83ba7b4e8f
Compiles, but I obviously have no idea how it works yet. Yes, eventually we should factor out common parts from the iOS and MacOSX code.
1582 lines
49 KiB
C++
1582 lines
49 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <sal/types.h>
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#include <osl/file.hxx>
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#include "basegfx/polygon/b2dpolygon.hxx"
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#include "ios/salbmp.h"
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#include "ios/salgdi.h"
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#include "fontsubset.hxx"
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#include "region.h"
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#include "sft.hxx"
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using namespace vcl;
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//typedef unsigned char Boolean; // copied from MacTypes.h, should be properly included
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typedef std::vector<unsigned char> ByteVector;
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static const basegfx::B2DPoint aHalfPointOfs ( 0.5, 0.5 );
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static void AddPolygonToPath( CGMutablePathRef xPath,
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const ::basegfx::B2DPolygon& rPolygon,
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bool bClosePath, bool bPixelSnap, bool bLineDraw )
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{
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// short circuit if there is nothing to do
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const int nPointCount = rPolygon.count();
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if( nPointCount <= 0 )
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{
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return;
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}
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(void)bPixelSnap; // TODO
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const CGAffineTransform* pTransform = NULL;
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const bool bHasCurves = rPolygon.areControlPointsUsed();
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for( int nPointIdx = 0, nPrevIdx = 0;; nPrevIdx = nPointIdx++ )
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{
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int nClosedIdx = nPointIdx;
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if( nPointIdx >= nPointCount )
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{
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// prepare to close last curve segment if needed
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if( bClosePath && (nPointIdx == nPointCount) )
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{
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nClosedIdx = 0;
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}
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else
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{
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break;
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}
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}
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::basegfx::B2DPoint aPoint = rPolygon.getB2DPoint( nClosedIdx );
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if( bPixelSnap)
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{
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// snap device coordinates to full pixels
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aPoint.setX( basegfx::fround( aPoint.getX() ) );
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aPoint.setY( basegfx::fround( aPoint.getY() ) );
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}
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if( bLineDraw )
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{
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aPoint += aHalfPointOfs;
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}
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if( !nPointIdx )
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{
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// first point => just move there
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CGPathMoveToPoint( xPath, pTransform, aPoint.getX(), aPoint.getY() );
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continue;
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}
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bool bPendingCurve = false;
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if( bHasCurves )
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{
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bPendingCurve = rPolygon.isNextControlPointUsed( nPrevIdx );
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bPendingCurve |= rPolygon.isPrevControlPointUsed( nClosedIdx );
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}
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if( !bPendingCurve ) // line segment
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{
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CGPathAddLineToPoint( xPath, pTransform, aPoint.getX(), aPoint.getY() );
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}
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else // cubic bezier segment
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{
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basegfx::B2DPoint aCP1 = rPolygon.getNextControlPoint( nPrevIdx );
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basegfx::B2DPoint aCP2 = rPolygon.getPrevControlPoint( nClosedIdx );
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if( bLineDraw )
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{
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aCP1 += aHalfPointOfs;
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aCP2 += aHalfPointOfs;
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}
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CGPathAddCurveToPoint( xPath, pTransform, aCP1.getX(), aCP1.getY(),
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aCP2.getX(), aCP2.getY(), aPoint.getX(), aPoint.getY() );
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}
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}
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if( bClosePath )
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{
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CGPathCloseSubpath( xPath );
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}
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}
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static void AddPolyPolygonToPath( CGMutablePathRef xPath,
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const ::basegfx::B2DPolyPolygon& rPolyPoly,
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bool bPixelSnap, bool bLineDraw )
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{
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// short circuit if there is nothing to do
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const int nPolyCount = rPolyPoly.count();
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if( nPolyCount <= 0 )
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{
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return;
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}
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for( int nPolyIdx = 0; nPolyIdx < nPolyCount; ++nPolyIdx )
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{
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const ::basegfx::B2DPolygon rPolygon = rPolyPoly.getB2DPolygon( nPolyIdx );
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AddPolygonToPath( xPath, rPolygon, true, bPixelSnap, bLineDraw );
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}
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}
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sal_Bool IosSalGraphics::CreateFontSubset( const rtl::OUString& rToFile,
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const ImplFontData* pFontData,
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long* pGlyphIDs, sal_uInt8* pEncoding,
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sal_Int32* pGlyphWidths, int nGlyphCount,
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FontSubsetInfo& rInfo )
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{
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// TODO: move more of the functionality here into the generic subsetter code
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// prepare the requested file name for writing the font-subset file
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rtl::OUString aSysPath;
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if( osl_File_E_None != osl_getSystemPathFromFileURL( rToFile.pData, &aSysPath.pData ) )
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return sal_False;
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const rtl_TextEncoding aThreadEncoding = osl_getThreadTextEncoding();
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const rtl::OString aToFile( rtl::OUStringToOString( aSysPath, aThreadEncoding ) );
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// get the raw-bytes from the font to be subset
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ByteVector aBuffer;
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bool bCffOnly = false;
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if( !GetRawFontData( pFontData, aBuffer, &bCffOnly ) )
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return sal_False;
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// handle CFF-subsetting
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if( bCffOnly )
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{
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// provide the raw-CFF data to the subsetter
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ByteCount nCffLen = aBuffer.size();
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rInfo.LoadFont( FontSubsetInfo::CFF_FONT, &aBuffer[0], nCffLen );
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// NOTE: assuming that all glyphids requested on Ios are fully translated
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// make the subsetter provide the requested subset
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FILE* pOutFile = fopen( aToFile.getStr(), "wb" );
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bool bRC = rInfo.CreateFontSubset( FontSubsetInfo::TYPE1_PFB, pOutFile, NULL,
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pGlyphIDs, pEncoding, nGlyphCount, pGlyphWidths );
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fclose( pOutFile );
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return bRC;
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}
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// TODO: modernize psprint's horrible fontsubset C-API
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// this probably only makes sense after the switch to another SCM
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// that can preserve change history after file renames
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// prepare data for psprint's font subsetter
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TrueTypeFont* pSftFont = NULL;
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int nRC = ::OpenTTFontBuffer( (void*)&aBuffer[0], aBuffer.size(), 0, &pSftFont);
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if( nRC != SF_OK )
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return sal_False;
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// get details about the subsetted font
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TTGlobalFontInfo aTTInfo;
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::GetTTGlobalFontInfo( pSftFont, &aTTInfo );
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rInfo.m_nFontType = FontSubsetInfo::SFNT_TTF;
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rInfo.m_aPSName = String( aTTInfo.psname, RTL_TEXTENCODING_UTF8 );
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rInfo.m_aFontBBox = Rectangle( Point( aTTInfo.xMin, aTTInfo.yMin ),
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Point( aTTInfo.xMax, aTTInfo.yMax ) );
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rInfo.m_nCapHeight = aTTInfo.yMax; // Well ...
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rInfo.m_nAscent = aTTInfo.winAscent;
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rInfo.m_nDescent = aTTInfo.winDescent;
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// mac fonts usually do not have an OS2-table
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// => get valid ascent/descent values from other tables
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if( !rInfo.m_nAscent )
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rInfo.m_nAscent = +aTTInfo.typoAscender;
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if( !rInfo.m_nAscent )
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rInfo.m_nAscent = +aTTInfo.ascender;
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if( !rInfo.m_nDescent )
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rInfo.m_nDescent = +aTTInfo.typoDescender;
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if( !rInfo.m_nDescent )
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rInfo.m_nDescent = -aTTInfo.descender;
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// subset glyphs and get their properties
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// take care that subset fonts require the NotDef glyph in pos 0
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int nOrigCount = nGlyphCount;
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sal_uInt16 aShortIDs[ 256 ];
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sal_uInt8 aTempEncs[ 256 ];
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int nNotDef = -1;
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for( int i = 0; i < nGlyphCount; ++i )
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{
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aTempEncs[i] = pEncoding[i];
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sal_uInt32 nGlyphIdx = pGlyphIDs[i] & GF_IDXMASK;
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if( pGlyphIDs[i] & GF_ISCHAR )
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{
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bool bVertical = (pGlyphIDs[i] & GF_ROTMASK) != 0;
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nGlyphIdx = ::MapChar( pSftFont, static_cast<sal_uInt16>(nGlyphIdx), bVertical );
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if( nGlyphIdx == 0 && pFontData->IsSymbolFont() )
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{
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// #i12824# emulate symbol aliasing U+FXXX <-> U+0XXX
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nGlyphIdx = pGlyphIDs[i] & GF_IDXMASK;
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nGlyphIdx = (nGlyphIdx & 0xF000) ? (nGlyphIdx & 0x00FF) : (nGlyphIdx | 0xF000 );
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nGlyphIdx = ::MapChar( pSftFont, static_cast<sal_uInt16>(nGlyphIdx), bVertical );
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}
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}
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aShortIDs[i] = static_cast<sal_uInt16>( nGlyphIdx );
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if( !nGlyphIdx )
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if( nNotDef < 0 )
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nNotDef = i; // first NotDef glyph found
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}
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if( nNotDef != 0 )
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{
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// add fake NotDef glyph if needed
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if( nNotDef < 0 )
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nNotDef = nGlyphCount++;
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// NotDef glyph must be in pos 0 => swap glyphids
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aShortIDs[ nNotDef ] = aShortIDs[0];
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aTempEncs[ nNotDef ] = aTempEncs[0];
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aShortIDs[0] = 0;
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aTempEncs[0] = 0;
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}
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DBG_ASSERT( nGlyphCount < 257, "too many glyphs for subsetting" );
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// TODO: where to get bVertical?
