hades
2 years ago
5 changed files with 108 additions and 4 deletions
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package com.fr.design.form.util; |
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import com.fr.base.Style; |
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import com.fr.general.FRFont; |
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import com.fr.log.FineLoggerFactory; |
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import java.util.regex.Matcher; |
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import java.util.regex.Pattern; |
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/** |
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* 富文本导出工具栏 |
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* |
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* @author hades |
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* @version 11.0 |
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* Created by hades on 2022/5/19 |
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*/ |
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public class HtmlPaintUtils { |
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private static final Pattern FONT_SIZE_PATTERN = Pattern.compile(Pattern.quote("font-size:") + "(.*?)" + Pattern.quote("px")); |
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/** |
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* 设置单元格字体为富文本中的最大字体 |
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* |
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* @param style |
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*/ |
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public static Style deriveMaxFontFromRichChar(Style style, String html) { |
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int maxSize = style.getFRFont().getSize(); |
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Matcher matcher = FONT_SIZE_PATTERN.matcher(html); |
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while (matcher.find()) { |
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String value = matcher.group(1); |
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try { |
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double pxSize = Double.parseDouble(value); |
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int ptSize = FontTransformUtil.roundUp(FontTransformUtil.px2pt(pxSize)); |
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maxSize = Math.max(maxSize, ptSize); |
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} catch (Throwable e) { |
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FineLoggerFactory.getLogger().debug(e.getMessage(), e); |
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} |
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} |
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FRFont cellFont = style.getFRFont(); |
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return style.deriveFRFont(cellFont.applySize(maxSize)); |
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} |
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} |
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package com.fr.design.form.util; |
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import com.fr.base.Style; |
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import junit.framework.TestCase; |
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import org.junit.Assert; |
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/** |
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* @author hades |
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* @version 11.0 |
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* Created by hades on 2022/5/25 |
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*/ |
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public class HtmlPaintUtilsTest extends TestCase { |
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public void testDeriveMaxFontFromRichChar() { |
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// 富文本字体size更大
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String testHtml0 = "<span style=\"font-size:21px;font-family:'宋体';\">这是一条测试数据</span>"; |
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Style style0 = Style.DEFAULT_STYLE; |
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Assert.assertEquals(16, HtmlPaintUtils.deriveMaxFontFromRichChar(style0, testHtml0).getFRFont().getSize()); |
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// 单元格字体size更大
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String testHtml1 = "<span style=\"font-size:7px;font-family:'宋体';\">这是一条测试数据</span>"; |
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Style style1 = Style.DEFAULT_STYLE; |
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int oldFontSize = style1.getFRFont().getSize(); |
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Assert.assertEquals(oldFontSize, HtmlPaintUtils.deriveMaxFontFromRichChar(style1, testHtml1).getFRFont().getSize()); |
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// 富文本字体size更大 不同文本 有不同size
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String testHtml2 = "<span style=\"font-size:21px;font-family:'宋体';\">这是一条测</span><span style=\"font-size:31px;font-family:'宋体';\">试数</span><span style=\"font-size:21px;font-family:'宋体';\">据</span>"; |
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Style style2 = Style.DEFAULT_STYLE; |
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Assert.assertEquals(23, HtmlPaintUtils.deriveMaxFontFromRichChar(style2, testHtml2).getFRFont().getSize()); |
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// 异常场景1
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String testHtml3 = "xxxx奇怪的格式xxxx"; |
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Style style3 = Style.DEFAULT_STYLE; |
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oldFontSize = style1.getFRFont().getSize(); |
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Assert.assertEquals(oldFontSize, HtmlPaintUtils.deriveMaxFontFromRichChar(style3, testHtml3).getFRFont().getSize()); |
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// 异常场景2
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String testHtml4 = "<span style=\"font-size:xxxxpx;font-family:'宋体';\">这是一条测试数据</span>"; |
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Style style4 = Style.DEFAULT_STYLE; |
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oldFontSize = style1.getFRFont().getSize(); |
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Assert.assertEquals(oldFontSize, HtmlPaintUtils.deriveMaxFontFromRichChar(style4, testHtml4).getFRFont().getSize()); |
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} |
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} |
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