diff options
author | Miles Alan <m@milesalan.com> | 2021-08-07 21:34:35 -0400 |
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committer | rafa_99 <raroma09@gmail.com> | 2021-08-12 18:54:14 +0100 |
commit | 9bf7b1558bffed7310748880d80cbbe4119aff57 (patch) | |
tree | cd3d311786107d73f1fe965aa3b73858f8c0d79d | |
parent | e565651366ee8891a02a534ae64286ec9b268ce9 (diff) |
Improve speed of drw_text when provided with large strings
Calculates len & ew in drw_font_getexts loop by incrementing instead of
decrementing; as such avoids proportional increase in time spent in loop
based on provided strings size.
-rw-r--r-- | drw.c | 7 |
1 files changed, 5 insertions, 2 deletions
@@ -310,8 +310,11 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp if (utf8strlen) { drw_font_getexts(usedfont, utf8str, utf8strlen, &ew, NULL); /* shorten text if necessary */ - for (len = MIN(utf8strlen, sizeof(buf) - 1); len && ew > w; len--) - drw_font_getexts(usedfont, utf8str, len, &ew, NULL); + if (ew > w) + for (ew = 0, len = 0; ew < w - lpad * 2 && len < MIN(utf8strlen, sizeof(buf) - 1); len++) + drw_font_getexts(usedfont, utf8str, len, &ew, NULL); + else + len = MIN(utf8strlen, sizeof(buf) - 1); if (len) { memcpy(buf, utf8str, len); |