summaryrefslogtreecommitdiff
path: root/drawinglayer/source/primitive2d/textbreakuphelper.cxx
diff options
context:
space:
mode:
authorMichael Meeks <michael.meeks@suse.com>2012-10-09 12:22:23 +0100
committerMichael Meeks <michael.meeks@suse.com>2012-11-06 11:58:16 +0000
commit44cfc7cb6533d827fd2d6e586d92c61d7d7f7a70 (patch)
treecfca2fb5cd4676d7d55648fe11105753c2178d5d /drawinglayer/source/primitive2d/textbreakuphelper.cxx
parenteff92f2501cf070cd912508b2ccc3c0108d0327c (diff)
re-base on ALv2 code. Includes (at least) relevant parts of:
linecap: Reintegrating finished LineCap feature Patch contributed by Regina Henschel http://svn.apache.org/viewvc?view=revision&revision=1232507 Patches contributed by Sven Jacobi impress212: #i81610# fixed animation export http://svn.apache.org/viewvc?view=revision&revision=1167620 impress212: drawinglayer gbuild environment changes http://svn.apache.org/viewvc?view=revision&revision=1167627 http://svn.apache.org/viewvc?view=revision&revision=1167628 impress212: DffPropSet -> minor code improvements, removing table http://svn.apache.org/viewvc?view=revision&revision=1167634 impress212: #158494# fixed excel import (text rotation) http://svn.apache.org/viewvc?view=revision&revision=1167638 Patches contributed by Armin Le Grand Svg: Reintegrated Svg replacement from /branches/alg/svgreplavement http://svn.apache.org/viewvc?view=revision&revision=1220836 #118728# changed indentifying definitions for Svg file detection http://svn.apache.org/viewvc?view=revision&revision=1229961 #118838# LineGeometry creation for complicated cases optimized to create single Polygons http://svn.apache.org/viewvc?view=revision&revision=1236232 #119176# corrected file type detection for SVG for svg files without xml header http://svn.apache.org/viewvc?view=revision&revision=1309445 #118728# Extended Svg file detection http://svn.apache.org/viewvc?view=revision&revision=1230531 #118529# solve break converters and convert commands for OLEs and images http://svn.apache.org/viewvc?view=revision&revision=1186168 svg: added WaE changes from branch svgreplacement to trunc http://svn.apache.org/viewvc?view=revision&revision=1222974 svg: corrected missing member initialization http://svn.apache.org/viewvc?view=revision&revision=1226134 fix for #118525#: Using primitives for chart sub-geometry visualisation http://svn.apache.org/viewvc?view=revision&revision=1226879 #118898# Adapted ImpGraphic::ImplGetBitmap to correctly convert metafiles to bitmapEx ... http://svn.apache.org/viewvc?view=revision&revision=1293316 fix for #118525#: removed no longer used variable maOriginalMapMode, one more exception eliminated http://svn.apache.org/viewvc?view=revision&revision=1227097 #16758# Added buffering to the VDev usages of the VclProcessor2D derivates... http://svn.apache.org/viewvc?view=revision&revision=1229521 #116758# Secured VDev buffer device to Vcl deinit http://svn.apache.org/viewvc?view=revision&revision=1230574 #116758# added remembering allocated VDevs for VDevBuffer to be able to also delete these when vcl goes down; it should never happen, but You never know http://svn.apache.org/viewvc?view=revision&revision=1230927 #118730# Changed SvgClipPathNode to use MaskPrimitive2D for primitive representation instead of TransparencePrimitive2D http://svn.apache.org/viewvc?view=revision&revision=1231198 #118822# secured 3D geometry creation (slices) by subdividing the 2D source polyPolygon early http://svn.apache.org/viewvc?view=revision&revision=1234749 #118829# enhanced Svg gradient quality, obstacles avoided http://svn.apache.org/viewvc?view=revision&revision=1235361 #118834# Unified usage of TextBreakupHelper as single tooling class for i18n text primitive breakup http://svn.apache.org/viewvc?view=revision&revision=1236110 #118853# added square pixel