From 7b7cd6da61b1fcc0f2a3ecce2cb9e6c42782c717 Mon Sep 17 00:00:00 2001
From: Henning Makholm <henning@makholm.net>
Date: Fri, 27 Jan 2006 18:00:00 -0500
Subject: Import of release 0.7

---
(limited to 'test/source/mkbase.i')

diff --git a/test/source/mkbase.i b/test/source/mkbase.i
new file mode 100644
index 0000000..ec408ef
--- /dev/null
+++ b/test/source/mkbase.i
@@ -0,0 +1,60 @@
+/* -*- C -*-
+ * This program is written by Henning Makholm, and is in the
+ * public domain.
+ */
+
+#include <png.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static void
+error(png_structp png_ptr, png_const_charp errormsg)
+{
+  fprintf(stderr,"PNG error: %s\n",errormsg);
+  exit(1);
+}
+
+
+int
+main(void)
+{
+  png_structp libpng = NULL ;
+  png_infop libpng2 = NULL ;
+  unsigned char row[TEST_IMAGE_WIDTH*4] ;
+  unsigned x,y ;
+  int r,g,b,a ;
+
+  libpng = png_create_write_struct(PNG_LIBPNG_VER_STRING,
+                                   png_voidp_NULL,
+                                   error,
+                                   png_error_ptr_NULL);
+  if( !libpng )
+    error(libpng,"Couldn't initialize libpng library");
+  
+  libpng2 = png_create_info_struct(libpng);
+  if( !libpng2 )
+    error(libpng,"Couldn't create PNG info structure");
+
+  png_init_io(libpng,stdout);
+    
+  png_set_IHDR(libpng,libpng2,TEST_IMAGE_WIDTH,TEST_IMAGE_HEIGHT,
+               8, PNG_COLOR_TYPE_RGB_ALPHA,
+               PNG_INTERLACE_NONE,
+               PNG_COMPRESSION_TYPE_DEFAULT,
+               PNG_FILTER_TYPE_DEFAULT);
+
+  png_write_info(libpng,libpng2);
+               
+  for( y=0; y<TEST_IMAGE_HEIGHT; y++ ) {
+    for( x=0; x<TEST_IMAGE_WIDTH; x++ ) {
+      makepixel(x,y,&r,&g,&b,&a);
+      row[x*4+0] = r ;
+      row[x*4+1] = g ;
+      row[x*4+2] = b ;
+      row[x*4+3] = a ;
+    }
+    png_write_row(libpng,row);
+  }
+  png_write_end(libpng,libpng2);
+  return 0 ;  
+}
--
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