Seems to work OK for me. With the lack of a full code example I’m assuming you’ve got your compositing mode wrong. public void RenderGdiPlus() { List<string> colors = new List<string>(new string[] { “000000”, “ff0000”, “00ff00”, “0000ff”, “ffffff” }); List<string> alphas = new List<string>(new string[] { “00”, “01”, “40”, “80”, “c0”, “fe”, “ff” }); Bitmap … Read more
Since GDI forms on Delphi don’t support alpha channels (unless using alpha layered windows, which might not be suitable), commonly the black color will be taken as the transparent one, unless the component supports alpha channels. tl;dr Just use your TTransparentCanvas class, .Rectangle(0,0,Width+1,Height+1,222), using the color obtained with DwmGetColorizationColor that you could blend with a … Read more
OCT. 2016 UPDATE Since the -moz-element() property doesn’t seem to be widely supported by other browsers except to FF, there’s an even easier technique to apply blurring without affecting the contents of the container. The use of pseudoelements is ideal in this case in combination with svg blur filter. Check the demo using pseudo-element (Demo … Read more