1 files changed, 167 insertions, 0 deletions
diff --git a/qtjava/javalib/examples/qfd/FontDisplayer.java b/qtjava/javalib/examples/qfd/FontDisplayer.java
new file mode 100644
index 00000000..26f658b1
--- /dev/null
+++ b/qtjava/javalib/examples/qfd/FontDisplayer.java
@@ -0,0 +1,167 @@
+/***************************************************************************
+* $Id$
+**
+* Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
+**
+* This file is part of an example program for Qt.  This example
+* program may be used, distributed and modified without limitation.
+**
+****************************************************************************/
+
+import org.kde.qt.*;
+import java.math.*;
+
+
+
+class FontDisplayer  extends QMainWindow {
+
+
+
+class FontRowTable  extends QFrame {
+private    QFont tablefont;
+private    int row;
+
+FontRowTable( QWidget parent )
+{
+	this(parent, null);
+}
+
+FontRowTable( QWidget parent, String name )
+{
+    super(parent,name);
+    setBackgroundMode(PaletteBase);
+    setFrameStyle(Panel|Sunken);
+    setMargin(8);
+    setRow(0);
+    tablefont = QApplication.font();
+}
+
+public QSize sizeHint()
+{
+	return new QSize( 16*cellSize().width()+2*(margin()+frameWidth()),
+	                  16*cellSize().height()+2*(margin()+frameWidth()) );
+}
+
+QSize cellSize()
+{
+    QFontMetrics fm = fontMetrics();
+    return new QSize( fm.maxWidth(), fm.lineSpacing()+1 );
+}
+
+protected void paintEvent( QPaintEvent e )
+{
+    super.paintEvent(e);
+System.out.println("In paintEvent");
+    QPainter p = new QPainter(this);
+    p.setClipRegion(e.region());
+    QRect r = e.rect();
+    QFontMetrics fm = fontMetrics();
+    int ml = frameWidth()+margin() + 1 + (-fm.minLeftBearing() > 0 ? -fm.minLeftBearing() : 0);
+    int mt = frameWidth()+margin();
+    QSize cell = new QSize((width()-15-ml)/16,(height()-15-mt)/16);
+
+    if ( cell.width() == 0 || cell.height() == 0 )
+	return;
+
+    int mini = r.left() / cell.width();
+    int maxi = (r.right()+cell.width()-1) / cell.width();
+    int minj = r.top() / cell.height();
+    int maxj = (r.bottom()+cell.height()-1) / cell.height();
+
+    int h = fm.height();
+
+    QColor body = new QColor(255,255,192);
+    QColor negative = new QColor(255,192,192);
+    QColor positive = new QColor(192,192,255);
+    QColor rnegative = new QColor(255,128,128);
+    QColor rpositive = new QColor(128,128,255);
+
+    for (int j = minj; j<=maxj; j++) {
+	for (int i = mini; i<=maxi; i++) {
+	    if ( i < 16 && j < 16 ) {
+		int x = i * cell.width();
+		int y = j* cell.height();
+
+		char ch = (char) ((j*16+i) + (row*256));
+		
+		if ( fm.inFont(ch) ) {
+		    int w = fm.width(ch);
+		    int lb = fm.leftBearing(ch);
+		    int rb = fm.rightBearing(ch);
+
+		    x += ml;
+		    y += mt+h;
+
+		    p.fillRect(x,y,w,-h,new QBrush(body));
+		    if ( w != 0) {
+			if ( lb != 0 ) {
+			    p.fillRect(x+(lb>0?0:lb), y-h/2, Math.abs(lb),-h/2,
+				       new QBrush(lb < 0 ? negative : positive));
+			}
+			if ( rb != 0) {
+			    p.fillRect(x+w-(rb>0?rb:0),y+2, Math.abs(rb),-h/2,
+				       new QBrush(rb < 0 ? rnegative : rpositive));
+			}
+		    }
+		    String s = "";
+		    s += ch;
+		    p.setPen(new QPen(Qt.black()));
+		    p.drawText(x,y,s);
+		}
+	    }
+	}
+    }
+	p.end();
+}
+
+void setRow(int r)
+{
+    row = r;
+
+    QFontMetrics fm = fontMetrics();
+    String str = "mLB=" + fm.minLeftBearing() + 
+	             " mRB=" + fm.minRightBearing() + 
+				 " mW=" + fm.maxWidth();
+
+    emit("fontInformation", str);
+    update();
+}
+
+void chooseFont()
+{
+    boolean[] ok = { true };
+    QFont oldfont = tablefont;
+    tablefont = QFontDialog.getFont(ok, oldfont, this);
+
+    if (ok[0])
+	setFont(tablefont);
+    else
+	tablefont = oldfont;
+
+
+}
+}
+
+FontDisplayer( )
+{
+	this(null, null);
+}
+
+FontDisplayer( QWidget parent, String name )
+{
+    super(parent,name);
+    FontRowTable table = new FontRowTable(this);
+    QToolBar controls = new QToolBar(this);
+    new QLabel(tr("Row:"), controls);
+    QSpinBox row = new QSpinBox(0,255,1,controls);
+    controls.addSeparator();
+    QPushButton fontbutton = new QPushButton(tr("Font..."), controls);
+
+    connect(row,SIGNAL("valueChanged(int)"),table,SLOT("setRow(int)"));
+    connect(fontbutton, SIGNAL("clicked()"), table, SLOT("chooseFont()"));
+    connect(table,SIGNAL("fontInformation(String)"),
+	    statusBar(),SLOT("message(String)"));
+    table.setRow(0);
+    setCentralWidget(table);
+}
+}