public LoadResult CheckLoading(IntPtr wrapper, EntityManager man, Entity e, ref Image2D image, ref Image2DHTML imgHTML,
ref Image2DLoadFromFile unused, ref Image2DHTMLLoading loading)
{
int r = ImageIOHTMLNativeCalls.JSCheckLoadImage(imgHTML.imageIndex);
if (r == 0)
{
return(LoadResult.stillWorking);
}
var fnLog = man.GetBufferAsString <Image2DLoadFromFileImageFile>(e);
if (man.HasComponent <Image2DLoadFromFileMaskFile>(e))
{
fnLog += " alpha=";
fnLog += man.GetBufferAsString <Image2DLoadFromFileMaskFile>(e);
}
if (r == 2)
{
image.status = ImageStatus.LoadError;
image.imagePixelSize.xy = 0;
FreeNative(man, e, ref imgHTML);
Console.WriteLine("Failed to load " + fnLog);
return(LoadResult.failed);
}
int wi = 0;
int hi = 0;
int ai = 0;
ImageIOHTMLNativeCalls.JSFinishLoadImage(imgHTML.imageIndex, ref wi, ref hi, ref ai);
image.hasAlpha = ai != 0;
image.imagePixelSize.x = (float)wi;
image.imagePixelSize.y = (float)hi;
image.status = ImageStatus.Loaded;
imgHTML.externalOwner = false;
var s = "Loaded image: ";
s += fnLog;
s += " size: ";
s += wi.ToString();
s += ", ";
s += hi.ToString();
if (ai != 0)
{
s += " (has alpha channel)";
}
s += " idx: ";
s += imgHTML.imageIndex.ToString();
Console.WriteLine(s);
return(LoadResult.success);
}
public void FreeNative(EntityManager man, Entity e, ref Image2DHTML imgHTML)
{
if (!imgHTML.externalOwner && imgHTML.imageIndex > 0)
{
ImageIOHTMLNativeCalls.JSFreeImage(imgHTML.imageIndex);
}
if (imgHTML.imageIndex > 0)
{
var s = "Free HTML image at ";
s += imgHTML.imageIndex.ToString();
Console.WriteLine(s);
}
imgHTML.imageIndex = 0;
imgHTML.externalOwner = false;
}
public void FinishLoading(EntityManager man, Entity e, ref Image2D img, ref Image2DHTML imgHTML,
ref Image2DHTMLLoading loading)
{
unsafe
{
if (man.HasComponent <Image2DAlphaMask>(e))
{
DynamicBuffer <Image2DAlphaMaskData> mask = man.GetBuffer <Image2DAlphaMaskData>(e);
int width = (int)img.imagePixelSize.x;
int height = (int)img.imagePixelSize.y;
mask.ResizeUninitialized(width * height);
ImageIOHTMLNativeCalls.ExtractAlphaFromImage(imgHTML.imageIndex, (byte *)mask.GetUnsafePtr(), width,
height);
}
}
}
public void StartLoad(EntityManager man, Entity e, ref Image2D image, ref Image2DHTML imgHTML,
ref Image2DLoadFromFile fspec, ref Image2DHTMLLoading loading)
{
// if there was an image with that index, free it
FreeNative(man, e, ref imgHTML);
image.status = ImageStatus.Loading;
image.hasAlpha = false;
image.imagePixelSize.x = 0;
image.imagePixelSize.y = 0;
// C++
var fnImage = man.GetBufferAsString <Image2DLoadFromFileImageFile>(e);
var fnMask = man.GetBufferAsString <Image2DLoadFromFileMaskFile>(e);
imgHTML.imageIndex = ImageIOHTMLNativeCalls.JSLoadImage(fnImage, fnMask);
}
protected override void OnCreate()
{
base.OnCreate();
c = new Image2DIOHTMLLoader();
ImageIOHTMLNativeCalls.JSInitImageLoading();
}
