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Editor plugin: Refactoring
This commit is contained in:
Jakub Melka
@ -24,6 +24,7 @@
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#include "pdfcertificatemanagerdialog.h"
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#include "pdfcertificatemanagerdialog.h"
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#include "pdfdocumentwriter.h"
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#include "pdfdocumentwriter.h"
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#include "pdfpagecontenteditorprocessor.h"
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#include "pdfpagecontenteditorprocessor.h"
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#include "pdfpagecontenteditorcontentstreambuilder.h"
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#include "pdfstreamfilters.h"
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#include "pdfstreamfilters.h"
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#include "pdfoptimizer.h"
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#include "pdfoptimizer.h"
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@ -213,14 +214,52 @@ bool EditorPlugin::save()
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for (const pdf::PDFPageContentElement* element : it->second)
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for (const pdf::PDFPageContentElement* element : it->second)
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{
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{
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const pdf::PDFPageContentElementEdited* editedElement = element->asElementEdited();
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const pdf::PDFPageContentElementEdited* editedElement = element->asElementEdited();
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const pdf::PDFPageContentElementRectangle* elementRectangle = element->asElementRectangle();
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const pdf::PDFPageContentElementLine* elementLine = element->asElementLine();
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const pdf::PDFPageContentElementDot* elementDot = element->asElementDot();
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const pdf::PDFPageContentElementFreehandCurve* elementFreehandCurve = element->asElementFreehandCurve();
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const pdf::PDFPageContentImageElement* elementImage = element->asElementImage();
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const pdf::PDFPageContentElementTextBox* elementTextBox = element->asElementTextBox();
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if (editedElement)
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if (editedElement)
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{
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{
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contentStreamBuilder.writeElement(editedElement->getElement());
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contentStreamBuilder.writeEditedElement(editedElement->getElement());
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}
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}
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else
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if (elementRectangle)
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{
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{
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// TODO: Implement other elements
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QRectF rect = elementRectangle->getRectangle();
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QPainterPath path;
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if (elementRectangle->isRounded())
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{
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qreal radius = qMin(rect.width(), rect.height()) * 0.25;
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path.addRoundedRect(rect, radius, radius, Qt::AbsoluteSize);
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}
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else
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{
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path.addRect(rect);
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}
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const bool stroke = elementRectangle->getPen().style() != Qt::NoPen;
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const bool fill = elementRectangle->getBrush().style() != Qt::NoBrush;
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contentStreamBuilder.writeStyledPath(path, elementRectangle->getPen(), elementRectangle->getBrush(), stroke, fill);
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}
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if (elementLine)
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{
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QLineF line = elementLine->getLine();
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QPainterPath path;
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path.moveTo(line.p1());
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path.lineTo(line.p2());
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contentStreamBuilder.writeStyledPath(path, elementLine->getPen(), elementLine->getBrush(), true, false);
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}
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if (elementFreehandCurve)
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{
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QPainterPath path = elementFreehandCurve->getCurve();
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contentStreamBuilder.writeStyledPath(path, elementFreehandCurve->getPen(), elementFreehandCurve->getBrush(), true, false);
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}
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}
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}
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}
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}
