Garbage Collection in GraphicsMagick

Using GraphicsMagick, when you want to rotate, scale, normalize... or doing anything to the image.

/* A line to fill table x-axis in html A line to fill table x-axis in html A line to fill table x-axis in html*/ InitializeMagick(argv[0]); ImageInfo *info=new ImageInfo; ExceptionInfo * excp=new ExceptionInfo; GetImageInfo(info); GetExceptionInfo(excp); strcpy(info->filename,argv[1]); Image * ii = ReadImage(info,excp); ii=RotateImage(ii,270,excp); /* The original ii is lost!!! */

Using a tmp variable

/* A line to fill table x-axis in html A line to fill table x-axis in html A line to fill table x-axis in html*/ Image * tmp = RotateImage(ii,270,excp); DestroyImage(ii); ii=tmp; /* To much trouble... */

Using Boehm Garbage Collector

/* A line to fill table x-axis in html A line to fill table x-axis in html A line to fill table x-axis in html*/ #define GC_DEBUG #include <gc/gc.h> #define CHECK_LEAKS() GC_gcollect() GC_init(); /*for GM*/ MagickAllocFunctions(GC_free,GC_malloc,GC_realloc); /*for IM*/ SetMagickMemoryMethods(\ (AcquireMemoryHandler)GC_malloc,\ (ResizeMemoryHandler)GC_realloc,\ (DestroyMemoryHandler)GC_free);         /* Set Memory Alloc/Dealloc function to GC before calling any IM/GM function */ InitializeMagick(argv[0]); /* Call GC anytime you like */ CHECK_LEAKS();