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Re: Analysis of redisplay performance on Windows
From: |
Jason Rumney |
Subject: |
Re: Analysis of redisplay performance on Windows |
Date: |
Mon, 28 Jul 2008 08:04:46 +0100 |
User-agent: |
Thunderbird 2.0.0.16 (Windows/20080708) |
Chong Yidong wrote:
> Jason Rumney <address@hidden> writes:
>
>> As I suggested in my earlier email, new functions in the
>> font backend interface to select a font for working with and releasing
>> it when done, would help, as we could then skip doing this in
>> functions like encode_char and text_extents.
>
> Could you suggest precisely what interface we need? I.e., could you
> suggest function names and rough docstrings?
/* Optional.
Begin using a font exclusively.
Backends may setup the FONT for use on frame F here so that it
does not need setting up in every call to the encode_char,
text_metrics or draw functions. The font remains current
until done_font is called. */
functions.
void (*use_font) P_ ((FRAME_PTR f, struct font *font));
/* Optional.
Finish using a font exclusively.
Backends may undo the actions of use_font here. */
void (*done_font) P_ ((FRAME_PTR f, struct font *font));
- Re: Analysis of redisplay performance on Windows, Chong Yidong, 2008/07/26
- Re: Analysis of redisplay performance on Windows, Jason Rumney, 2008/07/27
- Re: Analysis of redisplay performance on Windows, Chong Yidong, 2008/07/27
- Re: Analysis of redisplay performance on Windows, Jason Rumney, 2008/07/27
- Re: Analysis of redisplay performance on Windows, Chong Yidong, 2008/07/27
- Re: Analysis of redisplay performance on Windows, Jason Rumney, 2008/07/27
- Re: Analysis of redisplay performance on Windows, Chong Yidong, 2008/07/27
- Re: Analysis of redisplay performance on Windows, Adrian Robert, 2008/07/27
- Re: Analysis of redisplay performance on Windows, Chong Yidong, 2008/07/28
- Re: Analysis of redisplay performance on Windows,
Jason Rumney <=
- Re: Analysis of redisplay performance on Windows, Kevin Yu, 2008/07/27
- Re: Analysis of redisplay performance on Windows, YAMAMOTO Mitsuharu, 2008/07/28
- Re: Analysis of redisplay performance on Windows, YAMAMOTO Mitsuharu, 2008/07/28
- Re: Analysis of redisplay performance on Windows, Jason Rumney, 2008/07/30