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https://github.com/JakubMelka/PDF4QT.git
synced 2025-06-05 21:59:17 +02:00
Loading external color profiles
This commit is contained in:
Jakub Melka
@ -17,6 +17,8 @@
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#include "pdfcms.h"
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#include <QApplication>
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#pragma warning(push)
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#pragma warning(disable:5033)
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#include <lcms2.h>
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@ -25,6 +27,46 @@
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namespace pdf
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{
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QString getInfoFromProfile(cmsHPROFILE profile, cmsInfoType infoType)
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{
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QLocale locale;
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QString country = QLocale::countryToString(locale.country());
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QString language = QLocale::languageToString(locale.language());
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char countryCode[3] = { };
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char languageCode[3] = { };
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if (country.size() == 2)
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{
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countryCode[0] = country[0].toLatin1();
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countryCode[1] = country[1].toLatin1();
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}
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if (language.size() == 2)
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{
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languageCode[0] = language[0].toLatin1();
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languageCode[1] = language[1].toLatin1();
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}
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// Jakub Melka: try to get profile info from current language/country.
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// If it fails, then pick any language/any country.
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cmsUInt32Number bufferSize = cmsGetProfileInfo(profile, infoType, languageCode, countryCode, nullptr, 0);
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if (bufferSize)
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{
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std::vector<wchar_t> buffer(bufferSize, 0);
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cmsGetProfileInfo(profile, infoType, languageCode, countryCode, buffer.data(), static_cast<cmsUInt32Number>(buffer.size()));
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return QString::fromWCharArray(buffer.data());
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}
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bufferSize = cmsGetProfileInfo(profile, infoType, cmsNoLanguage, cmsNoCountry, nullptr, 0);
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if (bufferSize)
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{
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std::vector<wchar_t> buffer(bufferSize, 0);
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cmsGetProfileInfo(profile, infoType, cmsNoLanguage, cmsNoCountry, buffer.data(), static_cast<cmsUInt32Number>(buffer.size()));
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return QString::fromWCharArray(buffer.data());
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}
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return QString();
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}
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bool PDFCMSGeneric::isCompatible(const PDFCMSSettings& settings) const
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{
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return settings.system == PDFCMSSettings::System::Generic;
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@ -69,35 +111,62 @@ PDFCMSManager::PDFCMSManager(QObject* parent) :
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}
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const PDFColorSpaceIdentifiers& PDFCMSManager::getOutputProfiles() const
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void PDFCMSManager::setSettings(const PDFCMSSettings& settings)
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{
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if (m_settings != settings)
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{
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// We must ensure, that mutex is not locked, while we are
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// sending signal about CMS change.
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{
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QMutexLocker lock(&m_mutex);
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m_settings = settings;
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m_outputProfiles.dirty();
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m_grayProfiles.dirty();
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m_RGBProfiles.dirty();
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m_CMYKProfiles.dirty();
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m_externalProfiles.dirty();
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}
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emit colorManagementSystemChanged();
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}
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}
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const PDFColorProfileIdentifiers& PDFCMSManager::getOutputProfiles() const
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{
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QMutexLocker lock(&m_mutex);
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return m_outputProfiles.get(this, &PDFCMSManager::getOutputProfilesImpl);
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}
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const PDFColorSpaceIdentifiers& PDFCMSManager::getGrayProfiles() const
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const PDFColorProfileIdentifiers& PDFCMSManager::getGrayProfiles() const
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{
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QMutexLocker lock(&m_mutex);
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return m_grayProfiles.get(this, &PDFCMSManager::getGrayProfilesImpl);
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}
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const PDFColorSpaceIdentifiers& PDFCMSManager::getRGBProfiles() const
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const PDFColorProfileIdentifiers& PDFCMSManager::getRGBProfiles() const
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{
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QMutexLocker lock(&m_mutex);
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return m_RGBProfiles.get(this, &PDFCMSManager::getRGBProfilesImpl);
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}
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const PDFColorSpaceIdentifiers& PDFCMSManager::getCMYKProfiles() const
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const PDFColorProfileIdentifiers& PDFCMSManager::getCMYKProfiles() const
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{
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QMutexLocker lock(&m_mutex);
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return m_CMYKProfiles.get(this, &PDFCMSManager::getCMYKProfilesImpl);
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}
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const PDFColorProfileIdentifiers& PDFCMSManager::getExternalProfiles() const
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{
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// Jakub Melka: do not protect this by mutex, this function is private
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// and must be called only from mutex-protected code.
