diff options
Diffstat (limited to 'kolourpaint/widgets/kptoolwidgeterasersize.cpp')
-rw-r--r-- | kolourpaint/widgets/kptoolwidgeterasersize.cpp | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/kolourpaint/widgets/kptoolwidgeterasersize.cpp b/kolourpaint/widgets/kptoolwidgeterasersize.cpp new file mode 100644 index 00000000..cc58c0d1 --- /dev/null +++ b/kolourpaint/widgets/kptoolwidgeterasersize.cpp @@ -0,0 +1,161 @@ + +/* + Copyright (c) 2003,2004,2005 Clarence Dang <[email protected]> + 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 <qbitmap.h> +#include <qpainter.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 (QWidget *parent, const char *name) + : kpToolWidgetBase (parent, name) +{ + setInvertSelectedPixmap (); + + m_cursorPixmaps = new QPixmap [numEraserSizes]; + QPixmap *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); + + + QPixmap previewPixmap (s, s); + if (i < 3) + { + // HACK: kpToolWidgetBase's layout code sucks and gives uneven spacing + previewPixmap.resize ((width () - 4) / 3, 9); + } + + QPainter painter (&previewPixmap); + QRect rect ((previewPixmap.width () - s) / 2, (previewPixmap.height () - s) / 2, s, s); + painter.fillRect (rect, Qt::black); + painter.end (); + + QBitmap mask (previewPixmap.width (), previewPixmap.height ()); + mask.fill (Qt::color0/*transparent*/); + + QPainter 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 ()]; +} + +QPixmap 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? + QPixmap pixmap = m_cursorPixmaps [selected ()]; + if (color.isOpaque ()) + pixmap.fill (color.toQColor ()); + + + bool showBorder = (pixmap.width () > 2 && pixmap.height () > 2); + + if (showBorder) + { + QPainter painter (&pixmap); + painter.setPen (Qt::black); + painter.drawRect (pixmap.rect ()); + } + + + if (color.isTransparent ()) + { + QBitmap maskBitmap (pixmap.width (), pixmap.height ()); + maskBitmap.fill (Qt::color0/*transparent*/); + + + if (showBorder) + { + QPainter 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> |