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Linux: Use icon mask as monochrome to please some xorg versions

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This commit is contained in:
Elias Naur 2008-04-07 09:23:27 +00:00
parent 3b5c704383
commit e2596d8efa
2 changed files with 43 additions and 24 deletions
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47
src/java/org/lwjgl/opengl/LinuxDisplay.java
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@ -997,10 +997,11 @@ final class LinuxDisplay implements DisplayImplementation {
throw new UnsupportedOperationException();
}
private static void convertIcon(ByteBuffer icon, int width, int height, ByteBuffer icon_rgb, ByteBuffer icon_mask) {
int x = 0;
int y = 5;
byte r,g,b,a;
private static ByteBuffer convertIcon(ByteBuffer icon, int width, int height) {
ByteBuffer icon_rgb = BufferUtils.createByteBuffer(icon.capacity());
int x;
int y;
byte r,g,b;
int depth = 4;
@ -1009,16 +1010,36 @@ final class LinuxDisplay implements DisplayImplementation {
r = icon.get((x*4)+(y*width*4));
g = icon.get((x*4)+(y*width*4)+1);
b = icon.get((x*4)+(y*width*4)+2);
a = icon.get((x*4)+(y*width*4)+3);
icon_rgb.put((x*depth)+(y*width*depth), b); // blue
icon_rgb.put((x*depth)+(y*width*depth)+1, g); // green
icon_rgb.put((x*depth)+(y*width*depth)+2, r);
icon_mask.put((x*depth)+(y*width*depth), a);
icon_mask.put((x*depth)+(y*width*depth)+1, a);
icon_mask.put((x*depth)+(y*width*depth)+2, a);
}
}
return icon_rgb;
}
private static ByteBuffer convertIconMask(ByteBuffer icon, int width, int height) {
ByteBuffer icon_mask = BufferUtils.createByteBuffer((icon.capacity()/4)/8);
int x;
int y;
byte a;
int depth = 4;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
a = icon.get((x*4)+(y*width*4)+3);
int mask_index = x + y*width;
int mask_byte_index = mask_index/8;
int mask_bit_index = mask_index%8;
byte bit = (((int)a) & 0xff) >= 127 ? (byte)1 : (byte)0;
byte new_byte = (byte)((icon_mask.get(mask_byte_index) | (bit<<mask_bit_index)) & 0xff);
icon_mask.put(mask_byte_index, new_byte);
}
}
return icon_mask;
}
/**
@ -1041,11 +1062,9 @@ final class LinuxDisplay implements DisplayImplementation {
for (int i=0;i<icons.length;i++) {
int size = icons[i].limit() / 4;
int dimension = (int)Math.sqrt(size);
int cap = icons[i].capacity();
ByteBuffer icon_rgb = BufferUtils.createByteBuffer(cap);
ByteBuffer icon_mask = BufferUtils.createByteBuffer(cap);
convertIcon(icons[i], dimension, dimension, icon_rgb, icon_mask);
nSetWindowIcon(getDisplay(), getWindow(), icon_rgb, icon_mask, cap, dimension, dimension);
ByteBuffer icon_rgb = convertIcon(icons[i], dimension, dimension);
ByteBuffer icon_mask = convertIconMask(icons[i], dimension, dimension);
nSetWindowIcon(getDisplay(), getWindow(), icon_rgb, icon_rgb.capacity(), icon_mask, icon_mask.capacity(), dimension, dimension);
return 1;
}
return 0;
@ -1060,7 +1079,7 @@ final class LinuxDisplay implements DisplayImplementation {
}
}
private static native void nSetWindowIcon(long display, long window, ByteBuffer icon_rgb, ByteBuffer icon_mask, int icon_size, int width, int height);
private static native void nSetWindowIcon(long display, long window, ByteBuffer icon_rgb, int icon_rgb_size, ByteBuffer icon_mask, int icon_mask_size, int width, int height);
public int getWidth() {
return Display.getDisplayMode().getWidth();