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const bool bVertical = false;
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// fill the pGlyphWidths array
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// while making sure that the NotDef glyph is at index==0
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TTSimpleGlyphMetrics* pGlyphMetrics =
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::GetTTSimpleGlyphMetrics( pSftFont, aShortIDs, nGlyphCount, bVertical );
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if( !pGlyphMetrics )
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return sal_False;
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sal_uInt16 nNotDefAdv = pGlyphMetrics[0].adv;
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pGlyphMetrics[0].adv = pGlyphMetrics[nNotDef].adv;
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pGlyphMetrics[nNotDef].adv = nNotDefAdv;
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for( int i = 0; i < nOrigCount; ++i )
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pGlyphWidths[i] = pGlyphMetrics[i].adv;
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free( pGlyphMetrics );
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// write subset into destination file
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nRC = ::CreateTTFromTTGlyphs( pSftFont, aToFile.getStr(), aShortIDs,
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aTempEncs, nGlyphCount, 0, NULL, 0 );
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::CloseTTFont(pSftFont);
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return (nRC == SF_OK);
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}
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static inline void alignLinePoint( const SalPoint* i_pIn, float& o_fX, float& o_fY )
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{
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o_fX = static_cast<float>(i_pIn->mnX ) + 0.5;
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o_fY = static_cast<float>(i_pIn->mnY ) + 0.5;
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}
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void IosSalGraphics::copyBits( const SalTwoRect *pPosAry, SalGraphics *pSrcGraphics )
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{
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if( !pSrcGraphics )
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{
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pSrcGraphics = this;
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}
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//from unix salgdi2.cxx
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//[FIXME] find a better way to prevent calc from crashing when width and height are negative
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if( pPosAry->mnSrcWidth <= 0
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|| pPosAry->mnSrcHeight <= 0
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|| pPosAry->mnDestWidth <= 0
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|| pPosAry->mnDestHeight <= 0 )
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{
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return;
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}
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// accelerate trivial operations
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/*const*/ IosSalGraphics* pSrc = static_cast<IosSalGraphics*>(pSrcGraphics);
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const bool bSameGraphics = (this == pSrc) ||
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(mbWindow && mpFrame && pSrc->mbWindow && (mpFrame == pSrc->mpFrame));
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if( bSameGraphics &&
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(pPosAry->mnSrcWidth == pPosAry->mnDestWidth) &&
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(pPosAry->mnSrcHeight == pPosAry->mnDestHeight))
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{
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// short circuit if there is nothing to do
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if( (pPosAry->mnSrcX == pPosAry->mnDestX) &&
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(pPosAry->mnSrcY == pPosAry->mnDestY))
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return;
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// use copyArea() if source and destination context are identical
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copyArea( pPosAry->mnDestX, pPosAry->mnDestY, pPosAry->mnSrcX, pPosAry->mnSrcY,
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pPosAry->mnSrcWidth, pPosAry->mnSrcHeight, 0 );
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return;
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}
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ApplyXorContext();
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pSrc->ApplyXorContext();
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DBG_ASSERT( pSrc->mxLayer!=NULL, "IosSalGraphics::copyBits() from non-layered graphics" );
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const CGPoint aDstPoint = { +pPosAry->mnDestX - pPosAry->mnSrcX, pPosAry->mnDestY - pPosAry->mnSrcY };
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if( (pPosAry->mnSrcWidth == pPosAry->mnDestWidth &&
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pPosAry->mnSrcHeight == pPosAry->mnDestHeight) &&
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(!mnBitmapDepth || (aDstPoint.x + pSrc->mnWidth) <= mnWidth) ) // workaround a Quartz crasher
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{
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// in XOR mode the drawing context is redirected to the XOR mask
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// if source and target are identical then copyBits() paints onto the target context though
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CGContextRef xCopyContext = mrContext;
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if( mpXorEmulation && mpXorEmulation->IsEnabled() )
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{
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if( pSrcGraphics == this )
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{
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xCopyContext = mpXorEmulation->GetTargetContext();
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}
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}
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CGContextSaveGState( xCopyContext );
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const CGRect aDstRect = { {pPosAry->mnDestX, pPosAry->mnDestY}, {pPosAry->mnDestWidth, pPosAry->mnDestHeight} };
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CGContextClipToRect( xCopyContext, aDstRect );
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// draw at new destination
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// NOTE: flipped drawing gets disabled for this, else the subimage would be drawn upside down
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if( pSrc->IsFlipped() )
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{
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CGContextTranslateCTM( xCopyContext, 0, +mnHeight ); CGContextScaleCTM( xCopyContext, +1, -1 );
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}
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// TODO: pSrc->size() != this->size()
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::CGContextDrawLayerAtPoint( xCopyContext, aDstPoint, pSrc->mxLayer );
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CGContextRestoreGState( xCopyContext );
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// mark the destination rectangle as updated
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RefreshRect( aDstRect );
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}
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else
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{
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SalBitmap* pBitmap = pSrc->getBitmap( pPosAry->mnSrcX, pPosAry->mnSrcY,
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pPosAry->mnSrcWidth, pPosAry->mnSrcHeight );
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if( pBitmap )
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{
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SalTwoRect aPosAry( *pPosAry );
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aPosAry.mnSrcX = 0;
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aPosAry.mnSrcY = 0;
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drawBitmap( &aPosAry, *pBitmap );
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delete pBitmap;
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}
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}
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}
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static void DrawPattern50( void*, CGContextRef rContext )
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{
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static const CGRect aRects[2] = { { {0,0}, { 2, 2 } }, { { 2, 2 }, { 2, 2 } } };
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CGContextAddRects( rContext, aRects, 2 );
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CGContextFillPath( rContext );
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}
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static void getBoundRect( sal_uLong nPoints, const SalPoint *pPtAry, long &rX, long& rY, long& rWidth, long& rHeight )
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{
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long nX1 = pPtAry->mnX;
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long nX2 = nX1;
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long nY1 = pPtAry->mnY;
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long nY2 = nY1;
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for( sal_uLong n = 1; n < nPoints; n++ )
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{
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if( pPtAry[n].mnX < nX1 )
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{
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nX1 = pPtAry[n].mnX;
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}
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else if( pPtAry[n].mnX > nX2 )
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{
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nX2 = pPtAry[n].mnX;
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}
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if( pPtAry[n].mnY < nY1 )
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{
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nY1 = pPtAry[n].mnY;
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}
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else if( pPtAry[n].mnY > nY2 )
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{
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nY2 = pPtAry[n].mnY;
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}
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}
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rX = nX1;
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rY = nY1;
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rWidth = nX2 - nX1 + 1;
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rHeight = nY2 - nY1 + 1;
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}
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static SalColor ImplGetROPSalColor( SalROPColor nROPColor )
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{
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SalColor nSalColor;
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if ( nROPColor == SAL_ROP_0 )
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{
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nSalColor = MAKE_SALCOLOR( 0, 0, 0 );
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}
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else
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{
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nSalColor = MAKE_SALCOLOR( 255, 255, 255 );
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}
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return nSalColor;
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}
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// apply the XOR mask to the target context if active and dirty
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void IosSalGraphics::ApplyXorContext()
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{
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if( !mpXorEmulation )
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{
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return;
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}
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if( mpXorEmulation->UpdateTarget() )
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{
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RefreshRect( 0, 0, mnWidth, mnHeight ); // TODO: refresh minimal changerect
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}
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}
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void IosSalGraphics::copyArea( long nDstX, long nDstY,long nSrcX, long nSrcY,
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long nSrcWidth, long nSrcHeight, sal_uInt16 /*nFlags*/ )
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{
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ApplyXorContext();
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DBG_ASSERT( mxLayer!=NULL, "IosSalGraphics::copyArea() for non-layered graphics" );
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// in XOR mode the drawing context is redirected to the XOR mask
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// copyArea() always works on the target context though
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CGContextRef xCopyContext = mrContext;
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if( mpXorEmulation && mpXorEmulation->IsEnabled() )
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{
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xCopyContext = mpXorEmulation->GetTargetContext();
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}
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// drawing a layer onto its own context causes trouble on OSX => copy it first
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// TODO: is it possible to get rid of this unneeded copy more often?
