Forum > Make TIWImage transparent

01-09-2021, 04:35 PM:

How can I make a TIWimage transparent ?

I have tried loading a BMP image as 'picture', and I have set the property 'Transparentcolor' to clWebWHITE.

I would now expect that all white areas in the BMP become transparent, but this does not happen.

01-12-2021, 09:56 AM:

If you want your application to scale, prefer TIWImageFile over TIWImage. TIWImage needs to be converted at runtime into a PNG (or JPG) to be served.

Also, it can't be cached by the web browser.

Best thing to do is: Create a transparent PNG file, save it into wwwroot folder and use the file name in TIWImageFile.

01-12-2021, 11:08 AM:

Loading the image with a transparent color seems to do the job. Thanks!

01-21-2021, 11:38 AM:

This has been fixed in the new update that we are building. Cheers,