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Ensure descriptor is always set for coretext font objects

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Kovid Goyal 2017-11-05 20:12:59 +05:30
parent 75e1b30fc1
commit aa1b94aed0
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 8 additions and 16 deletions
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24
kitty/core_text.m
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@ -176,18 +176,11 @@ new(PyTypeObject *type, PyObject *args, PyObject UNUSED *kwds) {
float point_sz, dpi;
if (!PyArg_ParseTuple(args, "Off", &descriptor, &point_sz, &dpi)) return NULL;
self = (Face *)type->tp_alloc(type, 0);
if (self) {
CTFontDescriptorRef desc = font_descriptor_from_python(descriptor);
if (desc) {
self->descriptor = desc;
if (apply_size(self, point_sz, dpi)) {
if (!init_font_names(self)) Py_CLEAR(self);
} else Py_CLEAR(self);
} else {
Py_CLEAR(self);
if (!PyErr_Occurred()) PyErr_NoMemory();
}
}
if (!self) return NULL;
CTFontDescriptorRef desc = font_descriptor_from_python(descriptor);
if (!desc) { Py_CLEAR(self); if(!PyErr_Occurred()) PyErr_NoMemory(); return NULL; }
self->descriptor = desc;
if (!apply_size(self, point_sz, dpi) || !init_font_names(self)) Py_CLEAR(self);
return (PyObject*)self;
}
@ -233,18 +226,17 @@ face_for_text(Face *self, PyObject *args) {
CFRange range = CFRangeMake(0, CFStringGetLength(str));
CFStringGetCharacters(str, range, chars);
CTFontRef font = CTFontCreateForString(self->font, str, range);
if (font == self->font) return (PyObject*)self;
if (font == NULL) { PyErr_SetString(PyExc_ValueError, "Failed to find fallback font"); goto end; }
ans = (Face *)Face_Type.tp_alloc(&Face_Type, 0);
if (ans == NULL) { PyErr_NoMemory(); goto end; }
if (ans == NULL) { CFRelease(font); PyErr_NoMemory(); goto end; }
ans->font = font;
ans->descriptor = self->descriptor; CFRetain(ans->descriptor);
if (!init_font(ans) || !init_font_names(ans)) { Py_CLEAR(ans); goto end; }
ans->point_sz = self->point_sz;
ans->dpi = self->dpi;
end:
CFRelease(str);
if (ans) return (PyObject*)ans;
return NULL;
return (PyObject*)ans;
}
static inline void