diff options
Diffstat (limited to 'converter/other/pnmtopalm/palm.h')
| -rw-r--r-- | converter/other/pnmtopalm/palm.h | 30 |
1 files changed, 13 insertions, 17 deletions
diff --git a/converter/other/pnmtopalm/palm.h b/converter/other/pnmtopalm/palm.h index 718a66cf..0edf9a28 100644 --- a/converter/other/pnmtopalm/palm.h +++ b/converter/other/pnmtopalm/palm.h @@ -28,9 +28,18 @@ #define PALM_FORMAT_565LE 0x02 /* Palm says internal use only */ #define PALM_FORMAT_INDEXEDLE 0x03 /* Palm says internal use only */ -typedef unsigned long Color_s; +typedef unsigned long ColormapEntry; + /* A entry in a Colormap. It is an encoding of 4 bytes as the integer + that those 4 bytes would represent in pure binary: -typedef Color_s * Color; + MSB 0: the color index + 1: red intensity + 2: green intensity + LSB 3: blue intensity + + The intensities are on a scale with a certain maxval (that must be + specified to interpret a ColormapEntry). + */ typedef struct { unsigned int nentries; @@ -39,24 +48,11 @@ typedef struct { /* number of colors actually in 'color_entries' -- entries are filled from 0 consecutively, one color per entry. */ - Color_s * color_entries; /* Array of colors */ -} Colormap_s; - -typedef Colormap_s * Colormap; + ColormapEntry * color_entries; /* Array of colors */ +} Colormap; qsort_comparison_fn palmcolor_compare_indices; qsort_comparison_fn palmcolor_compare_colors; -Colormap -palmcolor_build_custom_8bit_colormap(unsigned int const rows, - unsigned int const cols, - pixel ** const pixels); - -Colormap -palmcolor_build_default_8bit_colormap(void); - -Colormap -palmcolor_read_colormap (FILE * const ifP); - #endif |