AI/PDF/EPS to DXF converter in Visual Basic 6 #2

The project is about writing a piece of software in VisualBasic 6.

Visual Basic 6, not VB.NET.


Read in an Adobe Illustrator file or PDF file or EPS file, and write it out as DXF file.

Only the pure vector data must be processed.

No hatches, no text, no pen width, no bitmap data.

The splines found in the input file must be written as splines into the DXF file.

All other entities must be written as simple elements into the DXF file.

Tesselation to line pieces is not needed and not wanted.

Also the layer of the spline or curve must be found in the DXF file.

We will use Rhinoceros 3D or AutoCAD to test the converted DXF data.

We want this implemented as ActiveX-DLL.

This DLL shall take the filename of the input file and the filename of the output file.

It shall also provide a progress (0-100%) and a return value (ok or failed).

Also, the software must be very efficient in memory usage.

It shall not hold the complete input file content in memory and write out then.

It shall read in as less as possible and write the DXF content as soon as possible, and clear the used memory as soon as possible.

And it must be a very quick process without time consuming, cumbersome calculations.

It is known that VB6 will slow down on large counts of class instances.

Better use UDTs.

All input and output values must have the point as decimal separator even on French/German/whatever OS.

Fortunately, we have found a VB6 code that reads and displays AI files (freeware).

This can be a good base to work with.

The whole display thing can be thrown away.


I a first attempt, we attached the file to the project description.

This made that freelancer rejected the project.

So the source will be sent on request only.


The DXF part of the software must be created by own effort.

This is not very complicated, as DXF files are plain text files and well documented.

A UI is not needed and not wanted, except for a test app.

Especially no graphical representation of the input.

This test app must not be very fancy, it will be thrown away in the end.

It must only make the DLL working and show the progress and the return value.

We want well coded and well commented source code.

We must be able to compile the DLL in here without flaws.

Third party tools are not allowed.

The work must be done in pure VB6.

We will provide a bunch of test AI/PDF/EPS files to work with.

While the work is going on, we want to be able to see and test what happened at least 1x a week.

We will pay immediately after we have found the source code working error free.

We won’t pay in several little milestones, but in 1 go.

It will be good when the coder has the ability to produce AI/PDF/EPS files on his own.

Also it will be helpful to be able to test the output.

On any problems, say something. We can discuss about everything.

Communication must happen on the freelancer site only.

Please do only bid if you know what AI/PDF/EPS, DXF and VB6 is.

Ask if the task is not clear enough by this description.

Regarding the existing source...
I don't dare to put the link here.
Please go to the planet-source-code site.
Select Visual Basic.
Search for "Vector file preview control".
Then you have it.

Skills: Software Architecture, Software Development, Visual Basic

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About the Employer:
( 26 reviews ) Dortmund, Germany

Project ID: #16360177

6 freelancers are bidding on average $754 for this job


Hello. I have an experience with graphics formats and with dxf files. Are you need convert data from all of AI/PDF/EPS formats or one of them?

$1500 USD in 50 days
(50 Reviews)

I am confident that i can do this project. Would you please message me so i can ask some directed questions to gather all the details for this project before project's initiation? Looking forward to show you my skill More

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A proposal has not yet been provided

$750 USD in 1 day
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Professional software developer with over 15 years of overall experience in software development and maintenance looking for challenge projects fit my skills. Main specialization: * developing Windows Desktop and More

$666 USD in 10 days
(0 Reviews)

I've carefully read your project description. I am very interested in doing this project of yours. If you want i will be starting doing this work right now. I am a WordPress, PHP, Laravel, Phyton, Codeigniter, Mag More

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