Add stylistic sets / open type font feature
Using stylistic set hb_feature code from cog1to's patch. Tested on Fira Code font. Enable/disable the feature within this file, and then sudo make install as usual.
This commit is contained in:
parent
e053bd6036
commit
a3e807043e
1 changed files with 18 additions and 2 deletions
20
hb.c
20
hb.c
|
@ -2,11 +2,25 @@
|
||||||
#include <stdio.h>
|
#include <stdio.h>
|
||||||
#include <math.h>
|
#include <math.h>
|
||||||
#include <X11/Xft/Xft.h>
|
#include <X11/Xft/Xft.h>
|
||||||
|
#include <X11/cursorfont.h>
|
||||||
#include <hb.h>
|
#include <hb.h>
|
||||||
#include <hb-ft.h>
|
#include <hb-ft.h>
|
||||||
|
|
||||||
#include "st.h"
|
#include "st.h"
|
||||||
|
|
||||||
|
#define FEATURE(c1,c2,c3,c4) { .tag = HB_TAG(c1,c2,c3,c4), .value = 1, .start = HB_FEATURE_GLOBAL_START, .end = HB_FEATURE_GLOBAL_END }
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Replace 0 with a list of font features, wrapped in FEATURE macro, e.g.
|
||||||
|
* FEATURE('c', 'a', 'l', 't'), FEATURE('d', 'l', 'i', 'g')
|
||||||
|
*
|
||||||
|
* Uncomment either one of the 2 lines below. Uncomment the prior to disable (any) font features. Uncomment the
|
||||||
|
* latter to enable the (selected) font features.
|
||||||
|
*/
|
||||||
|
|
||||||
|
//hb_feature_t features[] = { 0 };
|
||||||
|
hb_feature_t features[] = { FEATURE('s','s','0','1'), FEATURE('s','s','0','2'), FEATURE('s','s','0','3'), FEATURE('s','s','0','5'), FEATURE('s','s','0','6'), FEATURE('s','s','0','7'), FEATURE('s','s','0','8'), FEATURE('z','e','r','o') };
|
||||||
|
|
||||||
void hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoints, int start, int length);
|
void hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoints, int start, int length);
|
||||||
hb_font_t *hbfindfont(XftFont *match);
|
hb_font_t *hbfindfont(XftFont *match);
|
||||||
|
|
||||||
|
@ -59,7 +73,8 @@ void
|
||||||
hbtransform(XftGlyphFontSpec *specs, const Glyph *glyphs, size_t len, int x, int y)
|
hbtransform(XftGlyphFontSpec *specs, const Glyph *glyphs, size_t len, int x, int y)
|
||||||
{
|
{
|
||||||
int start = 0, length = 1, gstart = 0;
|
int start = 0, length = 1, gstart = 0;
|
||||||
hb_codepoint_t *codepoints = calloc(len, sizeof(hb_codepoint_t));
|
//hb_codepoint_t *codepoints = calloc(len, sizeof(hb_codepoint_t));
|
||||||
|
hb_codepoint_t *codepoints = calloc((unsigned int)len, sizeof(hb_codepoint_t));
|
||||||
|
|
||||||
for (int idx = 1, specidx = 1; idx < len; idx++) {
|
for (int idx = 1, specidx = 1; idx < len; idx++) {
|
||||||
if (glyphs[idx].mode & ATTR_WDUMMY) {
|
if (glyphs[idx].mode & ATTR_WDUMMY) {
|
||||||
|
@ -124,7 +139,8 @@ hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoin
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Shape the segment. */
|
/* Shape the segment. */
|
||||||
hb_shape(font, buffer, NULL, 0);
|
//hb_shape(font, buffer, NULL, 0);
|
||||||
|
hb_shape(font, buffer, features, sizeof(features));
|
||||||
|
|
||||||
/* Get new glyph info. */
|
/* Get new glyph info. */
|
||||||
hb_glyph_info_t *info = hb_buffer_get_glyph_infos(buffer, NULL);
|
hb_glyph_info_t *info = hb_buffer_get_glyph_infos(buffer, NULL);
|
||||||
|
|
Loading…
Reference in a new issue