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clamp values used for the exponent map to 1..255. Fixes bug #478618. 

2007-10-02  Sven Neumann  <sven@gimp.org>

	* plug-ins/common/oilify.c (get_map_value): clamp values used 
for
	the exponent map to 1..255. Fixes bug #478618.


svn path=/trunk/; revision=23715
This commit is contained in:
Sven Neumann 2007-10-02 05:54:44 +00:00 committed by Sven Neumann
parent f3d514c845
commit 1f4c2a1f96
2 changed files with 11 additions and 3 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2007-10-02 Sven Neumann <sven@gimp.org>
* plug-ins/common/oilify.c (get_map_value): clamp values used for
the exponent map to 1..255. Fixes bug #478618.
2007-10-02 Kevin Cozens <kcozens@cvs.gnome.org>
* plug-ins/script-fu/scripts/guides-new.scm: Use 'list' to create

9
plug-ins/common/oilify.c
View File

@ -270,15 +270,18 @@ run (const gchar *name,
* Helper function to read a sample from a mask-size/exponent map
*/
static inline gfloat
get_map_value (guchar *src,
gint bpp)
get_map_value (const guchar *src,
gint bpp)
{
gfloat value;
if (bpp >= 3)
value = GIMP_RGB_LUMINANCE (src[0], src[1], src[2]);
else
value = (gfloat) *src;
value = *src;
if (value < 1.0)
value = 1.0;
/* value should be in [0,1] */
value /= 255.0;