mirror of
https://github.com/JakubMelka/PDF4QT.git
synced 2025-01-22 21:30:06 +01:00
791 lines
27 KiB
C++
791 lines
27 KiB
C++
// Copyright (C) 2024 Jakub Melka
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//
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// This file is part of PDF4QT.
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//
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// PDF4QT 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 as published by
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// the Free Software Foundation, either version 3 of the License, or
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// with the written consent of the copyright owner, any later version.
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//
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// PDF4QT 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 for more details.
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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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// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
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#include "pdfpagecontenteditorcontentstreambuilder.h"
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#include "pdfdocumentbuilder.h"
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#include "pdfobject.h"
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#include "pdfstreamfilters.h"
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#include <QStringBuilder>
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#include <QXmlStreamReader>
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namespace pdf
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{
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PDFPageContentEditorContentStreamBuilder::PDFPageContentEditorContentStreamBuilder(PDFDocument* document) :
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m_document(document)
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{
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}
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void PDFPageContentEditorContentStreamBuilder::writeStateDifference(QTextStream& stream, const PDFPageContentProcessorState& state)
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{
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PDFPageContentProcessorState oldState = m_currentState;
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m_currentState.setState(state);
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auto stateFlags = m_currentState.getStateFlags();
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateCurrentTransformationMatrix))
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{
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QTransform oldTransform = oldState.getCurrentTransformationMatrix();
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if (!oldTransform.isIdentity() && oldTransform.isInvertible())
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{
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oldTransform = oldTransform.inverted();
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PDFReal old_m11 = oldTransform.m11();
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PDFReal old_m12 = oldTransform.m12();
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PDFReal old_m21 = oldTransform.m21();
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PDFReal old_m22 = oldTransform.m22();
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PDFReal old_x = oldTransform.dx();
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PDFReal old_y = oldTransform.dy();
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stream << old_m11 << " " << old_m12 << " " << old_m21 << " " << old_m22 << " " << old_x << " " << old_y << " cm" << Qt::endl;
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}
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QTransform transform = m_currentState.getCurrentTransformationMatrix();
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PDFReal m11 = transform.m11();
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PDFReal m12 = transform.m12();
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PDFReal m21 = transform.m21();
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PDFReal m22 = transform.m22();
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PDFReal x = transform.dx();
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PDFReal y = transform.dy();
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stream << m11 << " " << m12 << " " << m21 << " " << m22 << " " << x << " " << y << " cm" << Qt::endl;
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}
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateLineWidth))
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{
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stream << m_currentState.getLineWidth() << " w" << Qt::endl;
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}
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateLineCapStyle))
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{
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stream << PDFPageContentProcessor::convertPenCapStyleToLineCap(m_currentState.getLineCapStyle()) << " J" << Qt::endl;
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}
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateLineJoinStyle))
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{
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stream << PDFPageContentProcessor::convertPenJoinStyleToLineJoin(m_currentState.getLineJoinStyle()) << " j" << Qt::endl;
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}
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateMitterLimit))
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{
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stream << m_currentState.getMitterLimit() << " M" << Qt::endl;
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}
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateLineDashPattern))
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{
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const PDFLineDashPattern& dashPattern = m_currentState.getLineDashPattern();
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if (dashPattern.isSolid())
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{