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return m_externalProfiles.get(this, &PDFCMSManager::getExternalProfilesImpl);
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}
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PDFCMSSettings PDFCMSManager::getDefaultSettings() const
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{
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PDFCMSSettings settings;
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auto getFirstProfileId = [](const PDFColorSpaceIdentifiers& identifiers)
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auto getFirstProfileId = [](const PDFColorProfileIdentifiers& identifiers)
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{
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if (!identifiers.empty())
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{
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@ -139,51 +208,145 @@ QString PDFCMSManager::getSystemName(PDFCMSSettings::System system)
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return QString();
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}
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PDFColorSpaceIdentifiers PDFCMSManager::getOutputProfilesImpl() const
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PDFColorProfileIdentifiers PDFCMSManager::getOutputProfilesImpl() const
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{
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// Currently, we only support sRGB output color profile.
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return { PDFColorSpaceIdentifier::createSRGB() };
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return { PDFColorProfileIdentifier::createSRGB() };
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}
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PDFColorSpaceIdentifiers PDFCMSManager::getGrayProfilesImpl() const
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PDFColorProfileIdentifiers PDFCMSManager::getGrayProfilesImpl() const
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{
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// Jakub Melka: We create gray profiles for temperature 5000K, 6500K and 9300K.
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// We also use linear gamma and gamma value 2.2.
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return {
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PDFColorSpaceIdentifier::createGray(tr("Gray D65, γ = 2.2"), "@GENERIC_Gray_D65_g22", 6500.0, 2.2),
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PDFColorSpaceIdentifier::createGray(tr("Gray D50, γ = 2.2"), "@GENERIC_Gray_D50_g22", 5000.0, 2.2),
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PDFColorSpaceIdentifier::createGray(tr("Gray D93, γ = 2.2"), "@GENERIC_Gray_D93_g22", 9300.0, 2.2),
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PDFColorSpaceIdentifier::createGray(tr("Gray D65, γ = 1.0 (linear)"), "@GENERIC_Gray_D65_g10", 6500.0, 1.0),
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PDFColorSpaceIdentifier::createGray(tr("Gray D50, γ = 1.0 (linear)"), "@GENERIC_Gray_D50_g10", 5000.0, 1.0),
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PDFColorSpaceIdentifier::createGray(tr("Gray D93, γ = 1.0 (linear)"), "@GENERIC_Gray_D93_g10", 9300.0, 1.0)
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PDFColorProfileIdentifiers result =
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{
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PDFColorProfileIdentifier::createGray(tr("Gray D65, γ = 2.2"), "@GENERIC_Gray_D65_g22", 6500.0, 2.2),
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PDFColorProfileIdentifier::createGray(tr("Gray D50, γ = 2.2"), "@GENERIC_Gray_D50_g22", 5000.0, 2.2),
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PDFColorProfileIdentifier::createGray(tr("Gray D93, γ = 2.2"), "@GENERIC_Gray_D93_g22", 9300.0, 2.2),
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PDFColorProfileIdentifier::createGray(tr("Gray D65, γ = 1.0 (linear)"), "@GENERIC_Gray_D65_g10", 6500.0, 1.0),
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PDFColorProfileIdentifier::createGray(tr("Gray D50, γ = 1.0 (linear)"), "@GENERIC_Gray_D50_g10", 5000.0, 1.0),
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PDFColorProfileIdentifier::createGray(tr("Gray D93, γ = 1.0 (linear)"), "@GENERIC_Gray_D93_g10", 9300.0, 1.0)
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};
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PDFColorProfileIdentifiers externalRGBProfiles = getFilteredExternalProfiles(PDFColorProfileIdentifier::Type::FileGray);
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result.insert(result.end(), externalRGBProfiles.begin(), externalRGBProfiles.end());
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return result;
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}
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PDFColorSpaceIdentifiers PDFCMSManager::getRGBProfilesImpl() const
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PDFColorProfileIdentifiers PDFCMSManager::getRGBProfilesImpl() const
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{
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// Jakub Melka: We create RGB profiles for common standars and also for
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// default standard sRGB. See https://en.wikipedia.org/wiki/Color_spaces_with_RGB_primaries.
