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ReadStream() makes the image pixels available to a user supplied callback method immediately upon reading a scanline with the ReadImage() method. The format of the ReadStream() method is:
Image *ReadStream(const ImageInfo *image_info,StreamHandler stream,
ExceptionInfo *exception)
A description of each parameter follows: image_infothe image info. streama callback method. exceptionreturn any errors or warnings in this structure. WriteStream() makes the image pixels available to a user supplied callback method immediately upon writing pixel data with the WriteImage() method. The format of the WriteStream() method is:
MagickBooleanType WriteStream(const ImageInfo *image_info,Image *,
StreamHandler stream)
A description of each parameter follows: image_infothe image info. streamA callback method. |