So the main thing is I am trying to use the frame box as a box in a flow
almost like a flowchart. So I want to connect lines from a frame box to
some other point.
On Thu, Jun 29, 2017 at 3:29 PM, Milind Gupta <[email protected]>
wrote:
> I have attached a sample code. This has a frame with just a label and 2
> lines that are drawn from the center to the the bottom line. The red one
> gets the bottom from rastersize while the blue one adds an offset of 10.
>
> On Thu, Jun 29, 2017 at 1:26 PM, Antonio Scuri <[email protected]>
> wrote:
>
>> Hi,
>>
>> This is probably related to the space occupied by the TITLE area and in
>> which callback you are using to draw. Can't tell you what's the best
>> solution with just that information.
>>
>> To draw elements aligned with IUP elements inside a IupGLCanvasBox, I
>> suggest you to use an IupGLSubCanvas element. You will be able to draw from
>> 0 to rastersize in its GL_ACTION callback. Use the layout positioning to
>> align the element inside the glframe.
>>
>> Best,
>> Scuri
>>
>>
>> 2017-06-29 17:08 GMT-03:00 Milind Gupta <[email protected]>:
>>
>>> Hi,
>>> I am trying to draw a line from the mid point of the base of a
>>> glframe. When I get the rastersize of the frame and use that to calculate
>>> the midpoint of the base the point comes about 10px below the frame line.
>>> How can I remove this margin so that rastersize gives me the dimension to
>>> the frame line. In the x direction there does not seem to be any margin.
>>> Or is there a way to accurately find out the margin below the
>>> frame line and then offset my line coordinate by that margin and then touch
>>> the frame line?
>>>
>>> Thanks,
>>> Milind
>>>
>>>
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>>
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>
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