size limit to conversion of TransparencePrimitive2D to Metafile action http://svn.apache.org/viewvc?view=revision&revision=1237656 #118824# coreccted mirroring and boundrect when the graphicmanager is used for bitmap output http://svn.apache.org/viewvc?view=revision&revision=1240097 #115092# Corrected VclProcessor2D::RenderPolygonStrokePrimitive2D for various optimization scenarios http://svn.apache.org/viewvc?view=revision&revision=1241434 #118783# Corrected errors in ID strings, corrected Svg line/fill export, corrected polygon close state http://svn.apache.org/viewvc?view=revision&revision=1232006 #118796# corrected null-pointer usage in SVG text exporter http://svn.apache.org/viewvc?view=revision&revision=1240262 #118729# Use GraphicStreamUrl and GraphicUrl to allow multi image import with linked graphics, too http://svn.apache.org/viewvc?view=revision&revision=1229962 #118898# corrected error in GDIMetaFile::GetBoundRect in handling MetaFloatTransparentAction http://svn.apache.org/viewvc?view=revision&revision=1293349 #118855# Corrected handling of possibly created empty clipRegions after PolyPolygon clipping http://svn.apache.org/viewvc?view=revision&revision=1237725 #115962# Better (but not yet optimal, see comments in task) handling of MetaFloatTransparentAction in PDF export http://svn.apache.org/viewvc?view=revision&revision=1241078 IP clearance: #118466# This patch removes librsvg, libcroco, libgsf, ... http://svn.apache.org/viewvc?view=revision&revision=1200879 118779# Added svg content streaming in/out to ImpGraphic stream operators http://svn.apache.org/viewvc?view=revision&revision=1231908 linecap: correctons for WaE and mac drawing http://svn.apache.org/viewvc?view=revision&revision=1232793 svg: uses current system Dpi for Svg replacement image creation http://svn.apache.org/viewvc?view=revision&revision=1233948 Patches contributed by Mathias Bauer (and others) gnumake4 work variously http://svn.apache.org/viewvc?view=revision&revision=1394326 http://svn.apache.org/viewvc?view=revision&revision=1396797 http://svn.apache.org/viewvc?view=revision&revision=1397315 http://svn.apache.org/viewvc?view=revision&revision=1394326 Remove duplicate header includes. cws mba34issues01: #i117720#: convert assertion into warning http://svn.apache.org/viewvc?view=revision&revision=1172352 118485 - Styles for OLEs are not saved. Submitted by Armin Le Grand. http://svn.apache.org/viewvc?view=revision&revision=1182166 cws mba34issues01: #i117714#: remove assertion http://svn.apache.org/viewvc?view=revision&revision=1172357 Patch contributed by Jurgen Schmidt add some additional checks to ensure proper reading operations http://svn.apache.org/viewvc?view=revision&revision=1209022 mostly prefer our stream / bounds checking work. Patches contributed by Herbert Duerr #i118816# add clarifying comment regarding Font::*Color*() methods http://svn.apache.org/viewvc?view=revision&revision=1233833 extend macro->string handling for empty strings http://svn.apache.org/viewvc?view=revision&revision=1175801 avoid magic constants for SALCOLOR_NONE http://svn.apache.org/viewvc?view=revision&revision=1177543 initialize slant properly in ImplFontMetricData constructor (author=iorsh) http://svn.apache.org/viewvc?view=revision&revision=1177551 #i118675# make check for extension updates more stable http://svn.apache.org/viewvc?view=revision&revision=1214797 #a118617# remove VBasicEventListener.dll binary There are no known users depending on its CLSID http://svn.apache.org/viewvc?view=revision&revision=1203697 Patches contributed by Ariel Constenla-Haile Fix build breaker on Linux/gcc http://svn.apache.org/viewvc?view=revision&revision=1221104 Fix crash when trying to instantiate css.graphic.GraphicRasterizer_RSVG http://svn.apache.org/viewvc?view=revision&revision=1215559 Patches contributed by Oliver-Rainer Wittmann sw34bf06: #i117962# - method <SwFlyFrm::IsPaint(..)