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Merge pull request #2863 from apache/3854-internalize.boxable
CAUSEWAY-3854: internalize boxable
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| module org.apache.causeway.extensions.tabular.pdf { | ||
| exports org.apache.causeway.extensions.tabular.pdf.factory; | ||
| exports org.apache.causeway.extensions.tabular.pdf.exporter; | ||
| exports org.apache.causeway.extensions.tabular.pdf; | ||
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| requires static lombok; | ||
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| requires java.desktop; | ||
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| requires org.apache.causeway.applib; | ||
| requires org.apache.causeway.commons; | ||
| requires org.apache.logging.log4j; | ||
| requires org.apache.pdfbox; | ||
| requires org.apache.pdfbox.io; | ||
| requires org.jsoup; | ||
| requires spring.context; | ||
| requires spring.core; | ||
| } |
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38 changes: 38 additions & 0 deletions
38
...lar/pdf/src/main/java/org/apache/causeway/extensions/tabular/pdf/factory/FontFactory.java
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.apache.causeway.extensions.tabular.pdf.factory; | ||
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| import org.apache.pdfbox.pdmodel.font.PDFont; | ||
| import org.apache.pdfbox.pdmodel.font.PDType1Font; | ||
| import org.apache.pdfbox.pdmodel.font.Standard14Fonts.FontName; | ||
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| import lombok.experimental.UtilityClass; | ||
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| @UtilityClass | ||
| class FontFactory { | ||
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| PDFont helvetica() { | ||
| return new PDType1Font(FontName.HELVETICA); | ||
| } | ||
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| PDFont helveticaBold() { | ||
| return new PDType1Font(FontName.HELVETICA_BOLD); | ||
| } | ||
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| } |
173 changes: 173 additions & 0 deletions
173
...bular/pdf/src/main/java/org/apache/causeway/extensions/tabular/pdf/factory/FontUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,173 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.apache.causeway.extensions.tabular.pdf.factory; | ||
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| import java.io.IOException; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
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| import org.apache.pdfbox.pdmodel.PDDocument; | ||
| import org.apache.pdfbox.pdmodel.font.PDFont; | ||
| import org.apache.pdfbox.pdmodel.font.PDType0Font; | ||
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| import lombok.experimental.UtilityClass; | ||
| import lombok.extern.log4j.Log4j2; | ||
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| @UtilityClass | ||
| @Log4j2 | ||
| public class FontUtils { | ||
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| private record FontMetrics( | ||
| float height, | ||
| float ascent, | ||
| float descent) { | ||
| } | ||
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| /** | ||
| * {@link HashMap} for caching {@link FontMetrics} for designated | ||
| * {@link PDFont} because {@link FontUtils#getHeight(PDFont, float)} is | ||
| * expensive to calculate and the results are only approximate. | ||
| */ | ||
| private static final Map<String, FontMetrics> fontMetrics = new HashMap<>(); | ||
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| private static final Map<String, PDFont> defaultFonts = new HashMap<>(); | ||
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| /** | ||
| * Loads the {@link PDType0Font} to be embedded in the specified | ||
| * {@link PDDocument}. | ||
| * @param document | ||
| * {@link PDDocument} where fonts will be loaded | ||
| * @param fontPath | ||
| * font path which will be loaded | ||
| * @return The read {@link PDType0Font} | ||
| */ | ||
| public static final PDType0Font loadFont(final PDDocument document, final String fontPath) { | ||
| try { | ||
| return PDType0Font.load(document, FontUtils.class.getClassLoader().getResourceAsStream(fontPath)); | ||
| } catch (IOException e) { | ||
| log.warn("Cannot load given external font", e); | ||
| return null; | ||
| } | ||
| } | ||
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| /** | ||
| * Retrieving {@link String} width depending on current font size. The width | ||
