update docs for scRGB
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John Cupitt
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@ -64,7 +64,8 @@
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*
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* The colour functions can be divided into three main groups. First,
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* functions to transform images between the different colour spaces supported
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* by VIPS: <emphasis>RGB</emphasis>, <emphasis>sRGB</emphasis>,
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||||
* <emphasis>scRGB</emphasis>,
|
||||
* <emphasis>XYZ</emphasis>, <emphasis>Yxy</emphasis>,
|
||||
* <emphasis>Lab</emphasis>, <emphasis>LabQ</emphasis>,
|
||||
* <emphasis>LabS</emphasis>, <emphasis>LCh</emphasis> and
|
||||
|
|
@ -77,7 +78,9 @@
|
|||
*
|
||||
* This figure shows how the VIPS colour spaces interconvert:
|
||||
*
|
||||
* <inlinegraphic fileref="interconvert.png" format="PNG" />
|
||||
* <para>
|
||||
* <inlinegraphic fileref="interconvert.png" format="PNG" />
|
||||
* </para>
|
||||
*
|
||||
* The colour spaces supported by VIPS are:
|
||||
*
|
||||
|
|
@ -135,9 +138,10 @@
|
|||
* image.
|
||||
* </para>
|
||||
* </listitem>
|
||||
*
|
||||
* <listitem>
|
||||
* <para>
|
||||
* <emphasis><code>RGB</code> / <code>sRGB</code></emphasis>
|
||||
* <emphasis><code>sRGB</code></emphasis>
|
||||
*
|
||||
* VIPS converts XYZ to and from sRGB using the usual formula:
|
||||
*
|
||||
|
|
@ -149,6 +153,16 @@
|
|||
* </listitem>
|
||||
* <listitem>
|
||||
* <para>
|
||||
* <emphasis><code>scRGB</code></emphasis>
|
||||
*
|
||||
* scRGB is sRGB bit with linear primaries. It uses floats in the range
|
||||
* 0 - 1. It's convenient if you need a linear colourspace but don't
|
||||
* care too much what the primaries are.
|
||||
* </para>
|
||||
* </listitem>
|
||||
*
|
||||
* <listitem>
|
||||
* <para>
|
||||
* <emphasis><code>LCh</code></emphasis>
|
||||
*
|
||||
* Like <code>Lab</code>, but rectangular <code>ab</code> coordinates
|
||||
|
|
|
|||
Loading…
Reference in New Issue