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stream << "[] 0 d" << Qt::endl;
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}
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else
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{
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stream << "[ ";
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for (PDFReal arrayItem : dashPattern.getDashArray())
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{
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stream << arrayItem << " ";
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}
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stream << " ] " << dashPattern.getDashOffset() << " d" << Qt::endl;
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}
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}
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateRenderingIntent))
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{
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switch (m_currentState.getRenderingIntent())
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{
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case pdf::RenderingIntent::Perceptual:
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stream << "/Perceptual ri" << Qt::endl;
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break;
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case pdf::RenderingIntent::AbsoluteColorimetric:
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stream << "/AbsoluteColorimetric ri" << Qt::endl;
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break;
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case pdf::RenderingIntent::RelativeColorimetric:
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stream << "/RelativeColorimetric ri" << Qt::endl;
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break;
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case pdf::RenderingIntent::Saturation:
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stream << "/Saturation ri" << Qt::endl;
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break;
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default:
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break;
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}
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}
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateMitterLimit))
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{
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stream << m_currentState.getMitterLimit() << " M" << Qt::endl;
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}
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateFlatness))
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{
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stream << m_currentState.getFlatness() << " i" << Qt::endl;
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}
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateStrokeColor) ||
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stateFlags.testFlag(PDFPageContentProcessorState::StateStrokeColorSpace))
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{
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QColor color = m_currentState.getStrokeColor();
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const PDFAbstractColorSpace* strokeColorSpace = m_currentState.getStrokeColorSpace();
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if (strokeColorSpace && strokeColorSpace->getColorSpace() == PDFAbstractColorSpace::ColorSpace::DeviceGray)
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{
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stream << qGray(color.rgb()) / 255.0 << " G" << Qt::endl;
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}
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else if (strokeColorSpace && strokeColorSpace->getColorSpace() == PDFAbstractColorSpace::ColorSpace::DeviceCMYK)
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{
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const PDFColor& strokeColorOriginal = m_currentState.getStrokeColorOriginal();
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if (strokeColorOriginal.size() >= 4)
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{
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stream << strokeColorOriginal[0] << " " << strokeColorOriginal[1] << " " << strokeColorOriginal[2] << " " << strokeColorOriginal[3] << " K" << Qt::endl;
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}
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}
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else
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{
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stream << color.redF() << " " << color.greenF() << " " << color.blueF() << " RG" << Qt::endl;
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}
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}
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateFillColor) ||
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stateFlags.testFlag(PDFPageContentProcessorState::StateFillColorSpace))
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{
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QColor color = m_currentState.getFillColor();
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const PDFAbstractColorSpace* fillColorSpace = m_currentState.getFillColorSpace();
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if (fillColorSpace && fillColorSpace->getColorSpace() == PDFAbstractColorSpace::ColorSpace::DeviceGray)
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{
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stream << qGray(color.rgb()) / 255.0 << " G" << Qt::endl;
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}
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else if (fillColorSpace && fillColorSpace->getColorSpace() == PDFAbstractColorSpace::ColorSpace::DeviceCMYK)
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{
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const PDFColor& fillColor = m_currentState.getFillColorOriginal();
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if (fillColor.size() >= 4)
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{
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stream << fillColor[0] << " " << fillColor[1] << " " << fillColor[2] << " " << fillColor[3] << " K" << Qt::endl;
