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Clamp to range when getting samples. Use -doubleValue instead of -intValue where values may be real numbers.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/trunk@16748 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Alexander Malmberg 2003-05-19 16:27:39 +00:00
parent 1707acd988
commit 3d01a03dd5
2 changed files with 16 additions and 4 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2003-05-19 15:56 Alexander Malmberg <alexander@malmberg.org>
* Source/art/shfill.m (function_getsample): Clamp to range.
(function_setup): Use -doubleValue, not -intValue, for values that
are allowed to be real numbers.
2003-05-18 Benhur Stein
* Source/xlib/XGGState.m (-copyBits:fromRect:toPoint:): Draw

14
Source/art/shfill.m
View file

@ -20,6 +20,10 @@
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
this code is rather experimental
*/
#include <math.h>
#include "ARTGState.h"
@ -264,6 +268,8 @@ static double function_getsample(function_t *f,int sample,int i)
}
v=f->decode[i*2]+v*(f->decode[i*2+1]-f->decode[i*2]);
if (v<f->range[i*2]) v=f->range[i*2];
if (v>f->range[i*2+1]) v=f->range[i*2+1];
return v;
}
@ -481,24 +487,24 @@ static BOOL function_setup(NSDictionary *d,function_t *f)
a=[d objectForKey: @"Domain"];
for (i=0;i<f->num_in*2;i++)
f->domain[i]=[[a objectAtIndex: i] intValue];
f->domain[i]=[[a objectAtIndex: i] doubleValue];
a=[d objectForKey: @"Range"];
for (i=0;i<f->num_out*2;i++)
f->decode[i]=f->range[i]=[[a objectAtIndex: i] intValue];
f->decode[i]=f->range[i]=[[a objectAtIndex: i] doubleValue];
a=[d objectForKey: @"Decode"];
if (a)
{
for (i=0;i<f->num_out*2;i++)
f->decode[i]=[[a objectAtIndex: i] intValue];
f->decode[i]=[[a objectAtIndex: i] doubleValue];
}
a=[d objectForKey: @"Encode"];
if (a)
{
for (i=0;i<f->num_in*2;i++)
f->encode[i]=[[a objectAtIndex: i] intValue];
f->encode[i]=[[a objectAtIndex: i] doubleValue];
}
f->eval=function_eval;