Theme Editor: Fixed rendering bug that caused text in sublines not to appear, implemented a global font cache

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27331 a1c6a512-1295-4272-9138-f99709370657

utils/themeeditor/graphics/rbfont.cpp

@@ -20,6 +20,7 @@
  ****************************************************************************/
 
 #include "rbfont.h"
+#include "rbfontcache.h"
 
 #include <QFont>
 #include <QBrush>
@@ -29,6 +30,8 @@
 #include <QImage>
 #include <QSettings>
 
+#include <QDebug>
+
 quint16 RBFont::maxFontSizeFor16BitOffsets = 0xFFDB;
 
 RBFont::RBFont(QString file)
@@ -52,6 +55,18 @@ RBFont::RBFont(QString file)
     }
     header.insert("filename", file);
 
+    /* Checking for a cache entry */
+    RBFontCache::CacheInfo* cache = RBFontCache::lookup(file);
+    if(cache)
+    {
+        imageData = cache->imageData;
+        offsetData = cache->offsetData;
+        widthData = cache->widthData;
+        header = cache->header;
+
+        return;
+    }
+
     /* Opening the file */
     QFile fin(file);
     fin.open(QFile::ReadOnly);
@@ -134,16 +149,18 @@ RBFont::RBFont(QString file)
 
    fin.close();
 
+   /* Caching the font data */
+   cache = new RBFontCache::CacheInfo;
+   cache->imageData = imageData;
+   cache->offsetData = offsetData;
+   cache->widthData = widthData;
+   cache->header = header;
+   RBFontCache::insert(file, cache);
+
 }
 
 RBFont::~RBFont()
 {
-    if(imageData)
-        delete[] imageData;
-    if(offsetData)
-        delete[] offsetData;
-    if(widthData)
-        delete[] widthData;
 }
 
 RBText* RBFont::renderText(QString text, QColor color, int viewWidth,

utils/themeeditor/graphics/rbfontcache.cpp

@@ -0,0 +1,24 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   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 "rbfontcache.h"
+
+QHash<QString, RBFontCache::CacheInfo*> RBFontCache::cache;

utils/themeeditor/graphics/rbfontcache.h

@@ -0,0 +1,48 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   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 RBFONTCACHE_H
+#define RBFONTCACHE_H
+
+#include <QHash>
+
+class RBFontCache
+{
+
+public:
+    struct CacheInfo
+    {
+        quint8* imageData;
+        quint16* offsetData;
+        quint8* widthData;
+
+        QHash<QString, QVariant> header;
+    };
+
+    static CacheInfo* lookup(QString key){ return cache.value(key, 0); }
+    static void insert(QString key, CacheInfo* data){ cache.insert(key, data); }
+
+private:
+    static QHash<QString, CacheInfo*> cache;
+
+};
+
+#endif // RBFONTCACHE_H

utils/themeeditor/graphics/rbviewport.h

@@ -60,6 +60,12 @@ public:
     void alignText(Alignment align){ textAlign = align; }
     int getTextOffset(){ return textOffset.y(); }
     void addTextOffset(int height){ textOffset.setY(textOffset.y() + height); }
+    void flushText()
+    {
+        alignLeft();
+        alignRight();
+        alignCenter();
+    }
 
     void enableStatusBar(){ showStatusBar = true; }
 

utils/themeeditor/models/parsetreenode.cpp

@@ -523,6 +523,8 @@ void ParseTreeNode::render(const RBRenderInfo &info, RBViewport* viewport,
             children[i]->render(info, viewport);
         if(!noBreak && !breakFlag)
             viewport->newLine();
+        else
+            viewport->flushText();
 
         if(breakFlag)
             breakFlag = false;

utils/themeeditor/themeeditor.pro

@@ -14,15 +14,17 @@ INCLUDEPATH += graphics
 
 # Stuff for the parse lib
 libskin_parser.commands = @$(MAKE) \
-    TARGET_DIR=$$MYBUILDDIR CC=\"$$QMAKE_CC\" \
+    TARGET_DIR=$$MYBUILDDIR \
+    CC=\"$$QMAKE_CC\" \
     BUILDDIR=$$OBJECTS_DIR \
-    -C $$RBBASE_DIR/lib/skin_parser \
+    -C \
+    $$RBBASE_DIR/lib/skin_parser \
     libskin_parser.a
-
 QMAKE_EXTRA_TARGETS += libskin_parser
 PRE_TARGETDEPS += libskin_parser
 INCLUDEPATH += $$RBBASE_DIR/lib/skin_parser
-LIBS += -L$$MYBUILDDIR -lskin_parser
+LIBS += -L$$MYBUILDDIR \
+    -lskin_parser
 DEPENDPATH = $$INCLUDEPATH
 HEADERS += models/parsetreemodel.h \
     models/parsetreenode.h \
@@ -44,7 +46,8 @@ HEADERS += models/parsetreemodel.h \
     graphics/rbalbumart.h \
     graphics/rbprogressbar.h \
     gui/findreplacedialog.h \
-    graphics/rbtext.h
+    graphics/rbtext.h \
+    graphics/rbfontcache.h
 SOURCES += main.cpp \
     models/parsetreemodel.cpp \
     models/parsetreenode.cpp \
@@ -65,7 +68,8 @@ SOURCES += main.cpp \
     graphics/rbalbumart.cpp \
     graphics/rbprogressbar.cpp \
     gui/findreplacedialog.cpp \
-    graphics/rbtext.cpp
+    graphics/rbtext.cpp \
+    graphics/rbfontcache.cpp
 OTHER_FILES += README \
     resources/windowicon.png \
     resources/appicon.xcf \
@@ -82,16 +86,17 @@ FORMS += gui/editorwindow.ui \
     gui/skinviewer.ui \
     gui/findreplacedialog.ui
 RESOURCES += resources.qrc
-
-win32 {
-    RC_FILE = themeeditor.rc
-}
+win32:RC_FILE = themeeditor.rc
 macx { 
-    QMAKE_MAC_SDK=/Developer/SDKs/MacOSX10.4u.sdk
-    QMAKE_LFLAGS_PPC=-mmacosx-version-min=10.4 -arch ppc
-    QMAKE_LFLAGS_X86=-mmacosx-version-min=10.4 -arch i386
-    CONFIG+=x86 ppc
+    QMAKE_MAC_SDK = /Developer/SDKs/MacOSX10.4u.sdk
+    QMAKE_LFLAGS_PPC = -mmacosx-version-min=10.4 \
+        -arch \
+        ppc
+    QMAKE_LFLAGS_X86 = -mmacosx-version-min=10.4 \
+        -arch \
+        i386
+    CONFIG += x86 \
+        ppc
     QMAKE_INFO_PLIST = Info.plist
     RC_FILE = resources/windowicon.icns
 }
-