[Complex Text Layouts] Implement TextServer interface.

COPYRIGHT.txt

@@ -157,6 +157,11 @@ Copyright: 2018, Source Foundry Authors
   2003, Bitstream Inc.
 License: Expat and Bitstream Vera Fonts Copyright
 
+Files: ./thirdparty/fonts/Tamsyn*.png
+Comment: Tamsyn font
+Copyright: 2015, Scott Fial
+License: Tamsyn
+
 Files: ./thirdparty/freetype/
 Comment: The FreeType Project
 Copyright: 1996-2020, David Turner, Robert Wilhelm, and Werner Lemberg.
@@ -169,6 +174,33 @@ Copyright: 2015-2020 Google, Inc.
   2002, NVIDIA Corporation.
 License: glslang
 
+Files: ./thirdparty/graphite/
+Comment: Graphite engine
+Copyright: 2010, SIL International
+License: MPL-2.0
+
+Files: ./thirdparty/harfbuzz/
+Comment: HarfBuzz text shaping library
+Copyright: 2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020 Google, Inc.
+ 2018,2019,2020 Ebrahim Byagowi
+ 2019,2020 Facebook, Inc.
+ 2012 Mozilla Foundation
+ 2011 Codethink Limited
+ 2008,2010 Nokia Corporation and/or its subsidiary(-ies)
+ 2009 Keith Stribley
+ 2009 Martin Hosken and SIL International
+ 2007 Chris Wilson
+ 2006 Behdad Esfahbod
+ 2005 David Turner
+ 2004,2007,2008,2009,2010 Red Hat, Inc.
+ 1998-2004 David Turner and Werner Lemberg
+License: HarfBuzz
+
+Files: ./thirdparty/icu4c/
+Comment: International Components for Unicode
+Copyright: 1991-2020, Unicode
+License: Unicode
+
 Files: ./thirdparty/jpeg_compressor/
 Comment: jpeg-compressor
 Copyright: 2012, Rich Geldreich
@@ -1175,6 +1207,46 @@ License: FTL
    Robert Wilhelm    <robert.wilhelm@freetype.org>
    Werner Lemberg    <werner.lemberg@freetype.org>
 
+License: HarfBuzz
+ HarfBuzz is licensed under the so-called "Old MIT" license.  Details follow.
+ For parts of HarfBuzz that are licensed under different licenses see individual
+ files names COPYING in subdirectories where applicable.
+ .
+ Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020  Google, Inc.
+ Copyright (C) 2018,2019,2020  Ebrahim Byagowi
+ Copyright (C) 2019,2020  Facebook, Inc.
+ Copyright (C) 2012  Mozilla Foundation
+ Copyright (C) 2011  Codethink Limited
+ Copyright (C) 2008,2010  Nokia Corporation and/or its subsidiary(-ies)
+ Copyright (C) 2009  Keith Stribley
+ Copyright (C) 2009  Martin Hosken and SIL International
+ Copyright (C) 2007  Chris Wilson
+ Copyright (C) 2006  Behdad Esfahbod
+ Copyright (C) 2005  David Turner
+ Copyright (C) 2004,2007,2008,2009,2010  Red Hat, Inc.
+ Copyright (C) 1998-2004  David Turner and Werner Lemberg
+ .
+ For full copyright notices consult the individual files in the package.
+ .
+ .
+ Permission is hereby granted, without written agreement and without
+ license or royalty fees, to use, copy, modify, and distribute this
+ software and its documentation for any purpose, provided that the
+ above copyright notice and the following two paragraphs appear in
+ all copies of this software.
+ .
+ IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ DAMAGE.
+ .
+ THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+
 License: MPL-2.0
  Mozilla Public License Version 2.0
  ==================================
@@ -1633,6 +1705,53 @@ License: OFL-1.1
  DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE.
 
