summaryrefslogtreecommitdiff
Side-by-side diff
Diffstat (more/less context) (show whitespace changes)
-rw-r--r--noncore/graphics/drawpad/filltool.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/noncore/graphics/drawpad/filltool.cpp b/noncore/graphics/drawpad/filltool.cpp
index 2a39d04..b47aa60 100644
--- a/noncore/graphics/drawpad/filltool.cpp
+++ b/noncore/graphics/drawpad/filltool.cpp
@@ -1,160 +1,165 @@
/***************************************************************************
* *
* 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>
const int FILL_THRESHOLD = 65536;
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()->pixmap()->convertToImage();
+
+ if (m_image.depth() <= 8) {
+ m_image = m_image.convertDepth(32);
+ }
+
m_fillRgb = m_pDrawPad->brush().color().rgb();
m_oldRgb = m_image.pixel(x, y);
if (m_oldRgb != m_fillRgb) {
m_pDrawPadCanvas->backupPage();
if (m_pDrawPad->antiAliasing()) {
m_mask.create(m_image.width(), m_image.height(), 8, 2);
m_mask.fill(0);
fillMaskLine(x, y);
for (int i = 0; i < m_image.width(); i++) {
for (int j = 0; j < m_image.height(); j++) {
if (m_mask.pixelIndex(i, j) == 1) {
setInterpolatedPixel(i, j);
}
}
}
} else {
fillLine(x, y);
}
m_pDrawPadCanvas->currentPage()->pixmap()->convertFromImage(m_image);
m_pDrawPadCanvas->viewport()->update();
}
}
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);
}
}
}
}
void FillTool::fillMaskLine(int x, int y)
{
if ((x >= 0) && (x < m_image.width()) && (y >= 0) && (y < m_image.height())) {
if (m_mask.pixelIndex(x, y) == 0) {
if (rgbDistance(m_image.pixel(x, y), m_oldRgb) < FILL_THRESHOLD) {
int x1, x2;
x1 = x - 1;
x2 = x + 1;
while ((x1 >= 0) && (rgbDistance(m_image.pixel(x1, y), m_oldRgb) < FILL_THRESHOLD)) {
x1--;
}
while ((x2 < m_image.width()) && (rgbDistance(m_image.pixel(x2, y), m_oldRgb) < FILL_THRESHOLD)) {
x2++;
}
for (int i = x1 + 1; i < x2; i++) {
m_mask.setPixel(i, y, 1);
}
for (int i = x1 + 1; i < x2; i++) {
fillMaskLine(i, y - 1);
}
for (int i = x1 + 1; i < x2; i++) {
fillMaskLine(i, y + 1);
}
}
}
}
}
void FillTool::setInterpolatedPixel(int x, int y)
{
int fillRed = QMIN(QMAX(qRed(m_fillRgb) + qRed(m_image.pixel(x, y)) - qRed(m_oldRgb), 0), 255);
int fillGreen = QMIN(QMAX(qGreen(m_fillRgb) + qGreen(m_image.pixel(x, y)) - qGreen(m_oldRgb), 0), 255);
int fillBlue = QMIN(QMAX(qBlue(m_fillRgb) + qBlue(m_image.pixel(x, y)) - qBlue(m_oldRgb), 0), 255);
m_image.setPixel(x, y, qRgb(fillRed, fillGreen, fillBlue));
}
int FillTool::rgbDistance(QRgb rgb1, QRgb rgb2)
{
int redDistance = qRed(rgb2) - qRed(rgb1);
int greenDistance = qGreen(rgb2) - qGreen(rgb1);
int blueDistance = qBlue(rgb2) - qBlue(rgb1);
return (redDistance * redDistance + greenDistance * greenDistance + blueDistance * blueDistance);
}