[Blindmath] First attempt at an SWT/SVG based drawing program

Tue Aug 30 12:15:45 UTC 2011

It closes when I press the button labeled "push to draw."
----- Original Message ----- 
From: "Richard Baldwin" <baldwin at dickbaldwin.com>
To: "Blind Math list for those interested in mathematics" 
<blindmath at nfbnet.org>
Sent: Tuesday, August 30, 2011 12:59 AM
Subject: Re: [Blindmath] First attempt at an SWT/SVG based drawing program


> Hi Amanda,
>
> I'm a little concerned about part of your description having to do with 
> the
> program closing.
>
> The program should only close when you have first selected the item in the
> combo box that reads "Stop program" and then you press Enter. I don't 
> think
> that pressing space in the combo box should do anything.
>
> However, pressing either space or the Enter key on a button should cause 
> the
> action identified by that button to occur.
>
> After you "Start a new drawing" by pressing Return on that item in the 
> combo
> box, filling out the form, and pushing the button on that form, you should
> be able to select and draw as many different shapes as you need before
> writing the output file and closing the program.
>
> After drawing all of the shapes that you need, you should press Enter on 
> "Write
> drawing file" in the combo box.  This will open a dialog that you can use 
> to
> specify a file name. After specifying the file name, press space or Return
> on the button that reads "Push to write the file" to actually cause the
> output SVG file to be written. Unless you specify a path along with the 
> file
> name, the SVG file should be written into the same folder as the one
> containing the executable jar file.
>
> Finally, after starting a new drawing, adding shapes to the drawing, and
> writing the SVG document into an output SVG file, you should press Enter 
> on
> the item in the combo box that reads "Stop program." That should close the
> program.
>
> Is that how is it working, or is the program closing prematurely when you
> press the button to "cause the shape to be drawn?"
>
> Thanks,
> Dick Baldwin
>
> On Mon, Aug 29, 2011 at 11:36 PM, Amanda Lacy <lacy925 at gmail.com> wrote:
>
>> Your including the dll file seems to have solved that problem. When I run
>> the program, everything seems to work fine. I select a shape and tab my 
>> way
>> through the form until I come to the button which will cause that shape 
>> to
>> be drawn. I press enter or space, and the program closes.
>>
>>
>> Amanda
>> ----- Original Message ----- From: "Richard Baldwin" <
>> baldwin at dickbaldwin.com>
>> To: "Blind Math list for those interested in mathematics" <
>> blindmath at nfbnet.org>
>> Sent: Monday, August 29, 2011 11:15 PM
>>
>> Subject: Re: [Blindmath] First attempt at an SWT/SVG based drawing 
>> program
>>
>>
>>  Amanda: I just uploaded a new version of the jar file and included the 
>> dll
>>> files. Maybe I was supposed to include them but it didn't matter on my
>>> machine because they had already been installed. Please download this 
>>> new
>>> version and try to execute it with the following command on the command
>>> line
>>> in the folder that contains SVGDraw01.jar.
>>>
>>> java -jar SVGDraw01.jar
>>>
>>> Ken: I have been led to believe that when the GUI is developed using the
>>> SWT
>>> instead of Swing, the java access bridge is not required, and that is 
>>> one
>>> of
>>> the main advantages of using the SWT instead of Swing. However, I do 
>>> have
>>> the access bridge installed on my computer so I can't be certain that it
>>> is
>>> not required.
>>>
>>> Dick Baldwin
>>>
>>> On Mon, Aug 29, 2011 at 10:57 PM, Ken Perry <kperry at blinksoft.com> 
>>> wrote:
>>>
>>>  Do you have to have access bridge installed to use this with Jaws?
>>>>
>>>> ken
>>>>
>>>> -----Original Message-----
>>>> From: blindmath-bounces at nfbnet.org [mailto:blindmath-bounces@**
>>>> nfbnet.org <blindmath-bounces at nfbnet.org>]
>>>> On
>>>> Behalf Of Richard Baldwin
>>>> Sent: Monday, August 29, 2011 11:20 PM
>>>> To: Blind Math list for those interested in mathematics
>>>> Subject: Re: [Blindmath] First attempt at an SWT/SVG based drawing
>>>> program
>>>>
>>>> It shouldn't matter which folder you place it in. I haven't seen that
>>>> error
>>>> on my computer at home or on the computer in my office at the college 
>>>> but
>>>> that may be because I have been doing SWT development on both of those
>>>> computers and the dll file that you mentioned may have been installed 
>>>> on
>>>> my
>>>> machines at some earlier time. I will try it on one of the lab 
>>>> computers
>>>> tomorrow to see if I have any problems there. If so, I will see what is
>>>> needed to correct the problem and upload a corrected jar file.
