-rw-r--r-- | noncore/styles/theme/ogfxeffect.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/noncore/styles/theme/ogfxeffect.cpp b/noncore/styles/theme/ogfxeffect.cpp index a991728..55f3c1f 100644 --- a/noncore/styles/theme/ogfxeffect.cpp +++ b/noncore/styles/theme/ogfxeffect.cpp @@ -1,148 +1,148 @@ /* 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" //====================================================================== // // Gradient effects // //====================================================================== QPixmap& OGfxEffect::gradient(QPixmap &pixmap, const QColor &ca, - const QColor &cb, GradientType eff, int ncols) + 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 = OGfxEffect::gradient(pixmap.size(), ca, cb, // (OGfxEffect::GradientType) eff, ncols); // pixmap.convertFromImage(image); } return pixmap; } //====================================================================== // // Blend effects // //====================================================================== QPixmap& OGfxEffect::blend(QPixmap &pixmap, float initial_intensity, const QColor &bgnd, GradientType eff, - bool anti_dir, int ncols) + bool anti_dir, int /*ncols*/) { QImage image = pixmap.convertToImage(); OGfxEffect::blend(image, initial_intensity, bgnd, eff, anti_dir); - unsigned int tmp; - if ( pixmap. depth ( ) <= 8 ) image. convertDepth ( pixmap. depth ( )); pixmap.convertFromImage(image); return pixmap; } QImage& OGfxEffect::blend(QImage &image, float initial_intensity, const QColor &bgnd, GradientType eff, bool anti_dir) { if (image.width() == 0 || image.height() == 0) { qDebug ( "Invalid image\n" ); return image; } int r_bgnd = bgnd.red(), g_bgnd = bgnd.green(), b_bgnd = bgnd.blue(); int r, g, b; int ind; unsigned int xi, xf, yi, yf; unsigned int a; // check the boundaries of the initial intesity param float unaffected = 1; if (initial_intensity > 1) initial_intensity = 1; if (initial_intensity < -1) initial_intensity = -1; if (initial_intensity < 0) { unaffected = 1. + initial_intensity; initial_intensity = 0; } float intensity = initial_intensity; float var = 1. - initial_intensity; if (anti_dir) { initial_intensity = intensity = 1.; var = -var; } register int x, y; unsigned int *data = (unsigned int *)image.bits(); if( eff == VerticalGradient || eff == HorizontalGradient ) { @@ -173,141 +173,141 @@ QImage& OGfxEffect::blend(QImage &image, float initial_intensity, (g_bgnd - qGreen(data[ind]))); b = qBlue (data[ind]) + (int)(intensity * (b_bgnd - qBlue (data[ind]))); if (r > 255) r = 255; if (r < 0 ) r = 0; if (g > 255) g = 255; if (g < 0 ) g = 0; if (b > 255) b = 255; if (b < 0 ) b = 0; a = qAlpha(data[ind]); data[ind] = qRgba(r, g, b, a); } } } else if (eff == DiagonalGradient || eff == CrossDiagonalGradient) { float xvar = var / 2 / image.width(); // / unaffected; float yvar = var / 2 / image.height(); // / unaffected; float tmp; for (x = 0; x < image.width() ; x++) { tmp = xvar * (eff == DiagonalGradient? x : image.width()-x-1); for (y = 0; y < image.height() ; y++) { intensity = initial_intensity + tmp + yvar * y; ind = x + image.width() * y ; r = qRed (data[ind]) + (int)(intensity * (r_bgnd - qRed (data[ind]))); g = qGreen(data[ind]) + (int)(intensity * (g_bgnd - qGreen(data[ind]))); b = qBlue (data[ind]) + (int)(intensity * (b_bgnd - qBlue (data[ind]))); if (r > 255) r = 255; if (r < 0 ) r = 0; if (g > 255) g = 255; if (g < 0 ) g = 0; if (b > 255) b = 255; if (b < 0 ) b = 0; a = qAlpha(data[ind]); data[ind] = qRgba(r, g, b, a); } } } else if (eff == RectangleGradient || eff == EllipticGradient) { float xvar; float yvar; for (x = 0; x < image.width() / 2 + image.width() % 2; x++) { xvar = var / image.width() * (image.width() - x*2/unaffected-1); for (y = 0; y < image.height() / 2 + image.height() % 2; y++) { yvar = var / image.height() * (image.height() - y*2/unaffected -1); if (eff == RectangleGradient) intensity = initial_intensity + QMAX(xvar, yvar); else - intensity = initial_intensity + sqrt(xvar * xvar + yvar * yvar); + intensity = initial_intensity + qSqrt(xvar * xvar + yvar * yvar); if (intensity > 1) intensity = 1; if (intensity < 0) intensity = 0; //NW ind = x + image.width() * y ; r = qRed (data[ind]) + (int)(intensity * (r_bgnd - qRed (data[ind]))); g = qGreen(data[ind]) + (int)(intensity * (g_bgnd - qGreen(data[ind]))); b = qBlue (data[ind]) + (int)(intensity * (b_bgnd - qBlue (data[ind]))); if (r > 255) r = 255; if (r < 0 ) r = 0; if (g > 255) g = 255; if (g < 0 ) g = 0; if (b > 255) b = 255; if (b < 0 ) b = 0; a = qAlpha(data[ind]); data[ind] = qRgba(r, g, b, a); //NE ind = image.width() - x - 1 + image.width() * y ; r = qRed (data[ind]) + (int)(intensity * (r_bgnd - qRed (data[ind]))); g = qGreen(data[ind]) + (int)(intensity * (g_bgnd - qGreen(data[ind]))); b = qBlue (data[ind]) + (int)(intensity * (b_bgnd - qBlue (data[ind]))); if (r > 255) r = 255; if (r < 0 ) r = 0; if (g > 255) g = 255; if (g < 0 ) g = 0; if (b > 255) b = 255; if (b < 0 ) b = 0; a = qAlpha(data[ind]); data[ind] = qRgba(r, g, b, a); } } //CT loop is doubled because of stupid central row/column issue. // other solution? for (x = 0; x < image.width() / 2; x++) { xvar = var / image.width() * (image.width() - x*2/unaffected-1); for (y = 0; y < image.height() / 2; y++) { yvar = var / image.height() * (image.height() - y*2/unaffected -1); if (eff == RectangleGradient) intensity = initial_intensity + QMAX(xvar, yvar); else - intensity = initial_intensity + sqrt(xvar * xvar + yvar * yvar); + intensity = initial_intensity + qSqrt(xvar * xvar + yvar * yvar); if (intensity > 1) intensity = 1; if (intensity < 0) intensity = 0; //SW ind = x + image.width() * (image.height() - y -1) ; r = qRed (data[ind]) + (int)(intensity * (r_bgnd - qRed (data[ind]))); g = qGreen(data[ind]) + (int)(intensity * (g_bgnd - qGreen(data[ind]))); b = qBlue (data[ind]) + (int)(intensity * (b_bgnd - qBlue (data[ind]))); if (r > 255) r = 255; if (r < 0 ) r = 0; if (g > 255) g = 255; if (g < 0 ) g = 0; if (b > 255) b = 255; if (b < 0 ) b = 0; a = qAlpha(data[ind]); data[ind] = qRgba(r, g, b, a); //SE ind = image.width()-x-1 + image.width() * (image.height() - y - 1) ; r = qRed (data[ind]) + (int)(intensity * (r_bgnd - qRed (data[ind]))); g = qGreen(data[ind]) + (int)(intensity * (g_bgnd - qGreen(data[ind]))); b = qBlue (data[ind]) + (int)(intensity * (b_bgnd - qBlue (data[ind]))); if (r > 255) r = 255; if (r < 0 ) r = 0; if (g > 255) g = 255; if (g < 0 ) g = 0; if (b > 255) b = 255; if (b < 0 ) b = 0; a = qAlpha(data[ind]); data[ind] = qRgba(r, g, b, a); } } } else qDebug ( "not implemented\n" ); return image; } #if 0 // Not very efficient as we create a third big image... // QImage& KQGfxEffect::blend(QImage &image1, QImage &image2, GradientType gt, int xf, int yf) { if (image1.width() == 0 || image1.height() == 0 || image2.width() == 0 || image2.height() == 0) |