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}
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@ -150,6 +150,8 @@ add_library(Pdf4QtLibCore SHARED
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sources/pdfblpainter.cpp
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sources/pdfblpainter.cpp
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sources/pdfpagecontenteditorprocessor.h
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sources/pdfpagecontenteditorprocessor.h
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sources/pdfpagecontenteditorprocessor.cpp
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sources/pdfpagecontenteditorprocessor.cpp
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sources/pdfpagecontenteditorcontentstreambuilder.h
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sources/pdfpagecontenteditorcontentstreambuilder.cpp
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)
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)
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include(GenerateExportHeader)
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include(GenerateExportHeader)
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@ -0,0 +1,790 @@
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// 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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|
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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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|
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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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|
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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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|
|
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|
if (stateFlags.testFlag(PDFPageContentProcessorState::StateOverprint))
|
||||||
|
{
|
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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();
|
||||||
|
|
||||||
|
stateDictionary.beginDictionaryItem("OP");
|
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|
stateDictionary << overprintMode.overprintStroking;
|
||||||
|
stateDictionary.endDictionaryItem();
|
||||||
|
|
||||||
|
stateDictionary.beginDictionaryItem("op");
|
||||||
|
stateDictionary << overprintMode.overprintFilling;
|
||||||
|
stateDictionary.endDictionaryItem();
|
||||||
|
}
|
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|
|
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|
stateDictionary.endDictionary();
|
||||||
|
PDFObject stateObject = stateDictionary.takeObject();
|
||||||
|
|
||||||
|
const PDFDictionary* dictionary = m_document->getDictionaryFromObject(stateObject);
|
||||||
|
if (dictionary && dictionary->getCount() > 0)
|
||||||
|
{
|
||||||
|
// Apply state
|
||||||
|
QByteArray key;
|
||||||
|
|
||||||
|
for (size_t i = 0; i < m_graphicStateDictionary.getCount(); ++i)
|
||||||
|
{
|
||||||
|
const PDFDictionary* currentDictionary = m_document->getDictionaryFromObject(m_graphicStateDictionary.getValue(i));
|
||||||
|
if (*currentDictionary == *dictionary)
|
||||||
|
{
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||||||
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key = m_graphicStateDictionary.getKey(i).getString();
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (key.isEmpty())
|
||||||
|
{
|
||||||
|
int i = 0;
|
||||||
|
while (true)
|
||||||
|
{
|
||||||
|
QByteArray currentKey = QString("s%1").arg(++i).toLatin1();
|
||||||
|
if (!m_graphicStateDictionary.hasKey(currentKey))
|
||||||
|
{
|
||||||
|
m_graphicStateDictionary.addEntry(PDFInplaceOrMemoryString(currentKey), std::move(stateObject));
|
||||||
|
key = currentKey;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
stream << "/" << key << " gs" << Qt::endl;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void PDFPageContentEditorContentStreamBuilder::writeEditedElement(const PDFEditedPageContentElement* element)
|
||||||
|
{
|
||||||
|
PDFPageContentProcessorState state = element->getState();
|
||||||
|
state.setCurrentTransformationMatrix(element->getTransform());
|
||||||
|
|
||||||
|
QTextStream stream(&m_outputContent, QDataStream::WriteOnly | QDataStream::Append);
|
||||||
|
writeStateDifference(stream, state);
|
||||||
|
|
||||||
|
if (const PDFEditedPageContentElementImage* imageElement = element->asImage())
|
||||||
|
{
|
||||||
|
QImage image = imageElement->getImage();
|
||||||
|
|
||||||
|
writeImage(stream, image);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (const PDFEditedPageContentElementPath* pathElement = element->asPath())
|
||||||
|
{
|
||||||
|
const bool isStroking = pathElement->getStrokePath();
|
||||||
|
const bool isFilling = pathElement->getFillPath();
|
||||||
|
|
||||||
|
writePainterPath(stream, pathElement->getPath(), isStroking, isFilling);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (const PDFEditedPageContentElementText* textElement = element->asText())
|
||||||
|
{
|
||||||
|
QString text = textElement->getItemsAsText();
|
||||||
|
|
||||||
|
if (!text.isEmpty())
|
||||||
|
{
|
||||||
|
writeText(stream, text);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
stream << Qt::endl;
|
||||||
|
}
|
||||||
|
|
||||||
|
const QByteArray& PDFPageContentEditorContentStreamBuilder::getOutputContent() const
|
||||||
|
{
|
||||||
|
return m_outputContent;
|
||||||
|
}
|
||||||
|
|
||||||
|
void PDFPageContentEditorContentStreamBuilder::writePainterPath(QTextStream& stream,
|
||||||
|
const QPainterPath& path,
|
||||||
|
bool isStroking,
|
||||||
|
bool isFilling)
|
||||||
|
{
|
||||||
|
const int elementCount = path.elementCount();
|
||||||
|
|
||||||
|
for (int i = 0; i < elementCount; ++i)
|
||||||
|
{
|
||||||
|
QPainterPath::Element element = path.elementAt(i);
|
||||||
|
|
||||||
|
switch (element.type)
|
||||||
|
{
|
||||||
|
case QPainterPath::MoveToElement:
|
||||||
|
stream << element.x << " " << element.y << " m" << Qt::endl;
|
||||||
|
break;
|
||||||
|
case QPainterPath::LineToElement:
|
||||||
|
