CSS WG Blog Minutes TPAC 2012 Part V: Masking, Composi…

Minutes TPAC 2012 Part V: Masking, Compositing, Transforms, Transitions, Animations

Masking

• Resolved: Add “no clipping” value to mask-clip
• Resolved: Deprecate clip, recommend clip-path from now on.
• Resolved: Add inset() or inset-rectangle() to the Shapes module.
• Discussed percentage sizing reference.
• Discussed interpretation of fragment URLs against SVG.
• Resolved: Publish FPWD Masking as css-mask

Full minutes

Compositing

• Resolved: Turn the Compositing default to be isolated groups.

Full minutes

Transforms

• Resolved: Accept Aryeh’s proposal regarding transform parents, exact wording TBD.
• Bug 15605 (w-parameter for perspective) needs review from implementers.
• Discussed 2D interpolation methods for transitioning transforms.
• Brief discussion of stereo vision

Full minutes: Part I, Part II

Animations

• Discussed snapshotting vs. dynamic modification of animation parameters.
• Resolved: Change the animation properties to be dynamically changeable, details TBD.
• Resolved: @keyframes can be dynamically changed
• Resolved: Copy over the pseudo-element info from transition events to animation events.
• Resolved: animation-name‘s length is authoritative. Other animations properties are adjusted to its length.
• Resolved: When you encounter duplicate animations names, last one wins.
• Resolved: Make animations transition all properties. Unless otherwise specified, discrete properties take their starting values below 50% timing function progress, and end values above 50% timing function progress.
• Discussed interaction of simultaneous transitions and animations, particularly how that fits with the cascade.

Full minutes: Part I, Part II

Transitions

• Resolved: Clarify that none, inherit, and initial are not allowed at any position within the list for ‘transition-property’; such a declaration is syntactically invalid
• Resolved: Animations of colors are in pre-multiplied space.

Full minutes

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