painted
*/
void DrawTransformedBitmapEx(
const basegfx::B2DHomMatrix& rTransformation,
const BitmapEx& rBitmapEx);
protected:
virtual void DrawDeviceBitmap(
const Point& rDestPt, const Size& rDestSize,
const Point& rSrcPtPixel, const Size& rSrcSizePixel,
BitmapEx& rBitmapEx );
virtual void ScaleBitmap ( Bitmap &rBmp, SalTwoRect &rPosAry );
/** Transform and draw a bitmap directly
@param aFullTransform The B2DHomMatrix used for the transformation
@param rBitmapEx Reference to the bitmap to be transformed and drawn
@return true if it was able to draw the bitmap, false if not
*/
virtual bool DrawTransformBitmapExDirect(
const basegfx::B2DHomMatrix& aFullTransform,
const BitmapEx& rBitmapEx);
/** Transform and reduce the area that needs to be drawn of the bitmap and return the new
visible range and the maximum area.
@param aFullTransform B2DHomMatrix used for transformation
@param aVisibleRange The new visible area of the bitmap
@param fMaximumArea The maximum area of the bitmap
@returns true if there is an area to be drawn, otherwise nothing is left to be drawn
so return false
*/
virtual bool TransformAndReduceBitmapExToTargetRange(
const basegfx::B2DHomMatrix& aFullTransform,
basegfx::B2DRange &aVisibleRange,
double &fMaximumArea);
private:
SAL_DLLPRIVATE void DrawDeviceAlphaBitmap(
const Bitmap& rBmp,
const AlphaMask& rAlpha,
const Point& rDestPt,
const Size& rDestSize,
const Point& rSrcPtPixel,
const Size& rSrcSizePixel );
SAL_DLLPRIVATE void DrawDeviceAlphaBitmapSlowPath(
const Bitmap& rBitmap, const AlphaMask& rAlpha,
Rectangle aDstRect, Rectangle aBmpRect,
Size& aOutSz, Point& aOutPt);
SAL_DLLPRIVATE bool BlendBitmap(
const SalTwoRect& rPosAry,
const Bitmap& rBmp );
SAL_DLLPRIVATE Bitmap BlendBitmap(
Bitmap& aBmp,
BitmapReadAccess* pP,
BitmapReadAccess* pA,
const sal_Int32 nOffY,
const sal_Int32 nDstHeight,
const sal_Int32 nOffX,
const sal_Int32 nDstWidth,
const Rectangle& aBmpRect,
const Size& aOutSz,
const bool bHMirr,
const bool bVMirr,
const long* pMapX,
const long* pMapY );
SAL_DLLPRIVATE Bitmap BlendBitmapWithAlpha(
Bitmap& aBmp,
BitmapReadAccess* pP,
BitmapReadAccess* pA,
const Rectangle& aDstRect,
const sal_Int32 nOffY,
const sal_Int32 nDstHeight,
const sal_Int32 nOffX,
const sal_Int32 nDstWidth,
const long* pMapX,
const long* pMapY );
/** Retrieve downsampled and cropped bitmap
@attention This method ignores negative rDstSz values, thus
mirroring must happen outside this method (e.g. in DrawBitmap)
*/
SAL_DLLPRIVATE Bitmap GetDownsampledBitmap(
const Size& rDstSz,
const Point& rSrcPt,
const Size& rSrcSz,
const Bitmap& rBmp,
long nMaxBmpDPIX,
long nMaxBmpDPIY );
///@}
/** @name Transparency functions
*/
///@{
public:
/** Query availability of alpha channel
@return sal_True, if this device has an alpha channel.
*/
bool HasAlpha();
/** helper method removing transparencies from a metafile (e.g. for printing)
@returns
true: transparencies were removed
false: output metafile is unchanged input metafile
@attention this is a member method, so current state can influence the result !
@attention the output metafile is prepared in pixel mode for the currentOutputDevice
state. It can not be moved or rotated reliably anymore.
*/
bool RemoveTransparenciesFromMetaFile(
const GDIMetaFile& rInMtf, GDIMetaFile& rOutMtf,
long nMaxBmpDPIX, long nMaxBmpDPIY,
bool bReduceTransparency,
bool bTransparencyAutoMode,
bool bDownsampleBitmaps,
const Color& rBackground = Color( COL_TRANSPARENT ) );
SAL_DLLPRIVATE void ImplPrintTransparent (
const Bitmap& rBmp, const Bitmap& rMask,
const Point& rDestPt, const Size& rDestSize,
const Point& rSrcPtPixel, const Size& rSrcSizePixel );
SAL_DLLPRIVATE Color ImplDrawModeToColor ( const Color& rColor ) const;
/** Query the existence and depth of the alpha channel
@return 0, if no alpha channel available, and the bit depth of
the alpha channel otherwise.