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// e.g. on OSX>=10.5 only this situation causes problems:
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// mnBitmapDepth && (aDstPoint.x + pSrc->mnWidth) > mnWidth
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CGLayerRef xSrcLayer = mxLayer;
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// TODO: if( mnBitmapDepth > 0 )
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{
|
|
const CGSize aSrcSize = { nSrcWidth, nSrcHeight };
|
|
xSrcLayer = ::CGLayerCreateWithContext( xCopyContext, aSrcSize, NULL );
|
|
const CGContextRef xSrcContext = CGLayerGetContext( xSrcLayer );
|
|
CGPoint aSrcPoint = { -nSrcX, -nSrcY };
|
|
if( IsFlipped() )
|
|
{
|
|
::CGContextTranslateCTM( xSrcContext, 0, +nSrcHeight );
|
|
::CGContextScaleCTM( xSrcContext, +1, -1 );
|
|
aSrcPoint.y = (nSrcY + nSrcHeight) - mnHeight;
|
|
}
|
|
::CGContextDrawLayerAtPoint( xSrcContext, aSrcPoint, mxLayer );
|
|
}
|
|
|
|
// draw at new destination
|
|
const CGPoint aDstPoint = { +nDstX, +nDstY };
|
|
::CGContextDrawLayerAtPoint( xCopyContext, aDstPoint, xSrcLayer );
|
|
|
|
// cleanup
|
|
if( xSrcLayer != mxLayer )
|
|
{
|
|
CGLayerRelease( xSrcLayer );
|
|
}
|
|
// mark the destination rectangle as updated
|
|
RefreshRect( nDstX, nDstY, nSrcWidth, nSrcHeight );
|
|
|
|
}
|
|
|
|
void IosSalGraphics::copyResolution( IosSalGraphics& rGraphics )
|
|
{
|
|
if( !rGraphics.mnRealDPIY && rGraphics.mbWindow && rGraphics.mpFrame )
|
|
{
|
|
rGraphics.initResolution( rGraphics.mpFrame->mpWindow );
|
|
}
|
|
mnRealDPIX = rGraphics.mnRealDPIX;
|
|
mnRealDPIY = rGraphics.mnRealDPIY;
|
|
mfFakeDPIScale = rGraphics.mfFakeDPIScale;
|
|
}
|
|
|
|
bool IosSalGraphics::drawAlphaBitmap( const SalTwoRect& rTR,
|
|
const SalBitmap& rSrcBitmap,
|
|
const SalBitmap& rAlphaBmp )
|
|
{
|
|
// An image mask can't have a depth > 8 bits (should be 1 to 8 bits)
|
|
if( rAlphaBmp.GetBitCount() > 8 )
|
|
{
|
|
return false;
|
|
}
|
|
// are these two tests really necessary? (see vcl/unx/source/gdi/salgdi2.cxx)
|
|
// horizontal/vertical mirroring not implemented yet
|
|
if( rTR.mnDestWidth < 0 || rTR.mnDestHeight < 0 )
|
|
{
|
|
return false;
|
|
}
|
|
|
|
const IosSalBitmap& rSrcSalBmp = static_cast<const IosSalBitmap&>(rSrcBitmap);
|
|
const IosSalBitmap& rMaskSalBmp = static_cast<const IosSalBitmap&>(rAlphaBmp);
|
|
CGImageRef xMaskedImage = rSrcSalBmp.CreateWithMask( rMaskSalBmp, rTR.mnSrcX,
|
|
rTR.mnSrcY, rTR.mnSrcWidth,
|
|
rTR.mnSrcHeight );
|
|
if( !xMaskedImage )
|
|
{
|
|
return false;
|
|
}
|
|
if ( CheckContext() )
|
|
{
|
|
const CGRect aDstRect = {{rTR.mnDestX, rTR.mnDestY}, {rTR.mnDestWidth, rTR.mnDestHeight}};
|
|
CGContextDrawImage( mrContext, aDstRect, xMaskedImage );
|
|
RefreshRect( aDstRect );
|
|
}
|
|
|
|
CGImageRelease(xMaskedImage);
|
|
return true;
|
|
}
|
|
|
|
bool IosSalGraphics::drawAlphaRect( long nX, long nY, long nWidth,
|
|
long nHeight, sal_uInt8 nTransparency )
|
|
{
|
|
if( !CheckContext() )
|
|
{
|
|
return true;
|
|
}
|
|
// save the current state
|
|
CGContextSaveGState( mrContext );
|
|
CGContextSetAlpha( mrContext, (100-nTransparency) * (1.0/100) );
|
|
|
|
CGRect aRect = {{nX,nY},{nWidth-1,nHeight-1}};
|
|
if( IsPenVisible() )
|
|
{
|
|
aRect.origin.x += 0.5;
|
|
aRect.origin.y += 0.5;
|
|
}
|
|
|
|
CGContextBeginPath( mrContext );
|
|
CGContextAddRect( mrContext, aRect );
|
|
CGContextDrawPath( mrContext, kCGPathFill );
|
|
|
|
// restore state
|
|
CGContextRestoreGState(mrContext);
|
|
RefreshRect( aRect );
|
|
return true;
|
|
}
|
|
|
|
void IosSalGraphics::drawBitmap( const SalTwoRect* pPosAry, const SalBitmap& rSalBitmap )
|
|
{
|
|
if( !CheckContext() )
|
|
{
|
|
return;
|
|
}
|
|
const IosSalBitmap& rBitmap = static_cast<const IosSalBitmap&>(rSalBitmap);
|
|
CGImageRef xImage = rBitmap.CreateCroppedImage( (int)pPosAry->mnSrcX, (int)pPosAry->mnSrcY,
|
|
(int)pPosAry->mnSrcWidth, (int)pPosAry->mnSrcHeight );
|
|
if( !xImage )
|
|
{
|
|
return;
|
|
}
|
|
const CGRect aDstRect = {{pPosAry->mnDestX, pPosAry->mnDestY},
|
|
{pPosAry->mnDestWidth, pPosAry->mnDestHeight}};
|
|
CGContextDrawImage( mrContext, aDstRect, xImage );
|
|
CGImageRelease( xImage );
|
|
RefreshRect( aDstRect );
|
|
}
|
|
|
|
void IosSalGraphics::drawBitmap( const SalTwoRect* pPosAry, const SalBitmap& rSalBitmap,SalColor )
|
|
{
|
|
OSL_FAIL("not implemented for color masking!");
|
|
drawBitmap( pPosAry, rSalBitmap );
|
|
}
|
|
|
|
void IosSalGraphics::drawBitmap( const SalTwoRect* pPosAry, const SalBitmap& rSalBitmap,
|
|
const SalBitmap& rTransparentBitmap )
|
|
{
|
|
if( !CheckContext() )
|
|
{
|
|
return;
|
|
}
|
|
const IosSalBitmap& rBitmap = static_cast<const IosSalBitmap&>(rSalBitmap);
|
|
const IosSalBitmap& rMask = static_cast<const IosSalBitmap&>(rTransparentBitmap);
|
|
CGImageRef xMaskedImage( rBitmap.CreateWithMask( rMask, pPosAry->mnSrcX, pPosAry->mnSrcY,
|
|
pPosAry->mnSrcWidth, pPosAry->mnSrcHeight ) );
|
|
if( !xMaskedImage )
|
|
{
|
|
return;
|
|
}
|
|
const CGRect aDstRect = {{pPosAry->mnDestX, pPosAry->mnDestY},
|
|
{pPosAry->mnDestWidth, pPosAry->mnDestHeight}};
|
|
CGContextDrawImage( mrContext, aDstRect, xMaskedImage );
|
|
CGImageRelease( xMaskedImage );
|
|
RefreshRect( aDstRect );
|
|
}
|
|
|
|
sal_Bool IosSalGraphics::drawEPS( long /*nX*/, long /*nY*/, long /*nWidth*/, long /*nHeight*/,
|
|
void* /*pEpsData*/, sal_uLong /*nByteCount*/ )
|
|
{
|
|
return sal_False;
|
|
}
|
|
|
|
