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

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
View File

@ -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();

20
src/native/linux/org_lwjgl_opengl_Display.c
View File

@ -398,8 +398,8 @@ JNIEXPORT void JNICALL Java_org_lwjgl_opengl_LinuxDisplay_nUnlockAWT(JNIEnv *env
jawt.Unlock(env);
}
static Pixmap createPixmapFromBuffer(JNIEnv *env, Display *disp, Window window, char *data, int data_size, int width, int height) {
Pixmap pixmap = XCreatePixmap(disp, window, width, height, current_depth);
static Pixmap createPixmapFromBuffer(JNIEnv *env, Display *disp, Window window, char *data, int data_size, int width, int height, int format, int depth) {
Pixmap pixmap = XCreatePixmap(disp, window, width, height, depth);
/* We need to copy the image data since XDestroyImage will also free its data buffer, which can't be allowed
* since the data buffer is managed by the jvm (it's the storage for the direct ByteBuffer)
*/
@ -408,15 +408,15 @@ static Pixmap createPixmapFromBuffer(JNIEnv *env, Display *disp, Window window,
if (icon_copy == NULL) {
XFreePixmap(disp, pixmap);
throwException(env, "malloc failed");
return 0;
return None;
}
memcpy(icon_copy, data, data_size);
XImage *image = XCreateImage(disp, current_visual, current_depth, ZPixmap, 0, icon_copy, width, height, 32, 0);
XImage *image = XCreateImage(disp, current_visual, depth, format, 0, icon_copy, width, height, 32, 0);
if (image == NULL) {
XFreePixmap(disp, pixmap);
free(icon_copy);
throwException(env, "XCreateImage failed");
return 0;
return None;
}
GC gc = XCreateGC(disp, pixmap, 0, NULL);
@ -427,12 +427,12 @@ static Pixmap createPixmapFromBuffer(JNIEnv *env, Display *disp, Window window,
return pixmap;
}
static void setIcon(JNIEnv *env, Display *disp, Window window, char *rgb_data, char *mask_data, int icon_size, int width, int height) {
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) {
freeIconPixmap(disp);
current_icon_pixmap = createPixmapFromBuffer(env, disp, window, rgb_data, icon_size, width, height);
current_icon_pixmap = createPixmapFromBuffer(env, disp, window, rgb_data, rgb_size, width, height, ZPixmap, current_depth);
if ((*env)->ExceptionCheck(env))
return;
current_icon_mask_pixmap = createPixmapFromBuffer(env, disp, window, mask_data, icon_size, width, height);
current_icon_mask_pixmap = createPixmapFromBuffer(env, disp, window, mask_data, mask_size, width, height, XYPixmap, 1);
if ((*env)->ExceptionCheck(env)) {
freeIconPixmap(disp);
return;
@ -442,14 +442,14 @@ static void setIcon(JNIEnv *env, Display *disp, Window window, char *rgb_data, c
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_LinuxDisplay_nSetWindowIcon
(JNIEnv *env, jclass clazz, jlong display, jlong window_ptr, jobject icon_rgb_buffer, jobject icon_mask_buffer, jint icon_size, jint width, jint height)
(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)
{
Display *disp = (Display *)(intptr_t)display;
Window window = (Window)window_ptr;
char *rgb_data= (char *)(*env)->GetDirectBufferAddress(env, icon_rgb_buffer);
char *mask_data= (char *)(*env)->GetDirectBufferAddress(env, icon_mask_buffer);
setIcon(env, disp, window, rgb_data, mask_data, icon_size, width, height);
setIcon(env, disp, window, rgb_data, rgb_size, mask_data, mask_size, width, height);
}
JNIEXPORT jint JNICALL Java_org_lwjgl_opengl_LinuxDisplay_nUngrabKeyboard(JNIEnv *env, jclass unused, jlong display_ptr) {