stream << element.x << " " << element.y << " l" << Qt::endl;
|
||||||
|
break;
|
||||||
|
case QPainterPath::CurveToElement:
|
||||||
|
stream << element.x << " " << element.y << " c" << Qt::endl;
|
||||||
|
break;
|
||||||
|
case QPainterPath::CurveToDataElement:
|
||||||
|
stream << element.x << " " << element.y << " ";
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (isStroking && !isFilling)
|
||||||
|
{
|
||||||
|
stream << "S" << Qt::endl;
|
||||||
|
}
|
||||||
|
else if (isStroking || isFilling)
|
||||||
|
{
|
||||||
|
switch (path.fillRule())
|
||||||
|
{
|
||||||
|
case Qt::OddEvenFill:
|
||||||
|
if (isFilling && isStroking)
|
||||||
|
{
|
||||||
|
stream << "B*" << Qt::endl;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
stream << "f*" << Qt::endl;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
case Qt::WindingFill:
|
||||||
|
if (isFilling && isStroking)
|
||||||
|
{
|
||||||
|
stream << "B" << Qt::endl;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
stream << "f" << Qt::endl;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
stream << "n" << Qt::endl;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void PDFPageContentEditorContentStreamBuilder::writeText(QTextStream& stream, const QString& text)
|
||||||
|
{
|
||||||
|
stream << "q BT" << Qt::endl;
|
||||||
|
|
||||||
|
QString xml = QString("<?xml version=\"1.0\" encoding=\"UTF-8\"?><doc>%1</doc>").arg(text);
|
||||||
|
|
||||||
|
QXmlStreamReader reader(xml);
|
||||||
|
m_textFont = m_currentState.getTextFont();
|
||||||
|
|
||||||
|
while (!reader.atEnd() && !reader.hasError())
|
||||||
|
{
|
||||||
|
reader.readNext();
|
||||||
|
|
||||||
|
switch (reader.tokenType())
|
||||||
|
{
|
||||||
|
case QXmlStreamReader::NoToken:
|
||||||
|
break;
|
||||||
|
|
||||||
|
case QXmlStreamReader::Invalid:
|
||||||
|
addError(PDFTranslationContext::tr("Invalid XML text."));
|
||||||
|
break;
|
||||||
|
|
||||||
|
case QXmlStreamReader::StartDocument:
|
||||||
|
case QXmlStreamReader::EndDocument:
|
||||||
|
case QXmlStreamReader::EndElement:
|
||||||
|
case QXmlStreamReader::Comment:
|
||||||
|
case QXmlStreamReader::DTD:
|
||||||
|
case QXmlStreamReader::ProcessingInstruction:
|
||||||
|
case QXmlStreamReader::EntityReference:
|
||||||
|
break;
|
||||||
|
|
||||||
|
case QXmlStreamReader::StartElement:
|
||||||
|
writeTextCommand(stream, reader);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case QXmlStreamReader::Characters:
|
||||||
|
{
|
||||||
|
QString characters = reader.text().toString();
|
||||||
|
|
||||||
|
if (m_textFont)
|
||||||
|
{
|
||||||
|
PDFEncodedText encodedText = m_textFont->encodeText(characters);
|
||||||
|
|
||||||
|
if (!encodedText.encodedText.isEmpty())
|
||||||
|
{
|
||||||
|
stream << "<" << encodedText.encodedText.toHex() << "> Tj" << Qt::endl;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!encodedText.isValid)
|
||||||
|
{
|
||||||
|
addError(PDFTranslationContext::tr("Error during converting text to font encoding. Some characters were not converted: '%1'.").arg(encodedText.errorString));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
addError(PDFTranslationContext::tr("Text font not defined!"));
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
default:
|
||||||
|
Q_ASSERT(false);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
stream << "ET Q" << Qt::endl;
|
||||||
|
}
|
||||||
|
|
||||||
|
void PDFPageContentEditorContentStreamBuilder::writeTextCommand(QTextStream& stream, const QXmlStreamReader& reader)
|
||||||
|
{
|
||||||
|
QXmlStreamAttributes attributes = reader.attributes();
|
||||||
|
|
||||||
|
auto isCommand = [&reader](const char* tag) -> bool
|
||||||
|
{
|
||||||
|
QString tagString = reader.name().toString();
|
||||||
|
QXmlStreamAttributes attributes = reader.attributes();
|
||||||
|
return tagString == QLatin1String(tag) && attributes.size() == 1 && attributes.hasAttribute("v");
|
||||||
|
};
|
||||||
|
|
||||||
|
if (reader.name().toString() == "doc")
|
||||||
|
{
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (isCommand("tr"))
|
||||||
|
{
|
||||||
|
const QXmlStreamAttribute& attribute = attributes.front();
|
||||||
|
bool ok = false;
|
||||||
|
const int textRenderingMode = attribute.value().toInt(&ok);
|
||||||
|
if (!ok || textRenderingMode < 0 || textRenderingMode > 7)
|
||||||
|
{
|
||||||
|
addError(PDFTranslationContext::tr("Invalid rendering mode '%1'. Valid values are 0-7.").arg(textRenderingMode));
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
stream << textRenderingMode << " Tr" << Qt::endl;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if (isCommand("ts"))
|
||||||
|
{
|
||||||
|
const QXmlStreamAttribute& attribute = attributes.front();
|
||||||
|
bool ok = false;
|
||||||
|
const double textRise = attribute.value().toDouble(&ok);
|
||||||
|
|
||||||
|
if (!ok)
|
||||||
|
{
|
||||||
|
addError(PDFTranslationContext::tr("Cannot convert text '%1' to number.").arg(attribute.value().toString()));
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
stream << textRise << " Ts" << Qt::endl;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if (isCommand("tc"))
|
||||||
|
{
|
||||||
|
const QXmlStreamAttribute& attribute = attributes.front();
|
||||||
|
bool ok = false;
|
||||||
|
const double textCharacterSpacing = attribute.value().toDouble(&ok);
|
||||||
|
|
||||||
|
if (!ok)
|
||||||
|
{
|
||||||
|
addError(PDFTranslationContext::tr("Cannot convert text '%1' to number.").arg(attribute.value().toString()));
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
stream << textCharacterSpacing << " Tc" << Qt::endl;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
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
|
||||||
@ -0,0 +1,78 @@
|
|||||||
|
// Copyright (C) 2024 Jakub Melka
|
||||||
|
//
|
||||||
|
// This file is part of PDF4QT.
|
||||||
|
//
|
||||||
|
// PDF4QT is free software: you can redistribute it and/or modify
|
||||||
|
// it under the terms of the GNU Lesser General Public License as published by
|
||||||
|
// the Free Software Foundation, either version 3 of the License, or
|
||||||
|
// with the written consent of the copyright owner, any later version.
|
||||||
|
//
|
||||||
|
// PDF4QT is distributed in the hope that it will be useful,
