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Diffstat (limited to 'site/user/api/SkColor_Reference.md')
| -rw-r--r-- | site/user/api/SkColor_Reference.md | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/site/user/api/SkColor_Reference.md b/site/user/api/SkColor_Reference.md index 7677ebd971..33316148c9 100644 --- a/site/user/api/SkColor_Reference.md +++ b/site/user/api/SkColor_Reference.md @@ -2,6 +2,7 @@ SkColor Reference === # <a name='Color'>Color</a> +Types, consts, functions, and macros for colors. ## Overview @@ -203,7 +204,7 @@ zero, fully transparent, to one, fully opaque. typedef uint8_t <a href='#SkAlpha'>SkAlpha</a>; </pre> -8-bit type for an alpha value. 0xFF is 100% opaque, 0x00 is 100% transparent. +8-bit type for an alpha value. 255 is 100% opaque, zero is 100% transparent. ## <a name='SkColor'>Typedef SkColor</a> @@ -761,8 +762,14 @@ modulo 360, where zero degrees is red. ## <a name='HSV_Saturation'>HSV Saturation</a> +<a href='#HSV_Saturation'>Saturation</a> represents the intensity of the color. <a href='#HSV_Saturation'>Saturation</a> varies from zero, +with no <a href='#HSV_Hue'>Hue</a> contribution; to one, with full <a href='#HSV_Hue'>Hue</a> contribution. + ## <a name='HSV_Value'>HSV Value</a> +<a href='#HSV_Value'>Value</a> represents the lightness of the color. <a href='#HSV_Value'>Value</a> varies from zero, black; to +one, full brightness. + <a name='SkRGBToHSV'></a> ## SkRGBToHSV @@ -771,9 +778,9 @@ void <a href='#SkRGBToHSV'>SkRGBToHSV</a>(<a href='undocumented#U8CPU'>U8CPU</a> </pre> Converts RGB to its <a href='#HSV'>HSV</a> components. -<a href='#SkRGBToHSV_hsv'>hsv</a>[0] contains <a href='#HSV_Hue'>Hue</a>, a value from zero to less than 360. -<a href='#SkRGBToHSV_hsv'>hsv</a>[1] contains <a href='#HSV_Saturation'>Saturation</a>, a value from zero to one. -<a href='#SkRGBToHSV_hsv'>hsv</a>[2] contains <a href='#HSV_Value'>Value</a>, a value from zero to one. +<a href='#SkRGBToHSV_hsv'>hsv</a>[0] contains <a href='#HSV_Hue'>HSV Hue</a>, a value from zero to less than 360. +<a href='#SkRGBToHSV_hsv'>hsv</a>[1] contains <a href='#HSV_Saturation'>HSV Saturation</a>, a value from zero to one. +<a href='#SkRGBToHSV_hsv'>hsv</a>[2] contains <a href='#HSV_Value'>HSV Value</a>, a value from zero to one. ### Parameters @@ -809,9 +816,9 @@ void <a href='#SkColorToHSV'>SkColorToHSV</a>(<a href='#SkColor'>SkColor</a> col </pre> Converts ARGB to its <a href='#HSV'>HSV</a> components. <a href='#Alpha'>Alpha</a> in ARGB is ignored. -<a href='#SkColorToHSV_hsv'>hsv</a>[0] contains <a href='#HSV_Hue'>Hue</a>, and is assigned a value from zero to less than 360. -<a href='#SkColorToHSV_hsv'>hsv</a>[1] contains <a href='#HSV_Saturation'>Saturation</a>, a value from zero to one. -<a href='#SkColorToHSV_hsv'>hsv</a>[2] contains <a href='#HSV_Value'>Value</a>, a value from zero to one. +<a href='#SkColorToHSV_hsv'>hsv</a>[0] contains <a href='#HSV_Hue'>HSV Hue</a>, and is assigned a value from zero to less than 360. +<a href='#SkColorToHSV_hsv'>hsv</a>[1] contains <a href='#HSV_Saturation'>HSV Saturation</a>, a value from zero to one. +<a href='#SkColorToHSV_hsv'>hsv</a>[2] contains <a href='#HSV_Value'>HSV Value</a>, a value from zero to one. ### Parameters @@ -841,9 +848,9 @@ Converts ARGB to its <a href='#HSV'>HSV</a> components. <a href='#Alpha'>Alpha</ </pre> Converts <a href='#HSV'>HSV</a> components to an ARGB color. <a href='#Alpha'>Alpha</a> is passed through unchanged. -<a href='#SkHSVToColor_hsv'>hsv</a>[0] represents <a href='#HSV_Hue'>Hue</a>, an angle from zero to less than 360. -<a href='#SkHSVToColor_hsv'>hsv</a>[1] represents <a href='#HSV_Saturation'>Saturation</a>, and varies from zero to one. -<a href='#SkHSVToColor_hsv'>hsv</a>[2] represents <a href='#HSV_Value'>Value</a>, and varies from zero to one. +<a href='#SkHSVToColor_hsv'>hsv</a>[0] represents <a href='#HSV_Hue'>HSV Hue</a>, an angle from zero to less than 360. +<a href='#SkHSVToColor_hsv'>hsv</a>[1] represents <a href='#HSV_Saturation'>HSV Saturation</a>, and varies from zero to one. +<a href='#SkHSVToColor_hsv'>hsv</a>[2] represents <a href='#HSV_Value'>HSV Value</a>, and varies from zero to one. Out of range <a href='#SkHSVToColor_hsv'>hsv</a> values are pinned. @@ -877,10 +884,10 @@ ARGB equivalent to <a href='#HSV'>HSV</a> <a href='#SkColor'>SkColor</a> <a href='#SkHSVToColor'>SkHSVToColor</a>(const <a href='undocumented#SkScalar'>SkScalar</a> hsv[3]) </pre> -Convert <a href='#HSV'>HSV</a> components to an ARGB color. <a href='#Alpha'>Alpha</a> is set to 0xFF. -<a href='#SkHSVToColor_2_hsv'>hsv</a>[0] represents <a href='#HSV_Hue'>Hue</a>, an angle from zero to less than 360. -<a href='#SkHSVToColor_2_hsv'>hsv</a>[1] represents <a href='#HSV_Saturation'>Saturation</a>, and varies from zero to one. -<a href='#SkHSVToColor_2_hsv'>hsv</a>[2] represents <a href='#HSV_Value'>Value</a>, and varies from zero to one. +Converts <a href='#HSV'>HSV</a> components to an ARGB color. <a href='#Alpha'>Alpha</a> is set to 255. +<a href='#SkHSVToColor_2_hsv'>hsv</a>[0] represents <a href='#HSV_Hue'>HSV Hue</a>, an angle from zero to less than 360. +<a href='#SkHSVToColor_2_hsv'>hsv</a>[1] represents <a href='#HSV_Saturation'>HSV Saturation</a>, and varies from zero to one. +<a href='#SkHSVToColor_2_hsv'>hsv</a>[2] represents <a href='#HSV_Value'>HSV Value</a>, and varies from zero to one. Out of range <a href='#SkHSVToColor_2_hsv'>hsv</a> values are pinned. |