SetStretchBltMode() equivalent in Java?

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Swengtoo - 27 Oct 2003 22:51 GMT

Is there in Java an equivalent to the Windows GDI function
SetStretchBltMode()?

I am already familiar with the drawImage() method of the Graphics
class. I successfully load and display an image using this method, but
I would like to be able to modify the default stretching mode of
drawImage(). More specifically, I am looking for the equivalent of
STRETCH_ORSCANS:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/bitmaps_6cth.asp

Any clues, hints or pointers would be highly appreciated.

TIA,
Swengtoo

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Thomas Weidenfeller - 28 Oct 2003 09:35 GMT

> Is there in Java an equivalent to the Windows GDI function
> SetStretchBltMode()?

Set a RenderingHint (there aren't too many regarding interpolation),
and try if your system adhears to the hint.

/Thomas

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Swengtoo - 30 Oct 2003 16:27 GMT

> > Is there in Java an equivalent to the Windows GDI function
> > SetStretchBltMode()?
>
> Set a RenderingHint (there aren't too many regarding interpolation),
> and try if your system adhears to the hint.

Thomas, thank you very much. I tried VALUE_INTERPOLATION_BICUBIC,
VALUE_INTERPOLATION_BILINEAR and VALUE_INTERPOLATION_NEAREST_NEIGHBOR,
but they don't give me what I need (STRETCH_ORSCANS).

It seems that I need to define my own rendering hint. Unfortunately, I
couldn't find much information about how this feature work. I read the
following:

http://java.sun.com/products/jdk/1.2/docs/guide/2d/spec/j2d-awt.fm3.html#65412
http://java.sun.com/j2se/1.4.2/docs/api/java/awt/RenderingHints.html
http://java.sun.com/docs/books/tutorial/2d/display/quality.html

But this a far cry from the depth of information I need about this
feature. Any idea where I can find more material about this? (web URLs
would be super!)

Thanks,
Swengtoo

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ak - 05 Nov 2003 08:32 GMT

Can you tell me why you need this function?

> > > Is there in Java an equivalent to the Windows GDI function
> > > SetStretchBltMode()?
[quoted text clipped - 9 lines]
> couldn't find much information about how this feature work. I read the
> following:

http://java.sun.com/products/jdk/1.2/docs/guide/2d/spec/j2d-awt.fm3.html#654
12

> http://java.sun.com/j2se/1.4.2/docs/api/java/awt/RenderingHints.html
> http://java.sun.com/docs/books/tutorial/2d/display/quality.html
[quoted text clipped - 5 lines]
> Thanks,
> Swengtoo

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SetStretchBltMode() equivalent in Java?

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