1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
#include "mupdf/fitz.h"
void
fz_eval_function(fz_context *ctx, fz_function *func, const float *in, int inlen, float *out, int outlen)
{
float fakein[FZ_FN_MAXM];
float fakeout[FZ_FN_MAXN];
int i;
if (inlen < func->m)
{
for (i = 0; i < func->m; ++i)
fakein[i] = in[i];
for (; i < inlen; ++i)
fakein[i] = 0;
in = fakein;
}
if (outlen < func->n)
{
func->evaluate(ctx, func, in, fakeout);
for (i = 0; i < outlen; ++i)
out[i] = fakeout[i];
}
else
{
func->evaluate(ctx, func, in, out);
for (i = func->n; i < outlen; ++i)
out[i] = 0;
}
}
fz_function *
fz_keep_function(fz_context *ctx, fz_function *func)
{
return fz_keep_storable(ctx, &func->storable);
}
void
fz_drop_function(fz_context *ctx, fz_function *func)
{
fz_drop_storable(ctx, &func->storable);
}
unsigned int
fz_function_size(fz_context *ctx, fz_function *func)
{
return (func ? func->size : 0);
}
|
