photomosaics

commit c20397d72c30435716a434d07ba41fb0757504d4
Author: Wilson Gheen <wilson@wilsonrgheen.com>
Date:   Sat, 24 Dec 2022 15:53:11 -0600

Initial commit. Add modified version of MagickCore sample program

Diffstat:
A
photomosaics.c
 | 
43
+++++++++++++++++++++++++++++++++++++++++++

1 file changed, 43 insertions(+), 0 deletions(-)
diff --git a/photomosaics.c b/photomosaics.c
@@ -0,0 +1,43 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <MagickCore/MagickCore.h>
+
+int main(int argc, char **argv) {
+    ExceptionInfo *exception;
+    Image *image, *images, *resize_image, *thumbnails;
+    ImageInfo *image_info;
+    if(argc != 3) {
+        fprintf(stdout, "Usage: %s old_image new_image\n", argv[0]);
+        exit(2);
+    }
+
+    MagickCoreGenesis(*argv, MagickTrue);
+    exception = AcquireExceptionInfo();
+    image_info = CloneImageInfo((ImageInfo *)NULL);
+    strcpy(image_info->filename, argv[1]);
+    images = ReadImage(image_info, exception);
+    if(exception->severity != UndefinedException)
+        CatchException(exception);
+    if(!images)
+        exit(1);
+
+    thumbnails = NewImageList();
+    while((image=RemoveFirstImageFromList(&images)) != (Image *)NULL) {
+        resize_image = ResizeImage(image, 237, 282, LanczosFilter, exception);
+        if(!resize_image)
+            MagickError(exception->severity, exception->reason, exception->description);
+        AppendImageToList(&thumbnails, resize_image);
+        DestroyImage(image);
+    }
+    
+    strcpy(thumbnails->filename, argv[2]);
+    WriteImage(image_info, thumbnails, exception);
+
+    thumbnails = DestroyImageList(thumbnails);
+    image_info = DestroyImageInfo(image_info);
+    exception = DestroyExceptionInfo(exception);
+    MagickCoreTerminus();
+    return 0;
+}