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31 changes: 31 additions & 0 deletions
31
src/main/java/com/ririv/quickoutline/pdfProcess/PageLabel.java
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| package com.ririv.quickoutline.pdfProcess; | ||
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| //https://opensource.adobe.com/dc-acrobat-sdk-docs/standards/pdfstandards/pdf/PDF32000_2008.pdf#page=383 | ||
| //根据PDF标准 | ||
| //与iText的PageLabel对应 | ||
| public record PageLabel(int pageNum, PageLabelNumberingStyle numberingStyle, String labelPrefix, Integer firstPage){ | ||
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| public enum PageLabelNumberingStyle{ | ||
| /** | ||
| * 1, 2, 3, 4... | ||
| */ | ||
| DECIMAL_ARABIC_NUMERALS, | ||
| /** | ||
| * I, II, III, IV... | ||
| */ | ||
| UPPERCASE_ROMAN_NUMERALS, | ||
| /** | ||
| * i, ii, iii, iv... | ||
| */ | ||
| LOWERCASE_ROMAN_NUMERALS, | ||
| /** | ||
| * A, B, C, D... | ||
| */ | ||
| UPPERCASE_LETTERS, | ||
| /** | ||
| * a, b, c, d... | ||
| */ | ||
| LOWERCASE_LETTERS | ||
| } | ||
| } |
11 changes: 11 additions & 0 deletions
11
src/main/java/com/ririv/quickoutline/pdfProcess/PageLabelSetter.java
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| package com.ririv.quickoutline.pdfProcess; | ||
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| import java.io.IOException; | ||
| import java.util.List; | ||
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| public interface PageLabelSetter<T> { | ||
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| void setPageLabels(String srcFilePath, String destFilePath, List<PageLabel> labelList) throws IOException; | ||
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| T mapPageLabelNumberingStyle(PageLabel.PageLabelNumberingStyle numberingStyle); | ||
| } |
2 changes: 1 addition & 1 deletion
2
...koutline/pdfProcess/PdfViewScaleType.java → ...uickoutline/pdfProcess/ViewScaleType.java
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138 changes: 53 additions & 85 deletions
138
src/main/java/com/ririv/quickoutline/pdfProcess/itextImpl/ItextPageLabelSetter.java
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| @@ -1,106 +1,74 @@ | ||
| package com.ririv.quickoutline.pdfProcess.itextImpl; | ||
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| import com.itextpdf.io.font.constants.StandardFonts; | ||
| import com.itextpdf.kernel.font.PdfFont; | ||
| import com.itextpdf.kernel.font.PdfFontFactory; | ||
| import com.itextpdf.kernel.geom.PageSize; | ||
| import com.itextpdf.kernel.geom.Rectangle; | ||
| import com.itextpdf.kernel.pdf.*; | ||
| import com.itextpdf.kernel.pdf.action.PdfAction; | ||
| import com.itextpdf.kernel.pdf.annot.PdfAnnotation; | ||
| import com.itextpdf.kernel.pdf.annot.PdfTextAnnotation; | ||
| import com.itextpdf.kernel.pdf.canvas.PdfCanvas; | ||
| import com.itextpdf.kernel.pdf.xobject.PdfFormXObject; | ||
| import com.itextpdf.layout.Document; | ||
| import com.itextpdf.layout.element.AreaBreak; | ||
| import com.itextpdf.layout.element.Link; | ||
| import com.itextpdf.layout.element.Paragraph; | ||
| import com.itextpdf.kernel.pdf.PageLabelNumberingStyle; | ||
| import com.itextpdf.kernel.pdf.PdfDocument; | ||
| import com.itextpdf.kernel.pdf.PdfReader; | ||
| import com.itextpdf.kernel.pdf.PdfWriter; | ||
| import com.ririv.quickoutline.pdfProcess.PageLabel; | ||
| import com.ririv.quickoutline.pdfProcess.PageLabelSetter; | ||
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| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| public class ItextPageLabelSetter { | ||
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| public static final String DEST = "./target/sandbox/objects/page_labels.pdf"; | ||
