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CricketLib.java
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CricketLib.java
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import java.awt.image.BufferedImage;
import java.awt.Transparency;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
public class CricketLib
{
/*
written by a user on StackOverflow
*/
public static BufferedImage getScaledInstance(
BufferedImage img, int targetWidth,
int targetHeight, Object hint,
boolean higherQuality)
{
int type =
(img.getTransparency() == Transparency.OPAQUE)
? BufferedImage.TYPE_INT_RGB
: BufferedImage.TYPE_INT_ARGB;
BufferedImage ret = (BufferedImage) img;
int w, h;
if (higherQuality)
{
// Use multi-step technique: start with original size, then
// scale down in multiple passes with drawImage()
// until the target size is reached
w = img.getWidth();
h = img.getHeight();
}
else
{
// Use one-step technique: scale directly from original
// size to target size with a single drawImage() call
w = targetWidth;
h = targetHeight;
}
do
{
if (higherQuality && w > targetWidth)
{
w /= 2;
if (w < targetWidth)
{
w = targetWidth;
}
} else if (higherQuality && w <= targetWidth)
{
w *= 2;
if (w > targetWidth)
{
w = targetWidth;
}
}
if (higherQuality && h > targetHeight)
{
h /= 2;
if (h < targetHeight)
{
h = targetHeight;
}
}
else if (higherQuality && h <= targetWidth)
{
h *= 2;
if (h > targetHeight)
{
h = targetHeight;
}
}
BufferedImage tmp = new BufferedImage(w, h, type);
Graphics2D g2 = tmp.createGraphics();
g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, hint);
g2.drawImage(ret, 0, 0, w, h, null);
g2.dispose();
ret = tmp;
} while (w != targetWidth || h != targetHeight);
return ret;
}
}