ImgGetWhiteValue

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Prototype

 

IntColor:=ImgGetWhiteValue(intImageHandle)

 

Description

 

Returns the code corresponding to the white color for the shown image.

 

Parameters

 

intImageHandle: integer value corresponding to the image handle.

 

Returned value

 

IntColor: integer value showing the white color of the image.

 

Notes

 

None.

 

Example

 

// Transforming image to monochrome format if required

nBits:=ImgGetBitsPixel(_CurrentImage);

if nBits>1 then ImgThreshold(_CurrentImage,127);

 

// Extract the width and height

width:=ImgGetWidth(_CurrentImage);

height:=ImgGetHeight(_CurrentImage);

//value for white color

color:=ImgGetWhiteValue(_CurrentImage);

 

// Printing a white border around current image

for x:=0 to width-1 do

 begin

         ImgSetPixel(_CurrentImage,x,0,color);

                 ImgSetPixel(_CurrentImage,x,height-1,color);

       end;

for y:=0 to height-1 do

 begin

         ImgSetPixel(_CurrentImage,0,y,color);

         ImgSetPixel(_CurrentImage,width-1,y,color);

 end;

ApplicationLog('Drawing');