Difference between revisions of "FindColorCircleTolerance"
From SCAR Divi Manual
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==Definition== | ==Definition== | ||
<source lang="scar" lines="false"> | <source lang="scar" lines="false"> | ||
| − | function FindColorCircleTolerance( | + | function FindColorCircleTolerance(out X, Y: Integer; const Color, CX, CY, R, Tol: Integer): Boolean; |
</source> | </source> | ||
| Line 8: | Line 8: | ||
==Description== | ==Description== | ||
| − | This function searches for a given color specified by '''Color''' within a [[tolerance]] range specified by '''Tol''' inside of a given circular search area specified by the midpoint (''' | + | This function searches for a given color specified by '''Color''' within a [[tolerance]] range specified by '''Tol''' inside of a given circular search area specified by the midpoint ('''CX''', '''CY''') and the radius '''r''' using a scan-line pattern. |
| + | |||
| + | The function returns [[false]] if the color was not found, if it was it returns [[true]] and the coordinates of the found color in ('''X''', '''Y'''). The search will stop after the first instance of the color was found. | ||
| + | |||
| + | The active tolerance algorithm can be changed using the [[ColorToleranceSpeed]] function. | ||
==Example== | ==Example== | ||
Revision as of 13:45, 2 April 2012
Definition
function FindColorCircleTolerance(out X, Y: Integer; const Color, CX, CY, R, Tol: Integer): Boolean;
Availability
SCAR Divi 3.00 > Current
Description
This function searches for a given color specified by Color within a tolerance range specified by Tol inside of a given circular search area specified by the midpoint (CX, CY) and the radius r using a scan-line pattern.
The function returns false if the color was not found, if it was it returns true and the coordinates of the found color in (X, Y). The search will stop after the first instance of the color was found.
The active tolerance algorithm can be changed using the ColorToleranceSpeed function.
Example
var
w, h: Integer;
x, y: Integer;
begin
GetClientDimensions(w, h);
if FindColorCircleTolerance(x, y, 4, w div 2, h div 2, w div 4, 5) then
WriteLn('Found color at ' + IntToStr(x) + ', ' + IntToStr(y));
end.