void IosSalGraphics::drawLine( long nX1, long nY1, long nX2, long nY2 )
|
|
{
|
|
if( nX1 == nX2 && nY1 == nY2 )
|
|
{
|
|
// #i109453# platform independent code expects at least one pixel to be drawn
|
|
drawPixel( nX1, nY1 );
|
|
return;
|
|
}
|
|
|
|
if( !CheckContext() )
|
|
{
|
|
return;
|
|
}
|
|
CGContextBeginPath( mrContext );
|
|
CGContextMoveToPoint( mrContext, static_cast<float>(nX1)+0.5, static_cast<float>(nY1)+0.5 );
|
|
CGContextAddLineToPoint( mrContext, static_cast<float>(nX2)+0.5, static_cast<float>(nY2)+0.5 );
|
|
CGContextDrawPath( mrContext, kCGPathStroke );
|
|
|
|
Rectangle aRefreshRect( nX1, nY1, nX2, nY2 );
|
|
}
|
|
|
|
void IosSalGraphics::drawMask( const SalTwoRect* pPosAry,
|
|
const SalBitmap& rSalBitmap,
|
|
SalColor nMaskColor )
|
|
{
|
|
if( !CheckContext() )
|
|
{
|
|
return;
|
|
}
|
|
const IosSalBitmap& rBitmap = static_cast<const IosSalBitmap&>(rSalBitmap);
|
|
CGImageRef xImage = rBitmap.CreateColorMask( pPosAry->mnSrcX, pPosAry->mnSrcY,
|
|
pPosAry->mnSrcWidth, pPosAry->mnSrcHeight,
|
|
nMaskColor );
|
|
if( !xImage )
|
|
{
|
|
return;
|
|
}
|
|
const CGRect aDstRect = {{pPosAry->mnDestX, pPosAry->mnDestY},
|
|
{pPosAry->mnDestWidth, pPosAry->mnDestHeight}};
|
|
CGContextDrawImage( mrContext, aDstRect, xImage );
|
|
CGImageRelease( xImage );
|
|
RefreshRect( aDstRect );
|
|
}
|
|
|
|
void IosSalGraphics::drawPixel( long nX, long nY )
|
|
{
|
|
// draw pixel with current line color
|
|
ImplDrawPixel( nX, nY, maLineColor );
|
|
}
|
|
|
|
void IosSalGraphics::drawPixel( long nX, long nY, SalColor nSalColor )
|
|
{
|
|
const RGBAColor aPixelColor( nSalColor );
|
|
ImplDrawPixel( nX, nY, aPixelColor );
|
|
}
|
|
|
|
bool IosSalGraphics::drawPolyLine( const ::basegfx::B2DPolygon& rPolyLine,
|
|
double fTransparency,
|
|
const ::basegfx::B2DVector& rLineWidths,
|
|
basegfx::B2DLineJoin eLineJoin )
|
|
{
|
|
// short circuit if there is nothing to do
|
|
const int nPointCount = rPolyLine.count();
|
|
if( nPointCount <= 0 )
|
|
{
|
|
return true;
|
|
}
|
|
// reject requests that cannot be handled yet
|
|
if( rLineWidths.getX() != rLineWidths.getY() )
|
|
{
|
|
return false;
|
|
}
|
|
// #i101491# Ios does not support B2DLINEJOIN_NONE; return false to use
|
|
// the fallback (own geometry preparation)
|
|
// #i104886# linejoin-mode and thus the above only applies to "fat" lines
|
|
if( (basegfx::B2DLINEJOIN_NONE == eLineJoin) &&
|
|
(rLineWidths.getX() > 1.3) )
|
|
{
|
|
return false;
|
|
}
|
|
// setup line attributes
|
|
CGLineJoin aCGLineJoin = kCGLineJoinMiter;
|
|
switch( eLineJoin )
|
|
{
|
|
case ::basegfx::B2DLINEJOIN_NONE: aCGLineJoin = /*TODO?*/kCGLineJoinMiter; break;
|
|
case ::basegfx::B2DLINEJOIN_MIDDLE: aCGLineJoin = /*TODO?*/kCGLineJoinMiter; break;
|
|
case ::basegfx::B2DLINEJOIN_BEVEL: aCGLineJoin = kCGLineJoinBevel; break;
|
|
case ::basegfx::B2DLINEJOIN_MITER: aCGLineJoin = kCGLineJoinMiter; break;
|
|
case ::basegfx::B2DLINEJOIN_ROUND: aCGLineJoin = kCGLineJoinRound; break;
|
|
}
|
|
|
|
// setup poly-polygon path
|
|
CGMutablePathRef xPath = CGPathCreateMutable();
|
|
AddPolygonToPath( xPath, rPolyLine, rPolyLine.isClosed(), !getAntiAliasB2DDraw(), true );
|
|
|
|
const CGRect aRefreshRect = CGPathGetBoundingBox( xPath );
|
|
#ifndef NO_I97317_WORKAROUND
|
|
// #i97317# workaround for Quartz having problems with drawing small polygons
|
|
if( ! ((aRefreshRect.size.width <= 0.125) && (aRefreshRect.size.height <= 0.125)) )
|
|
#endif
|
|
{
|
|
// use the path to prepare the graphics context
|
|
CGContextSaveGState( mrContext );
|
|
CGContextAddPath( mrContext, xPath );
|
|
// draw path with antialiased line
|
|
CGContextSetShouldAntialias( mrContext, true );
|
|
CGContextSetAlpha( mrContext, 1.0 - fTransparency );
|
|
CGContextSetLineJoin( mrContext, aCGLineJoin );
|
|
CGContextSetLineWidth( mrContext, rLineWidths.getX() );
|
|
CGContextDrawPath( mrContext, kCGPathStroke );
|
|
CGContextRestoreGState( mrContext );
|
|
|
|
// mark modified rectangle as updated
|
|
RefreshRect( aRefreshRect );
|
|
}
|
|
|
|
CGPathRelease( xPath );
|
|
|
|
return true;
|
|
}
|
|
|
|
sal_Bool IosSalGraphics::drawPolyLineBezier( sal_uLong, const SalPoint*, const sal_uInt8* )
|
|
{
|
|
return sal_False;
|
|
}
|
|
|
|
bool IosSalGraphics::drawPolyPolygon( const ::basegfx::B2DPolyPolygon& rPolyPoly,
|
|
double fTransparency )
|
|
{
|
|
// short circuit if there is nothing to do
|
|
const int nPolyCount = rPolyPoly.count();
|
|
if( nPolyCount <= 0 )
|
|
{
|
|
return true;
|
|
}
|
|
// ignore invisible polygons
|
|
if( (fTransparency >= 1.0) || (fTransparency < 0) )
|
|
{
|
|
return true;
|
|
}
|
|
// setup poly-polygon path
|
|
CGMutablePathRef xPath = CGPathCreateMutable();
|
|
for( int nPolyIdx = 0; nPolyIdx < nPolyCount; ++nPolyIdx )
|
|
{
|
|
const ::basegfx::B2DPolygon rPolygon = rPolyPoly.getB2DPolygon( nPolyIdx );
|
|
AddPolygonToPath( xPath, rPolygon, true, !getAntiAliasB2DDraw(), IsPenVisible() );
|
|
}
|
|
|
|
const CGRect aRefreshRect = CGPathGetBoundingBox( xPath );
|
|
#ifndef NO_I97317_WORKAROUND
|
|
// #i97317# workaround for Quartz having problems with drawing small polygons
|
|
if( ! ((aRefreshRect.size.width <= 0.125) && (aRefreshRect.size.height <= 0.125)) )
|
|
#endif
|
|
{
|
|
// use the path to prepare the graphics context
|
|
CGContextSaveGState( mrContext );
|
|
CGContextBeginPath( mrContext );
|
|
CGContextAddPath( mrContext, xPath );
|
|
|
|
// draw path with antialiased polygon
|
|
CGContextSetShouldAntialias( mrContext, true );
