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img_crop()

Crop an image

Synopsis:

#include <img.h>

int img_crop( const img_t *src, 
              img_t *dst, 
              const unsigned x, 
              const unsigned y );

Arguments:

src

The address of the source img_t structure to crop.

dst

The address of the destination img_t structure, which requires the width (IMG_W) and height (IMG_H) to be specified at a minimum.

x

The horizontal coordinate in the source image to begin the crop operation.

y

The vertical coordinate in the source image to begin the crop operation.

Library:

img

Description:

This function will crop a source image at a given set of source coordinates x, y to the dimensions specified by the destination image.

Returns:

IMG_ERR_OK

Success

IMG_ERR_PARM

• source image width, height, and/or format not set.
• destination image width, and/or height not set.
• destination image larger than source image.
• crop co-ordinates plus size of destination image exceed source image bounds.

IMG_ERR_NOSUPPORT

Destination image format not supported

IMG_ERR_MEM

Memory allocation failure

Classification:

Image library

See also:

img_resize_fs()