0c87f8bf42
Mac / Win cairo is not built / used, this cairo code can be removed to reduce code bloat. 4th Revised version with Android fixes Change-Id: I6e56850f535ca13b77839b7d67e227c5f39d388e Reviewed-on: https://gerrit.libreoffice.org/16218 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
637 lines
30 KiB
C++
637 lines
30 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_VCL_INC_SALGDI_HXX
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#define INCLUDED_VCL_INC_SALGDI_HXX
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#include <tools/solar.h>
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#include <osl/thread.hxx>
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#include <vcl/dllapi.h>
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#include <vcl/salgtype.hxx>
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#include <vcl/outdev.hxx>
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#include <vcl/salnativewidgets.hxx>
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#include <vcl/metric.hxx>
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#include "salgdiimpl.hxx"
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#include "salglyphid.hxx"
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#include "sallayout.hxx"
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#include <map>
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#include <set>
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#include <config_cairo_canvas.h>
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class PhysicalFontCollection;
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class SalBitmap;
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class FontSelectPattern;
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class ImplFontMetricData;
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class PhysicalFontFace;
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class SalLayout;
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class ImplLayoutArgs;
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class Rectangle;
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class FontSubsetInfo;
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class OpenGLContext;
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class OutputDevice;
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class ServerFontLayout;
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struct SystemGraphicsData;
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#if ENABLE_CAIRO_CANVAS
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struct SystemFontData;
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#endif // ENABLE_CAIRO_CANVAS
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namespace basegfx {
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class B2DVector;
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class B2DPolygon;
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class B2DPolyPolygon;
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}
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// - SalGraphics-Codes -
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#define SAL_SETFONT_USEDRAWTEXTARRAY ((sal_uInt16)0x0004)
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#define SAL_SETFONT_BADFONT ((sal_uInt16)0x1000)
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#define SAL_COPYAREA_WINDOWINVALIDATE ((sal_uInt16)0x0001)
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typedef sal_Unicode sal_Ucs; // TODO: use sal_UCS4 instead of sal_Unicode
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typedef std::map< sal_Ucs, sal_Int32 > Ucs2SIntMap;
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typedef std::map< sal_Ucs, sal_uInt32 > Ucs2UIntMap;
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typedef std::map< sal_Ucs, OString > Ucs2OStrMap;
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typedef std::vector< sal_Int32 > Int32Vector;
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// note: if you add any new methods to class SalGraphics using coordinates
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// make sure they have a corresponding protected pure virtual method
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// which has to be implemented by the platform dependent part.
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// Add a method that performs coordinate mirroring if required, (see
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// existing methods as sample) and then calls the equivalent pure method.
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// note: all positions are in pixel and relative to
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// the top/left-position of the virtual output area
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class VCL_PLUGIN_PUBLIC SalGraphics
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{
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public:
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SalGraphics();
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virtual ~SalGraphics();
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virtual SalGraphicsImpl* GetImpl() const = 0;
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/// Check that our mpImpl is OpenGL and return the context, otherwise NULL.
