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Convet PNG file to SVG file?

Posted on 2013-10-30
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Last Modified: 2013-11-06
Visual Studio 2012 - C# - Winforms

Does anyone know how to convert a png file to a sgv file?

Or are there any third party controls that can do this?

Thanks
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Question by:NDennisV
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Expert Comment

by:Ess Kay
ID: 39611840
You can call the command-line version of incscape to do this:

http://harriyott.com/2008/05/converting-svg-images-to-png-in-c.aspx

Also there is a C# SVG rendering engine, primarily designed to allow SVG files to be used on the web on codeplex that might suit your needs if that is your problem:

Original Project
http://www.codeplex.com/svg

Fork with fixes and more activity: (added 7/2013)
https://github.com/vvvv/SVG
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Author Comment

by:NDennisV
ID: 39611962
I need it the other way around - Plenty of ways to turn SVG's into PNG's but not turn PNG's into SVG's.
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Expert Comment

by:Ess Kay
ID: 39612192
Check out the SVG framework in C# and an SVG-GDI+ bridge project.

From the above web page...

The SvgGdi bridge is a set of classes that use SvgNet to translate between SVG and GDI+. What this means is that any code that uses GDI+ to draw graphics can easily output SVG as well, simply by plugging in the SvgGraphics object. This object is exactly the same as a regular .NET Graphics object, but creates an SVG tree. Even things like hatched fills and line anchors are implemented.





Source: stackoverflow.com/questions/1525421/drawing-svg-in-net-c
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Author Comment

by:NDennisV
ID: 39612611
Thank you - I will check it out tomorrow
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Author Comment

by:NDennisV
ID: 39616336
stackoverflow.com/questions/1525421/drawing-svg-in-net-c

leads me to https://github.com/vvvv/SVG

which led me to http://www.oss-marketplace.com/index.php/downloads-mainmenu-63/Inkscape/Entwicklerversionen/

Where I downloaded the source code but it is all about rendering on the web and not Winforms.
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Expert Comment

by:Ess Kay
ID: 39616840
no, the codeproject link on top of the comment Titled: "SVG framework in C# and an SVG-GDI+ bridge project."
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Author Comment

by:NDennisV
ID: 39616898
The project is from 2003 which concerns me.

I downloaded the source and the demo project and a library is missing: AxSVGACTIVEXLib so it will not run.

Reading the help I do not see anything about converting from a PNG to a SVG. It's all about SVG only.

Thanks
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LVL 15

Expert Comment

by:Ess Kay
ID: 39616946
from what I see, you can use a png instead of BMP supplied with the test project

as for the missing file, it may be in the project's original website

www.riskcare.net/SvgNet
I can't access it from my network to confirm
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Author Comment

by:NDennisV
ID: 39616986
www.riskcare.net/SvgNet is no longer a valid web site.

I found the library on a Chinese site but I don't know if I should trust it.

I do not see anything about converting bmp to SVG's. The only thing I can find are Icon files that are converted to bmp's.

Thanks
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Expert Comment

by:Ess Kay
ID: 39617000
if its just a library, it cant harm you if you run Windows Vista or newer.



if it tries to change system files, you will get the 'Do you want to continue' message
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Author Comment

by:NDennisV
ID: 39617011
Yes, but I do not see where it converts anything to SVG's except perhaps an Icon file.
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Accepted Solution

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Ess Kay earned 500 total points
ID: 39617019
sorry bud, look like the internet does not offer a solution.


Here is a project used for the web, perhaps you can recycle code for a winform

https://github.com/vvvv/SVG
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Expert Comment

by:Ess Kay
ID: 39617028
SVG files are vector graphic files, PNG files are raster files. I would say that there is no easy way to automatically convert on to another in C# or another language.


Alternatively you can check the list here of softwares which run the conversions
perhaps you can find a dll in one of them to use
 https://en.wikipedia.org/wiki/Comparison_of_raster_to_vector_conversion_software
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Author Comment

by:NDennisV
ID: 39628409
I've looked at all the links on Wikipedia and cannot find anything.
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