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Issue #108: Add accessibility options in pdf reader

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This commit is contained in:
Jakub Melka
2023-11-18 18:52:18 +01:00
parent 2408c61b5f
commit 6f6ddaab04
23 changed files with 600 additions and 89 deletions
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21
Pdf4QtViewer/pdfprogramcontroller.cpp
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@@ -141,6 +141,10 @@ std::vector<QAction*> PDFActionManager::getRenderingOptionActions() const
RenderOptionIgnoreOptionalContentSettings,
RenderOptionDisplayAnnotations,
RenderOptionInvertColors,
RenderOptionGrayscale,
RenderOptionBitonal,
RenderOptionHighContrast,
RenderOptionCustomColors,
RenderOptionShowTextBlocks,
RenderOptionShowTextLines
});
@@ -249,7 +253,11 @@ void PDFActionManager::initActions(QSize iconSize, bool initializeStampActions)
setUserData(RenderOptionSmoothPictures, pdf::PDFRenderer::SmoothImages);
setUserData(RenderOptionIgnoreOptionalContentSettings, pdf::PDFRenderer::IgnoreOptionalContent);
setUserData(RenderOptionDisplayAnnotations, pdf::PDFRenderer::DisplayAnnotations);
setUserData(RenderOptionInvertColors, pdf::PDFRenderer::InvertColors);
setUserData(RenderOptionInvertColors, pdf::PDFRenderer::ColorAdjust_Invert);
setUserData(RenderOptionGrayscale, pdf::PDFRenderer::ColorAdjust_Grayscale);
setUserData(RenderOptionBitonal, pdf::PDFRenderer::ColorAdjust_Bitonal);
setUserData(RenderOptionHighContrast, pdf::PDFRenderer::ColorAdjust_HighContrast);
setUserData(RenderOptionCustomColors, pdf::PDFRenderer::ColorAdjust_CustomColors);
setUserData(RenderOptionShowTextBlocks, pdf::PDFRenderer::DebugTextBlocks);
setUserData(RenderOptionShowTextLines, pdf::PDFRenderer::DebugTextLines);
@@ -1051,8 +1059,17 @@ void PDFProgramController::onActionRenderingOptionTriggered(bool checked)
Q_ASSERT(action);
pdf::PDFRenderer::Features features = m_settings->getFeatures();
features.setFlag(static_cast<pdf::PDFRenderer::Feature>(action->data().toInt()), checked);
pdf::PDFRenderer::Feature affectedFeature = static_cast<pdf::PDFRenderer::Feature>(action->data().toInt());
pdf::PDFRenderer::Features colorFeatures = pdf::PDFRenderer::getColorFeatures();
if (colorFeatures.testFlag(affectedFeature) && checked)
{
features = features & ~colorFeatures;
}
features.setFlag(affectedFeature, checked);
m_settings->setFeatures(features);
updateRenderingOptionActions();
}
void PDFProgramController::performSaveAs()

4
Pdf4QtViewer/pdfprogramcontroller.h
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@@ -160,6 +160,10 @@ public:
RenderOptionIgnoreOptionalContentSettings,
RenderOptionDisplayAnnotations,
RenderOptionInvertColors,
RenderOptionGrayscale,
RenderOptionBitonal,
RenderOptionHighContrast,
RenderOptionCustomColors,
RenderOptionShowTextBlocks,
RenderOptionShowTextLines,
PageLayoutSinglePage,

6
Pdf4QtViewer/pdfviewermainwindow.cpp
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@@ -150,7 +150,11 @@ PDFViewerMainWindow::PDFViewerMainWindow(QWidget* parent) :
m_actionManager->setAction(PDFActionManager::RenderOptionSmoothPictures, ui->actionRenderOptionSmoothPictures);
m_actionManager->setAction(PDFActionManager::RenderOptionIgnoreOptionalContentSettings, ui->actionRenderOptionIgnoreOptionalContentSettings);
m_actionManager->setAction(PDFActionManager::RenderOptionDisplayAnnotations, ui->actionRenderOptionDisplayAnnotations);
m_actionManager->setAction(PDFActionManager::RenderOptionInvertColors, ui->actionInvertColors);
m_actionManager->setAction(PDFActionManager::RenderOptionInvertColors, ui->actionColorInvert);
m_actionManager->setAction(PDFActionManager::RenderOptionGrayscale, ui->actionColorGrayscale);
m_actionManager->setAction(PDFActionManager::RenderOptionHighContrast, ui->actionColorHighContrast);
m_actionManager->setAction(PDFActionManager::RenderOptionBitonal, ui->actionColorBitonal);
m_actionManager->setAction(PDFActionManager::RenderOptionCustomColors, ui->actionColorCustom);
m_actionManager->setAction(PDFActionManager::RenderOptionShowTextBlocks, ui->actionShow_Text_Blocks);
m_actionManager->setAction(PDFActionManager::RenderOptionShowTextLines, ui->actionShow_Text_Lines);
m_actionManager->setAction(PDFActionManager::Properties, ui->actionProperties);

58
Pdf4QtViewer/pdfviewermainwindow.ui
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@@ -91,7 +91,11 @@
<addaction name="actionFitWidth"/>
<addaction name="actionFitHeight"/>
<addaction name="separator"/>
<addaction name="actionInvertColors"/>
<addaction name="actionColorInvert"/>
<addaction name="actionColorGrayscale"/>
<addaction name="actionColorHighContrast"/>
<addaction name="actionColorBitonal"/>
<addaction name="actionColorCustom"/>
</widget>
<widget class="QMenu" name="menuTools">
<property name="title">
@@ -527,7 +531,7 @@
<string>Copy text</string>
</property>
</action>
<action name="actionInvertColors">
<action name="actionColorInvert">
<property name="checkable">
<bool>true</bool>
</property>
@@ -536,7 +540,55 @@
<normaloff>:/resources/invert-colors.svg</normaloff>:/resources/invert-colors.svg</iconset>
</property>
<property name="text">
<string>Invert Colors</string>
<string>Color | Inverted</string>
</property>
</action>
<action name="actionColorGrayscale">
<property name="checkable">
<bool>true</bool>
</property>
<property name="icon">
<iconset resource="pdf4qtviewer.qrc">
<normaloff>:/resources/invert-colors.svg</normaloff>:/resources/invert-colors.svg</iconset>
</property>
<property name="text">
<string>Color | Grayscale</string>
</property>
</action>
<action name="actionColorHighContrast">
<property name="checkable">
<bool>true</bool>
</property>
<property name="icon">
<iconset resource="pdf4qtviewer.qrc">
<normaloff>:/resources/invert-colors.svg</normaloff>:/resources/invert-colors.svg</iconset>
</property>
<property name="text">
<string>Color | High Contrast</string>
</property>
</action>
<action name="actionColorBitonal">
<property name="checkable">
<bool>true</bool>
</property>
<property name="icon">
<iconset resource="pdf4qtviewer.qrc">
<normaloff>:/resources/invert-colors.svg</normaloff>:/resources/invert-colors.svg</iconset>
</property>
<property name="text">
<string>Color | Monochromatic</string>
</property>
</action>
<action name="actionColorCustom">
<property name="checkable">
<bool>true</bool>
</property>
<property name="icon">
<iconset resource="pdf4qtviewer.qrc">
<normaloff>:/resources/invert-colors.svg</normaloff>:/resources/invert-colors.svg</iconset>
</property>
<property name="text">
<string>Color | Custom</string>
</property>
</action>
<action name="actionRotateRight">