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OpenGLContext* GetOpenGLContext() const;
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void setAntiAliasB2DDraw(bool bNew) { m_bAntiAliasB2DDraw = bNew; }
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bool getAntiAliasB2DDraw() const { return m_bAntiAliasB2DDraw; }
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// public SalGraphics methods, the interface to the independent vcl part
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// get device resolution
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virtual void GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY ) = 0;
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// get the depth of the device
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virtual sal_uInt16 GetBitCount() const = 0;
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// get the width of the device
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virtual long GetGraphicsWidth() const = 0;
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// set the clip region to empty
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virtual void ResetClipRegion() = 0;
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// set the line color to transparent (= don't draw lines)
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virtual void SetLineColor() = 0;
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// set the line color to a specific color
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virtual void SetLineColor( SalColor nSalColor ) = 0;
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// set the fill color to transparent (= don't fill)
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virtual void SetFillColor() = 0;
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// set the fill color to a specific color, shapes will be
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// filled accordingly
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virtual void SetFillColor( SalColor nSalColor ) = 0;
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// enable/disable XOR drawing
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virtual void SetXORMode( bool bSet, bool bInvertOnly ) = 0;
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// set line color for raster operations
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virtual void SetROPLineColor( SalROPColor nROPColor ) = 0;
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// set fill color for raster operations
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virtual void SetROPFillColor( SalROPColor nROPColor ) = 0;
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// set the text color to a specific color
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virtual void SetTextColor( SalColor nSalColor ) = 0;
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// set the font
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virtual sal_uInt16 SetFont( FontSelectPattern*, int nFallbackLevel ) = 0;
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// release the fonts
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void ReleaseFonts() { SetFont( NULL, 0 ); }
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// get the current font's metrics
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virtual void GetFontMetric( ImplFontMetricData*, int nFallbackLevel = 0 ) = 0;
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// get the repertoire of the current font
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virtual const FontCharMapPtr GetFontCharMap() const = 0;
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// get the layout capabilities of the current font
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virtual bool GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const = 0;
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// graphics must fill supplied font list
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virtual void GetDevFontList( PhysicalFontCollection* ) = 0;
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// graphics must drop any cached font info
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virtual void ClearDevFontCache() = 0;
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virtual bool AddTempDevFont(
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PhysicalFontCollection*,
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const OUString& rFileURL,
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const OUString& rFontName ) = 0;
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// CreateFontSubset: a method to get a subset of glyhps of a font
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// inside a new valid font file
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// returns true if creation of subset was successful
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// parameters: rToFile: contains a osl file URL to write the subset to
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// pFont: describes from which font to create a subset
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// pGlyphIDs: the glyph ids to be extracted
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// pEncoding: the character code corresponding to each glyph
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// pWidths: the advance widths of the correspoding glyphs (in PS font units)
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// nGlyphs: the number of glyphs
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// rInfo: additional outgoing information
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// implementation note: encoding 0 with glyph id 0 should be added implicitly
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// as "undefined character"
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virtual bool CreateFontSubset(
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const OUString& rToFile,
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const PhysicalFontFace* pFont,
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const sal_GlyphId* pGlyphIDs,
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const sal_uInt8* pEncoding,
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sal_Int32* pWidths,
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int nGlyphs,
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FontSubsetInfo& rInfo ) = 0;
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// GetFontEncodingVector: a method to get the encoding map Unicode
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// to font encoded character; this is only used for type1 fonts and
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// may return NULL in case of unknown encoding vector
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// if ppNonEncoded is set and non encoded characters (that is type1
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// glyphs with only a name) exist it is set to the corresponding
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// map for non encoded glyphs; the encoding vector contains -1
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// as encoding for these cases
