[PyOpenGL-Users] [ pyopengl-Feature Requests-452946 ] Font modules
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[PyOpenGL-Users] [ pyopengl-Feature Requests-452946 ] Font modules
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From: SourceForge.net <no...@so...> - 2003-06-05 07:33:54
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Feature Requests item #452946, was opened at 2001-08-19 11:00 Message generated for change (Comment added) made by mcfletch You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=355988&aid=452946&group_id=5988 Category: new module >Group: OpenGLContext v2.0 >Status: Closed >Resolution: Accepted Priority: 3 Submitted By: Tarn Weisner Burton (twburton) >Assigned to: Mike C. Fletcher (mcfletch) Summary: Font modules Initial Comment: Create font modules. Targets: bitmap + outline. It would be nice if out lines could be sent to GLE methods: 1) wrap GLTT (see http://gltt.sf.net) -> under GPL! Also doesn't interface with GLE 2) Use PyFT to create own variant of GLTT. Problem with this is that PyFT is under GPL, even though Freetype can be used with either BSD/GPL. Also PyFT is Freetype1 not Freetype2. 3) Wrap Freetype2 and write own python code. 4) write own C version of GLTT that uses Freetype. 5) Use python FontTools? (No rasterizer) 6) expose platform specific bitmap font capabilities through WGL, AGL, GLX, etc. or come up with common call. ---------------------------------------------------------------------- >Comment By: Mike C. Fletcher (mcfletch) Date: 2003-06-05 03:33 Message: Logged In: YES user_id=34901 Okay, now have the following in a fairly decent framework in OpenGLContext.scenegraph.text: fonttools -- provides outline or polygonal fonts, including capping and extrusion. Cross-platform, requires only fonttools, GL, GLU and GLE. Uses TTF files directly. (Note: there are trivial dependencies on OpenGLContext, nothing that couldn't be stripped out in a few hours if someone wanted to use the lib outside of OpenGLContext). Can extract font-names from those font-files of which it's made aware. pygame -- provides antialiased rendering of fonts into images, cross-platform, requires pygame and the attendant libraries, including SDL_ttf. Uses TTF files directly. Has no way to find out font-face or font-family names. wxPython -- provides non-antialiased rendering of fonts into images, cross-platform (but not cross-context), requires wxPython. Has access to registered system fonts and can use font-names instead of filenames to reference fonts, can't load TTF files directly. GLUT -- fallback provider, in case none of the others is available, provides non-antialiased glBitmap display of ASCII 7-bit characters in a small range of fonts and sizes. WGL -- provides polygonal fonts on Win32 (bitmap fonts are missing metrics) The image-based types are all currently doing glDrawPixels rendering, will likely be adding a texture-based version eventually as well. I'm marking the general request "closed", feel free to open more specific requests anybody. ---------------------------------------------------------------------- Comment By: Mike C. Fletcher (mcfletch) Date: 2002-06-27 19:35 Message: Logged In: YES user_id=34901 Python fonttools project does a nice job of giving you the shells for the code, I'm playing around with making a run-time renderer with it. As noted, no rasteriser, however, so have to roll both geometry and raster-mode implementations. ---------------------------------------------------------------------- Comment By: Mike C. Fletcher (mcfletch) Date: 2002-01-17 04:25 Message: Logged In: YES user_id=34901 Another possible option: http://oglft.sourceforge.net/ -- LGPL, (apparently) same basic functionality as GLTT, based on FreeType2. Claims to be 0.0 status, but has what looks to be fairly close to a completed OGLFT.CPP (haven't tested it's functionality, just browsed the code). Note that it's C++, not C, code. By the look of it, could be its own module, rather than being part of the base PyOpenGL module (especially given the license), as it's interactions are all self-contained (you pass in strings, booleans, etceteras, there's no arrays/callbacks). Has all the bells+whistles you'd want (multiple 2D and 3D formats, extrusions with GLE, use of truetype, etceteras). ---------------------------------------------------------------------- Comment By: Mike C. Fletcher (mcfletch) Date: 2002-01-17 04:02 Message: Logged In: YES user_id=34901 Another possible option: http://oglft.sourceforge.net/ -- LGPL, (apparently) same basic functionality as GLTT, based on FreeType2. Claims to be 0.0 status, but has what looks to be fairly close to a completed OGLFT.CPP (haven't tested it's functionality, just browsed the code). Note that it's C++, not C, code. By the look of it, could be its own module, rather than being part of the base PyOpenGL module (especially given the license), as it's interactions are all self-contained (you pass in strings, booleans, etceteras, there's no arrays/callbacks). Has all the bells+whistles you'd want (multiple 2D and 3D formats, extrusions with GLE, use of truetype, etceteras). ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=355988&aid=452946&group_id=5988 |
