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[TextServer] Add support for trimming edge spaces on line break.

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This commit is contained in:
bruvzg
2022-08-30 11:56:17 +03:00
parent 1c037c89d4
commit 7aad14a4b6
9 changed files with 124 additions and 21 deletions
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123
servers/text_server.cpp
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@@ -498,6 +498,7 @@ void TextServer::_bind_methods() {
BIND_BITFIELD_FLAG(BREAK_WORD_BOUND);
BIND_BITFIELD_FLAG(BREAK_GRAPHEME_BOUND);
BIND_BITFIELD_FLAG(BREAK_ADAPTIVE);
BIND_BITFIELD_FLAG(BREAK_TRIM_EDGE_SPACES);
/* VisibleCharactersBehavior */
BIND_ENUM_CONSTANT(VC_CHARS_BEFORE_SHAPING);
@@ -680,6 +681,7 @@ PackedInt32Array TextServer::shaped_text_get_line_breaks_adv(const RID &p_shaped
real_t width = 0.f;
int line_start = MAX(p_start, range.x);
int prev_safe_break = 0;
int last_safe_break = -1;
int chunk = 0;
@@ -688,13 +690,29 @@ PackedInt32Array TextServer::shaped_text_get_line_breaks_adv(const RID &p_shaped
for (int i = 0; i < l_size; i++) {
if (l_gl[i].start < p_start) {
prev_safe_break = i + 1;
continue;
}
if (l_gl[i].count > 0) {
if ((p_width[chunk] > 0) && (width + l_gl[i].advance > p_width[chunk]) && (last_safe_break >= 0)) {
lines.push_back(line_start);
lines.push_back(l_gl[last_safe_break].end);
if (p_break_flags.has_flag(BREAK_TRIM_EDGE_SPACES)) {
int start_pos = prev_safe_break;
int end_pos = last_safe_break;
while ((start_pos < end_pos) && ((l_gl[start_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (l_gl[start_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (l_gl[start_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) {
start_pos += l_gl[start_pos].count;
}
while ((start_pos < end_pos) && ((l_gl[end_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (l_gl[end_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (l_gl[end_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) {
end_pos -= l_gl[end_pos].count;
}
lines.push_back(l_gl[start_pos].start);
lines.push_back(l_gl[end_pos].end);
} else {
lines.push_back(line_start);
lines.push_back(l_gl[last_safe_break].end);
}
line_start = l_gl[last_safe_break].end;
prev_safe_break = last_safe_break + 1;
i = last_safe_break;
last_safe_break = -1;
width = 0;
@@ -709,9 +727,24 @@ PackedInt32Array TextServer::shaped_text_get_line_breaks_adv(const RID &p_shaped
}
if (p_break_flags.has_flag(BREAK_MANDATORY)) {
if ((l_gl[i].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD) {
lines.push_back(line_start);
lines.push_back(l_gl[i].end);
if (p_break_flags.has_flag(BREAK_TRIM_EDGE_SPACES)) {
int start_pos = prev_safe_break;
int end_pos = i;
while ((start_pos < end_pos) && ((l_gl[start_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (l_gl[start_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (l_gl[start_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) {
start_pos += l_gl[start_pos].count;
}
while ((start_pos < end_pos) && ((l_gl[end_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (l_gl[end_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (l_gl[end_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) {
end_pos -= l_gl[end_pos].count;
}
lines.push_back(l_gl[start_pos].start);
lines.push_back(l_gl[end_pos].end);
} else {
lines.push_back(line_start);
lines.push_back(l_gl[i].end);
}
line_start = l_gl[i].end;
prev_safe_break = i + 1;
last_safe_break = -1;
width = 0;
chunk = 0;
@@ -734,9 +767,23 @@ PackedInt32Array TextServer::shaped_text_get_line_breaks_adv(const RID &p_shaped
}
if (l_size > 0) {
if (lines.size() == 0 || lines[lines.size() - 1] < range.y) {
lines.push_back(line_start);
lines.push_back(range.y);
if (lines.size() == 0 || (lines[lines.size() - 1] < range.y && prev_safe_break < l_size)) {
if (p_break_flags.has_flag(BREAK_TRIM_EDGE_SPACES)) {
int start_pos = (prev_safe_break < l_size) ? prev_safe_break : l_size - 1;
int end_pos = l_size - 1;
while ((start_pos < end_pos) && ((l_gl[start_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (l_gl[start_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (l_gl[start_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) {
start_pos += l_gl[start_pos].count;
}
while ((start_pos < end_pos) && ((l_gl[end_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (l_gl[end_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (l_gl[end_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) {