|
||||||
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
// GNU Lesser General Public License for more details.
|
||||||
|
//
|
||||||
|
// You should have received a copy of the GNU Lesser General Public License
|
||||||
|
// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
#ifndef PDFPAGECONTENTEDITORCONTENTSTREAMBUILDER_H
|
||||||
|
#define PDFPAGECONTENTEDITORCONTENTSTREAMBUILDER_H
|
||||||
|
|
||||||
|
#include "pdfpagecontenteditorprocessor.h"
|
||||||
|
|
||||||
|
namespace pdf
|
||||||
|
{
|
||||||
|
class PDFPageContentElement;
|
||||||
|
|
||||||
|
class PDF4QTLIBCORESHARED_EXPORT PDFPageContentEditorContentStreamBuilder
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
PDFPageContentEditorContentStreamBuilder(PDFDocument* document);
|
||||||
|
|
||||||
|
void writeStateDifference(QTextStream& stream, const PDFPageContentProcessorState& state);
|
||||||
|
void writeEditedElement(const PDFEditedPageContentElement* element);
|
||||||
|
|
||||||
|
const QByteArray& getOutputContent() const;
|
||||||
|
|
||||||
|
const PDFDictionary& getFontDictionary() const { return m_fontDictionary; }
|
||||||
|
const PDFDictionary& getXObjectDictionary() const { return m_xobjectDictionary; }
|
||||||
|
const PDFDictionary& getGraphicStateDictionary() const { return m_graphicStateDictionary; }
|
||||||
|
|
||||||
|
void setFontDictionary(const PDFDictionary& newFontDictionary);
|
||||||
|
|
||||||
|
const QStringList& getErrors() const { return m_errors; }
|
||||||
|
void clearErrors() { m_errors.clear(); }
|
||||||
|
|
||||||
|
void writeStyledPath(const QPainterPath& path,
|
||||||
|
const QPen& pen,
|
||||||
|
const QBrush& brush,
|
||||||
|
bool isStroking,
|
||||||
|
bool isFilling);
|
||||||
|
|
||||||
|
private:
|
||||||
|
void writePainterPath(QTextStream& stream,
|
||||||
|
const QPainterPath& path,
|
||||||
|
bool isStroking,
|
||||||
|
bool isFilling);
|
||||||
|
|
||||||
|
void writeText(QTextStream& stream, const QString& text);
|
||||||
|
void writeTextCommand(QTextStream& stream, const QXmlStreamReader& reader);
|
||||||
|
|
||||||
|
void writeImage(QTextStream& stream, const QImage& image);
|
||||||
|
|
||||||
|
QByteArray selectFont(const QByteArray& font);
|
||||||
|
void addError(const QString& error);
|
||||||
|
|
||||||
|
PDFDocument* m_document = nullptr;
|
||||||
|
PDFDictionary m_fontDictionary;
|
||||||
|
PDFDictionary m_xobjectDictionary;
|
||||||
|
PDFDictionary m_graphicStateDictionary;
|
||||||
|
QByteArray m_outputContent;
|
||||||
|
PDFPageContentProcessorState m_currentState;
|
||||||
|
PDFFontPointer m_textFont;
|
||||||
|
QStringList m_errors;
|
||||||
|
};
|
||||||
|
|
||||||
|
} // namespace pdf
|
||||||
|
|
||||||
|
#endif // PDFPAGECONTENTEDITORCONTENTSTREAMBUILDER_H
|
||||||
@ -16,12 +16,6 @@
|
|||||||
// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
|
// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
#include "pdfpagecontenteditorprocessor.h"
|
#include "pdfpagecontenteditorprocessor.h"
|
||||||
#include "pdfdocumentbuilder.h"
|
|
||||||
#include "pdfobject.h"
|
|
||||||
#include "pdfstreamfilters.h"
|
|
||||||
|
|
||||||
#include <QStringBuilder>
|
|
||||||
#include <QXmlStreamReader>
|
|
||||||
|
|
||||||
namespace pdf
|
namespace pdf
|
||||||
{
|
{
|
||||||
@ -786,748 +780,5 @@ void PDFEditedPageContentElementText::optimize()
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
PDFPageContentEditorContentStreamBuilder::PDFPageContentEditorContentStreamBuilder(PDFDocument* document) :
|
|
||||||
m_document(document)
|
|
||||||
{
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
void PDFPageContentEditorContentStreamBuilder::writeStateDifference(QTextStream& stream, const PDFPageContentProcessorState& state)
|
|
||||||
{
|
|
||||||
PDFPageContentProcessorState oldState = m_currentState;
|
|
||||||
m_currentState.setState(state);
|
|
||||||
|
|
||||||
auto stateFlags = m_currentState.getStateFlags();
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateCurrentTransformationMatrix))
|
|
||||||
{
|
|
||||||
QTransform oldTransform = oldState.getCurrentTransformationMatrix();
|
|
||||||
|
|
||||||
if (!oldTransform.isIdentity() && oldTransform.isInvertible())
|
|
||||||
{
|
|
||||||
oldTransform = oldTransform.inverted();
|
|
||||||
PDFReal old_m11 = oldTransform.m11();
|
|
||||||
PDFReal old_m12 = oldTransform.m12();
|
|
||||||
PDFReal old_m21 = oldTransform.m21();
|
|
||||||
PDFReal old_m22 = oldTransform.m22();
|
|
||||||
PDFReal old_x = oldTransform.dx();
|
|
||||||
PDFReal old_y = oldTransform.dy();
|
|
||||||
|
|
||||||
stream << old_m11 << " " << old_m12 << " " << old_m21 << " " << old_m22 << " " << old_x << " " << old_y << " cm" << Qt::endl;
|
|
||||||
}
|
|
||||||
|
|
||||||
QTransform transform = m_currentState.getCurrentTransformationMatrix();
|
|
||||||
|
|
||||||
PDFReal m11 = transform.m11();
|
|
||||||
PDFReal m12 = transform.m12();
|
|
||||||
PDFReal m21 = transform.m21();
|
|
||||||
PDFReal m22 = transform.m22();
|
|
||||||
PDFReal x = transform.dx();
|
|
||||||
PDFReal y = transform.dy();
|
|
||||||
|
|
||||||
stream << m11 << " " << m12 << " " << m21 << " " << m22 << " " << x << " " << y << " cm" << Qt::endl;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateLineWidth))
|
|
||||||
{
|
|
||||||
stream << m_currentState.getLineWidth() << " w" << Qt::endl;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateLineCapStyle))
|
|
||||||
{
|
|
||||||
stream << PDFPageContentProcessor::convertPenCapStyleToLineCap(m_currentState.getLineCapStyle()) << " J" << Qt::endl;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateLineJoinStyle))
|
|
||||||
{
|
|
||||||
stream << PDFPageContentProcessor::convertPenJoinStyleToLineJoin(m_currentState.getLineJoinStyle()) << " j" << Qt::endl;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateMitterLimit))
|
|
||||||
{
|
|
||||||
stream << m_currentState.getMitterLimit() << " M" << Qt::endl;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateLineDashPattern))
|
|
||||||
{
|
|
||||||
const PDFLineDashPattern& dashPattern = m_currentState.getLineDashPattern();
|
|
||||||
|
|
||||||
if (dashPattern.isSolid())
|
|
||||||
{
|
|
||||||
stream << "[] 0 d" << Qt::endl;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
