image-rendering - SVG: Scalable Vector Graphics 编辑

The image-rendering attribute provides a hint to the browser about how to make speed vs. quality tradeoffs as it performs image processing.

The resampling is always done in a truecolor (e.g., 24-bit) color space even if the original data and/or the target device is indexed color.

Note: As a presentation attribute, image-rendering can be used as a CSS property. See the css image-rendering property for more information.

As a presentation attribute, it can be applied to any element but it has effect only on the following element: <image>

Usage notes

Value	`auto` \| `optimizeSpeed` \| `optimizeQuality`
Default value	`auto`
Animatable	Yes

auto: Indicates that the user agent shall make appropriate tradeoffs to balance speed and quality, but quality shall be given more importance than speed.
optimizeSpeed: Indicates that the user agent shall emphasize rendering speed over quality.
optimizeQuality: Indicates that the user agent shall emphasize quality over rendering speed.

Specification	Status	Comment
CSS Images Module Level 3 The definition of 'image-rendering' in that specification.	Candidate Recommendation	Definition in CSS
Scalable Vector Graphics (SVG) 2 The definition of 'image-rendering' in that specification.	Candidate Recommendation	No significant change, only added a reference to CSS Images 3
Scalable Vector Graphics (SVG) 1.1 (Second Edition) The definition of 'image-rendering' in that specification.	Recommendation	Initial definition

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