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fix(fontmanager): Make sure font contains characters

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This commit is contained in:
Michael Carlberg 2016-10-29 21:27:51 +02:00
parent c3969e85ef
commit 41ba9beeee
1 changed files with 8 additions and 5 deletions
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7
include/components/x11/fontmanager.hpp
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@ -188,17 +188,20 @@ class fontmanager {
m_logger.trace("Found X font '%s'", fontname);
auto query = m_connection.query_font(xfont);
if (query->char_infos_len == 0) {
m_logger.warn("X font '%s' does not contain any characters... (Verify the XLFD string)", fontname);
return false;
}
fontptr->descent = query->font_descent;
fontptr->height = query->font_ascent + query->font_descent;
fontptr->width = query->max_bounds.character_width;
fontptr->char_max = query->max_byte1 << 8 | query->max_char_or_byte2;
fontptr->char_min = query->min_byte1 << 8 | query->min_char_or_byte2;
if (query->char_infos_len > 0) {
auto chars = query.char_infos();
for (auto it = chars.begin(); it != chars.end(); it++)
fontptr->width_lut.emplace_back(forward<xcb_charinfo_t>(*it));
}
fontptr->ptr = xfont;