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