runtime/kioslave/bookmarks/kio_bookmarks_pixmap.cpp

   1 /*
   2 Copyright (C) 2008 Xavier Vello <xavier.vello@gmail.com>
   3
   4 This program is free software; you can redistribute it and/or modify
   5 it under the terms of the GNU General Public License as published by
   6 the Free Software Foundation; either version 2 of the License, or
   7 (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12 GNU General Public License for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with this program; if not, write to the Free Software
  16 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17 */
  18
  19 #include "kio_bookmarks.h"
  20
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23
  24 #include <kstandarddirs.h>
  25 #include <kcomponentdata.h>
  26 #include <klocale.h>
  27 #include <kconfig.h>
  28 #include <kconfiggroup.h>
  29
  30 #include <qbuffer.h>
  31 #include <qpainter.h>
  32 #include <qpixmap.h>
  33 #include <kicon.h>
  34
  35 using namespace KIO;
  36
  37 void BookmarksProtocol::echoImage( const QString &type, const QString &string, const QString &sizestring )
  38 {
  39   int size = sizestring.toInt();
  40   if (size == 0) {
  41     if (type == "icon")
  42       size = 16;
  43     else
  44       size = 128;
  45   }
  46
  47   QPixmap pix;
  48   if (!cache->find(type + string + QString::number(size), pix)) {
  49     KIcon icon = KIcon(string);
  50     if (type == "icon") {
  51       pix = icon.pixmap(size, size);
  52     } else {
  53       pix = QPixmap(size, size);
  54       pix.fill(Qt::transparent);
  55       QPainter painter(&pix);
  56       painter.setOpacity(0.3);
  57
  58       QRectF rect(0, 0, size, size);
  59       painter.drawPixmap(rect, icon.pixmap(size, size), rect);
  60     }
  61     cache->insert(type + string + QString::number(size), pix);
  62   }
  63   echoPixmap(pix);
  64 }
  65
  66 void BookmarksProtocol::echoPixmap(const QPixmap &pixmap)
  67 {
  68   SlaveBase::mimeType("image/png");
  69
  70   QByteArray bytes;
  71   QBuffer buffer(&bytes);
  72   buffer.open(QIODevice::WriteOnly);
  73   pixmap.save(&buffer, "PNG");
  74   data(bytes);
  75 }