> - consider instances of <SwFlyDrawObj> http://svn.apache.org/viewvc?view=revision&revision=1172120 sw34bf06: #i117783# - Writer's implementation of XPagePrintable - apply print settings to new printing routines http://svn.apache.org/viewvc?view=revision&revision=1172115 gnumake4 work variously from Hans-Joachim Lankenau http://svn.apache.org/viewvc?view=revision&revision=1397315 http://svn.apache.org/viewvc?view=revision&revision=1396797 http://svn.apache.org/viewvc?view=revision&revision=1396782 http://svn.apache.org/viewvc?view=revision&revision=1394707 plus some amount of re-splitting of legacy headers. Patch contributed by Pavel Janik WaE: Remove unused variables. http://svn.apache.org/viewvc?view=revision&revision=1230697 Patches contributed by Takashi Ono mingwport35: i#117795: MinGW port fix for vcl2gnumake http://svn.apache.org/viewvc?view=revision&revision=1172091 mingwport35: i#117795: MinGW port fix for vcl2gnumake http://svn.apache.org/viewvc?view=revision&revision=1172091 Patch contributed by Christian Lippka impress212: #i98044# re enable Text menu for outline and title shapes http://svn.apache.org/viewvc?view=revision&revision=1167639 Patch contributed by Andre Fischer 118674: Made category B code optional and disabled by default. http://svn.apache.org/viewvc?view=revision&revision=1215131 118881: Ignore empty paragraphs after bullets. http://svn.apache.org/viewvc?view=revision&revision=1296205 Patches contributed by Philipp Lohmann ooo340fixes: #i117780# use rtl allocator http://svn.apache.org/viewvc?view=revision&revision=1172087 ooo34gsl02: #i117807# fix an off by one error (index actually inside the pfb section header) http://svn.apache.org/viewvc?view=revision&revision=1167576 various cleanups, related compilation fixes, warning cleanups, re-working of obsolete stl template pieces to use boost instead, changed string classes, re-adapt KDE about data, about dialog, fixing warnings, and other fixes & improvements. Disable svg import / render for about/ branding code-paths for now. Restore full icon theme set. Remove OS/2 conditionals and sources. Remove conflicting gtk/full-screen monitors support. Retain existing svg rasterizer files - temporarily disabled. Standardize stringificaiton and fixup dllpostfix issues. Rename SvgGradientHelper::== to equalTo to avoid overloading issues. Use the flat GdiPlus API for LineCaps calls.
Diffstat (limited to 'drawinglayer/source/primitive2d/textbreakuphelper.cxx')
-rw-r--r--drawinglayer/source/primitive2d/textbreakuphelper.cxx303
1 files changed, 303 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive2d/textbreakuphelper.cxx b/drawinglayer/source/primitive2d/textbreakuphelper.cxx
new file mode 100644
index 000000000000..6a4a40cc1076
--- /dev/null
+++ b/drawinglayer/source/primitive2d/textbreakuphelper.cxx
@@ -0,0 +1,303 @@
+/* -*- 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 <drawinglayer/primitive2d/textbreakuphelper.hxx>
+#include <drawinglayer/primitive2d/textdecoratedprimitive2d.hxx>
+#include <com/sun/star/i18n/XBreakIterator.hpp>
+#include <comphelper/processfactory.hxx>
+#include <com/sun/star/i18n/CharacterIteratorMode.hdl>
+#include <com/sun/star/i18n/WordType.hpp>
+#include <com/sun/star/i18n/CharType.hpp>
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace drawinglayer
+{
+ namespace primitive2d
+ {
+ TextBreakupHelper::TextBreakupHelper(const TextSimplePortionPrimitive2D& rSource)
+ : mrSource(rSource),
+ mxResult(),
+ maTextLayouter(),
+ maDecTrans(),
+ mbNoDXArray(false)
+ {
+ OSL_ENSURE(dynamic_cast< const TextSimplePortionPrimitive2D* >(&mrSource), "TextBreakupHelper with illegal primitive created (!)");
+ maDecTrans = mrSource.getTextTransform();
