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Merge pull request #80777 from bruvzg/ts_char_issues
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[TextServer] Fix issues with character breaks, add more tests.
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akien-mga committed Aug 19, 2023
2 parents f2f8cfb + 07d859d commit 91cc7aa
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Showing 4 changed files with 97 additions and 10 deletions.
7 changes: 3 additions & 4 deletions modules/text_server_adv/text_server_adv.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -4864,8 +4864,7 @@ void TextServerAdvanced::_update_chars(ShapedTextDataAdvanced *p_sd) const {
while (i + 1 < spans.size() && language == spans[i + 1].language) {
i++;
}
int r_end = MIN(spans[i].end - p_sd->start, p_sd->text.size());

int r_end = MIN(spans[i].end - p_sd->start, p_sd->text.length());
UBreakIterator *bi = ubrk_open(UBRK_CHARACTER, (language.is_empty()) ? TranslationServer::get_singleton()->get_tool_locale().ascii().get_data() : language.ascii().get_data(), data + _convert_pos_inv(p_sd, r_start), _convert_pos_inv(p_sd, r_end - r_start), &err);
if (U_SUCCESS(err)) {
while (ubrk_next(bi) != UBRK_DONE) {
Expand All @@ -4877,9 +4876,9 @@ void TextServerAdvanced::_update_chars(ShapedTextDataAdvanced *p_sd) const {
}
ubrk_close(bi);
} else {
for (int j = r_start; j <= r_end; j++) {
for (int j = r_start; j < r_end; j++) {
if (prev != j) {
p_sd->chars.push_back(j + p_sd->start);
p_sd->chars.push_back(j + 1 + p_sd->start);
}
prev = j;
}
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12 changes: 9 additions & 3 deletions modules/text_server_fb/text_server_fb.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -4084,11 +4084,17 @@ PackedInt32Array TextServerFallback::_shaped_text_get_character_breaks(const RID
ERR_FAIL_COND_V(!sd, PackedInt32Array());

MutexLock lock(sd->mutex);
if (!sd->valid) {
const_cast<TextServerFallback *>(this)->_shaped_text_shape(p_shaped);
}

PackedInt32Array ret;
ret.resize(sd->end - sd->start);
for (int i = sd->start; i < sd->end; i++) {
ret.write[i] = i;
int size = sd->end - sd->start;
if (size > 0) {
ret.resize(size);
for (int i = 0; i < size; i++) {
ret.write[i] = i + 1 + sd->start;
}
}
return ret;
}
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8 changes: 5 additions & 3 deletions servers/text_server.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -1474,9 +1474,11 @@ int64_t TextServer::shaped_text_closest_character_pos(const RID &p_shaped, int64

PackedInt32Array TextServer::string_get_character_breaks(const String &p_string, const String &p_language) const {
PackedInt32Array ret;
ret.resize(p_string.size());
for (int i = 0; i <= p_string.size(); i++) {
ret.write[i] = i;
if (!p_string.is_empty()) {
ret.resize(p_string.size() - 1);
for (int i = 0; i < p_string.size() - 1; i++) {
ret.write[i] = i + 1;
}
}
return ret;
}
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80 changes: 80 additions & 0 deletions tests/servers/test_text_server.h
Original file line number Diff line number Diff line change
Expand Up @@ -175,16 +175,96 @@ TEST_SUITE("[TextServer]") {

RID font1 = ts->create_font();
ts->font_set_data_ptr(font1, _font_NotoSans_Regular, _font_NotoSans_Regular_size);
ts->font_set_allow_system_fallback(font1, false);
RID font2 = ts->create_font();
ts->font_set_data_ptr(font2, _font_NotoSansThaiUI_Regular, _font_NotoSansThaiUI_Regular_size);
ts->font_set_allow_system_fallback(font2, false);
RID font3 = ts->create_font();
ts->font_set_data_ptr(font3, _font_NotoNaskhArabicUI_Regular, _font_NotoNaskhArabicUI_Regular_size);
ts->font_set_allow_system_fallback(font3, false);

Array font;
font.push_back(font1);
font.push_back(font2);
font.push_back(font3);

