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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 "filltool.h"
#include "drawpad.h"
#include "drawpadcanvas.h"
#include "page.h"
#include <qimage.h>
FillTool::FillTool(DrawPad* drawPad, DrawPadCanvas* drawPadCanvas)
: Tool(drawPad, drawPadCanvas)
{
}
FillTool::~FillTool()
{
}
void FillTool::mousePressEvent(QMouseEvent* e)
{
int x = e->x();
int y = e->y();
m_image = m_pDrawPadCanvas->currentPage()->convertToImage();
m_fillRgb = m_pDrawPad->brush().color().rgb();
m_oldRgb = m_image.pixel(x, y);
if (m_oldRgb != m_fillRgb) {
fillLine(x, y);
m_pDrawPadCanvas->currentPage()->convertFromImage(m_image);
m_pDrawPadCanvas->viewport()->update();
m_pDrawPadCanvas->backupPage();
}
}
void FillTool::mouseReleaseEvent(QMouseEvent* e)
{
Q_UNUSED(e)
}
void FillTool::mouseMoveEvent(QMouseEvent* e)
{
Q_UNUSED(e)
}
void FillTool::fillLine(int x, int y)
{
if ((x >= 0) && (x < m_image.width()) && (y >= 0) && (y < m_image.height())) {
if (m_image.pixel(x, y) == m_oldRgb) {
int x1, x2;
x1 = x - 1;
x2 = x + 1;
while ((x1 >= 0) && (m_image.pixel(x1, y) == m_oldRgb)) {
x1--;
}
while ((x2 < m_image.width()) && (m_image.pixel(x2, y) == m_oldRgb)) {
x2++;
}
for (int i = x1 + 1; i < x2; i++) {
m_image.setPixel(i, y, m_fillRgb);
}
for (int i = x1 + 1; i < x2; i++) {
fillLine(i, y - 1);
}
for (int i = x1 + 1; i < x2; i++) {
fillLine(i, y + 1);
}
}
}
}
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