From e9dfd457c1cd5969fc73d5bf03e98507cee0946f Mon Sep 17 00:00:00 2001
From: iobyte <iobyte@30fe4595-0a0c-4342-8851-515496e4dcbd>
Date: Fri, 4 Nov 2022 16:54:14 +0000
Subject: [PATCH] trackgen: fix libpng warning: interlace handling should be
 turned on when using png_read_image.

git-svn-id: https://svn.code.sf.net/p/speed-dreams/code/trunk@8623 30fe4595-0a0c-4342-8851-515496e4dcbd

Former-commit-id: bc73eb15f1e79cfcb2065d53d559cbd4653143de
Former-commit-id: 4f328da75b7060bc26b93d1e5edda53f1fc23e3b
---
 src/libs/tgfclient/guitexture.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/libs/tgfclient/guitexture.cpp b/src/libs/tgfclient/guitexture.cpp
index 605680ffb..0ec73cf8b 100644
--- a/src/libs/tgfclient/guitexture.cpp
+++ b/src/libs/tgfclient/guitexture.cpp
@@ -203,6 +203,9 @@ GfTexReadImageFromPNG(const char *filename, float screen_gamma, int *pWidth, int
 	png_get_IHDR(png_ptr, info_ptr, &src_width, &src_height,
 				 &bit_depth, &color_type, &interlace_type, NULL, NULL);
 
+	if (interlace_type != PNG_INTERLACE_NONE)
+		png_set_interlace_handling(png_ptr);
+
 	if (bit_depth == 1 && color_type == PNG_COLOR_TYPE_GRAY) 
 	    png_set_invert_mono(png_ptr);