内容简介:【这里列出了Aspose.Words 19.2中引入的公共API更改。它不仅包括新的和过时的公共方法,还包括对Aspose.Words中幕后行为的任何变化的描述,这可能会影响现有代码。引入的任何行为都可以被可能修改现有行为,这一点尤为重要,并在此处进行了说明。
Aspose.Words 无需Microsoft Word 也可在任何平台上满足Word文档的一切操作需求。2019年2月Aspose.Words发布v19.2,以下是v19.2更新说明:
核心 | 概述 | 类别 |
WORDSNET-14532 | 改进字体替换API | 新增功能 |
WORDSNET-16111 | LINQ报告中的错误处理 | 新增功能 |
WORDSNET-15203 | 当LINQ报告语法不正确时,添加更多有用的异常消息 | 新增功能 |
WORDSNET-17047 | ActiveX控件渲染//保存为PDF时,单选按钮呈锯齿状 | 增强 |
WORDSNET-17725 | 从HTML导入后,Border的宽度为零 | 增强 |
WORDSNET-11331 | 从DOCX转换为DOC/PDF出现空行 | 增强 |
WORDSNET-17405 | 文本将呈现到下一页 | 增强 |
WORDSNET-14851 | PDF中的布局与WORD文档中的布局不同 | 增强 |
WORDSNET-15008 | 表格内容与页脚重叠,不会转到PDF格式的下一页 | 增强 |
WORDSNET-16413 | 内容控件在输出PDF中显示在下一个 | 增强 |
WORDSNET-17532 | 单元格中断包含在下一页 | 增强 |
WORDSNET-13756 | 为ReportingEngine.BuildReport抛出有意义的异常 | 增强 |
WORDSNET-17950 | 从Aspose.Words.Tests中提取常用测试代码 | 增强 |
WORDSNET-17809 | ReportingEngine.buildReport抛出java.lang.IllegalStateException | 增强 |
WORDSNET-17404 | 内容将下推到输出PDF中的下一页 | 增强 |
WORDSNET-18018 | DOC / X到PDF - 消耗大量内存并占用太多时间 | 性能 |
WORDSNET-17911 | 加载大ODT文件会占用太多时间 | 性能 |
... | ... | ... |
公共API和向后不兼容的更改
这里列出了Aspose.Words 19.2中引入的公共API更改。它不仅包括新的和过时的公共方法,还包括对Aspose.Words中幕后行为的任何变化的描述,这可能会影响现有代码。引入的任何行为都可以被可能修改现有行为,这一点尤为重要,并在此处进行了说明。
调整当保存为PDF时,图像处理问题的警告信息
WORDSNET-17338已经被解决
以前有一个通用警告文本“不支持的图像格式”。现在有一个针对OutOfMemoryException的特定警告,文本“没有足够的内存来加载图像”。以及带有文字的通用警告“无法处理图像。可能不支持的图像格式”。
字体替换过程和公共API的更改
WORDSNET-14532现已解决:
字体提取和替换机制已更改
以前的字体提取过程是:
- 确切的字体名称匹配
- 从文档中嵌入字体数据
- 为字体名称指定的字体替换
- FontInfo中的AltName(如果有)和AltName的替代
- 如果存在FontInfo并且设置了EnableFontSubstitution,则替换字体
- DefaultFontName和DefaultFontName的替代
- 可用字体来源的任何字体
- “Fanwood”字体嵌入到汇编中
现在字体提取过程是:
- 确切的字体名称匹配
- 从文档中嵌入字体数据
- FontInfo的AltName(如果有的话)
-
字体替换规则
- fontconfig替换
- 表替换字体名称和alt名称
- 字体信息替换
- 默认字体替换
- 可用字体来源的任何字体
- “Fanwood”字体嵌入到汇编中
为字体替换设置添加了新的公共API。与字体替换相关的之前的API方法/属性已过时
public class FontSettings { /// <summary> /// Settings related to font substitution mechanism. /// </summary> public FontSubstitutionSettings SubstitutionSettings { get; } [Obsolete("This property is obsolete. Please use SubstitutionSettings.DefaultFontSubstitution instead.")] public string DefaultFontName { get; set; } [Obsolete("This property is obsolete. Please use SubstitutionSettings.FontInfoSubstitution instead.")] public bool EnableFontSubstitution { get; set; } [Obsolete("This method is obsolete. Please use SubstitutionSettings.TableSubstitution instead.")] public string[] GetFontSubstitutes(string originalFontName); [Obsolete("This method is obsolete. Please use SubstitutionSettings.TableSubstitution instead.")] public void SetFontSubstitutes(string originalFontName, params string[] substituteFontNames); [Obsolete("This method is obsolete. Please use SubstitutionSettings.TableSubstitution instead.")] public void AddFontSubstitutes(string originalFontName, params string[] substituteFontNames); } /// <summary> /// Specifies font substitution mechanism settings. /// </summary> /// <remarks> /// <para> /// Font substitution process consists of several rules which are checked one by one in specific order. /// If the first rule can't resolve the font then second rule is checked and so on.</para> /// <para>The order of the rules is following: /// 1. Font config substitution rule (disabled by default) /// 2. Table substitution rule (enabled by default) /// 3. Font info substitution rule (enabled by default) /// 4. Default font rule (enabled by default) /// </para> /// <para> /// Note that font info substitution rule will always resolve the font if <see cref="FontInfo"/> is available /// and will override the default font rule. If you want to use the default font rule then you should disable the /// font info substitution rule. /// </para> /// <para> /// Note that font config substitution rule will resolve the font in most cases and thus overrides all other rules. /// </para> /// </remarks> public class FontSubstitutionSettings { /// <summary> /// Settings related to table substitution rule. /// </summary> public TableSubstitutionRule TableSubstitution { get; } /// <summary> /// Settings related to font info substitution rule. /// </summary> public FontInfoSubstitutionRule FontInfoSubstitution { get; } /// <summary> /// Settings related to default font substitution rule. /// </summary> public DefaultFontSubstitutionRule DefaultFontSubstitution { get; } /// <summary> /// Settings related to font config substitution rule. /// </summary> public FontConfigSubstitutionRule FontConfigSubstitution { get; } } /// <summary> /// This is an abstract base class for the font substitution rule. /// </summary> public abstract class FontSubstitutionRule { /// <summary> /// Specifies whether the rule is enabled or not. /// </summary> public bool Enabled { get; set; } } /// <summary> /// Font config substitution rule. /// </summary> /// <remarks> /// <para> /// This