[Cairo] Text APIs round 2

Kai Wetzel kai.wetzel1 at freenet.de
Thu Aug 14 11:53:55 PDT 2003

On Thursday 14 August 2003 01:49, Keith Packard wrote:
> 	typedef struct cairo_glyph {
> 	    cairo_font_t *font;
> 	    FT_UInt      id;
> 	    double x;
> 	    double y;
> 	} cairo_glyph_t;
> 	void
> 	cairo_show_glyphs (cairo_t *ct, cairo_glyph_t *glyphs, int num_glyphs);
> 	void
> 	cairo_glyph_path (cairo_t *ct, cairo_glyph_t *glyphs, int num_glyphs);
Why not drop the explicite font from the glyph struct and use the current
font ? In most cases the number of fonts in use is significantly smaller then
the number of glyphs in a given piece of text. This also makes it a little
bit more suitable for display-list construction because the font references
don't have to be dereferenced at the time the list is constructed. (In 
contrast, code-points and positions can be copied directly.)


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