/* This file is part of the KDE libraries Copyright (C) 2003 Fredrik H�glund <fredrik@kde.org> 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include <tqimage.h> #include <tqfile.h> #include <kdemacros.h> #include "cursorcreator.h" #include <X11/Xlib.h> #include <X11/Xcursor/Xcursor.h> extern "C" { KDE_EXPORT ThumbCreator *new_creator() { return new CursorCreator; } } bool CursorCreator::create( const TQString &path, int width, int height, TQImage &img ) { XcursorImage *cursor = XcursorFilenameLoadImage( TQFile::encodeName( path ).data(), width > height ? height : width ); if ( cursor ) { img = TQImage( reinterpret_cast<uchar *>( cursor->pixels ), cursor->width, cursor->height, 32, NULL, 0, TQImage::BigEndian ); img.setAlphaBuffer( true ); // Convert the image to non-premultiplied alpha TQ_UINT32 *pixels = reinterpret_cast<TQ_UINT32 *>( img.bits() ); for ( int i = 0; i < (img.width() * img.height()); i++ ) { float alpha = tqAlpha( pixels[i] ) / 255.0; if ( alpha > 0.0 && alpha < 1.0 ) pixels[i] = tqRgba( int( tqRed(pixels[i]) / alpha ), int( tqGreen(pixels[i]) / alpha ), int( tqBlue(pixels[i]) / alpha ), tqAlpha(pixels[i]) ); } // Create a deep copy of the image so the image data is preserved img = img.copy(); XcursorImageDestroy( cursor ); return true; } return false; }