fenix/PDF4QT
1
0
Fork 0
mirror of https://github.com/JakubMelka/PDF4QT.git synced 2025-06-05 21:59:17 +02:00
Code Issues Packages Projects Releases Wiki Activity

Basic support for transparency

Browse Source
This commit is contained in:
Jakub Melka
2019-09-29 15:44:35 +02:00
parent b09f9eff21
commit c1dfe0280c
10 changed files with 344 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
PdfForQtLib/sources/pdfpagecontentprocessor.h
View File

@ -24,6 +24,7 @@
#include "pdffont.h"
#include "pdfutils.h"
#include "pdfmeshqualitysettings.h"
#include "pdfblendfunction.h"
#include <QMatrix>
#include <QPainterPath>
@ -211,7 +212,7 @@ protected:
PDFPageContentProcessorState& operator=(PDFPageContentProcessorState&&) = delete;
PDFPageContentProcessorState& operator=(const PDFPageContentProcessorState& other);
enum StateFlag
enum StateFlag : uint32_t
{
StateUnchanged = 0x00000000,
StateCurrentTransformationMatrix = 0x00000001,
@ -238,7 +239,10 @@ protected:
StateTextRenderingMode = 0x00200000,
StateTextRise = 0x00400000,
StateTextKnockout = 0x00800000,
StateAll = 0xFFFF
StateAlphaStroking = 0x01000000,
StateAlphaFilling = 0x02000000,
StateBlendMode = 0x04000000,
StateAll = 0xFFFFFFFF
};
Q_DECLARE_FLAGS(StateFlags, StateFlag)
@ -318,6 +322,21 @@ protected:
const QMatrix& getTextLineMatrix() const { return m_textLineMatrix; }
void setTextLineMatrix(const QMatrix& textLineMatrix);
PDFReal getAlphaStroking() const { return m_alphaStroking; }
void setAlphaStroking(PDFReal alpha);
PDFReal getAlphaFilling() const { return m_alphaFilling; }
void setAlphaFilling(PDFReal alpha);
BlendMode getBlendMode() const { return m_blendMode; }
void setBlendMode(BlendMode mode);
/// Returns stroke color with alpha channel
QColor getStrokeColorWithAlpha() const;
/// Returns fill color with alpha channel
QColor getFillColorWithAlpha() const;
private:
QMatrix m_currentTransformationMatrix;
PDFColorSpacePointer m_strokeColorSpace;
@ -343,6 +362,9 @@ protected:
bool m_textKnockout;
QMatrix m_textMatrix;
QMatrix m_textLineMatrix;
PDFReal m_alphaStroking;
PDFReal m_alphaFilling;
BlendMode m_blendMode;
StateFlags m_stateFlags;
};