void Renderer2D::createImage2D( string_hash name, pointer_t<void> memory, uint32_t size )
{
const uint32_t index = _images.find(name);
if( index == Image2DMap::INVALID )
{
Image2D image = nvgCreateImageMem( _context2D, 0, memory.as_uint8_t, size );
_images.push_back( name, image );
}
}
int __nanogui_get_image(NVGcontext *ctx, const std::string &name, uint8_t *data, uint32_t size) {
static std::map<std::string, int> iconCache;
auto it = iconCache.find(name);
if (it != iconCache.end())
return it->second;
int iconID = nvgCreateImageMem(ctx, 0, data, size);
if (iconID == 0)
throw std::runtime_error("Unable to load resource data.");
iconCache[name] = iconID;
return iconID;
}
JNIEXPORT int JNICALL Java_firststep_internal_NVG_createImageMem
(JNIEnv *e, jclass c, jlong ctx, jbyteArray jdata, jint flags)
{
int ndata = (*e)->GetArrayLength(e, jdata);
unsigned char* data = (unsigned char*)(*e)->GetByteArrayElements(e, jdata, NULL);
int r;
r = nvgCreateImageMem((NVGcontext*)ctx, flags, data, ndata);
(*e)->ReleaseByteArrayElements(e, jdata, (jbyte*)data, 0);
return r;
}
