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authorBenjamin Franzke <benjaminfranzke@googlemail.com>2012-11-14 13:39:03 +0100
committerBenjamin Franzke <benjaminfranzke@googlemail.com>2012-11-14 13:39:38 +0100
commite0a2d71eb4aa821428a86b97a03b083f227f524c (patch)
tree73e42f18f5810462407fab609192e79947214a30 /src/util.c
parent00abf3e6113704676d8ca0262d9e5d73c8af5969 (diff)
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Add util.c
Diffstat (limited to 'src/util.c')
-rw-r--r--src/util.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/util.c b/src/util.c
new file mode 100644
index 0000000..bd4b7b8
--- /dev/null
+++ b/src/util.c
@@ -0,0 +1,12 @@
+void
+pgm_save(unsigned char *buf, int wrap, int xsize, int ysize, char *filename)
+{
+ FILE *f;
+ int i;
+
+ f = fopen(filename, "w");
+ fprintf(f, "P5\n%d %d\n%d\n", xsize, ysize, 255);
+ for(i=0; i < ysize; i++)
+ fwrite(buf + i * wrap, 1, xsize, f);
+ fclose(f);
+}