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forgot to remove shadow.h/.cpp

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svn path=/trunk/kdebase/kwin/; revision=399002
This commit is contained in:
Sandro Giessl 2005-03-19 16:17:56 +00:00
parent 4e10228f75
commit ab29b1a699
2 changed files with 0 additions and 146 deletions
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109
clients/plastik/shadow.cpp
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@ -1,109 +0,0 @@
/* Copyright (C) 2003-2005 by Sandro Giessl
*
* based on the text shadow code from KHTML. Original copyright notes:
*
* This file is part of the DOM implementation for KDE.
*
* Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
* (C) 2000-2003 Dirk Mueller (mueller@kde.org)
* (C) 2003 Apple Computer, Inc.
* (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "shadow.h"
#include <qcolor.h>
#include <qimage.h>
#include <qpainter.h>
#include <qpixmap.h>
#ifdef HAVE_ALLOCA_H
// explicitly included for systems that don't provide it in stdlib.h
#include <alloca.h>
#else
#include <stdlib.h>
#endif
void paintShadow(QPainter *pt, const QPixmap& textPixmap, int x, int y, int thickness, const QColor &c)
{
const QRgb color = c.rgb();
const int fgGray = qGray(qRgb(255,255,255) );
const QRgb bgColor = qRgb(0,0,0);
const int w = textPixmap.width();
const int h = textPixmap.height();
QImage img = textPixmap.convertToImage().convertDepth(32);
int md = thickness*thickness; // max-dist²
// blur map (division cache)
float *bmap = (float*)alloca(sizeof(float)*(md+1));
for(int n=0; n<=md; n++) {
float f;
f = n/(float)(md+1);
f = 1.0 - f*f;
bmap[n] = f;
}
float factor = 0.0; // maximal opacity-sum
for(int n=-thickness; n<=thickness; n++) {
for(int m=-thickness; m<=thickness; m++) {
int d = n*n+m*m;
if (d<=md) {
factor += bmap[d];
}
}
}
factor = 1.0/factor;
// alpha map
float* amap = (float*)alloca(sizeof(float)*(h*w));
memset(amap, 0, h*w*(sizeof(float)));
for(int j=thickness; j<h-thickness; j++) {
for(int i=thickness; i<w-thickness; i++) {
QRgb col= img.pixel(i,j);
if (col == bgColor) continue;
float g = qGray(col);
g = g/fgGray;
for(int n=-thickness; n<=thickness; n++) {
for(int m=-thickness; m<=thickness; m++) {
int d = n*n+m*m;
if (d>md) continue;
float f = bmap[d];
amap[(i+m)+(j+n)*w] += (g*f);
}
}
}
}
QImage res(w,h,32);
res.setAlphaBuffer(true);
int r = qRed(color);
int g = qGreen(color);
int b = qBlue(color);
for(int j=0; j<h; j++) {
for(int i=0; i<w; i++) {
res.setPixel(i,j, qRgba(r,g,b,(int)(amap[i+j*w]*factor*255.0)));
}
}
pt->drawImage(x,y, res);
}

37
clients/plastik/shadow.h
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@ -1,37 +0,0 @@
/* Copyright (C) 2003-2005 by Sandro Giessl
*
* based on the text shadow code from KHTML. Original copyright notes:
*
* This file is part of the DOM implementation for KDE.
*
* Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
* (C) 2000-2003 Dirk Mueller (mueller@kde.org)
* (C) 2003 Apple Computer, Inc.
* (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __FX_SHADOW
#define __FX_SHADOW
class QColor;
class QPainter;
class QPixmap;
void paintShadow(QPainter *pt, const QPixmap& textPixmap, int x, int y, int thickness, const QColor &color);
#endif