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virtualx-engine/editor/editor_fonts.cpp
Hugo Locurcio d5716d8956
Improve editor text appearance in (un)zoomed GraphEdit-based editors 
Enabling filtering and mipmaps on the editor fonts makes the text
look slightly better. While not as good as SDF-based fonts, it should be
more usable already.
This change impacts the visual script and visual shader editors.

This partially addresses #16220.
2021-02-06 19:24:05 +01:00

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/*************************************************************************/
/* editor_fonts.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "editor_fonts.h"
#include "builtin_fonts.gen.h"
#include "core/os/dir_access.h"
#include "editor_scale.h"
#include "editor_settings.h"
#include "scene/resources/default_theme/default_theme.h"
#include "scene/resources/dynamic_font.h"
#define MAKE_FALLBACKS(m_name) \
m_name->add_fallback(FontArabic); \
m_name->add_fallback(FontHebrew); \
m_name->add_fallback(FontThai); \
m_name->add_fallback(FontHindi); \
m_name->add_fallback(FontJapanese); \
m_name->add_fallback(FontFallback);
// Enable filtering and mipmaps on the editor fonts to improve text appearance
// in editors that are zoomed in/out without having dedicated fonts to generate.
// This is the case in GraphEdit-based editors such as the visual script and
// visual shader editors.
// the custom spacings might only work with Noto Sans
#define MAKE_DEFAULT_FONT(m_name, m_size) \
Ref<DynamicFont> m_name; \
m_name.instance(); \
m_name->set_size(m_size); \
m_name->set_use_filter(true); \
m_name->set_use_mipmaps(true); \
if (CustomFont.is_valid()) { \
m_name->set_font_data(CustomFont); \
m_name->add_fallback(DefaultFont); \
} else { \
m_name->set_font_data(DefaultFont); \
} \
m_name->set_spacing(DynamicFont::SPACING_TOP, -EDSCALE); \
m_name->set_spacing(DynamicFont::SPACING_BOTTOM, -EDSCALE); \
MAKE_FALLBACKS(m_name);
#define MAKE_BOLD_FONT(m_name, m_size) \
Ref<DynamicFont> m_name; \
m_name.instance(); \
m_name->set_size(m_size); \
m_name->set_use_filter(true); \
m_name->set_use_mipmaps(true); \
if (CustomFontBold.is_valid()) { \
m_name->set_font_data(CustomFontBold); \
m_name->add_fallback(DefaultFontBold); \
} else { \
m_name->set_font_data(DefaultFontBold); \
} \
m_name->set_spacing(DynamicFont::SPACING_TOP, -EDSCALE); \
m_name->set_spacing(DynamicFont::SPACING_BOTTOM, -EDSCALE); \
MAKE_FALLBACKS(m_name);
#define MAKE_SOURCE_FONT(m_name, m_size) \
Ref<DynamicFont> m_name; \
m_name.instance(); \
m_name->set_size(m_size); \
m_name->set_use_filter(true); \
m_name->set_use_mipmaps(true); \
if (CustomFontSource.is_valid()) { \
m_name->set_font_data(CustomFontSource); \
m_name->add_fallback(dfmono); \
} else { \
m_name->set_font_data(dfmono); \
} \
m_name->set_spacing(DynamicFont::SPACING_TOP, -EDSCALE); \
m_name->set_spacing(DynamicFont::SPACING_BOTTOM, -EDSCALE); \
MAKE_FALLBACKS(m_name);
void editor_register_fonts(Ref<Theme> p_theme) {
DirAccess *dir = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
/* Custom font */
bool font_antialiased = (bool)EditorSettings::get_singleton()->get("interface/editor/font_antialiased");
int font_hinting_setting = (int)EditorSettings::get_singleton()->get("interface/editor/font_hinting");
DynamicFontData::Hinting font_hinting;
switch (font_hinting_setting) {
case 0:
// The "Auto" setting uses the setting that best matches the OS' font rendering:
// - macOS doesn't use font hinting.
// - Windows uses ClearType, which is in between "Light" and "Normal" hinting.
// - Linux has configurable font hinting, but most distributions including Ubuntu default to "Light".
#ifdef OSX_ENABLED
font_hinting = DynamicFontData::HINTING_NONE;
#else
font_hinting = DynamicFontData::HINTING_LIGHT;
#endif
break;
case 1:
font_hinting = DynamicFontData::HINTING_NONE;
break;
case 2:
font_hinting = DynamicFontData::HINTING_LIGHT;
break;
default:
font_hinting = DynamicFontData::HINTING_NORMAL;
break;
}
String custom_font_path = EditorSettings::get_singleton()->get("interface/editor/main_font");
Ref<DynamicFontData> CustomFont;
if (custom_font_path.length() > 0 && dir->file_exists(custom_font_path)) {
CustomFont.instance();
CustomFont->set_antialiased(font_antialiased);
CustomFont->set_hinting(font_hinting);
CustomFont->set_font_path(custom_font_path);
CustomFont->set_force_autohinter(true); //just looks better..i think?
} else {
EditorSettings::get_singleton()->set_manually("interface/editor/main_font", "");
}
/* Custom Bold font */
String custom_font_path_bold = EditorSettings::get_singleton()->get("interface/editor/main_font_bold");
Ref<DynamicFontData> CustomFontBold;
if (custom_font_path_bold.length() > 0 && dir->file_exists(custom_font_path_bold)) {
CustomFontBold.instance();
CustomFontBold->set_antialiased(font_antialiased);
CustomFontBold->set_hinting(font_hinting);
CustomFontBold->set_font_path(custom_font_path_bold);
CustomFontBold->set_force_autohinter(true); //just looks better..i think?
} else {
EditorSettings::get_singleton()->set_manually("interface/editor/main_font_bold", "");
}
/* Custom source code font */
String custom_font_path_source = EditorSettings::get_singleton()->get("interface/editor/code_font");
Ref<DynamicFontData> CustomFontSource;
if (custom_font_path_source.length() > 0 && dir->file_exists(custom_font_path_source)) {
CustomFontSource.instance();
CustomFontSource->set_antialiased(font_antialiased);
CustomFontSource->set_hinting(font_hinting);
CustomFontSource->set_font_path(custom_font_path_source);
} else {
EditorSettings::get_singleton()->set_manually("interface/editor/code_font", "");
}
memdelete(dir);
/* Droid Sans */
Ref<DynamicFontData> DefaultFont;
DefaultFont.instance();
DefaultFont->set_antialiased(font_antialiased);
DefaultFont->set_hinting(font_hinting);
DefaultFont->set_font_ptr(_font_NotoSansUI_Regular, _font_NotoSansUI_Regular_size);
DefaultFont->set_force_autohinter(true); //just looks better..i think?
Ref<DynamicFontData> DefaultFontBold;
DefaultFontBold.instance();
DefaultFontBold->set_antialiased(font_antialiased);
DefaultFontBold->set_hinting(font_hinting);
DefaultFontBold->set_font_ptr(_font_NotoSansUI_Bold, _font_NotoSansUI_Bold_size);
DefaultFontBold->set_force_autohinter(true); // just looks better..i think?
Ref<DynamicFontData> FontFallback;
FontFallback.instance();
FontFallback->set_antialiased(font_antialiased);
FontFallback->set_hinting(font_hinting);
FontFallback->set_font_ptr(_font_DroidSansFallback, _font_DroidSansFallback_size);
FontFallback->set_force_autohinter(true); //just looks better..i think?
Ref<DynamicFontData> FontJapanese;
FontJapanese.instance();
FontJapanese->set_antialiased(font_antialiased);
FontJapanese->set_hinting(font_hinting);
FontJapanese->set_font_ptr(_font_DroidSansJapanese, _font_DroidSansJapanese_size);
FontJapanese->set_force_autohinter(true); //just looks better..i think?
Ref<DynamicFontData> FontArabic;
FontArabic.instance();
FontArabic->set_antialiased(font_antialiased);
FontArabic->set_hinting(font_hinting);
FontArabic->set_font_ptr(_font_NotoNaskhArabicUI_Regular, _font_NotoNaskhArabicUI_Regular_size);
FontArabic->set_force_autohinter(true); //just looks better..i think?
Ref<DynamicFontData> FontHebrew;
FontHebrew.instance();
FontHebrew->set_antialiased(font_antialiased);
FontHebrew->set_hinting(font_hinting);
FontHebrew->set_font_ptr(_font_NotoSansHebrew_Regular, _font_NotoSansHebrew_Regular_size);
FontHebrew->set_force_autohinter(true); //just looks better..i think?
Ref<DynamicFontData> FontThai;
FontThai.instance();
FontThai->set_antialiased(font_antialiased);
FontThai->set_hinting(font_hinting);
FontThai->set_font_ptr(_font_NotoSansThaiUI_Regular, _font_NotoSansThaiUI_Regular_size);
FontThai->set_force_autohinter(true); //just looks better..i think?
Ref<DynamicFontData> FontHindi;
FontHindi.instance();
FontHindi->set_antialiased(font_antialiased);
FontHindi->set_hinting(font_hinting);
FontHindi->set_font_ptr(_font_NotoSansDevanagariUI_Regular, _font_NotoSansDevanagariUI_Regular_size);
FontHindi->set_force_autohinter(true); //just looks better..i think?
/* Hack */
Ref<DynamicFontData> dfmono;
dfmono.instance();
dfmono->set_antialiased(font_antialiased);
dfmono->set_hinting(font_hinting);
dfmono->set_font_ptr(_font_Hack_Regular, _font_Hack_Regular_size);
int default_font_size = int(EDITOR_GET("interface/editor/main_font_size")) * EDSCALE;
// Default font
MAKE_DEFAULT_FONT(df, default_font_size);
p_theme->set_default_theme_font(df);
p_theme->set_font("main", "EditorFonts", df);
// Bold font
MAKE_BOLD_FONT(df_bold, default_font_size);
p_theme->set_font("bold", "EditorFonts", df_bold);
// Title font
MAKE_BOLD_FONT(df_title, default_font_size + 2 * EDSCALE);
p_theme->set_font("title", "EditorFonts", df_title);
// Documentation fonts
MAKE_DEFAULT_FONT(df_doc, int(EDITOR_GET("text_editor/help/help_font_size")) * EDSCALE);
MAKE_BOLD_FONT(df_doc_bold, int(EDITOR_GET("text_editor/help/help_font_size")) * EDSCALE);
MAKE_BOLD_FONT(df_doc_title, int(EDITOR_GET("text_editor/help/help_title_font_size")) * EDSCALE);
MAKE_SOURCE_FONT(df_doc_code, int(EDITOR_GET("text_editor/help/help_source_font_size")) * EDSCALE);
p_theme->set_font("doc", "EditorFonts", df_doc);
p_theme->set_font("doc_bold", "EditorFonts", df_doc_bold);
p_theme->set_font("doc_title", "EditorFonts", df_doc_title);
p_theme->set_font("doc_source", "EditorFonts", df_doc_code);
// Ruler font
MAKE_DEFAULT_FONT(df_rulers, 8 * EDSCALE);
p_theme->set_font("rulers", "EditorFonts", df_rulers);
// Rotation widget font
MAKE_DEFAULT_FONT(df_rotation_control, 14 * EDSCALE);
p_theme->set_font("rotation_control", "EditorFonts", df_rotation_control);
// Code font
MAKE_SOURCE_FONT(df_code, int(EDITOR_GET("interface/editor/code_font_size")) * EDSCALE);
p_theme->set_font("source", "EditorFonts", df_code);
MAKE_SOURCE_FONT(df_expression, (int(EDITOR_GET("interface/editor/code_font_size")) - 1) * EDSCALE);
p_theme->set_font("expression", "EditorFonts", df_expression);
MAKE_SOURCE_FONT(df_output_code, int(EDITOR_GET("run/output/font_size")) * EDSCALE);
p_theme->set_font("output_source", "EditorFonts", df_output_code);
MAKE_SOURCE_FONT(df_text_editor_status_code, default_font_size);
p_theme->set_font("status_source", "EditorFonts", df_text_editor_status_code);
}
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