| // https://kb.itextpdf.com/itext/page-labels | ||
| public class ItextPageLabelSetter implements PageLabelSetter<PageLabelNumberingStyle> { | ||
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| public static void main(String[] args) throws IOException { | ||
| final String SRC = ""; | ||
| final String DEST = "./target/sandbox/objects/page_labels.pdf"; | ||
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| List<PageLabel> labelList = new ArrayList<>(); | ||
| labelList.add(new PageLabel(1, PageLabel.PageLabelNumberingStyle.UPPERCASE_LETTERS,null,null)); | ||
| File file = new File(DEST); | ||
| file.getParentFile().mkdirs(); | ||
| new ItextPageLabelSetter().setPdfLabels(DEST); | ||
| new ItextPageLabelSetter().setPageLabels(SRC, DEST, labelList); | ||
| } | ||
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| protected void setPdfLabels(String dest) throws IOException { | ||
| PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest)); | ||
| Document doc = new Document(pdfDoc); | ||
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| PdfViewerPreferences viewerPreferences = new PdfViewerPreferences(); | ||
| viewerPreferences.setPrintScaling(PdfViewerPreferences.PdfViewerPreferencesConstants.NONE); | ||
| pdfDoc.getCatalog().setPageMode(PdfName.UseThumbs); | ||
| pdfDoc.getCatalog().setPageLayout(PdfName.TwoPageLeft); | ||
| pdfDoc.getCatalog().setViewerPreferences(viewerPreferences); | ||
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| doc.add(new Paragraph("Hello World")); | ||
| doc.add(new Paragraph("Hello People")); | ||
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| doc.add(new AreaBreak()); | ||
| PdfFont font = PdfFontFactory.createFont(StandardFonts.HELVETICA); | ||
| public void setPageLabels(String srcFilePath, String destFilePath, List<PageLabel> labelList) throws IOException { | ||
| PdfDocument pdfDoc = new PdfDocument(new PdfReader(srcFilePath), new PdfWriter(destFilePath)); | ||
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| // Add the text to the direct content, but not in the right order | ||
| PdfCanvas canvas = new PdfCanvas(pdfDoc.getPage(2)); | ||
| canvas.beginText(); | ||
| canvas.setFontAndSize(font, 12); | ||
| canvas.moveText(88.66f, 788); | ||
| canvas.showText("ld"); | ||
| canvas.moveText(-22f, 0); | ||
| canvas.showText("Wor"); | ||
| canvas.moveText(-15.33f, 0); | ||
| canvas.showText("llo"); | ||
| canvas.moveText(-15.33f, 0); | ||
| canvas.showText("He"); | ||
| canvas.endText(); | ||
| PdfFormXObject formXObject = new PdfFormXObject(new Rectangle(250, 25)); | ||
| new PdfCanvas(formXObject, pdfDoc).beginText() | ||
| .setFontAndSize(font, 12) | ||
| .moveText(0, 7) | ||
| .showText("Hello People") | ||
| .endText(); | ||
| canvas.addXObjectAt(formXObject, 36, 763); | ||
| for(PageLabel label: labelList){ | ||
| int pageNum = label.pageNum(); | ||
| PageLabelNumberingStyle numberingStyle = mapPageLabelNumberingStyle(label.numberingStyle()); | ||
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| pdfDoc.setDefaultPageSize(new PageSize(PageSize.A4).rotate()); | ||
| doc.add(new AreaBreak()); | ||
| doc.add(new Paragraph("Hello World")); | ||
| String labelPrefix = label.labelPrefix(); | ||
| Integer firstPage = label.firstPage(); | ||
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| pdfDoc.setDefaultPageSize(new PageSize(842, 595)); | ||
| doc.add(new AreaBreak()); | ||
| doc.add(new Paragraph("Hello World")); | ||
| if (label.firstPage() ==null){ | ||
| pdfDoc.getPage(pageNum).setPageLabel(numberingStyle, labelPrefix); | ||
| } else { | ||
| pdfDoc.getPage(pageNum).setPageLabel(numberingStyle, labelPrefix, firstPage); | ||
