diff options
Diffstat (limited to 'vcl/unx/generic/print/common_gfx.cxx')
| -rw-r--r-- | vcl/unx/generic/print/common_gfx.cxx | 1152 |
1 files changed, 1152 insertions, 0 deletions
diff --git a/vcl/unx/generic/print/common_gfx.cxx b/vcl/unx/generic/print/common_gfx.cxx new file mode 100644 index 000000000..aba50ece2 --- /dev/null +++ b/vcl/unx/generic/print/common_gfx.cxx @@ -0,0 +1,1152 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <sal/config.h> + +#include "psputil.hxx" +#include "glyphset.hxx" + +#include <unx/printergfx.hxx> +#include <unx/printerjob.hxx> +#include <unx/fontmanager.hxx> +#include <strhelper.hxx> +#include <printerinfomanager.hxx> + +#include <tools/color.hxx> +#include <tools/poly.hxx> +#include <tools/stream.hxx> +#include <o3tl/string_view.hxx> + +using namespace psp ; + +const sal_Int32 nMaxTextColumn = 80; + +GraphicsStatus::GraphicsStatus() : + maEncoding(RTL_TEXTENCODING_DONTKNOW), + mbArtItalic( false ), + mbArtBold( false ), + mnTextHeight( 0 ), + mnTextWidth( 0 ), + mfLineWidth( -1 ) +{ +} + +/* + * non graphics routines + */ + +void +PrinterGfx::Init (PrinterJob &rPrinterJob) +{ + mpPageBody = rPrinterJob.GetCurrentPageBody (); + mnDepth = rPrinterJob.GetDepth (); + mnPSLevel = rPrinterJob.GetPostscriptLevel (); + mbColor = rPrinterJob.IsColorPrinter (); + + mnDpi = rPrinterJob.GetResolution(); + rPrinterJob.GetScale (mfScaleX, mfScaleY); + const PrinterInfo& rInfo( PrinterInfoManager::get().getPrinterInfo( rPrinterJob.GetPrinterName() ) ); + mbUploadPS42Fonts = rInfo.m_pParser && rInfo.m_pParser->isType42Capable(); +} + +void +PrinterGfx::Init (const JobData& rData) +{ + mpPageBody = nullptr; + mnDepth = rData.m_nColorDepth; + mnPSLevel = rData.m_nPSLevel ? rData.m_nPSLevel : (rData.m_pParser ? rData.m_pParser->getLanguageLevel() : 2 ); + mbColor = rData.m_nColorDevice ? ( rData.m_nColorDevice != -1 ) : ( rData.m_pParser == nullptr || rData.m_pParser->isColorDevice() ); + int nRes = rData.m_aContext.getRenderResolution(); + mnDpi = nRes; + mfScaleX = 72.0 / static_cast<double>(mnDpi); + mfScaleY = 72.0 / static_cast<double>(mnDpi); + const PrinterInfo& rInfo( PrinterInfoManager::get().getPrinterInfo( rData.m_aPrinterName ) ); + mbUploadPS42Fonts = rInfo.m_pParser && rInfo.m_pParser->isType42Capable(); +} + + +PrinterGfx::PrinterGfx() + : mfScaleX(0.0) + , mfScaleY(0.0) + , mnDpi(0) + , mnDepth(0) + , mnPSLevel(0) + , mbColor(false) + , mbUploadPS42Fonts(false) + , mpPageBody(nullptr) + , mnFontID(0) + , mnTextAngle(0) + , mbTextVertical(false) + , mrFontMgr(PrintFontManager::get()) + , maFillColor(0xff,0,0) + , maTextColor(0,0,0) + , maLineColor(0, 0xff, 0) +{ + maVirtualStatus.mfLineWidth = 1.0; + maVirtualStatus.mnTextHeight = 12; + maVirtualStatus.mnTextWidth = 0; + + maGraphicsStack.emplace_back( ); +} + +PrinterGfx::~PrinterGfx() +{ +} + +void +PrinterGfx::Clear() +{ + mpPageBody = nullptr; + mnFontID = 0; + maVirtualStatus = GraphicsStatus(); + maVirtualStatus.mnTextHeight = 12; + maVirtualStatus.mnTextWidth = 0; + maVirtualStatus.mfLineWidth = 1.0; + mbTextVertical = false; + maLineColor = PrinterColor(); + maFillColor = PrinterColor(); + maTextColor = PrinterColor(); + mnDpi = 300; + mnDepth = 24; + mnPSLevel = 2; + mbColor = true; + mnTextAngle = 0_deg10; + + maClipRegion.clear(); + maGraphicsStack.clear(); + maGraphicsStack.emplace_back( ); +} + +/* + * clip region handling + */ + +void +PrinterGfx::ResetClipRegion() +{ + maClipRegion.clear(); + PSGRestore (); + PSGSave (); // get "clean" clippath +} + +void +PrinterGfx::BeginSetClipRegion() +{ + maClipRegion.clear(); +} + +void +PrinterGfx::UnionClipRegion (sal_Int32 nX,sal_Int32 nY,sal_Int32 nDX,sal_Int32 nDY) +{ + if( nDX && nDY ) + maClipRegion.emplace_back(Point(nX,nY ), Size(nDX,nDY)); +} + +bool +PrinterGfx::JoinVerticalClipRectangles( std::list< tools::Rectangle >::iterator& it, + Point& rOldPoint, sal_Int32& rColumn ) +{ + bool bSuccess = false; + + std::list< tools::Rectangle >::iterator tempit, nextit; + nextit = it; + ++nextit; + std::list< Point > leftside, rightside; + + tools::Rectangle aLastRect( *it ); + leftside.emplace_back( it->Left(), it->Top() ); + rightside.emplace_back( it->Right()+1, it->Top() ); + while( nextit != maClipRegion.end() ) + { + tempit = nextit; + ++tempit; + if( nextit->Top() == aLastRect.Bottom()+1 ) + { + if( + ( nextit->Left() >= aLastRect.Left() && nextit->Left() <= aLastRect.Right() ) // left endpoint touches last rectangle + || + ( nextit->Right() >= aLastRect.Left() && nextit->Right() <= aLastRect.Right() ) // right endpoint touches last rectangle + || + ( nextit->Left() <= aLastRect.Left() && nextit->Right() >= aLastRect.Right() ) // whole line touches last rectangle + ) + { + if( aLastRect.GetHeight() > 1 || + std::abs( aLastRect.Left() - nextit->Left() ) > 2 || + std::abs( aLastRect.Right() - nextit->Right() ) > 2 + ) + { + leftside.emplace_back( aLastRect.Left(), aLastRect.Bottom()+1 ); + rightside.emplace_back( aLastRect.Right()+1, aLastRect.Bottom()+1 ); + } + aLastRect = *nextit; + leftside.push_back( aLastRect.TopLeft() ); + rightside.push_back( aLastRect.TopRight() ); + maClipRegion.erase( nextit ); + } + } + nextit = tempit; + } + if( leftside.size() > 1 ) + { + // push the last coordinates + leftside.emplace_back( aLastRect.Left(), aLastRect.Bottom()+1 ); + rightside.emplace_back( aLastRect.Right()+1, aLastRect.Bottom()+1 ); + + // cool, we can concatenate rectangles + const int nDX = -65536, nDY = 65536; + int nNewDX = 0, nNewDY = 0; + + Point aLastPoint = leftside.front(); + PSBinMoveTo (aLastPoint, rOldPoint, rColumn); + leftside.pop_front(); + while( !leftside.empty() ) + { + Point aPoint (leftside.front()); + leftside.pop_front(); + // may have been the last one + if( !leftside.empty() ) + { + nNewDX = aPoint.X() - aLastPoint.X(); + nNewDY = aPoint.Y() - aLastPoint.Y(); + if( nNewDX != 0 && + static_cast<double>(nNewDY)/static_cast<double>(nNewDX) == double(nDY)/double(nDX) ) + continue; + } + PSBinLineTo (aPoint, rOldPoint, rColumn); + aLastPoint = aPoint; + } + + aLastPoint = rightside.back(); + PSBinLineTo (aLastPoint, rOldPoint, rColumn); + rightside.pop_back(); + while( !rightside.empty() ) + { + Point aPoint (rightside.back()); + rightside.pop_back(); + if( !rightside.empty() ) + { + nNewDX = aPoint.X() - aLastPoint.X(); + nNewDY = aPoint.Y() - aLastPoint.Y(); + if( nNewDX != 0 && + static_cast<double>(nNewDY)/static_cast<double>(nNewDX) == double(nDY)/double(nDX) ) + continue; + } + PSBinLineTo (aPoint, rOldPoint, rColumn); + } + + tempit = it; + ++tempit; + maClipRegion.erase( it ); + it = tempit; + bSuccess = true; + } + return bSuccess; +} + +void +PrinterGfx::EndSetClipRegion() +{ + PSGRestore (); + PSGSave (); // get "clean" clippath + + PSBinStartPath (); + Point aOldPoint (0, 0); + sal_Int32 nColumn = 0; + + std::list< tools::Rectangle >::iterator it = maClipRegion.begin(); + while( it != maClipRegion.end() ) + { + // try to concatenate adjacent rectangles + // first try in y direction, then in x direction + if( ! JoinVerticalClipRectangles( it, aOldPoint, nColumn ) ) + { + // failed, so it is a single rectangle + PSBinMoveTo (Point( it->Left()-1, it->Top()-1), aOldPoint, nColumn ); + PSBinLineTo (Point( it->Left()-1, it->Bottom()+1 ), aOldPoint, nColumn ); + PSBinLineTo (Point( it->Right()+1, it->Bottom()+1 ), aOldPoint, nColumn ); + PSBinLineTo (Point( it->Right()+1, it->Top()-1 ), aOldPoint, nColumn ); + ++it; + } + } + + PSBinEndPath (); + + WritePS (mpPageBody, "closepath clip newpath\n"); + maClipRegion.clear(); +} + +/* + * draw graphic primitives + */ + +void +PrinterGfx::DrawRect (const