From b3f90095897b64f854efc4b2f37df428a71fd508 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor.andersson@artifex.com>
Date: Thu, 31 Mar 2011 03:18:51 +0200
Subject: xps: Clean up image loading code, and handle images with alpha.

---
 draw/imageunpack.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'draw')

diff --git a/draw/imageunpack.c b/draw/imageunpack.c
index bbc22c70..2c7cb452 100644
--- a/draw/imageunpack.c
+++ b/draw/imageunpack.c
@@ -58,6 +58,16 @@ fz_unpacktile(fz_pixmap *dst, unsigned char * restrict src, int n, int depth, in
 	if (depth == 1)
 		initget1tables();
 
+	if (scale == 0)
+	{
+		switch (depth)
+		{
+		case 1: scale = 255; break;
+		case 2: scale = 85; break;
+		case 4: scale = 17; break;
+		}
+	}
+
 	for (y = 0; y < dst->h; y++)
 	{
 		unsigned char *sp = src + y * stride;
-- 
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