sergiotarxz/libvips
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stuff

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This commit is contained in:
John Cupitt 2009-12-09 14:55:22 +00:00
parent 5068ce69dd
commit 93323c44bb
1 changed files with 0 additions and 24 deletions
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libvips/include/vips/disp.h
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@ -75,30 +75,6 @@ struct im_col_display {
float d_P; /* 'Picture' (like contrast) */ float d_P; /* 'Picture' (like contrast) */
}; };
/* Structure for holding the lookup tables for XYZ<=>rgb conversion.
* Also holds the luminance to XYZ matrix and the inverse one.
*/
struct im_col_tab_disp {
/* All private.
*/
/*< private >*/
float t_Yr2r[1501]; /* Conversion of Yr to r */
float t_Yg2g[1501]; /* Conversion of Yg to g */
float t_Yb2b[1501]; /* Conversion of Yb to b */
float t_r2Yr[1501]; /* Conversion of r to Yr */
float t_g2Yg[1501]; /* Conversion of g to Yg */
float t_b2Yb[1501]; /* Conversion of b to Yb */
float mat_XYZ2lum[3][3]; /* XYZ to Yr, Yg, Yb matrix */
float mat_lum2XYZ[3][3]; /* Yr, Yg, Yb to XYZ matrix */
float rstep, gstep, bstep;
float ristep, gistep, bistep;
};
struct im_col_tab_disp *im_col_make_tables_RGB(
IMAGE *im,
struct im_col_display *d );
struct im_col_tab_disp *im_col_display_get_table( struct im_col_display *d );
int im_col_rgb2XYZ( struct im_col_display *d, int im_col_rgb2XYZ( struct im_col_display *d,
int r, int g, int b, int r, int g, int b,
float *X, float *Y, float *Z ); float *X, float *Y, float *Z );