Editing Images

[kd2017]

This is more of a brainstorming question really. Basically all would want to do is overlay semi-transparent dots on top of schematic drawings anywhere I click on the image. The drawings are bitmaps (png). I'm just highlighting/color coding the schematic drawing.



Thoughts?

I'm afraid I might have to build a standalone python gui tool or something but don't want to go down that road if I don't have to.

[CJ_London]

Possible but complicated. Take a look at Stephen Lebans work. Seem to recall he has an example of creating 3d drawings and the ability to rotate them using an image control

Not saying he has code that does exactly what you want but could show you the way.

Also seem to recall a demo a few years ago where a user could draw lines to highlight property boundaries on a map. That used the web control

[kd2017]

complicated

That's no joke! I found Stephen's website, thanks for the suggestion. He has some some projects that look promising but will apparently need some updating.

I thought about the web control too. Some simple SVG manipulation would be just what I need. But anytime I've tried to mess with the access web control in the past it's been junk. I'll give it another look.

[CJ_London]

Sorry couldn't send the link, was on my phone. Yeah - a lot of it is old, but still has relevance for many things

[kd2017]

No worries.

Good news is I have a working proof of concept using the web browser control!

The control source of the web browser control is an SVG file. The svg file has the png linked as background image. On the web browser control's on click event I call GetCursorPos api function to figure out where the mouse click was, then use those coords to build a svg circle element and append that to the svg file, finally "refresh" the browser.

This appears to work just fine. The problem I have now is that a need a way to get the web browser control's x and y coordinates in pixels in order to calculate relative coords of the mouse click on the web browser control.

[CJ_London]

The problem I have now is that a need a way to get the web browser control's x and y coordinates in pixels in order to calculate relative coords of the mouse click on the web browser control.

If I remember correctly there are 15 twips per pixel so just divide by 15. google 'vba twips to pixels' and again, Stephen Lebans has done work on this

[isladogs]

You may find some useful info and code in my article Accurately Move Forms & Controls (isladogs.co.uk)