21.08.2020, 11:49, "Ivan Klimek" <i...@xclbr.com>: > Hi Carlos, > > thanks for your fast reply > > not sure if this helps or if your question was addressed to me - from my > *very* limited understanding - how its done its done in Qt - they have the > qt_svg module that implements methods that directly write vectorized SVG > elements: > > void drawEllipse(const QRectF &r) override; > > void drawPath(const QPainterPath &path) override; > > void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr) > override; > > void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode) > override; > > void drawRects(const QRectF *rects, int rectCount) override; > > void drawTextItem(const QPointF &pt, const QTextItem &item) override; > > void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr, > > Qt::ImageConversionFlags flags = Qt::AutoColor) override; > > see here: https://github.com/qt/qtsvg/blob/dev/src/svg/qsvggenerator.cpp > > from code its used like this: > > QWebFrame *frame = m_page.mainFrame(); > QPainter painter; > QSvgGenerator svg; > > svg.setFileName(fileName); > svg.setSize(resolution); > > painter.begin(&svg); > > frame->render(&painter); > > and that's all - output is vector SVG - every text / formatting etc all vector > > cairo is able to draw to SVG vectorized too, but the surface types need to be > set correctly when drawing, I took a very light look at webkit-gtk cairo > usage and cairo surface types are image types / aka bitmap so it draws stuff > already to bitmap, and once in bitmap there is no way back :( but maybe I am > reading this wrong, not sure > > *I do not know why this is done the way it is done in webkit-gtk, maybe it > would be possible to just internally use svg surfaces?* > > would be epic if webkit-gtk could do something like that as Qt Webkit is dead > and there are so many projects using this ...
QtWebKit is not dead, I'm working on it. -- Regards, Konstantin _______________________________________________ webkit-gtk mailing list webkit-gtk@lists.webkit.org https://lists.webkit.org/mailman/listinfo/webkit-gtk
