373 static size_t
374 text_layout_fallback(
375     PyObject *string,
376     FontObject *self,
377     const char *dir,
378     PyObject *features,
379     const char *lang,
380     GlyphInfo **glyph_info,
381     int mask,
382     int color) {
383     int error, load_flags;
384     FT_ULong ch;
385     Py_ssize_t count;
386     FT_GlyphSlot glyph;
387     FT_Bool kerning = FT_HAS_KERNING(self->face);
when treating unknown struct FT_FaceRec_ * from src/_imagingft.c:387 as non-NULL
388     FT_UInt last_index = 0;
389     int i;
390 
391     if (features != Py_None || dir != NULL || lang != NULL) {
taking True path
392         PyErr_SetString(
calling PyErr_SetString()
393             PyExc_KeyError,
394             "setting text direction, language or font features is not supported "
395             "without libraqm");
396     }
397     if (!PyUnicode_Check(string)) {
when considering range: 1 <= value <= 0x10000000
taking False path
398         PyErr_SetString(PyExc_TypeError, "expected string");
399         return 0;
400     }
401 
402     count = 0;
403     while (font_getchar(string, count, &ch)) {
when considering range: -0x80000000 <= value <= -1
taking True path
when considering value == (int)0 from src/_imagingft.c:403
taking False path
404         count++;
405     }
406     if (count == 0) {
taking False path
407         return 0;
408     }
409 
410     (*glyph_info) = PyMem_New(GlyphInfo, count);
taking True path
when PyMem_Malloc() succeeds
when treating unknown struct GlyphInfo * * from src/_imagingft.c:380 as non-NULL
411     if ((*glyph_info) == NULL) {
taking False path
412         PyErr_SetString(PyExc_MemoryError, "PyMem_New() failed");
413         return 0;
414     }
415 
416     load_flags = FT_LOAD_DEFAULT;
417     if (mask) {
when considering range: -0x80000000 <= value <= -1
taking True path
418         load_flags |= FT_LOAD_TARGET_MONO;
419     }
420 #ifdef FT_LOAD_COLOR
421     if (color) {
when considering range: -0x80000000 <= value <= -1
taking True path
422         load_flags |= FT_LOAD_COLOR;
423     }
424 #endif
425     for (i = 0; font_getchar(string, i, &ch); i++) {
when considering range: 1 <= value <= 0x7fffffff
taking True path
426         (*glyph_info)[i].index = FT_Get_Char_Index(self->face, ch);
427         error = FT_Load_Glyph(self->face, (*glyph_info)[i].index, load_flags);
428         if (error) {
when considering range: -0x80000000 <= value <= -1
taking True path
429             geterror(error);
when geterror() succeeds
new ref from (unknown) geterror was allocated at:             geterror(error);
ob_refcnt is now refs: 1 owned
430             return 0;
431         }
432         glyph = self->face->glyph;
433         (*glyph_info)[i].x_offset = 0;
434         (*glyph_info)[i].y_offset = 0;
435         if (kerning && last_index && (*glyph_info)[i].index) {
436             FT_Vector delta;
437             if (FT_Get_Kerning(
438                     self->face,
439                     last_index,
440                     (*glyph_info)[i].index,
441                     ft_kerning_default,
442                     &delta) == 0) {
443                 (*glyph_info)[i - 1].x_advance += PIXEL(delta.x);
444                 (*glyph_info)[i - 1].y_advance += PIXEL(delta.y);
445             }
446         }
447 
448         (*glyph_info)[i].x_advance = glyph->metrics.horiAdvance;
449         // y_advance is only used in ttb, which is not supported by basic layout
450         (*glyph_info)[i].y_advance = 0;
451         last_index = (*glyph_info)[i].index;
452         (*glyph_info)[i].cluster = ch;
453     }
454     return count;
455 }