antville/helma
antville/helma
1
1
Fork 0
Code Issues 5 Pull requests 7 Projects Releases 5 Activity Actions

a few clean-ups.

Browse source
This commit is contained in:
lehni 2004-07-12 12:39:23 +00:00
parent 659238c00b
commit 12dc7af723
1 changed files with 4 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
src/helma/image/ImageFilterOp.java
View file

@ -56,8 +56,8 @@ public class ImageFilterOp implements BufferedImageOp {
ImageFilter fltr = filter.getFilterInstance(consumer); ImageFilter fltr = filter.getFilterInstance(consumer);
fltr.setDimensions(width, height); fltr.setDimensions(width, height);
ColorModel cm = src.getColorModel();
/* /*
ColorModel cm = src.getColorModel();
if (cm.getPixelSize() == 8) { if (cm.getPixelSize() == 8) {
// byte. indexed or gray: // byte. indexed or gray:
WritableRaster raster = src.getRaster(); WritableRaster raster = src.getRaster();
@ -74,7 +74,7 @@ public class ImageFilterOp implements BufferedImageOp {
*/ */
// allways work in integer mode. this is more effective, and most // allways work in integer mode. this is more effective, and most
// filters convert to integer internally anyhow // filters convert to integer internally anyhow
cm = new SimpleColorModel(); ColorModel cm = new SimpleColorModel();
// create a BufferedImage of only 1 pixel height for fetching the rows of the image in the correct format (ARGB) // 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, // This speeds up things by more than factor 2, compared to the standard BufferedImage.getRGB solution,
@ -89,10 +89,11 @@ public class ImageFilterOp implements BufferedImageOp {
for (int y = 0; y < height; y++) { for (int y = 0; y < height; y++) {
g2d.drawImage(src, null, 0, -y); g2d.drawImage(src, null, 0, -y);
// now pixels contains the rgb values of the row y! // now pixels contains the rgb values of the row y!
// filter this row now:
fltr.setPixels(0, y, width, 1, cm, pixels, 0, width); fltr.setPixels(0, y, width, 1, cm, pixels, 0, width);
} }
g2d.dispose(); g2d.dispose();
// the consumer now contains the filtered image, return it.
return consumer.getImage(); return consumer.getImage();
} }