stream << "[ ";
|
|
||||||
|
|
||||||
for (PDFReal arrayItem : dashPattern.getDashArray())
|
|
||||||
{
|
|
||||||
stream << arrayItem << " ";
|
|
||||||
}
|
|
||||||
|
|
||||||
stream << " ] " << dashPattern.getDashOffset() << " d" << Qt::endl;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateRenderingIntent))
|
|
||||||
{
|
|
||||||
switch (m_currentState.getRenderingIntent())
|
|
||||||
{
|
|
||||||
case pdf::RenderingIntent::Perceptual:
|
|
||||||
stream << "/Perceptual ri" << Qt::endl;
|
|
||||||
break;
|
|
||||||
case pdf::RenderingIntent::AbsoluteColorimetric:
|
|
||||||
stream << "/AbsoluteColorimetric ri" << Qt::endl;
|
|
||||||
break;
|
|
||||||
case pdf::RenderingIntent::RelativeColorimetric:
|
|
||||||
stream << "/RelativeColorimetric ri" << Qt::endl;
|
|
||||||
break;
|
|
||||||
case pdf::RenderingIntent::Saturation:
|
|
||||||
stream << "/Saturation ri" << Qt::endl;
|
|
||||||
break;
|
|
||||||
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateMitterLimit))
|
|
||||||
{
|
|
||||||
stream << m_currentState.getMitterLimit() << " M" << Qt::endl;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateFlatness))
|
|
||||||
{
|
|
||||||
stream << m_currentState.getFlatness() << " i" << Qt::endl;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateStrokeColor) ||
|
|
||||||
stateFlags.testFlag(PDFPageContentProcessorState::StateStrokeColorSpace))
|
|
||||||
{
|
|
||||||
QColor color = m_currentState.getStrokeColor();
|
|
||||||
const PDFAbstractColorSpace* strokeColorSpace = m_currentState.getStrokeColorSpace();
|
|
||||||
if (strokeColorSpace && strokeColorSpace->getColorSpace() == PDFAbstractColorSpace::ColorSpace::DeviceGray)
|
|
||||||
{
|
|
||||||
stream << qGray(color.rgb()) / 255.0 << " G" << Qt::endl;
|
|
||||||
}
|
|
||||||
else if (strokeColorSpace && strokeColorSpace->getColorSpace() == PDFAbstractColorSpace::ColorSpace::DeviceCMYK)
|
|
||||||
{
|
|
||||||
const PDFColor& strokeColorOriginal = m_currentState.getStrokeColorOriginal();
|
|
||||||
if (strokeColorOriginal.size() >= 4)
|
|
||||||
{
|
|
||||||
stream << strokeColorOriginal[0] << " " << strokeColorOriginal[1] << " " << strokeColorOriginal[2] << " " << strokeColorOriginal[3] << " K" << Qt::endl;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
stream << color.redF() << " " << color.greenF() << " " << color.blueF() << " RG" << Qt::endl;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateFillColor) ||
|
|
||||||
stateFlags.testFlag(PDFPageContentProcessorState::StateFillColorSpace))
|
|
||||||
{
|
|
||||||
QColor color = m_currentState.getFillColor();
|
|
||||||
const PDFAbstractColorSpace* fillColorSpace = m_currentState.getFillColorSpace();
|
|
||||||
if (fillColorSpace && fillColorSpace->getColorSpace() == PDFAbstractColorSpace::ColorSpace::DeviceGray)
|
|
||||||
{
|
|
||||||
stream << qGray(color.rgb()) / 255.0 << " G" << Qt::endl;
|
|
||||||
}
|
|
||||||
else if (fillColorSpace && fillColorSpace->getColorSpace() == PDFAbstractColorSpace::ColorSpace::DeviceCMYK)
|
|
||||||
{
|
|
||||||
const PDFColor& fillColor = m_currentState.getFillColorOriginal();
|
|
||||||
if (fillColor.size() >= 4)
|
|
||||||
{
|
|
||||||
stream << fillColor[0] << " " << fillColor[1] << " " << fillColor[2] << " " << fillColor[3] << " K" << Qt::endl;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
stream << color.redF() << " " << color.greenF() << " " << color.blueF() << " RG" << Qt::endl;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
m_currentState.setStateFlags(PDFPageContentProcessorState::StateFlags());
|
|
||||||
|
|
||||||
|
|
||||||
PDFObjectFactory stateDictionary;
|
|
||||||
stateDictionary.beginDictionary();
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateSmoothness))
|
|
||||||
{
|
|
||||||
stateDictionary.beginDictionaryItem("SM");
|
|
||||||
stateDictionary << m_currentState.getSmoothness();
|
|
||||||
stateDictionary.endDictionaryItem();
|
|
||||||
}
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateAlphaStroking))
|
|
||||||
{
|
|
||||||
stateDictionary.beginDictionaryItem("CA");
|
|
||||||
stateDictionary << m_currentState.getAlphaStroking();
|
|
||||||
stateDictionary.endDictionaryItem();
|
|
||||||
}
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateAlphaFilling))
|
|
||||||
{
|
|
||||||
stateDictionary.beginDictionaryItem("ca");
|
|
||||||
stateDictionary << m_currentState.getAlphaFilling();
|
|
||||||
stateDictionary.endDictionaryItem();
|
|
||||||
}
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateAlphaIsShape))
|
|
||||||
{
|
|
||||||
stateDictionary.beginDictionaryItem("AIS");
|
|
||||||
stateDictionary << m_currentState.getAlphaIsShape();
|
|
||||||
stateDictionary.endDictionaryItem();
|
|
||||||
}
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateTextKnockout))
|
|
||||||
{
|
|
||||||
stateDictionary.beginDictionaryItem("TK");
|
|
||||||
stateDictionary << m_currentState.getTextKnockout();
|
|
||||||
stateDictionary.endDictionaryItem();
|
|
||||||
}
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateStrokeAdjustment))
|
|
||||||
{
|
|
||||||
stateDictionary.beginDictionaryItem("SA");
|
|
||||||
stateDictionary << m_currentState.getStrokeAdjustment();
|
|
||||||
stateDictionary.endDictionaryItem();
|
|
||||||
}
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateBlendMode))
|
|
||||||
{
|
|
||||||
QString blendModeName = PDFBlendModeInfo::getBlendModeName(m_currentState.getBlendMode());
|
|
||||||
|
|
||||||
stateDictionary.beginDictionaryItem("BM");
|
|
||||||
stateDictionary << WrapName(blendModeName.toLatin1());
|
|
||||||
stateDictionary.endDictionaryItem();
|
|
||||||
}
|
|
||||||
|
|
||||||
if (stateFlags.testFlag(PDFPageContentProcessorState::StateOverprint))
|
|
||||||
{
|
|
||||||
PDFOverprintMode overprintMode = m_currentState.getOverprintMode();
|
|
||||||
|
|
||||||
stateDictionary.beginDictionaryItem("OPM");
|
|
||||||
stateDictionary << overprintMode.overprintMode;
|
|
||||||
stateDictionary.endDictionaryItem();
|
|
||||||
|
|
||||||
stateDictionary.beginDictionaryItem("OP");
|
|
||||||
stateDictionary << overprintMode.overprintStroking;
|
|
||||||
stateDictionary.endDictionaryItem();
|
|
||||||
|
|
||||||