*/
virtual sal_uInt16 GetAlphaBitCount() const;
void DrawTransparent( const tools::PolyPolygon& rPolyPoly, sal_uInt16 nTransparencePercent );
void DrawTransparent( const basegfx::B2DPolyPolygon& rB2DPolyPoly, double fTransparency);
void DrawTransparent(
const GDIMetaFile& rMtf, const Point& rPos, const Size& rSize,
const Gradient& rTransparenceGradient );
protected:
virtual void EmulateDrawTransparent( const tools::PolyPolygon& rPolyPoly, sal_uInt16 nTransparencePercent );
void DrawInvisiblePolygon( const tools::PolyPolygon& rPolyPoly );
virtual void ClipAndDrawGradientMetafile ( const Gradient &rGradient, const tools::PolyPolygon &rPolyPoly );
private:
SAL_DLLPRIVATE bool DrawTransparentNatively( const tools::PolyPolygon& rPolyPoly, sal_uInt16 nTransparencePercent );
///@}
/** @name Mask functions
*/
///@{
public:
void DrawMask( const Point& rDestPt,
const Bitmap& rBitmap, const Color& rMaskColor );
void DrawMask( const Point& rDestPt, const Size& rDestSize,
const Bitmap& rBitmap, const Color& rMaskColor );
void DrawMask( const Point& rDestPt, const Size& rDestSize,
const Point& rSrcPtPixel, const Size& rSrcSizePixel,
const Bitmap& rBitmap, const Color& rMaskColor,
MetaActionType nAction );
protected:
virtual void DrawDeviceMask (
const Bitmap& rMask, const Color& rMaskColor,
const Point& rDestPt, const Size& rDestSize,
const Point& rSrcPtPixel, const Size& rSrcSizePixel );
///@}
/** @name Map functions
*/
///@{
public:
void EnableMapMode( bool bEnable = true );
bool IsMapModeEnabled() const { return mbMap; }
void SetMapMode();
virtual void SetMapMode( const MapMode& rNewMapMode );
void SetRelativeMapMode( const MapMode& rNewMapMode );
const MapMode& GetMapMode() const { return maMapMode; }
// #i75163#
basegfx::B2DHomMatrix GetViewTransformation() const;
basegfx::B2DHomMatrix GetInverseViewTransformation() const;
basegfx::B2DHomMatrix GetViewTransformation( const MapMode& rMapMode ) const;
basegfx::B2DHomMatrix GetInverseViewTransformation( const MapMode& rMapMode ) const;
/** Set an offset in pixel
This method offsets every drawing operation that converts its
coordinates to pixel by the given value. Normally, the effect
can be achieved by setting a MapMode with a different
origin. Unfortunately, this origin is in logical coordinates
and can lead to rounding errors (see #102532# for details).
@attention This offset is only applied when converting to
pixel, i.e. some output modes such as metafile recordings
might be completely unaffected by this method! Use with
care. Furthermore, if the OutputDevice's MapMode is the
default (that's MAP_PIXEL), then any pixel offset set is
ignored also. This might be unintuitive for cases, but would
have been far more fragile to implement. What's more, the
reason why the pixel offset was introduced (avoiding rounding
errors) does not apply for MAP_PIXEL, because one can always
use the MapMode origin then.
