Clearing bitmaps

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Jon Harrop - 24 Jan 2007 23:17 GMT

How do I clear a bitmap to a single color, or draw a rectangle into a bitmap
to clear it? Do I have to iterate over the pixels myself?

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Dr Jon D Harrop, Flying Frog Consultancy
Objective CAML for Scientists
http://www.ffconsultancy.com/products/ocaml_for_scientists/index.html?usenet

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Herfried K. Wagner [MVP] - 24 Jan 2007 23:31 GMT

"Jon Harrop" <jon@ffconsultancy.com> schrieb:

> How do I clear a bitmap to a single color, or draw a rectangle into a
> bitmap
> to clear it? Do I have to iterate over the pixels myself?

Check out the 'Graphics' class, especially its 'FromImage' and
'FillRectangle' methods.

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M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://dotnet.mvps.org/dotnet/faqs/>

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Ciaran O''Donnell - 25 Jan 2007 09:29 GMT

Bitmap b;
Graphics.FromImage(b).Clear(Color.Red);

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Ciaran O''Donnell
http://wannabedeveloper.spaces.live.com

> "Jon Harrop" <jon@ffconsultancy.com> schrieb:
> > How do I clear a bitmap to a single color, or draw a rectangle into a
[quoted text clipped - 3 lines]
> Check out the 'Graphics' class, especially its 'FromImage' and
> 'FillRectangle' methods.

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Clearing bitmaps

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