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virtual const Ucs2SIntMap* GetFontEncodingVector(
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const PhysicalFontFace*,
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const Ucs2OStrMap** ppNonEncoded,
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std::set<sal_Unicode> const** ppPriority) = 0;
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// GetEmbedFontData: gets the font data for a font marked
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// embeddable by GetDevFontList or NULL in case of error
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// parameters: pFont: describes the font in question
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// pUnicodes: contains the Unicodes assigned to code points 0 to 255
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// pWidths: the widths of all glyphs from char code 0 to 255
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// nLen: the number of elements in each of pWidths and pUnicodes
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// rInfo: additional outgoing information
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// pDataLen: out parameter, contains the byte length of the returned buffer
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virtual const void* GetEmbedFontData(
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const PhysicalFontFace* pFont,
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const sal_Ucs* pUnicodes,
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sal_Int32* pWidths,
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size_t nLen,
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FontSubsetInfo& rInfo,
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long* pDataLen ) = 0;
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// free the font data again
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virtual void FreeEmbedFontData( const void* pData, long nDataLen ) = 0;
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// get the same widths as in CreateFontSubset and GetEmbedFontData
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// in case of an embeddable font also fill the mapping
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// between unicode and glyph id
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// leave widths vector and mapping untouched in case of failure
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virtual void GetGlyphWidths(
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const PhysicalFontFace* pFont,
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bool bVertical,
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Int32Vector& rWidths,
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Ucs2UIntMap& rUnicodeEnc ) = 0;
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virtual bool GetGlyphBoundRect( sal_GlyphId, Rectangle& ) = 0;
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virtual bool GetGlyphOutline( sal_GlyphId, basegfx::B2DPolyPolygon& ) = 0;
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virtual SalLayout* GetTextLayout( ImplLayoutArgs&, int nFallbackLevel ) = 0;
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virtual void DrawServerFontLayout( const ServerFontLayout& ) = 0;
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virtual bool supportsOperation( OutDevSupportType ) const = 0;
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// mirroring specifics
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SalLayoutFlags GetLayout() { return m_nLayout; }
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void SetLayout( SalLayoutFlags aLayout ) { m_nLayout = aLayout;}
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void mirror( long& nX, const OutputDevice *pOutDev, bool bBack = false ) const;
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void mirror( long& nX, long& nWidth, const OutputDevice *pOutDev, bool bBack = false ) const;
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bool mirror( sal_uInt32 nPoints, const SalPoint *pPtAry, SalPoint *pPtAry2, const OutputDevice *pOutDev, bool bBack = false ) const;
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void mirror( Rectangle& rRect, const OutputDevice*, bool bBack = false ) const;
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void mirror( vcl::Region& rRgn, const OutputDevice *pOutDev, bool bBack = false ) const;
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void mirror( ImplControlValue&, const OutputDevice*, bool bBack = false ) const;
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basegfx::B2DPoint mirror( const basegfx::B2DPoint& i_rPoint, const OutputDevice *pOutDev, bool bBack = false ) const;
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basegfx::B2DPolygon mirror( const basegfx::B2DPolygon& i_rPoly, const OutputDevice *pOutDev, bool bBack = false ) const;
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basegfx::B2DPolyPolygon mirror( const basegfx::B2DPolyPolygon& i_rPoly, const OutputDevice *pOutDev, bool bBack = false ) const;
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// non virtual methods; these do possible coordinate mirroring and
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// then delegate to protected virtual methods
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bool SetClipRegion( const vcl::Region&, const OutputDevice *pOutDev );
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// draw --> LineColor and FillColor and RasterOp and ClipRegion
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void DrawPixel( long nX, long nY, const OutputDevice *pOutDev );
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void DrawPixel( long nX, long nY, SalColor nSalColor, const OutputDevice *pOutDev );
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void DrawLine( long nX1, long nY1, long nX2, long nY2, const OutputDevice *pOutDev );
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void DrawRect( long nX, long nY, long nWidth, long nHeight, const OutputDevice *pOutDev );
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void DrawPolyLine( sal_uInt32 nPoints, const SalPoint* pPtAry, const OutputDevice *pOutDev );
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void DrawPolygon( sal_uInt32 nPoints, const SalPoint* pPtAry, const OutputDevice *pOutDev );
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void DrawPolyPolygon(
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sal_uInt32 nPoly,
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const sal_uInt32* pPoints,
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PCONSTSALPOINT* pPtAry,
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const OutputDevice *pOutDev );
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bool DrawPolyPolygon(
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const basegfx::B2DPolyPolygon &i_rPolyPolygon,
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double i_fTransparency,
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const OutputDevice *i_pOutDev);
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bool DrawPolyLine(
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const basegfx::B2DPolygon& i_rPolygon,