|
|
CGContextSetAlpha( mrContext, 1.0 - fTransparency );
|
|
CGContextDrawPath( mrContext, kCGPathEOFillStroke );
|
|
CGContextRestoreGState( mrContext );
|
|
|
|
// mark modified rectangle as updated
|
|
RefreshRect( aRefreshRect );
|
|
}
|
|
|
|
CGPathRelease( xPath );
|
|
|
|
return true;
|
|
}
|
|
|
|
void IosSalGraphics::drawPolyPolygon( sal_uLong nPolyCount, const sal_uLong *pPoints, PCONSTSALPOINT *ppPtAry )
|
|
{
|
|
if( nPolyCount <= 0 )
|
|
return;
|
|
if( !CheckContext() )
|
|
return;
|
|
|
|
// find bound rect
|
|
long leftX = 0, topY = 0, maxWidth = 0, maxHeight = 0;
|
|
getBoundRect( pPoints[0], ppPtAry[0], leftX, topY, maxWidth, maxHeight );
|
|
for( sal_uLong n = 1; n < nPolyCount; n++ )
|
|
{
|
|
long nX = leftX, nY = topY, nW = maxWidth, nH = maxHeight;
|
|
getBoundRect( pPoints[n], ppPtAry[n], nX, nY, nW, nH );
|
|
if( nX < leftX )
|
|
{
|
|
maxWidth += leftX - nX;
|
|
leftX = nX;
|
|
}
|
|
if( nY < topY )
|
|
{
|
|
maxHeight += topY - nY;
|
|
topY = nY;
|
|
}
|
|
if( nX + nW > leftX + maxWidth )
|
|
{
|
|
maxWidth = nX + nW - leftX;
|
|
}
|
|
if( nY + nH > topY + maxHeight )
|
|
{
|
|
maxHeight = nY + nH - topY;
|
|
}
|
|
}
|
|
|
|
// prepare drawing mode
|
|
CGPathDrawingMode eMode;
|
|
if( IsBrushVisible() && IsPenVisible() )
|
|
{
|
|
eMode = kCGPathEOFillStroke;
|
|
}
|
|
else if( IsPenVisible() )
|
|
{
|
|
eMode = kCGPathStroke;
|
|
}
|
|
else if( IsBrushVisible() )
|
|
{
|
|
eMode = kCGPathEOFill;
|
|
}
|
|
else
|
|
{
|
|
return;
|
|
}
|
|
// convert to CGPath
|
|
CGContextBeginPath( mrContext );
|
|
if( IsPenVisible() )
|
|
{
|
|
for( sal_uLong nPoly = 0; nPoly < nPolyCount; nPoly++ )
|
|
{
|
|
const sal_uLong nPoints = pPoints[nPoly];
|
|
if( nPoints > 1 )
|
|
{
|
|
const SalPoint *pPtAry = ppPtAry[nPoly];
|
|
float fX, fY;
|
|
alignLinePoint( pPtAry, fX, fY );
|
|
CGContextMoveToPoint( mrContext, fX, fY );
|
|
pPtAry++;
|
|
for( sal_uLong nPoint = 1; nPoint < nPoints; nPoint++, pPtAry++ )
|
|
{
|
|
alignLinePoint( pPtAry, fX, fY );
|
|
CGContextAddLineToPoint( mrContext, fX, fY );
|
|
}
|
|
CGContextClosePath(mrContext);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for( sal_uLong nPoly = 0; nPoly < nPolyCount; nPoly++ )
|
|
{
|
|
const sal_uLong nPoints = pPoints[nPoly];
|
|
if( nPoints > 1 )
|
|
{
|
|
const SalPoint *pPtAry = ppPtAry[nPoly];
|
|
CGContextMoveToPoint( mrContext, pPtAry->mnX, pPtAry->mnY );
|
|
pPtAry++;
|
|
for( sal_uLong nPoint = 1; nPoint < nPoints; nPoint++, pPtAry++ )
|
|
{
|
|
CGContextAddLineToPoint( mrContext, pPtAry->mnX, pPtAry->mnY );
|
|
}
|
|
CGContextClosePath(mrContext);
|
|
}
|
|
}
|
|
}
|
|
|
|
CGContextDrawPath( mrContext, eMode );
|
|
|
|
RefreshRect( leftX, topY, maxWidth, maxHeight );
|
|
}
|
|
|
|
void IosSalGraphics::drawPolygon( sal_uLong nPoints, const SalPoint *pPtAry )
|
|
{
|
|
if( nPoints <= 1 )
|
|
return;
|
|
if( !CheckContext() )
|
|
return;
|
|
|
|
long nX = 0, nY = 0, nWidth = 0, nHeight = 0;
|
|
getBoundRect( nPoints, pPtAry, nX, nY, nWidth, nHeight );
|
|
|
|
CGPathDrawingMode eMode;
|
|
if( IsBrushVisible() && IsPenVisible() )
|
|
{
|
|
eMode = kCGPathEOFillStroke;
|
|
}
|
|
else if( IsPenVisible() )
|
|
{
|
|
eMode = kCGPathStroke;
|
|
}
|
|
else if( IsBrushVisible() )
|
|
{
|
|
eMode = kCGPathEOFill;
|
|
}
|
|
else
|
|
{
|
|
return;
|
|
}
|
|
CGContextBeginPath( mrContext );
|
|
|
|
if( IsPenVisible() )
|
|
{
|
|
float fX, fY;
|
|
alignLinePoint( pPtAry, fX, fY );
|
|
CGContextMoveToPoint( mrContext, fX, fY );
|
|
pPtAry++;
|
|
for( sal_uLong nPoint = 1; nPoint < nPoints; nPoint++, pPtAry++ )
|
|
{
|
|
alignLinePoint( pPtAry, fX, fY );
|
|
CGContextAddLineToPoint( mrContext, fX, fY );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
CGContextMoveToPoint( mrContext, pPtAry->mnX, pPtAry->mnY );
|
|
pPtAry++;
|
|
for( sal_uLong nPoint = 1; nPoint < nPoints; nPoint++, pPtAry++ )
|
|
{
|
|
CGContextAddLineToPoint( mrContext, pPtAry->mnX, pPtAry->mnY );
|
|
}
|
|
}
|
|
|
|
CGContextDrawPath( mrContext, eMode );
|
|
RefreshRect( nX, nY, nWidth, nHeight );
|
|
}
|
|
|
|
sal_Bool IosSalGraphics::drawPolygonBezier( sal_uLong, const SalPoint*, const sal_uInt8* )
|
|
{
|
|
return sal_False;
|
|
}
|
|
|
|
sal_Bool IosSalGraphics::drawPolyPolygonBezier( sal_uLong, const sal_uLong*,
|
|
const SalPoint* const*, const sal_uInt8* const* )
|
|
{
|
|
return sal_False;
|
|
}
|
|
|
|
void IosSalGraphics::drawRect( long nX, long nY, long nWidth, long nHeight )
|
|
{
|
|
if( !CheckContext() )
|
|
{
|
|
return;
|
|
}
|
|
CGRect aRect( CGRectMake(nX, nY, nWidth, nHeight) );
|
|
if( IsPenVisible() )
|
|
{
|
|
aRect.origin.x += 0.5;
|
|
aRect.origin.y += 0.5;
|
|
aRect.size.width -= 1;
|
|
aRect.size.height -= 1;
|
|
}
|
|
|
|
if( IsBrushVisible() )
|
|
{
|
|
CGContextFillRect( mrContext, aRect );
|
|
}
|
|
if( IsPenVisible() )
|
|
{
|
|
CGContextStrokeRect( mrContext, aRect );
|
|
}
|
|
RefreshRect( nX, nY, nWidth, nHeight );
|
|
}
|
|
|
|
|
|
void IosSalGraphics::drawPolyLine( sal_uLong nPoints, const SalPoint *pPtAry )
|
|
{
|
|
if( nPoints < 1 )
|
|
{
|
|
return;
|
|
}
|
|
if( !CheckContext() )
|
|
{
|
|
return;
|
|
}
|
|
|
|
long nX = 0, nY = 0, nWidth = 0, nHeight = 0;
|
|
getBoundRect( nPoints, pPtAry, nX, nY, nWidth, nHeight );
|
|
|
|
float fX, fY;
|
|
CGContextBeginPath( mrContext );
|
|
alignLinePoint( pPtAry, fX, fY );
|
|
CGContextMoveToPoint( mrContext, fX, fY );
|
|
pPtAry++;
|
|
for( sal_uLong nPoint = 1; nPoint < nPoints; nPoint++, pPtAry++ )
|
|
{
|
|
