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Workaround for fontconfig returning junk in all but the lowest eight bits for FC_INDEX

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Fixes #7263
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Kovid Goyal 2024-03-26 18:32:44 +05:30
parent 351e96ca75
commit d2c21ee297
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GPG key ID: 06BC317B515ACE7C
1 changed files with 5 additions and 2 deletions
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7
kitty/fontconfig.c
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@ -147,6 +147,8 @@ pyspacing(int val) {
#undef S
}
static PyObject*
pyindex(long x) { return PyLong_FromLong(x & 0xffff); }
static PyObject*
pattern_as_dict(FcPattern *pat) {
@ -190,7 +192,7 @@ pattern_as_dict(FcPattern *pat) {
I(FC_WIDTH, width)
I(FC_SLANT, slant);
I(FC_HINT_STYLE, hint_style);
I(FC_INDEX, index);
G(int, FcPatternGetInteger, FC_INDEX, pyindex, index);
I(FC_RGBA, subpixel);
I(FC_LCD_FILTER, lcdfilter);
B(FC_HINTING, hinting);
@ -311,6 +313,7 @@ _native_fc_match(FcPattern *pat, FontConfigFace *ans) {
#undef g
ans->path = strdup((char*)out);
if (!ans->path) { PyErr_NoMemory(); goto end; }
ans->index &= 0xffff;
ok = true;
end:
if (match != NULL) FcPatternDestroy(match);
@ -403,7 +406,7 @@ specialize_font_descriptor(PyObject *base_descriptor, FONTS_DATA_HANDLE fg) {
if (pat == NULL) return PyErr_NoMemory();
long face_idx = MAX(0, PyLong_AsLong(idx));
AP(FcPatternAddString, FC_FILE, (const FcChar8*)PyUnicode_AsUTF8(p), "path");
AP(FcPatternAddInteger, FC_INDEX, face_idx, "index");
AP(FcPatternAddInteger, FC_INDEX, face_idx & 0xffff, "index");
AP(FcPatternAddDouble, FC_SIZE, fg->font_sz_in_pts, "size");
AP(FcPatternAddDouble, FC_DPI, (fg->logical_dpi_x + fg->logical_dpi_y) / 2.0, "dpi");
ans = _fc_match(pat);