| -rw-r--r-- | noncore/graphics/drawpad/pointtool.cpp | 40 |
1 files changed, 35 insertions, 5 deletions
diff --git a/noncore/graphics/drawpad/pointtool.cpp b/noncore/graphics/drawpad/pointtool.cpp index 656044b..22bb089 100644 --- a/noncore/graphics/drawpad/pointtool.cpp +++ b/noncore/graphics/drawpad/pointtool.cpp @@ -14,12 +14,13 @@ #include "pointtool.h" #include "drawpad.h" #include "drawpadcanvas.h" #include "page.h" +#include <qimage.h> #include <qpainter.h> PointTool::PointTool(DrawPad* drawPad, DrawPadCanvas* drawPadCanvas) : Tool(drawPad, drawPadCanvas) { m_mousePressed = false; @@ -45,28 +46,57 @@ void PointTool::mouseReleaseEvent(QMouseEvent* e) m_pDrawPadCanvas->backupPage(); } void PointTool::mouseMoveEvent(QMouseEvent* e) { if (m_mousePressed) { - QPainter painter; - painter.begin(m_pDrawPadCanvas->currentPage()); - painter.setPen(m_pDrawPad->pen()); m_polyline[2] = m_polyline[1]; m_polyline[1] = m_polyline[0]; m_polyline[0] = e->pos(); - painter.drawPolyline(m_polyline); - painter.end(); + + QPainter painter; + painter.begin(m_pDrawPadCanvas->currentPage()); 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), painter.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); + + QPointArray bigAreaPolyline(3); + bigAreaPolyline.setPoint(0, (m_polyline[0].x() - r.x()) * 3 + 1, (m_polyline[0].y() - r.y()) * 3 + 1); + bigAreaPolyline.setPoint(1, (m_polyline[1].x() - r.x()) * 3 + 1, (m_polyline[1].y() - r.y()) * 3 + 1); + bigAreaPolyline.setPoint(2, (m_polyline[2].x() - r.x()) * 3 + 1, (m_polyline[2].y() - r.y()) * 3 + 1); + + bigAreaPainter.drawPolyline(bigAreaPolyline); + bigAreaPainter.end(); + + bigAreaImage = bigAreaPixmap.convertToImage(); + areaImage = bigAreaImage.smoothScale(bigAreaImage.width() / 3, bigAreaImage.height() / 3); + areaPixmap.convertFromImage(areaImage); + + painter.drawPixmap(r.x(), r.y(), areaPixmap); + painter.end(); + QRect viewportRect(m_pDrawPadCanvas->contentsToViewport(r.topLeft()), m_pDrawPadCanvas->contentsToViewport(r.bottomRight())); bitBlt(m_pDrawPadCanvas->viewport(), viewportRect.x(), viewportRect.y(), m_pDrawPadCanvas->currentPage(), r.x(), r.y(), r.width(), r.height()); |