#include /* ifdef then trace on */ #ifdef TRACE #define TRACE_GET_IMAGE_INFO #endif /* XW_STATUS Xw_get_image_info (aimage,zoom,width,height,depth): XW_EXT_IMAGEDATA *aimage Image float *zoom returned Zoom factor int *width,*height returned Image pixel size int *depth returned Image planes depth. Get image size and zoom factor. returns ERROR if bad image extended address returns SUCCESS if successfull * */ #ifdef XW_PROTOTYPE XW_STATUS Xw_get_image_info (void* aimage,float *zoom,int* width,int* height,int *depth) #else XW_STATUS Xw_get_image_info (aimage,zoom,width,height,depth) void *aimage; float *zoom; int *width; int *height; int *depth; #endif /*XW_PROTOTYPE*/ { XW_EXT_IMAGEDATA *pimage = (XW_EXT_IMAGEDATA*)aimage; if( !Xw_isdefine_image(pimage) ) { /*ERROR*Bad EXT_IMAGE Address*/ Xw_set_error(25,"Xw_get_image_info",pimage) ; return (XW_ERROR) ; } *zoom = pimage->zoom; *width = _IIMAGE->width; *height = _IIMAGE->height; *depth = _IIMAGE->depth; #ifdef TRACE_GET_IMAGE_INFO if( Xw_get_trace() ) { printf (" Xw_get_image_info('%lx',%f,%d,%d,%d)\n",(long ) aimage, *zoom,*width,*height,*depth); } #endif return (XW_SUCCESS); }