dorkbox/Utilities
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Code polish. Added getting a buffered image from an icon

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This commit is contained in:
nathan 2017-07-11 02:03:53 +02:00
parent 4c4e133ea1
commit 97aee006a1
1 changed files with 34 additions and 10 deletions
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44
src/dorkbox/util/ImageUtil.java
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@ -15,6 +15,7 @@
*/
package dorkbox.util;
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics2D;
@ -31,6 +32,7 @@ import java.util.Iterator;
import javax.imageio.ImageIO;
import javax.imageio.ImageReader;
import javax.imageio.stream.ImageInputStream;
import javax.swing.Icon;
import javax.swing.ImageIcon;
@SuppressWarnings("WeakerAccess")
@ -195,11 +197,12 @@ class ImageUtil {
BufferedImage bimage = new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB);
Graphics2D bGr = bimage.createGraphics();
bGr.addRenderingHints(new RenderingHints(RenderingHints.KEY_RENDERING,
RenderingHints.VALUE_RENDER_QUALITY));
bGr.drawImage(image, paddingX, paddingY, null);
bGr.dispose();
Graphics2D g = bimage.createGraphics();
g.addRenderingHints(new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY));
g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
g.drawImage(image, paddingX, paddingY, null);
g.dispose();
// Return the buffered image
return bimage;
@ -216,16 +219,37 @@ class ImageUtil {
BufferedImage bimage = new BufferedImage(image.getWidth(null), image.getHeight(null), BufferedImage.TYPE_INT_ARGB);
Graphics2D bGr = bimage.createGraphics();
bGr.addRenderingHints(new RenderingHints(RenderingHints.KEY_RENDERING,
RenderingHints.VALUE_RENDER_QUALITY));
bGr.drawImage(image, 0, 0, null);
bGr.dispose();
Graphics2D g = bimage.createGraphics();
g.addRenderingHints(new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY));
g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
g.drawImage(image, 0, 0, null);
g.dispose();
// Return the buffered image
return bimage;
}
/**
* @return the icon, unmodified, as a Buffered Image
*/
public static
BufferedImage getBufferedImage(Icon icon) {
if (icon instanceof BufferedImage) {
return (BufferedImage) icon;
}
BufferedImage bimage = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(), BufferedImage.TYPE_INT_ARGB);
Graphics2D g = bimage.createGraphics();
g.addRenderingHints(new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY));
g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
icon.paintIcon(null, g, 0, 0);
g.dispose();
return bimage;
}
/**
* Reads the image size information from the specified file, without loading the entire file.