alignLinePoint( pPtAry, fX, fY );
|
|
CGContextAddLineToPoint( mrContext, fX, fY );
|
|
}
|
|
CGContextDrawPath( mrContext, kCGPathStroke );
|
|
|
|
RefreshRect( nX, nY, nWidth, nHeight );
|
|
}
|
|
|
|
sal_uInt16 IosSalGraphics::GetBitCount() const
|
|
{
|
|
sal_uInt16 nBits = mnBitmapDepth ? mnBitmapDepth : 32;//24;
|
|
return nBits;
|
|
}
|
|
|
|
SalBitmap* IosSalGraphics::getBitmap( long nX, long nY, long nDX, long nDY )
|
|
{
|
|
DBG_ASSERT( mxLayer, "IosSalGraphics::getBitmap() with no layer" );
|
|
|
|
ApplyXorContext();
|
|
|
|
IosSalBitmap* pBitmap = new IosSalBitmap;
|
|
if( !pBitmap->Create( mxLayer, mnBitmapDepth, nX, nY, nDX, nDY, !mbWindow ) )
|
|
{
|
|
delete pBitmap;
|
|
pBitmap = NULL;
|
|
}
|
|
|
|
return pBitmap;
|
|
}
|
|
|
|
SystemGraphicsData IosSalGraphics::GetGraphicsData() const
|
|
{
|
|
SystemGraphicsData aRes;
|
|
aRes.nSize = sizeof(aRes);
|
|
aRes.rCGContext = mrContext;
|
|
return aRes;
|
|
}
|
|
|
|
long IosSalGraphics::GetGraphicsWidth() const
|
|
{
|
|
long w = 0;
|
|
if( mrContext && (mbWindow || mbVirDev) )
|
|
{
|
|
w = mnWidth;
|
|
}
|
|
|
|
if( w == 0 )
|
|
{
|
|
if( mbWindow && mpFrame )
|
|
{
|
|
w = mpFrame->maGeometry.nWidth;
|
|
}
|
|
}
|
|
return w;
|
|
}
|
|
|
|
SalColor IosSalGraphics::getPixel( long nX, long nY )
|
|
{
|
|
// return default value on printers or when out of bounds
|
|
if( !mxLayer || (nX < 0) || (nX >= mnWidth) ||
|
|
(nY < 0) || (nY >= mnHeight))
|
|
{
|
|
return COL_BLACK;
|
|
}
|
|
// prepare creation of matching a CGBitmapContext
|
|
CGColorSpaceRef aCGColorSpace = GetSalData()->mxRGBSpace;
|
|
CGBitmapInfo aCGBmpInfo = kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Big;
|
|
#if __BIG_ENDIAN__
|
|
struct{ unsigned char b, g, r, a; } aPixel;
|
|
#else
|
|
struct{ unsigned char a, r, g, b; } aPixel;
|
|
#endif
|
|
|
|
// create a one-pixel bitmap context
|
|
// TODO: is it worth to cache it?
|
|
CGContextRef xOnePixelContext =
|
|
::CGBitmapContextCreate( &aPixel, 1, 1, 8, sizeof(aPixel),
|
|
aCGColorSpace, aCGBmpInfo );
|
|
|
|
// update this graphics layer
|
|
ApplyXorContext();
|
|
|
|
// copy the requested pixel into the bitmap context
|
|
if( IsFlipped() )
|
|
{
|
|
nY = mnHeight - nY;
|
|
}
|
|
const CGPoint aCGPoint = {-nX, -nY};
|
|
CGContextDrawLayerAtPoint( xOnePixelContext, aCGPoint, mxLayer );
|
|
CGContextRelease( xOnePixelContext );
|
|
|
|
SalColor nSalColor = MAKE_SALCOLOR( aPixel.r, aPixel.g, aPixel.b );
|
|
return nSalColor;
|
|
}
|
|
|
|
void IosSalGraphics::GetResolution( long& rDPIX, long& rDPIY )
|
|
{
|
|
if( !mnRealDPIY )
|
|
{
|
|
initResolution( (mbWindow && mpFrame) ? mpFrame->mpWindow : nil );
|
|
}
|
|
|
|
rDPIX = static_cast<long>(mfFakeDPIScale * mnRealDPIX);
|
|
rDPIY = static_cast<long>(mfFakeDPIScale * mnRealDPIY);
|
|
}
|
|
|
|
void IosSalGraphics::ImplDrawPixel( long nX, long nY, const RGBAColor& rColor )
|
|
{
|
|
if( !CheckContext() )
|
|
{
|
|
return;
|
|
}
|
|
// overwrite the fill color
|
|
CGContextSetFillColor( mrContext, rColor.AsArray() );
|
|
// draw 1x1 rect, there is no pixel drawing in Quartz
|
|
CGRect aDstRect = {{nX,nY,},{1,1}};
|
|
CGContextFillRect( mrContext, aDstRect );
|
|
RefreshRect( aDstRect );
|
|
// reset the fill color
|
|
CGContextSetFillColor( mrContext, maFillColor.AsArray() );
|
|
}
|
|
|
|
void IosSalGraphics::initResolution( UIWindow* )
|
|
{
|
|
// #i100617# read DPI only once; there is some kind of weird caching going on
|
|
// if the main screen changes
|
|
// FIXME: this is really unfortunate and needs to be investigated
|
|
|
|
SalData* pSalData = GetSalData();
|
|
if( pSalData->mnDPIX == 0 || pSalData->mnDPIY == 0 )
|
|
{
|
|
UIScreen* pScreen = [UIScreen mainScreen];
|
|
|
|
mnRealDPIX = mnRealDPIY = 160;
|
|
if( pScreen )
|
|
{
|
|
mnRealDPIX *= [pScreen scale];
|
|
mnRealDPIY *= [pScreen scale];
|
|
}
|
|
else
|
|
{
|
|
OSL_FAIL( "no screen found" );
|
|
}
|
|
|
|
pSalData->mnDPIX = mnRealDPIX;
|
|
pSalData->mnDPIY = mnRealDPIY;
|
|
}
|
|
else
|
|
{
|
|
mnRealDPIX = pSalData->mnDPIX;
|
|
mnRealDPIY = pSalData->mnDPIY;
|
|
}
|
|
|
|
mfFakeDPIScale = 1.0;
|
|
}
|
|
|
|
void IosSalGraphics::invert( long nX, long nY, long nWidth, long nHeight, SalInvert nFlags )
|
|
{
|
|
if ( CheckContext() )
|
|
{
|
|
CGRect aCGRect = CGRectMake( nX, nY, nWidth, nHeight);
|
|
CGContextSaveGState(mrContext);
|
|
|
|
if ( nFlags & SAL_INVERT_TRACKFRAME )
|
|
{
|
|
const float dashLengths[2] = { 4.0, 4.0 }; // for drawing dashed line
|
|
CGContextSetBlendMode( mrContext, kCGBlendModeDifference );
|
|
CGContextSetRGBStrokeColor ( mrContext, 1.0, 1.0, 1.0, 1.0 );
|
|
CGContextSetLineDash ( mrContext, 0, dashLengths, 2 );
|
|
CGContextSetLineWidth( mrContext, 2.0);
|
|
CGContextStrokeRect ( mrContext, aCGRect );
|
|
}
|
|
else if ( nFlags & SAL_INVERT_50 )
|
|
{
|
|
//CGContextSetAllowsAntialiasing( mrContext, false );
|
|
CGContextSetBlendMode(mrContext, kCGBlendModeDifference);
|
|
CGContextAddRect( mrContext, aCGRect );
|
|
Pattern50Fill();
|
|
}
|
|
else // just invert
|
|
{
|
|
CGContextSetBlendMode(mrContext, kCGBlendModeDifference);
|
|
CGContextSetRGBFillColor ( mrContext,1.0, 1.0, 1.0 , 1.0 );
|
|
CGContextFillRect ( mrContext, aCGRect );
|
|
}
|
|
CGContextRestoreGState( mrContext);
|
|
RefreshRect( aCGRect );
|
|
}
|
|
}
|
|
|
|
void IosSalGraphics::invert( sal_uLong nPoints, const SalPoint* pPtAry, SalInvert nSalFlags )
|
|
{
|
|
CGPoint* CGpoints ;
|
|
if ( CheckContext() )
|
|
{
|
|
CGContextSaveGState(mrContext);
|
|
