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Implement TextMesh resource.

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Apply simulated slant and embolden to the TextServer `gont_get_glyph_contours` results.
This commit is contained in:
bruvzg
2022-04-25 13:14:30 +03:00
parent 2f47a0747c
commit 05963674a7
9 changed files with 1059 additions and 11 deletions
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13
modules/text_server_adv/text_server_adv.cpp
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@ -2688,13 +2688,22 @@ Dictionary TextServerAdvanced::font_get_glyph_contours(const RID &p_font_rid, in
int error = FT_Load_Glyph(fd->cache[size]->face, index, FT_LOAD_NO_BITMAP | (fd->force_autohinter ? FT_LOAD_FORCE_AUTOHINT : 0));
ERR_FAIL_COND_V(error, Dictionary());
double h = fd->cache[size]->ascent;
if (fd->embolden != 0.f) {
FT_Pos strength = fd->embolden * p_size * 4; // 26.6 fractional units (1 / 64).
FT_Outline_Embolden(&fd->cache[size]->face->glyph->outline, strength);
}
if (fd->transform != Transform2D()) {
FT_Matrix mat = { FT_Fixed(fd->transform[0][0] * 65536), FT_Fixed(fd->transform[0][1] * 65536), FT_Fixed(fd->transform[1][0] * 65536), FT_Fixed(fd->transform[1][1] * 65536) }; // 16.16 fractional units (1 / 65536).
FT_Outline_Transform(&fd->cache[size]->face->glyph->outline, &mat);
}
double scale = (1.0 / 64.0) / fd->cache[size]->oversampling * fd->cache[size]->scale;
if (fd->msdf) {
scale = scale * (double)p_size / (double)fd->msdf_source_size;
}
for (short i = 0; i < fd->cache[size]->face->glyph->outline.n_points; i++) {
points.push_back(Vector3(fd->cache[size]->face->glyph->outline.points[i].x * scale, h - fd->cache[size]->face->glyph->outline.points[i].y * scale, FT_CURVE_TAG(fd->cache[size]->face->glyph->outline.tags[i])));
points.push_back(Vector3(fd->cache[size]->face->glyph->outline.points[i].x * scale, -fd->cache[size]->face->glyph->outline.points[i].y * scale, FT_CURVE_TAG(fd->cache[size]->face->glyph->outline.tags[i])));
}
for (short i = 0; i < fd->cache[size]->face->glyph->outline.n_contours; i++) {
contours.push_back(fd->cache[size]->face->glyph->outline.contours[i]);