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Draw GlowText to a buffered image and cache it across instances

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Speeds up GUI performance.
This commit is contained in:
draxdyn 2016-06-01 16:58:10 +02:00
parent 4b190eeaf4
commit ffb65d48fe
1 changed files with 133 additions and 17 deletions
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150
Mage.Client/src/main/java/org/mage/card/arcane/GlowText.java
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@ -1,15 +1,30 @@
package org.mage.card.arcane;
import com.google.common.base.Function;
import com.google.common.collect.MapMaker;
import javax.swing.*;
import java.awt.*;
import java.awt.font.FontRenderContext;
import java.awt.font.LineBreakMeasurer;
import java.awt.font.TextAttribute;
import java.awt.font.TextLayout;
import java.awt.image.BufferedImage;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.lang.ref.SoftReference;
import java.lang.ref.WeakReference;
import java.text.AttributedCharacterIterator;
import java.text.AttributedString;
import java.text.BreakIterator;
import java.util.Locale;
import java.util.Map;
import java.util.Objects;
import mage.client.util.ImageCaches;
import org.jdesktop.swingx.graphics.GraphicsUtilities;
public class GlowText extends JLabel {
private static final long serialVersionUID = 1827677946939348001L;
@ -19,6 +34,109 @@ public class GlowText extends JLabel {
private Color glowColor;
private boolean wrap;
private int lineCount = 0;
private static Map<Key, BufferedImage> IMAGE_CACHE;
private final static class Key
{
final int width;
final int height;
final String text;
final Map<TextAttribute,?> fontAttributes;
final Color color;
final int glowSize;
final float glowIntensity;
final Color glowColor;
final boolean wrap;
// used to pass the native font to the create function so we don't waste performance recreating it, but without holding onto the native object
final transient WeakReference<Font> originalFont;
Font getFont() {
Font res = this.originalFont.get();
if(res == null)
res = Font.getFont(this.fontAttributes);
return res;
}
public Key(int width, int height, String text, Font font, Color color, int glowSize, float glowIntensity, Color glowColor, boolean wrap) {
this.width = width;
this.height = height;
this.text = text;
this.originalFont = new WeakReference<>(font);
this.fontAttributes = font.getAttributes();
this.color = color;
this.glowSize = glowSize;
this.glowIntensity = glowIntensity;
this.glowColor = glowColor;
this.wrap = wrap;
}
@Override
public int hashCode() {
int hash = 3;
hash = 23 * hash + this.width;
hash = 23 * hash + this.height;
hash = 23 * hash + Objects.hashCode(this.text);
hash = 23 * hash + Objects.hashCode(this.fontAttributes);
hash = 23 * hash + Objects.hashCode(this.color);
hash = 23 * hash + this.glowSize;
hash = 23 * hash + Float.floatToIntBits(this.glowIntensity);
hash = 23 * hash + Objects.hashCode(this.glowColor);
hash = 23 * hash + (this.wrap ? 1 : 0);
return hash;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final Key other = (Key) obj;
if (this.width != other.width) {
return false;
}
if (this.height != other.height) {
return false;
}
if (this.glowSize != other.glowSize) {
return false;
}
if (Float.floatToIntBits(this.glowIntensity) != Float.floatToIntBits(other.glowIntensity)) {
return false;
}
if (this.wrap != other.wrap) {
return false;
}
if (!Objects.equals(this.text, other.text)) {
return false;
}
if (!Objects.equals(this.fontAttributes, other.fontAttributes)) {
return false;
}
if (!Objects.equals(this.color, other.color)) {
return false;
}
if (!Objects.equals(this.glowColor, other.glowColor)) {
return false;
}
return true;
}
}
static {
IMAGE_CACHE = ImageCaches.register(new MapMaker().softValues().makeComputingMap(new Function<Key, BufferedImage>() {
@Override
public BufferedImage apply(Key key) {
return createImage(key);
}
}));
}
public void setGlow (Color glowColor, int size, float intensity) {
this.glowColor = glowColor;
@ -38,32 +156,32 @@ public class GlowText extends JLabel {
return size;
}
@Override
public void setText (String text) {
super.setText(text);
}
@Override
public void paint (Graphics g) {
if (getText().length() == 0) {
return;
}
Graphics2D g2d = (Graphics2D)g;
g.drawImage(IMAGE_CACHE.get(new Key(getWidth(), getHeight(), getText(), getFont(), getForeground(), glowSize, glowIntensity, glowColor, wrap)), 0, 0, null);
}
private static BufferedImage createImage (Key key) {
Dimension size = new Dimension(key.width, key.height);
BufferedImage image = GraphicsUtilities.createCompatibleTranslucentImage(size.width, size.height);
Graphics2D g2d = image.createGraphics();
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
Dimension size = getSize();
int textX = 0, textY = 0;
int wrapWidth = Math.max(0, wrap ? size.width - glowSize : Integer.MAX_VALUE);
int wrapWidth = Math.max(0, key.wrap ? size.width - key.glowSize : Integer.MAX_VALUE);
AttributedString attributedString = new AttributedString(getText());
attributedString.addAttribute(TextAttribute.FONT, getFont());
AttributedString attributedString = new AttributedString(key.text);
attributedString.addAttribute(TextAttribute.FONT, key.getFont());
AttributedCharacterIterator charIterator = attributedString.getIterator();
FontRenderContext fontContext = g2d.getFontRenderContext();
LineBreakMeasurer measurer = new LineBreakMeasurer(charIterator, BreakIterator.getWordInstance(Locale.ENGLISH), fontContext);
lineCount = 0;
int lineCount = 0;
while (measurer.getPosition() < charIterator.getEndIndex()) {
//TextLayout textLayout = measurer.nextLayout(wrapWidth);
lineCount++;
@ -83,23 +201,21 @@ public class GlowText extends JLabel {
float ascent = textLayout.getAscent();
textY += ascent; // Move down to baseline.
g2d.setColor(glowColor);
g2d.setColor(key.glowColor);
g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.8f));
int glowSize = key.glowSize;
textLayout.draw(g2d, textX + glowSize / 2 + 1, textY + glowSize / 2 - 1);
textLayout.draw(g2d, textX + glowSize / 2 + 1, textY + glowSize / 2 + 1);
textLayout.draw(g2d, textX + glowSize / 2 - 1, textY + glowSize / 2 - 1);
textLayout.draw(g2d, textX + glowSize / 2 - 1, textY + glowSize / 2 + 1);
g2d.setColor(getForeground());
g2d.setColor(key.color);
g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f));
textLayout.draw(g2d, textX + glowSize / 2, textY + glowSize / 2);
textY += textLayout.getDescent() + textLayout.getLeading(); // Move down to top of next line.
}
}
public int getLineCount() {
return this.lineCount;
return image;
}
public void setGlowColor(Color glowColor) {