CountColor

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CountColor.gif

Definition

function CountColor(Color, xs, ys, xe, ye: Integer): Integer;

Availability

SCAR Divi 3.00 > Current

Description

This function searches for a given color specified by Color inside of a given search area specified by xs, ys, xe, ye using a scan-line pattern. The search area is given as a set of upper-left (xs, ys) and lower-right (xe, ye) coordinates which are specified relative to the selected client window. The function returns the number of pixels it found, as a result of this 0 is returned when the color was not found.

Example

var
  w, h: Integer;

begin
  GetClientDimensions(w, h);
  WriteLn('Found color ' + IntToStr(CountColor(0, 0, 0, w - 1, h - 1)) + ' times');
end.

See Also