SCI: Initialize pixmap to transparency before decoding cel RLE data. This

fixes some of the views in KQ6.

svn-id: r40132

1 files changed, 4 insertions, 0 deletions

diff --git a/engines/sci/gfx/res_view1.cpp b/engines/sci/gfx/res_view1.cpp
index 3bf10cb7de..eea8aa3259 100644
--- a/engines/sci/gfx/res_view1.cpp
+++ b/engines/sci/gfx/res_view1.cpp
@@ -68,6 +68,10 @@ static int decompress_sci_view(int id, int loop, int cel, byte *resource, byte *
 	int writepos = mirrored ? xl : 0;
 	int linebase = 0;
 
+	// For some cels the RLE data ends at the last non-transparent pixel,
+	// so we initialize the whole pixmap to transparency first
+	memset(dest, color_key, pixmap_size);
+
 	while ((mirrored ? linebase < pixmap_size : writepos < pixmap_size) && literal_pos < size && runlength_pos < size) {
 		int op = resource[runlength_pos];
 		int bytes;