@param rOffset
The offset in pixel
*/
void SetPixelOffset( const Size& rOffset );
/** Get the offset in pixel
@see OutputDevice::SetPixelOffset for details
@return the current offset in pixel
*/
Size GetPixelOffset() const { return Size(mnOutOffOrigX, mnOutOffOrigY);}
Point LogicToPixel( const Point& rLogicPt ) const;
Size LogicToPixel( const Size& rLogicSize ) const;
Rectangle LogicToPixel( const Rectangle& rLogicRect ) const;
Polygon LogicToPixel( const Polygon& rLogicPoly ) const;
tools::PolyPolygon LogicToPixel( const tools::PolyPolygon& rLogicPolyPoly ) const;
basegfx::B2DPolyPolygon LogicToPixel( const basegfx::B2DPolyPolygon& rLogicPolyPoly ) const;
vcl::Region LogicToPixel( const vcl::Region& rLogicRegion )const;
Point LogicToPixel( const Point& rLogicPt,
const MapMode& rMapMode ) const;
Size LogicToPixel( const Size& rLogicSize,
const MapMode& rMapMode ) const;
Rectangle LogicToPixel( const Rectangle& rLogicRect,
const MapMode& rMapMode ) const;
Polygon LogicToPixel( const Polygon& rLogicPoly,
const MapMode& rMapMode ) const;
basegfx::B2DPolygon LogicToPixel( const basegfx::B2DPolygon& rLogicPoly,
const MapMode& rMapMode ) const;
tools::PolyPolygon LogicToPixel( const tools::PolyPolygon& rLogicPolyPoly,
const MapMode& rMapMode ) const;
basegfx::B2DPolyPolygon LogicToPixel( const basegfx::B2DPolyPolygon& rLogicPolyPoly,
const MapMode& rMapMode ) const;
vcl::Region LogicToPixel( const vcl::Region& rLogicRegion,
const MapMode& rMapMode ) const;
basegfx::B2DPolygon LogicToPixel( const basegfx::B2DPolygon& rLogicPoly ) const;
Point PixelToLogic( const Point& rDevicePt ) const;
Size PixelToLogic( const Size& rDeviceSize ) const;
Rectangle PixelToLogic( const Rectangle& rDeviceRect ) const;
Polygon PixelToLogic( const Polygon& rDevicePoly ) const;
tools::PolyPolygon PixelToLogic( const tools::PolyPolygon& rDevicePolyPoly ) const;
basegfx::B2DPolyPolygon PixelToLogic( const basegfx::B2DPolyPolygon& rDevicePolyPoly ) const;
vcl::Region PixelToLogic( const vcl::Region& rDeviceRegion ) const;
Point PixelToLogic( const Point& rDevicePt,
const MapMode& rMapMode ) const;
Size PixelToLogic( const Size& rDeviceSize,
const MapMode& rMapMode ) const;
Rectangle PixelToLogic( const Rectangle& rDeviceRect,
const MapMode& rMapMode ) const;
Polygon PixelToLogic( const Polygon& rDevicePoly,
const MapMode& rMapMode ) const;
basegfx::B2DPolygon PixelToLogic( const basegfx::B2DPolygon& rDevicePoly,
const MapMode& rMapMode ) const;
tools::PolyPolygon PixelToLogic( const tools::PolyPolygon& rDevicePolyPoly,
const MapMode& rMapMode ) const;
basegfx::B2DPolyPolygon PixelToLogic( const basegfx::B2DPolyPolygon& rDevicePolyPoly,
const MapMode& rMapMode ) const;
vcl::Region PixelToLogic( const vcl::Region& rDeviceRegion,
const MapMode& rMapMode ) const;
Point LogicToLogic( const Point& rPtSource,
const MapMode* pMapModeSource,
const MapMode* pMapModeDest ) const;
Size LogicToLogic( const Size& rSzSource,
const MapMode* pMapModeSource,
const MapMode* pMapModeDest ) const;
Rectangle LogicToLogic( const Rectangle& rRectSource,
const MapMode* pMapModeSource,
const MapMode* pMapModeDest ) const;
static Point LogicToLogic( const Point& rPtSource,
const MapMode& rMapModeSource,
const MapMode& rMapModeDest );
static Size LogicToLogic( const Size& rSzSource,
const MapMode& rMapModeSource,
const MapMode& rMapModeDest );
static Rectangle LogicToLogic( const Rectangle& rRectSource,
const MapMode& rMapModeSource,
const MapMode& rMapModeDest );
static long LogicToLogic( long nLongSource,
MapUnit eUnitSource,
MapUnit eUnitDest );
static basegfx::B2DPolygon LogicToLogic( const basegfx::B2DPolygon& rPoly,
const MapMode& rMapModeSource,
const MapMode& rMapModeDest );
static basegfx::B2DPolyPolygon LogicToLogic( const basegfx::B2DPolyPolygon& rPolyPoly,
const MapMode& rMapModeSource,
const MapMode& rMapModeDest );
// create a mapping transformation from rMapModeSource to rMapModeDest (the above methods
// for B2DPoly/Polygons use this internally anyway to transform the B2DPolygon)
static basegfx::B2DHomMatrix LogicToLogic(const MapMode& rMapModeSource, const MapMode& rMapModeDest);
/** Convert a logical rectangle to a rectangle in physical device pixel units.
