diff options
Diffstat (limited to 'editor/pgmdeshadow.c')
| -rw-r--r-- | editor/pgmdeshadow.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/editor/pgmdeshadow.c b/editor/pgmdeshadow.c index 2c3a90f8..42f94254 100644 --- a/editor/pgmdeshadow.c +++ b/editor/pgmdeshadow.c @@ -117,7 +117,7 @@ initializeDeshadowMarker(gray ** const inputPixels, -----------------------------------------------------------------------------*/ { /* Make middle white */ unsigned int row; - + for (row = 1; row < rows-1; ++row) { unsigned int col; for (col = 1; col < cols-1; ++col) @@ -154,7 +154,7 @@ min5(gray const a, gray const c, gray const d, gray const e) { - + return MIN(a,MIN(b,MIN(c,MIN(d,e)))); } @@ -229,16 +229,16 @@ estimateBackground(gray ** const inputPixels, stable = FALSE; } else markerPixels[row][col] = inputPixels[row][col]; - } + } } /* scan in anti-raster order */ - + for (row = rows-2; row >= 0; --row) { int col; for (col = cols-2; col > 0; --col) { gray const minpixel = minSouthwestPixel(markerPixels, col, row); - + if (minpixel > inputPixels[row][col]) { markerPixels[row][col] = minpixel; stable = FALSE; @@ -285,7 +285,7 @@ divide(gray ** const dividendPixels, quotient = MIN(maxval, maxval * (dividend + dividend/2) / divisor); - } + } dividendPixels[row][col] = quotient; } } @@ -307,9 +307,9 @@ deshadow(gray ** const inputPixels, markerPixels = pgm_allocarray(cols, rows); initializeDeshadowMarker(inputPixels, markerPixels, cols, rows, maxval); - + estimateBackground(inputPixels, markerPixels, cols, rows, maxval); - + divide(inputPixels, markerPixels, cols, rows, maxval); pgm_freearray(markerPixels, rows); @@ -331,12 +331,12 @@ main(int argc, char* argv[]) { parseCommandLine(argc, argv, &cmdline); ifP = pm_openr(cmdline.inputFileName); - + pixels = pgm_readpgm(ifP, &cols, &rows, &maxval); pm_close(ifP); - + deshadow(pixels, cols, rows, maxval); - + pgm_writepgm(stdout, pixels, cols, rows, maxval, 0); pgm_freearray(pixels, rows); |