[css-color-4] change image-p3 to display-p3 for #4056

Author: svgeesus

css-color-4/Overview.bs

@@ -1803,7 +1803,7 @@ Profiled, Device-dependent Colors</h2>
 	or an RGB colorspace (such as ProPhoto <!-- ref -->, <!-- would be good to mention AdobeRGB 1998 here too, need to check trademark and copyright status first --> widely used by photographers), or any other color or monochrome output device which has been characterized.
 	In addition, for convenience,
 	CSS provides several <!-- more than 2 now, update text!! --> -->predefined RGB color spaces:
-	image-p3 [[!DCI-P3]],
+	display-p3 [[!DCI-P3]],
 	which is a wide gamut space typical of current wide-gamut monitors,
 	and Rec. 2020 [[!Rec.2020]],
 	which is a ultra-wide gamut space capable of representing almost all visible real-world colors.
@@ -1815,7 +1815,7 @@ Profiled, Device-dependent Colors</h2>
 		for a standard SWOP-coated CMYK press,
 		for a wide-gamut seven-ink printer,
 		for ProPhoto RGB,
-		and for the image-p3 standard RGB space.
+		and for the display-p3 standard RGB space.
 		In each case, the numerical parameters
 		are in the range 0.0 to 1.0
 		(rather than, for example, 0 to 255).
@@ -1824,7 +1824,7 @@ Profiled, Device-dependent Colors</h2>
 			color: color(swopc 0.0134 0.8078 0.7451 0.3019);
 			color: color(indigo 0.0941 0.6274 0.3372 0.1647 0 0.0706 0.1216);
 			color: color(prophoto 0.9137 0.5882 0.4784);
-			color: color(image-p3 0.3804 0.9921 0.1412);
+			color: color(display-p3 0.3804 0.9921 0.1412);
 		</pre>
 
 		All but the predefined colorspace example
@@ -1862,7 +1862,7 @@ Profiled, Device-dependent Colors</h2>
 
 	* An optional <<ident>> denoting the colorspace.
 		This can be one of the predefined colorspaces
-		(such as ''image-p3''),
+		(such as ''display-p3''),
 		or one defined by a ''@color-profile'' rule.
 		If omitted, it defaults to the predefined ''srgb'' color profile.
 
@@ -1910,7 +1910,7 @@ Profiled, Device-dependent Colors</h2>
 	''color()'' represents <a>opaque black</a>.
 
 <h3 id="predefined">
-Predefined colorspaces: ''srgb'', ''image-p3'', ''a98rgb'', ''prophotorgb'' and ''rec2020''.</h3>
+Predefined colorspaces: ''srgb'', ''display-p3'', ''a98rgb'', ''prophotorgb'' and ''rec2020''.</h3>
 
 	The following colorspaces are predefined for use in the ''color()'' function.
 	They can be used without any ''@color-profile'' rule.
@@ -1954,9 +1954,9 @@ Predefined colorspaces: ''srgb'', ''image-p3'', ''a98rgb'', ''prophotorgb'' and
 			</pre>
 			C is the red, green or blue component.
 
-		<dt><dfn>image-p3</dfn>
+		<dt><dfn>display-p3</dfn>
 		<dd>
-			The ''image-p3'' colorspace accepts three numeric parameters,
+			The ''display-p3'' colorspace accepts three numeric parameters,
 			representing the red, green, and blue channels of the color,
 			with each having a valid range of [0, 1].
 			It uses the same primary chromaticities as [[!DCI-P3]],
@@ -2075,7 +2075,7 @@ Converting predefined colorspaces to Lab</h4>
 	<ol>
 		<li>Convert from gamma-corrected RGB to linear-light RGB (undo gamma encoding)
 		<li>Convert from linear RGB to CIE XYZ
-		<li>Convert from a D65 whitepoint (used by both image-p3 and rec2020) to the D50 whitepoint used in Lab,
+		<li>Convert from a D65 whitepoint (used by both display-p3 and rec2020) to the D50 whitepoint used in Lab,
 			with the Bradford transform
 		<li>Convert D50-adapted XYZ to Lab
 	</ol>
@@ -2084,7 +2084,7 @@ Converting predefined colorspaces to Lab</h4>
 <h4 id="lab-to-predefined">
 Converting Lab to predefined colorspaces</h4>
 
-	Conversion from Lab to image-p3 or rec2020 also requires multiple steps,
+	Conversion from Lab to display-p3 or rec2020 also requires multiple steps,
 	and again in practice all but the last step are linear calculations and can be combined.
 
 	<ol>
@@ -2113,7 +2113,7 @@ Specifying a color profile: the ''@color-profile'' at-rule</h3>
 
 	The <<custom-ident>> gives the <a>color profile's</a> name.
 	All of the predefined colorspace keywords
-	(''srgb'', ''image-p3'', ''a98rgb'', ''prophotorgb'', ''rec2020'')
+	(''srgb'', ''display-p3'', ''a98rgb'', ''prophotorgb'', ''rec2020'')
 	are excluded from this <<custom-ident>>,
 	as they're predefined by this specification and always available.
 
@@ -2473,21 +2473,21 @@ Default Style Rules</h2>
 
 
 	function lin_P3(RGB) {
-		// convert an array of image-p3 RGB values in the range 0.0 - 1.0
+		// convert an array of display-p3 RGB values in the range 0.0 - 1.0
 		// to linear light (un-companded) form.
 
 		return lin_sRGB(RGB);	// same as sRGB
 	}
 
 	function gam_P3(RGB) {
-		// convert an array of linear-light image-p3 RGB  in the range 0.0-1.0
+		// convert an array of linear-light display-p3 RGB  in the range 0.0-1.0
 		// to gamma corrected form
 
 		return gam_sRGB(RGB);	// same as sRGB
 	}
 
 	function lin_P3_to_XYZ(rgb) {
-		// convert an array of linear-light image-p3 values to CIE XYZ
+		// convert an array of linear-light display-p3 values to CIE XYZ
 		// using  D65 (no chromatic adaptation)
 		// http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html
 		var M = math.matrix([
@@ -2896,8 +2896,8 @@ Changes</h2>
 	<li>Clarify allowed range of L in LCH and Lab, and meaning of L=100</li>
 	<li>Update references for colorspaces used in video</li>
 	<li>Add ProPhotoRGB predefined colorspace</li>
-	<li>Correct black and white luminance levels for image-p3</li>
-	<li>Clarify image-p3 transfer function</li>
+	<li>Correct black and white luminance levels for display-p3</li>
+	<li>Clarify display-p3 transfer function</li>
 	<li>Add a98rgb colorspace</li>
 	<li>Clarify that currentColor's computed value is not the resolved color</li>
 	<li>Update syntax is examples to conform to latest specification</li>
@@ -2911,7 +2911,7 @@ Changes</h2>
 	<li>Simplify conversion from device-cmyk to sRGB</li>
 	<li>Describe previous, comma-using color syntaxes as "legacy"; change examples to commaless form</li>
 	<li>Remove superfluous requirement that displayed colors be restricted to device gamut (like there was any other option!)</li>
-	<li>Rename P3 to image-p3; avoid claiming this is DCI P3, as these are not the same</li>
+	<li>Rename P3 to display-p3; avoid claiming this is DCI P3, as these are not the same</li>
 	<li>Improved description of the parameters to the "color()" function</li>
 	<li>Disallow predefined spaces from "@color-profile" identifier</li>
 	<li>Add canonical order to "color", "color-adjust" and "opacity" property definitions</li>