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}
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}
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else
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{
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stream << color.redF() << " " << color.greenF() << " " << color.blueF() << " RG" << Qt::endl;
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}
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}
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m_currentState.setStateFlags(PDFPageContentProcessorState::StateFlags());
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PDFObjectFactory stateDictionary;
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stateDictionary.beginDictionary();
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateSmoothness))
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{
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stateDictionary.beginDictionaryItem("SM");
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stateDictionary << m_currentState.getSmoothness();
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stateDictionary.endDictionaryItem();
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}
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateAlphaStroking))
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{
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stateDictionary.beginDictionaryItem("CA");
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stateDictionary << m_currentState.getAlphaStroking();
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stateDictionary.endDictionaryItem();
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}
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateAlphaFilling))
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{
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stateDictionary.beginDictionaryItem("ca");
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stateDictionary << m_currentState.getAlphaFilling();
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stateDictionary.endDictionaryItem();
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}
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateAlphaIsShape))
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{
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stateDictionary.beginDictionaryItem("AIS");
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stateDictionary << m_currentState.getAlphaIsShape();
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stateDictionary.endDictionaryItem();
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}
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateTextKnockout))
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{
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stateDictionary.beginDictionaryItem("TK");
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stateDictionary << m_currentState.getTextKnockout();
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stateDictionary.endDictionaryItem();
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}
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateStrokeAdjustment))
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{
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stateDictionary.beginDictionaryItem("SA");
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stateDictionary << m_currentState.getStrokeAdjustment();
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stateDictionary.endDictionaryItem();
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}
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateBlendMode))
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{
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QString blendModeName = PDFBlendModeInfo::getBlendModeName(m_currentState.getBlendMode());
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stateDictionary.beginDictionaryItem("BM");
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stateDictionary << WrapName(blendModeName.toLatin1());
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stateDictionary.endDictionaryItem();
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}
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if (stateFlags.testFlag(PDFPageContentProcessorState::StateOverprint))
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{
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PDFOverprintMode overprintMode = m_currentState.getOverprintMode();
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stateDictionary.beginDictionaryItem("OPM");
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stateDictionary << overprintMode.overprintMode;
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stateDictionary.endDictionaryItem();
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stateDictionary.beginDictionaryItem("OP");
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stateDictionary << overprintMode.overprintStroking;
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stateDictionary.endDictionaryItem();
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stateDictionary.beginDictionaryItem("op");
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stateDictionary << overprintMode.overprintFilling;
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stateDictionary.endDictionaryItem();
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}
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stateDictionary.endDictionary();
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PDFObject stateObject = stateDictionary.takeObject();
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const PDFDictionary* dictionary = m_document->getDictionaryFromObject(stateObject);
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if (dictionary && dictionary->getCount() > 0)
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{
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// Apply state
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QByteArray key;
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for (size_t i = 0; i < m_graphicStateDictionary.getCount(); ++i)
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{
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const PDFDictionary* currentDictionary = m_document->getDictionaryFromObject(m_graphicStateDictionary.getValue(i));
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if (*currentDictionary == *dictionary)
