Linux: Fix multiple calls of setIcon by creating copies of icon data instead of converting data in-place

This commit is contained in:
Elias Naur 2006-07-03 18:18:27 +00:00
parent cbe41294a5
commit 2f957f816d
1 changed files with 10 additions and 7 deletions

View File

@ -44,6 +44,7 @@ import java.nio.IntBuffer;
import org.lwjgl.LWJGLException;
import org.lwjgl.LWJGLUtil;
import org.lwjgl.BufferUtils;
import org.lwjgl.input.Keyboard;
final class LinuxDisplay implements DisplayImplementation {
@ -916,7 +917,8 @@ final class LinuxDisplay implements DisplayImplementation {
throw new UnsupportedOperationException();
}
private static void convertIcon(ByteBuffer icon, int width, int height) {
private static ByteBuffer convertIcon(ByteBuffer icon, int width, int height) {
ByteBuffer icon_copy = BufferUtils.createByteBuffer(icon.capacity());
int x = 0;
int y = 5;
byte r,g,b,a;
@ -930,12 +932,13 @@ final class LinuxDisplay implements DisplayImplementation {
b = icon.get((x*4)+(y*width*4)+2);
a = icon.get((x*4)+(y*width*4)+3);
icon.put((x*depth)+(y*width*depth), b); // blue
icon.put((x*depth)+(y*width*depth)+1, g); // green
icon.put((x*depth)+(y*width*depth)+2, r);
icon.put((x*depth)+(y*width*depth)+3, a);
icon_copy.put((x*depth)+(y*width*depth), b); // blue
icon_copy.put((x*depth)+(y*width*depth)+1, g); // green
icon_copy.put((x*depth)+(y*width*depth)+2, r);
icon_copy.put((x*depth)+(y*width*depth)+3, a);
}
}
return icon_copy;
}
/**
@ -959,8 +962,8 @@ final class LinuxDisplay implements DisplayImplementation {
int size = icons[i].limit() / 4;
int dimension = (int)Math.sqrt(size);
if (dimension == 32) {
convertIcon(icons[i], dimension, dimension);
nSetWindowIcon(icons[i], icons[i].capacity(), dimension, dimension);
ByteBuffer icon = convertIcon(icons[i], dimension, dimension);
nSetWindowIcon(icon, icon.capacity(), dimension, dimension);
return 1;
}
}