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 #include "parsetreenode.h"
  28 #include <rbscene.h>
  29
  30 RBImage::RBImage(QString file, int tiles, int x, int y, ParseTreeNode* node,
  31                  QGraphicsItem* parent)
  32                      : RBMovable(parent), tiles(tiles), currentTile(0),
  33                      node(node)
  34 {
  35     /* Prevents RBMovable from interfering with initial position setting */
  36     setFlag(ItemSendsGeometryChanges, false);
  37
  38     if(QFile::exists(file))
  39     {
  40         image = new QPixmap(file);
  41
  42         if(image->isNull())
  43         {
  44             delete image;
  45             image = 0;
  46             return;
  47         }
  48         else
  49         {
  50             image->setMask(image->createMaskFromColor(QColor(255,0,255)));
  51
  52         }
  53
  54         size = QRectF(0, 0, image->width(), image->height() / tiles);
  55         setPos(x, y);
  56
  57     }
  58     else
  59     {
  60         RBScene* s = dynamic_cast<RBScene*>(scene());
  61         s->addWarning(QObject::tr("Image not found: ") + file);
  62
  63         size = QRectF(0, 0, 0, 0);
  64         image = 0;
  65     }
  66 }
  67
  68 RBImage::RBImage(const RBImage &other, QGraphicsItem* parent)
  69     : RBMovable(parent), tiles(other.tiles), currentTile(other.currentTile),
  70     node(other.node)
  71 {
  72     if(other.image)
  73         image = new QPixmap(*(other.image));
  74     else
  75         image = 0;
  76     size = other.size;
  77     setPos(other.x(), other.y());
  78 }
  79
  80 RBImage::~RBImage()
  81 {
  82     if(image)
  83         delete image;
  84 }
  85
  86 void RBImage::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
  87                     QWidget *widget)
  88 {
  89     if(!image)
  90         return;
  91
  92     painter->drawPixmap(size, *image, QRect(0, currentTile * image->height()
  93                                             / tiles, image->width(),
  94                                             image->height() / tiles));
  95
  96     RBMovable::paint(painter, option, widget);
  97 }
  98
  99
 100
 101 void RBImage::saveGeometry()
 102 {
 103     QPointF origin = pos();
 104
 105     node->modParam(static_cast<int>(origin.x()), 2);
 106     node->modParam(static_cast<int>(origin.y()), 3);
 107 }