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Page Scale: add pageSize KEEP #1798 (#1800)

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* add `scalePages.keepPageSize` i18n key (#1798)

* add KEEP option to frontend (#1798)

* extract ScalePagesController.getTargetSize() (#1798)

* make ScalePageController honor `pageSize` value `KEEP`

* PR feedback: make caption shorter, avoid unnecessary verbosity (#1798)

* Update messages_ar_AR.properties

---------

Co-authored-by: Anthony Stirling <77850077+Frooodle@users.noreply.github.com>
This commit is contained in:
Ignacio Carrera
2024-09-08 17:52:50 -03:00
committed by GitHub
parent 765289c89e
commit 580313151b
39 changed files with 83 additions and 24 deletions
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64
src/main/java/stirling/software/SPDF/controller/api/ScalePagesController.java
View File

@@ -47,30 +47,11 @@ public class ScalePagesController {
String targetPDRectangle = request.getPageSize();
float scaleFactor = request.getScaleFactor();
Map<String, PDRectangle> sizeMap = new HashMap<>();
// Add A0 - A10
sizeMap.put("A0", PDRectangle.A0);
sizeMap.put("A1", PDRectangle.A1);
sizeMap.put("A2", PDRectangle.A2);
sizeMap.put("A3", PDRectangle.A3);
sizeMap.put("A4", PDRectangle.A4);
sizeMap.put("A5", PDRectangle.A5);
sizeMap.put("A6", PDRectangle.A6);
// Add other sizes
sizeMap.put("LETTER", PDRectangle.LETTER);
sizeMap.put("LEGAL", PDRectangle.LEGAL);
if (!sizeMap.containsKey(targetPDRectangle)) {
throw new IllegalArgumentException(
"Invalid PDRectangle. It must be one of the following: A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10");
}
PDRectangle targetSize = sizeMap.get(targetPDRectangle);
PDDocument sourceDocument = Loader.loadPDF(file.getBytes());
PDDocument outputDocument = new PDDocument();
PDRectangle targetSize = getTargetSize(targetPDRectangle, sourceDocument);
int totalPages = sourceDocument.getNumberOfPages();
for (int i = 0; i < totalPages; i++) {
PDPage sourcePage = sourceDocument.getPage(i);
@@ -116,4 +97,45 @@ public class ScalePagesController {
Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+ "_scaled.pdf");
}
private PDRectangle getTargetSize(String targetPDRectangle, PDDocument sourceDocument) {
if (targetPDRectangle.equals("KEEP")) {
if (sourceDocument.getNumberOfPages() == 0) {
return null;
}
// use the first page to determine the target page size
PDPage sourcePage = sourceDocument.getPage(0);
PDRectangle sourceSize = sourcePage.getMediaBox();
return sourceSize;
}
Map<String, PDRectangle> sizeMap = getSizeMap();
if (sizeMap.containsKey(targetPDRectangle)) {
return sizeMap.get(targetPDRectangle);
}
throw new IllegalArgumentException(
"Invalid PDRectangle. It must be one of the following: A0, A1, A2, A3, A4, A5, A6, LETTER, LEGAL, KEEP");
}
private Map<String, PDRectangle> getSizeMap() {
Map<String, PDRectangle> sizeMap = new HashMap<>();
// Add A0 - A6
sizeMap.put("A0", PDRectangle.A0);
sizeMap.put("A1", PDRectangle.A1);
sizeMap.put("A2", PDRectangle.A2);
sizeMap.put("A3", PDRectangle.A3);
sizeMap.put("A4", PDRectangle.A4);
sizeMap.put("A5", PDRectangle.A5);
sizeMap.put("A6", PDRectangle.A6);
// Add other sizes
sizeMap.put("LETTER", PDRectangle.LETTER);
sizeMap.put("LEGAL", PDRectangle.LEGAL);
return sizeMap;
}
}

4
src/main/java/stirling/software/SPDF/model/api/PDFWithPageSize.java
View File

@@ -11,7 +11,7 @@ public class PDFWithPageSize extends PDFFile {
@Schema(
description =
"The scale of pages in the output PDF. Acceptable values are A0-A6, LETTER, LEGAL.",
allowableValues = {"A0", "A1", "A2", "A3", "A4", "A5", "A6", "LETTER", "LEGAL"})
"The scale of pages in the output PDF. Acceptable values are A0-A6, LETTER, LEGAL, KEEP.",
allowableValues = {"A0", "A1", "A2", "A3", "A4", "A5", "A6", "LETTER", "LEGAL", "KEEP"})
private String pageSize;
}