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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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38
Pdf4QtLib/sources/pdfcms.cpp
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@ -64,7 +64,9 @@ namespace pdf
class PDFLittleCMS : public PDFCMS
{
public:
explicit PDFLittleCMS(const PDFCMSManager* manager, const PDFCMSSettings& settings);
explicit PDFLittleCMS(const PDFCMSManager* manager,
const PDFCMSSettings& settings,
const PDFColorConvertor& colorConvertor);
virtual ~PDFLittleCMS() override;
virtual bool isCompatible(const PDFCMSSettings& settings) const override;
@ -80,6 +82,7 @@ public:
virtual bool fillRGBBufferFromXYZ(const PDFColor3& whitePoint, const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const override;
virtual bool fillRGBBufferFromICC(const std::vector<float>& colors, RenderingIntent renderingIntent, unsigned char* outputBuffer, const QByteArray& iccID, const QByteArray& iccData, PDFRenderErrorReporter* reporter) const override;
virtual bool transformColorSpace(const ColorSpaceTransformParams& params) const override;
virtual PDFColorConvertor getColorConvertor() const override;
private:
void init();
@ -162,6 +165,7 @@ private:
PDFCMSSettings m_settings;
QColor m_paperColor;
std::array<cmsHPROFILE, ProfileCount> m_profiles;
PDFColorConvertor m_colorConvertor;
mutable QReadWriteLock m_transformationCacheLock;
mutable std::unordered_map<int, cmsHTRANSFORM> m_transformationCache;
@ -445,11 +449,19 @@ bool PDFLittleCMS::transformColorSpace(const PDFCMS::ColorSpaceTransformParams&
return false;
}
PDFLittleCMS::PDFLittleCMS(const PDFCMSManager* manager, const PDFCMSSettings& settings) :
PDFColorConvertor PDFLittleCMS::getColorConvertor() const
{
return m_colorConvertor;
}
PDFLittleCMS::PDFLittleCMS(const PDFCMSManager* manager,
const PDFCMSSettings& settings,
const PDFColorConvertor& colorConvertor) :
m_manager(manager),
m_settings(settings),
m_paperColor(Qt::white),
m_profiles()
m_profiles(),
m_colorConvertor(colorConvertor)
{
static const int installed = installCmsPlugins();
Q_UNUSED(installed);
@ -1286,6 +1298,12 @@ QString getInfoFromProfile(cmsHPROFILE profile, cmsInfoType infoType)
return QString();
}
PDFCMSGeneric::PDFCMSGeneric(const PDFColorConvertor& colorConvertor) :
m_colorConvertor(colorConvertor)
{
}
bool PDFCMSGeneric::isCompatible(const PDFCMSSettings& settings) const
{
return settings.system == PDFCMSSettings::System::Generic;
@ -1397,6 +1415,11 @@ bool PDFCMSGeneric::transformColorSpace(const PDFCMS::ColorSpaceTransformParams&
return false;
}
PDFColorConvertor PDFCMSGeneric::getColorConvertor() const
{
return m_colorConvertor;
}
PDFCMSManager::PDFCMSManager(QObject* parent) :
BaseClass(parent),
m_document(nullptr),
@ -1432,6 +1455,11 @@ void PDFCMSManager::setSettings(const PDFCMSSettings& settings)
}
}
PDFColorConvertor PDFCMSManager::getColorConvertor() const
{
return PDFColorConvertor();
}
const PDFColorProfileIdentifiers& PDFCMSManager::getOutputProfiles() const
{
QMutexLocker lock(&m_mutex);
@ -1606,10 +1634,10 @@ PDFCMSPointer PDFCMSManager::getCurrentCMSImpl() const
switch (m_settings.system)
{
case PDFCMSSettings::System::Generic:
return PDFCMSPointer(new PDFCMSGeneric());
return PDFCMSPointer(new PDFCMSGeneric(getColorConvertor()));
case PDFCMSSettings::System::LittleCMS2:
return PDFCMSPointer(new PDFLittleCMS(this, m_settings));
return PDFCMSPointer(new PDFLittleCMS(this, m_settings, getColorConvertor()));
default:
Q_ASSERT(false);