Subversion Repositories filter_foundry

Rev

Rev 76 | Rev 106 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 76 Rev 94
Line 16... Line 16...
16 
    along with this program; if not, write to the Free Software
 16 
    along with this program; if not, write to the Free Software
17 
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 17 
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18 
*/
 18 
*/
19 
 
 19 
 
20 
#include "ff.h"
 20 
#include "ff.h"
- 
 
 21 
 
21 
#include "symtab.h"
 22 
#include "symtab.h"
22 
#include "node.h"
 23 
#include "node.h"
23 
#include "funcs.h"
 24 
#include "funcs.h"
24 
#include "y.tab.h"
 25 
#include "y.tab.h"
25 
 
 26 
 
26 
extern value_type var[];
 27 
extern value_type var[];
27 
extern int nplanes,varused[],cnvused,srcradused;
 28 
extern int nplanes,varused[],cnvused;
28 
extern struct node *tree[];
 29 
extern struct node *tree[];
29 
 
 30 
 
30 
// points to first row, first column of selection image data
 31 
// points to first row, first column of selection image data
31 
// this is used by src() and cnv() functions to access pixels
 32 
// this is used by src() and cnv() functions to access pixels
32 
unsigned char *image_ptr;
 33 
unsigned char *image_ptr;
Line 36... Line 37...
36 
/* get prepared to evaluate expression trees--
 37 
/* get prepared to evaluate expression trees--
37 
   this assumes that tree[] array is already set up
 38 
   this assumes that tree[] array is already set up
38 
   return TRUE if we're ready to go
 39 
   return TRUE if we're ready to go
39 
*/
 40 
*/
40 
 
 41 
 
- 
 
 42 
// minimum setup required when formulae have not changed,
- 
 
 43 
// and a new preview is to be generated. (Called by recalc_preview())
- 
 
 44 
void evalinit(){
- 
 
 45 
        INITRANDSEED();
- 
 
 46 
}
- 
 
 47 
 
- 
 
 48 
// full setup for evaluation, called when formulae have changed.
41 
Boolean setup(FilterRecordPtr pb){
 49 
Boolean setup(FilterRecordPtr pb){
42 
        int i;
 50 
        int i;
43 
 
 51 
 
44 
        INITRANDSEED();
 - 
 
45 
        var['X'] = pb->filterRect.right - pb->filterRect.left;
 52 
        var['X'] = pb->filterRect.right - pb->filterRect.left;
46 
        var['Y'] = pb->filterRect.bottom - pb->filterRect.top;
 53 
        var['Y'] = pb->filterRect.bottom - pb->filterRect.top;
47 
        var['Z'] = nplanes;
 54 
        var['Z'] = nplanes;
48 
        var['D'] = 1024;
 55 
        var['D'] = 1024;
49 
        var['M'] = ff_c2m(var['X'],var['Y'])/2;
 56 
        var['M'] = ff_c2m(var['X'],var['Y'])/2;
50 
 
 57 
 
51 
        /* initialise flags for tracking special variable usage */
 58 
        /* initialise flags for tracking special variable usage */
52 
        for(i = 0; i < 0x100; i++)
 59 
        for(i = 0; i < 0x100; i++)
53 
                varused[i] = 0;
 60 
                varused[i] = 0;
54 
        srcradused = cnvused = 0;
 61 
        needall = cnvused = 0;
55 
        for(i = 0; i < nplanes; ++i){
 62 
        for(i = 0; i < nplanes; ++i){
56 
//char s[100];sprintf(s,"expr[%d]=%#x",i,expr[i]);dbg(s);
 63 
//char s[100];sprintf(s,"expr[%d]=%#x",i,expr[i]);dbg(s);
57 
                if( tree[i] || (tree[i] = parseexpr(expr[i])) )
 64 
                if( tree[i] || (tree[i] = parseexpr(expr[i])) )
58 
                        checkvars(tree[i],varused,&cnvused,&srcradused);
 65 
                        checkvars(tree[i],varused,&cnvused,&needall);
59 
                else
 66 
                else
60 
                        break;
 67 
                        break;
61 
        }
 68 
        }
62 
        needinput = ( cnvused || srcradused
 69 
        needinput = ( cnvused || needall
63 
                || varused['r'] || varused['g'] || varused['b'] || varused['a']
 70 
                || varused['r'] || varused['g'] || varused['b'] || varused['a']
64 
                || varused['i'] || varused['u'] || varused['v'] || varused['c'] );
 71 
                || varused['i'] || varused['u'] || varused['v'] || varused['c'] );
65 
 
 72 
       
- 
 
 73 
        evalinit();
66 
        return i==nplanes; /* all required expressions parse OK */
 74 
        return i==nplanes; /* all required expressions parse OK */
67 
}
 75 
}
68 
 
 76 
 
69 
void evalpixel(unsigned char *outp,unsigned char *inp){
 77 
void evalpixel(unsigned char *outp,unsigned char *inp){
70 
        int f,k;
 78 
        int f,k;