1 #ifndef IMAGE_AND_KERNEL_RSH 2 #define IMAGE_AND_KERNEL_RSH 3 4 // Image size 5 typedef struct ImageSize { 6 // width-by-height is the dimension of a padded image with a margin. 7 int width; 8 int height; 9 // The dimension of the original unpadded image is 10 // (width-2*margin)-by-(height-2*margin). 11 int margin; 12 } ImageSize_t; 13 14 static void SetImageSize(int w, int h, int m, ImageSize_t *image_size) { 15 image_size->width = w; 16 image_size->height = h; 17 image_size->margin = m; 18 } 19 20 // Auxiliary information that is needed to extract a kernel matrix from a buffer 21 // of a stack of kernel matrices. 22 typedef struct KernelInfo { 23 // The starting position of a kernel matrix in a buffer of a stack of kernel 24 // matrices. 25 int offset; 26 27 // The matrix is of size (2*radius_y+1)-by-(2*radius_x+1). 28 int radius_x; 29 int radius_y; 30 } KernelInfo_t; 31 32 #endif 33
