Linux: Use icon mask as monochrome to please some xorg versions
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3b5c704383
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@ -997,10 +997,11 @@ 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, ByteBuffer icon_rgb, ByteBuffer icon_mask) {
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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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private static ByteBuffer convertIcon(ByteBuffer icon, int width, int height) {
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ByteBuffer icon_rgb = BufferUtils.createByteBuffer(icon.capacity());
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int x;
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int y;
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byte r,g,b;
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int depth = 4;
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@ -1009,16 +1010,36 @@ final class LinuxDisplay implements DisplayImplementation {
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r = icon.get((x*4)+(y*width*4));
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g = icon.get((x*4)+(y*width*4)+1);
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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_rgb.put((x*depth)+(y*width*depth), b); // blue
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icon_rgb.put((x*depth)+(y*width*depth)+1, g); // green
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icon_rgb.put((x*depth)+(y*width*depth)+2, r);
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icon_mask.put((x*depth)+(y*width*depth), a);
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icon_mask.put((x*depth)+(y*width*depth)+1, a);
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icon_mask.put((x*depth)+(y*width*depth)+2, a);
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}
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}
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return icon_rgb;
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}
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private static ByteBuffer convertIconMask(ByteBuffer icon, int width, int height) {
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ByteBuffer icon_mask = BufferUtils.createByteBuffer((icon.capacity()/4)/8);
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int x;
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int y;
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byte a;
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int depth = 4;
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for (y = 0; y < height; y++) {
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for (x = 0; x < width; x++) {
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a = icon.get((x*4)+(y*width*4)+3);
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int mask_index = x + y*width;
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int mask_byte_index = mask_index/8;
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int mask_bit_index = mask_index%8;
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byte bit = (((int)a) & 0xff) >= 127 ? (byte)1 : (byte)0;
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byte new_byte = (byte)((icon_mask.get(mask_byte_index) | (bit<<mask_bit_index)) & 0xff);
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icon_mask.put(mask_byte_index, new_byte);
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}
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}
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return icon_mask;
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}
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/**
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@ -1041,11 +1062,9 @@ final class LinuxDisplay implements DisplayImplementation {
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for (int i=0;i<icons.length;i++) {
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int size = icons[i].limit() / 4;
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int dimension = (int)Math.sqrt(size);
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int cap = icons[i].capacity();
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ByteBuffer icon_rgb = BufferUtils.createByteBuffer(cap);
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ByteBuffer icon_mask = BufferUtils.createByteBuffer(cap);
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convertIcon(icons[i], dimension, dimension, icon_rgb, icon_mask);
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nSetWindowIcon(getDisplay(), getWindow(), icon_rgb, icon_mask, cap, dimension, dimension);
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ByteBuffer icon_rgb = convertIcon(icons[i], dimension, dimension);
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ByteBuffer icon_mask = convertIconMask(icons[i], dimension, dimension);
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nSetWindowIcon(getDisplay(), getWindow(), icon_rgb, icon_rgb.capacity(), icon_mask, icon_mask.capacity(), dimension, dimension);
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return 1;
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}
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return 0;
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@ -1060,7 +1079,7 @@ final class LinuxDisplay implements DisplayImplementation {
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}
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}
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private static native void nSetWindowIcon(long display, long window, ByteBuffer icon_rgb, ByteBuffer icon_mask, int icon_size, int width, int height);
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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);
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public int getWidth() {
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return Display.getDisplayMode().getWidth();
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@ -398,8 +398,8 @@ JNIEXPORT void JNICALL Java_org_lwjgl_opengl_LinuxDisplay_nUnlockAWT(JNIEnv *env
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jawt.Unlock(env);
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}
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static Pixmap createPixmapFromBuffer(JNIEnv *env, Display *disp, Window window, char *data, int data_size, int width, int height) {
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Pixmap pixmap = XCreatePixmap(disp, window, width, height, current_depth);
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static Pixmap createPixmapFromBuffer(JNIEnv *env, Display *disp, Window window, char *data, int data_size, int width, int height, int format, int depth) {
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Pixmap pixmap = XCreatePixmap(disp, window, width, height, depth);
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/* We need to copy the image data since XDestroyImage will also free its data buffer, which can't be allowed
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* since the data buffer is managed by the jvm (it's the storage for the direct ByteBuffer)
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*/
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@ -408,15 +408,15 @@ static Pixmap createPixmapFromBuffer(JNIEnv *env, Display *disp, Window window,
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if (icon_copy == NULL) {
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XFreePixmap(disp, pixmap);
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throwException(env, "malloc failed");
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return 0;
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return None;
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}
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memcpy(icon_copy, data, data_size);
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XImage *image = XCreateImage(disp, current_visual, current_depth, ZPixmap, 0, icon_copy, width, height, 32, 0);
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XImage *image = XCreateImage(disp, current_visual, depth, format, 0, icon_copy, width, height, 32, 0);
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if (image == NULL) {
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XFreePixmap(disp, pixmap);
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free(icon_copy);
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throwException(env, "XCreateImage failed");
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return 0;
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return None;
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}
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GC gc = XCreateGC(disp, pixmap, 0, NULL);
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@ -427,12 +427,12 @@ static Pixmap createPixmapFromBuffer(JNIEnv *env, Display *disp, Window window,
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return pixmap;
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}
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static void setIcon(JNIEnv *env, Display *disp, Window window, char *rgb_data, char *mask_data, int icon_size, int width, int height) {
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static void setIcon(JNIEnv *env, Display *disp, Window window, char *rgb_data, int rgb_size, char *mask_data, int mask_size, int width, int height) {
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freeIconPixmap(disp);
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current_icon_pixmap = createPixmapFromBuffer(env, disp, window, rgb_data, icon_size, width, height);
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current_icon_pixmap = createPixmapFromBuffer(env, disp, window, rgb_data, rgb_size, width, height, ZPixmap, current_depth);
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if ((*env)->ExceptionCheck(env))
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return;
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current_icon_mask_pixmap = createPixmapFromBuffer(env, disp, window, mask_data, icon_size, width, height);
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current_icon_mask_pixmap = createPixmapFromBuffer(env, disp, window, mask_data, mask_size, width, height, XYPixmap, 1);
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if ((*env)->ExceptionCheck(env)) {
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freeIconPixmap(disp);
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return;
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@ -442,14 +442,14 @@ static void setIcon(JNIEnv *env, Display *disp, Window window, char *rgb_data, c
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}
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_LinuxDisplay_nSetWindowIcon
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(JNIEnv *env, jclass clazz, jlong display, jlong window_ptr, jobject icon_rgb_buffer, jobject icon_mask_buffer, jint icon_size, jint width, jint height)
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(JNIEnv *env, jclass clazz, jlong display, jlong window_ptr, jobject icon_rgb_buffer, jint rgb_size, jobject icon_mask_buffer, jint mask_size, jint width, jint height)
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{
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Display *disp = (Display *)(intptr_t)display;
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Window window = (Window)window_ptr;
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char *rgb_data= (char *)(*env)->GetDirectBufferAddress(env, icon_rgb_buffer);
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char *mask_data= (char *)(*env)->GetDirectBufferAddress(env, icon_mask_buffer);
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setIcon(env, disp, window, rgb_data, mask_data, icon_size, width, height);
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setIcon(env, disp, window, rgb_data, rgb_size, mask_data, mask_size, width, height);
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}
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JNIEXPORT jint JNICALL Java_org_lwjgl_opengl_LinuxDisplay_nUngrabKeyboard(JNIEnv *env, jclass unused, jlong display_ptr) {
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