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Added function ttob.

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This commit is contained in:
Sjoerd Mullender 1993-12-24 14:51:14 +00:00
parent 627b2d7cd7
commit 0d2d397bc5
1 changed files with 41 additions and 4 deletions
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37
Modules/rgbimgmodule.c
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@ -96,6 +96,8 @@ static lumrow PROTO((unsigned char *, unsigned char *, int));
static object *ImgfileError; static object *ImgfileError;
static int reverse_order;
#ifdef ADD_TAGS #ifdef ADD_TAGS
/* /*
* addlongimgtag - * addlongimgtag -
@ -339,6 +341,8 @@ longimagedata(self, args)
if(badorder) { if(badorder) {
for(z=0; z<zsize; z++) { for(z=0; z<zsize; z++) {
lptr = base; lptr = base;
if (reverse_order)
lptr += (ysize - 1) * xsize * sizeof(unsigned long);
for(y=0; y<ysize; y++) { for(y=0; y<ysize; y++) {
if(cur != starttab[y+z*ysize]) { if(cur != starttab[y+z*ysize]) {
fseek(inf,starttab[y+z*ysize],SEEK_SET); fseek(inf,starttab[y+z*ysize],SEEK_SET);
@ -356,11 +360,16 @@ longimagedata(self, args)
fread(rledat,lengthtab[y+z*ysize],1,inf); fread(rledat,lengthtab[y+z*ysize],1,inf);
cur += lengthtab[y+z*ysize]; cur += lengthtab[y+z*ysize];
expandrow(lptr,rledat,3-z); expandrow(lptr,rledat,3-z);
if (reverse_order)
lptr -= xsize * sizeof(unsigned long);
else
lptr += xsize * sizeof(unsigned long); lptr += xsize * sizeof(unsigned long);
} }
} }
} else { } else {
lptr = base; lptr = base;
if (reverse_order)
lptr += (ysize - 1) * xsize * sizeof(unsigned long);
for(y=0; y<ysize; y++) { for(y=0; y<ysize; y++) {
for(z=0; z<zsize; z++) { for(z=0; z<zsize; z++) {
if(cur != starttab[y+z*ysize]) { if(cur != starttab[y+z*ysize]) {
@ -371,6 +380,9 @@ longimagedata(self, args)
cur += lengthtab[y+z*ysize]; cur += lengthtab[y+z*ysize];
expandrow(lptr,rledat,3-z); expandrow(lptr,rledat,3-z);
} }
if (reverse_order)
lptr -= xsize * sizeof(unsigned long);
else
lptr += xsize * sizeof(unsigned long); lptr += xsize * sizeof(unsigned long);
} }
} }
@ -398,9 +410,14 @@ longimagedata(self, args)
fseek(inf,512,SEEK_SET); fseek(inf,512,SEEK_SET);
for(z=0; z<zsize; z++) { for(z=0; z<zsize; z++) {
lptr = base; lptr = base;
if (reverse_order)
lptr += (ysize - 1) * xsize * sizeof(unsigned long);
for(y=0; y<ysize; y++) { for(y=0; y<ysize; y++) {
fread(verdat,xsize,1,inf); fread(verdat,xsize,1,inf);
interleaverow(lptr,verdat,3-z,xsize); interleaverow(lptr,verdat,3-z,xsize);
if (reverse_order)
lptr -= xsize * sizeof(unsigned long);
else
lptr += xsize * sizeof(unsigned long); lptr += xsize * sizeof(unsigned long);
} }
} }
@ -579,6 +596,8 @@ longstoimage(self, args)
goodwrite *= writeheader(outf,&image); goodwrite *= writeheader(outf,&image);
fseek(outf,512+2*tablen,SEEK_SET); fseek(outf,512+2*tablen,SEEK_SET);
pos = 512+2*tablen; pos = 512+2*tablen;
if (reverse_order)
lptr += (ysize - 1) * xsize * sizeof(unsigned long);
for(y=0; y<ysize; y++) { for(y=0; y<ysize; y++) {
for(z=0; z<zsize; z++) { for(z=0; z<zsize; z++) {
if(zsize == 1) { if(zsize == 1) {
@ -601,6 +620,9 @@ longstoimage(self, args)
lengthtab[y+z*ysize] = len; lengthtab[y+z*ysize] = len;
pos += len; pos += len;
} }
if (reverse_order)
lptr -= xsize * sizeof(unsigned long);
else
lptr += xsize * sizeof(unsigned long); lptr += xsize * sizeof(unsigned long);
} }
@ -694,10 +716,25 @@ int z, cnt;
return optr - (unsigned char *)rlebuf; return optr - (unsigned char *)rlebuf;
} }
static object *
ttob(self, args)
object *self;
object *args;
{
int order, oldorder;
if (!getargs(args, "d", &order))
return NULL;
oldorder = reverse_order;
reverse_order = order;
return newintobject(oldorder);
}
static struct methodlist rgbimg_methods[] = { static struct methodlist rgbimg_methods[] = {
{"sizeofimage", sizeofimage}, {"sizeofimage", sizeofimage},
{"longimagedata", longimagedata}, {"longimagedata", longimagedata},
{"longstoimage", longstoimage}, {"longstoimage", longstoimage},
{"ttob", ttob},
{NULL, NULL} /* sentinel */ {NULL, NULL} /* sentinel */
}; };