242 lines
6.4 KiB
JavaScript
242 lines
6.4 KiB
JavaScript
/*
|
|
* (c) Copyright Ascensio System SIA 2010-2024
|
|
*
|
|
* This program is a free software product. You can redistribute it and/or
|
|
* modify it under the terms of the GNU Affero General Public License (AGPL)
|
|
* version 3 as published by the Free Software Foundation. In accordance with
|
|
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
|
|
* that Ascensio System SIA expressly excludes the warranty of non-infringement
|
|
* of any third-party rights.
|
|
*
|
|
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
|
|
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
|
|
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
|
|
*
|
|
* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
|
|
* street, Riga, Latvia, EU, LV-1050.
|
|
*
|
|
* The interactive user interfaces in modified source and object code versions
|
|
* of the Program must display Appropriate Legal Notices, as required under
|
|
* Section 5 of the GNU AGPL version 3.
|
|
*
|
|
* Pursuant to Section 7(b) of the License you must retain the original Product
|
|
* logo when distributing the program. Pursuant to Section 7(e) we decline to
|
|
* grant you any rights under trademark law for use of our trademarks.
|
|
*
|
|
* All the Product's GUI elements, including illustrations and icon sets, as
|
|
* well as technical writing content are licensed under the terms of the
|
|
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
|
|
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
|
|
*
|
|
*/
|
|
|
|
(function(window, undefined) {
|
|
|
|
window['AscFonts'] = window['AscFonts'] || {};
|
|
var AscFonts = window['AscFonts'];
|
|
|
|
var g_native_engine = null;
|
|
|
|
function CReturnObject()
|
|
{
|
|
this.error = 0;
|
|
}
|
|
CReturnObject.prototype.free = function()
|
|
{
|
|
};
|
|
|
|
let g_return_obj = new CReturnObject();
|
|
let g_return_obj_count = new CReturnObject();
|
|
g_return_obj_count.count = 0;
|
|
|
|
AscFonts.CopyStreamToMemory = function(data, size)
|
|
{
|
|
return data;
|
|
};
|
|
|
|
AscFonts.GetUint8ArrayFromPointer = function(pointer, size)
|
|
{
|
|
return pointer;
|
|
};
|
|
|
|
function CShapeString(size)
|
|
{
|
|
this.size = size;
|
|
this.pointer = new Uint8Array(size);
|
|
}
|
|
CShapeString.prototype.getBuffer = function()
|
|
{
|
|
return this.pointer;
|
|
};
|
|
CShapeString.prototype.free = function()
|
|
{
|
|
// GC
|
|
};
|
|
CShapeString.prototype.set = function(index, value)
|
|
{
|
|
this.pointer[index] = value;
|
|
};
|
|
|
|
AscFonts.AllocString = function(size)
|
|
{
|
|
return new CShapeString(size);
|
|
};
|
|
|
|
AscFonts.FT_CreateLibrary = function(library)
|
|
{
|
|
return g_native_engine["FT_Init"](library);
|
|
};
|
|
AscFonts.FT_Done_Library = function(face)
|
|
{
|
|
if (face)
|
|
g_native_engine.FT_Free(face);
|
|
};
|
|
AscFonts.FT_Set_TrueType_HintProp = function(library, tt_interpreter)
|
|
{
|
|
return g_native_engine["FT_Set_TrueType_HintProp"](library, tt_interpreter);
|
|
};
|
|
|
|
AscFonts.FT_Open_Face = function(library, memory, len, face_index)
|
|
{
|
|
return g_native_engine["FT_Open_Face2"](library, memory, face_index);
|
|
};
|
|
AscFonts.FT_Done_Face = function(face)
|
|
{
|
|
if (face)
|
|
g_native_engine["FT_Free"](face);
|
|
};
|
|
AscFonts.FT_SetCMapForCharCode = function(face, unicode)
|
|
{
|
|
return g_native_engine["FT_SetCMapForCharCode"](face, unicode);
|
|
};
|
|
AscFonts.FT_GetKerningX = function(face, gid1, gid2)
|
|
{
|
|
return g_native_engine["FT_GetKerningX"](face, gid1, gid2);
|
|
};
|
|
AscFonts.FT_GetFaceMaxAdvanceX = function(face)