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{
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key = m_graphicStateDictionary.getKey(i).getString();
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break;
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}
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}
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if (key.isEmpty())
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{
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int i = 0;
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while (true)
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{
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QByteArray currentKey = QString("s%1").arg(++i).toLatin1();
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if (!m_graphicStateDictionary.hasKey(currentKey))
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{
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m_graphicStateDictionary.addEntry(PDFInplaceOrMemoryString(currentKey), std::move(stateObject));
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key = currentKey;
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break;
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}
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}
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}
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stream << "/" << key << " gs" << Qt::endl;
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}
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}
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void PDFPageContentEditorContentStreamBuilder::writeEditedElement(const PDFEditedPageContentElement* element)
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{
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PDFPageContentProcessorState state = element->getState();
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state.setCurrentTransformationMatrix(element->getTransform());
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QTextStream stream(&m_outputContent, QDataStream::WriteOnly | QDataStream::Append);
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writeStateDifference(stream, state);
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if (const PDFEditedPageContentElementImage* imageElement = element->asImage())
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{
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QImage image = imageElement->getImage();
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writeImage(stream, image);
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}
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if (const PDFEditedPageContentElementPath* pathElement = element->asPath())
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{
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const bool isStroking = pathElement->getStrokePath();
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const bool isFilling = pathElement->getFillPath();
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writePainterPath(stream, pathElement->getPath(), isStroking, isFilling);
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}
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if (const PDFEditedPageContentElementText* textElement = element->asText())
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{
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QString text = textElement->getItemsAsText();
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if (!text.isEmpty())
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{
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writeText(stream, text);
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}
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}
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stream << Qt::endl;
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}
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const QByteArray& PDFPageContentEditorContentStreamBuilder::getOutputContent() const
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{
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return m_outputContent;
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}
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void PDFPageContentEditorContentStreamBuilder::writePainterPath(QTextStream& stream,
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const QPainterPath& path,
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bool isStroking,
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bool isFilling)
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{
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const int elementCount = path.elementCount();
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for (int i = 0; i < elementCount; ++i)
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{
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QPainterPath::Element element = path.elementAt(i);
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switch (element.type)
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{
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case QPainterPath::MoveToElement:
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stream << element.x << " " << element.y << " m" << Qt::endl;
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break;
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case QPainterPath::LineToElement:
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stream << element.x << " " << element.y << " l" << Qt::endl;
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break;
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case QPainterPath::CurveToElement:
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stream << element.x << " " << element.y << " c" << Qt::endl;
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break;
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case QPainterPath::CurveToDataElement:
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stream << element.x << " " << element.y << " ";
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break;
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default:
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break;
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}
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}
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if (isStroking && !isFilling)
