Regina Henschel schrieb:
Hi Armin,
Armin Le Grand schrieb:
Regina Henschel schrieb:
Hi Armin,
<----stuff deleted---->
If I save the file and unpack it, the rectangle has
<draw:rect draw:style-name="gr1" draw:text-style-name="P1"
draw:layer="layout" svg:width="2cm" svg:height="2cm"
draw:transform="skewX (0.3490658503988) translate (-0.636cm -1cm)">
There is no matrix.
Oops, forgot: draw:transform is the matrix. Please refer to ODF format
definitions to see that this can be given directly as 3x2 values, but
also in the more readable form above. Since XML is about readability,
the most readable form is used.
I meant the value matrix(<a> <b> <c> <d> <e> <f>) from the ODF spec.
But there are problems for me. Is this a description for the full matrix
<a> <b> <c>
<d> <e> <f>
0 0 1
?
Simply refer to ODF1.2 spec, it's documented there. It says, <c>, <f>
build the translation, thus Your interpretation should be correct.
I have tried something like
<draw:circle draw:name="vonOOodirekt" draw:style-name="gr1"
draw:text-style-name="P1" draw:layer="layout" svg:width="3cm"
svg:height="3cm" draw:transform="translate (6.5cm 7.51cm)"
draw:kind="section" draw:start-angle="0" draw:end-angle="270">
<text:p/>
</draw:circle>
<draw:circle draw:name="meins" draw:style-name="gr1"
draw:text-style-name="P1" draw:layer="layout" svg:width="3cm"
svg:height="3cm" draw:transform="matrix(0 1 10 -1 0 10) translate (6.5cm
7.51cm)" draw:kind="section" draw:start-angle="0" draw:end-angle="270">
<text:p/>
</draw:circle>
I expect a rotating and a little shift, but get a large shearing. So for
me there is again the question, do I miss-understand something or is OOo
wrong here.
Hard to say, i would also have to evaluate the code by tracing through
XML parser, API and Drawinglayer. I can say that the API uses the
Drawinglayer TRSetBaseGeometry when a matrix has to be set, but in which
order or with which effects this happens is nothing i just know.
Since in the XML above is no shear, it should be an error somewhere when
it leads to shear after loading. OTOH when You write a ahape with shear
and load it, it works, thus there has to be at least a simple
combination which works.
And another question: How should svg width/height work together with the
transformation? First scale with svg and then transform or the other way
round?
I am not sure, i would have to check the code, too.
I will have to take some time to check this. These are questions who's
answering spans various areas in the code not a single person is
responsible for.
kind regards
Regina
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