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return {
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PDFColorSpaceIdentifier::createSRGB(),
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PDFColorSpaceIdentifier::createRGB(tr("HDTV (ITU-R BT.709)"), "@GENERIC_RGB_HDTV", 6500, QPointF(0.64, 0.33), QPointF(0.30, 0.60), QPointF(0.15, 0.06), 20.0 / 9.0),
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PDFColorSpaceIdentifier::createRGB(tr("Adobe RGB 1998"), "@GENERIC_RGB_Adobe1998", 6500, QPointF(0.64, 0.33), QPointF(0.30, 0.60), QPointF(0.15, 0.06), 563.0 / 256.0),
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PDFColorSpaceIdentifier::createRGB(tr("PAL / SECAM"), "@GENERIC_RGB_PalSecam", 6500, QPointF(0.64, 0.33), QPointF(0.29, 0.60), QPointF(0.15, 0.06), 14.0 / 5.0),
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PDFColorSpaceIdentifier::createRGB(tr("NTSC"), "@GENERIC_RGB_NTSC", 6500, QPointF(0.64, 0.34), QPointF(0.31, 0.595), QPointF(0.155, 0.07), 20.0 / 9.0),
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PDFColorSpaceIdentifier::createRGB(tr("Adobe Wide Gamut RGB"), "@GENERIC_RGB_AdobeWideGamut", 5000, QPointF(0.735, 0.265), QPointF(0.115, 0.826), QPointF(0.157, 0.018), 563.0 / 256.0),
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PDFColorSpaceIdentifier::createRGB(tr("ProPhoto RGB"), "@GENERIC_RGB_ProPhoto", 5000, QPointF(0.7347, 0.2653), QPointF(0.1596, 0.8404), QPointF(0.0366, 0.0001), 9.0 / 5.0)
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PDFColorProfileIdentifiers result =
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{
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PDFColorProfileIdentifier::createSRGB(),
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PDFColorProfileIdentifier::createRGB(tr("HDTV (ITU-R BT.709)"), "@GENERIC_RGB_HDTV", 6500, QPointF(0.64, 0.33), QPointF(0.30, 0.60), QPointF(0.15, 0.06), 20.0 / 9.0),
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PDFColorProfileIdentifier::createRGB(tr("Adobe RGB 1998"), "@GENERIC_RGB_Adobe1998", 6500, QPointF(0.64, 0.33), QPointF(0.30, 0.60), QPointF(0.15, 0.06), 563.0 / 256.0),
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PDFColorProfileIdentifier::createRGB(tr("PAL / SECAM"), "@GENERIC_RGB_PalSecam", 6500, QPointF(0.64, 0.33), QPointF(0.29, 0.60), QPointF(0.15, 0.06), 14.0 / 5.0),
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PDFColorProfileIdentifier::createRGB(tr("NTSC"), "@GENERIC_RGB_NTSC", 6500, QPointF(0.64, 0.34), QPointF(0.31, 0.595), QPointF(0.155, 0.07), 20.0 / 9.0),
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PDFColorProfileIdentifier::createRGB(tr("Adobe Wide Gamut RGB"), "@GENERIC_RGB_AdobeWideGamut", 5000, QPointF(0.735, 0.265), QPointF(0.115, 0.826), QPointF(0.157, 0.018), 563.0 / 256.0),
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PDFColorProfileIdentifier::createRGB(tr("ProPhoto RGB"), "@GENERIC_RGB_ProPhoto", 5000, QPointF(0.7347, 0.2653), QPointF(0.1596, 0.8404), QPointF(0.0366, 0.0001), 9.0 / 5.0)
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};
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PDFColorProfileIdentifiers externalRGBProfiles = getFilteredExternalProfiles(PDFColorProfileIdentifier::Type::FileRGB);
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result.insert(result.end(), externalRGBProfiles.begin(), externalRGBProfiles.end());
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return result;
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}
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PDFColorSpaceIdentifiers PDFCMSManager::getCMYKProfilesImpl() const
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PDFColorProfileIdentifiers PDFCMSManager::getCMYKProfilesImpl() const
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{
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return {
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};
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return getFilteredExternalProfiles(PDFColorProfileIdentifier::Type::FileCMYK);
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}
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PDFColorSpaceIdentifier PDFColorSpaceIdentifier::createGray(QString name, QString id, PDFReal temperature, PDFReal gamma)
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PDFColorProfileIdentifiers PDFCMSManager::getExternalColorProfiles(QString profileDirectory) const
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{
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PDFColorSpaceIdentifier result;
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PDFColorProfileIdentifiers result;
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QDir directory(profileDirectory);
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if (!profileDirectory.isEmpty() && directory.exists())
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{
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QStringList iccProfiles = directory.entryList({ "*.icc" }, QDir::Files | QDir::Readable | QDir::NoDotAndDotDot, QDir::NoSort);
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for (const QString& fileName : iccProfiles)
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{
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QString filePath = directory.absoluteFilePath(fileName);
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// Try to read the profile from the file. If it fails, then do nothing.
