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 #include "rbviewport.h"
  24
  25 #include <QPainter>
  26 #include <QFile>
  27
  28 RBScreen::RBScreen(const RBRenderInfo& info, QGraphicsItem *parent) :
  29     QGraphicsItem(parent), backdrop(0), project(project)
  30 {
  31
  32     width = info.settings()->value("#screenwidth", "300").toInt();
  33     height = info.settings()->value("#screenheight", "200").toInt();
  34
  35     QString bg = info.settings()->value("background color", "000000");
  36     bgColor = stringToColor(bg, Qt::white);
  37
  38     QString fg = info.settings()->value("foreground color", "FFFFFF");
  39     fgColor = stringToColor(fg, Qt::black);
  40
  41     settings = info.settings();
  42
  43     /* Loading backdrop if available */
  44     themeBase = info.settings()->value("themebase", "");
  45     QString backdropFile = info.settings()->value("backdrop", "");
  46     backdropFile.replace("/.rockbox/backdrops/", "");
  47
  48     if(QFile::exists(themeBase + "/backdrops/" + backdropFile))
  49     {
  50         backdrop = new QPixmap(themeBase + "/backdrops/" + backdropFile);
  51
  52         /* If a backdrop has been found, use its width and height */
  53         if(!backdrop->isNull())
  54         {
  55             width = backdrop->width();
  56             height = backdrop->height();
  57         }
  58         else
  59         {
  60             delete backdrop;
  61             backdrop = 0;
  62         }
  63     }
  64 }
  65
  66 RBScreen::~RBScreen()
  67 {
  68     if(backdrop)
  69         delete backdrop;
  70 }
  71
  72 QPainterPath RBScreen::shape() const
  73 {
  74     QPainterPath retval;
  75     retval.addRect(0, 0, width, height);
  76     return retval;
  77 }
  78
  79 QRectF RBScreen::boundingRect() const
  80 {
  81     return QRectF(0, 0, width, height);
  82 }
  83
  84 void RBScreen::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
  85                      QWidget *widget)
  86 {
  87     if(backdrop)
  88     {
  89         painter->drawPixmap(0, 0, width, height, *backdrop);
  90     }
  91     else
  92     {
  93         painter->fillRect(0, 0, width, height, bgColor);
  94     }
  95 }
  96
  97 void RBScreen::showViewport(QString name)
  98 {
  99     if(namedViewports.value(name, 0) == 0)
 100         return;
 101
 102     namedViewports.value(name)->show();
 103     update();
 104 }
 105
 106 void RBScreen::setBackdrop(QString filename)
 107 {
 108
 109     if(backdrop)
 110         delete backdrop;
 111
 112     filename = settings->value("imagepath", "") + "/" + filename;
 113
 114     if(QFile::exists(filename))
 115         backdrop = new QPixmap(filename);
 116     else
 117         backdrop = 0;
 118 }
 119
 120 QColor RBScreen::stringToColor(QString str, QColor fallback)
 121 {
 122
 123     QColor retval;
 124
 125     if(str.length() == 6)
 126     {
 127         for(int i = 0; i < 6; i++)
 128         {
 129             char c = str[i].toAscii();
 130             if(!((c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F') ||
 131                  isdigit(c)))
 132             {
 133                 str = "";
 134                 break;
 135             }
 136         }
 137         if(str != "")
 138             retval = QColor("#" + str);
 139         else
 140             retval = fallback;
 141     }
 142     else if(str.length() == 1)
 143     {
 144         if(isdigit(str[0].toAscii()) && str[0].toAscii() <= '3')
 145         {
 146             int shade = 255 * (str[0].toAscii() - '0') / 3;
 147             retval = QColor(shade, shade, shade);
 148         }
 149         else
 150         {
 151             retval = fallback;
 152         }
 153     }
 154     else
 155     {
 156         retval = fallback;
 157     }
 158
 159     return retval;
 160
 161 }