-rw-r--r-- | noncore/graphics/drawpad/filltool.cpp | 5 |
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); } |