utils/themeeditor/graphics/rbscreen.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 "rbscreen.h"
  23
  24 #include <QPainter>
  25 #include <QFile>
  26
  27 RBScreen::RBScreen(ProjectModel* project, QGraphicsItem *parent) :
  28     QGraphicsItem(parent), backdrop(0), project(project)
  29 {
  30
  31     width = safeSetting(project, "#screenwidth", "300").toInt();
  32     height = safeSetting(project, "#screenheight", "200").toInt();
  33
  34     QString bg = safeSetting(project, "background color", "FFFFFF");
  35     bgColor = stringToColor(bg, Qt::white);
  36
  37     QString fg = safeSetting(project, "foreground color", "FFFFFF");
  38     fgColor = stringToColor(fg, Qt::black);
  39
  40     /* Loading backdrop if available */
  41     if(project)
  42     {
  43         QString base = project->getSetting("themebase", "");
  44         QString backdropFile = project->getSetting("backdrop", "");
  45
  46         if(QFile::exists(base + "/backdrops/" + backdropFile))
  47         {
  48             backdrop = new QPixmap(base + "/backdrops/" + backdropFile);
  49
  50             /* If a backdrop has been found, use its width and height */
  51             if(!backdrop->isNull())
  52             {
  53                 width = backdrop->width();
  54                 height = backdrop->height();
  55             }
  56             else
  57             {
  58                 delete backdrop;
  59                 backdrop = 0;
  60             }
  61         }
  62     }
  63 }
  64
  65 RBScreen::~RBScreen()
  66 {
  67     if(backdrop)
  68         delete backdrop;
  69 }
  70
  71 QPainterPath RBScreen::shape() const
  72 {
  73     QPainterPath retval;
  74     retval.addRect(0, 0, width, height);
  75     return retval;
  76 }
  77
  78 QRectF RBScreen::boundingRect() const
  79 {
  80     return QRectF(0, 0, width, height);
  81 }
  82
  83 void RBScreen::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
  84                      QWidget *widget)
  85 {
  86     if(backdrop)
  87     {
  88         painter->drawPixmap(0, 0, width, height, *backdrop);
  89     }
  90     else
  91     {
  92         painter->fillRect(0, 0, width, height, bgColor);
  93     }
  94 }
  95
  96 QColor RBScreen::stringToColor(QString str, QColor fallback)
  97 {
  98
  99     QColor retval;
 100
 101     if(str.length() == 6)
 102     {
 103         for(int i = 0; i < 6; i++)
 104         {
 105             char c = str[i].toAscii();
 106             if(!((c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F') ||
 107                  isdigit(c)))
 108             {
 109                 str = "";
 110                 break;
 111             }
 112         }
 113         if(str != "")
 114             retval = QColor("#" + str);
 115         else
 116             retval = fallback;
 117     }
 118     else if(str.length() == 1)
 119     {
 120         if(isdigit(str[0].toAscii()) && str[0].toAscii() <= '3')
 121         {
 122             int shade = 255 * (str[0].toAscii() - '0') / 3;
 123             retval = QColor(shade, shade, shade);
 124         }
 125         else
 126         {
 127             retval = fallback;
 128         }
 129     }
 130     else
 131     {
 132         retval = fallback;
 133     }
 134
 135     return retval;
 136
 137 }