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Removed benchmarking info to System.out.println

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lehni 2004-06-17 14:25:25 +00:00
parent 8c7513a056
commit fa49592735
1 changed files with 5 additions and 7 deletions
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12
src/helma/image/ImageFilterOp.java
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@ -76,24 +76,22 @@ public class ImageFilterOp implements BufferedImageOp {
// filters convert to integer internally anyhow
cm = new SimpleColorModel();
// create a BufferedImage of only 1 pixel height for fetching the rows of the image in the correct format
// This speeds up things by more than factor 2, compared with the standard BufferedImage.getRGB solution,
// which is supposed to be fast too. This is probably the case because drawing to BufferedImages is
// very optimized or even hardware accelerated.
// create a BufferedImage of only 1 pixel height for fetching the rows of the image in the correct format (ARGB)
// This speeds up things by more than factor 2, compared to the standard BufferedImage.getRGB solution,
// which is supposed to be fast too. This is probably the case because drawing to BufferedImages uses
// very optimized code which may even be hardware accelerated.
BufferedImage row = new BufferedImage(width, 1, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2d = row.createGraphics();
int pixels[] = ((DataBufferInt)row.getRaster().getDataBuffer()).getData();
// calculate scanline by scanline in order to safe memory.
// It also seems to run faster like that
long t = System.currentTimeMillis();
for (int y = 0; y < height; y++) {
g2d.drawImage(src, null, 0, -y);
// now pixels contain the rgb values of the row y!
// now pixels contains the rgb values of the row y!
fltr.setPixels(0, y, width, 1, cm, pixels, 0, width);
}
g2d.dispose();
System.out.println(System.currentTimeMillis() - t);
return consumer.getImage();
}