Diffstat (limited to 'noncore/graphics/drawpad/filltool.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/graphics/drawpad/filltool.cpp | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/noncore/graphics/drawpad/filltool.cpp b/noncore/graphics/drawpad/filltool.cpp new file mode 100644 index 0000000..3297d21 --- a/dev/null +++ b/noncore/graphics/drawpad/filltool.cpp @@ -0,0 +1,88 @@ +/*************************************************************************** + * * + * 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 <qimage.h> +#include <qpixmap.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(); + } +} + +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); + } + } + } +} |