/*
* Class: com_sun_glass_ui_gtk_GtkPixels
* Method: _attachByte
* Signature: (JIILjava/nio/ByteBuffer;[BI)V
*/
JNIEXPORT void JNICALL Java_com_sun_glass_ui_gtk_GtkPixels__1attachByte
(JNIEnv * env, jobject obj, jlong ptr, jint w, jint h, jobject bytes, jbyteArray array, jint offset)
{
(void)obj;
jbyte *data;
GdkPixbuf **pixbuf;
guint8 *dataRGBA;
if (array == NULL) {
data = (jbyte*) env->GetDirectBufferAddress(bytes);
assert((w*h*4 + offset) == env->GetDirectBufferCapacity(bytes));
} else {
assert((w*h*4 + offset) == env->GetArrayLength(array));
data = (jbyte*) env->GetPrimitiveArrayCritical(array, 0);
}
pixbuf = (GdkPixbuf**)JLONG_TO_PTR(ptr);
dataRGBA = convert_BGRA_to_RGBA((const int*)(data + offset), w*4, h);
*pixbuf = gdk_pixbuf_new_from_data(dataRGBA, GDK_COLORSPACE_RGB, TRUE, 8,
w, h, w * 4, (GdkPixbufDestroyNotify) my_free, NULL);
if (array != NULL) {
env->ReleasePrimitiveArrayCritical(array, data, 0);
}
}
static jobject dnd_target_get_image(JNIEnv *env)
{
GdkPixbuf *buf;
GInputStream *stream;
jobject result = NULL;
GdkAtom targets[] = {
TARGET_MIME_PNG_ATOM,
TARGET_MIME_JPEG_ATOM,
TARGET_MIME_TIFF_ATOM,
TARGET_MIME_BMP_ATOM,
0};
GdkAtom *cur_target = targets;
selection_data_ctx ctx;
while(*cur_target != 0 && result == NULL) {
if (dnd_target_receive_data(env, *cur_target, &ctx)) {
stream = g_memory_input_stream_new_from_data(ctx.data, ctx.length * (ctx.format / 8),
(GDestroyNotify)g_free);
buf = gdk_pixbuf_new_from_stream(stream, NULL, NULL);
if (buf) {
int w;
int h;
int stride;
guchar *data;
jbyteArray data_array;
jobject buffer;
if (!gdk_pixbuf_get_has_alpha(buf)) {
GdkPixbuf *tmp_buf = gdk_pixbuf_add_alpha(buf, FALSE, 0, 0, 0);
g_object_unref(buf);
buf = tmp_buf;
}
w = gdk_pixbuf_get_width(buf);
h = gdk_pixbuf_get_height(buf);
stride = gdk_pixbuf_get_rowstride(buf);
data = gdk_pixbuf_get_pixels(buf);
//Actually, we are converting RGBA to BGRA, but that's the same operation
data = (guchar*) convert_BGRA_to_RGBA((int*) data, stride, h);
data_array = env->NewByteArray(stride * h);
env->SetByteArrayRegion(data_array, 0, stride*h, (jbyte*) data);
buffer = env->CallStaticObjectMethod(jByteBufferCls, jByteBufferWrap, data_array);
result = env->NewObject(jGtkPixelsCls, jGtkPixelsInit, w, h, buffer);
g_object_unref(buf);
g_free(data); // data from convert_BGRA_to_RGBA
}
g_object_unref(stream);
}
++cur_target;
}
return result;
}
static jobject get_data_image(JNIEnv* env) {
GdkPixbuf* pixbuf;
guchar *data;
jbyteArray data_array;
jobject buffer, result;
int w,h,stride;
pixbuf = gtk_clipboard_wait_for_image(get_clipboard());
if (pixbuf == NULL) {
return NULL;
}
if (!gdk_pixbuf_get_has_alpha(pixbuf)) {
GdkPixbuf *tmp_buf = gdk_pixbuf_add_alpha(pixbuf, FALSE, 0, 0, 0);
g_object_unref(pixbuf);
pixbuf = tmp_buf;
}
w = gdk_pixbuf_get_width(pixbuf);
h = gdk_pixbuf_get_height(pixbuf);
stride = gdk_pixbuf_get_rowstride(pixbuf);
data = gdk_pixbuf_get_pixels(pixbuf);
//Actually, we are converting RGBA to BGRA, but that's the same operation
data = (guchar*) convert_BGRA_to_RGBA((int*)data, stride, h);
data_array = env->NewByteArray(stride*h);
EXCEPTION_OCCURED(env);
env->SetByteArrayRegion(data_array, 0, stride*h, (jbyte*)data);
EXCEPTION_OCCURED(env);
buffer = env->CallStaticObjectMethod(jByteBufferCls, jByteBufferWrap, data_array);
result = env->NewObject(jGtkPixelsCls, jGtkPixelsInit, w, h, buffer);
EXCEPTION_OCCURED(env);
g_free(data);
g_object_unref(pixbuf);
return result;
}
