func Resize(fpath, tpath string, typ, cols, rows int) error { var mw *C.MagickWand = C.NewMagickWand() var cfpath = C.CString(fpath) var ctpath = C.CString(tpath) var etype C.ExceptionType defer func() { C.free(unsafe.Pointer(cfpath)) C.free(unsafe.Pointer(ctpath)) }() defer func() { C.ClearMagickWand(mw) C.DestroyMagickWand(mw) }() if C.MagickReadImage(mw, cfpath) == C.MagickFalse { goto ERR } if C.scale(mw, C.int(typ), C.int(cols), C.int(rows)) == C.MagickFalse { goto ERR } if C.MagickWriteImages(mw, ctpath, C.MagickTrue) == C.MagickFalse { goto ERR } return nil ERR: etype = C.MagickGetExceptionType(mw) return errors.New(C.GoString(C.MagickGetException(mw, &etype))) }
/* clears resources associated with the wand, leaving the wand blank, and ready to be used for a new set of images. */ func (w *MagickWand) Clear() { C.ClearMagickWand(w.wand) }
// Clear resources associated with the wand, leaving the wand blank, and ready to be used for a new set of images. func (mw *MagickWand) Clear() { C.ClearMagickWand(mw.mw) }