author | leseb <leseb> | 2002-03-16 22:19:40 (UTC) |
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committer | leseb <leseb> | 2002-03-16 22:19:40 (UTC) |
commit | 8111d4bf6281420b7f44ae70c26d2531cfe34401 (patch) (side-by-side diff) | |
tree | 4c106c80125ec35faa57df9d7af492c4b481db58 /noncore/graphics/drawpad/erasedrawmode.cpp | |
parent | 54f8d1b709b198dbdedf17dc2b4a8dd4625c5751 (diff) | |
download | opie-8111d4bf6281420b7f44ae70c26d2531cfe34401.zip opie-8111d4bf6281420b7f44ae70c26d2531cfe34401.tar.gz opie-8111d4bf6281420b7f44ae70c26d2531cfe34401.tar.bz2 |
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Diffstat (limited to 'noncore/graphics/drawpad/erasedrawmode.cpp') (more/less context) (show whitespace changes)
-rw-r--r-- | noncore/graphics/drawpad/erasedrawmode.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/noncore/graphics/drawpad/erasedrawmode.cpp b/noncore/graphics/drawpad/erasedrawmode.cpp new file mode 100644 index 0000000..b8e80bc --- a/dev/null +++ b/noncore/graphics/drawpad/erasedrawmode.cpp @@ -0,0 +1,68 @@ +/*************************************************************************** + * * + * DrawPad - a drawing program for Opie Environment * + * * + * (C) 2002 by S. Prud'homme <prudhomme@laposte.net> * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + ***************************************************************************/ + +#include "erasedrawmode.h" + +#include "drawpad.h" +#include "drawpadcanvas.h" + +#include <qpainter.h> +#include <qpixmap.h> + +EraseDrawMode::EraseDrawMode(DrawPad* drawPad, DrawPadCanvas* drawPadCanvas) + : DrawMode(drawPad, drawPadCanvas) +{ + m_mousePressed = false; + m_polyline.resize(3); +} + +EraseDrawMode::~EraseDrawMode() +{ +} + +void EraseDrawMode::mousePressEvent(QMouseEvent* e) +{ + m_mousePressed = true; + m_polyline[2] = m_polyline[1] = m_polyline[0] = e->pos(); +} + +void EraseDrawMode::mouseReleaseEvent(QMouseEvent* e) +{ + Q_UNUSED(e); + + m_mousePressed = false; +} + +void EraseDrawMode::mouseMoveEvent(QMouseEvent* e) +{ + if (m_mousePressed) { + QPainter painter; + QPen pen(Qt::white, m_pDrawPad->pen().width()); + painter.begin(m_pDrawPadCanvas->currentPage()); + painter.setPen(pen); + m_polyline[2] = m_polyline[1]; + m_polyline[1] = m_polyline[0]; + m_polyline[0] = e->pos(); + painter.drawPolyline(m_polyline); + painter.end(); + + 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()); + + bitBlt(m_pDrawPadCanvas, r.x(), r.y(), m_pDrawPadCanvas->currentPage(), r.x(), r.y(), r.width(), r.height()); + } +} |