| -rw-r--r-- | noncore/graphics/drawpad/linetool.cpp | 47 |
1 files changed, 45 insertions, 2 deletions
diff --git a/noncore/graphics/drawpad/linetool.cpp b/noncore/graphics/drawpad/linetool.cpp index 94ca165..1480df2 100644 --- a/noncore/graphics/drawpad/linetool.cpp +++ b/noncore/graphics/drawpad/linetool.cpp @@ -16,6 +16,9 @@ #include "drawpad.h" #include "drawpadcanvas.h" +#include <qimage.h> +#include <qpixmap.h> + LineTool::LineTool(DrawPad* drawPad, DrawPadCanvas* drawPadCanvas) : ShapeTool(drawPad, drawPadCanvas) { @@ -29,9 +32,49 @@ void LineTool::drawFinalShape(QPainter& p) { p.setRasterOp(Qt::NotROP); p.drawLine(m_polyline[2], m_polyline[0]); - p.setPen(m_pDrawPad->pen()); + + QRect r = m_polyline.boundingRect(); + r = r.normalize(); + r.setLeft(r.left() - m_pDrawPad->pen().width()); + r.setTop(r.top() - m_pDrawPad->pen().width()); + r.setRight(r.right() + m_pDrawPad->pen().width()); + r.setBottom(r.bottom() + m_pDrawPad->pen().width()); + + QPixmap areaPixmap(r.width(), r.height()); + bitBlt(&areaPixmap, QPoint(0, 0), p.device(), r); + + QImage areaImage = areaPixmap.convertToImage(); + QImage bigAreaImage = areaImage.smoothScale(areaImage.width() * 3, areaImage.height() * 3); + + QPixmap bigAreaPixmap; + bigAreaPixmap.convertFromImage(bigAreaImage); + + QPen bigAreaPen = m_pDrawPad->pen(); + bigAreaPen.setWidth(bigAreaPen.width() * 3); + + QPainter bigAreaPainter; + bigAreaPainter.begin(&bigAreaPixmap); + bigAreaPainter.setPen(bigAreaPen); + + if (((m_polyline[2].x() < m_polyline[0].x()) && (m_polyline[2].y() < m_polyline[0].y())) + || ((m_polyline[2].x() > m_polyline[0].x()) && (m_polyline[2].y() > m_polyline[0].y()))) { + + bigAreaPainter.drawLine(bigAreaPen.width() + 1, bigAreaPen.width() + 1, + bigAreaPixmap.width() - bigAreaPen.width() - 2, + bigAreaPixmap.height() - bigAreaPen.width() - 2); + } else { + bigAreaPainter.drawLine(bigAreaPen.width() + 1, bigAreaPixmap.height() - bigAreaPen.width() - 2, + bigAreaPixmap.width() - bigAreaPen.width() - 2, bigAreaPen.width() + 1); + } + + bigAreaPainter.end(); + + bigAreaImage = bigAreaPixmap.convertToImage(); + areaImage = bigAreaImage.smoothScale(bigAreaImage.width() / 3, bigAreaImage.height() / 3); + areaPixmap.convertFromImage(areaImage); + p.setRasterOp(Qt::CopyROP); - p.drawLine(m_polyline[2], m_polyline[0]); + p.drawPixmap(r.x(), r.y(), areaPixmap); } void LineTool::drawTemporaryShape(QPainter& p) |