SimpleOCR:SDK Functions – ExtractImgArea

IMG * ExtractImgArea(IMG * img, int x, int y, int w, int h)

Extracts a rectangular area from an image.

Return Value

A pointer to a new IMG object. If the function fails, the return value is NULL.

Parameters

img

Pointer to an image of type IMG.

x

x coordinate of the upper left corner of the area.

y

y coordinate of the upper left corner of the area.

w

area width in pixels.

h

area height in pixels.

Comments

The original image is left unchanged. The extract image should be freed with the function FreeImg

Example

IMG *img,img2; 

// Create an IMG 
... 
img2=WIMGExtract(img,10,20,300,100); 

if (img2==NULL) 
{
// Error processing 
...
} 

// Use the extracted Image 
... 

// Free it 
FreeImg(img2);