// Public: export the current image into a blob. Also destroy the current wand
//
// Examples:
// im = NewMage()
// original, err := ioutil.ReadFile("test.jpg")
// success := im.ReadBlob(original)
// imageBytes := im.ExportBlob()
func (m *Mage) ExportBlob() []byte {
defer m.Destroy()
newSize := C.size_t(0)
C.MagickResetIterator(m.wand)
image := C.MagickGetImageBlob(m.wand, &newSize)
imagePointer := unsafe.Pointer(image)
defer C.MagickRelinquishMemory(imagePointer)
return C.GoBytes(imagePointer, C.int(newSize))
}
// Resets the wand iterator
func (w *MagickWand) ResetIterator() {
C.MagickResetIterator(w.wand)
}
// This method resets the wand iterator.
// It is typically used either before iterating though images, or before calling specific methods such as AppendImages()
// to append all images together.
// Afterward you can use NextImage() to iterate over all the images in a wand container, starting with the first image.
// Using this before AddImages() or ReadImages() will cause new images to be inserted between the first and second image.
func (mw *MagickWand) ResetIterator() {
C.MagickResetIterator(mw.mw)
}