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*/ |
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#include <ctype.h> |
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+ |
#include "platform.h" |
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#include "standard.h" |
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#include "cmatrix.h" |
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#include "platform.h" |
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sum_images(const char *fspec, const CMATRIX *cv, FILE *fout) |
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{ |
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int myDT = DTfromHeader; |
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< |
COLOR *scanline = NULL; |
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> |
COLR *scanline = NULL; |
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CMATRIX *pmat = NULL; |
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int myXR=0, myYR=0; |
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int i, y; |
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error(INTERNAL, "expected vector in sum_images()"); |
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for (i = 0; i < cv->nrows; i++) { |
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const COLORV *scv = cv_lval(cv,i); |
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int flat_file = 0; |
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char fname[1024]; |
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FILE *fp; |
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+ |
long data_start; |
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int dt, xr, yr; |
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COLORV *psp; |
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char *err; |
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if (myDT == DTfromHeader) { /* on first one */ |
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myDT = dt; |
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myXR = xr; myYR = yr; |
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< |
scanline = (COLOR *)malloc(sizeof(COLOR)*myXR); |
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> |
scanline = (COLR *)malloc(sizeof(COLR)*myXR); |
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if (scanline == NULL) |
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error(SYSTEM, "out of memory in sum_images()"); |
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pmat = cm_alloc(myYR, myXR); |
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fname); |
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error(USER, errmsg); |
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} |
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+ |
/* flat file check */ |
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if ((data_start = ftell(fp)) > 0 && fseek(fp, 0L, SEEK_END) == 0) { |
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+ |
flat_file = (ftell(fp) == data_start + sizeof(COLR)*xr*yr); |
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+ |
if (fseek(fp, data_start, SEEK_SET) < 0) { |
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+ |
sprintf(errmsg, "cannot seek on picture '%s'", fname); |
80 |
+ |
error(SYSTEM, errmsg); |
81 |
+ |
} |
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+ |
} |
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psp = pmat->cmem; |
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for (y = 0; y < yr; y++) { /* read it in */ |
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+ |
COLOR col; |
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int x; |
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< |
if (freadscan(scanline, xr, fp) < 0) { |
87 |
> |
if (flat_file ? getbinary(scanline, sizeof(COLR), xr, fp) != xr : |
88 |
> |
freadcolrs(scanline, xr, fp) < 0) { |
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sprintf(errmsg, "error reading picture '%s'", |
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fname); |
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error(SYSTEM, errmsg); |
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} |
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/* sum in scanline */ |
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for (x = 0; x < xr; x++, psp += 3) { |
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< |
multcolor(scanline[x], scv); |
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< |
addcolor(psp, scanline[x]); |
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> |
if (!scanline[x][EXP]) |
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> |
continue; /* skip zeroes */ |
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> |
colr_color(col, scanline[x]); |
98 |
> |
multcolor(col, scv); |
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> |
addcolor(psp, col); |
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} |
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} |
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fclose(fp); /* done this picture */ |