CGpoints = makeCGptArray(nPoints,pPtAry);
|
|
CGContextAddLines ( mrContext, CGpoints, nPoints );
|
|
if ( nSalFlags & SAL_INVERT_TRACKFRAME )
|
|
{
|
|
const float dashLengths[2] = { 4.0, 4.0 }; // for drawing dashed line
|
|
CGContextSetBlendMode( mrContext, kCGBlendModeDifference );
|
|
CGContextSetRGBStrokeColor ( mrContext, 1.0, 1.0, 1.0, 1.0 );
|
|
CGContextSetLineDash ( mrContext, 0, dashLengths, 2 );
|
|
CGContextSetLineWidth( mrContext, 2.0);
|
|
CGContextStrokePath ( mrContext );
|
|
}
|
|
else if ( nSalFlags & SAL_INVERT_50 )
|
|
{
|
|
CGContextSetBlendMode(mrContext, kCGBlendModeDifference);
|
|
Pattern50Fill();
|
|
}
|
|
else // just invert
|
|
{
|
|
CGContextSetBlendMode( mrContext, kCGBlendModeDifference );
|
|
CGContextSetRGBFillColor( mrContext, 1.0, 1.0, 1.0, 1.0 );
|
|
CGContextFillPath( mrContext );
|
|
}
|
|
const CGRect aRefreshRect = CGContextGetClipBoundingBox(mrContext);
|
|
CGContextRestoreGState( mrContext);
|
|
delete [] CGpoints;
|
|
RefreshRect( aRefreshRect );
|
|
}
|
|
}
|
|
|
|
void IosSalGraphics::Pattern50Fill()
|
|
{
|
|
static const float aFillCol[4] = { 1,1,1,1 };
|
|
static const CGPatternCallbacks aCallback = { 0, &DrawPattern50, NULL };
|
|
if( ! GetSalData()->mxP50Space )
|
|
{
|
|
GetSalData()->mxP50Space = CGColorSpaceCreatePattern( GetSalData()->mxRGBSpace );
|
|
}
|
|
if( ! GetSalData()->mxP50Pattern )
|
|
{
|
|
GetSalData()->mxP50Pattern = CGPatternCreate( NULL, CGRectMake( 0, 0, 4, 4 ),
|
|
CGAffineTransformIdentity, 4, 4,
|
|
kCGPatternTilingConstantSpacing,
|
|
false, &aCallback );
|
|
}
|
|
CGContextSetFillColorSpace( mrContext, GetSalData()->mxP50Space );
|
|
CGContextSetFillPattern( mrContext, GetSalData()->mxP50Pattern, aFillCol );
|
|
CGContextFillPath( mrContext );
|
|
}
|
|
|
|
|
|
void IosSalGraphics::ResetClipRegion()
|
|
{
|
|
// release old path and indicate no clipping
|
|
if( mxClipPath )
|
|
{
|
|
CGPathRelease( mxClipPath );
|
|
mxClipPath = NULL;
|
|
}
|
|
if( CheckContext() )
|
|
{
|
|
SetState();
|
|
}
|
|
}
|
|
|
|
void IosSalGraphics::SetLineColor()
|
|
{
|
|
maLineColor.SetAlpha( 0.0 ); // transparent
|
|
if( CheckContext() )
|
|
{
|
|
CGContextSetStrokeColor( mrContext, maLineColor.AsArray() );
|
|
}
|
|
}
|
|
|
|
void IosSalGraphics::SetLineColor( SalColor nSalColor )
|
|
{
|
|
maLineColor = RGBAColor( nSalColor );
|
|
if( CheckContext() )
|
|
{
|
|
CGContextSetStrokeColor( mrContext, maLineColor.AsArray() );
|
|
}
|
|
}
|
|
|
|
void IosSalGraphics::SetFillColor()
|
|
{
|
|
maFillColor.SetAlpha( 0.0 ); // transparent
|
|
if( CheckContext() )
|
|
{
|
|
CGContextSetFillColor( mrContext, maFillColor.AsArray() );
|
|
}
|
|
}
|
|
|
|
void IosSalGraphics::SetFillColor( SalColor nSalColor )
|
|
{
|
|
maFillColor = RGBAColor( nSalColor );
|
|
if( CheckContext() )
|
|
{
|
|
CGContextSetFillColor( mrContext, maFillColor.AsArray() );
|
|
}
|
|
}
|
|
|
|
bool IosSalGraphics::supportsOperation( OutDevSupportType eType ) const
|
|
{
|
|
bool bRet = false;
|
|
switch( eType )
|
|
{
|
|
case OutDevSupport_TransparentRect:
|
|
case OutDevSupport_B2DClip:
|
|
case OutDevSupport_B2DDraw:
|
|
bRet = true;
|
|
break;
|
|
default: break;
|
|
}
|
|
return bRet;
|
|
}
|
|
|
|
bool IosSalGraphics::setClipRegion( const Region& i_rClip )
|
|
{
|
|
// release old clip path
|
|
if( mxClipPath )
|
|
{
|
|
CGPathRelease( mxClipPath );
|
|
mxClipPath = NULL;
|
|
}
|
|
mxClipPath = CGPathCreateMutable();
|
|
|
|
// set current path, either as polypolgon or sequence of rectangles
|
|
if( i_rClip.HasPolyPolygon() )
|
|
{
|
|
basegfx::B2DPolyPolygon aClip( const_cast<Region&>(i_rClip).ConvertToB2DPolyPolygon() );
|
|
AddPolyPolygonToPath( mxClipPath, aClip, !getAntiAliasB2DDraw(), false );
|
|
}
|
|
else
|
|
{
|
|
long nX, nY, nW, nH;
|
|
ImplRegionInfo aInfo;
|
|
bool bRegionRect = i_rClip.ImplGetFirstRect(aInfo, nX, nY, nW, nH );
|
|
while( bRegionRect )
|
|
{
|
|
if( nW && nH )
|
|
{
|
|
CGRect aRect = {{nX,nY}, {nW,nH}};
|
|
CGPathAddRect( mxClipPath, NULL, aRect );
|
|
}
|
|
bRegionRect = i_rClip.ImplGetNextRect( aInfo, nX, nY, nW, nH );
|
|
}
|
|
}
|
|
// set the current path as clip region
|
|
if( CheckContext() )
|
|
{
|
|
SetState();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void IosSalGraphics::SetROPFillColor( SalROPColor nROPColor )
|
|
{
|
|
if( ! mbPrinter )
|
|
SetFillColor( ImplGetROPSalColor( nROPColor ) );
|
|
}
|
|
|
|
void IosSalGraphics::SetROPLineColor( SalROPColor nROPColor )
|
|
{
|
|
if( ! mbPrinter )
|
|
SetLineColor( ImplGetROPSalColor( nROPColor ) );
|
|
}
|
|
|
|
void IosSalGraphics::SetXORMode( bool bSet, bool bInvertOnly )
|
|
{
|
|
// return early if XOR mode remains unchanged
|
|
if( mbPrinter )
|
|
{
|
|
return;
|
|
}
|
|
if( ! bSet && mnXorMode == 2 )
|
|
{
|
|
CGContextSetBlendMode( mrContext, kCGBlendModeNormal );
|
|
mnXorMode = 0;
|
|
return;
|
|
}
|
|
else if( bSet && bInvertOnly && mnXorMode == 0)
|
|
{
|
|
CGContextSetBlendMode( mrContext, kCGBlendModeDifference );
|
|
mnXorMode = 2;
|
|
return;
|
|
}
|
|
|
|
if( (mpXorEmulation == NULL) && !bSet )
|
|
{
|
|
return;
|
|
}
|
|
if( (mpXorEmulation != NULL) && (bSet == mpXorEmulation->IsEnabled()) )
|
|
{
|
|
return;
|
|
}
|
|
if( !CheckContext() )
|
|
{
|
|
return;
|
|
}
|
|
// prepare XOR emulation
|
|
if( !mpXorEmulation )
|
|
{
|
|
mpXorEmulation = new XorEmulation();
|
|
mpXorEmulation->SetTarget( mnWidth, mnHeight, mnBitmapDepth, mrContext, mxLayer );
|
|
}
|
|
|
|
// change the XOR mode
|
|
if( bSet )
|
|
{
|
|
