https://bugs.documentfoundation.org/show_bug.cgi?id=94735
Bug ID: 94735
Summary: Transparent gradient of kind draw:style="square" is
rendered wrong in presentation mode
Product: LibreOffice
Version: 5.1.0.0.alpha0+ Master
Hardware: x86 (IA32)
OS: Windows (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Impress
Assignee: [email protected]
Reporter: [email protected]
Created attachment 119243
--> https://bugs.documentfoundation.org/attachment.cgi?id=119243&action=edit
Color gradient and transparency gradient to compare
Open attached document and compare the gradients in edit mode and in
presentation mode. Notice, that for the lower rectangle with the color
gradient, the gradient fill area is square both in edit and in presentation
mode. But for the upper rectangle with a transparent gradient, the gradient is
square in edit mode but not square in presentation mode.
It seems to me, that the changes done in bug #42553 were not correct.
You get the same wrong gradient in the thumbnail.
The ODF standard is very clear about how draw:style="square" should be
rendered. Read section 19.218.2<draw:gradient>, item square,
"square: defines a gradient that produces a square blend, imitating the visual
perspective in a corridor or the aerial view of a pyramid. Also known as "box
gradient" and "pyramidal gradient". The center of the square is defined with
the draw:cx and draw:cy attributes. The width and height of the square is the
minimum value of either the width or the height of the filled area. The outside
of the square is filled with the end color."
Especially:
The width _and_ height of the square...
The outside of the square is filled with the end color.
There is no doubt, that the gradient area is equal in height and width.
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