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Re: Basic character set analyzer [message #20005 is a reply to message #19997]

Mon, 09 February 2009 08:47

mirek is currently offline

mirek
Messages: 14261
Registered: November 2005

Ultimate Member

cbpporter wrote on Sun, 08 February 2009 06:55

A little info about the second and final change I need to Draw.

I've added some fields to CharMetrics and some methods to FontInfo. These changes are ad-hoc hacks, and I really need a better integrated solution with proper names.
[code]struct CharMetrics : Moveable<CharMetrics> {
int width;
int lspc;
int rspc;
int y;
int height;
int x;
int ew;

bool operator==(const CharMetrics& b) const
{ return width == b.width && lspc == b.lspc && rspc == b.rspc; }

Not really happy about it -> it makes CharMetrics too long.

I think we should read this directly, not to cache this.

I think that, at the end, we should in fact cache 'direct translation'. At the heart of font system there should be a function like:

struct RenderGlyph {
    int chr;
    Font fnt;
    int aux_chr; // == 0 -> no aux glyph
    Font aux_fnt;
    int16 aux_x, aux_y;
};

RenderGlyph GetRenderGlyph(int chr, Font fnt);

and we should cache it at this phase. We can easily afford to cache tens of thousands of such pairs.

Mirek

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[Message index]

		Basic character set analyzer By: cbpporter on Sat, 13 December 2008 11:26
		Re: Basic character set analyzer By: cbpporter on Wed, 17 December 2008 11:21
		Re: Basic character set analyzer By: cbpporter on Wed, 17 December 2008 17:18
		Re: Basic character set analyzer By: mirek on Thu, 18 December 2008 11:34
		Re: Basic character set analyzer By: cbpporter on Sat, 24 January 2009 11:02
		Re: Basic character set analyzer By: mirek on Sat, 24 January 2009 14:00
		Re: Basic character set analyzer By: cbpporter on Sun, 25 January 2009 10:14
		Re: Basic character set analyzer By: mirek on Sun, 25 January 2009 10:56
		Re: Basic character set analyzer By: cbpporter on Wed, 28 January 2009 19:53
		Re: Basic character set analyzer By: mirek on Fri, 30 January 2009 08:53
		Re: Basic character set analyzer By: cbpporter on Fri, 30 January 2009 09:15
		Re: Basic character set analyzer By: mirek on Fri, 30 January 2009 09:28
		Re: Basic character set analyzer By: cbpporter on Fri, 30 January 2009 09:59
		Re: Basic character set analyzer By: cbpporter on Sat, 31 January 2009 13:22
		Re: Basic character set analyzer By: mr_ped on Sat, 31 January 2009 14:18
		Re: Basic character set analyzer By: cbpporter on Sun, 01 February 2009 00:53
		Re: Basic character set analyzer By: cbpporter on Sun, 01 February 2009 16:03
		Re: Basic character set analyzer By: mirek on Mon, 02 February 2009 09:40
		Re: Basic character set analyzer By: cbpporter on Mon, 02 February 2009 11:19
		Re: Basic character set analyzer By: mirek on Sat, 07 February 2009 14:53
		Re: Basic character set analyzer By: cbpporter on Sun, 08 February 2009 12:45
		Re: Basic character set analyzer By: cbpporter on Sun, 08 February 2009 12:55
		Re: Basic character set analyzer By: mirek on Mon, 09 February 2009 08:47
		Re: Basic character set analyzer By: cbpporter on Mon, 09 February 2009 18:38
		Re: Basic character set analyzer By: mirek on Mon, 09 February 2009 08:42

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