svg transform matrix parser - parsing
problem explain:
transform = "matrix(cos(a), sin(a), -sin(a), cos(a), -x1cos(a)+y1sin(a)+x2, -x1sin(a)-y1cos(a)+y2)"
can see 7.4 Coordinate system transformations
to be resolved:
in my work,i must resolve to parse matrix
example:
<?xml version="1.0" encoding="utf-8"?><svg width="800" height="500" version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:PerfectSVG="http://www.perfectsvg.com/PerfectSVG" xml:space="preserve">
<defs>
<symbol overflow="visible" id="symbol1" connectPoints="15 70 50 0 87 68">
<g>
<line x1="300" y1="200" x2="309" y2="200" transform="matrix(1,0,0,1,0,0)" />
<line x1="311" y1="200" x2="320" y2="200" transform="matrix(1,0,0,1,0,0)" />
<line x1="300" y1="200" x2="304.75" y2="207.75" transform="matrix(1,0,0,1,0,0)" />
<line x1="315.75" y1="207" x2="320" y2="200" transform="matrix(1,0,0,1,0,0)" />
<line x1="309.25" y1="197.5" x2="309.25" y2="202.25" transform="matrix(1,0,0,1,0,0)"/>
<line x1="311" y1="197.25" x2="311" y2="202.5" transform="matrix(1,0,0,1,0,0)"/>
<line x1="313.75" y1="205.5" x2="318" y2="208.5" transform="matrix(1,0,0,1,0,0)"/>
<line x1="302.75" y1="209.5" x2="307.25" y2="206" transform="matrix(1,0,0,1,0,0)"/>
<line x1="303.75" y1="211" x2="308.25" y2="207.5" transform="matrix(1,0,0,1,0,0)"/>
<line x1="306" y1="209.25" x2="310.25" y2="215.5" transform="matrix(1,0,0,1,0,0)"/>
<line x1="312.75" y1="207.25" x2="317.25" y2="210.5" transform="matrix(1,0,0,1,0,0)"/>
<line x1="310.25" y1="215.25" x2="314.5" y2="208.75" transform="matrix(1,0,0,1,0,0)"/>
</g>
</symbol></defs><use xlink:href="#symbol1" transform="matrix(3.774,-2.246,2.246,3.774,-1562.468,-12.947)" stroke="#000000" fill="#FFFFFF" id="use3" stroke-width="0.2276867"/></svg>
Now:
i want to know In:transform="matrix(3.774,-2.246,2.246,3.774,-1562.468,-12.947)" out:(a:angle x1,y1:The original coordinates x2,y2:New coordinates) from the example
who can give suggestions or Some reference materials
tks.
It's impossible to get old x/y and new x/y only by transform data.
You must have two of the three data.
You can use getBBox method to get the outer box, and then you can get the box's dots.
Related
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<concat destfile="${database_dir}/xxxx-create-constraints.sql">
<filelist dir="${database_dir}" files="XXXX-hsqldb-nodrop.sql" />
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<striplinebreaks />
<replacestring from=";" to=";
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I am trying to translate this into Gradle, it is part of a larger task the majority of which I have already translated, I am having trouble with the following section.
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<striplinebreaks />
<replacestring from=";" to=";
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<linecontains>
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Thus far I have just:
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EDIT
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ant.concat(destFile:"${database_dir}/XXXX-create-constraints.sql"){
files("XXXX-hsqldb-nodrop.sql")
filelist(dir:"${database_dir}")
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striplinebreaks()
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')
linecontains{
'add constraint'
}
}
}
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<Trigger.EnterActions>
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<DoubleAnimationUsingKeyFrames
Storyboard.TargetName="Position"
Storyboard.TargetProperty="X"
RepeatBehavior="5x"
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<EasingDoubleKeyFrame KeyTime="0:0:0.05" Value="0"/>
<EasingDoubleKeyFrame KeyTime="0:0:0.1" Value="2"/>
<EasingDoubleKeyFrame KeyTime="0:0:0.15" Value="0"/>
<EasingDoubleKeyFrame KeyTime="0:0:0.20" Value="-2"/>
<EasingDoubleKeyFrame KeyTime="0:0:0.25" Value="0"/>
</DoubleAnimationUsingKeyFrames>
<!--
<DoubleAnimation
Storyboard.TargetName="Position"
Storyboard.TargetProperty="X"
From="-2" To="2"
Duration="0:0:0:0.1"
AutoReverse="True"
RepeatBehavior="10x">
</DoubleAnimation>
-->
</Storyboard>
</BeginStoryboard>
</Trigger.EnterActions>
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</ControlTemplate.Triggers>
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<Style x:Key="ShakingButton" TargetType="Button">
<Setter Property="Template" Value="{StaticResource ShakingButtonTemplate}"/>
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</Grid.Resources>
<StackPanel>
<Button Style="{StaticResource ShakingButton}" Content="This is a button" />
</StackPanel>