| -rw-r--r-- | noncore/styles/theme/ogfxeffect.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/noncore/styles/theme/ogfxeffect.cpp b/noncore/styles/theme/ogfxeffect.cpp index cc5bbcd..2071a67 100644 --- a/noncore/styles/theme/ogfxeffect.cpp +++ b/noncore/styles/theme/ogfxeffect.cpp @@ -1,80 +1,82 @@ /* This file is part of the KDE libraries Copyright (C) 1998, 1999 Christian Tibirna <ctibirna@total.net> (C) 1998, 1999 Daniel M. Duley <mosfet@kde.org> (C) 1998, 1999 Dirk A. Mueller <mueller@kde.org> */ // $Id$ #include <qimage.h> #include <qpainter.h> #include <qpe/qmath.h> #include "ogfxeffect.h" +#include <cstdlib> +#include <cmath> //====================================================================== // // Gradient effects // //====================================================================== QPixmap& OGfxEffect::gradient(QPixmap &pixmap, const QColor &ca, const QColor &cb, GradientType eff, int ncols) { QImage image = gradient(pixmap.size(), ca, cb, eff, ncols); pixmap.convertFromImage(image); return pixmap; } QImage OGfxEffect::gradient(const QSize &size, const QColor &ca, const QColor &cb, GradientType eff, int /*ncols*/) { int rDiff, gDiff, bDiff; int rca, gca, bca, rcb, gcb, bcb; QImage image(size, 32); if (size.width() == 0 || size.height() == 0) { qDebug ( "WARNING: OGfxEffect::gradient: invalid image" ); return image; } register int x, y; rDiff = (rcb = cb.red()) - (rca = ca.red()); gDiff = (gcb = cb.green()) - (gca = ca.green()); bDiff = (bcb = cb.blue()) - (bca = ca.blue()); if( eff == VerticalGradient || eff == HorizontalGradient ){ uint *p; uint rgb; register int rl = rca << 16; register int gl = gca << 16; register int bl = bca << 16; if( eff == VerticalGradient ) { int rcdelta = ((1<<16) / size.height()) * rDiff; int gcdelta = ((1<<16) / size.height()) * gDiff; int bcdelta = ((1<<16) / size.height()) * bDiff; for ( y = 0; y < size.height(); y++ ) { p = (uint *) image.scanLine(y); rl += rcdelta; gl += gcdelta; bl += bcdelta; rgb = qRgb( (rl>>16), (gl>>16), (bl>>16) ); for( x = 0; x < size.width(); x++ ) { *p = rgb; p++; } |