+License: Tamsyn
+ Tamsyn font is free.  You are hereby granted permission to use, copy, modify,
+ and distribute it as you see fit.
+ .
+ Tamsyn font is provided "as is" without any express or implied warranty.
+ .
+ The author makes no representations about the suitability of this font for
+ a particular purpose.
+ .
+ In no event will the author be held liable for damages arising from the use
+ of this font.
+
+License: Unicode
+ COPYRIGHT AND PERMISSION NOTICE (ICU 58 and later)
+ .
+ Copyright (C) 1991-2020 Unicode, Inc. All rights reserved.
+ Distributed under the Terms of Use in https://www.unicode.org/copyright.html.
+ .
+ Permission is hereby granted, free of charge, to any person obtaining
+ a copy of the Unicode data files and any associated documentation
+ (the "Data Files") or Unicode software and any associated documentation
+ (the "Software") to deal in the Data Files or Software
+ without restriction, including without limitation the rights to use,
+ copy, modify, merge, publish, distribute, and/or sell copies of
+ the Data Files or Software, and to permit persons to whom the Data Files
+ or Software are furnished to do so, provided that either
+ (a) this copyright and permission notice appear with all copies
+ of the Data Files or Software, or
+ (b) this copyright and permission notice appear in associated
+ Documentation.
+ .
+ THE DATA FILES AND SOFTWARE ARE 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 OF THIRD PARTY RIGHTS.
+ IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN THIS
+ NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL
+ DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ PERFORMANCE OF THE DATA FILES OR SOFTWARE.
+ .
+ Except as contained in this notice, the name of a copyright holder
+ shall not be used in advertising or otherwise to promote the sale,
+ use or other dealings in these Data Files or Software without prior
+ written authorization of the copyright holder.
+
 License: Zlib
  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages

SConstruct

@@ -144,6 +144,9 @@ opts.Add(BoolVariable("builtin_certs", "Use the built-in SSL certificates bundle
 opts.Add(BoolVariable("builtin_enet", "Use the built-in ENet library", True))
 opts.Add(BoolVariable("builtin_freetype", "Use the built-in FreeType library", True))
 opts.Add(BoolVariable("builtin_glslang", "Use the built-in glslang library", True))
+opts.Add(BoolVariable("builtin_graphite", "Use the built-in Graphite library", True))
+opts.Add(BoolVariable("builtin_harfbuzz", "Use the built-in HarfBuzz library", True))
+opts.Add(BoolVariable("builtin_icu", "Use the built-in ICU library", True))
 opts.Add(BoolVariable("builtin_libogg", "Use the built-in libogg library", True))
 opts.Add(BoolVariable("builtin_libpng", "Use the built-in libpng library", True))
 opts.Add(BoolVariable("builtin_libtheora", "Use the built-in libtheora library", True))

core/core_constants.cpp

@@ -128,6 +128,7 @@ void register_global_constants() {
 	BIND_CORE_ENUM_CONSTANT(HALIGN_LEFT);
 	BIND_CORE_ENUM_CONSTANT(HALIGN_CENTER);
 	BIND_CORE_ENUM_CONSTANT(HALIGN_RIGHT);
+	BIND_CORE_ENUM_CONSTANT(HALIGN_FILL);
 
 	BIND_CORE_ENUM_CONSTANT(VALIGN_TOP);
 	BIND_CORE_ENUM_CONSTANT(VALIGN_CENTER);

core/math/math_defs.h

@@ -73,7 +73,8 @@ enum Orientation {
 enum HAlign {
 	HALIGN_LEFT,
 	HALIGN_CENTER,
-	HALIGN_RIGHT
+	HALIGN_RIGHT,
+	HALIGN_FILL,
 };
 
 enum VAlign {

core/os/main_loop.cpp

@@ -47,6 +47,7 @@ void MainLoop::_bind_methods() {
 	BIND_CONSTANT(NOTIFICATION_APPLICATION_PAUSED);
 	BIND_CONSTANT(NOTIFICATION_APPLICATION_FOCUS_IN);
 	BIND_CONSTANT(NOTIFICATION_APPLICATION_FOCUS_OUT);
+	BIND_CONSTANT(NOTIFICATION_TEXT_SERVER_CHANGED);
 
 	ADD_SIGNAL(MethodInfo("on_request_permissions_result", PropertyInfo(Variant::STRING, "permission"), PropertyInfo(Variant::BOOL, "granted")));
 };

core/os/main_loop.h

@@ -56,6 +56,7 @@ class MainLoop : public Object {
 		NOTIFICATION_APPLICATION_PAUSED = 2015,
 		NOTIFICATION_APPLICATION_FOCUS_IN = 2016,
 		NOTIFICATION_APPLICATION_FOCUS_OUT = 2017,
+		NOTIFICATION_TEXT_SERVER_CHANGED = 2018,
 	};
 
 	virtual void init();

core/string/translation.cpp

@@ -34,6 +34,11 @@
 #include "core/io/resource_loader.h"
 #include "core/os/os.h"
 
