utils/themeeditor/graphics/rbimage.cpp

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2010 Robert Bieber
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include <QPainter>
  23 #include <QFile>
  24 #include <QBitmap>
  25
  26 #include "rbimage.h"
  27
  28 RBImage::RBImage(QString file, int tiles, int x, int y, QGraphicsItem* parent)
  29                      : QGraphicsItem(parent), tiles(tiles), currentTile(0)
  30 {
  31     if(QFile::exists(file))
  32     {
  33         image = new QPixmap(file);
  34
  35         if(image->isNull())
  36         {
  37             delete image;
  38             image = 0;
  39             return;
  40         }
  41         else
  42         {
  43             image->setMask(image->createMaskFromColor(QColor(255,0,255)));
  44
  45         }
  46
  47         size = QRectF(x, y, image->width(), image->height() / tiles);
  48
  49     }
  50     else
  51         image = 0;
  52 }
  53
  54 RBImage::~RBImage()
  55 {
  56     if(image)
  57         delete image;
  58 }
  59
  60 QRectF RBImage::boundingRect() const
  61 {
  62     return size;
  63 }
  64
  65 void RBImage::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
  66                     QWidget *widget)
  67 {
  68     if(!image)
  69         return;
  70
  71     painter->drawPixmap(size, *image, QRect(0, currentTile * image->height()
  72                                             / tiles, image->width(),
  73                                             image->height() / tiles));
  74 }