Diffstat (limited to 'libopie2/opieui/opixmapeffect.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | libopie2/opieui/opixmapeffect.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libopie2/opieui/opixmapeffect.cpp b/libopie2/opieui/opixmapeffect.cpp index 05f851d..794c7b2 100644 --- a/libopie2/opieui/opixmapeffect.cpp +++ b/libopie2/opieui/opixmapeffect.cpp @@ -1,211 +1,213 @@ /* 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> */ // $Id$ /* QT */ #include <qimage.h> #include <qpainter.h> /* OPIE */ #include <opie2/opixmapeffect.h> #include <opie2/oimageeffect.h> + +using namespace Opie::Ui; //====================================================================== // // Gradient effects // //====================================================================== OPixmap& OPixmapEffect::gradient(OPixmap &pixmap, const QColor &ca, const QColor &cb, GradientType eff, int ncols) { if(pixmap.depth() > 8 && (eff == VerticalGradient || eff == HorizontalGradient)) { int rDiff, gDiff, bDiff; int rca, gca, bca /*, rcb, gcb, bcb*/; 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()); register int rl = rca << 16; register int gl = gca << 16; register int bl = bca << 16; int rcdelta = ((1<<16) / (eff == VerticalGradient ? pixmap.height() : pixmap.width())) * rDiff; int gcdelta = ((1<<16) / (eff == VerticalGradient ? pixmap.height() : pixmap.width())) * gDiff; int bcdelta = ((1<<16) / (eff == VerticalGradient ? pixmap.height() : pixmap.width())) * bDiff; QPainter p(&pixmap); // these for-loops could be merged, but the if's in the inner loop // would make it slow switch(eff) { case VerticalGradient: for ( y = 0; y < pixmap.height(); y++ ) { rl += rcdelta; gl += gcdelta; bl += bcdelta; p.setPen(QColor(rl>>16, gl>>16, bl>>16)); p.drawLine(0, y, pixmap.width()-1, y); } break; case HorizontalGradient: for( x = 0; x < pixmap.width(); x++) { rl += rcdelta; gl += gcdelta; bl += bcdelta; p.setPen(QColor(rl>>16, gl>>16, bl>>16)); p.drawLine(x, 0, x, pixmap.height()-1); } break; default: ; } } else { QImage image = OImageEffect::gradient(pixmap.size(), ca, cb, (OImageEffect::GradientType) eff, ncols); pixmap.convertFromImage(image); } return pixmap; } // ----------------------------------------------------------------------------- OPixmap& OPixmapEffect::unbalancedGradient(OPixmap &pixmap, const QColor &ca, const QColor &cb, GradientType eff, int xfactor, int yfactor, int ncols) { QImage image = OImageEffect::unbalancedGradient(pixmap.size(), ca, cb, (OImageEffect::GradientType) eff, xfactor, yfactor, ncols); pixmap.convertFromImage(image); return pixmap; } //====================================================================== // // Intensity effects // //====================================================================== OPixmap& OPixmapEffect::intensity(OPixmap &pixmap, float percent) { QImage image = pixmap.convertToImage(); OImageEffect::intensity(image, percent); pixmap.convertFromImage(image); return pixmap; } // ----------------------------------------------------------------------------- OPixmap& OPixmapEffect::channelIntensity(OPixmap &pixmap, float percent, RGBComponent channel) { QImage image = pixmap.convertToImage(); OImageEffect::channelIntensity(image, percent, (OImageEffect::RGBComponent) channel); pixmap.convertFromImage(image); return pixmap; } //====================================================================== // // Blend effects // //====================================================================== OPixmap& OPixmapEffect::blend(OPixmap &pixmap, float initial_intensity, const QColor &bgnd, GradientType eff, bool anti_dir, int ncols) { QImage image = pixmap.convertToImage(); if (image.depth() <=8) image = image.convertDepth(32); //Sloww.. OImageEffect::blend(image, initial_intensity, bgnd, (OImageEffect::GradientType) eff, anti_dir); unsigned int tmp; if(pixmap.depth() <= 8 ) { if ( ncols < 2 || ncols > 256 ) ncols = 3; QColor *dPal = new QColor[ncols]; for (int i=0; i<ncols; i++) { tmp = 0 + 255 * i / ( ncols - 1 ); dPal[i].setRgb ( tmp, tmp, tmp ); } OImageEffect::dither(image, dPal, ncols); pixmap.convertFromImage(image); delete [] dPal; } else pixmap.convertFromImage(image); return pixmap; } //====================================================================== // // Hash effects // //====================================================================== OPixmap& OPixmapEffect::hash(OPixmap &pixmap, Lighting lite, unsigned int spacing, int ncols) { QImage image = pixmap.convertToImage(); OImageEffect::hash(image, (OImageEffect::Lighting) lite, spacing); unsigned int tmp; if(pixmap.depth() <= 8 ) { if ( ncols < 2 || ncols > 256 ) ncols = 3; QColor *dPal = new QColor[ncols]; for (int i=0; i<ncols; i++) { tmp = 0 + 255 * i / ( ncols - 1 ); dPal[i].setRgb ( tmp, tmp, tmp ); } OImageEffect::dither(image, dPal, ncols); pixmap.convertFromImage(image); delete [] dPal; } else pixmap.convertFromImage(image); return pixmap; } //====================================================================== // // Pattern effects |