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package com.budwk.app.base.utils;
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import cn.hutool.core.io.FileUtil;
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import com.aspose.cells.FontConfigs;
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import com.aspose.cells.PdfSaveOptions;
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import com.aspose.cells.Workbook;
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import com.aspose.slides.FontsLoader;
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import com.aspose.slides.LoadOptions;
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import com.aspose.slides.Presentation;
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import com.aspose.words.Document;
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import com.aspose.words.FontSettings;
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import com.aspose.words.FontSourceBase;
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import com.aspose.words.MemoryFontSource;
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import com.aspose.words.SaveFormat;
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import com.budwk.app.base.exception.BaseException;
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import lombok.extern.slf4j.Slf4j;
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@@ -12,6 +18,8 @@ import lombok.extern.slf4j.Slf4j;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.Arrays;
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/**
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* 文档转换
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@@ -19,6 +27,81 @@ import java.io.IOException;
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@Slf4j
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public class OfficePlusUtil {
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private static final String DEFAULT_FONT_NAME = "Noto Sans SC";
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private static final String DEFAULT_FONT_RESOURCE = "/fonts/NotoSansSC-VF.ttf";
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private static final Object FONT_CONFIG_LOCK = new Object();
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private static volatile boolean fontConfigured;
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/**
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* 注册系统内置字体，并将其作为 Office 文档缺失字体或缺失字形时的默认回退字体。
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* 原文档字体在服务器可用时仍优先使用，只有找不到原字体时才使用内置字体。
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*/
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private static void configureDefaultFont() {
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if (fontConfigured) {
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return;
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}
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synchronized (FONT_CONFIG_LOCK) {
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if (fontConfigured) {
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return;
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}
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byte[] fontData = loadDefaultFontData();
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configureWordFont(fontData);
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configureExcelFont(fontData);
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FontsLoader.loadExternalFont(fontData);
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fontConfigured = true;
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}
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}
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/**
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* 从 classpath 读取随应用打包的字体，避免依赖线上服务器安装字体。
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*
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* @return 默认字体的二进制数据
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*/
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private static byte[] loadDefaultFontData() {
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try (InputStream inputStream = OfficePlusUtil.class.getResourceAsStream(DEFAULT_FONT_RESOURCE)) {
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if (inputStream == null) {
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throw new BaseException("系统内置默认字体不存在");
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}
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return inputStream.readAllBytes();
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} catch (IOException e) {
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log.error("读取系统内置默认字体失败", e);
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throw new BaseException("读取系统内置默认字体失败");
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}
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}
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/**
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* 为 Word 转换保留已有字体源并追加内置字体，同时配置缺失字体和缺失字形回退。
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*
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* @param fontData 默认字体的二进制数据
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*/
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private static void configureWordFont(byte[] fontData) {
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FontSettings fontSettings = FontSettings.getDefaultInstance();
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FontSourceBase[] currentSources = fontSettings.getFontsSources();
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FontSourceBase[] fontSources = Arrays.copyOf(currentSources, currentSources.length + 1);
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fontSources[currentSources.length] = new MemoryFontSource(fontData);
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fontSettings.setFontsSources(fontSources);
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fontSettings.getSubstitutionSettings().getDefaultFontSubstitution().setDefaultFontName(DEFAULT_FONT_NAME);
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try {
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fontSettings.getFallbackSettings().loadNotoFallbackSettings();
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} catch (Exception e) {
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log.error("配置 Word 默认字体回退规则失败", e);
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throw new BaseException("配置 Word 默认字体失败");
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}
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}
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/**
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* 为 Excel 转换追加内置字体，并将其设置为找不到原字体时的默认字体。
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*
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* @param fontData 默认字体的二进制数据
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*/
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private static void configureExcelFont(byte[] fontData) {
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com.aspose.cells.FontSourceBase[] currentSources = FontConfigs.getFontSources();
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com.aspose.cells.FontSourceBase[] fontSources = Arrays.copyOf(currentSources, currentSources.length + 1);
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fontSources[currentSources.length] = new com.aspose.cells.MemoryFontSource(fontData);
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FontConfigs.setFontSources(fontSources);
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FontConfigs.setDefaultFontName(DEFAULT_FONT_NAME);
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}
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/**
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* 转换
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*
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@@ -47,7 +130,11 @@ public class OfficePlusUtil {
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public static void presentationConvertPdf(String sourcePath, String targetPath) {
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Presentation presentation = null;
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try {
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presentation = new Presentation(sourcePath);
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configureDefaultFont();
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LoadOptions loadOptions = new LoadOptions();
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loadOptions.setDefaultRegularFont(DEFAULT_FONT_NAME);
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loadOptions.setDefaultAsianFont(DEFAULT_FONT_NAME);
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presentation = new Presentation(sourcePath, loadOptions);
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presentation.save(targetPath, com.aspose.slides.SaveFormat.Pdf);
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} catch (Exception e) {
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log.info("转换pdf报错", e);
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@@ -68,10 +155,12 @@ public class OfficePlusUtil {
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public static void excelConvertPdf(String sourcePath, String targetPath) {
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FileOutputStream fileOS = null;
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try {
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configureDefaultFont();
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Workbook wb = new Workbook(sourcePath);
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fileOS = new FileOutputStream(targetPath);
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PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();
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pdfSaveOptions.setOnePagePerSheet(true);
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pdfSaveOptions.setDefaultFont(DEFAULT_FONT_NAME);
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// for (int i = 0; i < 3; i++) {
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// wb.getWorksheets().get(i).getHorizontalPageBreaks().clear();
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// wb.getWorksheets().get(i).getVerticalPageBreaks().clear();
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@@ -105,6 +194,7 @@ public class OfficePlusUtil {
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public static void wordConvertPdf(String sourcePath, String targetPath) {
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FileOutputStream os = null;
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try {
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configureDefaultFont();
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File file = new File(targetPath);
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os = new FileOutputStream(file);
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Document doc = new Document(sourcePath);
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@@ -0,0 +1,92 @@
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This Font Software is licensed under the SIL Open Font License,
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Version 1.1.
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This license is copied below, and is also available with a FAQ at:
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http://scripts.sil.org/OFL
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-----------------------------------------------------------
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SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
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-----------------------------------------------------------
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PREAMBLE
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The goals of the Open Font License (OFL) are to stimulate worldwide
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development of collaborative font projects, to support the font
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creation efforts of academic and linguistic communities, and to
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provide a free and open framework in which fonts may be shared and
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improved in partnership with others.
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The OFL allows the licensed fonts to be used, studied, modified and
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redistributed freely as long as they are not sold by themselves. The
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fonts, including any derivative works, can be bundled, embedded,
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redistributed and/or sold with any software provided that any reserved
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names are not used by derivative works. The fonts and derivatives,
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however, cannot be released under any other type of license. The
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requirement for fonts to remain under this license does not apply to
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any document created using the fonts or their derivatives.
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DEFINITIONS
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"Font Software" refers to the set of files released by the Copyright
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Holder(s) under this license and clearly marked as such. This may
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include source files, build scripts and documentation.
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"Reserved Font Name" refers to any names specified as such after the
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copyright statement(s).
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"Original Version" refers to the collection of Font Software
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components as distributed by the Copyright Holder(s).
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"Modified Version" refers to any derivative made by adding to,
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deleting, or substituting -- in part or in whole -- any of the
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components of the Original Version, by changing formats or by porting
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the Font Software to a new environment.
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"Author" refers to any designer, engineer, programmer, technical
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writer or other person who contributed to the Font Software.
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PERMISSION & CONDITIONS
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of the Font Software, to use, study, copy, merge, embed,
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modify, redistribute, and sell modified and unmodified copies of the
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Font Software, subject to the following conditions:
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1) Neither the Font Software nor any of its individual components, in
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Original or Modified Versions, may be sold by itself.
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2) Original or Modified Versions of the Font Software may be bundled,
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redistributed and/or sold with any software, provided that each copy
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contains the above copyright notice and this license. These can be
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included either as stand-alone text files, human-readable headers or
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in the appropriate machine-readable metadata fields within text or
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binary files as long as those fields can be easily viewed by the user.
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3) No Modified Version of the Font Software may use the Reserved Font
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Name(s) unless explicit written permission is granted by the
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corresponding Copyright Holder. This restriction only applies to the
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primary font name as presented to the users.
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4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
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Software shall not be used to promote, endorse or advertise any
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Modified Version, except to acknowledge the contribution(s) of the
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Copyright Holder(s) and the Author(s) or with their explicit written
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permission.
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5) The Font Software, modified or unmodified, in part or in whole,
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must be distributed entirely under this license, and must not be
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distributed under any other license. The requirement for fonts to
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remain under this license does not apply to any document created using
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the Font Software.
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TERMINATION
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This license becomes null and void if any of the above conditions are
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not met.
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DISCLAIMER
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THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
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OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
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COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
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DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
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OTHER DEALINGS IN THE FONT SOFTWARE.
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