90     int xsize, ysize, zsize;  in imgfile_read()  local
118     zsize = image->zsize;  in imgfile_read()
119     if ( zsize != 1 && zsize != 3) {  in imgfile_read()
132     if ( zsize == 3 ) zsize = 4;  in imgfile_read()
133     rv = PyString_FromStringAndSize((char *)NULL, xsize*ysize*zsize);  in imgfile_read()
151         if ( zsize == 1 ) {  in imgfile_read()
216 xscale(IMAGE *image, int xsize, int ysize, int zsize,  in xscale()  argument
223     if ( zsize == 1 ) {  in xscale()
246     int xsize, ysize, zsize;  in imgfile_readscaled()  local
307     zsize = image->zsize;  in imgfile_readscaled()
308     if ( zsize != 1 && zsize != 3) {  in imgfile_readscaled()
321     if ( zsize == 3 ) zsize = 4;  in imgfile_readscaled()
322     rv = PyString_FromStringAndSize(NULL, xwtd*ywtd*zsize);  in imgfile_readscaled()
335         xscale(image, xsize, ysize, zsize,  in imgfile_readscaled()
349             if ( zsize == 1 ) {  in imgfile_readscaled()
387     rv = Py_BuildValue("(iii)", image->xsize, image->ysize, image->zsize);  in imgfile_getsizes()
397     int xsize, ysize, zsize, len;  in imgfile_write()  local
408                       &fname, &cdatap, &len, &xsize, &ysize, &zsize) )  in imgfile_write()
411     if ( zsize != 1 && zsize != 3 ) {  in imgfile_write()
416     if ( len != xsize * ysize * (zsize == 1 ? 1 : 4) ) {  in imgfile_write()
428     image =iopen(fname, "w", RLE(1), 3, xsize, ysize, zsize);  in imgfile_write()
452         if ( zsize == 1 ) {  in imgfile_write()