Confirmed users, Bureaucrats and Sysops emeriti
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SMIL:SMIL Model: Difference between revisions
killing SVGDev
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These pages contain a proposed [[ | These pages contain a proposed [[SVG:Timing Model|Timing Model]] and [[SVG:Animation Model|Animation Model]] as implemented at [http://brian.sol1.net/svg/ http://brian.sol1.net/svg/]. | ||
= Approach and credits = | = Approach and credits = | ||
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http://brian.sol1.net/svg/designs/current/overview.png | http://brian.sol1.net/svg/designs/current/overview.png | ||
The design is broken up into two main parts: the [[ | The design is broken up into two main parts: the [[SVG:Timing Model|timing | ||
model]] and the [[ | model]] and the [[SVG:Animation Model|animation model]] as well as some | ||
supporting infrastructure. | supporting infrastructure. | ||
The [[ | The [[SVG:Timing Model|timing model]] is responsible for: | ||
* begin and end times | * begin and end times | ||
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* restart | * restart | ||
The [[ | The [[SVG:Animation Model|animation model]] is responsible for: | ||
* from/to/by/values | * from/to/by/values | ||
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This registry is used to register with the timing and animation model. | This registry is used to register with the timing and animation model. | ||
nsSVGAnimateElement is represented in the [[ | nsSVGAnimateElement is represented in the [[SVG:Animation Model|animation model]] by an [[SVG:Animation Model#nsSMILAnimationFunction|nsSMILAnimationFunction]] and in the | ||
[[ | [[SVG:Timing Model|timing model]] by an [[SVG:Timing Model#nsSMILTimedElement|nsSMILTimedElement]]. This approach, composition rather than inheritance should reduce the coupling between the SVG and SMIL modules and help us avoid MI nightmares. | ||
All the parsing work including supplying default values is performed in the | All the parsing work including supplying default values is performed in the | ||
[[ | [[SVG:Animation Model#nsSMILAnimationFunction|nsSMILAnimationFunction]] and [[SVG:Timing Model#nsSMILTimedElement|nsSMILTimedElement]]. This simplifies nsSVGAnimateElement considerably and allows this functionality to be re-used by other animation elements such as <tt><animateColor></tt> and even in other host languages for SMIL. | ||
View the details of the: | View the details of the: | ||
* [[ | * [[SVG:Animation Model|Animation model]], and | ||
* [[ | * [[SVG:Timing Model|Timing model]]. | ||
= UML and XPCOM = | = UML and XPCOM = | ||