diff options
Diffstat (limited to 'source/blender/src/seqeffects.c')
| -rw-r--r-- | source/blender/src/seqeffects.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/source/blender/src/seqeffects.c b/source/blender/src/seqeffects.c index 1dad24b10dc..63069eb425d 100644 --- a/source/blender/src/seqeffects.c +++ b/source/blender/src/seqeffects.c @@ -795,9 +795,9 @@ static float gamma_range_table[RE_GAMMA_TABLE_SIZE + 1]; static float gamfactor_table[RE_GAMMA_TABLE_SIZE]; static float inv_gamma_range_table[RE_GAMMA_TABLE_SIZE + 1]; static float inv_gamfactor_table[RE_GAMMA_TABLE_SIZE]; -static float colour_domain_table[RE_GAMMA_TABLE_SIZE + 1]; -static float colour_step; -static float inv_colour_step; +static float color_domain_table[RE_GAMMA_TABLE_SIZE + 1]; +static float color_step; +static float inv_color_step; static float valid_gamma; static float valid_inv_gamma; @@ -808,15 +808,15 @@ static void makeGammaTables(float gamma) valid_gamma = gamma; valid_inv_gamma = 1.0 / gamma; - colour_step = 1.0 / RE_GAMMA_TABLE_SIZE; - inv_colour_step = (float) RE_GAMMA_TABLE_SIZE; + color_step = 1.0 / RE_GAMMA_TABLE_SIZE; + inv_color_step = (float) RE_GAMMA_TABLE_SIZE; /* We could squeeze out the two range tables to gain some memory. */ for (i = 0; i < RE_GAMMA_TABLE_SIZE; i++) { - colour_domain_table[i] = i * colour_step; - gamma_range_table[i] = pow(colour_domain_table[i], + color_domain_table[i] = i * color_step; + gamma_range_table[i] = pow(color_domain_table[i], valid_gamma); - inv_gamma_range_table[i] = pow(colour_domain_table[i], + inv_gamma_range_table[i] = pow(color_domain_table[i], valid_inv_gamma); } @@ -824,16 +824,16 @@ static void makeGammaTables(float gamma) /* rounding errors, we just set this explicitly. The last segment may */ /* have a different lenght than the other segments, but our */ /* interpolation is insensitive to that. */ - colour_domain_table[RE_GAMMA_TABLE_SIZE] = 1.0; + color_domain_table[RE_GAMMA_TABLE_SIZE] = 1.0; gamma_range_table[RE_GAMMA_TABLE_SIZE] = 1.0; inv_gamma_range_table[RE_GAMMA_TABLE_SIZE] = 1.0; /* To speed up calculations, we make these calc factor tables. They are */ /* multiplication factors used in scaling the interpolation. */ for (i = 0; i < RE_GAMMA_TABLE_SIZE; i++ ) { - gamfactor_table[i] = inv_colour_step + gamfactor_table[i] = inv_color_step * (gamma_range_table[i + 1] - gamma_range_table[i]) ; - inv_gamfactor_table[i] = inv_colour_step + inv_gamfactor_table[i] = inv_color_step * (inv_gamma_range_table[i + 1] - inv_gamma_range_table[i]) ; } @@ -845,15 +845,15 @@ static float gammaCorrect(float c) int i; float res = 0.0; - i = floor(c * inv_colour_step); + i = floor(c * inv_color_step); /* Clip to range [0,1]: outside, just do the complete calculation. */ /* We may have some performance problems here. Stretching up the LUT */ /* may help solve that, by exchanging LUT size for the interpolation. */ - /* Negative colours are explicitly handled. */ + /* Negative colors are explicitly handled. */ if (i < 0) res = -pow(abs(c), valid_gamma); else if (i >= RE_GAMMA_TABLE_SIZE ) res = pow(c, valid_gamma); else res = gamma_range_table[i] + - ( (c - colour_domain_table[i]) * gamfactor_table[i]); + ( (c - color_domain_table[i]) * gamfactor_table[i]); return res; } /* end of float gammaCorrect(float col) */ @@ -865,12 +865,12 @@ static float invGammaCorrect(float col) int i; float res = 0.0; - i = floor(col*inv_colour_step); - /* Negative colours are explicitly handled. */ + i = floor(col*inv_color_step); + /* Negative colors are explicitly handled. */ if (i < 0) res = -pow(abs(col), valid_inv_gamma); else if (i >= RE_GAMMA_TABLE_SIZE) res = pow(col, valid_inv_gamma); else res = inv_gamma_range_table[i] + - ( (col - colour_domain_table[i]) * inv_gamfactor_table[i]); + ( (col - color_domain_table[i]) * inv_gamfactor_table[i]); return res; } /* end of float invGammaCorrect(float col) */ |