| * of the string in 1/1000 units of text space. | ||
| * @param font | ||
| * The font of text whose width will be retrieved | ||
| * @param text | ||
| * The text whose width will be retrieved | ||
| * @param fontSize | ||
| * The font size of text whose width will be retrieved | ||
| * @return text width | ||
| */ | ||
| public static float getStringWidth(final PDFont font, final String text, final float fontSize) { | ||
| try { | ||
| return font.getStringWidth(text) / 1000 * fontSize; | ||
| } catch (final IOException e) { | ||
| // turn into runtime exception | ||
| throw new IllegalStateException("Unable to determine text width", e); | ||
| } | ||
| } | ||
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| /** | ||
| * Calculate the font ascent distance. | ||
| * @param font | ||
| * The font from which calculation will be applied | ||
| * @param fontSize | ||
| * The font size from which calculation will be applied | ||
| * @return Positive font ascent distance | ||
| */ | ||
| public static float getAscent(final PDFont font, final float fontSize) { | ||
| final String fontName = font.getName(); | ||
| if (!fontMetrics.containsKey(fontName)) { | ||
| createFontMetrics(font); | ||
| } | ||
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| return fontMetrics.get(fontName).ascent * fontSize; | ||
| } | ||
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| /** | ||
| * Calculate the font descent distance. | ||
| * @param font | ||
| * The font from which calculation will be applied | ||
| * @param fontSize | ||
| * The font size from which calculation will be applied | ||
| * @return Negative font descent distance | ||
| */ | ||
| public static float getDescent(final PDFont font, final float fontSize) { | ||
| final String fontName = font.getName(); | ||
| if (!fontMetrics.containsKey(fontName)) { | ||
| createFontMetrics(font); | ||
| } | ||
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| return fontMetrics.get(fontName).descent * fontSize; | ||
| } | ||
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| /** | ||
| * Calculate the font height. | ||
| * @param font | ||
| * {@link PDFont} from which the height will be calculated. | ||
| * @param fontSize | ||
| * font size for current {@link PDFont}. | ||
| * @return {@link PDFont}'s height | ||
| */ | ||
| public static float getHeight(final PDFont font, final float fontSize) { | ||
| final String fontName = font.getName(); | ||
| if (!fontMetrics.containsKey(fontName)) { | ||
| createFontMetrics(font); | ||
| } | ||
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| return fontMetrics.get(fontName).height * fontSize; | ||
| } | ||
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| /** | ||
| * Create basic {@link FontMetrics} for current font. | ||
| * @param font | ||
| * The font from which calculation will be applied <<<<<<< HEAD | ||
| * @throws IOException | ||
| * If reading the font file fails ======= >>>>>>> using FreeSans | ||
| * as default font and added new free fonts | ||
| */ | ||
| private static void createFontMetrics(final PDFont font) { | ||
| final float base = font.getFontDescriptor().getXHeight() / 1000; | ||
| final float ascent = font.getFontDescriptor().getAscent() / 1000 - base; | ||
| final float descent = font.getFontDescriptor().getDescent() / 1000; | ||
| fontMetrics.put(font.getName(), new FontMetrics(base + ascent - descent, ascent, descent)); | ||
| } | ||
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| public static void addDefaultFonts(final PDFont font, final PDFont fontBold, final PDFont fontItalic, | ||
| final PDFont fontBoldItalic) { | ||
| defaultFonts.put("font", font); | ||
| defaultFonts.put("fontBold", fontBold); | ||
| defaultFonts.put("fontItalic", fontItalic); | ||
| defaultFonts.put("fontBoldItalic", fontBoldItalic); | ||
| } | ||
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| public static Map<String, PDFont> getDefaultfonts() { | ||
| return defaultFonts; | ||
| } | ||
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| public static void setSansFontsAsDefault(final PDDocument document) { | ||
| defaultFonts.put("font", loadFont(document, "fonts/FreeSans.ttf")); | ||
| defaultFonts.put("fontBold", loadFont(document, "fonts/FreeSansBold.ttf")); | ||
| defaultFonts.put("fontItalic", loadFont(document, "fonts/FreeSansOblique.ttf")); | ||
| defaultFonts.put("fontBoldItalic", loadFont(document, "fonts/FreeSansBoldOblique.ttf")); | ||
| } | ||
| } |
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