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Performance: Resizing bottleneck in FLabel eliminated.

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Doublestrike
2012-02-11 12:45:17 +00:00
parent 2e70c97355
commit aad50ab048
1 changed files with 38 additions and 26 deletions
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64
src/main/java/forge/view/toolbox/FLabel.java
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@@ -6,6 +6,8 @@ import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.event.MouseAdapter;
@@ -15,6 +17,7 @@ import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.SwingConstants;
import javax.swing.Timer;
import forge.Command;
@@ -197,34 +200,17 @@ public class FLabel extends JLabel {
private AlphaComposite alphaDim, alphaStrong;
// Resize adapter
private final ActionListener fireResize = new ActionListener() {
@Override
public void actionPerformed(ActionEvent evt) { resize(); resizeTimer.stop(); }
};
private Timer resizeTimer = new Timer(10, fireResize);
// Resize adapter; on a timer to prevent resizing while "sliding" between sizes
private final ComponentAdapter cadResize = new ComponentAdapter() {
@Override
public void componentResized(ComponentEvent e) {
if (fontScaleAuto) {
ref = (fontScaleBy == SwingConstants.VERTICAL ? getHeight() : getWidth());
switch (fontStyle) {
case Font.BOLD:
setFont(FSkin.getBoldFont((int) (ref * fontScaleFactor)));
repaint();
break;
case Font.ITALIC:
setFont(FSkin.getItalicFont((int) (ref * fontScaleFactor)));
break;
default:
setFont(FSkin.getFont((int) (ref * fontScaleFactor)));
}
}
// Non-background icon
if (img != null && iconScaleAuto && !iconInBackground) {
h = (int) (getHeight() * iconScaleFactor);
w = (int) (h * iar * iconScaleFactor);
if (w == 0 || h == 0) { return; }
FLabel.super.setIcon(new ImageIcon(img.getScaledInstance(w, h, Image.SCALE_SMOOTH)));
}
}
public void componentResized(ComponentEvent e) { resizeTimer.restart(); }
};
// Mouse event handler
@@ -371,4 +357,30 @@ public class FLabel extends JLabel {
super.paintComponent(g);
}
private void resize() {
if (fontScaleAuto) {
ref = (fontScaleBy == SwingConstants.VERTICAL ? getHeight() : getWidth());
switch (fontStyle) {
case Font.BOLD:
setFont(FSkin.getBoldFont((int) (ref * fontScaleFactor)));
repaint();
break;
case Font.ITALIC:
setFont(FSkin.getItalicFont((int) (ref * fontScaleFactor)));
break;
default:
setFont(FSkin.getFont((int) (ref * fontScaleFactor)));
}
}
// Non-background icon
if (img != null && iconScaleAuto && !iconInBackground) {
h = (int) (getHeight() * iconScaleFactor);
w = (int) (h * iar * iconScaleFactor);
if (w == 0 || h == 0) { return; }
FLabel.super.setIcon(new ImageIcon(img.getScaledInstance(w, h, Image.SCALE_SMOOTH)));
}
}
}