webp-container-spec: move terms from intro section

to 'Terminology & Basics'

Change-Id: Iec9923086a2d339f12025c55da53b1e8a6919380
This commit is contained in:
James Zern 2023-07-27 16:18:57 -07:00
parent dd88d2ff3e
commit 0a2cad5115

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@ -47,22 +47,22 @@ support for the following:
* Animation: An image may have multiple frames with pauses between them, * Animation: An image may have multiple frames with pauses between them,
making it an animation. making it an animation.
Terminology & Basics
--------------------
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD",
"SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and "OPTIONAL" in this "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in BCP 14 [RFC 2119][] [RFC 8174][] document are to be interpreted as described in BCP 14 [RFC 2119][] [RFC 8174][]
when, and only when, they appear in all capitals, as shown here. when, and only when, they appear in all capitals, as shown here.
Bit numbering in chunk diagrams starts at `0` for the most significant bit
('MSB 0'), as described in [RFC 1166][].
Terminology & Basics
--------------------
A WebP file contains either a still image (that is, an encoded matrix of pixels) A WebP file contains either a still image (that is, an encoded matrix of pixels)
or an [animation](#animation). Optionally, it can also contain transparency or an [animation](#animation). Optionally, it can also contain transparency
information, a color profile and metadata. We refer to the matrix of pixels as information, a color profile and metadata. We refer to the matrix of pixels as
the _canvas_ of the image. the _canvas_ of the image.
Bit numbering in chunk diagrams starts at `0` for the most significant bit
('MSB 0'), as described in [RFC 1166][].
Below are additional terms used throughout this document: Below are additional terms used throughout this document:
_Reader/Writer_ _Reader/Writer_