add files

share/doc/ImageMagick-7/www/source/core.c

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+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <magick/MagickCore.h>
+
+int main(int argc,char **argv)
+{
+  ExceptionInfo
+    *exception;
+
+  Image
+    *image,
+    *images,
+    *resize_image,
+    *thumbnails;
+
+  ImageInfo
+    *image_info;
+
+  if (argc != 3)
+    {
+      (void) fprintf(stdout,"Usage: %s image thumbnail\n",argv[0]);
+      exit(0);
+    }
+  /*
+    Initialize the image info structure and read an image.
+  */
+  MagickCoreGenesis(*argv,MagickTrue);
+  exception=AcquireExceptionInfo();
+  image_info=CloneImageInfo((ImageInfo *) NULL);
+  (void) strcpy(image_info->filename,argv[1]);
+  images=ReadImage(image_info,exception);
+  if (exception->severity != UndefinedException)
+    CatchException(exception);
+  if (images == (Image *) NULL)
+    exit(1);
+  /*
+    Convert the image to a thumbnail.
+  */
+  thumbnails=NewImageList();
+  while ((image=RemoveFirstImageFromList(&images)) != (Image *) NULL)
+  {
+    resize_image=ResizeImage(image,106,80,LanczosFilter,1.0,exception);
+    if (resize_image == (Image *) NULL)
+      MagickError(exception->severity,exception->reason,exception->description);
+    (void) AppendImageToList(&thumbnails,resize_image);
+    DestroyImage(image);
+  }
+  /*
+    Write the image thumbnail.
+  */
+  (void) strcpy(thumbnails->filename,argv[2]);
+  WriteImage(image_info,thumbnails);
+  /*
+    Destroy the image thumbnail and exit.
+  */
+  thumbnails=DestroyImageList(thumbnails);
+  image_info=DestroyImageInfo(image_info);
+  exception=DestroyExceptionInfo(exception);
+  MagickCoreTerminus();
+  return(0);
+}