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pango: add fixes for vertical alignment issues affecting CJK fonts

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bakkeby 2024-05-17 15:28:37 +02:00
parent a686ac9b72
commit 4f71e5593e
1 changed files with 12 additions and 8 deletions
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20
drw.c
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@ -365,10 +365,10 @@ int
drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lpad, const char *text, int invert, Bool markup) drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lpad, const char *text, int invert, Bool markup)
{ {
char buf[1024]; char buf[1024];
int ty; int i, ty, th;
unsigned int ew; unsigned int ew, eh;
XftDraw *d = NULL; XftDraw *d = NULL;
size_t i, len; size_t len;
int render = x || y || w || h; int render = x || y || w || h;
if (!drw || (render && !drw->scheme) || !text || !drw->font) if (!drw || (render && !drw->scheme) || !text || !drw->font)
@ -393,10 +393,14 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
len = strlen(text); len = strlen(text);
if (len) { if (len) {
drw_font_getexts(drw->font, text, len, &ew, NULL, markup); drw_font_getexts(drw->font, text, len, &ew, &eh, markup);
th = eh;
/* shorten text if necessary */ /* shorten text if necessary */
for (len = MIN(len, sizeof(buf) - 1); len && ew > w; len--) for (len = MIN(len, sizeof(buf) - 1); len && ew > w; len--) {
drw_font_getexts(drw->font, text, len, &ew, NULL, markup); drw_font_getexts(drw->font, text, len, &ew, &eh, markup);
if (eh > th)
th = eh;
}
if (len) { if (len) {
memcpy(buf, text, len); memcpy(buf, text, len);
@ -406,7 +410,7 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
; /* NOP */ ; /* NOP */
if (render) { if (render) {
ty = y + (h - drw->font->h) / 2; ty = y + (h - th) / 2;
if (markup) if (markup)
pango_layout_set_markup(drw->font->layout, buf, len); pango_layout_set_markup(drw->font->layout, buf, len);
else else
@ -650,7 +654,7 @@ drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned int *w,
if (w) if (w)
*w = r.width / PANGO_SCALE; *w = r.width / PANGO_SCALE;
if (h) if (h)
*h = font->h; *h = r.height / PANGO_SCALE;
} }
#else #else
void void