utils/themeeditor/graphics/rbtext.cpp

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id: rbfont.cpp 27301 2010-07-05 22:15:17Z bieber $
   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 "rbtext.h"
  23
  24 #include <QPainter>
  25
  26 RBText::RBText(QImage* image, int maxWidth, QGraphicsItem *parent)
  27     :QGraphicsItem(parent), image(image), maxWidth(maxWidth), offset(0)
  28 {
  29 }
  30
  31 QRectF RBText::boundingRect() const
  32 {
  33     if(image->width() < maxWidth)
  34         return QRectF(0, 0, image->width(), image->height());
  35     else
  36         return QRectF(0, 0, maxWidth, image->height());
  37 }
  38
  39 void RBText::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
  40                    QWidget *widget)
  41 {
  42     /* Making sure the offset is within bounds */
  43     if(image->width() > maxWidth)
  44         if(offset > image->width() - maxWidth)
  45             offset = image->width() - maxWidth;
  46
  47     if(image->width() < maxWidth)
  48         painter->drawImage(0, 0, *image, 0, 0, image->width(), image->height());
  49     else
  50         painter->drawImage(0, 0, *image, offset, 0, maxWidth, image->height());
  51 }