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/***************************************************************************
* *
* 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 "linedrawmode.h"
#include "drawpad.h"
#include "drawpadcanvas.h"
#include <qpainter.h>
#include <qpixmap.h>
LineDrawMode::LineDrawMode(DrawPad* drawPad, DrawPadCanvas* drawPadCanvas)
: DrawMode(drawPad, drawPadCanvas)
{
m_mousePressed = false;
m_polyline.resize(3);
}
LineDrawMode::~LineDrawMode()
{
}
void LineDrawMode::mousePressEvent(QMouseEvent* e)
{
m_mousePressed = true;
m_polyline[2] = m_polyline[1] = m_polyline[0] = e->pos();
}
void LineDrawMode::mouseReleaseEvent(QMouseEvent* e)
{
Q_UNUSED(e);
QPainter painter;
painter.begin(m_pDrawPadCanvas->currentPage());
painter.setPen(m_pDrawPad->pen());
painter.drawLine(m_polyline[2], m_polyline[0]);
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());
m_mousePressed = false;
}
void LineDrawMode::mouseMoveEvent(QMouseEvent* e)
{
if (m_mousePressed) {
QPainter painter;
painter.begin(m_pDrawPadCanvas->currentPage());
painter.setRasterOp(Qt::NotROP);
m_polyline[0] = e->pos();
painter.drawLine(m_polyline[2], m_polyline[1]);
painter.drawLine(m_polyline[2], m_polyline[0]);
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());
m_polyline[1] = m_polyline[0];
}
}
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