tools::Rectangle& rRectangle ) +{ + OStringBuffer pRect; + + psp::getValueOf (rRectangle.Left(), pRect); + psp::appendStr (" ", pRect); + psp::getValueOf (rRectangle.Top(), pRect); + psp::appendStr (" ", pRect); + psp::getValueOf (rRectangle.GetWidth(), pRect); + psp::appendStr (" ", pRect); + psp::getValueOf (rRectangle.GetHeight(), pRect); + psp::appendStr (" ", pRect); + auto const rect = pRect.makeStringAndClear(); + + if( maFillColor.Is() ) + { + PSSetColor (maFillColor); + PSSetColor (); + WritePS (mpPageBody, rect); + WritePS (mpPageBody, "rectfill\n"); + } + if( maLineColor.Is() ) + { + PSSetColor (maLineColor); + PSSetColor (); + PSSetLineWidth (); + WritePS (mpPageBody, rect); + WritePS (mpPageBody, "rectstroke\n"); + } +} + +void +PrinterGfx::DrawLine (const Point& rFrom, const Point& rTo) +{ + if( maLineColor.Is() ) + { + PSSetColor (maLineColor); + PSSetColor (); + PSSetLineWidth (); + + PSMoveTo (rFrom); + PSLineTo (rTo); + WritePS (mpPageBody, "stroke\n" ); + } +} + +void +PrinterGfx::DrawPixel (const Point& rPoint, const PrinterColor& rPixelColor) +{ + if( rPixelColor.Is() ) + { + PSSetColor (rPixelColor); + PSSetColor (); + + PSMoveTo (rPoint); + PSLineTo (Point (rPoint.X ()+1, rPoint.Y ())); + PSLineTo (Point (rPoint.X ()+1, rPoint.Y ()+1)); + PSLineTo (Point (rPoint.X (), rPoint.Y ()+1)); + WritePS (mpPageBody, "fill\n" ); + } +} + +void +PrinterGfx::DrawPolyLine (sal_uInt32 nPoints, const Point* pPath) +{ + if( maLineColor.Is() && nPoints && pPath ) + { + PSSetColor (maLineColor); + PSSetColor (); + PSSetLineWidth (); + + PSBinCurrentPath (nPoints, pPath); + + WritePS (mpPageBody, "stroke\n" ); + } +} + +void +PrinterGfx::DrawPolygon (sal_uInt32 nPoints, const Point* pPath) +{ + // premature end of operation + if (nPoints <= 0 || (pPath == nullptr) || !(maFillColor.Is() || maLineColor.Is())) + return; + + // setup closed path + Point aPoint( 0, 0 ); + sal_Int32 nColumn( 0 ); + + PSBinStartPath(); + PSBinMoveTo( pPath[0], aPoint, nColumn ); + for( unsigned int n = 1; n < nPoints; n++ ) + PSBinLineTo( pPath[n], aPoint, nColumn ); + if( pPath[0] != pPath[nPoints-1] ) + PSBinLineTo( pPath[0], aPoint, nColumn ); + PSBinEndPath(); + + // fill the polygon first, then draw the border, note that fill and + // stroke reset the currentpath + + // if fill and stroke, save the current path + if( maFillColor.Is() && maLineColor.Is()) + PSGSave(); + + if (maFillColor.Is ()) + { + PSSetColor (maFillColor); + PSSetColor (); + WritePS (mpPageBody, "eofill\n"); + } + + // restore the current path + if( maFillColor.Is() && maLineColor.Is()) + PSGRestore(); + + if (maLineColor.Is ()) + { + PSSetColor (maLineColor); + PSSetColor (); + PSSetLineWidth (); + WritePS (mpPageBody, "stroke\n"); + } +} + +void +PrinterGfx::DrawPolyPolygon (sal_uInt32 nPoly, const sal_uInt32* pSizes, const Point** pPaths ) +{ + // sanity check + if ( !nPoly || !pPaths || !(maFillColor.Is() || maLineColor.Is())) + return; + + // setup closed path + for( unsigned int i = 0; i < nPoly; i++ ) + { + Point aPoint( 0, 0 ); + sal_Int32 nColumn( 0 ); + + PSBinStartPath(); + PSBinMoveTo( pPaths[i][0], aPoint, nColumn ); + for( unsigned int n = 1; n < pSizes[i]; n++ ) + PSBinLineTo( pPaths[i][n], aPoint, nColumn ); + if( pPaths[i][0] != pPaths[i][pSizes[i]-1] ) + PSBinLineTo( pPaths[i][0], aPoint, nColumn ); + PSBinEndPath(); + } + + // if eofill and stroke, save the current path + if( maFillColor.Is() && maLineColor.Is()) + PSGSave(); + + // first draw area + if( maFillColor.Is() ) + { + PSSetColor (maFillColor); + PSSetColor (); + WritePS (mpPageBody, "eofill\n"); + } + + // restore the current path + if( maFillColor.Is() && maLineColor.Is()) + PSGRestore(); + + // now draw outlines + if( maLineColor.Is() ) + { + PSSetColor (maLineColor); + PSSetColor (); + PSSetLineWidth (); + WritePS (mpPageBody, "stroke\n"); + } +} + +/* + * Bezier Polygon Drawing methods. + */ + +void +PrinterGfx::DrawPolyLineBezier (sal_uInt32 nPoints, const Point* pPath, const PolyFlags* pFlgAry) +{ + const sal_uInt32 nBezString= 1024; + char pString[nBezString]; + + if ( nPoints <= 1 || !maLineColor.Is() || !pPath ) + return; + + PSSetColor (maLineColor); + PSSetColor (); + PSSetLineWidth (); + + snprintf(pString, nBezString, "%" SAL_PRIdINT64 " %" SAL_PRIdINT64 " moveto\n", sal_Int64(pPath[0].X()), sal_Int64(pPath[0].Y())); + WritePS(mpPageBody, pString); + + // Handle the drawing of mixed lines mixed with curves + // - a normal point followed by a normal point is a line + // - a normal point followed by 2 control points and a normal point is a curve + for (unsigned int i=1; i<nPoints;) + { + if (pFlgAry[i] != PolyFlags::Control) //If the next point is a PolyFlags::Normal, we're drawing a line + { + snprintf(pString, nBezString, "%" SAL_PRIdINT64 " %" SAL_PRIdINT64 " lineto\n", sal_Int64(pPath[i].X()), sal_Int64(pPath[i].Y())); + i++; + } + else //Otherwise we're drawing a spline + { + if (i+2 >= nPoints) + return; //Error: wrong sequence of control/normal points somehow + if ((pFlgAry[i] == PolyFlags::Control) && (pFlgAry[i+1] == PolyFlags::Control) && + (pFlgAry[i+2] != PolyFlags::Control)) + { + snprintf(pString, nBezString, "%" SAL_PRIdINT64 " %" SAL_PRIdINT64 " %" SAL_PRIdINT64 " %" SAL_PRIdINT64 " %" SAL_PRIdINT64 " %" SAL_PRIdINT64 " curveto\n", + sal_Int64(pPath[i].X()), sal_Int64(pPath[i].Y()), + sal_Int64(pPath[i+1].X()), sal_Int64(pPath[i+1].Y()), + sal_Int64(pPath[i+2].X()), sal_Int64(pPath[i+2].Y())); + } + else + { + OSL_FAIL( "PrinterGfx::DrawPolyLineBezier: Strange output" ); + } + i+=3; + } + WritePS(mpPageBody, pString); + } + + // now draw outlines + WritePS (mpPageBody, "stroke\n"); +} + +void +PrinterGfx::DrawPolygonBezier (sal_uInt32 nPoints, const Point* pPath, const PolyFlags* pFlgAry) +{ + const sal_uInt32 nBezString = 1024; + char pString[nBezString]; + // premature end of operation + if (nPoints <= 0 || (pPath == nullptr) || !(maFillColor.Is() || maLineColor.Is())) + return; + + snprintf(pString, nBezString, "%" SAL_PRIdINT64 " %" SAL_PRIdINT64 " moveto\n", sal_Int64(pPath[0].X()), sal_Int64(pPath[0].Y())); + WritePS(mpPageBody, pString); //Move to the starting point for the PolyPolygon + for (unsigned int i=1; i < nPoints;) + { + if (pFlgAry[i] != PolyFlags::Control) + { + snprintf(pString, nBezString, "%" SAL_PRIdINT64 " %" SAL_PRIdINT64 " lineto\n", + sal_Int64(pPath[i].X()), sal_Int64(pPath[i].Y())); + WritePS(mpPageBody, pString); + i++; + } + else + { + if (i+2 >= nPoints) + return; //Error: wrong sequence of control/normal points somehow + if ((pFlgAry[i] == PolyFlags::Control) && (pFlgAry[i+1] == PolyFlags::Control) && + (pFlgAry[i+2] != PolyFlags::Control)) + { + snprintf(pString, nBezString, "%" SAL_PRIdINT64 " %" SAL_PRIdINT64 " %" SAL_PRIdINT64 " %" SAL_PRIdINT64 " %" SAL_PRIdINT64 " %" SAL_PRIdINT64 " curveto\n", + sal_Int64(pPath[i].X()), sal_Int64(pPath[i].Y()), + sal_Int64(pPath[i+1].X()), sal_Int64(pPath[i+1].Y()), + sal_Int64(pPath[i+2].X()), sal_Int64(pPath[i+2].Y())); + WritePS(mpPageBody, pString); + } + else + { + OSL_FAIL( "PrinterGfx::DrawPolygonBezier: Strange output" ); + } + i+=3; + } + } + + // if fill and stroke, save the current path + if( maFillColor.Is() && maLineColor.Is()) + PSGSave(); + + if (maFillColor.Is ()) + { + PSSetColor (maFillColor); + PSSetColor (); + WritePS (mpPageBody, "eofill\n"); + } + + // restore the current path + if( maFillColor.Is() && maLineColor.Is()) + PSGRestore(); +} + +void +PrinterGfx::DrawPolyPolygonBezier (sal_uInt32 nPoly, const sal_uInt32 * pPoints, const Point* const * pPtAry, const PolyFlags* const* pFlgAry) +{ + const sal_uInt32 nBezString = 1024; + char pString[nBezString]; + if ( !nPoly || !pPtAry || !pPoints || !