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Finishing graphic state parameters

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This commit is contained in:
Jakub Melka
2019-10-04 17:21:26 +02:00
parent efef799c09
commit 2d29bebe30
3 changed files with 155 additions and 17 deletions
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42
PdfForQtLib/sources/pdfpagecontentprocessor.h
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@ -205,6 +205,22 @@ protected:
bool knockout = false;
};
struct PDFOverprintMode
{
bool overprintStroking = false;
bool overprintFilling = false;
int overprintMode = 0;
inline bool operator==(const PDFOverprintMode& other) const
{
return std::tie(overprintStroking, overprintFilling, overprintMode) == std::tie(other.overprintStroking, other.overprintFilling, other.overprintMode);
}
inline bool operator!=(const PDFOverprintMode& other) const
{
return !(*this == other);
}
};
/// Represents graphic state of the PDF (holding current graphic state parameters).
/// Please see PDF Reference 1.7, Chapter 4.3 "Graphic State"
class PDFPageContentProcessorState
@ -232,7 +248,7 @@ protected:
StateLineJoinStyle = 0x00000080,
StateMitterLimit = 0x00000100,
StateLineDashPattern = 0x00000200,
StateRenderingIntent = 0x00000400,
StateRenderingIntentName = 0x00000400,
StateFlatness = 0x00000800,
StateSmoothness = 0x00001000,
StateTextMatrix = 0x00002000,
@ -249,6 +265,9 @@ protected:
StateAlphaStroking = 0x01000000,
StateAlphaFilling = 0x02000000,
StateBlendMode = 0x04000000,
StateRenderingIntent = 0x08000000,
StateOverprint = 0x10000000,
StateAlphaIsShape = 0x20000000,
StateAll = 0xFFFFFFFF
};
@ -284,8 +303,8 @@ protected:
const PDFLineDashPattern& getLineDashPattern() const { return m_lineDashPattern; }
void setLineDashPattern(PDFLineDashPattern pattern);
const QByteArray& getRenderingIntent() const { return m_renderingIntent; }
void setRenderingIntent(const QByteArray& renderingIntent);
const QByteArray& getRenderingIntentName() const { return m_renderingIntentName; }
void setRenderingIntentName(const QByteArray& renderingIntentName);
PDFReal getFlatness() const { return m_flatness; }
void setFlatness(PDFReal flatness);
@ -338,12 +357,21 @@ protected:
BlendMode getBlendMode() const { return m_blendMode; }
void setBlendMode(BlendMode mode);
RenderingIntent getRenderingIntent() const { return m_renderingIntent; }
void setRenderingIntent(RenderingIntent renderingIntent);
/// Returns stroke color with alpha channel
QColor getStrokeColorWithAlpha() const;
/// Returns fill color with alpha channel
QColor getFillColorWithAlpha() const;
PDFOverprintMode getOverprintMode() const { return m_overprintMode; }
void setOverprintMode(PDFOverprintMode overprintMode);
bool getAlphaIsShape() const { return m_alphaIsShape; }
void setAlphaIsShape(bool alphaIsShape);
private:
QMatrix m_currentTransformationMatrix;
PDFColorSpacePointer m_strokeColorSpace;
@ -355,7 +383,7 @@ protected:
Qt::PenJoinStyle m_lineJoinStyle;
PDFReal m_mitterLimit;
PDFLineDashPattern m_lineDashPattern;
QByteArray m_renderingIntent;
QByteArray m_renderingIntentName;
PDFReal m_flatness;
PDFReal m_smoothness;
PDFReal m_textCharacterSpacing; // T_c
@ -372,6 +400,9 @@ protected:
PDFReal m_alphaStroking;
PDFReal m_alphaFilling;
BlendMode m_blendMode;
RenderingIntent m_renderingIntent;
PDFOverprintMode m_overprintMode;
bool m_alphaIsShape;
StateFlags m_stateFlags;
};
@ -802,6 +833,9 @@ private:
/// Report warning about color operators in uncolored tiling pattern
void reportWarningAboutColorOperatorsInUTP();
/// Set rendering intent by name
void setRenderingIntentByName(QByteArray renderingIntentName);
const PDFPage* m_page;
const PDFDocument* m_document;
const PDFFontCache* m_fontCache;