stateDictionary.beginDictionaryItem("op");
|
|
||||||
stateDictionary << overprintMode.overprintFilling;
|
|
||||||
stateDictionary.endDictionaryItem();
|
|
||||||
}
|
|
||||||
|
|
||||||
stateDictionary.endDictionary();
|
|
||||||
PDFObject stateObject = stateDictionary.takeObject();
|
|
||||||
|
|
||||||
const PDFDictionary* dictionary = m_document->getDictionaryFromObject(stateObject);
|
|
||||||
if (dictionary && dictionary->getCount() > 0)
|
|
||||||
{
|
|
||||||
// Apply state
|
|
||||||
QByteArray key;
|
|
||||||
|
|
||||||
for (size_t i = 0; i < m_graphicStateDictionary.getCount(); ++i)
|
|
||||||
{
|
|
||||||
const PDFDictionary* currentDictionary = m_document->getDictionaryFromObject(m_graphicStateDictionary.getValue(i));
|
|
||||||
if (*currentDictionary == *dictionary)
|
|
||||||
{
|
|
||||||
key = m_graphicStateDictionary.getKey(i).getString();
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (key.isEmpty())
|
|
||||||
{
|
|
||||||
int i = 0;
|
|
||||||
while (true)
|
|
||||||
{
|
|
||||||
QByteArray currentKey = QString("s%1").arg(++i).toLatin1();
|
|
||||||
if (!m_graphicStateDictionary.hasKey(currentKey))
|
|
||||||
{
|
|
||||||
m_graphicStateDictionary.addEntry(PDFInplaceOrMemoryString(currentKey), std::move(stateObject));
|
|
||||||
key = currentKey;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
stream << "/" << key << " gs" << Qt::endl;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void PDFPageContentEditorContentStreamBuilder::writeElement(const PDFEditedPageContentElement* element)
|
|
||||||
{
|
|
||||||
PDFPageContentProcessorState state = element->getState();
|
|
||||||
state.setCurrentTransformationMatrix(element->getTransform());
|
|
||||||
|
|
||||||
QTextStream stream(&m_outputContent, QDataStream::WriteOnly | QDataStream::Append);
|
|
||||||
writeStateDifference(stream, state);
|
|
||||||
|
|
||||||
if (const PDFEditedPageContentElementImage* imageElement = element->asImage())
|
|
||||||
{
|
|
||||||
QImage image = imageElement->getImage();
|
|
||||||
|
|
||||||
writeImage(stream, image);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (const PDFEditedPageContentElementPath* pathElement = element->asPath())
|
|
||||||
{
|
|
||||||
const bool isStroking = pathElement->getStrokePath();
|
|
||||||
const bool isFilling = pathElement->getFillPath();
|
|
||||||
|
|
||||||
writePainterPath(stream, pathElement->getPath(), isStroking, isFilling);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (const PDFEditedPageContentElementText* textElement = element->asText())
|
|
||||||
{
|
|
||||||
QString text = textElement->getItemsAsText();
|
|
||||||
|
|
||||||
if (!text.isEmpty())
|
|
||||||
{
|
|
||||||
writeText(stream, text);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
stream << Qt::endl;
|
|
||||||
}
|
|
||||||
|
|
||||||
const QByteArray& PDFPageContentEditorContentStreamBuilder::getOutputContent() const
|
|
||||||
{
|
|
||||||
return m_outputContent;
|
|
||||||
}
|
|
||||||
|
|
||||||
void PDFPageContentEditorContentStreamBuilder::writePainterPath(QTextStream& stream,
|
|
||||||
const QPainterPath& path,
|
|
||||||
bool isStroking,
|
|
||||||
bool isFilling)
|
|
||||||
{
|
|
||||||
const int elementCount = path.elementCount();
|
|
||||||
|
|
||||||
for (int i = 0; i < elementCount; ++i)
|
|
||||||
{
|
|
||||||
QPainterPath::Element element = path.elementAt(i);
|
|
||||||
|
|
||||||
switch (element.type)
|
|
||||||
{
|
|
||||||
case QPainterPath::MoveToElement:
|
|
||||||
stream << element.x << " " << element.y << " m" << Qt::endl;
|
|
||||||
break;
|
|
||||||
case QPainterPath::LineToElement:
|
|
||||||
stream << element.x << " " << element.y << " l" << Qt::endl;
|
|
||||||
break;
|
|
||||||
case QPainterPath::CurveToElement:
|
|
||||||
stream << element.x << " " << element.y << " c" << Qt::endl;
|
|
||||||
break;
|
|
||||||
case QPainterPath::CurveToDataElement:
|
|
||||||
stream << element.x << " " << element.y << " ";
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (isStroking && !isFilling)
|
|
||||||
{
|
|
||||||
stream << "S" << Qt::endl;
|
|
||||||
}
|
|
||||||
else if (isStroking || isFilling)
|
|
||||||
{
|
|
||||||
switch (path.fillRule())
|
|
||||||
{
|
|
||||||
case Qt::OddEvenFill:
|
|
||||||
if (isFilling && isStroking)
|
|
||||||
{
|
|
||||||
stream << "B*" << Qt::endl;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
stream << "f*" << Qt::endl;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
case Qt::WindingFill:
|
|
||||||
if (isFilling && isStroking)
|
|
||||||
{
|
|
||||||
stream << "B" << Qt::endl;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
stream << "f" << Qt::endl;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
stream << "n" << Qt::endl;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void PDFPageContentEditorContentStreamBuilder::writeText(QTextStream& stream, const QString& text)
|
|
||||||
{
|
|
||||||
stream << "q BT" << Qt::endl;
|
|
||||||
|
|
||||||
QString xml = QString("<?xml version=\"1.0\" encoding=\"UTF-8\"?><doc>%1</doc>").arg(text);
|
|
||||||
|
|
||||||
QXmlStreamReader reader(xml);
|
|
||||||
m_textFont = m_currentState.getTextFont();
|
|
||||||
|
|
||||||
while (!reader.atEnd() && !reader.hasError())
|
|
||||||
{
|
|
||||||
reader.readNext();
|
|
||||||
|
|
||||||
switch (reader.tokenType())
|
|
||||||
{
|
|
||||||
case QXmlStreamReader::NoToken:
|
|
||||||
break;
|
|
||||||
|
|
||||||
case QXmlStreamReader::Invalid:
|
|
||||||
addError(PDFTranslationContext::tr("Invalid XML text."));
|
|
||||||
break;
|
|
||||||
|
|
||||||
case QXmlStreamReader::StartDocument:
|
|
||||||
case QXmlStreamReader::EndDocument:
|
|
||||||
case QXmlStreamReader::EndElement:
|
|
||||||
case QXmlStreamReader::Comment:
|
|
||||||
case QXmlStreamReader::DTD:
|
|
||||||
case QXmlStreamReader::ProcessingInstruction:
|
|
||||||
case QXmlStreamReader::EntityReference:
|
|
||||||
break;
|
|
||||||
|
|
||||||
case QXmlStreamReader::StartElement:
|
|
||||||
writeTextCommand(stream, reader);
|
|
||||||
break;
|
|
||||||
|
|
||||||
case QXmlStreamReader::Characters:
|
|
||||||
{
|
|
||||||
QString characters = reader.text().toString();
|
|
||||||
|
|
||||||
if (m_textFont)
|
|
||||||
{
|
|
||||||
PDFEncodedText encodedText = m_textFont->encodeText(characters);
|
|
||||||
|
|
||||||
if (!encodedText.encodedText.isEmpty())
|
|
||||||
{
|
|
||||||
stream << "<" << encodedText.encodedText.toHex() << "> Tj" << Qt::endl;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!encodedText.isValid)
|
|
||||||
{
|
|
||||||
addError(PDFTranslationContext::tr("Error during converting text to font encoding. Some characters were not converted: '%1'.").arg(encodedText.errorString));
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
addError(PDFTranslationContext::tr("Text font not defined!"));
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
default:
|
|
||||||
Q_ASSERT(false);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
stream << "ET Q" << Qt::endl;
|
|
||||||
}
|
|
||||||
|
|
||||||
void PDFPageContentEditorContentStreamBuilder::writeTextCommand(QTextStream& stream, const QXmlStreamReader& reader)
|
|
||||||
{
|
|
||||||
QXmlStreamAttributes attributes = reader.attributes();
|
|
||||||
|
|
||||||
auto isCommand = [&reader](const char* tag) -> bool
|
|
||||||
{
|
|
||||||
QString tagString = reader.name().toString();
|
|
||||||
QXmlStreamAttributes attributes = reader.attributes();
|
|
||||||
return tagString == QLatin1String(tag) && attributes.size() == 1 && attributes.hasAttribute("v");
|
|
||||||
};
|
|
||||||
|
|
||||||
if (reader.name().toString() == "doc")
|
|
||||||
{
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (isCommand("tr"))
|
|
||||||
{
|
|
||||||
const QXmlStreamAttribute& attribute = attributes.front();
|
|
||||||
bool ok = false;
|
|
||||||
const int textRenderingMode = attribute.value().toInt(&ok);
|
|
||||||
if (!ok || textRenderingMode < 0 || textRenderingMode > 7)
|
|
||||||
{
|
|
||||||
addError(PDFTranslationContext::tr("Invalid rendering mode '%1'. Valid values are 0-7.").arg(textRenderingMode));
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
stream << textRenderingMode << " Tr" << Qt::endl;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else if (isCommand("ts"))
|
|
||||||
{
|
|
||||||
const QXmlStreamAttribute& attribute = attributes.front();
|
|
||||||
bool ok = false;
|
|
||||||
const double textRise = attribute.value().toDouble(&ok);
|
|
||||||
|
|
||||||
if (!ok)
|
|
||||||
{
|
|
||||||
addError(PDFTranslationContext::tr("Cannot convert text '%1' to number.").arg(attribute.value().toString()));
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
stream << textRise << " Ts" << Qt::endl;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else if (isCommand("tc"))
|
|
||||||
{
|
|
||||||
const QXmlStreamAttribute& attribute = attributes.front();
|
|
||||||
bool ok = false;
|
|
||||||
const double textCharacterSpacing = attribute.value().toDouble(&ok);
|
|
||||||
|
|
||||||
if (!ok)
|
|
||||||
{
|
|
||||||
addError(PDFTranslationContext::tr("Cannot convert text '%1' to number.").arg(attribute.value().toString()));
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
stream << textCharacterSpacing << " Tc" << Qt::endl;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
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;
|
|
||||||
}
|
|
||||||
|
|
||||||
} // namespace pdf
|
} // namespace pdf
|
||||||
|
|||||||
@ -1,4 +1,4 @@
|
|||||||
// Copyright (C) 2023 Jakub Melka
|
// Copyright (C) 2023-2024 Jakub Melka
|
||||||
//
|
//
|
||||||
// This file is part of PDF4QT.
|
// This file is part of PDF4QT.
|
||||||
//
|
//
|
||||||
@ -212,49 +212,6 @@ private:
|
|||||||
PDFDictionary m_xobjectDictionary;
|
PDFDictionary m_xobjectDictionary;
|
||||||
};
|
};
|
||||||
|
|
||||||
class PDF4QTLIBCORESHARED_EXPORT PDFPageContentEditorContentStreamBuilder
|
|
||||||
{
|
|
||||||
public:
|
|
||||||
PDFPageContentEditorContentStreamBuilder(PDFDocument* document);
|
|
||||||
|
|
||||||
void writeStateDifference(QTextStream& stream, const PDFPageContentProcessorState& state);
|
|
||||||
void writeElement(const PDFEditedPageContentElement* element);
|
|
||||||
|
|
||||||
const QByteArray& getOutputContent() const;
|
|
||||||
|
|
||||||
const PDFDictionary& getFontDictionary() const { return m_fontDictionary; }
|
|
||||||
const PDFDictionary& getXObjectDictionary() const { return m_xobjectDictionary; }
|
|
||||||
const PDFDictionary& getGraphicStateDictionary() const { return m_graphicStateDictionary; }
|
|
||||||
|
|
||||||
void setFontDictionary(const PDFDictionary& newFontDictionary);
|
|
||||||
|
|
||||||
const QStringList& getErrors() const { return m_errors; }
|
|
||||||
void clearErrors() { m_errors.clear(); }
|
|
||||||
|
|
||||||
private:
|
|
||||||
void writePainterPath(QTextStream& stream,
|
|
||||||
const QPainterPath& path,
|
|
||||||
bool isStroking,
|
|
||||||
bool isFilling);
|
|
||||||
|
|
||||||
void writeText(QTextStream& stream, const QString& text);
|
|
||||||
void writeTextCommand(QTextStream& stream, const QXmlStreamReader& reader);
|
|
||||||
|
|
||||||
void writeImage(QTextStream& stream, const QImage& image);
|
|
||||||
|
|
||||||
QByteArray selectFont(const QByteArray& font);
|
|
||||||
void addError(const QString& error);
|
|
||||||
|
|
||||||
PDFDocument* m_document = nullptr;
|
|
||||||
PDFDictionary m_fontDictionary;
|
|
||||||
PDFDictionary m_xobjectDictionary;
|
|
||||||
PDFDictionary m_graphicStateDictionary;
|
|
||||||
QByteArray m_outputContent;
|
|
||||||
PDFPageContentProcessorState m_currentState;
|
|
||||||
PDFFontPointer m_textFont;
|
|
||||||
QStringList m_errors;
|
|
||||||
};
|
|
||||||
|
|
||||||
class PDF4QTLIBCORESHARED_EXPORT PDFPageContentEditorProcessor : public PDFPageContentProcessor
|
class PDF4QTLIBCORESHARED_EXPORT PDFPageContentEditorProcessor : public PDFPageContentProcessor
|
||||||
{
|
{
|
||||||
using BaseClass = PDFPageContentProcessor;
|
using BaseClass = PDFPageContentProcessor;
|
||||||
|
|||||||
@ -384,6 +384,7 @@ void PDFPageContentScene::clear()
|
|||||||
{
|
{
|
||||||
m_manipulator.reset();
|
m_manipulator.reset();
|
||||||
m_elements.clear();
|
m_elements.clear();
|
||||||
|
m_firstFreeId = 1;
|
||||||
Q_EMIT sceneChanged(false);
|
Q_EMIT sceneChanged(false);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@ -1,4 +1,4 @@
|
|||||||
// Copyright (C) 2022 Jakub Melka
|
// Copyright (C) 2022-2024 Jakub Melka
|
||||||
//
|
//
|
||||||
// This file is part of PDF4QT.