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double i_fTransparency,
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const basegfx::B2DVector& i_rLineWidth,
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basegfx::B2DLineJoin i_eLineJoin,
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com::sun::star::drawing::LineCap i_eLineCap,
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const OutputDevice* i_pOutDev);
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bool DrawPolyLineBezier(
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sal_uInt32 nPoints,
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const SalPoint* pPtAry,
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const sal_uInt8* pFlgAry,
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const OutputDevice *pOutDev );
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bool DrawPolygonBezier(
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sal_uInt32 nPoints,
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const SalPoint* pPtAry,
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const sal_uInt8* pFlgAry,
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const OutputDevice *pOutDev );
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bool DrawPolyPolygonBezier(
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sal_uInt32 nPoly,
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const sal_uInt32* pPoints,
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const SalPoint* const* pPtAry,
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const sal_uInt8* const* pFlgAry,
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const OutputDevice *pOutDev );
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bool DrawGradient(
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const tools::PolyPolygon& rPolyPoly,
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const Gradient& rGradient,
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OutputDevice* );
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// CopyArea --> No RasterOp, but ClipRegion
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void CopyArea(
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long nDestX, long nDestY,
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long nSrcX, long nSrcY,
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long nSrcWidth, long nSrcHeight,
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sal_uInt16 nFlags,
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const OutputDevice *pOutDev );
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// CopyBits and DrawBitmap --> RasterOp and ClipRegion
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// CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics
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void CopyBits(
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const SalTwoRect& rPosAry,
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SalGraphics* pSrcGraphics,
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const OutputDevice *pOutDev,
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const OutputDevice *pSrcOutDev );
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void DrawBitmap(
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const SalTwoRect& rPosAry,
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const SalBitmap& rSalBitmap,
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const OutputDevice *pOutDev );
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void DrawBitmap(
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const SalTwoRect& rPosAry,
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const SalBitmap& rSalBitmap,
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const SalBitmap& rTransparentBitmap,
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const OutputDevice *pOutDev );
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void DrawMask(
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const SalTwoRect& rPosAry,
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const SalBitmap& rSalBitmap,
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SalColor nMaskColor,
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const OutputDevice *pOutDev );
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SalBitmap* GetBitmap(
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long nX, long nY,
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long nWidth, long nHeight,
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const OutputDevice *pOutDev );
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SalColor GetPixel(
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long nX, long nY,
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const OutputDevice *pOutDev );
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// invert --> ClipRegion (only Windows)
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void Invert(
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long nX, long nY,
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long nWidth, long nHeight,
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SalInvert nFlags,
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const OutputDevice *pOutDev );
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void Invert(
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sal_uInt32 nPoints,
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const SalPoint* pPtAry,
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SalInvert nFlags,
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const OutputDevice *pOutDev );
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bool DrawEPS(
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long nX, long nY,
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long nWidth, long nHeight,
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void* pPtr,
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sal_uLong nSize,
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const OutputDevice *pOutDev );
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// native widget rendering functions
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// Query the platform layer for control support
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virtual bool IsNativeControlSupported( ControlType nType, ControlPart nPart );
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// Query the native control to determine if it was acted upon
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bool HitTestNativeControl(
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ControlType nType,
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ControlPart nPart,
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const Rectangle& rControlRegion,
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const Point& aPos,
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bool& rIsInside,
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const OutputDevice *pOutDev );
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// Request rendering of a particular control and/or part
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bool DrawNativeControl(
