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Shading: Axial shading (first part)

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Jakub Melka
2019-08-25 18:16:37 +02:00
parent d6d112667d
commit 7e2d1b266f
15 changed files with 544 additions and 23 deletions
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16
PdfForQtLib/sources/pdfpagecontentprocessor.h
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@ -45,7 +45,8 @@ public:
explicit PDFPageContentProcessor(const PDFPage* page,
const PDFDocument* document,
const PDFFontCache* fontCache,
const PDFOptionalContentActivity* optionalContentActivity);
const PDFOptionalContentActivity* optionalContentActivity,
QMatrix patternBaseMatrix);
virtual ~PDFPageContentProcessor();
enum class Operator
@ -473,6 +474,7 @@ private:
const PDFDictionary* m_xobjectDictionary;
const PDFDictionary* m_extendedGraphicStateDictionary;
const PDFDictionary* m_propertiesDictionary;
const PDFDictionary* m_shadingDictionary;
};
/// Wrapper for PDF Name
@ -647,6 +649,9 @@ private:
void operatorTextNextLineShowText(PDFOperandString text); ///< ', move to the next line and show text ("string '" is equivalent to "T* string Tj")
void operatorTextSetSpacingAndShowText(PDFReal t_w, PDFReal t_c, PDFOperandString text); ///< ", move to the next line, set spacing and show text (equivalent to sequence "w1 Tw w2 Tc string '")
// Shading pattern: sh
void operatorShadingPaintShape(PDFOperandName name); ///< sh, paint shape
// XObject: Do
void operatorPaintXObject(PDFOperandName name); ///< Do, paint the X Object (image, form, ...)
@ -691,6 +696,7 @@ private:
const PDFDictionary* m_xobjectDictionary;
const PDFDictionary* m_extendedGraphicStateDictionary;
const PDFDictionary* m_propertiesDictionary;
const PDFDictionary* m_shadingDictionary;
// Default color spaces
PDFColorSpacePointer m_deviceGrayColorSpace;
@ -727,6 +733,14 @@ private:
/// Actual clipping path obtained from text. Clipping path
/// is in device space coordinates.
QPainterPath m_textClippingPath;
/// Base matrix to be used when drawing patterns. Concatenate this matrix
/// with pattern matrix to get transformation from pattern space to device space.
QMatrix m_patternBaseMatrix;
/// Bounding rectangle of pages media box in device space coordinates. If drawing rotation
/// is zero, then it corresponds to the scaled media box of the page.
QRectF m_pageBoundingRectDeviceSpace;
};
} // namespace pdf