Unit 'CYBERGRAPHICS'	Package
[Overview][Constants][Types][Procedures and functions][Variables][Index]	[#morphunits]

ReadRGBPixel

Reads a pixel from a specified location

Declaration

Source position: cybergraphics.pas line 314

function ReadRGBPixel(

a1arg: PRastPort;

x: Word;

y: Word

):LongWord;

`a1arg`		pointer to a RastPort structure
`x`		the x coordinate of the pixel
`y`		the y coordinate of the pixel

the desired color in AARRGGBB format. Every component allocates 8 bits in the returned longword.

Read the alpha,red,green and blue 8-bit color components of the pixel at a specified x,y location within a certain RastPort

Attention

This function should only be used on screens depths > 8 bits. Use ReadPixel() on 8 bit screens!

WriteRGBPixel		Writes a pixel to a specified location
ReadPixel		read the pen number value of the pixel at a specified x,y location within a certain RastPort.