From 2f08dcb667a0c577d6c18552e0aa896b2ce4e89b Mon Sep 17 00:00:00 2001
From: Filippos Karapetis <bluegr@gmail.com>
Date: Wed, 2 Feb 2011 21:18:10 +0000
Subject: [PATCH] GRAPHICS: Fixed a bug with indexed PNGs in the PNG decoder (a
 byte can't hold 256 entries)

svn-id: r55742
---
 graphics/png.cpp | 2 +-
 graphics/png.h   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/graphics/png.cpp b/graphics/png.cpp
index d0fe64bf252..5292ea01006 100644
--- a/graphics/png.cpp
+++ b/graphics/png.cpp
@@ -441,7 +441,7 @@ byte PNG::getNumColorChannels() {
 }
 
 void PNG::readPaletteChunk() {
-	for (byte i = 0; i < _paletteEntries; i++) {
+	for (uint16 i = 0; i < _paletteEntries; i++) {
 		_palette[i * 4 + 0] = _stream->readByte();	// R
 		_palette[i * 4 + 1] = _stream->readByte();	// G
 		_palette[i * 4 + 2] = _stream->readByte();	// B
diff --git a/graphics/png.h b/graphics/png.h
index 6b695b5beb1..b2ba7ac0f2a 100644
--- a/graphics/png.h
+++ b/graphics/png.h
@@ -145,7 +145,7 @@ private:
 	PNGHeader _header;
 
 	byte _palette[256 * 4];	// RGBA
-	byte _paletteEntries;
+	uint16 _paletteEntries;
 	uint16 _transparentColor[3];
 	bool _transparentColorSpecified;