+#ifdef TOOLS_ENABLED
+#include "editor/editor_settings.h"
+#include "main/main.h"
+#endif
+
 // ISO 639-1 language codes, with the addition of glibc locales with their
 // regional identifiers. This list must match the language names (in English)
 // of locale_names.
@@ -1214,6 +1219,22 @@ void TranslationServer::set_tool_translation(const Ref<Translation> &p_translati
 	tool_translation = p_translation;
 }
 
+Ref<Translation> TranslationServer::get_tool_translation() const {
+	return tool_translation;
+}
+
+String TranslationServer::get_tool_locale() {
+#ifdef TOOLS_ENABLED
+	if (TranslationServer::get_singleton()->get_tool_translation().is_valid() && (Engine::get_singleton()->is_editor_hint() || Main::is_project_manager())) {
+		return tool_translation->get_locale();
+	} else {
+#else
+	{
+#endif
+		return get_locale();
+	}
+}
+
 StringName TranslationServer::tool_translate(const StringName &p_message, const StringName &p_context) const {
 	if (tool_translation.is_valid()) {
 		StringName r = tool_translation->get_message(p_message, p_context);

core/string/translation.h

@@ -110,7 +110,9 @@ class TranslationServer : public Object {
 	static String standardize_locale(const String &p_locale);
 	static String get_language_code(const String &p_locale);
 
+	String get_tool_locale();
 	void set_tool_translation(const Ref<Translation> &p_translation);
+	Ref<Translation> get_tool_translation() const;
 	StringName tool_translate(const StringName &p_message, const StringName &p_context = "") const;
 	StringName tool_translate_plural(const StringName &p_message, const StringName &p_message_plural, int p_n, const StringName &p_context = "") const;
 	void set_doc_translation(const Ref<Translation> &p_translation);

core/string/ustring.cpp

@@ -209,7 +209,6 @@ void CharString::copy_from(const char *p_cstr) {
 /*  String                                                               */
 /*************************************************************************/
 
-//TODO: move to TextServer
 //kind of poor should be rewritten properly
 String String::word_wrap(int p_chars_per_line) const {
 	int from = 0;
@@ -4796,7 +4795,7 @@ Vector<uint8_t> String::to_utf16_buffer() const {
 	Char16String charstr = s->utf16();
 
 	Vector<uint8_t> retval;
-	size_t len = charstr.length() * 2;
+	size_t len = charstr.length() * sizeof(char16_t);
 	retval.resize(len);
 	uint8_t *w = retval.ptrw();
 	copymem(w, (const void *)charstr.ptr(), len);
@@ -4811,7 +4810,7 @@ Vector<uint8_t> String::to_utf32_buffer() const {
 	}
 
 	Vector<uint8_t> retval;
-	size_t len = s->length() * 4;
+	size_t len = s->length() * sizeof(char32_t);
 	retval.resize(len);
 	uint8_t *w = retval.ptrw();
 	copymem(w, (const void *)s->ptr(), len);

core/string/ustring.h

@@ -28,8 +28,9 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
-#ifndef USTRING_H
-#define USTRING_H
+#ifndef USTRING_GODOT_H
+#define USTRING_GODOT_H
+// Note: Renamed to avoid conflict with ICU header with the same name.
 
 #include "core/templates/cowdata.h"
 #include "core/templates/vector.h"
@@ -555,4 +556,4 @@ _FORCE_INLINE_ Vector<String> sarray(P... p_args) {
 	return arr;
 }
 
-#endif // USTRING_H
+#endif // USTRING_GODOT_H

core/templates/hashfuncs.h

@@ -114,6 +114,24 @@ static inline uint32_t make_uint32_t(T p_in) {
 	return _u._u32;
 }
 
+static inline uint64_t hash_djb2_one_float_64(double p_in, uint64_t p_prev = 5381) {
+	union {
+		double d;
+		uint64_t i;
+	} u;
+
+	// Normalize +/- 0.0 and NaN values so they hash the same.
+	if (p_in == 0.0f) {
+		u.d = 0.0;
+	} else if (Math::is_nan(p_in)) {
+		u.d = Math_NAN;
+	} else {
+		u.d = p_in;
+	}
+
+	return ((p_prev << 5) + p_prev) + u.i;
+}
+
 static inline uint64_t hash_djb2_one_64(uint64_t p_in, uint64_t p_prev = 5381) {
 	return ((p_prev << 5) + p_prev) + p_in;
 }