Theme Editor: Continuing work on rendering, skin preview will now show backdrop or background color depending on config file

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26900 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 137 insertions, 0 deletions

diff --git a/utils/themeeditor/graphics/rbscreen.cpp b/utils/themeeditor/graphics/rbscreen.cpp
new file mode 100644
index 0000000000..865bde2cef
--- /dev/null
+++ b/utils/themeeditor/graphics/rbscreen.cpp
@@ -0,0 +1,137 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2010 Robert Bieber
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "rbscreen.h"
+
+#include <QPainter>
+#include <QFile>
+
+RBScreen::RBScreen(ProjectModel* project, QGraphicsItem *parent) :
+    QGraphicsItem(parent), project(project), backdrop(0)
+{
+
+    width = safeSetting(project, "#screenwidth", "300").toInt();
+    height = safeSetting(project, "#screenheight", "200").toInt();
+
+    QString bg = safeSetting(project, "background color", "FFFFFF");
+    bgColor = stringToColor(bg, Qt::white);
+
+    QString fg = safeSetting(project, "foreground color", "FFFFFF");
+    fgColor = stringToColor(fg, Qt::black);
+
+    /* Loading backdrop if available */
+    if(project)
+    {
+        QString base = project->getSetting("themebase", "");
+        QString backdropFile = project->getSetting("backdrop", "");
+
+        if(QFile::exists(base + "/backdrops/" + backdropFile))
+        {
+            backdrop = new QPixmap(base + "/backdrops/" + backdropFile);
+
+            /* If a backdrop has been found, use its width and height */
+            if(!backdrop->isNull())
+            {
+                width = backdrop->width();
+                height = backdrop->height();
+            }
+            else
+            {
+                delete backdrop;
+                backdrop = 0;
+            }
+        }
+    }
+}
+
+RBScreen::~RBScreen()
+{
+    if(backdrop)
+        delete backdrop;
+}
+
+QPainterPath RBScreen::shape() const
+{
+    QPainterPath retval;
+    retval.addRect(0, 0, width, height);
+    return retval;
+}
+
+QRectF RBScreen::boundingRect() const
+{
+    return QRectF(0, 0, width, height);
+}
+
+void RBScreen::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+                     QWidget *widget)
+{
+    if(backdrop)
+    {
+        painter->drawPixmap(0, 0, width, height, *backdrop);
+    }
+    else
+    {
+        painter->fillRect(0, 0, width, height, bgColor);
+    }
+}
+
+QColor RBScreen::stringToColor(QString str, QColor fallback)
+{
+
+    QColor retval;
+
+    if(str.length() == 6)
+    {
+        for(int i = 0; i < 6; i++)
+        {
+            char c = str[i].toAscii();
+            if(!((c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F') ||
+                 isdigit(c)))
+            {
+                str = "";
+                break;
+            }
+        }
+        if(str != "")
+            retval = QColor("#" + str);
+        else
+            retval = fallback;
+    }
+    else if(str.length() == 1)
+    {
+        if(isdigit(str[0].toAscii()) && str[0].toAscii() <= '3')
+        {
+            int shade = 255 * (str[0].toAscii() - '0') / 3;
+            retval = QColor(shade, shade, shade);
+        }
+        else
+        {
+            retval = fallback;
+        }
+    }
+    else
+    {
+        retval = fallback;
+    }
+
+    return retval;
+
+}