diff options
Diffstat (limited to 'converter')
| -rw-r--r-- | converter/other/pnmtopng.c | 2 | ||||
| -rw-r--r-- | converter/ppm/ilbmtoppm.c | 18 | ||||
| -rw-r--r-- | converter/ppm/picttoppm.c | 2 | ||||
| -rw-r--r-- | converter/ppm/ppmtoilbm.c | 24 |
4 files changed, 24 insertions, 22 deletions
diff --git a/converter/other/pnmtopng.c b/converter/other/pnmtopng.c index 1b806cca..72177507 100644 --- a/converter/other/pnmtopng.c +++ b/converter/other/pnmtopng.c @@ -2014,7 +2014,7 @@ createPngPalette(pixel palette_pnm[], for (i = 0; i < transSize; ++i) { unsigned int const newmv = PALETTEMAXVAL; unsigned int const oldmv = alpha_maxval; - trans[i] = (trans_pnm[i] * newmv + (oldmv/2)) / oldmv; + trans[i] = ROUNDDIV(trans_pnm[i] * newmv, oldmv); } } diff --git a/converter/ppm/ilbmtoppm.c b/converter/ppm/ilbmtoppm.c index f9f9bac3..8bb72662 100644 --- a/converter/ppm/ilbmtoppm.c +++ b/converter/ppm/ilbmtoppm.c @@ -1252,7 +1252,7 @@ dcol_to_ppm(FILE * const ifP, unsigned int const greenplanes = dcol->g; unsigned int const blueplanes = dcol->b; - int col, row, i; + int col, row; rawtype *Rrow, *Grow, *Brow; pixval maxval, redmaxval, greenmaxval, bluemaxval; pixval *redtable, *greentable, *bluetable; @@ -1298,13 +1298,15 @@ dcol_to_ppm(FILE * const ifP, MALLOCARRAY_NOFAIL(greentable, greenmaxval +1); MALLOCARRAY_NOFAIL(bluetable, bluemaxval +1); - for( i = 0; i <= redmaxval; i++ ) - redtable[i] = (i * maxval + redmaxval/2)/redmaxval; - for( i = 0; i <= greenmaxval; i++ ) - greentable[i] = (i * maxval + greenmaxval/2)/greenmaxval; - for( i = 0; i <= bluemaxval; i++ ) - bluetable[i] = (i * maxval + bluemaxval/2)/bluemaxval; - + { + unsigned int i; + for (i = 0; i <= redmaxval; ++i) + redtable[i] = ROUNDDIV(i * maxval, redmaxval); + for (i = 0; i <= greenmaxval; ++i) + greentable[i] = ROUNDDIV(i * maxval, greenmaxval); + for (i = 0; i <= bluemaxval; ++i) + bluetable[i] = ROUNDDIV(i * maxval, bluemaxval); + } if( transpName ) { MALLOCVAR_NOFAIL(transpColor); *transpColor = ppm_parsecolor(transpName, maxval); diff --git a/converter/ppm/picttoppm.c b/converter/ppm/picttoppm.c index 079f07ca..02f2afec 100644 --- a/converter/ppm/picttoppm.c +++ b/converter/ppm/picttoppm.c @@ -1112,7 +1112,7 @@ static pixval redepth(pixval const c, pixval const oldMaxval) { - return (c * PPM_MAXMAXVAL + oldMaxval / 2) / oldMaxval; + return ROUNDDIV(c * PPM_MAXMAXVAL, oldMaxval); } diff --git a/converter/ppm/ppmtoilbm.c b/converter/ppm/ppmtoilbm.c index c0d58edb..4a1b5cb7 100644 --- a/converter/ppm/ppmtoilbm.c +++ b/converter/ppm/ppmtoilbm.c @@ -433,14 +433,14 @@ compute_ham_cmap(cols, rows, maxval, maxcolors, colorsP, hbits) tmp = hmap[i].b - b; dist += tmp * tmp; if( dist <= maxdist ) { - int sum = hmap[i].count + hmap[col].count; - - hmap[i].r = (hmap[i].r * hmap[i].count + - r * hmap[col].count + sum/2)/sum; - hmap[i].g = (hmap[i].g * hmap[i].count + - g * hmap[col].count + sum/2)/sum; - hmap[i].b = (hmap[i].b * hmap[i].count + - b * hmap[col].count + sum/2)/sum; + unsigned int sum = hmap[i].count + hmap[col].count; + + hmap[i].r = ROUNDDIV(hmap[i].r * hmap[i].count + + r * hmap[col].count, sum); + hmap[i].g = ROUNDDIV(hmap[i].g * hmap[i].count + + g * hmap[col].count, sum); + hmap[i].b = ROUNDDIV(hmap[i].b * hmap[i].count + + b * hmap[col].count, sum); hmap[i].count = sum; hmap[col] = hmap[i]; /* temp store */ @@ -1776,12 +1776,12 @@ static int * make_val_table(oldmaxval, newmaxval) int oldmaxval, newmaxval; { - int i; - int *table; + unsigned int i; + int * table; MALLOCARRAY_NOFAIL(table, oldmaxval + 1); - for(i = 0; i <= oldmaxval; i++ ) - table[i] = (i * newmaxval + oldmaxval/2) / oldmaxval; + for (i = 0; i <= oldmaxval; ++i) + table[i] = ROUNDDIV(i * newmaxval, oldmaxval); return table; } |