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{
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stream << "S" << Qt::endl;
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}
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else if (isStroking || isFilling)
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{
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switch (path.fillRule())
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{
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case Qt::OddEvenFill:
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if (isFilling && isStroking)
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{
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stream << "B*" << Qt::endl;
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}
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else
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{
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stream << "f*" << Qt::endl;
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}
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break;
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case Qt::WindingFill:
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if (isFilling && isStroking)
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{
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stream << "B" << Qt::endl;
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}
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else
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{
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stream << "f" << Qt::endl;
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}
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break;
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default:
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break;
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}
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}
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else
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{
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stream << "n" << Qt::endl;
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}
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}
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void PDFPageContentEditorContentStreamBuilder::writeText(QTextStream& stream, const QString& text)
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{
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stream << "q BT" << Qt::endl;
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QString xml = QString("<?xml version=\"1.0\" encoding=\"UTF-8\"?><doc>%1</doc>").arg(text);
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QXmlStreamReader reader(xml);
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m_textFont = m_currentState.getTextFont();
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while (!reader.atEnd() && !reader.hasError())
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{
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reader.readNext();
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switch (reader.tokenType())
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{
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case QXmlStreamReader::NoToken:
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break;
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case QXmlStreamReader::Invalid:
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addError(PDFTranslationContext::tr("Invalid XML text."));
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break;
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case QXmlStreamReader::StartDocument:
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case QXmlStreamReader::EndDocument:
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case QXmlStreamReader::EndElement:
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case QXmlStreamReader::Comment:
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case QXmlStreamReader::DTD:
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case QXmlStreamReader::ProcessingInstruction:
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case QXmlStreamReader::EntityReference:
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break;
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case QXmlStreamReader::StartElement:
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writeTextCommand(stream, reader);
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break;
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case QXmlStreamReader::Characters:
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{
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QString characters = reader.text().toString();
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if (m_textFont)
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{
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PDFEncodedText encodedText = m_textFont->encodeText(characters);
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if (!encodedText.encodedText.isEmpty())
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{
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stream << "<" << encodedText.encodedText.toHex() << "> Tj" << Qt::endl;
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}
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if (!encodedText.isValid)
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{
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addError(PDFTranslationContext::tr("Error during converting text to font encoding. Some characters were not converted: '%1'.").arg(encodedText.errorString));
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}
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}
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else
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{
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addError(PDFTranslationContext::tr("Text font not defined!"));
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}
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break;
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}
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default:
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Q_ASSERT(false);
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break;