rule uses fontconfig utility on Linux (and other Unix-like) platforms to get the substitution /// if the original font is not available. /// </para> /// <para> /// If fontconfig utility is not available then this rule will be ignored. /// </para> /// </remarks> public class FontConfigSubstitutionRule : FontSubstitutionRule { /// <summary> /// Check if fontconfig utility is available or not. /// </summary> public bool IsFontConfigAvailable(); /// <summary> /// Resets the cache of fontconfig calling results. /// </summary> public void ResetCache(); } /// <summary> /// Table font substitution rule. /// </summary> /// <remarks> /// This rule defines the list of substitute font names to be used if the original font is not available. /// Substitutes will be checked for the font name and the <see cref="FontInfo.AltName"/> (if any). /// </remarks> public class TableSubstitutionRule : FontSubstitutionRule { /// <summary> /// Loads table substitution settings from XML file. /// </summary> /// <param name="fileName">Input file name.</param> public void Load(string fileName); /// <summary> /// Loads table substitution settings from XML stream. /// </summary> /// <param name="stream">Input stream.</param> public void Load(Stream stream); /// <summary> /// Loads predefined table substitution settings for Windows platform. /// </summary> public void LoadWindowsSettings(); /// <summary> /// Loads predefined table substitution settings for Linux platform. /// </summary> public void LoadLinuxSettings(); /// <summary> /// Saves the current table substitution settings to file. /// </summary> /// <param name="fileName">Output file name.</param> public void Save(string fileName); /// <summary> /// Saves the current table substitution settings to stream. /// </summary> /// <param name="outputStream">Output stream.</param> public void Save(Stream outputStream); /// <summary> /// Returns array containing substitute font names for the specified original font name. /// </summary> /// <param name="originalFontName">Original font name.</param> /// <returns>List of alternative font names.</returns> public IEnumerable<string> GetSubstitutes(string originalFontName); /// <summary> /// Override substitute font names for given original font name. /// </summary> /// <param name="originalFontName">Original font name.</param> /// <param name="substituteFontNames">List of alternative font names.</param> public void SetSubstitutes(string originalFontName, IEnumerable<string> substituteFontNames); /// <summary> /// Override substitute font names for given original font name. /// </summary> /// <param name="originalFontName">Original font name.</param> /// <param name="substituteFontNames">List of alternative font names.</param> public void SetSubstitutes(string originalFontName, params string[] substituteFontNames); /// <summary> /// Adds substitute font names for given original font name. /// </summary> /// <param name="originalFontName">Original font name.</param> /// <param name="substituteFontNames">List of alternative font names.</param> public void AddSubstitutes(string originalFontName, IEnumerable<string> substituteFontNames); /// <summary> /// Adds substitute font names for given original font name. /// </summary> /// <param name="originalFontName">Original font name.</param> /// <param name="substituteFontNames">List of alternative font names.</param> public void AddSubstitutes(string originalFontName, params string[] substituteFontNames); } /// <summary> /// Font info substitution rule. /// </summary> /// <remarks> /// According to this rule Aspose.Words evaluates all the related fields in <see cref="FontInfo"/> (Panose, Sig etc) for /// the missing font and finds the closest match among the available font sources. If <see cref="FontInfo"/> is not /// available for the missing font then nothing will be done. /// </remarks> public class FontInfoSubstitutionRule : FontSubstitutionRule { } /// <summary> /// Default font substitution rule. /// </summary> /// <remarks> /// This rule defines single default font name to be used for substitution if the original font is not available. /// </remarks> public class DefaultFontSubstitutionRule : FontSubstitutionRule { /// <summary> /// Gets or sets the default font name. /// </summary> /// <remarks> /// <para>The default value is 'Times New Roman'.</para> /// </remarks> public string DefaultFontName { get; set; } }复制代码
删除了不推荐使用的公共属性TxtSaveOptions.ExportHeadersFooters
问题 :WORDSNET-17560
删除已弃用的公共属性TxtSaveOptions.ExportHeadersFooters:
// Specifies whether to output headers and footers when exporting in plain text format.// Default value is true.public bool ExportHeadersFooters复制代码
请改用TxtSaveOptions.ExportHeadersFootersMode属性。
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