(maFillColor.Is() || maLineColor.Is())) + return; + + for (unsigned int i=0; i<nPoly;i++) + { + sal_uInt32 nPoints = pPoints[i]; + // sanity check + if( nPoints == 0 || pPtAry[i] == nullptr ) + continue; + + snprintf(pString, nBezString, "%" SAL_PRIdINT64 " %" SAL_PRIdINT64 " moveto\n", + sal_Int64(pPtAry[i][0].X()), sal_Int64(pPtAry[i][0].Y())); //Move to the starting point + WritePS(mpPageBody, pString); + for (unsigned int j=1; j < nPoints;) + { + // if no flag array exists for this polygon, then it must be a regular + // polygon without beziers + if ( ! pFlgAry[i] || pFlgAry[i][j] != PolyFlags::Control) + { + snprintf(pString, nBezString, "%" SAL_PRIdINT64 " %" SAL_PRIdINT64 " lineto\n", + sal_Int64(pPtAry[i][j].X()), sal_Int64(pPtAry[i][j].Y())); + WritePS(mpPageBody, pString); + j++; + } + else + { + if (j+2 >= nPoints) + break; //Error: wrong sequence of control/normal points somehow + if ((pFlgAry[i][j] == PolyFlags::Control) && (pFlgAry[i][j+1] == PolyFlags::Control) && (pFlgAry[i][j+2] != PolyFlags::Control)) + { + snprintf(pString, nBezString, "%" SAL_PRIdINT64 " %" SAL_PRIdINT64 " %" SAL_PRIdINT64 " %" SAL_PRIdINT64 " %" SAL_PRIdINT64 " %" SAL_PRIdINT64 " curveto\n", + sal_Int64(pPtAry[i][j].X()), sal_Int64(pPtAry[i][j].Y()), + sal_Int64(pPtAry[i][j+1].X()), sal_Int64(pPtAry[i][j+1].Y()), + sal_Int64(pPtAry[i][j+2].X()), sal_Int64(pPtAry[i][j+2].Y())); + WritePS(mpPageBody, pString); + } + else + { + OSL_FAIL( "PrinterGfx::DrawPolyPolygonBezier: Strange output" ); + } + j+=3; + } + } + } + + // if fill and stroke, save the current path + if( maFillColor.Is() && maLineColor.Is()) + PSGSave(); + + if (maFillColor.Is ()) + { + PSSetColor (maFillColor); + PSSetColor (); + WritePS (mpPageBody, "eofill\n"); + } + + // restore the current path + if( maFillColor.Is() && maLineColor.Is()) + PSGRestore(); +} + +/* + * postscript generating routines + */ +void +PrinterGfx::PSGSave () +{ + WritePS (mpPageBody, "gsave\n" ); + GraphicsStatus aNewState; + if( !maGraphicsStack.empty() ) + aNewState = maGraphicsStack.front(); + maGraphicsStack.push_front( aNewState ); +} + +void +PrinterGfx::PSGRestore () +{ + WritePS (mpPageBody, "grestore\n" ); + if( maGraphicsStack.empty() ) + WritePS (mpPageBody, "Error: too many grestores\n" ); + else + maGraphicsStack.pop_front(); +} + +void +PrinterGfx::PSSetLineWidth () +{ + if( currentState().mfLineWidth != maVirtualStatus.mfLineWidth ) + { + OStringBuffer pBuffer; + + currentState().mfLineWidth = maVirtualStatus.mfLineWidth; + psp::getValueOfDouble (pBuffer, maVirtualStatus.mfLineWidth, 5); + psp::appendStr (" setlinewidth\n", pBuffer); + WritePS (mpPageBody, pBuffer.makeStringAndClear()); + } +} + +void +PrinterGfx::PSSetColor () +{ + PrinterColor& rColor( maVirtualStatus.maColor ); + + if( currentState().maColor == rColor ) + return; + + currentState().maColor = rColor; + + OStringBuffer pBuffer; + + if( mbColor ) + { + psp::getValueOfDouble (pBuffer, + static_cast<double>(rColor.GetRed()) / 255.0, 5); + psp::appendStr (" ", pBuffer); + psp::getValueOfDouble (pBuffer, + static_cast<double>(rColor.GetGreen()) / 255.0, 5); + psp::appendStr (" ", pBuffer); + psp::getValueOfDouble (pBuffer, + static_cast<double>(rColor.GetBlue()) / 255.0, 5); + psp::appendStr (" setrgbcolor\n", pBuffer ); + } + else + { + Color aColor( rColor.GetRed(), rColor.GetGreen(), rColor.GetBlue() ); + sal_uInt8 nCol = aColor.GetLuminance(); + psp::getValueOfDouble( pBuffer, static_cast<double>(nCol) / 255.0, 5 ); + psp::appendStr( " setgray\n", pBuffer ); + } + + WritePS (mpPageBody, pBuffer.makeStringAndClear()); +} + +void +PrinterGfx::PSSetFont () +{ + GraphicsStatus& rCurrent( currentState() ); + if( !