Theme Editor: Made all lines of text render as a single graphic, viewport size limits now enforced on text width

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27327 a1c6a512-1295-4272-9138-f99709370657

utils/themeeditor/graphics/rbfont.cpp

@@ -155,7 +155,8 @@ RBFont::~RBFont()
         delete[] widthData;
 }
 
-RBText* RBFont::renderText(QString text, QColor color, QGraphicsItem *parent)
+RBText* RBFont::renderText(QString text, QColor color, int viewWidth,
+                           QGraphicsItem *parent)
 {
     int firstChar = header.value("firstchar").toInt();
     int height = header.value("height").toInt();
@@ -221,6 +222,6 @@ RBText* RBFont::renderText(QString text, QColor color, QGraphicsItem *parent)
         startX += widths[i];
     }
 
-    return new RBText(image, parent);
+    return new RBText(image, viewWidth, parent);
 
 }

utils/themeeditor/graphics/rbfont.h

@@ -35,7 +35,7 @@ public:
     RBFont(QString file);
     virtual ~RBFont();
 
-    RBText* renderText(QString text, QColor color,
+    RBText* renderText(QString text, QColor color, int maxWidth,
                                         QGraphicsItem* parent = 0);
     int lineHeight(){ return header.value("height", 0).toInt(); }
 

utils/themeeditor/graphics/rbtext.cpp

@@ -23,18 +23,24 @@
 
 #include <QPainter>
 
-RBText::RBText(const QImage &image, QGraphicsItem *parent)
+RBText::RBText(const QImage &image, int maxWidth, QGraphicsItem *parent)
-    :QGraphicsItem(parent), image(image)
+    :QGraphicsItem(parent), image(image), maxWidth(maxWidth)
 {
 }
 
 QRectF RBText::boundingRect() const
 {
+    if(image.width() < maxWidth)
         return QRectF(0, 0, image.width(), image.height());
+    else
+        return QRectF(0, 0, maxWidth, image.height());
 }
 
 void RBText::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
                    QWidget *widget)
 {
+    if(image.width() < maxWidth)
         painter->drawImage(0, 0, image, 0, 0, image.width(), image.height());
+    else
+        painter->drawImage(0, 0, image, 0, 0, maxWidth, image.height());
 }

utils/themeeditor/graphics/rbtext.h

@@ -28,7 +28,7 @@
 class RBText : public QGraphicsItem
 {
 public:
-    RBText(const QImage& image, QGraphicsItem* parent);
+    RBText(const QImage& image, int maxWidth, QGraphicsItem* parent);
 
     QRectF boundingRect() const;
     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
@@ -36,6 +36,7 @@ public:
 
 private:
     QImage image;
+    int maxWidth;
 
 };
 

utils/themeeditor/graphics/rbviewport.cpp

@@ -33,7 +33,8 @@ RBViewport::RBViewport(skin_element* node, const RBRenderInfo& info)
     : QGraphicsItem(info.screen()), foreground(info.screen()->foreground()),
     background(info.screen()->background()), textOffset(0,0),
     screen(info.screen()), textAlign(Left), showStatusBar(false),
-    statusBarTexture(":/render/statusbar.png")
+    statusBarTexture(":/render/statusbar.png"),
+    leftGraphic(0), centerGraphic(0), rightGraphic(0)
 {
     if(!node->tag)
     {
@@ -173,26 +174,31 @@ void RBViewport::newLine()
     textOffset.setY(textOffset.y() + lineHeight);
     textOffset.setX(0);
     textAlign = Left;
+
     leftText.clear();
     rightText.clear();
     centerText.clear();
+
+    leftGraphic = 0;
+    centerGraphic = 0;
+    rightGraphic = 0;
 }
 
 void RBViewport::write(QString text)
 {
     if(textAlign == Left)
     {
-        leftText.append(font->renderText(text, foreground, this));
+        leftText.append(text);
         alignLeft();
     }
     else if(textAlign == Center)
     {
-        centerText.append(font->renderText(text, foreground, this));
+        centerText.append(text);
         alignCenter();
     }
     else if(textAlign == Right)
     {
-        rightText.append(font->renderText(text, foreground, this));
+        rightText.append(text);
         alignRight();
     }
 }
@@ -269,50 +275,53 @@ void RBViewport::showPlaylist(const RBRenderInfo &info, int start,
 void RBViewport::alignLeft()
 {
     int y = textOffset.y();
-    int x = 0;
 
-    for(int i = 0; i < leftText.count(); i++)
+    if(leftGraphic)
-    {
+        delete leftGraphic;
-        leftText[i]->setPos(x, y);
+
-        x += leftText[i]->boundingRect().width();
+    leftGraphic = font->renderText(leftText, foreground, size.width(), this);
-    }
+    leftGraphic->setPos(0, y);
 }
 
 void RBViewport::alignCenter()
 {
     int y = textOffset.y();
     int x = 0;
-    int width = 0;
 
-    for(int i = 0; i < centerText.count(); i++)
+    if(centerGraphic)
-        width += centerText[i]->boundingRect().width();
+        delete centerGraphic;
 
-    x = (size.width() - width) / 2;
+    centerGraphic = font->renderText(centerText, foreground, size.width(),
+                                     this);
 
-    for(int i = 0; i < centerText.count(); i++)
+    if(centerGraphic->boundingRect().width() < size.width())
     {
-        centerText[i]->setPos(x, y);
+        x = size.width() - centerGraphic->boundingRect().width();
-        x += centerText[i]->boundingRect().width();
+        x /= 2;
     }
+    else
+    {
+        x = 0;
+    }
+
+    centerGraphic->setPos(x, y);
 }
 
 void RBViewport::alignRight()
 {
-
     int y = textOffset.y();
     int x = 0;
-    int width = 0;
 
-    for(int i = 0; i < rightText.count(); i++)
+    if(rightGraphic)
-        width += rightText[i]->boundingRect().width();
+        delete rightGraphic;
 
-    x = size.width() - width;
+    rightGraphic = font->renderText(rightText, foreground, size.width(), this);
 
-    for(int i = 0; i < rightText.count(); i++)
+    if(rightGraphic->boundingRect().width() < size.width())
-    {
+        x = size.width() - rightGraphic->boundingRect().width();
-        rightText[i]->setPos(x, y);
+    else
-        x += rightText[i]->boundingRect().width();
+        x = 0;
-    }
 
+    rightGraphic->setPos(x, y);
 }
 

utils/themeeditor/graphics/rbviewport.h

@@ -84,13 +84,17 @@ private:
 
     RBScreen* screen;
 
-    QList<QGraphicsItem*> leftText;
+    QString leftText;
-    QList<QGraphicsItem*> centerText;
+    QString centerText;
-    QList<QGraphicsItem*> rightText;
+    QString rightText;
     Alignment textAlign;
 
     bool showStatusBar;
     QPixmap statusBarTexture;
+
+    RBText* leftGraphic;
+    RBText* centerGraphic;
+    RBText* rightGraphic;
 };
 
 #endif // RBVIEWPORT_H