end_pos -= l_gl[end_pos].count;
}
lines.push_back(l_gl[start_pos].start);
lines.push_back(l_gl[end_pos].end);
} else {
lines.push_back(line_start);
lines.push_back(range.y);
}
}
} else {
lines.push_back(0);
@@ -754,6 +801,7 @@ PackedInt32Array TextServer::shaped_text_get_line_breaks(const RID &p_shaped, do
double width = 0.f;
int line_start = MAX(p_start, range.x);
int prev_safe_break = 0;
int last_safe_break = -1;
int word_count = 0;
@@ -762,13 +810,30 @@ PackedInt32Array TextServer::shaped_text_get_line_breaks(const RID &p_shaped, do
for (int i = 0; i < l_size; i++) {
if (l_gl[i].start < p_start) {
prev_safe_break = i + 1;
continue;
}
if (l_gl[i].count > 0) {
if ((p_width > 0) && (width + l_gl[i].advance * l_gl[i].repeat > p_width) && (last_safe_break >= 0)) {
lines.push_back(line_start);
lines.push_back(l_gl[last_safe_break].end);
if (p_break_flags.has_flag(BREAK_TRIM_EDGE_SPACES)) {
int start_pos = prev_safe_break;
int end_pos = last_safe_break;
while ((start_pos < end_pos) && ((l_gl[start_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (l_gl[start_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (l_gl[start_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) {
start_pos += l_gl[start_pos].count;
}
while ((start_pos < end_pos) && ((l_gl[end_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (l_gl[end_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (l_gl[end_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) {
end_pos -= l_gl[end_pos].count;
}
//printf("%s", vformat("BRK TRIM(W): %d..%d -> %d..%d\n", line_start, l_gl[last_safe_break].end, l_gl[start_pos].start, l_gl[end_pos].end).utf8().get_data());
lines.push_back(l_gl[start_pos].start);
lines.push_back(l_gl[end_pos].end);
} else {
lines.push_back(line_start);
lines.push_back(l_gl[last_safe_break].end);
}
line_start = l_gl[last_safe_break].end;
prev_safe_break = last_safe_break + 1;
i = last_safe_break;
last_safe_break = -1;
width = 0;
@@ -777,9 +842,25 @@ PackedInt32Array TextServer::shaped_text_get_line_breaks(const RID &p_shaped, do
}
if (p_break_flags.has_flag(BREAK_MANDATORY)) {
if ((l_gl[i].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD) {
lines.push_back(line_start);
lines.push_back(l_gl[i].end);
if (p_break_flags.has_flag(BREAK_TRIM_EDGE_SPACES)) {
int start_pos = prev_safe_break;
int end_pos = i;
while ((start_pos < end_pos) && ((l_gl[start_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (l_gl[start_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (l_gl[start_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) {
start_pos += l_gl[start_pos].count;
}
while ((start_pos < end_pos) && ((l_gl[end_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (l_gl[end_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (l_gl[end_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) {
end_pos -= l_gl[end_pos].count;
}
lines.push_back(l_gl[start_pos].start);
lines.push_back(l_gl[end_pos].end);
//printf("%s", vformat("BRK TRIM(M): %d..%d -> %d..%d\n", line_start, l_gl[i].end, l_gl[start_pos].start, l_gl[end_pos].end).utf8().get_data());
} else {
lines.push_back(line_start);
lines.push_back(l_gl[i].end);
}
line_start = l_gl[i].end;
prev_safe_break = i + 1;
last_safe_break = -1;
width = 0;
continue;
@@ -802,9 +883,23 @@ PackedInt32Array TextServer::shaped_text_get_line_breaks(const RID &p_shaped, do
}
if (l_size > 0) {
if (lines.size() == 0 || lines[lines.size() - 1] < range.y) {
lines.push_back(line_start);
lines.push_back(range.y);
if (lines.size() == 0 || (lines[lines.size() - 1] < range.y && prev_safe_break < l_size)) {
if (p_break_flags.has_flag(BREAK_TRIM_EDGE_SPACES)) {
int start_pos = (prev_safe_break < l_size) ? prev_safe_break : l_size - 1;
int end_pos = l_size - 1;
while ((start_pos < end_pos) && ((l_gl[start_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (l_gl[start_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (l_gl[start_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) {
start_pos += l_gl[start_pos].count;
}
while ((start_pos < end_pos) && ((l_gl[end_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (l_gl[end_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (l_gl[end_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) {
end_pos -= l_gl[end_pos].count;
}
lines.push_back(l_gl[start_pos].start);
lines.push_back(l_gl[end_pos].end);
} else {
lines.push_back(line_start);
lines.push_back(range.y);
}
}
} else {
lines.push_back(0);