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author | Sebastian Rasmussen <sebras@gmail.com> | 2016-06-28 18:56:01 +0200 |
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committer | Tor Andersson <tor.andersson@artifex.com> | 2016-06-29 11:10:08 +0200 |
commit | 363f51b35f351009c1eabffeee6a410ba1f38e14 (patch) | |
tree | 7b0d9409412959ad20f001dc562980a054364b6c /source/fitz | |
parent | 4ccea9148cd19a699c102e7ccbf96837fff20f59 (diff) | |
download | mupdf-363f51b35f351009c1eabffeee6a410ba1f38e14.tar.xz |
Output only as many components for PAM as exist.
Diffstat (limited to 'source/fitz')
-rw-r--r-- | source/fitz/output-pnm.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/source/fitz/output-pnm.c b/source/fitz/output-pnm.c index 8310de9b..0721c08d 100644 --- a/source/fitz/output-pnm.c +++ b/source/fitz/output-pnm.c @@ -124,6 +124,9 @@ fz_write_pam_header(fz_context *ctx, fz_output *out, int w, int h, int n, int al fz_printf(ctx, out, "HEIGHT %d\n", h); fz_printf(ctx, out, "DEPTH %d\n", n); fz_printf(ctx, out, "MAXVAL 255\n"); + + n -= alpha; + if (n == 1 && !alpha) fz_printf(ctx, out, "TUPLTYPE GRAYSCALE\n"); else if (n == 1 && alpha) fz_printf(ctx, out, "TUPLTYPE GRAYSCALE_ALPHA\n"); else if (n == 3 && !alpha) fz_printf(ctx, out, "TUPLTYPE RGB\n"); @@ -142,7 +145,6 @@ fz_write_pam_band(fz_context *ctx, fz_output *out, int w, int h, int n, int alph if (!out) return; - n += alpha; if (end > h) end = h; end -= band_start; |