(maVirtualStatus.maFont != rCurrent.maFont || + maVirtualStatus.mnTextHeight != rCurrent.mnTextHeight || + maVirtualStatus.maEncoding != rCurrent.maEncoding || + maVirtualStatus.mnTextWidth != rCurrent.mnTextWidth || + maVirtualStatus.mbArtBold != rCurrent.mbArtBold || + maVirtualStatus.mbArtItalic != rCurrent.mbArtItalic) + ) + return; + + rCurrent.maFont = maVirtualStatus.maFont; + rCurrent.maEncoding = maVirtualStatus.maEncoding; + rCurrent.mnTextWidth = maVirtualStatus.mnTextWidth; + rCurrent.mnTextHeight = maVirtualStatus.mnTextHeight; + rCurrent.mbArtItalic = maVirtualStatus.mbArtItalic; + rCurrent.mbArtBold = maVirtualStatus.mbArtBold; + + sal_Int32 nTextHeight = rCurrent.mnTextHeight; + sal_Int32 nTextWidth = rCurrent.mnTextWidth ? rCurrent.mnTextWidth + : rCurrent.mnTextHeight; + + OStringBuffer pSetFont; + + // postscript based fonts need reencoding + if ( ( rCurrent.maEncoding == RTL_TEXTENCODING_MS_1252) + || ( rCurrent.maEncoding == RTL_TEXTENCODING_ISO_8859_1) + || ( rCurrent.maEncoding >= RTL_TEXTENCODING_USER_START + && rCurrent.maEncoding <= RTL_TEXTENCODING_USER_END) + ) + { + OString aReencodedFont = + psp::GlyphSet::GetReencodedFontName (rCurrent.maEncoding, + rCurrent.maFont); + + psp::appendStr ("(", pSetFont); + psp::appendStr (aReencodedFont.getStr(), + pSetFont); + psp::appendStr (") cvn findfont ", + pSetFont); + } + else + // tt based fonts mustn't reencode, the encoding is implied by the fontname + // same for symbol type1 fonts, don't try to touch them + { + psp::appendStr ("(", pSetFont); + psp::appendStr (rCurrent.maFont.getStr(), + pSetFont); + psp::appendStr (") cvn findfont ", + pSetFont); + } + + if( ! rCurrent.mbArtItalic ) + { + psp::getValueOf (nTextWidth, pSetFont); + psp::appendStr (" ", pSetFont); + psp::getValueOf (-nTextHeight, pSetFont); + psp::appendStr (" matrix scale makefont setfont\n", pSetFont); + } + else // skew 15 degrees to right + { + psp::appendStr ( " [", pSetFont); + psp::getValueOf (nTextWidth, pSetFont); + psp::appendStr (" 0 ", pSetFont); + psp::getValueOfDouble (pSetFont, 0.27*static_cast<double>(nTextWidth), 3 ); + psp::appendStr ( " ", pSetFont); + psp::getValueOf (-nTextHeight, pSetFont); + + psp::appendStr (" 0 0] makefont setfont\n", pSetFont); + } + + WritePS (mpPageBody, pSetFont.makeStringAndClear()); + +} + +void +PrinterGfx::PSRotate (Degree10 nAngle) +{ + sal_Int32 nPostScriptAngle = -nAngle.get(); + while( nPostScriptAngle < 0 ) + nPostScriptAngle += 3600; + + if (nPostScriptAngle == 0) + return; + + sal_Int32 nFullAngle = nPostScriptAngle / 10; + sal_Int32 nTenthAngle = nPostScriptAngle % 10; + + OStringBuffer pRotate; + + psp::getValueOf (nFullAngle, pRotate); + psp::appendStr (".", pRotate); + psp::getValueOf (nTenthAngle, pRotate); + psp::appendStr (" rotate\n", pRotate); + + WritePS (mpPageBody, pRotate.makeStringAndClear()); +} + +void +PrinterGfx::PSPointOp (const Point& rPoint, const char* pOperator) +{ + OStringBuffer pPSCommand; + + psp::getValueOf (rPoint.X(), pPSCommand); + psp::appendStr (" ", pPSCommand); + psp::getValueOf (rPoint.Y(), pPSCommand); + psp::appendStr (" ", pPSCommand); + psp::appendStr (pOperator, pPSCommand); + psp::appendStr ("\n", pPSCommand); + + WritePS (mpPageBody, pPSCommand.makeStringAndClear()); +} + +void +PrinterGfx::PSTranslate (const Point& rPoint) +{ + PSPointOp (rPoint, "translate"); +} + +void +PrinterGfx::PSMoveTo (const Point& rPoint) +{ + PSPointOp (rPoint, "moveto"); +} + +void +PrinterGfx::PSLineTo (const Point& rPoint) +{ + PSPointOp (rPoint, "lineto"); +} + +/* get a compressed representation of the path information */ + +#define DEBUG_BINPATH 0 + +void +PrinterGfx::PSBinLineTo (const Point& rCurrent, Point& rOld, sal_Int32& nColumn) +{ +#if (DEBUG_BINPATH == 1) + PSLineTo (rCurrent); +#else + PSBinPath (rCurrent, rOld, lineto, nColumn); +#endif +} + +void +PrinterGfx::PSBinMoveTo (const Point& rCurrent, Point& rOld, sal_Int32& nColumn) +{ +#if (DEBUG_BINPATH == 1) + PSMoveTo (rCurrent); +#else + PSBinPath (rCurrent, rOld, moveto, nColumn); +#endif +} + +void +PrinterGfx::PSBinStartPath () +{ +#if (DEBUG_BINPATH == 1) + WritePS (mpPageBody, "% PSBinStartPath\n"); +#else + WritePS (mpPageBody, "readpath\n" ); +#endif +} + +void +PrinterGfx::PSBinEndPath () +{ +#if (DEBUG_BINPATH == 1) + WritePS (mpPageBody, "% PSBinEndPath\n"); +#else + WritePS (mpPageBody, "~\n"); +#endif +} + +void +PrinterGfx::PSBinCurrentPath (sal_uInt32 nPoints, const Point* pPath) +{ + // create the path + Point aPoint (0, 0); + sal_Int32 nColumn = 0; + + PSBinStartPath (); + PSBinMoveTo (*pPath, aPoint, nColumn); + for (unsigned int i = 1; i < nPoints; i++) + PSBinLineTo (pPath[i], aPoint, nColumn); + PSBinEndPath (); +} + +void +PrinterGfx::PSBinPath (const Point& rCurrent, Point& rOld, + pspath_t eType, sal_Int32& nColumn) +{ + OStringBuffer pPath; + sal_Int32 nChar; + + // create the hex representation of the dx and dy path shift, store the field + // width as it is needed for the building the command + sal_Int32 nXPrec = getAlignedHexValueOf (rCurrent.X() - rOld.X(), pPath); + sal_Int32 nYPrec = getAlignedHexValueOf (rCurrent.Y() - rOld.Y(), pPath); + + // build the command, it is a char with bit representation 000cxxyy + // c represents the char, xx and yy repr. the field width of the dx and dy shift, + // dx and dy represent the number of bytes to read after the opcode + char cCmd = (eType == lineto ? char(0x00) : char(0x10)); + switch (nYPrec) + { + case 2: break; + case 4: cCmd |= 0x01; break; + case 6: cCmd |= 0x02; break; + case 8: cCmd |= 0x03; break; + default: OSL_FAIL("invalid x precision in binary path"); + } + switch (nXPrec) + { + case 2: break; + case 4: cCmd |= 0x04; break; + case 6: cCmd |= 0x08; break; + case 8: cCmd |= 0x0c; break; + default: OSL_FAIL("invalid y precision in binary path"); + } + cCmd += 'A'; + pPath.insert(0, cCmd); + auto const path = pPath.makeStringAndClear(); + + // write the command to file, + // line breaking at column nMaxTextColumn (80) + nChar = 1 + nXPrec + nYPrec; + if ((nColumn + nChar) > nMaxTextColumn) + { + sal_Int32 nSegment = nMaxTextColumn - nColumn; + + WritePS (mpPageBody, path.copy(0, nSegment)); + WritePS (mpPageBody, "\n", 1); + WritePS (mpPageBody, path.copy(nSegment)); + + nColumn = nChar - nSegment; + } + else + { + WritePS (mpPageBody, path); + + nColumn += nChar; + } + + rOld = rCurrent; +} + +void +PrinterGfx::PSScale (double fScaleX, double fScaleY) +{ + OStringBuffer pScale; + + psp::getValueOfDouble (pScale, fScaleX, 5); + psp::appendStr (" ", pScale); + psp::getValueOfDouble (pScale, fScaleY, 5); + psp::appendStr (" scale\n", pScale); + + WritePS (mpPageBody, pScale.makeStringAndClear()); +} + +/* psshowtext helper routines: draw an hex string for show/xshow */ +void +PrinterGfx::PSHexString (const unsigned char* pString, sal_Int16 nLen) +{ + OStringBuffer pHexString; + sal_Int32 nChar = psp::appendStr ("<", pHexString); + for (int i = 0; i < nLen; i++) + { + if (nChar >= (nMaxTextColumn - 1)) + { + psp::appendStr ("\n", pHexString); + WritePS (mpPageBody, pHexString.makeStringAndClear()); + nChar = 0; + } + nChar += psp::getHexValueOf (static_cast<sal_Int32>(pString[i]), pHexString); + } + + psp::appendStr (">\n", pHexString); + WritePS (mpPageBody, pHexString.makeStringAndClear()); +} + +void +PrinterGfx::PSShowGlyph (const unsigned char nGlyphId) +{ + PSSetColor (maTextColor); + PSSetColor (); + PSSetFont (); + // rotate the user coordinate system + if (mnTextAngle) + { + PSGSave (); + PSRotate (mnTextAngle); + } + + char pBuffer[256]; + if( maVirtualStatus.mbArtBold ) + { + sal_Int32 nLW = maVirtualStatus.mnTextWidth; + if( nLW == 0 ) + nLW = maVirtualStatus.mnTextHeight; + else + nLW = std::min(nLW, maVirtualStatus.mnTextHeight); + psp::getValueOfDouble( pBuffer, static_cast<double>(nLW) / 30.0 ); + } + + // dispatch to the drawing method + PSHexString (&nGlyphId, 1); + + if( maVirtualStatus.mbArtBold ) + { + WritePS( mpPageBody, pBuffer ); + WritePS( mpPageBody, " bshow\n" ); + } + else + WritePS (mpPageBody, "show\n"); + + // restore the user coordinate system + if (mnTextAngle) + PSGRestore (); +} + +bool +PrinterGfx::DrawEPS( const tools::Rectangle& rBoundingBox, void* pPtr, sal_uInt32 nSize ) +{ + if( nSize == 0 ) + return true; + if( ! mpPageBody ) + return false; + + bool bSuccess = false; + + // first search the BoundingBox of the EPS data + SvMemoryStream aStream( pPtr, nSize, StreamMode::READ ); + aStream.Seek( STREAM_SEEK_TO_BEGIN ); + OString aLine; + + OString aDocTitle; + double fLeft = 0, fRight = 0, fTop = 0, fBottom = 0; + bool bEndComments = false; + while( ! aStream.eof() + && ( ( fLeft == 0 && fRight == 0 && fTop == 0 && fBottom == 0 ) || + ( aDocTitle.isEmpty() && !bEndComments ) ) + ) + { + aStream.ReadLine( aLine ); + if( aLine.getLength() > 1 && aLine[0] == '%' ) + { + char cChar = aLine[1]; + if( cChar == '%' ) + { + if( aLine.matchIgnoreAsciiCase( "%%BoundingBox:" ) ) + { + aLine = WhitespaceToSpace( o3tl::getToken(aLine, 1, ':') ); + if( !aLine.isEmpty() && aLine.indexOf( "atend" ) == -1 ) + { + fLeft = StringToDouble( GetCommandLineToken( 0, aLine ) ); + fBottom = StringToDouble( GetCommandLineToken( 1, aLine ) ); + fRight = StringToDouble( GetCommandLineToken( 2, aLine ) ); + fTop = StringToDouble( GetCommandLineToken( 3, aLine ) ); + } + } + else if( aLine.matchIgnoreAsciiCase( "%%Title:" ) ) + aDocTitle = WhitespaceToSpace( aLine.subView( 8 ) ); + else if( aLine.matchIgnoreAsciiCase( "%%EndComments" ) ) + bEndComments = true; + } + else if( cChar == ' ' || cChar == '\t' || cChar == '\r' || cChar == '\n' ) + bEndComments = true; + } + else + bEndComments = true; + } + + static sal_uInt16 nEps = 0; + if( aDocTitle.isEmpty() ) + aDocTitle = OString::number(nEps++); + + if( fLeft != fRight && fTop != fBottom ) + { + double fScaleX = static_cast<double>(rBoundingBox.GetWidth())/(fRight-fLeft); + double fScaleY = -static_cast<double>(rBoundingBox.GetHeight())/(fTop-fBottom); + Point aTranslatePoint( static_cast<int>(rBoundingBox.Left()-fLeft*fScaleX), + static_cast<int>(rBoundingBox.Bottom()+1-fBottom*fScaleY) ); + // prepare EPS + WritePS( mpPageBody, + "/b4_Inc_state save def\n" + "/dict_count countdictstack def\n" + "/op_count count 1 sub def\n" + "userdict begin\n" + "/showpage {} def\n" + "0 setgray 0 setlinecap 1 setlinewidth 0 setlinejoin\n" + "10 setmiterlimit [] 0 setdash newpath\n" + "/languagelevel where\n" + "{pop languagelevel\n" + "1 ne\n" + " {false setstrokeadjust false setoverprint\n" + " } if\n" + "}if\n" ); + // set up clip path and scale + BeginSetClipRegion(); + UnionClipRegion( rBoundingBox.Left(), rBoundingBox.Top(), rBoundingBox.GetWidth(), rBoundingBox.GetHeight() ); + EndSetClipRegion(); + PSTranslate( aTranslatePoint ); + PSScale( fScaleX, fScaleY ); + + // DSC requires BeginDocument + WritePS( mpPageBody, "%%BeginDocument: " ); + WritePS( mpPageBody, aDocTitle ); + WritePS( mpPageBody, "\n" ); + + // write the EPS data + sal_uInt64 nOutLength; + mpPageBody->write( pPtr, nSize, nOutLength ); + bSuccess = nOutLength == nSize; + + // corresponding EndDocument + if( static_cast<char*>(pPtr)[ nSize-1 ] != '\n' ) + WritePS( mpPageBody, "\n" ); + WritePS( mpPageBody, "%%EndDocument\n" ); + + // clean up EPS + WritePS( mpPageBody, + "count op_count sub {pop} repeat\n" + "countdictstack dict_count sub {end} repeat\n" + "b4_Inc_state restore\n" ); + } + return bSuccess; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |