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Output preview plugin

This commit is contained in:
Jakub Melka 2021-01-30 18:54:38 +01:00
parent 1a13aa4e22
commit 8d6b47dbd4
12 changed files with 525 additions and 3 deletions
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17
Pdf4QtLib/sources/pdftransparencyrenderer.cpp
View File

@ -762,6 +762,7 @@ PDFInkMapper::PDFInkMapper(const PDFDocument* document) :
void PDFInkMapper::createSpotColors(bool activate)
{
m_spotColors.clear();
m_activeSpotColors = 0;
const PDFCatalog* catalog = m_document->getCatalog();
const size_t pageCount = catalog->getPageCount();
@ -821,7 +822,7 @@ void PDFInkMapper::createSpotColors(bool activate)
{
SpotColorInfo info;
info.name = colorantInfo.name;
info.index = i;
info.index = uint32_t(i);
info.colorSpace = colorSpacePointer;
m_spotColors.emplace_back(qMove(info));
}
@ -841,11 +842,12 @@ void PDFInkMapper::createSpotColors(bool activate)
if (activate)
{
size_t minIndex = qMin<uint32_t>(m_spotColors.size(), MAX_SPOT_COLOR_COMPONENTS);
size_t minIndex = qMin<uint32_t>(uint32_t(m_spotColors.size()), MAX_SPOT_COLOR_COMPONENTS);
for (size_t i = 0; i < minIndex; ++i)
{
m_spotColors[i].active = true;
}
m_activeSpotColors = minIndex;
}
}
@ -854,4 +856,15 @@ bool PDFInkMapper::containsSpotColor(const QByteArray& colorName) const
return getSpotColor(colorName) != nullptr;
}
const PDFInkMapper::SpotColorInfo* PDFInkMapper::getSpotColor(const QByteArray& colorName) const
{
auto it = std::find_if(m_spotColors.cbegin(), m_spotColors.cend(), [&colorName](const auto& info) { return info.name == colorName; });
if (it != m_spotColors.cend())
{
return &*it;
}
return nullptr;
}
} // namespace pdf

8
Pdf4QtLib/sources/pdftransparencyrenderer.h
View File

@ -262,10 +262,18 @@ public:
/// \param colorName Color name
bool containsSpotColor(const QByteArray& colorName) const;
/// Returns number of active spot colors
size_t getActiveSpotColorCount() const { return m_activeSpotColors; }
/// Returns spot color information (or nullptr, if spot color is not present)
/// \param colorName Color name
const SpotColorInfo* getSpotColor(const QByteArray& colorName) const;
private:
const PDFDocument* m_document;
std::vector<SpotColorInfo> m_spotColors;
size_t m_activeSpotColors = 0;
};
/// Renders PDF pages with transparency, using 32-bit floating point precision.

7
Pdf4QtViewerPlugins/OutputPreviewPlugin/OutputPreviewPlugin.json Normal file
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@ -0,0 +1,7 @@
{
"Name" : "OutputPreview",
"Author" : "Jakub Melka",
"Version" : "1.0.0",
"License" : "LGPL v3",
"Description" : "View prepress output preview (overprint, spot colors, advanced transparency)."
}

52
Pdf4QtViewerPlugins/OutputPreviewPlugin/OutputPreviewPlugin.pro Normal file
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@ -0,0 +1,52 @@
# Copyright (C) 2021 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
# (at your option) 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/>.
TEMPLATE = lib
DEFINES += OUTPUTPREVIEWPLUGIN_LIBRARY
QT += gui widgets
LIBS += -L$$OUT_PWD/../..
LIBS += -lPdf4QtLib
QMAKE_CXXFLAGS += /std:c++latest /utf-8
INCLUDEPATH += $$PWD/../../Pdf4QtLib/Sources
DESTDIR = $$OUT_PWD/../../pdfplugins
CONFIG += c++11
SOURCES += \
outputpreviewdialog.cpp \
outputpreviewplugin.cpp
HEADERS += \
outputpreviewdialog.h \
outputpreviewplugin.h
CONFIG += force_debug_info
DISTFILES += \
OutputPreviewPlugin.json
RESOURCES += \
icons.qrc
FORMS += \
outputpreviewdialog.ui

5
Pdf4QtViewerPlugins/OutputPreviewPlugin/icons.qrc Normal file
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@ -0,0 +1,5 @@
<RCC>
<qresource prefix="/pdfplugins/outputpreview">
<file>preview.svg</file>
</qresource>
</RCC>

36
Pdf4QtViewerPlugins/OutputPreviewPlugin/outputpreviewdialog.cpp Normal file
View File

@ -0,0 +1,36 @@
// Copyright (C) 2021 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
// (at your option) 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/>.
#include "outputpreviewdialog.h"
#include "ui_outputpreviewdialog.h"
namespace pdfplugin
{
OutputPreviewDialog::OutputPreviewDialog(QWidget* parent) :
QDialog(parent),
ui(new Ui::OutputPreviewDialog)
{
ui->setupUi(this);
}
OutputPreviewDialog::~OutputPreviewDialog()
{
delete ui;
}
} // namespace pdfplugin

45
Pdf4QtViewerPlugins/OutputPreviewPlugin/outputpreviewdialog.h Normal file
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@ -0,0 +1,45 @@
// Copyright (C) 2021 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
// (at your option) 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 OUTPUTPREVIEWDIALOG_H
#define OUTPUTPREVIEWDIALOG_H
#include <QDialog>
namespace Ui
{
class OutputPreviewDialog;
}
namespace pdfplugin
{
class OutputPreviewDialog : public QDialog
{
Q_OBJECT
public:
explicit OutputPreviewDialog(QWidget* parent);
virtual ~OutputPreviewDialog() override;
private:
Ui::OutputPreviewDialog* ui;
};
} // namespace pdf
#endif // OUTPUTPREVIEWDIALOG_H

132
Pdf4QtViewerPlugins/OutputPreviewPlugin/outputpreviewdialog.ui Normal file
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@ -0,0 +1,132 @@
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>OutputPreviewDialog</class>
<widget class="QDialog" name="OutputPreviewDialog">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>852</width>
<height>503</height>
</rect>
</property>
<property name="windowTitle">
<string>Output Preview</string>
</property>
<layout class="QVBoxLayout" name="outputPreviewDialogLayout">
<item>
<layout class="QHBoxLayout" name="horizontalLayout" stretch="3,1">
<item>
<widget class="QFrame" name="frame">
<property name="frameShape">
<enum>QFrame::StyledPanel</enum>
</property>
<property name="frameShadow">
<enum>QFrame::Raised</enum>
</property>
<layout class="QHBoxLayout" name="frameViewLayout">
<property name="spacing">
<number>0</number>
</property>
<property name="leftMargin">
<number>0</number>
</property>
<property name="topMargin">
<number>0</number>
</property>
<property name="rightMargin">
<number>0</number>
</property>
<property name="bottomMargin">
<number>0</number>
</property>
<item>
<widget class="QLabel" name="imageLabel">
<property name="text">
<string/>
</property>
</widget>
</item>
<item>
<widget class="QScrollBar" name="verticalScrollBar">
<property name="orientation">
<enum>Qt::Vertical</enum>
</property>
</widget>
</item>
</layout>
</widget>
</item>
<item>
<layout class="QVBoxLayout" name="verticalLayout">
<item>
<widget class="QGroupBox" name="settingsGroupBox">
<property name="title">
<string>Settings</string>
</property>
</widget>
</item>
<item>
<widget class="QGroupBox" name="inksGroupBox">
<property name="title">
<string>Inks</string>
</property>
<layout class="QVBoxLayout" name="verticalLayout_3">
<item>
<widget class="QTreeView" name="treeView"/>
</item>
</layout>
</widget>
</item>
</layout>
</item>
</layout>
</item>
<item>
<widget class="QDialogButtonBox" name="buttonBox">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="standardButtons">
<set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
</property>
</widget>
</item>
</layout>
</widget>
<resources/>
<connections>
<connection>
<sender>buttonBox</sender>
<signal>accepted()</signal>
<receiver>OutputPreviewDialog</receiver>
<slot>accept()</slot>
<hints>
<hint type="sourcelabel">
<x>248</x>
<y>254</y>
</hint>
<hint type="destinationlabel">
<x>157</x>
<y>274</y>
</hint>
</hints>
</connection>
<connection>
<sender>buttonBox</sender>
<signal>rejected()</signal>
<receiver>OutputPreviewDialog</receiver>
<slot>reject()</slot>
<hints>
<hint type="sourcelabel">
<x>316</x>
<y>260</y>
</hint>
<hint type="destinationlabel">
<x>286</x>
<y>274</y>
</hint>
</hints>
</connection>
</connections>
</ui>

74
Pdf4QtViewerPlugins/OutputPreviewPlugin/outputpreviewplugin.cpp Normal file
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@ -0,0 +1,74 @@
// Copyright (C) 2021 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
// (at your option) 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/>.
#include "outputpreviewplugin.h"
#include "outputpreviewdialog.h"
#include "pdfdrawwidget.h"
#include <QAction>
namespace pdfplugin
{
OutputPreviewPlugin::OutputPreviewPlugin() :
pdf::PDFPlugin(nullptr),
m_outputPreviewAction(nullptr)
{
}
void OutputPreviewPlugin::setWidget(pdf::PDFWidget* widget)
{
Q_ASSERT(!m_widget);
BaseClass::setWidget(widget);
m_outputPreviewAction = new QAction(QIcon(":/pdfplugins/outputpreview/preview.svg"), tr("Output Preview"), this);
m_outputPreviewAction->setObjectName("actionOutputPreview_OutputPreview");
connect(m_outputPreviewAction, &QAction::triggered, this, &OutputPreviewPlugin::onOutputPreviewTriggered);
updateActions();
}
void OutputPreviewPlugin::setDocument(const pdf::PDFModifiedDocument& document)
{
BaseClass::setDocument(document);
if (document.hasReset())
{
updateActions();
}
}
std::vector<QAction*> OutputPreviewPlugin::getActions() const
{
return { m_outputPreviewAction };
}
void OutputPreviewPlugin::onOutputPreviewTriggered()
{
OutputPreviewDialog dialog(m_widget);
dialog.exec();
}
void OutputPreviewPlugin::updateActions()
{
m_outputPreviewAction->setEnabled(m_widget && m_document);
}
}

52
Pdf4QtViewerPlugins/OutputPreviewPlugin/outputpreviewplugin.h Normal file
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@ -0,0 +1,52 @@
// Copyright (C) 2021 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
// (at your option) 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 OUTPUTPREVIEWPLUGIN_H
#define OUTPUTPREVIEWPLUGIN_H
#include "pdfplugin.h"
#include <QObject>
namespace pdfplugin
{
class OutputPreviewPlugin : public pdf::PDFPlugin
{
Q_OBJECT
Q_PLUGIN_METADATA(IID "Pdf4Qt.OutputPreviewPlugin" FILE "OutputPreviewPlugin.json")
private:
using BaseClass = pdf::PDFPlugin;
public:
OutputPreviewPlugin();
virtual void setWidget(pdf::PDFWidget* widget) override;
virtual void setDocument(const pdf::PDFModifiedDocument& document) override;
virtual std::vector<QAction*> getActions() const override;
private:
void onOutputPreviewTriggered();
void updateActions();
QAction* m_outputPreviewAction;
};
} // namespace pdfplugin
#endif // OUTPUTPREVIEWPLUGIN_H

97
Pdf4QtViewerPlugins/OutputPreviewPlugin/preview.svg Normal file
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@ -0,0 +1,97 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!-- Created with Inkscape (http://www.inkscape.org/) -->
<svg
xmlns:dc="http://purl.org/dc/elements/1.1/"
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xmlns:svg="http://www.w3.org/2000/svg"
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xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
width="30mm"
height="30mm"
viewBox="0 0 30 30"
version="1.1"
id="svg8"
inkscape:version="0.92.4 (5da689c313, 2019-01-14)"
sodipodi:docname="preview.svg"
enable-background="new">
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rdf:resource="http://creativecommons.org/licenses/by-sa/4.0/" />
<dc:creator>
<cc:Agent>
<dc:title>Jakub Melka</dc:title>
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<cc:requires
rdf:resource="http://creativecommons.org/ns#Notice" />
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<cc:permits
rdf:resource="http://creativecommons.org/ns#DerivativeWorks" />
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3
Pdf4QtViewerPlugins/Pdf4QtViewerPlugins.pro
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@ -21,6 +21,7 @@ TEMPLATE = subdirs
SUBDIRS += \
DimensionsPlugin \
SoftProofingPlugin \
RedactPlugin
RedactPlugin \
OutputPreviewPlugin