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implement ncplane_content() #582

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nick black 2020-05-08 20:35:42 -04:00 committed by Nick Black
parent e15055034e
commit d161e2eeb3
1 changed files with 27 additions and 3 deletions
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30
src/lib/notcurses.c
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@ -2053,8 +2053,32 @@ char* ncplane_contents(const ncplane* nc, int begy, int begx, int leny, int lenx
if(begx + lenx > nc->lenx || begy + leny > nc->leny){
return NULL;
}
char* ret = malloc(lenx * leny + 1); // allow a bit of oversize
// FIXME traverse that fucker
ret[lenx * leny] = '\0';
size_t retlen = 1;
char* ret = malloc(retlen);
if(ret){
for(int y = begy, targy = 0 ; y < begy + leny ; ++y, targy += 2){
for(int x = begx, targx = 0 ; x < begx + lenx ; ++x, ++targx){
uint32_t attrword;
uint64_t channels;
char* c = ncplane_at_yx(nc, y, x, &attrword, &channels);
if(!c){
free(ret);
return NULL;
}
size_t clen = strlen(c);
if(clen){
char* tmp = realloc(ret, retlen + clen);
if(!tmp){
free(ret);
return NULL;
}
tmp = ret;
memcpy(ret + retlen - 1, c, clen);
retlen += clen;
}
}
}
ret[retlen - 1] = '\0';
}
return ret;
}