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ControlType nType,
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ControlPart nPart,
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const Rectangle& rControlRegion,
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ControlState nState,
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const ImplControlValue& aValue,
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const OUString& aCaption,
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const OutputDevice *pOutDev );
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// Query the native control's actual drawing region (including adornment)
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bool GetNativeControlRegion(
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ControlType nType,
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ControlPart nPart,
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const Rectangle& rControlRegion,
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ControlState nState,
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const ImplControlValue& aValue,
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const OUString& aCaption,
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Rectangle &rNativeBoundingRegion,
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Rectangle &rNativeContentRegion,
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const OutputDevice *pOutDev );
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bool BlendBitmap(
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const SalTwoRect& rPosAry,
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const SalBitmap& rSalBitmap,
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const OutputDevice *pOutDev );
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bool BlendAlphaBitmap(
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const SalTwoRect& rPosAry,
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const SalBitmap& rSalSrcBitmap,
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const SalBitmap& rSalMaskBitmap,
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const SalBitmap& rSalAlphaBitmap,
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const OutputDevice *pOutDev );
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bool DrawAlphaBitmap(
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const SalTwoRect&,
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const SalBitmap& rSourceBitmap,
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const SalBitmap& rAlphaBitmap,
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const OutputDevice *pOutDev );
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bool DrawTransformedBitmap(
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const basegfx::B2DPoint& rNull,
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const basegfx::B2DPoint& rX,
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const basegfx::B2DPoint& rY,
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const SalBitmap& rSourceBitmap,
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const SalBitmap* pAlphaBitmap,
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const OutputDevice* pOutDev );
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bool DrawAlphaRect(
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long nX, long nY,
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long nWidth, long nHeight,
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sal_uInt8 nTransparency,
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const OutputDevice *pOutDev );
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virtual void BeginPaint() = 0;
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virtual void EndPaint() = 0;
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virtual SystemGraphicsData GetGraphicsData() const = 0;
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#if ENABLE_CAIRO_CANVAS
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/// Check whether cairo will work
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virtual bool SupportsCairo() const = 0;
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/// Create Surface from given cairo surface
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virtual cairo::SurfaceSharedPtr CreateSurface(const cairo::CairoSurfaceSharedPtr& rSurface) const = 0;
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/// Create surface with given dimensions
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virtual cairo::SurfaceSharedPtr CreateSurface(const OutputDevice& rRefDevice, int x, int y, int width, int height) const = 0;
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/// Create Surface for given bitmap data
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virtual cairo::SurfaceSharedPtr CreateBitmapSurface(const OutputDevice& rRefDevice, const BitmapSystemData& rData, const Size& rSize) const = 0;
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virtual css::uno::Any GetNativeSurfaceHandle(cairo::SurfaceSharedPtr& rSurface, const ::basegfx::B2ISize& rSize) const = 0;
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virtual SystemFontData GetSysFontData( int nFallbacklevel ) const = 0;
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#endif // ENABLE_CAIRO_CANVAS
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protected:
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virtual bool setClipRegion( const vcl::Region& ) = 0;
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// draw --> LineColor and FillColor and RasterOp and ClipRegion
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virtual void drawPixel( long nX, long nY ) = 0;
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virtual void drawPixel( long nX, long nY, SalColor nSalColor ) = 0;
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virtual void drawLine( long nX1, long nY1, long nX2, long nY2 ) = 0;
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virtual void drawRect( long nX, long nY, long nWidth, long nHeight ) = 0;
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virtual void drawPolyLine( sal_uInt32 nPoints, const SalPoint* pPtAry ) = 0;
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virtual void drawPolygon( sal_uInt32 nPoints, const SalPoint* pPtAry ) = 0;
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virtual void drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints, PCONSTSALPOINT* pPtAry ) = 0;
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virtual bool drawPolyPolygon( const ::basegfx::B2DPolyPolygon&, double fTransparency ) = 0;
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virtual bool drawPolyLine(
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const ::basegfx::B2DPolygon&,
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double fTransparency,
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const ::basegfx::B2DVector& rLineWidths,
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basegfx::B2DLineJoin,
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com::sun::star::drawing::LineCap) = 0;
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virtual bool drawPolyLineBezier(
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sal_uInt32 nPoints,
