Reads a pixel from a specified location
Source position: cybergraphics.pas line 166
function ReadRGBPixel( |
Rp: PRastPort; |
X: LongInt; |
Y: LongInt |
):LongWord; |
X |
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the x coordinate of the pixel |
Y |
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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!
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Writes a pixel to a specified location |
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read the pen number value of the pixel at a specified x,y location within a certain RastPort. |