diff options
Diffstat (limited to '')
| -rw-r--r-- | info/blueshift.texinfo | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/info/blueshift.texinfo b/info/blueshift.texinfo index c5c84f1..877410d 100644 --- a/info/blueshift.texinfo +++ b/info/blueshift.texinfo @@ -281,6 +281,10 @@ Adjusts the contrast to @code{rgb}. This function assumes the black is 0, and white is 1, so you should apply this before brightness. +Note: This does not correspond to the contrast +on monitors control panels used to calibrate +the white point. + @item rgb_contrast(r, g, b) Adjusts the contrast to @code{r}, @code{g} and @code{b} on the red, green and blue curves, @@ -288,6 +292,10 @@ respectively. This function assumes the black is 0, and white is 1, so you should apply this before brightness. +Note: This does not correspond to the contrast +on monitors control panels used to calibrate +the white point. + @item cie_contrast(y) Adjusts the contrast to @code{y}. The function calculate the values by using @@ -296,20 +304,45 @@ colour space. This function assumes the black is 0, and white is 1, so you should apply this before brightness. +Note: This does not correspond to the contrast +on monitors control panels used to calibrate +the white point. + @item rgb_brightness(rgb) Adjusts the brightness to @code{rgb}. +Note: This does not correspond to the contrast +on monitors control panels used to calibrate +the white point. + +Note: This does not correspond to the brightness +on monitors control panels used to calibrate +the black point point, rather it corresponds +to the contrast on monitors control panels +used to calibrate white point. @item rgb_brightness(r, g, b) Adjusts the brightness to @code{r}, @code{g} and @code{b} on the red, green and blue curves, respectively. +Note: This does not correspond to the brightness +on monitors control panels used to calibrate +the black point point, rather it corresponds +to the contrast on monitors control panels +used to calibrate white point. + @item cie_brightness(y) Adjusts the brightness to @code{y}. The function calculate the values by using the CIE xyY colour space instead of the sRGB colour space. +Note: This does not correspond to the brightness +on monitors control panels used to calibrate +the black point point, rather it corresponds +to the contrast on monitors control panels +used to calibrate white point. + @item linearise() Converts the colour curves from sRGB to linear RGB. sRGB is the default colour space. @@ -374,6 +407,12 @@ respectively. Changes the black point to @code{rgb_min}, and the white point to @code{rgb_max}. +@code{rgb_min} corresponds to the brightness +on monitor control panels used to calibrate the +black point. @code{rgb_max} corresponds to the +contrast on monitor control panels used to +calibrate the white point. + @item rgb_limits(r_min, r_max, g_min, g_max, b_min, b_max) Changes the black point to (@code{r_min}, @code{g_min}, @code{b_min}), and the white |