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}
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}
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stream << "ET Q" << Qt::endl;
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}
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void PDFPageContentEditorContentStreamBuilder::writeTextCommand(QTextStream& stream, const QXmlStreamReader& reader)
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{
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QXmlStreamAttributes attributes = reader.attributes();
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auto isCommand = [&reader](const char* tag) -> bool
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{
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QString tagString = reader.name().toString();
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QXmlStreamAttributes attributes = reader.attributes();
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return tagString == QLatin1String(tag) && attributes.size() == 1 && attributes.hasAttribute("v");
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};
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if (reader.name().toString() == "doc")
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{
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return;
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}
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if (isCommand("tr"))
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{
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const QXmlStreamAttribute& attribute = attributes.front();
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bool ok = false;
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const int textRenderingMode = attribute.value().toInt(&ok);
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if (!ok || textRenderingMode < 0 || textRenderingMode > 7)
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{
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addError(PDFTranslationContext::tr("Invalid rendering mode '%1'. Valid values are 0-7.").arg(textRenderingMode));
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}
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else
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{
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stream << textRenderingMode << " Tr" << Qt::endl;
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}
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}
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else if (isCommand("ts"))
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{
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const QXmlStreamAttribute& attribute = attributes.front();
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bool ok = false;
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const double textRise = attribute.value().toDouble(&ok);
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if (!ok)
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{
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addError(PDFTranslationContext::tr("Cannot convert text '%1' to number.").arg(attribute.value().toString()));
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}
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else
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{
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stream << textRise << " Ts" << Qt::endl;
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}
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}
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else if (isCommand("tc"))
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{
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const QXmlStreamAttribute& attribute = attributes.front();
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bool ok = false;
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const double textCharacterSpacing = attribute.value().toDouble(&ok);
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if (!ok)
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{
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addError(PDFTranslationContext::tr("Cannot convert text '%1' to number.").arg(attribute.value().toString()));
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}
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else
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{
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stream << textCharacterSpacing << " Tc" << Qt::endl;
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|
}
|
|
}
|
|
else if (isCommand("tw"))
|
|
{
|
|
const QXmlStreamAttribute& attribute = attributes.front();
|
|
bool ok = false;
|
|
const double textWordSpacing = attribute.value().toDouble(&ok);
|
|
|
|
if (!ok)
|
|
{
|
|
addError(PDFTranslationContext::tr("Cannot convert text '%1' to number.").arg(attribute.value().toString()));
|
|
}
|
|
else
|
|
{
|
|
stream << textWordSpacing << " Tw" << Qt::endl;
|
|
}
|
|
}
|
|
else if (isCommand("tl"))
|
|
{
|
|
const QXmlStreamAttribute& attribute = attributes.front();
|
|
bool ok = false;
|
|
const double textLeading = attribute.value().toDouble(&ok);
|
|
|
|
if (!ok)
|
|
{
|
|
addError(PDFTranslationContext::tr("Cannot convert text '%1' to number.").arg(attribute.value().toString()));
|
|
}
|
|
else
|
|
{
|
|
stream << textLeading << " TL" << Qt::endl;
|
|
}
|
|
}
|
|
else if (isCommand("tz"))
|
|
{
|
|
const QXmlStreamAttribute& attribute = attributes.front();
|
|
bool ok = false;
|
|
const PDFReal textScaling = attribute.value().toDouble(&ok);
|
|
|
|
if (!ok)
|
|
{
|
|
addError(PDFTranslationContext::tr("Cannot convert text '%1' to number.").arg(attribute.value().toString()));
|
|
}
|
|
else
|
|
{
|
|
stream << textScaling << " Tz" << Qt::endl;
|
|
}
|
|
}
|
|
else if (reader.name().toString() == "tf")
|
|
{
|
|
if (attributes.hasAttribute("font") && attributes.hasAttribute("size"))
|
|
{
|
|
bool ok = false;
|
|
QByteArray v1 = attributes.value("font").toString().toLatin1();
|
|
PDFReal v2 = attributes.value("size").toDouble(&ok);
|
|
|
|
if (!ok)
|
|
{
|
|
addError(PDFTranslationContext::tr("Cannot convert text '%1' to number.").arg(attributes.value("size").toString()));
|
|
}
|
|
else
|
|
{
|
|
v1 = selectFont(v1);
|
|
stream << "/" << v1 << " " << v2 << " Tf" << Qt::endl;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