| } | ||
| } | ||
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| pdfDoc.setDefaultPageSize(PageSize.A4); | ||
| doc.add(new AreaBreak()); | ||
| pdfDoc.getLastPage().setCropBox(new Rectangle(10, 70, 525, 755)); | ||
| doc.add(new Paragraph("Hello World")); | ||
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| doc.add(new AreaBreak()); | ||
| pdfDoc.getLastPage().getPdfObject().put(PdfName.UserUnit, new PdfNumber(5)); | ||
| doc.add(new Paragraph("Hello World")); | ||
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| doc.add(new AreaBreak()); | ||
| pdfDoc.getLastPage().setArtBox(new Rectangle(36, 36, 523, 770)); | ||
| Paragraph p = new Paragraph("Hello ") | ||
| .add(new Link("World", PdfAction.createURI("http://maps.google.com"))); | ||
| doc.add(p); | ||
| PdfAnnotation a = new PdfTextAnnotation( | ||
| new Rectangle(36, 755, 30, 30)) | ||
| .setTitle(new PdfString("Example")) | ||
| .setContents("This is a post-it annotation"); | ||
| pdfDoc.getLastPage().addAnnotation(a); | ||
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| pdfDoc.getPage(1).setPageLabel(PageLabelNumberingStyle.UPPERCASE_LETTERS, null); | ||
| pdfDoc.getPage(3).setPageLabel(PageLabelNumberingStyle.DECIMAL_ARABIC_NUMERALS, null); | ||
| pdfDoc.getPage(4).setPageLabel(PageLabelNumberingStyle.DECIMAL_ARABIC_NUMERALS, "Custom-", 2); | ||
| } | ||
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| doc.close(); | ||
| @Override | ||
| public PageLabelNumberingStyle mapPageLabelNumberingStyle(PageLabel.PageLabelNumberingStyle numberingStyle) { | ||
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| switch (numberingStyle) { | ||
| case PageLabel.PageLabelNumberingStyle.DECIMAL_ARABIC_NUMERALS -> { | ||
| return PageLabelNumberingStyle.DECIMAL_ARABIC_NUMERALS; | ||
| } | ||
| case PageLabel.PageLabelNumberingStyle.LOWERCASE_ROMAN_NUMERALS -> { | ||
| return PageLabelNumberingStyle.LOWERCASE_ROMAN_NUMERALS; | ||
| } | ||
| case PageLabel.PageLabelNumberingStyle.UPPERCASE_ROMAN_NUMERALS-> { | ||
| return PageLabelNumberingStyle.UPPERCASE_ROMAN_NUMERALS; | ||
| } | ||
| case PageLabel.PageLabelNumberingStyle.LOWERCASE_LETTERS-> { | ||
| return PageLabelNumberingStyle.LOWERCASE_LETTERS; | ||
| } | ||
| case PageLabel.PageLabelNumberingStyle.UPPERCASE_LETTERS-> { | ||
| return PageLabelNumberingStyle.UPPERCASE_LETTERS; | ||
| } | ||
| case null -> { | ||
| return null; | ||
| } | ||
| } | ||
| } | ||
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| } |
18 changes: 18 additions & 0 deletions
18
src/main/java/com/ririv/quickoutline/service/PdfLabelService.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,18 @@ | ||
| package com.ririv.quickoutline.service; | ||
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| import com.itextpdf.kernel.pdf.PageLabelNumberingStyle; | ||
| import com.ririv.quickoutline.pdfProcess.PageLabel; | ||
| import com.ririv.quickoutline.pdfProcess.PageLabelSetter; | ||
| import com.ririv.quickoutline.pdfProcess.itextImpl.ItextPageLabelSetter; | ||
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| import java.io.IOException; | ||
| import java.util.List; | ||
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| public class PdfLabelService { | ||
| private final PageLabelSetter<PageLabelNumberingStyle> pageLabelSetter = new ItextPageLabelSetter(); | ||
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| public void setPageLabels(String srcFilePath, String destFilePath, List<PageLabel> labelList) throws IOException{ | ||
| pageLabelSetter.setPageLabels(srcFilePath, destFilePath, labelList); | ||
| } | ||
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| } |
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