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Handle bmps with more than 8 bits per channel. (#172584, David Costanzo)

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2006-12-22  Matthias Clasen  <mclasen@redhat.com>

        * io-bmp.c (decode_bitmasks): Handle bmps
        with more than 8 bits per channel.  (#172584,
        David Costanzo)
This commit is contained in:
Matthias Clasen 2006-12-22 06:19:38 +00:00 committed by Matthias Clasen
parent 21e120cc44
commit 030a61a931
2 changed files with 21 additions and 0 deletions
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4
gdk-pixbuf/ChangeLog
View File

@ -1,5 +1,9 @@
2006-12-22 Matthias Clasen <mclasen@redhat.com>
* io-bmp.c (decode_bitmasks): Handle bmps
with more than 8 bits per channel. (#172584,
David Costanzo)
* io-bmp.c: Handle offsets more carefully. (#172188,
David Costanzo)

17
gdk-pixbuf/io-bmp.c
View File

@ -605,6 +605,23 @@ decode_bitmasks (guchar *buf,
}
}
if (State->r_bits > 8) {
State->r_shift += State->r_bits - 8;
State->r_bits = 8;
}
if (State->g_bits > 8) {
State->g_shift += State->g_bits - 8;
State->g_bits = 8;
}
if (State->b_bits > 8) {
State->b_shift += State->b_bits - 8;
State->b_bits = 8;
}
if (State->a_bits > 8) {
State->a_shift += State->a_bits - 8;
State->a_bits = 8;
}
State->read_state = READ_STATE_DATA;
State->BufferDone = 0;
State->BufferSize = State->LineWidth;