From e58d7fc6e17349a9a456632f9403a73262a428e5 Mon Sep 17 00:00:00 2001
From: "sgunderson@bigfoot.com" <>
Date: Sun, 31 May 2009 20:20:56 +0200
Subject: [PATCH] Correct PGM height for vertically sampled components.

---
 driver.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/driver.c b/driver.c
index fd861f2..b12b226 100644
--- a/driver.c
+++ b/driver.c
@@ -214,8 +214,9 @@ void read_scan(struct byte_source* source, struct jpeg_image* image, huffman_tab
 			const int c = 1;
 			if (mcu_y == image->num_blocks_vertical) {
 				unsigned stride = image->num_blocks_horizontal * image->hsample[c] * DCTSIZE;
-				printf("P5\n%u %u\n255\n", stride, image->height);
-				fwrite(image->pixel_data[c], stride * image->height, 1, stdout);
+				unsigned height = image->num_blocks_vertical * image->vsample[c] * DCTSIZE;
+				printf("P5\n%u %u\n255\n", stride, height);
+				fwrite(image->pixel_data[c], stride * height, 1, stdout);
 			}
 		}
 	}
-- 
2.39.2