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Loading external color profiles

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Jakub Melka
2019-12-25 14:34:37 +01:00
parent 2aae9b6cf4
commit 02dda6980c
7 changed files with 375 additions and 125 deletions
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74
PdfForQtLib/sources/pdfcms.h
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@ -61,10 +61,11 @@ struct PDFCMSSettings
RenderingIntent intent = RenderingIntent::Auto;
bool isBlackPointCompensationActive = true;
bool isWhitePaperColorTransformed = false;
QString outputCS; ///< Output (rendering) color space
QString deviceGray; ///< Identifiers for color space (device gray)
QString deviceRGB; ///< Identifiers for color space (device RGB)
QString deviceCMYK; ///< Identifiers for color space (device CMYK)
QString outputCS; ///< Output (rendering) color space
QString deviceGray; ///< Identifiers for color space (device gray)
QString deviceRGB; ///< Identifiers for color space (device RGB)
QString deviceCMYK; ///< Identifiers for color space (device CMYK)
QString profileDirectory; ///< Directory containing color profiles
};
/// Color management system base class. It contains functions to transform
@ -132,14 +133,17 @@ public:
virtual QColor getColorFromXYZ(const PDFColor3& whitePoint, const PDFColor& color, RenderingIntent intent, PDFRenderErrorReporter* reporter) const override;
};
struct PDFColorSpaceIdentifier
struct PDFColorProfileIdentifier
{
enum class Type
{
Gray,
sRGB,
RGB,
CMYK
FileGray,
FileRGB,
FileCMYK,
Invalid
};
Type type = Type::sRGB;
@ -151,15 +155,15 @@ struct PDFColorSpaceIdentifier
QPointF primaryB;
PDFReal gamma = 1.0;
/// Creates gray color space identifier
/// Creates gray color profile identifier
/// \param name Name of color profile
/// \param id Identifier of color profile
/// \param temperature White point temperature
/// \param gamma Gamma correction
static PDFColorSpaceIdentifier createGray(QString name, QString id, PDFReal temperature, PDFReal gamma);
static PDFColorProfileIdentifier createGray(QString name, QString id, PDFReal temperature, PDFReal gamma);
/// Creates sRGB color space identifier
static PDFColorSpaceIdentifier createSRGB();
/// Creates sRGB color profile identifier
static PDFColorProfileIdentifier createSRGB();
/// Creates RGB color space identifier
/// \param name Name of color profile
@ -169,10 +173,13 @@ struct PDFColorSpaceIdentifier
/// \param primaryG Primary green
/// \param primaryB Primary blue
/// \param gamma Gamma correction
static PDFColorSpaceIdentifier createRGB(QString name, QString id, PDFReal temperature, QPointF primaryR, QPointF primaryG, QPointF primaryB, PDFReal gamma);
static PDFColorProfileIdentifier createRGB(QString name, QString id, PDFReal temperature, QPointF primaryR, QPointF primaryG, QPointF primaryB, PDFReal gamma);
/// Create file color profile identifier
static PDFColorProfileIdentifier createFile(Type type, QString name, QString id);
};
using PDFColorSpaceIdentifiers = std::vector<PDFColorSpaceIdentifier>;
using PDFColorProfileIdentifiers = std::vector<PDFColorProfileIdentifier>;
/// Manager, that manages current color management system and also list
/// of usable input and output color profiles. It has color profiles
@ -190,10 +197,13 @@ private:
public:
explicit PDFCMSManager(QObject* parent);
const PDFColorSpaceIdentifiers& getOutputProfiles() const;
const PDFColorSpaceIdentifiers& getGrayProfiles() const;
const PDFColorSpaceIdentifiers& getRGBProfiles() const;
const PDFColorSpaceIdentifiers& getCMYKProfiles() const;
const PDFCMSSettings& getSettings() const { return m_settings; }
void setSettings(const PDFCMSSettings& settings);
const PDFColorProfileIdentifiers& getOutputProfiles() const;
const PDFColorProfileIdentifiers& getGrayProfiles() const;
const PDFColorProfileIdentifiers& getRGBProfiles() const;
const PDFColorProfileIdentifiers& getCMYKProfiles() const;
/// Returns default color management settings
PDFCMSSettings getDefaultSettings() const;
@ -206,18 +216,34 @@ signals:
void colorManagementSystemChanged();
private:
PDFColorSpaceIdentifiers getOutputProfilesImpl() const;
PDFColorSpaceIdentifiers getGrayProfilesImpl() const;
PDFColorSpaceIdentifiers getRGBProfilesImpl() const;
PDFColorSpaceIdentifiers getCMYKProfilesImpl() const;
/// This function returns external profiles. It is not protected by mutex,
/// so it is not thread-safe. For this reason, it is not in public
/// interface.
const PDFColorProfileIdentifiers& getExternalProfiles() const;
PDFColorProfileIdentifiers getOutputProfilesImpl() const;
PDFColorProfileIdentifiers getGrayProfilesImpl() const;
PDFColorProfileIdentifiers getRGBProfilesImpl() const;
PDFColorProfileIdentifiers getCMYKProfilesImpl() const;
PDFColorProfileIdentifiers getExternalProfilesImpl() const;
/// Returns filtered list of external profiles (list are filtered by type,
/// so, for example, only CMYK profiles are returned)
/// \param type Type of profile
PDFColorProfileIdentifiers getFilteredExternalProfiles(PDFColorProfileIdentifier::Type type) const;
/// Gets list of color profiles from external directory
/// \param profileDirectory Directory with profiles
PDFColorProfileIdentifiers getExternalColorProfiles(QString profileDirectory) const;
PDFCMSSettings m_settings;
mutable QMutex m_mutex;
mutable PDFCachedItem<PDFColorSpaceIdentifiers> m_outputProfiles;
mutable PDFCachedItem<PDFColorSpaceIdentifiers> m_grayProfiles;
mutable PDFCachedItem<PDFColorSpaceIdentifiers> m_RGBProfiles;
mutable PDFCachedItem<PDFColorSpaceIdentifiers> m_CMYKProfiles;
mutable PDFCachedItem<PDFColorProfileIdentifiers> m_outputProfiles;
mutable PDFCachedItem<PDFColorProfileIdentifiers> m_grayProfiles;
mutable PDFCachedItem<PDFColorProfileIdentifiers> m_RGBProfiles;
mutable PDFCachedItem<PDFColorProfileIdentifiers> m_CMYKProfiles;
mutable PDFCachedItem<PDFColorProfileIdentifiers> m_externalProfiles;
};
} // namespace pdf