bool ExportHtml::convertSvm(QByteArray &input, QByteArray &output, QSize size) { QBuffer *outBuf = new QBuffer(&output); QSvgGenerator generator; generator.setOutputDevice(outBuf); generator.setSize(QSize(200, 200)); generator.setTitle("Svg image"); generator.setDescription("This is an svg image that is converted from svm by Calligra"); Libsvm::SvmParser svmParser; QPainter painter; if (!painter.begin(&generator)) { kDebug(30503) << "Can not open the painter"; return false; } painter.scale(50,50); Libsvm::SvmPainterBackend svmPainterBackend(&painter, size); svmParser.setBackend(&svmPainterBackend); if (!svmParser.parse(input)) { kDebug(30503) << "Can not Parse the Svm file"; return false; } painter.end(); return true; }
void RenderThread::drawSvm(QPainter &painter) const { QSize shapeSizeInt( m_size.width(), m_size.height() ); Libsvm::SvmParser svmParser; // Create a new painter backend. Libsvm::SvmPainterBackend svmPaintOutput(&painter, shapeSizeInt); svmParser.setBackend(&svmPaintOutput); svmParser.parse(m_contents); }