Re: [Freetype] Can I get FreeType to generate a bitmap (not including the space around it) of a specified size?

[Henry Maddocks]

Unless I miss understand you, you are creating one texture per 
glyph/character. This is NOT a good idea. This means that you will have 
to do a texture bind for every character which is one of the slowest 
operations you can do. It is far better to draw a whole font onto one 
large texture then use the texture coordinates to draw the glyph. This 
way will also make it easier to use ^2 texture sizes. Have a look at my 
lib to see how it can be done.

http://homepages.paradise.net.nz/henryj/code/index.html

Bear in mind though that this is beta and the texture font stuff will be 
vastly improved in the near future.

Henry


On Sunday, August 12, 2001, at 04:59  AM, Niklas Hoglund wrote:

> I'm rendering a font I load using freetype with OpenGL, as textures on
> quads.  The problem I have is that OpenGL wants all textures to have
> width and height both a power of two.  Is there a way to tell FreeType
> to render a (scalable) font at an exact power of two size?  I tried
> using FT_Set_Pixel_Sizes(face, 256, 256), but that makes the entire
> character a power of two, not just the bitmap. (Of course, I could use
> this and copy the bitmap into the corner of a larger bitmap, but this
> is wasteful of graphics memory.)
>
> Thanks in advance for any help.
>
> --
>                                                 Niklas
>
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