+ mbNoDXArray = mrSource.getDXArray().empty();
+
+ if(mbNoDXArray)
+ {
+ // init TextLayouter when no dxarray
+ maTextLayouter.setFontAttribute(
+ mrSource.getFontAttribute(),
+ maDecTrans.getScale().getX(),
+ maDecTrans.getScale().getY(),
+ mrSource.getLocale());
+ }
+ }
+
+ TextBreakupHelper::~TextBreakupHelper()
+ {
+ }
+
+ void TextBreakupHelper::breakupPortion(Primitive2DVector& rTempResult, sal_uInt32 nIndex, sal_uInt32 nLength, bool bWordLineMode)
+ {
+ if(nLength && !(nIndex == mrSource.getTextPosition() && nLength == mrSource.getTextLength()))
+ {
+ // prepare values for new portion
+ basegfx::B2DHomMatrix aNewTransform;
+ ::std::vector< double > aNewDXArray;
+ const bool bNewStartIsNotOldStart(nIndex > mrSource.getTextPosition());
+
+ if(!mbNoDXArray)
+ {
+ // prepare new DXArray for the single word
+ aNewDXArray = ::std::vector< double >(
+ mrSource.getDXArray().begin() + (nIndex - mrSource.getTextPosition()),
+ mrSource.getDXArray().begin() + ((nIndex + nLength) - mrSource.getTextPosition()));
+ }
+
+ if(bNewStartIsNotOldStart)
+ {
+ // needs to be moved to a new start position
+ double fOffset(0.0);
+
+ if(mbNoDXArray)
+ {
+ // evaluate using TextLayouter
+ fOffset = maTextLayouter.getTextWidth(mrSource.getText(), mrSource.getTextPosition(), nIndex);
+ }
+ else
+ {
+ // get from DXArray
+ const sal_uInt32 nIndex2(static_cast< sal_uInt32 >(nIndex - mrSource.getTextPosition()));
+ fOffset = mrSource.getDXArray()[nIndex2 - 1];
+ }
+
+ // need offset without FontScale for building the new transformation. The
+ // new transformation will be multiplied with the current text transformation
+ // so FontScale would be double
+ double fOffsetNoScale(fOffset);
+ const double fFontScaleX(maDecTrans.getScale().getX());
+
+ if(!basegfx::fTools::equal(fFontScaleX, 1.0)
+ && !basegfx::fTools::equalZero(fFontScaleX))
+ {
+ fOffsetNoScale /= fFontScaleX;
+ }
+
+ // apply needed offset to transformation
+ aNewTransform.translate(fOffsetNoScale, 0.0);
+
+ if(!mbNoDXArray)
+ {
+ // DXArray values need to be corrected with the offset, too. Here,
+ // take the scaled offset since the DXArray is scaled
+ const sal_uInt32 nArraySize(aNewDXArray.size());
+
+ for(sal_uInt32 a(0); a < nArraySize; a++)
+ {
+ aNewDXArray[a] -= fOffset;
+ }
+ }
+ }
+
+ // add text transformation to new transformation
+ aNewTransform = maDecTrans.getB2DHomMatrix() * aNewTransform;
+
+ // callback to allow evtl. changes
+ const bool bCreate(allowChange(rTempResult.size(), aNewTransform, nIndex, nLength));
+
+ if(bCreate)
+ {
+ // check if we have a decorated primitive as source
+ const TextDecoratedPortionPrimitive2D* pTextDecoratedPortionPrimitive2D =
+ dynamic_cast< const TextDecoratedPortionPrimitive2D* >(&mrSource);
+
+ if(pTextDecoratedPortionPrimitive2D)
+ {
+ // create a TextDecoratedPortionPrimitive2D
+ rTempResult.push_back(
+ new TextDecoratedPortionPrimitive2D(
+ aNewTransform,
+ mrSource.getText(),
+ nIndex,
+ nLength,
+ aNewDXArray,
+ mrSource.getFontAttribute(),
+ mrSource.getLocale(),
+ mrSource.getFontColor(),
+
+ pTextDecoratedPortionPrimitive2D->getOverlineColor(),
+ pTextDecoratedPortionPrimitive2D->getTextlineColor(),
+ pTextDecoratedPortionPrimitive2D->getFontOverline(),
+ pTextDecoratedPortionPrimitive2D->getFontUnderline(),
+ pTextDecoratedPortionPrimitive2D->getUnderlineAbove(),
+ pTextDecoratedPortionPrimitive2D->getTextStrikeout(),
+
+ // reset WordLineMode when BreakupUnit_word is executed; else copy original
+ bWordLineMode ? false : pTextDecoratedPortionPrimitive2D->getWordLineMode(),
+
+ pTextDecoratedPortionPrimitive2D->getTextEmphasisMark(),
+ pTextDecoratedPortionPrimitive2D->getEmphasisMarkAbove(),
+ pTextDecoratedPortionPrimitive2D->getEmphasisMarkBelow(),
+ pTextDecoratedPortionPrimitive2D->getTextRelief(),
+ pTextDecoratedPortionPrimitive2D->getShadow()));