>>>>
>>>> As I mentioned in my earlier message, this is my first encounter with
>>>> SWT.
>>>>
>>>> Has anyone else seen this problem?
>>>>
>>>> Thanks,
>>>> Dick Baldwin
>>>>
>>>> On Mon, Aug 29, 2011 at 9:36 PM, Amanda Lacy <lacy925 at gmail.com> wrote:
>>>>
>>>> > Is there a specific folder in which we should place this file? I get 
>>>> > an
>>>> > unsatisfied link error that says something like cannot load 
>>>> > SWTWin.dll.
>>>> >
>>>> > Amanda
>>>> > ----- Original Message ----- From: "Richard Baldwin" <
>>>> > baldwin at dickbaldwin.com>
>>>> > To: "BlindMath Mailing List" <blindmath at nfbnet.org>
>>>> > Sent: Monday, August 29, 2011 9:02 PM
>>>> > Subject: [Blindmath] First attempt at an SWT/SVG based drawing 
>>>> > program
>>>> >
>>>> >
>>>> >  For those who may be interested, I have posted my first attempt at
>>>> putting
>>>> >> an SWT GUI front end on my SVG graphics library and have posted the
>>>> >> resulting program in a file named SVGDraw01.jar at the following 
>>>> >> URL:
>>>> >>
>>>> >>
>>>> http://www.austincc.edu/****baldwin/SWT-SVG/SVGDraw01.jar<http://www.austincc.edu/**baldwin/SWT-SVG/SVGDraw01.jar>
>>>> <
>>>> http://www.austincc.
>>>> edu/baldwin/SWT-SVG/SVGDraw01.**jar>
>>>> >>
>>>> >> I would appreciate it if some of you would download the program, try
>>>> >> it,
>>>> >> and
>>>> >> provide feedback in several different areas. You will need the Java
>>>> >> virtual
>>>> >> machine installed on your computer to run the program. On Windows, 
>>>> >> you
>>>> can
>>>> >> run the program either by double-clicking on the jar file, or by >>
>>>> opening
>>>> a
>>>> >> command prompt in the folder containing the jar file and entering 
>>>> >> the
>>>> >> following command at the command prompt:
>>>> >>
>>>> >> java -jar SVGDraw01.jar
>>>> >>
>>>> >> When the program starts running, you should find yourself in an SWT
>>>> Combo
>>>> >> object with an item labeled "User Instructions" highlighted. 
>>>> >> Pressing
>>>> the
>>>> >> Enter key at this point will take you to the beginning of a page
>>>> >> containing
>>>> >> user instructions. A screen reader should tell you to press 
>>>> >> shift-tab
>>>> >> to
>>>> >> return to the combo box or to press the tab key to continue.
>>>> >>
>>>> >> Pressing the tab key will cause the screen reader to begin reading 
>>>> >> the
>>>> >> instructions. At the end of the instructions, the screen reader 
>>>> >> should
>>>> >> tell
>>>> >> you to "Press tab to return to the combo box." (Of course, you can 
>>>> >>  >>
>>>> press
>>>> >> tab
>>>> >> at any time. You don't need to wait until the screen reader finishes
>>>> >> reading
>>>> >> the instructions.)
>>>> >>
>>>> >> You can navigate up and down the list in the combo box using the 
>>>> >> arrow
>>>> >> keys
>>>> >> and act on an item by pressing the Enter key when that item is >>
>>>> selected.
>>>> >> The
>>>> >> combo box currently contains the following items:
>>>> >>
>>>> >> User instructions (which is what you should do first)
>>>> >> Start a new drawing (which is what you should do next)
>>>> >> Draw a line
>>>> >> Draw a rectangle
>>>> >> Draw a circle
>>>> >> Draw an ellipse
>>>> >> Draw a polyline
>>>> >> Draw a polygon
>>>> >> Write drawing file (which is what you should do next to last)
>>>> >> Stop program (which is what you should do last)
>>>> >>
>>>> >> When you press the Enter key on the item labeled "Start a new >>
>>>> drawing,"
>>>> an
>>>> >> empty SVG page of a specified size with optional title and 
>>>> >> description
>>>> >> attributes will be created in memory.
>>>> >>
>>>> >> When you press the Enter key on the item labeled "Write drawing 
>>>> >> file",
>>>> >> that
>>>> >> SVG page will be written to an output SVG file with a name of your
>>>> >> choosing
>>>> >> and an extension of .svg.
>>>> >>
>>>> >> Between starting a new drawing and writing the drawing file, you can
>>>> >> add
>>>> >> elements for any number of any of the six shapes (which are the SVG
>>>> basic
>>>> >> shapes) in any order to the SVG page.
