Jon Rumsey

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SVG Protocol and Files

Overview

Scalable Vector Graphics (SVG) Files:

• Sets of instructions that draw a picture, like drawing on a canvas.
• Web friendly.
• XML-based.
• 2 Dimensional graphics.
• Supports interactivity and animation.
• An open standard (WWWC circa 1999).
• Supported by most web browsers.
• There is an SVG DOM (animation support here).
• Supports CSS styling.
• Supports script manipulation (e.g. JS).
• Accessibility support built-in.
• Mobile-ready SVG Profiles: SVG Tiny and SVG Basic.

Printing Support:

• Vector Graphics Markup Language (VGML) is supported.
• Includes basic Page Description Language (PDL) that supports a rendered printable document format (similar to PDF).

Animating:

• Can be done in SMIL or script language like JS.
• W3C Recommends SMIL as standard... see SVG Animation with SML for details.
• Event Handlers includes for common events like 'onmouseover' etc.

Compression:

• Can compress using lossless data compression algorithms such as GZIP => filename.svgz
• SVG 1.1 viewers display compressed images natively.

References

MDN WebDocs on Scalable Vector Graphics

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