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tdegraphics/kolourpaint/widgets/kptoolwidgeterasersize.cpp

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/*
Copyright (c) 2003,2004,2005 Clarence Dang <dang@kde.org>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define DEBUG_KP_TOOL_WIDGET_ERASER_SIZE 0
#include <kptoolwidgeterasersize.h>
#include <tqbitmap.h>
#include <tqpainter.h>
#include <kdebug.h>
#include <klocale.h>
#include <kpcolor.h>
#include <kptool.h>
static int eraserSizes [] = {2, 3, 5, 9, 17, 29};
static const int numEraserSizes = int (sizeof (eraserSizes) / sizeof (eraserSizes [0]));
kpToolWidgetEraserSize::kpToolWidgetEraserSize (TQWidget *parent, const char *name)
: kpToolWidgetBase (parent, name)
{
setInvertSelectedPixmap ();
m_cursorPixmaps = new TQPixmap [numEraserSizes];
TQPixmap *cursorPixmap = m_cursorPixmaps;
for (int i = 0; i < numEraserSizes; i++)
{
if (i == 3 || i == 5)
startNewOptionRow ();
int s = eraserSizes [i];
cursorPixmap->resize (s, s);
cursorPixmap->fill (Qt::black);
TQPixmap previewPixmap (s, s);
if (i < 3)
{
// HACK: kpToolWidgetBase's layout code sucks and gives uneven spacing
previewPixmap.resize ((width () - 4) / 3, 9);
}
TQPainter painter (&previewPixmap);
TQRect rect ((previewPixmap.width () - s) / 2, (previewPixmap.height () - s) / 2, s, s);
painter.fillRect (rect, Qt::black);
painter.end ();
TQBitmap mask (previewPixmap.width (), previewPixmap.height ());
mask.fill (Qt::color0/*transparent*/);
TQPainter maskPainter (&mask);
maskPainter.fillRect (rect, Qt::color1/*opaque*/);
maskPainter.end ();
previewPixmap.setMask (mask);
addOption (previewPixmap, i18n ("%1x%2").arg (s).arg (s)/*tooltip*/);
cursorPixmap++;
}
finishConstruction (1, 0);
}
kpToolWidgetEraserSize::~kpToolWidgetEraserSize ()
{
delete [] m_cursorPixmaps;
}
int kpToolWidgetEraserSize::eraserSize () const
{
return eraserSizes [selected ()];
}
TQPixmap kpToolWidgetEraserSize::cursorPixmap (const kpColor &color) const
{
#if DEBUG_KP_TOOL_WIDGET_ERASER_SIZE
kdDebug () << "kpToolWidgetEraseSize::cursorPixmap() selected=" << selected ()
<< " numEraserSizes=" << numEraserSizes
<< endl;
#endif
// TODO: why are we even storing m_cursorPixmaps?
TQPixmap pixmap = m_cursorPixmaps [selected ()];
if (color.isOpaque ())
pixmap.fill (color.toQColor ());
bool showBorder = (pixmap.width () > 2 && pixmap.height () > 2);
if (showBorder)
{
TQPainter painter (&pixmap);
painter.setPen (Qt::black);
painter.drawRect (pixmap.rect ());
}
if (color.isTransparent ())
{
TQBitmap maskBitmap (pixmap.width (), pixmap.height ());
maskBitmap.fill (Qt::color0/*transparent*/);
if (showBorder)
{
TQPainter maskBitmapPainter (&maskBitmap);
maskBitmapPainter.setPen (Qt::color1/*opaque*/);
maskBitmapPainter.drawRect (maskBitmap.rect ());
}
pixmap.setMask (maskBitmap);
}
return pixmap;
}
// virtual protected slot [base kpToolWidgetBase]
bool kpToolWidgetEraserSize::setSelected (int row, int col, bool saveAsDefault)
{
const bool ret = kpToolWidgetBase::setSelected (row, col, saveAsDefault);
if (ret)
emit eraserSizeChanged (eraserSize ());
return ret;
}
#include <kptoolwidgeterasersize.moc>