Mercurial > hg > openttd
changeset 4019:d6cfec2cda04 draft
(svn r5249) - Add code to copy the palette to a temporary byte aligned array when making a PCX screenshot, if the palette array is not byte aligned.
author | peter1138 <peter1138@openttd.org> |
---|---|
date | Tue, 13 Jun 2006 17:13:46 +0000 |
parents | 1d6387c126ff |
children | 596e12f5d774 |
files | screenshot.c |
diffstat | 1 files changed, 16 insertions(+), 5 deletions(-) [+] |
line wrap: on
line diff
--- a/screenshot.c +++ b/screenshot.c @@ -285,6 +285,7 @@ uint maxlines; uint y; PcxHeader pcx; + bool success; if (pixelformat != 8 || w == 0) return false; @@ -388,14 +389,24 @@ return false; } - {assert_compile(sizeof(*palette) == 3);} - if (fwrite(palette, 256 * sizeof(*palette), 1, f) != 1) { - fclose(f); - return false; + if (sizeof(*palette) == 3) { + success = fwrite(palette, 256 * sizeof(*palette), 1, f) == 1; + } else { + /* If the palette is word-aligned, copy it to a temporary byte array */ + byte *tmp = malloc(256 * 3); + uint i; + for (i = 0; i < 256; i++) { + tmp[i * 3 + 0] = palette[i].r; + tmp[i * 3 + 1] = palette[i].g; + tmp[i * 3 + 2] = palette[i].b; + } + success = fwrite(tmp, 256 * 3, 1, f) == 1; + free(tmp); } + fclose(f); - return true; + return success; } //************************************************