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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit4aed2c8219774f5d797760606b8489a92ddc5163 (patch)
tree3f8c130f7d269626bf6a9447407ef6c35954426a /kioslave/thumbnail/cursorcreator.cpp
downloadtdebase-4aed2c8219774f5d797760606b8489a92ddc5163.tar.gz
tdebase-4aed2c8219774f5d797760606b8489a92ddc5163.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kioslave/thumbnail/cursorcreator.cpp')
-rw-r--r--kioslave/thumbnail/cursorcreator.cpp69
1 files changed, 69 insertions, 0 deletions
diff --git a/kioslave/thumbnail/cursorcreator.cpp b/kioslave/thumbnail/cursorcreator.cpp
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+/* This file is part of the KDE libraries
+ Copyright (C) 2003 Fredrik Höglund <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 <qimage.h>
+#include <qfile.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 QString &path, int width, int height, QImage &img )
+{
+ XcursorImage *cursor = XcursorFilenameLoadImage(
+ QFile::encodeName( path ).data(),
+ width > height ? height : width );
+
+ if ( cursor ) {
+ img = QImage( reinterpret_cast<uchar *>( cursor->pixels ),
+ cursor->width, cursor->height, 32,
+ NULL, 0, QImage::BigEndian );
+ img.setAlphaBuffer( true );
+
+ // Convert the image to non-premultiplied alpha
+ Q_UINT32 *pixels = reinterpret_cast<Q_UINT32 *>( img.bits() );
+ for ( int i = 0; i < (img.width() * img.height()); i++ ) {
+ float alpha = qAlpha( pixels[i] ) / 255.0;
+ if ( alpha > 0.0 && alpha < 1.0 )
+ pixels[i] = qRgba( int( qRed(pixels[i]) / alpha ),
+ int( qGreen(pixels[i]) / alpha ),
+ int( qBlue(pixels[i]) / alpha ),
+ qAlpha(pixels[i]) );
+ }
+
+ // Create a deep copy of the image so the image data is preserved
+ img = img.copy();
+ XcursorImageDestroy( cursor );
+ return true;
+ }
+
+ return false;
+}
+