+ }
+ else
+ {
+ // create a SimpleTextPrimitive
+ rTempResult.push_back(
+ new TextSimplePortionPrimitive2D(
+ aNewTransform,
+ mrSource.getText(),
+ nIndex,
+ nLength,
+ aNewDXArray,
+ mrSource.getFontAttribute(),
+ mrSource.getLocale(),
+ mrSource.getFontColor()));
+ }
+ }
+ }
+ }
+
+ bool TextBreakupHelper::allowChange(sal_uInt32 /*nCount*/, basegfx::B2DHomMatrix& /*rNewTransform*/, sal_uInt32 /*nIndex*/, sal_uInt32 /*nLength*/)
+ {
+ return true;
+ }
+
+ void TextBreakupHelper::breakup(BreakupUnit aBreakupUnit)
+ {
+ if(mrSource.getTextLength())
+ {
+ Primitive2DVector aTempResult;
+ static ::com::sun::star::uno::Reference< ::com::sun::star::i18n::XBreakIterator > xBreakIterator;
+
+ if(!xBreakIterator.is())
+ {
+ ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > xMSF(::comphelper::getProcessServiceFactory());
+ xBreakIterator.set(xMSF->createInstance(rtl::OUString::createFromAscii("com.sun.star.i18n.BreakIterator")), ::com::sun::star::uno::UNO_QUERY);
+ }
+
+ if(xBreakIterator.is())
+ {
+ const rtl::OUString& rTxt = mrSource.getText();
+ const sal_Int32 nTextLength(mrSource.getTextLength());
+ const ::com::sun::star::lang::Locale& rLocale = mrSource.getLocale();
+ const sal_Int32 nTextPosition(mrSource.getTextPosition());
+ sal_Int32 nCurrent(nTextPosition);
+
+ switch(aBreakupUnit)
+ {
+ case BreakupUnit_character:
+ {
+ sal_Int32 nDone;
+ sal_Int32 nNextCellBreak(xBreakIterator->nextCharacters(rTxt, nTextPosition, rLocale, ::com::sun::star::i18n::CharacterIteratorMode::SKIPCELL, 0, nDone));
+ sal_Int32 a(nTextPosition);
+
+ for(; a < nTextPosition + nTextLength; a++)
+ {
+ if(a == nNextCellBreak)
+ {
+ breakupPortion(aTempResult, nCurrent, a - nCurrent, false);
+ nCurrent = a;
+ nNextCellBreak = xBreakIterator->nextCharacters(rTxt, a, rLocale, ::com::sun::star::i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
+ }
+ }
+
+ breakupPortion(aTempResult, nCurrent, a - nCurrent, false);
+ break;
+ }
+ case BreakupUnit_word:
+ {
+ ::com::sun::star::i18n::Boundary nNextWordBoundary(xBreakIterator->getWordBoundary(rTxt, nTextPosition, rLocale, ::com::sun::star::i18n::WordType::ANY_WORD, sal_True));
+ sal_Int32 a(nTextPosition);
+
+ for(; a < nTextPosition + nTextLength; a++)
+ {
+ if(a == nNextWordBoundary.endPos)
+ {
+ if(a > nCurrent)
+ {
+ breakupPortion(aTempResult, nCurrent, a - nCurrent, true);
+ }
+
+ nCurrent = a;
+
+ // skip spaces (maybe enhanced with a bool later if needed)
+ {
+ const sal_Int32 nEndOfSpaces(xBreakIterator->endOfCharBlock(rTxt, a, rLocale, ::com::sun::star::i18n::CharType::SPACE_SEPARATOR));
+
+ if(nEndOfSpaces > a)
+ {
+ nCurrent = nEndOfSpaces;
+ }
+ }
+
+ nNextWordBoundary = xBreakIterator->getWordBoundary(rTxt, a + 1, rLocale, ::com::sun::star::i18n::WordType::ANY_WORD, sal_True);
+ }
+ }
+
+ if(a > nCurrent)
+ {
+ breakupPortion(aTempResult, nCurrent, a - nCurrent, true);
+ }
+ break;
+ }
+ case BreakupUnit_sentence:
+ {
+ sal_Int32 nNextSentenceBreak(xBreakIterator->endOfSentence(rTxt, nTextPosition, rLocale));
+ sal_Int32 a(nTextPosition);
+
+ for(; a < nTextPosition + nTextLength; a++)
+ {
+ if(a == nNextSentenceBreak)
+ {
+ breakupPortion(aTempResult, nCurrent, a - nCurrent, false);
+ nCurrent = a;
+ nNextSentenceBreak = xBreakIterator->endOfSentence(rTxt, a + 1, rLocale);
+ }
+ }
+
+ breakupPortion(aTempResult, nCurrent, a - nCurrent, false);
+ break;
+ }
+ }
+ }
+
+ mxResult = Primitive2DVectorToPrimitive2DSequence(aTempResult);
+ }
+ }
+
+ const Primitive2DSequence& TextBreakupHelper::getResult(BreakupUnit aBreakupUnit) const
+ {
+ if(!mxResult.hasElements())
+ {
+ const_cast< TextBreakupHelper* >(this)->breakup(aBreakupUnit);
+ }
+
+ return mxResult;
+ }
+
+ } // end of namespace primitive2d
+} // end of namespace drawinglayer
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */