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Improve simulated bold fonts advance.

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This commit is contained in:
bruvzg 2022-03-13 14:50:36 +02:00
parent 7df288f785
commit d9f8cadafb
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GPG Key ID: 7960FCF39844EC38
3 changed files with 37 additions and 10 deletions
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34
modules/text_server_adv/text_server_adv.cpp
View File

@ -2326,6 +2326,20 @@ void TextServerAdvanced::font_remove_glyph(RID p_font_rid, const Vector2i &p_siz
fd->cache[size]->glyph_map.erase(p_glyph);
}
float TextServerAdvanced::_get_extra_advance(RID p_font_rid, int p_font_size) const {
const FontDataAdvanced *fd = font_owner.get_or_null(p_font_rid);
ERR_FAIL_COND_V(!fd, 0.0);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_font_size);
if (fd->embolden != 0.0) {
return fd->embolden * float(size.x) / 64.0;
} else {
return 0.0;
}
}
Vector2 TextServerAdvanced::font_get_glyph_advance(RID p_font_rid, int p_size, int32_t p_glyph) const {
FontDataAdvanced *fd = font_owner.get_or_null(p_font_rid);
ERR_FAIL_COND_V(!fd, Vector2());
@ -2340,12 +2354,17 @@ Vector2 TextServerAdvanced::font_get_glyph_advance(RID p_font_rid, int p_size, i
const HashMap<int32_t, FontGlyph> &gl = fd->cache[size]->glyph_map;
Vector2 ea;
if (fd->embolden != 0.0) {
ea.x = fd->embolden * float(size.x) / 64.0;
}
if (fd->msdf) {
return gl[p_glyph].advance * (float)p_size / (float)fd->msdf_source_size;
return (gl[p_glyph].advance + ea) * (float)p_size / (float)fd->msdf_source_size;
} else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_DISABLED) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x > SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
return gl[p_glyph].advance.round();
return (gl[p_glyph].advance + ea).round();
} else {
return gl[p_glyph].advance;
return gl[p_glyph].advance + ea;
}
}
@ -4471,9 +4490,9 @@ Glyph TextServerAdvanced::_shape_single_glyph(ShapedTextDataAdvanced *p_sd, char
float scale = font_get_scale(p_font, p_font_size);
if (p_sd->orientation == ORIENTATION_HORIZONTAL) {
if (subpos) {
gl.advance = glyph_pos[0].x_advance / (64.0 / scale);
gl.advance = glyph_pos[0].x_advance / (64.0 / scale) + _get_extra_advance(p_font, p_font_size);
} else {
gl.advance = Math::round(glyph_pos[0].x_advance / (64.0 / scale));
gl.advance = Math::round(glyph_pos[0].x_advance / (64.0 / scale) + _get_extra_advance(p_font, p_font_size));
}
} else {
gl.advance = -Math::round(glyph_pos[0].y_advance / (64.0 / scale));
@ -4550,6 +4569,7 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_star
float scale = font_get_scale(f, fs);
float sp_sp = font_get_spacing(f, fs, SPACING_SPACE);
float sp_gl = font_get_spacing(f, fs, SPACING_GLYPH);
float ea = _get_extra_advance(f, fs);
bool subpos = (font_get_subpixel_positioning(f) == SUBPIXEL_POSITIONING_ONE_HALF) || (font_get_subpixel_positioning(f) == SUBPIXEL_POSITIONING_ONE_QUARTER) || (font_get_subpixel_positioning(f) == SUBPIXEL_POSITIONING_AUTO && fs <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE);
ERR_FAIL_COND(hb_font == nullptr);
@ -4628,9 +4648,9 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_star
if (gl.index != 0) {
if (p_sd->orientation == ORIENTATION_HORIZONTAL) {
if (subpos) {
gl.advance = glyph_pos[i].x_advance / (64.0 / scale);
gl.advance = glyph_pos[i].x_advance / (64.0 / scale) + ea;
} else {
gl.advance = Math::round(glyph_pos[i].x_advance / (64.0 / scale));
gl.advance = Math::round(glyph_pos[i].x_advance / (64.0 / scale) + ea);
}
} else {
gl.advance = -Math::round(glyph_pos[i].y_advance / (64.0 / scale));

2
modules/text_server_adv/text_server_adv.h
View File

@ -242,6 +242,8 @@ class TextServerAdvanced : public TextServer {
}
}
_FORCE_INLINE_ float _get_extra_advance(RID p_font_rid, int p_font_size) const;
// Shaped text cache data.
struct ShapedTextDataAdvanced : public ShapedTextData {

11
modules/text_server_fb/text_server_fb.cpp
View File

@ -1513,12 +1513,17 @@ Vector2 TextServerFallback::font_get_glyph_advance(RID p_font_rid, int p_size, i
const HashMap<int32_t, FontGlyph> &gl = fd->cache[size]->glyph_map;
Vector2 ea;
if (fd->embolden != 0.0) {
ea.x = fd->embolden * float(size.x) / 64.0;
}
if (fd->msdf) {
return gl[p_glyph].advance * (float)p_size / (float)fd->msdf_source_size;
return (gl[p_glyph].advance + ea) * (float)p_size / (float)fd->msdf_source_size;
} else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_DISABLED) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x > SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
return gl[p_glyph].advance.round();
return (gl[p_glyph].advance + ea).round();
} else {
return gl[p_glyph].advance;
return gl[p_glyph].advance + ea;
}
}