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Dont crash on pcf fonts 

* for pcf fonts EM square is 0 and ascent and descent are 0
 * TODO: get these things to render correctly


SVN revision: 21404
This commit is contained in:
stffrdhrn 2006-03-19 10:50:33 +00:00 committed by stffrdhrn
parent ec8cd4cc08
commit a14f932770
1 changed files with 10 additions and 0 deletions
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10
legacy/evas/src/lib/engines/common/evas_font_main.c
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@ -38,6 +38,8 @@ evas_common_font_ascent_get(RGBA_Font *fn)
evas_common_font_size_use(fn);
fi = fn->fonts->data;
val = (int)fi->src->ft.face->size->metrics.ascender;
if (fi->src->ft.face->units_per_EM == 0)
return val;
dv = (fi->src->ft.orig_upem * 2048) / fi->src->ft.face->units_per_EM;
ret = (val * fi->src->ft.face->size->metrics.y_scale) / (dv * dv);
return ret;
@ -53,6 +55,8 @@ evas_common_font_descent_get(RGBA_Font *fn)
evas_common_font_size_use(fn);
fi = fn->fonts->data;
val = -(int)fi->src->ft.face->size->metrics.descender;
if (fi->src->ft.face->units_per_EM == 0)
return val;
dv = (fi->src->ft.orig_upem * 2048) / fi->src->ft.face->units_per_EM;
ret = (val * fi->src->ft.face->size->metrics.y_scale) / (dv * dv);
return ret;
@ -68,6 +72,8 @@ evas_common_font_max_ascent_get(RGBA_Font *fn)
evas_common_font_size_use(fn);
fi = fn->fonts->data;
val = (int)fi->src->ft.face->bbox.yMax;
if (fi->src->ft.face->units_per_EM == 0)
return val;
dv = (fi->src->ft.orig_upem * 2048) / fi->src->ft.face->units_per_EM;
ret = (val * fi->src->ft.face->size->metrics.y_scale) / (dv * dv);
return ret;
@ -83,6 +89,8 @@ evas_common_font_max_descent_get(RGBA_Font *fn)
evas_common_font_size_use(fn);
fi = fn->fonts->data;
val = -(int)fi->src->ft.face->bbox.yMin;
if (fi->src->ft.face->units_per_EM == 0)
return val;
dv = (fi->src->ft.orig_upem * 2048) / fi->src->ft.face->units_per_EM;
ret = (val * fi->src->ft.face->size->metrics.y_scale) / (dv * dv);
return ret;
@ -98,6 +106,8 @@ evas_common_font_get_line_advance(RGBA_Font *fn)
evas_common_font_size_use(fn);
fi = fn->fonts->data;
val = (int)fi->src->ft.face->size->metrics.height;
if (fi->src->ft.face->units_per_EM == 0)
return val;
dv = (fi->src->ft.orig_upem * 2048) / fi->src->ft.face->units_per_EM;
ret = (val * fi->src->ft.face->size->metrics.y_scale) / (dv * dv);
return ret;