No, the vboxr was NULL terminated (see line: vboxr[2] = C_NULL # mark end
of vector) and I kept the vector out of pure laziness. It turned out that
this didn't work
plot = IupPlot()
dlg = IupDialog(hbox);
because I had an issue on the porting of IupPlot that returned a pointer
to int instead of a pointer to Ihandle (a void *). When I fixed this it
started to work.
But my basic incomprehension of what a dialog is still remains. I know the
doc says
"... It manages user interaction with the interface elements"
but sorry, this too vague for me. Can I think of it as a similar to the
Matlab handle to a Figure?
Why can't I create a dialog by calling it on a IupCanvas. That is, why
doesn't this work?
dlg = IupDialog( IupCanvas())
And a IupPlot object, can I think of it as a ML equivalent to an axes
handle? How can I put more than one IupPlot plot side by side?
Well, sorry. Lots of questions but I still don't understand the "mechanics
of the IUP ensemble"
Joaquim
Hi,
I think there is a misunderstanding about the vbox terminator. When you
pass a list of controls for a box you end that list with a null, for
>instance vbox(but1, but2, null).
This is not what you are doing. First, if you don't want a tabs, remove
it from your test. Make it simpler. You also don't need an array of
plots, >you will use just one. Eliminate that too.
Then we start from there.
And send me the full Julia file so I can also see what you are doing in
InitPlot.
Best,
Scuri
Em 22/05/2015 16:55, "Joaquim Luis" <[email protected]> escreveu:
Thanks,
I managed to make it work in a stripped down version of the pplot
example.But now I don't want to plot it in a Tab, I just want a simple
plot with an image. I understand that the solution must be in what is
used to >>generate the IupDialog() bellow, but everything else that I
try just brings an empty figure.
This is so painful by trial and error. I guess that I simply don't
understand what a dialog (the return of IupDialog(...)) is and the
importance >>of its input argument.
Joaquim
IupControlsOpen(); # init the addicional controls library (we use
IupTabs)
IupPlotOpen(); # init IupPlot library
# create plots
plot[1] = IupPlot()
# right panel: tabs with plots
vboxr[1] = IupVbox(plot[1]); # each plot a tab
s = @sprintf("Plot %d", 1)
IupSetAttribute(vboxr[1], "TABTITLE", s); # name each tab
vboxr[2] = C_NULL # mark end of vector
tabs = IupTabsv(pointer(vboxr)) # create tabs
# dialog
hbox = IupHbox(tabs);
IupSetAttribute(hbox, "MARGIN", "4x4");
IupSetAttribute(hbox, "GAP", "10");
dlg = IupDialog(hbox);
IupSetAttributes(dlg, "SIZE=500x240" );
IupSetAttribute(dlg, "TITLE", "IupPlot Example");
InitPlots(); # It must be able to be done independent of dialog Mapping
IupShowXY(dlg, IUP_CENTER, IUP_CENTER);
IupSetAttribute(dlg, "SIZE", C_NULL);
IupMainLoop()
IupClose()
Hi,
No, only IupImage is accepted as an image handle in a control. So
instead of using imFileImageLoadBitmap, use IupLoadImage. It will
>>>use imFileImageLoadBitmap internally and it will return an IupImage
Ihandle* so you can use it in IupSetAttributeHandle.
Best,
Scuri
On Wed, May 20, 2015 at 11:24 AM, Joaquim Luis <[email protected]> wrote:
Hi,
How can I plot an image in an axes with coordinates?
I tried with IupPlot and attribute "BACKIMAGE", as in (in Julia)
error = pointer([0])
image = imFileImageLoadBitmap("V://Capture.PNG", 0, error)
IupSetAttributeHandle(plot[1], "BACKIMAGE", convert(Ptr{Void},
image));
but get crashes from the C side saying
Exception: EXCEPTION_ACCESS_VIOLATION at 0x7ffdca48afd2 --
iupTableGet at
C:\programs\compa_libs\iup\iup.DLL (unknown line)
iupTableGet at C:\programs\compa_libs\iup\iup.DLL (unknown line)
cdIupDrawImage at C:\programs\compa_libs\iup\iupcd.dll (unknown line)
...
Thanks
Joaquim
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