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const SalPoint* pPtAry,
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const sal_uInt8* pFlgAry ) = 0;
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virtual bool drawPolygonBezier(
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sal_uInt32 nPoints,
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const SalPoint* pPtAry,
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const sal_uInt8* pFlgAry ) = 0;
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virtual bool drawPolyPolygonBezier(
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sal_uInt32 nPoly,
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const sal_uInt32* pPoints,
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const SalPoint* const* pPtAry,
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const sal_uInt8* const* pFlgAry ) = 0;
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virtual bool drawGradient(
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const tools::PolyPolygon& rPolyPoly,
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const Gradient& rGradient ) = 0;
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// CopyArea --> No RasterOp, but ClipRegion
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virtual void copyArea(
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long nDestX, long nDestY,
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long nSrcX, long nSrcY,
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long nSrcWidth, long nSrcHeight,
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sal_uInt16 nFlags ) = 0;
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// CopyBits and DrawBitmap --> RasterOp and ClipRegion
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// CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics
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virtual void copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics ) = 0;
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virtual void drawBitmap( const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap ) = 0;
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virtual void drawBitmap(
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const SalTwoRect& rPosAry,
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const SalBitmap& rSalBitmap,
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SalColor nTransparentColor ) = 0;
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|
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virtual void drawBitmap(
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const SalTwoRect& rPosAry,
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const SalBitmap& rSalBitmap,
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const SalBitmap& rMaskBitmap ) = 0;
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|
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virtual void drawMask(
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const SalTwoRect& rPosAry,
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const SalBitmap& rSalBitmap,
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SalColor nMaskColor ) = 0;
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virtual SalBitmap* getBitmap( long nX, long nY, long nWidth, long nHeight ) = 0;
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virtual SalColor getPixel( long nX, long nY ) = 0;
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// invert --> ClipRegion (only Windows or VirDevs)
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virtual void invert(
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long nX, long nY,
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long nWidth, long nHeight,
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SalInvert nFlags) = 0;
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virtual void invert( sal_uInt32 nPoints, const SalPoint* pPtAry, SalInvert nFlags ) = 0;
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|
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virtual bool drawEPS(
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|
long nX, long nY,
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|
long nWidth, long nHeight,
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|
void* pPtr,
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|
sal_uLong nSize ) = 0;
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// native widget rendering methods that require mirroring
|
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virtual bool hitTestNativeControl(
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|
ControlType nType, ControlPart nPart,
|
|
const Rectangle& rControlRegion,
|
|
const Point& aPos,
|
|
bool& rIsInside );
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|
|
|
virtual bool drawNativeControl(
|
|
ControlType nType, ControlPart nPart,
|
|
const Rectangle& rControlRegion,
|
|
ControlState nState,
|
|
const ImplControlValue& aValue,
|
|
const OUString& aCaption );
|
|
|
|
virtual bool getNativeControlRegion(
|
|
ControlType nType, ControlPart nPart,
|
|
const Rectangle& rControlRegion,
|
|
ControlState nState,
|
|
const ImplControlValue& aValue,
|
|
const OUString& aCaption,
|
|
Rectangle &rNativeBoundingRegion,
|
|
Rectangle &rNativeContentRegion );
|
|
|
|
/** Blend the bitmap with the current buffer */
|
|
virtual bool blendBitmap(
|
|
const SalTwoRect&,
|
|
const SalBitmap& rBitmap ) = 0;
|
|
|
|
/** Draw the bitmap by blending using the mask and alpha channel */
|
|
virtual bool blendAlphaBitmap(
|
|
const SalTwoRect&,
|
|
const SalBitmap& rSrcBitmap,
|
|
const SalBitmap& rMaskBitmap,
|
|
const SalBitmap& rAlphaBitmap ) = 0;
|
|
|
|
/** Render bitmap with alpha channel
|
|
|
|
@param rSourceBitmap
|
|
Source bitmap to blit
|
|
|
|
@param rAlphaBitmap
|
|
Alpha channel to use for blitting
|
|
|
|
@return true, if the operation succeeded, and false
|
|
otherwise. In this case, clients should try to emulate alpha
|
|
compositing themselves
|
|
*/
|
|
virtual bool drawAlphaBitmap(
|
|
const SalTwoRect&,
|
|
const SalBitmap& rSourceBitmap,
|
|
const SalBitmap& rAlphaBitmap ) = 0;
|
|
|
|
/** draw transformed bitmap (maybe with alpha) where Null, X, Y define the coordinate system */
|
|
virtual bool drawTransformedBitmap(
|
|
const basegfx::B2DPoint& rNull,
|
|
const basegfx::B2DPoint& rX,
|
|
const basegfx::B2DPoint& rY,
|
|
const SalBitmap& rSourceBitmap,
|
|
const SalBitmap* pAlphaBitmap) = 0;
|
|
|
|
/** Render solid rectangle with given transparency
|
|
|
|
@param nTransparency
|
|
Transparency value (0-255) to use. 0 blits and opaque, 255 a
|
|
fully transparent rectangle
|
|
*/
|
|
virtual bool drawAlphaRect(
|
|
long nX, long nY,
|
|
long nWidth, long nHeight,
|
|
sal_uInt8 nTransparency ) = 0;
|
|
|
|
private:
|
|
SalLayoutFlags m_nLayout; //< 0: mirroring off, 1: mirror x-axis
|
|
|
|
protected:
|
|
/// flags which hold the SetAntialiasing() value from OutputDevice
|
|
bool m_bAntiAliasB2DDraw : 1;
|
|
|
|
};
|
|
|
|
#endif // INCLUDED_VCL_INC_SALGDI_HXX
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|
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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