|
// This file is part of PDF4QT.
|
||||||
//
|
//
|
||||||
@ -39,6 +39,12 @@ class PDFDocument;
|
|||||||
class PDFPageContentScene;
|
class PDFPageContentScene;
|
||||||
class PDFEditedPageContentElement;
|
class PDFEditedPageContentElement;
|
||||||
class PDFPageContentElementEdited;
|
class PDFPageContentElementEdited;
|
||||||
|
class PDFPageContentElementRectangle;
|
||||||
|
class PDFPageContentElementLine;
|
||||||
|
class PDFPageContentElementDot;
|
||||||
|
class PDFPageContentElementFreehandCurve;
|
||||||
|
class PDFPageContentImageElement;
|
||||||
|
class PDFPageContentElementTextBox;
|
||||||
|
|
||||||
class PDF4QTLIBWIDGETSSHARED_EXPORT PDFPageContentElement
|
class PDF4QTLIBWIDGETSSHARED_EXPORT PDFPageContentElement
|
||||||
{
|
{
|
||||||
@ -106,6 +112,12 @@ public:
|
|||||||
};
|
};
|
||||||
|
|
||||||
virtual const PDFPageContentElementEdited* asElementEdited() const { return nullptr; }
|
virtual const PDFPageContentElementEdited* asElementEdited() const { return nullptr; }
|
||||||
|
virtual const PDFPageContentElementRectangle* asElementRectangle() const { return nullptr; }
|
||||||
|
virtual const PDFPageContentElementLine* asElementLine() const { return nullptr; }
|
||||||
|
virtual const PDFPageContentElementDot* asElementDot() const { return nullptr ; }
|
||||||
|
virtual const PDFPageContentElementFreehandCurve* asElementFreehandCurve() const { return nullptr; }
|
||||||
|
virtual const PDFPageContentImageElement* asElementImage() const { return nullptr; }
|
||||||
|
virtual const PDFPageContentElementTextBox* asElementTextBox() const { return nullptr; }
|
||||||
|
|
||||||
protected:
|
protected:
|
||||||
uint getRectangleManipulationMode(const QRectF& rectangle,
|
uint getRectangleManipulationMode(const QRectF& rectangle,
|
||||||
@ -168,6 +180,7 @@ public:
|
|||||||
virtual QRectF getBoundingBox() const override;
|
virtual QRectF getBoundingBox() const override;
|
||||||
virtual void setSize(QSizeF size) override;
|
virtual void setSize(QSizeF size) override;
|
||||||
virtual QString getDescription() const override;
|
virtual QString getDescription() const override;
|
||||||
|
virtual const PDFPageContentElementRectangle* asElementRectangle() const override { return this; }
|
||||||
|
|
||||||
private:
|
private:
|
||||||
bool m_rounded = false;
|
bool m_rounded = false;
|
||||||
@ -202,6 +215,7 @@ public:
|
|||||||
virtual QRectF getBoundingBox() const override;
|
virtual QRectF getBoundingBox() const override;
|
||||||
virtual void setSize(QSizeF size) override;
|
virtual void setSize(QSizeF size) override;
|
||||||
virtual QString getDescription() const override;
|
virtual QString getDescription() const override;
|
||||||
|
virtual const PDFPageContentElementLine* asElementLine() const override { return this; }
|
||||||
|
|
||||||
LineGeometry getGeometry() const;
|
LineGeometry getGeometry() const;
|
||||||
void setGeometry(LineGeometry newGeometry);
|
void setGeometry(LineGeometry newGeometry);
|
||||||
@ -235,6 +249,7 @@ public:
|
|||||||
virtual QRectF getBoundingBox() const override;
|
virtual QRectF getBoundingBox() const override;
|
||||||
virtual void setSize(QSizeF size) override;
|
virtual void setSize(QSizeF size) override;
|
||||||
virtual QString getDescription() const override;
|
virtual QString getDescription() const override;
|
||||||
|
virtual const PDFPageContentElementDot* asElementDot() const override { return this; }
|
||||||
|
|
||||||
QPointF getPoint() const;
|
QPointF getPoint() const;
|
||||||
void setPoint(QPointF newPoint);
|
void setPoint(QPointF newPoint);
|
||||||
@ -264,6 +279,7 @@ public:
|
|||||||
virtual QRectF getBoundingBox() const override;
|
virtual QRectF getBoundingBox() const override;
|
||||||
virtual void setSize(QSizeF size);
|
virtual void setSize(QSizeF size);
|
||||||
virtual QString getDescription() const override;
|
virtual QString getDescription() const override;
|
||||||
|
virtual const PDFPageContentElementFreehandCurve* asElementFreehandCurve() const override { return this; }
|
||||||
|
|
||||||
QPainterPath getCurve() const;
|
QPainterPath getCurve() const;
|
||||||
void setCurve(QPainterPath newCurve);
|
void setCurve(QPainterPath newCurve);
|
||||||
@ -299,6 +315,7 @@ public:
|
|||||||
virtual QRectF getBoundingBox() const override;
|
virtual QRectF getBoundingBox() const override;
|
||||||
virtual void setSize(QSizeF size);
|
virtual void setSize(QSizeF size);
|
||||||
virtual QString getDescription() const override;
|
virtual QString getDescription() const override;
|
||||||
|
virtual const PDFPageContentImageElement* asElementImage() const override { return this; }
|
||||||
|
|
||||||
const QByteArray& getContent() const;
|
const QByteArray& getContent() const;
|
||||||
void setContent(const QByteArray& newContent);
|
void setContent(const QByteArray& newContent);
|
||||||
@ -337,6 +354,7 @@ public:
|
|||||||
virtual QRectF getBoundingBox() const override;
|
virtual QRectF getBoundingBox() const override;
|
||||||
virtual void setSize(QSizeF size) override;
|
virtual void setSize(QSizeF size) override;
|
||||||
virtual QString getDescription() const override;
|
virtual QString getDescription() const override;
|
||||||
|
virtual const PDFPageContentElementTextBox* asElementTextBox() const override { return this; }
|
||||||
|
|
||||||
const QString& getText() const;
|
const QString& getText() const;
|
||||||
void setText(const QString& newText);
|
void setText(const QString& newText);
|
||||||
|
|||||||
Reference in New Issue
Block a user