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Subject: [OASIS Issue Tracker] (OFFICE-4122) Extend current data type of 19.168 draw:extrusion-specularity

Regina Henschel created OFFICE-4122:

             Summary: Extend current data type of 19.168 draw:extrusion-specularity
                 Key: OFFICE-4122
                 URL: https://issues.oasis-open.org/browse/OFFICE-4122
             Project: OASIS Open Document Format for Office Applications (OpenDocument) TC
          Issue Type: Improvement
            Reporter: Regina Henschel

Currently the data type for attribute 19.168 draw:extrusion-specularity[1] is {{zeroToHundredPercent}}. In ODF 1.1 it has been {{percent}}. The data type has been changed in OFFICE-2509 [2].

The current data type is not suitable:
The extrusion of custom shapes has been designed strongly following RTF, VML and MS Office binary formats. The corresponding attribute there is c3DSpecularAmt. MS Office uses it with value 80000/65536 â 122% in many shapes created in the UI and OpenOffice.org 2 had written it with 122% in ODF 1.1.

A higher value than 100% is meaningful, because the value is used as factor in a product with light intensity. Light intensity has usually values between about 58% and 80%. So to get a bright light spot you need a value for {{extrusion-specularity}} which is higher than 100%.

My proposal is to allow values larger than 100%.

Such could be done by changing data type back to {{percent}}. We could add, that the value must be non-negative.

To make it not-negative we could add the restriction in the text or introduce a data type {{nonNegativePercent}} and use that.
Such would be
{{<rng:define name="nonNegativePercent">}}
{{Â <rng:data type="percent">}}
{{ÂÂÂ <rng:param name="minInclusive">0%</rng:param>}}
{{Â </rng:data>}}

[1] https://docs.oasis-open.org/office/OpenDocument/v1.3/os/part3-schema/OpenDocument-v1.3-os-part3-schema.html#attribute-draw_extrusion-specularity
[2] https://issues.oasis-open.org/browse/OFFICE-2509

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