{
RID ctx = ts->create_shaped_text();
CHECK_FALSE_MESSAGE(ctx == RID(), "Creating text buffer failed.");
ts->shaped_text_add_string(ctx, U"Xtest", font, 10);
ts->shaped_text_add_string(ctx, U"xs", font, 10);
RID sctx = ts->shaped_text_substr(ctx, 1, 5);
CHECK_FALSE_MESSAGE(sctx == RID(), "Creating substring text buffer failed.");
PackedInt32Array sbrk = ts->shaped_text_get_character_breaks(sctx);
CHECK_FALSE_MESSAGE(sbrk.size() != 5, "Invalid substring char breaks number.");
if (sbrk.size() == 5) {
CHECK_FALSE_MESSAGE(sbrk[0] != 2, "Invalid substring char break position.");
CHECK_FALSE_MESSAGE(sbrk[1] != 3, "Invalid substring char break position.");
CHECK_FALSE_MESSAGE(sbrk[2] != 4, "Invalid substring char break position.");
CHECK_FALSE_MESSAGE(sbrk[3] != 5, "Invalid substring char break position.");
CHECK_FALSE_MESSAGE(sbrk[4] != 6, "Invalid substring char break position.");
}
PackedInt32Array fbrk = ts->shaped_text_get_character_breaks(ctx);
CHECK_FALSE_MESSAGE(fbrk.size() != 7, "Invalid char breaks number.");
if (fbrk.size() == 7) {
CHECK_FALSE_MESSAGE(fbrk[0] != 1, "Invalid char break position.");
CHECK_FALSE_MESSAGE(fbrk[1] != 2, "Invalid char break position.");
CHECK_FALSE_MESSAGE(fbrk[2] != 3, "Invalid char break position.");
CHECK_FALSE_MESSAGE(fbrk[3] != 4, "Invalid char break position.");
CHECK_FALSE_MESSAGE(fbrk[4] != 5, "Invalid char break position.");
CHECK_FALSE_MESSAGE(fbrk[5] != 6, "Invalid char break position.");
CHECK_FALSE_MESSAGE(fbrk[6] != 7, "Invalid char break position.");
}
PackedInt32Array rbrk = ts->string_get_character_breaks(U"Xtestxs");
CHECK_FALSE_MESSAGE(rbrk.size() != 7, "Invalid char breaks number.");
if (rbrk.size() == 7) {
CHECK_FALSE_MESSAGE(rbrk[0] != 1, "Invalid char break position.");
CHECK_FALSE_MESSAGE(rbrk[1] != 2, "Invalid char break position.");
CHECK_FALSE_MESSAGE(rbrk[2] != 3, "Invalid char break position.");
CHECK_FALSE_MESSAGE(rbrk[3] != 4, "Invalid char break position.");
CHECK_FALSE_MESSAGE(rbrk[4] != 5, "Invalid char break position.");
CHECK_FALSE_MESSAGE(rbrk[5] != 6, "Invalid char break position.");
CHECK_FALSE_MESSAGE(rbrk[6] != 7, "Invalid char break position.");
}

ts->free_rid(sctx);
ts->free_rid(ctx);
}

if (ts->has_feature(TextServer::FEATURE_BREAK_ITERATORS)) {
RID ctx = ts->create_shaped_text();
CHECK_FALSE_MESSAGE(ctx == RID(), "Creating text buffer failed.");
ts->shaped_text_add_string(ctx, U"X❤️‍🔥", font, 10);
ts->shaped_text_add_string(ctx, U"xs", font, 10);
RID sctx = ts->shaped_text_substr(ctx, 1, 5);
CHECK_FALSE_MESSAGE(sctx == RID(), "Creating substring text buffer failed.");
PackedInt32Array sbrk = ts->shaped_text_get_character_breaks(sctx);
CHECK_FALSE_MESSAGE(sbrk.size() != 2, "Invalid substring char breaks number.");
if (sbrk.size() == 2) {
CHECK_FALSE_MESSAGE(sbrk[0] != 5, "Invalid substring char break position.");
CHECK_FALSE_MESSAGE(sbrk[1] != 6, "Invalid substring char break position.");
}
PackedInt32Array fbrk = ts->shaped_text_get_character_breaks(ctx);
CHECK_FALSE_MESSAGE(fbrk.size() != 4, "Invalid char breaks number.");
if (fbrk.size() == 4) {
CHECK_FALSE_MESSAGE(fbrk[0] != 1, "Invalid char break position.");
CHECK_FALSE_MESSAGE(fbrk[1] != 5, "Invalid char break position.");
CHECK_FALSE_MESSAGE(fbrk[2] != 6, "Invalid char break position.");
CHECK_FALSE_MESSAGE(fbrk[3] != 7, "Invalid char break position.");
}
PackedInt32Array rbrk = ts->string_get_character_breaks(U"X❤️‍🔥xs");
CHECK_FALSE_MESSAGE(rbrk.size() != 4, "Invalid char breaks number.");
if (rbrk.size() == 4) {
CHECK_FALSE_MESSAGE(rbrk[0] != 1, "Invalid char break position.");
CHECK_FALSE_MESSAGE(rbrk[1] != 5, "Invalid char break position.");
CHECK_FALSE_MESSAGE(rbrk[2] != 6, "Invalid char break position.");
CHECK_FALSE_MESSAGE(rbrk[3] != 7, "Invalid char break position.");
}

ts->free_rid(sctx);
ts->free_rid(ctx);
}

{
String test = U"Test test long text long text\n";
RID ctx = ts->create_shaped_text();
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