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

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fixes some of the views in KQ6.

svn-id: r40132
This commit is contained in:
Walter van Niftrik 2009-04-24 23:05:08 +00:00
parent 6ed9adab92
commit 204174180d
1 changed files with 4 additions and 0 deletions
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4
engines/sci/gfx/res_view1.cpp
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@ -68,6 +68,10 @@ static int decompress_sci_view(int id, int loop, int cel, byte *resource, byte *
int writepos = mirrored ? xl : 0; int writepos = mirrored ? xl : 0;
int linebase = 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) { while ((mirrored ? linebase < pixmap_size : writepos < pixmap_size) && literal_pos < size && runlength_pos < size) {
int op = resource[runlength_pos]; int op = resource[runlength_pos];
int bytes; int bytes;