Hello David, The problem was resolved after I learned that: 1.) The Alpha field in RGB needs to be set to $FF (not transparent). 2.) The structure for the color has reversed storage format, Instead of RGB for VCL (24bit), it is ABGR for Firemonkey. (32 bit) Because I was constructing colors from scr...

Dear David, Thank you for the example. However, in the question there is specifically mentioned the Scanline. I cannot use SetPixel, because it is orders of magnitude too slow. Do you always use SetPixel with FireMonkey? That would mean that you have not figured out how to work with Scanline yet eit...

Dear Narcis,

Any example would do fine, where you can do:

bitmap.Size(2,2);
bitmap.Map(...,bitData);
...
P := bitData.Scanline[0];
P[0].A := 12;
P[0].R := 25;
P[0].G := 36;
P[0].B := 50;
P[1]...

bitmap.Unmap(...);
tChart.Canvas.StretchDraw(bitmap, tChart.ClientRect);

Thanks!
Atmapuri

Hi!

Causes invalid pointer operation when unzooming.

Kind Regards!
Atmapuri

Hi! I am drawing a bitmap on TeeChart in FireMonkey for Windows: var FBitmap: FMX.Graphics.TBitmap; ... ParentChart.Canvas.StretchDraw(Rf,FBitmap) ... The bitmap gets drawn, but the FBitmap.PixelFormat Property is ignored. The bitmap is drawn in the CMYK color mode it seems. (At least those are the ...