calculate pixel number linux imagemagick biostar

GetAuthenticPixels() obtains a pixel region for read/write access. The format of the GetAuthenticPixelQueue() method is: Quantum *GetAuthenticPixelQueue(const Image image)Ī description of each parameter follows: image the image.

GetAuthenticPixelQueue() returns the authentic pixels associated corresponding with the last call to QueueAuthenticPixels() or GetAuthenticPixels(). The format of the GetAuthenticMetacontent() method is: void *GetAuthenticMetacontent(const Image *image)Ī description of each parameter follows: image the image. NULL is returned if the associated pixels are not available.

GetAuthenticMetacontent() returns the authentic metacontent corresponding with the last call to QueueAuthenticPixels() or GetVirtualPixels(). exception return any errors or warnings in this structure. The format of the AcquirePixelCachePixels() method is: void *AcquirePixelCachePixels(const Image *image,size_t *length,Ī description of each parameter follows: image the image. AcquirePixelCachePixelsĪcquirePixelCachePixels() returns the pixels associated with the specified image. The format of the AcquirePixelCacheNexus method is: NexusInfo **AcquirePixelCacheNexus(const size_t number_threads)Ī description of each parameter follows: number_threads the number of nexus threads. AcquirePixelCacheNexus() allocates the NexusInfo structure.

Calculate pixel number linux imagemagick biostar