>>>> >>
>>>> >> When you press the Enter key on a shape item, you will land on a 
>>>> >> form
>>>> that
>>>> >> allows you to enter the most commonly used attributes for that 
>>>> >> shape.
>>>> Fill
>>>> >> in the blanks, check the check boxes (if any), and finally push the
>>>> button
>>>> >> labeled "Push to draw ---" to add the shape element to the SVG page.
>>>> >> You
>>>> >> can
>>>> >> navigate up and down the the form with the tab key and shift-tab.
>>>> >>
>>>> >> I would appreciate receiving feedback in at least the following 
>>>> >> areas.
>>>> >> Feedback in other areas not listed below will be appreciated also.
>>>> >>
>>>> >> 1. Will the program be accessible to a blind student? What could be 
>>>> >>  >>
>>>> done
>>>> >> to
>>>> >> improve accessibility?
>>>> >>
>>>> >> 2. Will the navigation structure of the program be functionally 
>>>> >> useful
>>>> to
>>>> >> a
>>>> >> blind student? What could be done to improve the navigational
>>>> >> functionality
>>>> >> and make the program easier to use?
>>>> >>
>>>> >> 3. Will the "fill-in-the-blanks" concept for creating technical >>
>>>> diagrams
>>>> >> and
>>>> >> drawings, such as vector diagrams and free-body diagrams, be useful 
>>>> >> to
>>>> >> a
>>>> >> blind student? If so, which of the many additional capabilities of 
>>>> >>  >>
>>>> SVG,
>>>> >> such
>>>> >> as arcs, paths, etc., would be appropriate as an upgrade to the >>
>>>> program.
>>>> >> (I'm already planning on adding the ability to create text elements. 
>>>> >> I
>>>> >> just
>>>> >> haven't resolved all the questions regarding fonts yet.)
>>>> >>
>>>> >> 4. To what extent is the output SVG file compatible with graphics
>>>> >> embossers
>>>> >> that can work with SVG files as input? What could be done to improve
>>>> that
>>>> >> compatibility?
>>>> >>
>>>> >> Thank you,
>>>> >>
>>>> >> Dick Baldwin
>>>> >>
>>>> >> --
>>>> >> Richard G. Baldwin (Dick Baldwin)
>>>> >> Home of Baldwin's on-line Java Tutorials
>>>> >> http://www.DickBaldwin.com
>>>> >>
>>>> >> Professor of Computer Information Technology
>>>> >> Austin Community College
>>>> >> (512) 223-4758
>>>> >> mailto:Baldwin at DickBaldwin.com
>>>> >> http://www.austincc.edu/****baldwin/<http://www.austincc.edu/**baldwin/><
>>>> http://www.austincc.edu/**baldwin/ <http://www.austincc.edu/baldwin/>>
>>>> >> ______________________________****_________________
>>>> >> Blindmath mailing list
>>>> >> Blindmath at nfbnet.org
>>>> >>
>>>> http://www.nfbnet.org/mailman/****listinfo/blindmath_nfbnet.**org<http://www.nfbnet.org/mailman/**listinfo/blindmath_nfbnet.org>
>>>> <
>>>> http://www.nfb
>>>> net.org/mailman/listinfo/**blindmath_nfbnet.org<http://net.org/mailman/listinfo/blindmath_nfbnet.org>
>>>> >
>>>> >> To unsubscribe, change your list options or get your account info 
>>>> >> for
>>>> >> Blindmath:
>>>> >> http://www.nfbnet.org/mailman/****options/blindmath_nfbnet.**org/**<http://www.nfbnet.org/mailman/**options/blindmath_nfbnet.org/**>
>>>> >>
>>>> lacy925%40gmail.com<
>>>> http://www.nfbnet.org/mailman/**options/blindmath_nfbnet.o<http://www.nfbnet.org/mailman/options/blindmath_nfbnet.o>
>>>> rg/lacy925%40gmail.com>
>>>> >>
>>>> >
>>>> >
>>>> > ______________________________****_________________
>>>> > Blindmath mailing list
>>>> > Blindmath at nfbnet.org
>>>> >
>>>> http://www.nfbnet.org/mailman/****listinfo/blindmath_nfbnet.**org<http://www.nfbnet.org/mailman/**listinfo/blindmath_nfbnet.org>
>>>> <
>>>> http://www.nfb
>>>> net.org/mailman/listinfo/**blindmath_nfbnet.org<http://net.org/mailman/listinfo/blindmath_nfbnet.org>
>>>> >
>>>> > To unsubscribe, change your list options or get your account info for
>>>> > Blindmath:
>>>> > http://www.nfbnet.org/mailman/****options/blindmath_nfbnet.**org/**<http://www.nfbnet.org/mailman/**options/blindmath_nfbnet.org/**>
>>>> >
>>>> baldwin%40dickbaldwin.com<
>>>> http://www.nfbnet.org/mailman/**options/blindmath_nf<http://www.nfbnet.org/mailman/options/blindmath_nf>
>>>> bnet.org/baldwin%**40dickbaldwin.com<http://bnet.org/baldwin%40dickbaldwin.com>
>>>> >
>>>> >
>>>>
>>>>
>>>>
>>>> --
>>>> Richard G. Baldwin (Dick Baldwin)
>>>> Home of Baldwin's on-line Java Tutorials
>>>> http://www.DickBaldwin.com
>>>>
>>>> Professor of Computer Information Technology
>>>> Austin Community College
>>>> (512) 223-4758
>>>> mailto:Baldwin at DickBaldwin.com
>>>> http://www.austincc.edu/**baldwin/ <http://www.austincc.edu/baldwin/>
>>>> ______________________________**_________________
>>>> Blindmath mailing list
>>>> Blindmath at nfbnet.org
>>>> http://www.nfbnet.org/mailman/**listinfo/blindmath_nfbnet.org<http://www.nfbnet.org/mailman/listinfo/blindmath_nfbnet.org>
>>>> To unsubscribe, change your list options or get your account info for
>>>> Blindmath:
>>>>
>>>> http://www.nfbnet.org/mailman/**options/blindmath_nfbnet.org/**
>>>> kperry%40blinksof<http://www.nfbnet.org/mailman/options/blindmath_nfbnet.org/kperry%40blinksof>
>>>> t.com
>>>>
>>>>
>>>> ______________________________**_________________
>>>> Blindmath mailing list
>>>> Blindmath at nfbnet.org
>>>> http://www.nfbnet.org/mailman/**listinfo/blindmath_nfbnet.org<http://www.nfbnet.org/mailman/listinfo/blindmath_nfbnet.org>
>>>> To unsubscribe, change your list options or get your account info for
>>>> Blindmath:
>>>>
>>>> http://www.nfbnet.org/mailman/**options/blindmath_nfbnet.org/**
>>>> baldwin%40dickbaldwin.com<http://www.nfbnet.org/mailman/options/blindmath_nfbnet.org/baldwin%40dickbaldwin.com>
>>>>
>>>>
>>>
>>>
>>> --
>>> Richard G. Baldwin (Dick Baldwin)
>>> Home of Baldwin's on-line Java Tutorials
>>> http://www.DickBaldwin.com
>>>
>>> Professor of Computer Information Technology
>>> Austin Community College
>>> (512) 223-4758
>>> mailto:Baldwin at DickBaldwin.com
>>> http://www.austincc.edu/**baldwin/ <http://www.austincc.edu/baldwin/>
>>> ______________________________**_________________
>>> Blindmath mailing list
>>> Blindmath at nfbnet.org
>>> http://www.nfbnet.org/mailman/**listinfo/blindmath_nfbnet.org<http://www.nfbnet.org/mailman/listinfo/blindmath_nfbnet.org>
>>> To unsubscribe, change your list options or get your account info for
>>> Blindmath:
>>> http://www.nfbnet.org/mailman/**options/blindmath_nfbnet.org/**
>>> lacy925%40gmail.com<http://www.nfbnet.org/mailman/options/blindmath_nfbnet.org/lacy925%40gmail.com>
>>>
>>
>>
>> ______________________________**_________________
>> Blindmath mailing list
>> Blindmath at nfbnet.org
>> http://www.nfbnet.org/mailman/**listinfo/blindmath_nfbnet.org<http://www.nfbnet.org/mailman/listinfo/blindmath_nfbnet.org>
>> To unsubscribe, change your list options or get your account info for
>> Blindmath:
>> http://www.nfbnet.org/mailman/**options/blindmath_nfbnet.org/**
>> baldwin%40dickbaldwin.com<http://www.nfbnet.org/mailman/options/blindmath_nfbnet.org/baldwin%40dickbaldwin.com>
>>
>
>
>
> -- 
> Richard G. Baldwin (Dick Baldwin)
> Home of Baldwin's on-line Java Tutorials
> http://www.DickBaldwin.com
>
> Professor of Computer Information Technology
> Austin Community College
> (512) 223-4758
> mailto:Baldwin at DickBaldwin.com
> http://www.austincc.edu/baldwin/
> _______________________________________________
> Blindmath mailing list
> Blindmath at nfbnet.org
> http://www.nfbnet.org/mailman/listinfo/blindmath_nfbnet.org
> To unsubscribe, change your list options or get your account info for 
> Blindmath:
> http://www.nfbnet.org/mailman/options/blindmath_nfbnet.org/lacy925%40gmail.com