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87 lines
2.6 KiB
87 lines
2.6 KiB
/* SuSE KWin window decoration
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Copyright (C) 2005 Adrian Schroeter <adrian@suse.de>
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based on the window decoration "Plastik" and "Web":
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Copyright (C) 2003 Sandro Giessl <ceebx@users.sourceforge.net>
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Copyright (C) 2001 Rik Hemsley (rikkus) <rik@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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Boston, MA 02110-1301 USA.
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*/
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#include <kpixmap.h>
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#include <kpixmapeffect.h>
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#include <tqcolor.h>
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#include <tqimage.h>
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#include <tqpainter.h>
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#include "misc.h"
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TQColor hsvRelative(TQColor& baseColor, int relativeH, int relativeS, int relativeV)
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{
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int h, s, v;
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baseColor.hsv(&h, &s, &v);
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h += relativeH;
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s += relativeS;
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v += relativeV;
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if(h < 0) { h = 0; }
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else if(h > 359) { h = 359; }
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if(s < 0) { s = 0; }
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else if(s > 255) { s = 255; }
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if(v < 0) { v = 0; }
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else if(v > 255) { v = 255; }
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TQColor c;
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c.setHsv( h, s, v );
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return c;
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}
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TQColor alphaBlendColors(const TQColor &bgColor, const TQColor &fgColor, const int a)
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{
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// normal button...
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TQRgb rgb = bgColor.rgb();
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TQRgb rgb_b = fgColor.rgb();
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int alpha = a;
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if(alpha>255) alpha = 255;
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if(alpha<0) alpha = 0;
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int inv_alpha = 255 - alpha;
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TQColor result = TQColor( tqRgb(tqRed(rgb_b)*inv_alpha/255 + tqRed(rgb)*alpha/255,
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tqGreen(rgb_b)*inv_alpha/255 + tqGreen(rgb)*alpha/255,
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tqBlue(rgb_b)*inv_alpha/255 + tqBlue(rgb)*alpha/255) );
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return result;
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}
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TQImage recolorImage(TQImage *img, TQColor color) {
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TQImage destImg(img->width(),img->height(),32);
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destImg.setAlphaBuffer(true);
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for (int x = 0; x < img->width(); x++) {
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for (int y = 0; y < img->height(); y++) {
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if(img->pixel(x,y) == tqRgb(0,0,0)) {
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destImg.setPixel(x,y,color.rgb() ); // set to the new color
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} else {
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destImg.setPixel(x,y,tqRgba(0,0,0,0) ); // set transparent...
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}
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}
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}
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return destImg;
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}
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