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

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;
+
+}

utils/themeeditor/graphics/rbscreen.h

@@ -0,0 +1,63 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   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.
+ *
+ ****************************************************************************/
+
+#ifndef RBSCREEN_H
+#define RBSCREEN_H
+
+#include <QGraphicsItem>
+
+#include "projectmodel.h"
+
+class RBScreen : public QGraphicsItem
+{
+
+public:
+    RBScreen(ProjectModel* project = 0, QGraphicsItem *parent = 0);
+    virtual ~RBScreen();
+
+    QPainterPath shape() const;
+    QRectF boundingRect() const;
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+               QWidget *widget);
+
+    static QString safeSetting(ProjectModel* project, QString key,
+                               QString fallback)
+    {
+        if(project)
+            return project->getSetting(key, fallback);
+        else
+            return fallback;
+    }
+
+    static QColor stringToColor(QString str, QColor fallback);
+
+private:
+    int width;
+    int height;
+    QColor bgColor;
+    QColor fgColor;
+    QPixmap* backdrop;
+
+    ProjectModel* project;
+
+};
+
+#endif // RBSCREEN_H

utils/themeeditor/models/parsetreemodel.cpp

@@ -22,10 +22,12 @@
 
 #include "parsetreemodel.h"
 #include "symbols.h"
+#include "rbscreen.h"
 
 #include <cstdlib>
 
 #include <QObject>
+#include <QPixmap>
 
 ParseTreeModel::ParseTreeModel(const char* document, QObject* parent):
         QAbstractItemModel(parent)
@@ -271,10 +273,12 @@ QGraphicsScene* ParseTreeModel::render(ProjectModel* project)
 {
     scene->clear();
 
-    /* First we set the screen size */
-    int screenWidth = safeSetting(project, "#screenwidth", "300").toInt();
-    int screenHeight = safeSetting(project, "#screenheight", "200").toInt();
-    scene->addRect(0, 0, screenWidth, screenHeight);
+    /* Setting the background */
+    scene->setBackgroundBrush(QBrush(QPixmap(":/render/scenebg.png")));
+
+    /* Adding the screen */
+    RBScreen* screen = new RBScreen(project);
+    scene->addItem(screen);
 
     return scene;
 }

utils/themeeditor/resources.qrc

@@ -6,4 +6,7 @@
         <file>resources/document-save.png</file>
         <file alias="configkeys">resources/configkeys</file>
     </qresource>
+    <qresource prefix="/render">
+        <file alias="scenebg.png">resources/render/scenebg.png</file>
+    </qresource>
 </RCC>

utils/themeeditor/themeeditor.pro

@@ -4,26 +4,26 @@ OBJECTS_DIR = $$MYBUILDDIR/o
 UI_DIR = $$MYBUILDDIR/ui
 MOC_DIR = $$MYBUILDDIR/moc
 RCC_DIR = $$MYBUILDDIR/rcc
-
 RBBASE_DIR = $$_PRO_FILE_PWD_
 RBBASE_DIR = $$replace(RBBASE_DIR,/utils/themeeditor,)
 
-#Include directories
+# Include directories
 INCLUDEPATH += gui
 INCLUDEPATH += models
-
+INCLUDEPATH += graphics
 
 # Stuff for the parse lib
 libskin_parser.commands = @$(MAKE) \
-        BUILDDIR=$$OBJECTS_DIR -C $$RBBASE_DIR/lib/skin_parser CC=\"$$QMAKE_CC\"
+    BUILDDIR=$$OBJECTS_DIR \
+    -C \
+    $$RBBASE_DIR/lib/skin_parser \
+    CC=\"$$QMAKE_CC\"
 QMAKE_EXTRA_TARGETS += libskin_parser
 PRE_TARGETDEPS += libskin_parser
 INCLUDEPATH += $$RBBASE_DIR/lib/skin_parser
-LIBS += -L$$OBJECTS_DIR -lskin_parser 
-
-
+LIBS += -L$$OBJECTS_DIR \
+    -lskin_parser
 DEPENDPATH = $$INCLUDEPATH
-
 HEADERS += models/parsetreemodel.h \
     models/parsetreenode.h \
     gui/editorwindow.h \
@@ -34,7 +34,8 @@ HEADERS += models/parsetreemodel.h \
     models/projectmodel.h \
     gui/tabcontent.h \
     gui/configdocument.h \
-    gui/skinviewer.h
+    gui/skinviewer.h \
+    graphics/rbscreen.h
 SOURCES += main.cpp \
     models/parsetreemodel.cpp \
     models/parsetreenode.cpp \
@@ -45,7 +46,8 @@ SOURCES += main.cpp \
     gui/codeeditor.cpp \
     models/projectmodel.cpp \
     gui/configdocument.cpp \
-    gui/skinviewer.cpp
+    gui/skinviewer.cpp \
+    graphics/rbscreen.cpp
 OTHER_FILES += README \
     resources/windowicon.png \
     resources/appicon.xcf \