// Sets the format of a particular image
func (self Canvas) SetFormat(format string) error {
if C.MagickSetImageFormat(self.wand, C.CString(format)) != C.MagickFalse {
return fmt.Errorf("Coluld not set format : %s", self.Error())
}
return nil
}
/*
Sets the file or blob format (e.g. "BMP") to be used when a file or blob is read. Usually this is
not necessary because GraphicsMagick is able to auto-detect the format based on the file header
(or the file extension), but some formats do not use a unique header or the selection may be ambigious.
Use MagickSetImageFormat() to set the format to be used when a file or blob is to be written.
format: The file or blob format
*/
func (this *Image) SetFormat(format string) error {
var err error = nil
tran := this.Cat.NewTransaction("GraphicsMagickCmd", "SetFormat")
defer func() {
tran.SetStatus(err)
tran.Complete()
}()
if this.magickWand == nil {
err = errors.New("error set image format:magickwand is nil")
return err
}
var cs *C.char = C.CString(format)
defer C.free(unsafe.Pointer(cs))
status := C.MagickSetImageFormat(this.magickWand, cs)
if status == 0 {
var etype int
descr := C.MagickGetException(this.magickWand, (*C.ExceptionType)(unsafe.Pointer(&etype)))
defer C.MagickRelinquishMemory(unsafe.Pointer(descr))
err = errors.New(fmt.Sprintf("error set image format: %s (ExceptionType = %d)", C.GoString(descr), etype))
return err
}
return nil
}
/* Sets the format of a particular image in a sequence */
func (w *MagickWand) SetImageFormat(format string) error {
if C.MagickSetImageFormat(w.wand, C.CString(format)) == C.MagickFalse {
eStr, eCode := w.Exception()
return fmt.Errorf("SetImageFormat() failed : [%d] %s", eStr, eCode)
}
return nil
}
// Set image format
func (self Canvas) SetFormat(format string) error {
success := C.MagickSetImageFormat(self.wand, C.CString(format))
if success == C.MagickFalse {
return fmt.Errorf("Could not set compression quality: %s", self.Error())
}
return nil
}
// Sets the format of a particular image
func (self *Canvas) SetFormat(format string) error {
cformat := C.CString(format)
defer C.free(unsafe.Pointer(cformat))
if C.MagickSetImageFormat(self.wand, cformat) == C.MagickFalse {
return fmt.Errorf("Could not set format: %s", self.Error())
}
return nil
}