addError(PDFTranslationContext::tr("Text font command requires two attributes - font and size."));
|
|
}
|
|
}
|
|
else if (reader.name().toString() == "tpos")
|
|
{
|
|
if (attributes.hasAttribute("x") && attributes.hasAttribute("y"))
|
|
{
|
|
bool ok1 = false;
|
|
bool ok2 = false;
|
|
PDFReal v1 = attributes.value("x").toDouble(&ok1);
|
|
PDFReal v2 = attributes.value("y").toDouble(&ok2);
|
|
|
|
if (!ok1)
|
|
{
|
|
addError(PDFTranslationContext::tr("Cannot convert text '%1' to number.").arg(attributes.value("x").toString()));
|
|
}
|
|
else if (!ok2)
|
|
{
|
|
addError(PDFTranslationContext::tr("Cannot convert text '%1' to number.").arg(attributes.value("y").toString()));
|
|
}
|
|
else
|
|
{
|
|
stream << v1 << " " << v2 << " Td" << Qt::endl;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
addError(PDFTranslationContext::tr("Text translation command requires two attributes - x and y."));
|
|
}
|
|
}
|
|
else if (reader.name().toString() == "tmatrix")
|
|
{
|
|
if (attributes.hasAttribute("m11") && attributes.hasAttribute("m12") &&
|
|
attributes.hasAttribute("m21") && attributes.hasAttribute("m22") &&
|
|
attributes.hasAttribute("x") && attributes.hasAttribute("y"))
|
|
{
|
|
bool ok1 = false;
|
|
bool ok2 = false;
|
|
bool ok3 = false;
|
|
bool ok4 = false;
|
|
bool ok5 = false;
|
|
bool ok6 = false;
|
|
PDFReal m11 = attributes.value("m11").toDouble(&ok1);
|
|
PDFReal m12 = attributes.value("m12").toDouble(&ok2);
|
|
PDFReal m21 = attributes.value("m21").toDouble(&ok3);
|
|
PDFReal m22 = attributes.value("m22").toDouble(&ok4);
|
|
PDFReal x = attributes.value("x").toDouble(&ok5);
|
|
PDFReal y = attributes.value("y").toDouble(&ok6);
|
|
|
|
if (!ok1 || !ok2 || !ok3 || !ok4 || !ok5 | !ok6)
|
|
{
|
|
addError(PDFTranslationContext::tr("Invalid text matrix parameters."));
|
|
}
|
|
|
|
else
|
|
{
|
|
stream << m11 << " " << m12 << " " << m21 << " " << m22 << " " << x << " " << y << " Tm" << Qt::endl;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
addError(PDFTranslationContext::tr("Set text matrix command requires six elements - m11, m12, m21, m22, x, y."));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
addError(PDFTranslationContext::tr("Invalid command '%1'.").arg(reader.name().toString()));
|
|
}
|
|
}
|
|
|
|
void PDFPageContentEditorContentStreamBuilder::writeImage(QTextStream& stream, const QImage& image)
|
|
{
|
|
QByteArray key;
|
|
|
|
int i = 0;
|
|
while (true)
|
|
{
|
|
QByteArray currentKey = QString("Im%1").arg(++i).toLatin1();
|
|
if (!m_xobjectDictionary.hasKey(currentKey))
|
|
{
|
|
PDFArray array;
|
|
array.appendItem(PDFObject::createName("FlateDecode"));
|
|
|
|
QImage codedImage = image;
|
|
codedImage = codedImage.convertToFormat(QImage::Format_ARGB32);
|
|
|
|
QByteArray decodedStream(reinterpret_cast<const char*>(image.constBits()), image.sizeInBytes());
|
|
|
|
// Compress the content stream
|
|
QByteArray compressedData = PDFFlateDecodeFilter::compress(decodedStream);
|
|
PDFDictionary imageDictionary;
|
|
imageDictionary.setEntry(PDFInplaceOrMemoryString("Subtitle"), PDFObject::createName("Image"));
|
|
imageDictionary.setEntry(PDFInplaceOrMemoryString("Width"), PDFObject::createInteger(image.width()));
|
|
imageDictionary.setEntry(PDFInplaceOrMemoryString("Height"), PDFObject::createInteger(image.height()));
|
|
imageDictionary.setEntry(PDFInplaceOrMemoryString("ColorSpace"), PDFObject::createName("DeviceRGB"));
|
|
imageDictionary.setEntry(PDFInplaceOrMemoryString("BitsPerComponent"), PDFObject::createInteger(8));
|
|
imageDictionary.setEntry(PDFInplaceOrMemoryString("Length"), PDFObject::createInteger(compressedData.size()));
|
|
imageDictionary.setEntry(PDFInplaceOrMemoryString("Filter"), PDFObject::createArray(std::make_shared<PDFArray>(qMove(array))));
|
|
PDFObject imageObject = PDFObject::createStream(std::make_shared<PDFStream>(qMove(imageDictionary), qMove(compressedData)));
|
|
|
|
m_xobjectDictionary.addEntry(PDFInplaceOrMemoryString(currentKey), std::move(imageObject));
|
|
key = currentKey;
|
|
break;
|
|
}
|
|
}
|
|
|
|
stream << "/" << key << " Do" << Qt::endl;
|
|
}
|
|
|
|
QByteArray PDFPageContentEditorContentStreamBuilder::selectFont(const QByteArray& font)
|
|
{
|
|
m_textFont = nullptr;
|
|
|
|
PDFObject fontObject = m_fontDictionary.get(font);
|
|
if (!fontObject.isNull())
|
|
{
|
|
try
|
|
{
|
|
m_textFont = PDFFont::createFont(fontObject, font, m_document);
|
|
}
|
|
catch (const PDFException&)
|
|
{
|
|
addError(PDFTranslationContext::tr("Font '%1' is invalid.").arg(QString::fromLatin1(font)));
|
|
}
|
|
}
|
|
|
|
if (!m_textFont)
|
|
{
|
|
QByteArray defaultFontKey = "PDF4QT_DefFnt";
|
|
if (!m_fontDictionary.hasKey(defaultFontKey))
|
|
{
|
|
PDFObjectFactory defaultFontFactory;
|
|
|
|
defaultFontFactory.beginDictionary();
|
|
defaultFontFactory.beginDictionaryItem("Type");
|
|
defaultFontFactory << WrapName("Font");
|
|
defaultFontFactory.endDictionaryItem();
|
|
defaultFontFactory.beginDictionaryItem("Subtype");
|
|
defaultFontFactory << WrapName("Type1");
|
|
defaultFontFactory.endDictionaryItem();
|
|
defaultFontFactory.beginDictionaryItem("BaseFont");
|
|
defaultFontFactory << WrapName("Helvetica");
|
|
defaultFontFactory.endDictionaryItem();
|
|
defaultFontFactory.beginDictionaryItem("Encoding");
|
|
defaultFontFactory << WrapName("WinAnsiEncoding");
|
|
defaultFontFactory.endDictionaryItem();
|
|
defaultFontFactory.endDictionary();
|
|
|
|
m_fontDictionary.setEntry(PDFInplaceOrMemoryString(defaultFontKey), defaultFontFactory.takeObject());
|
|
}
|
|
|
|
m_textFont = PDFFont::createFont(fontObject, font, m_document);
|
|
return defaultFontKey;
|
|
}
|
|
|
|
return font;
|
|
}
|
|
|
|
void PDFPageContentEditorContentStreamBuilder::addError(const QString& error)
|
|
{
|
|
m_errors << error;
|
|
}
|
|
|
|
void PDFPageContentEditorContentStreamBuilder::setFontDictionary(const PDFDictionary& newFontDictionary)
|
|
{
|
|
m_fontDictionary = newFontDictionary;
|
|
}
|
|
|
|
void PDFPageContentEditorContentStreamBuilder::writeStyledPath(const QPainterPath& path,
|
|
const QPen& pen,
|
|
const QBrush& brush,
|
|
bool isStroking,
|
|
bool isFilling)
|
|
{
|
|
PDFPageContentProcessorState newState = m_currentState;
|
|
newState.setCurrentTransformationMatrix(QTransform());
|
|
|
|
// TODO: Write pen/brush
|
|
|
|
QTextStream stream(&m_outputContent, QDataStream::WriteOnly | QDataStream::Append);
|
|
writeStateDifference(stream, newState);
|
|
|
|
writePainterPath(stream, path, isStroking, isFilling);
|
|
}
|
|
|
|
} // namespace pdf
|