@param rLogicSize Const reference to a rectangle in logical units
@returns Rectangle based on physical device pixel coordinates and units.
*/
SAL_DLLPRIVATE Rectangle ImplLogicToDevicePixel( const Rectangle& rLogicRect ) const;
/** Convert a logical point to a physical point on the device.
@param rLogicPt Const reference to a point in logical units.
@returns Physical point on the device.
*/
SAL_DLLPRIVATE Point ImplLogicToDevicePixel( const Point& rLogicPt ) const;
/** Convert a logical width to a width in units of device pixels.
To get the number of device pixels, it must calculate the X-DPI of the device and
the map scaling factor. If there is no mapping, then it just returns the
width as nothing more needs to be done.
@param nWidth Logical width
@returns Width in units of device pixels.
*/
SAL_DLLPRIVATE long ImplLogicWidthToDevicePixel( long nWidth ) const;
SAL_DLLPRIVATE DeviceCoordinate LogicWidthToDeviceCoordinate( long nWidth ) const;
SAL_DLLPRIVATE DeviceCoordinate LogicHeightToDeviceCoordinate( long nHeight ) const;
protected:
/**
* Notification about some rectangle of the output device got invalidated.
*
* @param pRectangle If 0, that means the whole area, otherwise the area in logic coordinates.
*/
virtual void LogicInvalidate(const Rectangle* /*pRectangle*/) { }
private:
/** Convert a logical X coordinate to a device pixel's X coordinate.
To get the device's X coordinate, it must calculate the mapping offset
coordinate X position (if there is one - if not then it just adds
the pseudo-window offset to the logical X coordinate), the X-DPI of
the device and the mapping's X scaling factor.
@param nX Logical X coordinate
@returns Device's X pixel coordinate
*/
SAL_DLLPRIVATE long ImplLogicXToDevicePixel( long nX ) const;
/** Convert a logical Y coordinate to a device pixel's Y coordinate.
To get the device's Y coordinate, it must calculate the mapping offset
coordinate Y position (if there is one - if not then it just adds
the pseudo-window offset to the logical Y coordinate), the Y-DPI of
the device and the mapping's Y scaling factor.
@param nY Logical Y coordinate
@returns Device's Y pixel coordinate
*/
SAL_DLLPRIVATE long ImplLogicYToDevicePixel( long nY ) const;
/** Convert a logical height to a height in units of device pixels.
To get the number of device pixels, it must calculate the Y-DPI of the device and
the map scaling factor. If there is no mapping, then it just returns the
height as nothing more needs to be done.
@param nHeight Logical height
@returns Height in units of device pixels.
*/
SAL_DLLPRIVATE long ImplLogicHeightToDevicePixel( long nHeight ) const;
/** Convert device pixels to a width in logical units.
To get the logical width, it must calculate the X-DPI of the device and the
map scaling factor.
@param nWidth Width in device pixels
@returns Width in logical units.
*/
SAL_DLLPRIVATE long ImplDevicePixelToLogicWidth( long nWidth ) const;
/** Convert device pixels to a height in logical units.
To get the logical height, it must calculate the Y-DPI of the device and the
map scaling factor.
@param nHeight Height in device pixels
@returns Height in logical units.
*/
SAL_DLLPRIVATE long ImplDevicePixelToLogicHeight( long nHeight ) const;
/** Convert logical height to device pixels, with exact sub-pixel value.
To get the \em exact pixel height, it must calculate the Y-DPI of the device and the
map scaling factor.
@param nHeight Exact height in logical units.
@returns Exact height in pixels - returns as a float to provide for subpixel value.
*/
SAL_DLLPRIVATE float ImplFloatLogicHeightToDevicePixel( float ) const;
/** Convert a logical size to the size on the physical device.
@param rLogicSize Const reference to a size in logical units
@returns Physical size on the device.
*/
SAL_DLLPRIVATE Size ImplLogicToDevicePixel( const Size& rLogicSize ) const;
/** Convert a rectangle in physical pixel units to a rectangle in physical pixel units and coords.
@param rPixelRect Const reference to rectangle in logical units and coords.
@returns Rectangle based on logical coordinates and units.
*/
SAL_DLLPRIVATE Rectangle ImplDevicePixelToLogic( const Rectangle& rPixelRect ) const;
/** Convert a logical B2DPolygon to a B2DPolygon in physical device pixel units.
@param rLogicSize Const reference to a B2DPolygon in logical units
@returns B2DPolyPolygon based on physical device pixel coordinates and units.
*/
SAL_DLLPRIVATE ::basegfx::B2DPolygon ImplLogicToDevicePixel( const ::basegfx::B2DPolygon& rLogicPoly ) const;
/** Convert a logical B2DPolyPolygon to a B2DPolyPolygon in physical device pixel units.
@param rLogicPolyPoly Const reference to a B2DPolyPolygon in logical units
@returns B2DPolyPolygon based on physical device pixel coordinates and units.
*/
SAL_DLLPRIVATE ::basegfx::B2DPolyPolygon ImplLogicToDevicePixel( const ::basegfx::B2DPolyPolygon& rLogicPolyPoly ) const;
/** Convert a logical polygon to a polygon in physical device pixel units.
@param rLogicPoly Const reference to a polygon in logical units
@returns Polygon based on physical device pixel coordinates and units.
*/
SAL_DLLPRIVATE Polygon ImplLogicToDevicePixel( const Polygon& rLogicPoly ) const;
/** Convert a logical polypolygon to a polypolygon in physical device pixel units.
@param rLogicPolyPoly Const reference to a polypolygon in logical units
@returns Polypolygon based on physical device pixel coordinates and units.
*/
SAL_DLLPRIVATE tools::PolyPolygon ImplLogicToDevicePixel( const tools::PolyPolygon& rLogicPolyPoly ) const;
/** Convert a line in logical units to a line in physical device pixel units.
@param rLineInfo Const refernece to a line in logical units
@returns Line based on physical device pixel coordinates and units.
*/
SAL_DLLPRIVATE LineInfo ImplLogicToDevicePixel( const LineInfo& rLineInfo ) const;
/** Convert a region in pixel units to a region in device pixel units and coords.
@param rPixelRect Const reference to region.
@returns vcl::Region based on device pixel coordinates and units.
*/
SAL_DLLPRIVATE vcl::Region ImplPixelToDevicePixel( const vcl::Region& rRegion ) const;
/** Invalidate the view transformation.
@since AOO bug 75163 (OpenOffice.org 2.4.3 - OOH 680 milestone 212)
*/
SAL_DLLPRIVATE void ImplInvalidateViewTransform();
/** Get device transformation.
@since AOO bug 75163 (OpenOffice.org 2.4.3 - OOH 680 milestone 212)
*/
SAL_DLLPRIVATE basegfx::B2DHomMatrix ImplGetDeviceTransformation() const;
///@}
/** @name Native Widget Rendering functions
These all just call through to the private mpGraphics functions of the same name.
*/
///@{
public:
/** Query the platform layer for control support
*/
bool IsNativeControlSupported( ControlType nType, ControlPart nPart ) const;
/** Query the native control to determine if it was acted upon
*/
bool HitTestNativeControl(
ControlType nType,
ControlPart nPart,
const Rectangle& rControlRegion,
const Point& aPos,
bool& rIsInside ) const;
/** Request rendering of a particular control and/or part
*/
bool DrawNativeControl(
ControlType nType,
ControlPart nPart,
const Rectangle& rControlRegion,
ControlState nState,
const ImplControlValue& aValue,
const OUString& aCaption );
/** Query the native control's actual drawing region (including adornment)
*/
bool GetNativeControlRegion(
ControlType nType,
ControlPart nPart,
const Rectangle& rControlRegion,
ControlState nState,
const ImplControlValue& aValue,
const OUString& aCaption,
Rectangle &rNativeBoundingRegion,
Rectangle &rNativeContentRegion ) const;
///@}
/** @name EPS functions
*/
///@{
public:
/** @returns boolean value to see if EPS could be painted directly.
Theoreticaly, handing over a matrix would be needed to handle
painting rotated EPS files (e.g. contained in Metafiles). This
would then need to be supported for Mac and PS printers, but
that's too much for now, wrote \#i107046# for this */
bool DrawEPS(
const Point& rPt, const Size& rSz,
const GfxLink& rGfxLink, GDIMetaFile* pSubst = NULL );
///@}
};
#endif // INCLUDED_VCL_OUTDEV_HXX
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