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hb-graphite now no longer has -ve advances within clusters. Fix infinite loop in tag_to_script(). python fixed to use tag_to_script and allow hbtestfont to be passed font files, where fontconfig knows about them.

This commit is contained in:
Martin Hosken 2010-05-24 13:25:37 +01:00
parent e5bed0a37f
commit 3109a86add
4 changed files with 10 additions and 5 deletions
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4
contrib/python/lib/harfbuzz.pyx
View File

@ -41,7 +41,7 @@ cdef extern from "hb-language.h" :
char * hb_language_to_string(hb_language_t language)
cdef extern from "hb-ot-tag.h" :
hb_script_t hb_ot_tag_to_script (char *sname)
hb_script_t hb_ot_tag_to_script (hb_tag_t tag)
cdef extern from "hb-buffer.h" :
ctypedef struct hb_buffer_t :
@ -141,7 +141,7 @@ cdef class buffer :
cdef hb_script_t scriptnum
language = hb_language_from_string(lang)
scriptnum = hb_ot_string_to_script(script)
scriptnum = hb_ot_tag_to_script(hb_tag_from_string(script))
hb_buffer_set_script(self.buffer, scriptnum)
hb_buffer_set_language(self.buffer, language)

6
contrib/python/scripts/hbtestfont
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@ -20,7 +20,11 @@ p.add_option('-d', '--debug', action='store_true', help="Output trace info")
p.add_option('--nogui', action='store_true', help="Don't display a gui")
(opts, args) = p.parse_args()
fpat = opts.font + ":weight="
if opts.font.lower().endswith(".ttf") :
fpat = ":file="
else :
fpat = ""
fpat += opts.font + ":weight="
fpat += "bold" if opts.bold else "medium"
fpat += ":slant="
fpat += "italic" if opts.italic else "roman"

4
src/hb-graphite.cc
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@ -291,8 +291,8 @@ hb_graphite_shape (hb_font_t *font,
pPosition->y_offset = iGlyph->yOffset() - curradvy;
pPosition->x_advance = pPosition->x_offset + iGlyph->advanceWidth();
pPosition->y_advance = pPosition->y_offset + iGlyph->advanceHeight();
// if (pPosition->x_advance < 0)
// pPosition->x_advance = 0;
if (pPosition->x_advance < 0 && iGlyph->logicalIndex() != iGlyph->attachedClusterBase()->logicalIndex())
pPosition->x_advance = 0;
curradvx += pPosition->x_advance;
curradvy += pPosition->y_advance;
// fprintf(stderr, "%d@(%f, %f)+(%f, %f)\n", iGlyph->glyphID(), iGlyph->origin(), iGlyph->yOffset(), iGlyph->advanceWidth(), iGlyph->advanceHeight());

1
src/hb-ot-tag.c
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@ -161,6 +161,7 @@ hb_ot_tag_to_script (hb_tag_t tag)
while (*p)
if (tag == *p)
return i;
p++;
}
return HB_SCRIPT_UNKNOWN;