From 3b57efaf992b3dccbf60b0f94004c587b93fec32 Mon Sep 17 00:00:00 2001
From: uruk
Date: Sat, 21 Sep 2013 14:25:54 +0200
Subject: AVALANCHE: Revise Graphics::drawPicture().

---
 engines/avalanche/graphics.cpp | 4 ++--
 engines/avalanche/graphics.h   | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

(limited to 'engines/avalanche')

diff --git a/engines/avalanche/graphics.cpp b/engines/avalanche/graphics.cpp
index aa363bb0a2..643025fec7 100644
--- a/engines/avalanche/graphics.cpp
+++ b/engines/avalanche/graphics.cpp
@@ -290,11 +290,11 @@ void Graphics::drawSprite(const SpriteInfo &sprite, byte picnum, int16 x, int16
 	}
 }
 
-void Graphics::drawPicture(::Graphics::Surface &target, ::Graphics::Surface &picture, uint16 destX, uint16 destY) {
+void Graphics::drawPicture(::Graphics::Surface &target, const ::Graphics::Surface &picture, uint16 destX, uint16 destY) {
 	// Copy the picture to the given place on the screen.
 	for (uint16 y = 0; y < picture.h; y++) {
 		for (uint16 x = 0; x < picture.w; x++)
-			*(byte *)target.getBasePtr(x + destX, y + destY) = *(byte *)picture.getBasePtr(x, y);
+			*(byte *)target.getBasePtr(x + destX, y + destY) = *(const byte *)picture.getBasePtr(x, y);
 	}
 }
 
diff --git a/engines/avalanche/graphics.h b/engines/avalanche/graphics.h
index de08a9a2c5..4cf338bb3f 100644
--- a/engines/avalanche/graphics.h
+++ b/engines/avalanche/graphics.h
@@ -86,7 +86,7 @@ public:
 	::Graphics::Surface loadPictureRow(Common::File &file, uint16 width, uint16 height); // Reads Row-planar EGA data.
 
 	void drawSprite(const SpriteInfo &sprite, byte picnum, int16 x, int16 y);
-	void drawPicture(::Graphics::Surface &target, ::Graphics::Surface &picture, uint16 destX, uint16 destY); // Can't call .free() here. See Lucerna::showscore() for example.
+	void drawPicture(::Graphics::Surface &target, const ::Graphics::Surface &picture, uint16 destX, uint16 destY); // Can't call .free() here. See Lucerna::showscore() for example.
 	void refreshScreen();
 	void refreshBackground();
 
-- 
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