mpXorEmulation->Enable();
|
|
mrContext = mpXorEmulation->GetMaskContext();
|
|
mnXorMode = 1;
|
|
}
|
|
else
|
|
{
|
|
mpXorEmulation->UpdateTarget();
|
|
mpXorEmulation->Disable();
|
|
mrContext = mpXorEmulation->GetTargetContext();
|
|
mnXorMode = 0;
|
|
}
|
|
}
|
|
|
|
void IosSalGraphics::updateResolution()
|
|
{
|
|
DBG_ASSERT( mbWindow, "updateResolution on inappropriate graphics" );
|
|
|
|
initResolution( (mbWindow && mpFrame) ? mpFrame->mpWindow : nil );
|
|
}
|
|
|
|
|
|
// -----------------------------------------------------------
|
|
|
|
XorEmulation::XorEmulation()
|
|
: m_xTargetLayer( NULL )
|
|
, m_xTargetContext( NULL )
|
|
, m_xMaskContext( NULL )
|
|
, m_xTempContext( NULL )
|
|
, m_pMaskBuffer( NULL )
|
|
, m_pTempBuffer( NULL )
|
|
, m_nBufferLongs( 0 )
|
|
, m_bIsEnabled( false )
|
|
{}
|
|
|
|
XorEmulation::~XorEmulation()
|
|
{
|
|
Disable();
|
|
SetTarget( 0, 0, 0, NULL, NULL );
|
|
}
|
|
|
|
void XorEmulation::SetTarget( int nWidth, int nHeight, int nTargetDepth,
|
|
CGContextRef xTargetContext, CGLayerRef xTargetLayer )
|
|
{
|
|
// prepare to replace old mask+temp context
|
|
if( m_xMaskContext )
|
|
{
|
|
// cleanup the mask context
|
|
CGContextRelease( m_xMaskContext );
|
|
delete[] m_pMaskBuffer;
|
|
m_xMaskContext = NULL;
|
|
m_pMaskBuffer = NULL;
|
|
|
|
// cleanup the temp context if needed
|
|
if( m_xTempContext )
|
|
{
|
|
CGContextRelease( m_xTempContext );
|
|
delete[] m_pTempBuffer;
|
|
m_xTempContext = NULL;
|
|
m_pTempBuffer = NULL;
|
|
}
|
|
}
|
|
|
|
// return early if there is nothing more to do
|
|
if( !xTargetContext )
|
|
{
|
|
return;
|
|
}
|
|
// retarget drawing operations to the XOR mask
|
|
m_xTargetLayer = xTargetLayer;
|
|
m_xTargetContext = xTargetContext;
|
|
|
|
// prepare creation of matching CGBitmaps
|
|
CGColorSpaceRef aCGColorSpace = GetSalData()->mxRGBSpace;
|
|
CGBitmapInfo aCGBmpInfo = kCGImageAlphaNoneSkipFirst;
|
|
int nBitDepth = nTargetDepth;
|
|
if( !nBitDepth )
|
|
{
|
|
nBitDepth = 32;
|
|
}
|
|
int nBytesPerRow = (nBitDepth == 16) ? 2 : 4;
|
|
const size_t nBitsPerComponent = (nBitDepth == 16) ? 5 : 8;
|
|
if( nBitDepth <= 8 )
|
|
{
|
|
aCGColorSpace = GetSalData()->mxGraySpace;
|
|
aCGBmpInfo = kCGImageAlphaNone;
|
|
nBytesPerRow = 1;
|
|
}
|
|
nBytesPerRow *= nWidth;
|
|
m_nBufferLongs = (nHeight * nBytesPerRow + sizeof(sal_uLong)-1) / sizeof(sal_uLong);
|
|
|
|
// create a XorMask context
|
|
m_pMaskBuffer = new sal_uLong[ m_nBufferLongs ];
|
|
m_xMaskContext = ::CGBitmapContextCreate( m_pMaskBuffer,
|
|
nWidth, nHeight,
|
|
nBitsPerComponent, nBytesPerRow,
|
|
aCGColorSpace, aCGBmpInfo );
|
|
// reset the XOR mask to black
|
|
memset( m_pMaskBuffer, 0, m_nBufferLongs * sizeof(sal_uLong) );
|
|
|
|
// a bitmap context will be needed for manual XORing
|
|
// create one unless the target context is a bitmap context
|
|
if( nTargetDepth )
|
|
m_pTempBuffer = (sal_uLong*)CGBitmapContextGetData( m_xTargetContext );
|
|
if( !m_pTempBuffer )
|
|
{
|
|
// create a bitmap context matching to the target context
|
|
m_pTempBuffer = new sal_uLong[ m_nBufferLongs ];
|
|
m_xTempContext = ::CGBitmapContextCreate( m_pTempBuffer,
|
|
nWidth, nHeight,
|
|
nBitsPerComponent, nBytesPerRow,
|
|
aCGColorSpace, aCGBmpInfo );
|
|
}
|
|
|
|
// initialize XOR mask context for drawing
|
|
CGContextSetFillColorSpace( m_xMaskContext, aCGColorSpace );
|
|
CGContextSetStrokeColorSpace( m_xMaskContext, aCGColorSpace );
|
|
CGContextSetShouldAntialias( m_xMaskContext, false );
|
|
|
|
// improve the XorMask's XOR emulation a litte
|
|
// NOTE: currently only enabled for monochrome contexts
|
|
if( aCGColorSpace == GetSalData()->mxGraySpace )
|
|
{
|
|
CGContextSetBlendMode( m_xMaskContext, kCGBlendModeDifference );
|
|
}
|
|
// intialize the transformation matrix to the drawing target
|
|
const CGAffineTransform aCTM = CGContextGetCTM( xTargetContext );
|
|
CGContextConcatCTM( m_xMaskContext, aCTM );
|
|
if( m_xTempContext )
|
|
{
|
|
CGContextConcatCTM( m_xTempContext, aCTM );
|
|
}
|
|
// initialize the default XorMask graphics state
|
|
CGContextSaveGState( m_xMaskContext );
|
|
}
|
|
|
|
bool XorEmulation::UpdateTarget()
|
|
{
|
|
if( !IsEnabled() )
|
|
{
|
|
return false;
|
|
}
|
|
// update the temp bitmap buffer if needed
|
|
if( m_xTempContext )
|
|
{
|
|
CGContextDrawLayerAtPoint( m_xTempContext, CGPointZero, m_xTargetLayer );
|
|
}
|
|
// do a manual XOR with the XorMask
|
|
// this approach suffices for simple color manipulations
|
|
// and also the complex-clipping-XOR-trick used in metafiles
|
|
const sal_uLong* pSrc = m_pMaskBuffer;
|
|
sal_uLong* pDst = m_pTempBuffer;
|
|
for( int i = m_nBufferLongs; --i >= 0;)
|
|
{
|
|
*(pDst++) ^= *(pSrc++);
|
|
}
|
|
// write back the XOR results to the target context
|
|
if( m_xTempContext )
|
|
{
|
|
CGImageRef xXorImage = CGBitmapContextCreateImage( m_xTempContext );
|
|
const int nWidth = (int)CGImageGetWidth( xXorImage );
|
|
const int nHeight = (int)CGImageGetHeight( xXorImage );
|
|
// TODO: update minimal changerect
|
|
const CGRect aFullRect = {{0,0},{nWidth,nHeight}};
|
|
CGContextDrawImage( m_xTargetContext, aFullRect, xXorImage );
|
|
CGImageRelease( xXorImage );
|
|
}
|
|
|
|
// reset the XorMask to black again
|
|
// TODO: not needed for last update
|
|
memset( m_pMaskBuffer, 0, m_nBufferLongs * sizeof(sal_uLong) );
|
|
|
|
// TODO: return FALSE if target was not changed
|
|
return true;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|