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cairoQPaintDevice

library for Qt: QPaintDevice implementation that uses Cairo Graphics Library as a backend (e.g. for high-quality PDF/EPS/PNG/SVG output!). This library works and was tested with Qt >=4.7, but possibly works with all versions since Qt 4.0!

License & Previous projects

This project is licensed under the terms of the GNU General Public License >=3.0.

Parts of this project are based on ideas from the cairo4qt project by ""zgchan...@gmail.com"": https://code.google.com/p/cairo4qt/

Usage

Using this project is simple:

  1. compile the four project-files into your project:

SOURCES += qcairopaintdevice.cpp
qcairopaintengine.cpp

HEADERS += qcairopaintdevice.h
qcairopaintengine.h 2. link your project agains cairo:qmake INCLUDEPATH += cairo pixman-1 LIBS += -lcairo -lpixman-1 -lz -lpng win32:LIBS += -lgdi32 3. use the newly available QPaintDevice:c++ // include cairoQPaintDevice header #include "qcairopaintdevice.h"

// ...

// create paint device to draw to test.pdf, 200x100mm QCairoPaintDevice * cairoPDF=new QCairoPaintDevice(QSize(200,100), "test.pdf", QCairoPaintDevice::cftPDF);

// paint onto paint device { QPainter p; if (p.begin(cairoPDF)) { paint(p); } p.end(); }

// delete paint device and close/finalize file. delete cairoPDF; ```

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library for Qt: QPaintDevice implementation that uses Cairo as a backend (e.g. for high-quality PDF/EPS/PNG/SVG output!)

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