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Add an hinting mode setting to DynamicFonts

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- Editor font hinting can now be tweaked in the Editor Settings.
- DynamicFonts used in projects now have tweakable hinting settings
  in their DynamicFontData child. Changes will be visible upon
  reloading the scene in the editor.

(cherry picked from commit c1544c12ef)
This commit is contained in:
Hugo Locurcio
2018-02-27 15:04:08 +01:00
committed by Hein-Pieter van Braam
parent 99331ca395
commit 8a0966a8cb
4 changed files with 65 additions and 11 deletions
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47
scene/resources/dynamic_font.cpp
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@@ -80,6 +80,14 @@ void DynamicFontData::set_force_autohinter(bool p_force) {
void DynamicFontData::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_font_path", "path"), &DynamicFontData::set_font_path);
ClassDB::bind_method(D_METHOD("get_font_path"), &DynamicFontData::get_font_path);
ClassDB::bind_method(D_METHOD("set_hinting", "mode"), &DynamicFontData::set_hinting);
ClassDB::bind_method(D_METHOD("get_hinting"), &DynamicFontData::get_hinting);
ADD_PROPERTY(PropertyInfo(Variant::INT, "hinting", PROPERTY_HINT_ENUM, "None,Light,Normal"), "set_hinting", "get_hinting");
BIND_ENUM_CONSTANT(HINTING_NONE);
BIND_ENUM_CONSTANT(HINTING_LIGHT);
BIND_ENUM_CONSTANT(HINTING_NORMAL);
ADD_PROPERTY(PropertyInfo(Variant::STRING, "font_path", PROPERTY_HINT_FILE, "*.ttf,*.otf"), "set_font_path", "get_font_path");
}
@@ -87,6 +95,7 @@ void DynamicFontData::_bind_methods() {
DynamicFontData::DynamicFontData() {
force_autohinter = false;
hinting = DynamicFontData::HINTING_NORMAL;
font_mem = NULL;
font_mem_size = 0;
}
@@ -197,8 +206,6 @@ Error DynamicFontAtSize::_load() {
if (id.filter)
texture_flags |= Texture::FLAG_FILTER;
//print_line("ASCENT: "+itos(ascent)+" descent "+itos(descent)+" hinted: "+itos(face->face_flags&FT_FACE_FLAG_HINTER));
valid = true;
return OK;
}
@@ -431,15 +438,28 @@ void DynamicFontAtSize::_update_char(CharType p_char) {
char_map[p_char] = ch;
return;
}
int error = FT_Load_Char(face, p_char, FT_LOAD_RENDER | (font->force_autohinter ? FT_LOAD_FORCE_AUTOHINT : 0));
int ft_hinting;
switch (font->hinting) {
case DynamicFontData::HINTING_NONE:
ft_hinting = FT_LOAD_NO_HINTING;
break;
case DynamicFontData::HINTING_LIGHT:
ft_hinting = FT_LOAD_TARGET_LIGHT;
break;
default:
ft_hinting = FT_LOAD_TARGET_NORMAL;
break;
}
int error = FT_Load_Char(face, p_char, FT_HAS_COLOR(face) ? FT_LOAD_COLOR : FT_LOAD_DEFAULT | (font->force_autohinter ? FT_LOAD_FORCE_AUTOHINT : 0) | ft_hinting);
if (!error) {
error = FT_Render_Glyph(face->glyph, ft_render_mode_normal);
}
if (error) {
int advance = 0;
//stbtt_GetCodepointHMetrics(&font->info, p_char, &advance, 0);
//print_line("char has no bitmap: "+itos(p_char)+" but advance is "+itos(advance*scale));
Character ch;
ch.texture_idx = -1;
ch.advance = advance;
@@ -454,7 +474,6 @@ void DynamicFontAtSize::_update_char(CharType p_char) {
int w = slot->bitmap.width;
int h = slot->bitmap.rows;
//int p = slot->bitmap.pitch;
int yofs = slot->bitmap_top;
int xofs = slot->bitmap_left;
int advance = slot->advance.x >> 6;
@@ -508,8 +527,6 @@ void DynamicFontAtSize::_update_char(CharType p_char) {
break;
}
//print_line("CHAR: "+String::chr(p_char)+" TEX INDEX: "+itos(tex_index)+" X: "+itos(tex_x)+" Y: "+itos(tex_y));
if (tex_index == -1) {
//could not find texture to fit, create one
tex_x = 0;
@@ -610,8 +627,6 @@ void DynamicFontAtSize::_update_char(CharType p_char) {
chr.rect.position /= oversampling;
chr.rect.size /= oversampling;
//print_line("CHAR: "+String::chr(p_char)+" TEX INDEX: "+itos(tex_index)+" RECT: "+chr.rect+" X OFS: "+itos(xofs)+" Y OFS: "+itos(yofs));
char_map[p_char] = chr;
}
@@ -722,6 +737,18 @@ void DynamicFont::set_use_filter(bool p_enable) {
_reload_cache();
}
DynamicFontData::Hinting DynamicFontData::get_hinting() const {
return hinting;
}
void DynamicFontData::set_hinting(Hinting p_hinting) {
if (hinting == p_hinting)
return;
hinting = p_hinting;
}
int DynamicFont::get_spacing(int p_type) const {
if (p_type == SPACING_TOP) {