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QFile file(filePath);
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if (file.open(QFile::ReadOnly))
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{
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QByteArray content = file.readAll();
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file.close();
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cmsHPROFILE profile = cmsOpenProfileFromMem(content.data(), content.size());
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if (profile)
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{
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PDFColorProfileIdentifier::Type csiType = PDFColorProfileIdentifier::Type::Invalid;
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const cmsColorSpaceSignature colorSpace = cmsGetColorSpace(profile);
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switch (colorSpace)
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{
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case cmsSigGrayData:
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csiType = PDFColorProfileIdentifier::Type::FileGray;
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break;
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case cmsSigRgbData:
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csiType = PDFColorProfileIdentifier::Type::FileRGB;
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break;
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case cmsSigCmykData:
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csiType = PDFColorProfileIdentifier::Type::FileCMYK;
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break;
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default:
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break;
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}
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QString description = getInfoFromProfile(profile, cmsInfoDescription);
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cmsCloseProfile(profile);
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// If we have a valid profile, then add it
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if (csiType != PDFColorProfileIdentifier::Type::Invalid)
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{
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result.emplace_back(PDFColorProfileIdentifier::createFile(csiType, qMove(description), filePath));
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}
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}
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}
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}
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}
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return result;
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}
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PDFColorProfileIdentifiers PDFCMSManager::getExternalProfilesImpl() const
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{
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PDFColorProfileIdentifiers result;
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QStringList directories(m_settings.profileDirectory);
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QDir applicationDirectory(QApplication::applicationDirPath());
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if (applicationDirectory.cd("colorprofiles"))
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{
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directories << applicationDirectory.absolutePath();
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}
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for (const QString& directory : directories)
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{
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PDFColorProfileIdentifiers externalProfiles = getExternalColorProfiles(directory);
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result.insert(result.end(), externalProfiles.begin(), externalProfiles.end());
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}
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return result;
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}
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PDFColorProfileIdentifiers PDFCMSManager::getFilteredExternalProfiles(PDFColorProfileIdentifier::Type type) const
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{
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PDFColorProfileIdentifiers result;
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const PDFColorProfileIdentifiers& externalProfiles = getExternalProfiles();
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std::copy_if(externalProfiles.cbegin(), externalProfiles.cend(), std::back_inserter(result), [type](const PDFColorProfileIdentifier& identifier) { return identifier.type == type; });
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return result;
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}
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PDFColorProfileIdentifier PDFColorProfileIdentifier::createGray(QString name, QString id, PDFReal temperature, PDFReal gamma)
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{
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PDFColorProfileIdentifier result;
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result.type = Type::Gray;
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result.name = qMove(name);
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result.id = qMove(id);
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@ -192,18 +355,18 @@ PDFColorSpaceIdentifier PDFColorSpaceIdentifier::createGray(QString name, QStrin
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return result;
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}
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PDFColorSpaceIdentifier PDFColorSpaceIdentifier::createSRGB()
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PDFColorProfileIdentifier PDFColorProfileIdentifier::createSRGB()
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{
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PDFColorSpaceIdentifier result;
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PDFColorProfileIdentifier result;
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result.type = Type::sRGB;
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result.name = PDFCMSManager::tr("sRGB");
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result.id = "@GENERIC_sRGB";
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return result;
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}
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PDFColorSpaceIdentifier PDFColorSpaceIdentifier::createRGB(QString name, QString id, PDFReal temperature, QPointF primaryR, QPointF primaryG, QPointF primaryB, PDFReal gamma)
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PDFColorProfileIdentifier PDFColorProfileIdentifier::createRGB(QString name, QString id, PDFReal temperature, QPointF primaryR, QPointF primaryG, QPointF primaryB, PDFReal gamma)
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{
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PDFColorSpaceIdentifier result;
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PDFColorProfileIdentifier result;
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result.type = Type::RGB;
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result.name = qMove(name);
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result.id = qMove(id);
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@ -215,5 +378,14 @@ PDFColorSpaceIdentifier PDFColorSpaceIdentifier::createRGB(QString name, QString
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return result;
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}
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PDFColorProfileIdentifier PDFColorProfileIdentifier::createFile(Type type, QString name, QString id)
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{
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PDFColorProfileIdentifier result;
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result.type = type;
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result.name = qMove(name);
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result.id = qMove(id);
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return result;
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}
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} // namespace pdf
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Block a user