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Cleanup some used memory

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This commit is contained in:
Kovid Goyal 2021-03-31 15:29:28 +05:30
parent dd2b6119b3
commit f3665ddfab
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 13 additions and 4 deletions
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17
kitty/freetype_render_ui_text.c
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@ -53,6 +53,7 @@ free_face(Face *face) {
if (face->freetype) FT_Done_Face(face->freetype);
if (face->hb) hb_font_destroy(face->hb);
for (size_t i = 0; i < face->count; i++) free_face(face->fallbacks + i);
free(face->fallbacks);
memset(face, 0, sizeof(Face));
}
@ -291,7 +292,9 @@ find_fallback_font_for(char_type codep, char_type next_codep) {
if (!fallback_font(codep, main_face_family.name, main_face_family.bold, main_face_family.italic, prefer_color, &q)) return NULL;
ensure_space_for(&main_face, fallbacks, Face, main_face.count + 1, capacity, 8, true);
Face *ans = main_face.fallbacks + main_face.count;
if (!load_font(&q, ans)) return NULL;
bool ok = load_font(&q, ans);
free(q.path);
if (!ok) return NULL;
main_face.count++;
return ans;
}
@ -332,8 +335,11 @@ render_single_line(const char *text, pixel fg, pixel bg, uint8_t *output_buf, si
if (!has_text) return true;
hb_buffer_clear_contents(hb_buffer);
if (!hb_buffer_pre_allocate(hb_buffer, 512)) { PyErr_NoMemory(); return false; }
size_t text_len = strlen(text);
char_type *unicode = calloc(sizeof(char_type), text_len + 1);
if (!unicode) { PyErr_NoMemory(); return false; }
bool ok = false;
text_len = decode_utf8_string(text, text_len, unicode);
RenderState rs = {
.current_face = &main_face, .fg = fg, .bg = bg, .output_width = width, .output_height = height,
@ -341,14 +347,17 @@ render_single_line(const char *text, pixel fg, pixel bg, uint8_t *output_buf, si
};
for (size_t i = 0; i < text_len && rs.x < rs.output_width; i++) {
process_codepoint(&rs, unicode[i], unicode[i + 1]);
if (!process_codepoint(&rs, unicode[i], unicode[i + 1])) goto end;
}
if (rs.pending_in_buffer && rs.x < rs.output_width) {
if (!render_run(&rs)) return false;
if (!render_run(&rs)) goto end;
rs.pending_in_buffer = 0;
hb_buffer_clear_contents(hb_buffer);
}
return true;
ok = true;
end:
free(unicode);
return ok;
}