Improve PagePainter and LineAnnotPainter documentation
Write doxygen documentation for:
- PagePainter::paintPageOnPainter(), paintCroppedPageOnPainter()
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Change Colors
algorithm functions of PagePainter - PagePainter::drawShapeOnImage(), drawPixmapOnImage(); very straightforward, but added a note on the coordinate system.
- LineAnnotPainter constructor, draw()
Remove unused functions:
- PagePainter::cropPixmapOnImage(), QPixmap::copy() can do it easily today.