User:Level zero/GSOC13/api

API CALLS

Cropping(Group1)

• for bwrect, pixrect

   void
   icv_rect(icv_image_file_t *img,
            icv_image_file_t *img_out,    
            icv_point_t *area,
            icv_point_t *orig);   

• for bwcrop

   void
   icv_crop(icv_image_file_t *img,
            icv_image_file_t *img_out,
            icv_size_t *outsize,
            icv_point_t *p1,
            icv_point_t *p2,
            icv_point_t *p3,
            icv_point_t *p4);

Operations (Group2)

• for bwdiff, pixdiff

   void
   icv_oper2(icv_image_file_t* img1,
             icv_image_file_t* img2,
             icv_image_file_t *img_out,
             icv_operation *opr) 

• for bwmod

   void
   icv_oper1(icv_image_file* img,
             icv_image_file_t *img_out,
             icv_operation_t *oper[],  
             int numop); 

• for Pixsaturate

   void
   icv_saturate(icv_image_file_t *img,
                icv_image_file_t *img_out,    
                double saturation);

Filters (Group3)

• for bwfilter, pixfilter, pix3filter, pixfade

   void
   icv_filter(icv_image_file_t *img,
              icv_image_file_t *img_out,  
              int kernel);

Histogram (Group4)

• for bwhist, pixhist

   void
   icv_hist(icv_image_file_t *img, 
           long *bin1, 
           long *bin2, 
           long *bin3);

• for bwhisteq

   void icv_histeq(icv_image_file_t *img,
                   icv_imgage_file_t *out);

Scale (Group5)

• for bwscale, pixscale

   void icv_histeq(icv_image_file_t *img,
                   icv_image_file_t *img_out,
                   icv_size_t *size,
                   int method);

• for bwshrink, pixshrink

   void icv_shrink(icv_image_file_t *img,
                   icv_image_file_t* img_out,
                   icv_size_t *size,
                   int factor,
                   int method);

Stats (Group6)

• for imgdims, pixcount

Not useful

• for pixstat, bwstat

   void icv_stat(icv_image_file_t *img,
                 icv_stat_t *stat1, 
                 icv_stat_t *stat2,   
                 icv_stat_t *stat3);

• for pixcolors

   void icv_colors(icv_image_file_t *img) 
   /* Prints all the colors */    
   

Threshold (Group7)

• for bwthresh

   void icv_threshold(icv_image_file_t *img,
                      icv_image_file_t *img_out,
                      unsigned char *val,

int num_thresh);

• for pixclump

   void icv_clump()	

/* Need Suggestions */

Interpolate(Group8)

• for pixinterep2x

   void icv_interep2x(icv_image_file_t *img,
                      icv_image_file_t *img_out);    

• for pixhalve

   void icv_halve(icv_image_file_t *img,
                  icv_image_file_t *img_out
                  int autosize );

Structure

• ICV_IMAGE_FILE

 struct icv_image_file {
   uint_32 magic;
   char* filename;
   int fd;
   int format;
   int width, height, depth;
   unsigned char *data;
   unisgned long flags;		
 };

• ICV_SIZE

 struct icv_size {
   int height, width;
 };

• ICV_POINT

 struct icv_point {
   int x,y;
 };

• ICV_OPERATION

 struct icv_operation {	
   char oper;
   double val;	
 };

• ICV_KERNEL

 struct icv_kernel {
   char *name;
   char *uname;		/* What is needed to recognize it */
   int *kern;
   int kerndiv;	/* Divisor for kernel */
   int kernoffset;	/* To be added to result */
 };

• ICV_STAT

   struct icv_stat {
     int max, min, mode, median;
     double mean, var, skew;
     long sum, partial_sum;
   };