|
|
{
|
|
return g_native_engine["FT_GetFaceMaxAdvanceX"](face);
|
|
};
|
|
AscFonts.FT_Set_Transform = function(face, xx, yx, xy, yy)
|
|
{
|
|
return g_native_engine["FT_Set_Transform"](face, xx, yx, xy, yy);
|
|
};
|
|
AscFonts.FT_Set_Char_Size = function(face, cw, ch, hres, vres)
|
|
{
|
|
return g_native_engine["FT_Set_Char_Size"](face, cw, ch, hres, vres);
|
|
};
|
|
AscFonts.FT_GetFaceInfo = function(face, reader)
|
|
{
|
|
var data = g_native_engine["FT_GetFaceInfo"](face);
|
|
if (!data)
|
|
{
|
|
g_return_obj.error = 1;
|
|
return g_return_obj;
|
|
}
|
|
|
|
g_return_obj.error = 0;
|
|
reader.init(data, 0, data.length);
|
|
return g_return_obj;
|
|
};
|
|
|
|
AscFonts.FT_Load_Glyph = function(face, gid, mode)
|
|
{
|
|
return g_native_engine["FT_Load_Glyph"](face, gid, mode);
|
|
};
|
|
AscFonts.FT_SetCMapForCharCode = function(face, unicode)
|
|
{
|
|
return g_native_engine["FT_SetCMapForCharCode"](face, unicode);
|
|
}
|
|
AscFonts.FT_Get_Glyph_Measure_Params = function(face, vector_worker, reader)
|
|
{
|
|
var data = g_native_engine["FT_Get_Glyph_Measure_Params"](face, vector_worker ? true : false);
|
|
if (!data)
|
|
{
|
|
g_return_obj_count.error = 1;
|
|
return g_return_obj_count;
|
|
}
|
|
|
|
reader.init(new Uint8Array(data, 0, data.length));
|
|
g_return_obj_count.count = reader.readInt();
|
|
g_return_obj_count.error = 0;
|
|
return g_return_obj_count;
|
|
};
|
|
AscFonts.FT_Get_Glyph_Render_Params = function(face, render_mode, reader)
|
|
{
|
|
var data = g_native_engine["FT_Get_Glyph_Render_Params"](face, render_mode);
|
|
if (!data)
|
|
{
|
|
g_return_obj.error = 1;
|
|
return g_return_obj;
|
|
}
|
|
|
|
g_return_obj.error = 0;
|
|
reader.init(data, 0, data.length);
|
|
return g_return_obj;
|
|
};
|
|
AscFonts.FT_Get_Glyph_Render_Buffer = function(face, size)
|
|
{
|
|
return g_native_engine["FT_Get_Glyph_Render_Buffer"](face, size);
|
|
};
|
|
|
|
let hb_cache_languages = {};
|
|
AscFonts.HB_FontFree = function(font)
|
|
{
|
|
if (font)
|
|
g_native_engine["FT_Free"](font);
|
|
}
|
|
AscFonts.HB_ShapeText = function(fontFile, text, features, script, direction, language, reader)
|
|
{
|
|
if (!hb_cache_languages[language])
|
|
{
|
|
hb_cache_languages[language] = g_native_engine["HB_LanguageFromString"]();
|
|
}
|
|
|
|
if (!fontFile["GetHBFont"]())
|
|
fontFile["SetHBFont"](g_native_engine["HB_FontMalloc"]());
|
|
|
|
let data = g_native_engine["HB_ShapeText"](fontFile["GetFace"](), fontFile["GetHBFont"](), text.pointer, features, script, direction, hb_cache_languages[language]);
|
|
if (!data)
|
|
{
|
|
g_return_obj_count.error = 1;
|
|
return g_return_obj_count;
|
|
}
|
|
|
|
reader.init(new Uint8Array(data, 0, data.length));
|
|
let len = reader.readUInt();
|
|
let fontPointer = reader.readPointer64(); // just skip
|
|
|
|
g_return_obj_count.count = (len - 12) / 26;
|
|
g_return_obj_count.error = 0;
|
|
return g_return_obj_count;
|
|
};
|
|
|
|
AscFonts.Hyphen_Init = function()
|
|
{
|
|
// none
|
|
};
|
|
AscFonts.Hyphen_Destroy = function()
|
|
{
|
|
// GC
|
|
};
|
|
AscFonts.Hyphen_CheckDictionary = function(lang)
|
|
{
|
|
return g_native_engine["Hyphen_IsDictionaryExist"](lang);
|
|
};
|
|
AscFonts.Hyphen_LoadDictionary = function(lang, data)
|
|
{
|
|
return false;
|
|
};
|
|
AscFonts.Hyphen_Word = function(lang, word)
|
|
{
|
|
let ret = g_native_engine["Hyphen_Word"](lang, word);
|
|
return ret ? ret : [];
|
|
};
|
|
|
|
AscFonts.onLoadModule();
|
|
AscFonts.onLoadModule();
|
|
|
|
window["InitNativeTextMeasurer"] = function() { g_native_engine = CreateEmbedObject("CTextMeasurerEmbed"); };
|
|
|
|
})(window, undefined);
|