[cairo-bugs] [Bug 11612] pack as many glyphs as possible in each cairo_show_glyphs() call

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Feb 4 13:33:07 PST 2008


--- Comment #15 from Adrian Johnson <ajohnson at redneon.com>  2008-02-04 13:33:04 PST ---
One of the problems with calling cairo_show_glyphs() with one glyph at a time
is that when text knockout is true (the default) overlapping transparent glyphs
in each text object will composite with each other. Poppler needs to call
cairo_show_glyphs() with all glyphs in the text object to ensure that the
glyphs do not composite with each other. If TK is false poppler needs to call
cairo_show_glyphs() with one glyph at a time.

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