24 |
|
extern const char BIGEND[]; |
25 |
|
extern const char FMTSTR[]; |
26 |
|
|
27 |
– |
int contrib = 0; // computing contributions? |
28 |
– |
|
29 |
– |
int xres = 0; // horizontal (scan) size |
30 |
– |
int yres = 0; // vertical resolution |
31 |
– |
|
27 |
|
// new/exclusive, overwrite if exists, or recover data |
28 |
|
int RSDOflags[] = {RDSwrite|RDSexcl|RDSextend, RDSwrite|RDSextend, |
29 |
|
RDSread|RDSwrite}; |
158 |
|
} |
159 |
|
SCOLOR contr; |
160 |
|
raycontrib(contr, r, PRIMARY); // compute coefficient |
161 |
< |
if (contrib) |
161 |
> |
if (rcp->HasFlag(RCcontrib)) |
162 |
|
smultscolor(contr, r->rcol); // -> value contribution |
163 |
|
for (int i = 0; i < NCSAMP; i++) |
164 |
|
*dvp++ += contr[i]; // accumulate color/spectrum |
193 |
|
return false; |
194 |
|
} |
195 |
|
if (!nChan) { // initial call? |
196 |
+ |
if ((xres < 0) | (yres <= 0)) { |
197 |
+ |
error(INTERNAL, "xres, yres must be set before first modifier"); |
198 |
+ |
return false; |
199 |
+ |
} |
200 |
|
if (!SetDataFormat(dtyp)) |
201 |
|
return false; |
202 |
|
nChan = NCSAMP; |
391 |
|
strcpy(hdr+begData, ROWZEROSTR); |
392 |
|
rowCountPos = begData+LNROWSTR; |
393 |
|
begData += sizeof(ROWZEROSTR)-1; |
394 |
< |
if (!xres | (rowBytes > esiz)) { |
394 |
> |
if (!rcp->xres | (rowBytes > esiz)) { |
395 |
|
sprintf(hdr+begData, "NCOLS=%d\n", int(rowBytes/esiz)); |
396 |
|
begData += strlen(hdr+begData); |
397 |
|
} |
429 |
|
hdr[begData++] = ' '; |
430 |
|
hdr[begData++] = '\n'; // EOL for data format |
431 |
|
hdr[begData++] = '\n'; // end of nominal header |
432 |
< |
if ((xres > 0) & (rowBytes == esiz)) { // tack on resolution string? |
433 |
< |
sprintf(hdr+begData, PIXSTDFMT, yres, xres); |
432 |
> |
if ((rcp->xres > 0) & (rowBytes == esiz)) { // tack on resolution string? |
433 |
> |
sprintf(hdr+begData, PIXSTDFMT, rcp->yres, rcp->xres); |
434 |
|
begData += strlen(hdr+begData); |
435 |
|
} |
436 |
|
return rData->ReleaseMemory(hdr, RDSwrite); |
484 |
|
} |
485 |
|
// check #columns |
486 |
|
if (((cp = findArgs(hdr, "NCOLS=", begData)) && atoi(cp)*esiz != rowBytes) || |
487 |
< |
!xres | (rowBytes > esiz)) { |
487 |
> |
!rcp->xres | (rowBytes > esiz)) { |
488 |
|
sprintf(errmsg, "expected NCOLS=%d in '%s'", |
489 |
|
int(rowBytes/esiz), GetName()); |
490 |
|
error(USER, errmsg); |
499 |
|
rowCountPos = cp - hdr; |
500 |
|
int rlast = atoi(cp); |
501 |
|
begData++; // advance past closing EOL |
502 |
< |
if ((xres > 0) & (rowBytes == esiz)) { // check/skip resolution string? |
502 |
> |
if ((rcp->xres > 0) & (rowBytes == esiz)) { // check/skip resolution string? |
503 |
|
char rbuf[64]; |
504 |
< |
sprintf(rbuf, PIXSTDFMT, yres, xres); |
504 |
> |
sprintf(rbuf, PIXSTDFMT, rcp->yres, rcp->xres); |
505 |
|
int rlen = strlen(rbuf); |
506 |
|
if (strncmp(rbuf, hdr+begData, rlen)) { |
507 |
|
sprintf(errmsg, "bad resolution string in '%s'", GetName()); |