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Eliad Moshe

GDI & small ellipses

6 posts in this topic

Hi Friends,

I am crafting a win32 based Tabs custom control such as in Visual Studio or in Chrome.

I am trying to match a close button as a small circle, when the cursor hovers on top of a specific tab, using the Ellipse function.

Although, I noticed that small ellipses are drawn not smooth as I expected.

Any suggestions?

[attachment=11717:tab_ex8.jpg]

* print_screen eliminates the cursor, it is on top of the bright blue tab to the right. Edited by Eliad Moshe
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Thanks SiCrane for the helpful information.

Option #2 seems to be the right path for me.

I wish Microsoft could release their IE &| VS Tabs widget and spare us the joy of reinventing the wheel.
There is a nice open source project named mCtrl that supply such control, although without a drag & drop functionality. Edited by Eliad Moshe
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I would definitely pre-render it in Photoshop or whatever and save as a PNG with an anti-aliased edge burnt in as alpha, and then include the PNG in the project as a resource. Much easier this way -- the only thing you lose is the ability to dynamically change its size, although if you really want this you could pre-render to a number of sizes and include them all or make the resource image too large and scale down to the size that you want.
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It is indeed the most comfortable path, no doubts.
Option #2 seems to be more relevant because the tabs control is part of my header only GUI API.
For my domain specific needs a fixed size should suffice.
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If you go the DrawText() route a black circle is a Unicode code point: U+25CF ?. Not every font will have it, but you won't be limited to a single font like webdings.
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