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Add flag to connected grapheme. Apply RTL displacement FX only to the whole connected grapheme. Pass more glyph info to the custom RTL FX.

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This commit is contained in:
bruvzg
2021-09-21 12:27:06 +03:00
parent a412011be7
commit c931906af7
9 changed files with 136 additions and 30 deletions
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22
modules/text_server_adv/text_server_adv.cpp
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@@ -3804,7 +3804,12 @@ bool TextServerAdvanced::shaped_text_update_breaks(RID p_shaped) {
gl.font_rid = sd_glyphs[i].font_rid;
gl.font_size = sd_glyphs[i].font_size;
gl.flags = GRAPHEME_IS_BREAK_SOFT | GRAPHEME_IS_VIRTUAL;
sd->glyphs.insert(i + sd_glyphs[i].count, gl); // Insert after.
if (sd->glyphs[i].flags & GRAPHEME_IS_RTL) {
gl.flags |= GRAPHEME_IS_RTL;
sd->glyphs.insert(i, gl); // Insert before.
} else {
sd->glyphs.insert(i + sd_glyphs[i].count, gl); // Insert after.
}
// Update write pointer and size.
sd_size = sd->glyphs.size();
@@ -3998,7 +4003,12 @@ bool TextServerAdvanced::shaped_text_update_justification_ops(RID p_shaped) {
gl.font_rid = sd->glyphs[i].font_rid;
gl.font_size = sd->glyphs[i].font_size;
gl.flags = GRAPHEME_IS_SPACE | GRAPHEME_IS_VIRTUAL;
sd->glyphs.insert(i + sd->glyphs[i].count, gl); // Insert after.
if (sd->glyphs[i].flags & GRAPHEME_IS_RTL) {
gl.flags |= GRAPHEME_IS_RTL;
sd->glyphs.insert(i, gl); // Insert before.
} else {
sd->glyphs.insert(i + sd->glyphs[i].count, gl); // Insert after.
}
i += sd->glyphs[i].count;
continue;
}
@@ -4147,7 +4157,7 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_star
}
}
if (p_direction == HB_DIRECTION_RTL || p_direction == HB_DIRECTION_BTT) {
w[last_cluster_index].flags |= TextServer::GRAPHEME_IS_RTL;
w[last_cluster_index].flags |= GRAPHEME_IS_RTL;
}
if (last_cluster_valid) {
w[last_cluster_index].flags |= GRAPHEME_IS_VALID;
@@ -4169,6 +4179,10 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_star
gl.font_rid = p_fonts[p_fb_index];
gl.font_size = fs;
if (glyph_info[i].mask & HB_GLYPH_FLAG_DEFINED) {
gl.flags |= GRAPHEME_IS_CONNECTED;
}
gl.index = glyph_info[i].codepoint;
if (gl.index != 0) {
real_t scale = font_get_scale(f, fs);
@@ -4199,7 +4213,7 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_star
}
w[last_cluster_index].count = glyph_count - last_cluster_index;
if (p_direction == HB_DIRECTION_RTL || p_direction == HB_DIRECTION_BTT) {
w[last_cluster_index].flags |= TextServer::GRAPHEME_IS_RTL;
w[last_cluster_index].flags |= GRAPHEME_IS_RTL;
}
if (last_cluster_valid) {
w[last_cluster_index].flags |= GRAPHEME_IS_VALID;