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This commit is contained in:
Anthony Stirling
2023-07-05 22:21:43 +01:00
parent 4e28bf03bd
commit a3c7f5aa46
12 changed files with 411 additions and 19 deletions
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23
src/main/java/stirling/software/SPDF/controller/api/other/AutoRenameController.java
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@@ -77,7 +77,7 @@ public class AutoRenameController {
private static final Logger logger = LoggerFactory.getLogger(AutoRenameController.class);
private static final float TITLE_FONT_SIZE_THRESHOLD = 20.0f;
private static final int LINE_LIMIT = 7;
private static final int LINE_LIMIT = 11;
@PostMapping(consumes = "multipart/form-data", value = "/auto-rename")
@Operation(summary = "Extract header from PDF file", description = "This endpoint accepts a PDF file and attempts to extract its title or header based on heuristics. Input:PDF Output:PDF Type:SISO")
@@ -136,12 +136,25 @@ public class AutoRenameController {
super.getText(doc);
processLine(); // Process the last line
// Sort lines by font size in descending order and get the first one
lineInfos.sort(Comparator.comparing((LineInfo li) -> li.fontSize).reversed());
String title = lineInfos.isEmpty() ? null : lineInfos.get(0).text;
// Merge lines with same font size
List<LineInfo> mergedLineInfos = new ArrayList<>();
for (int i = 0; i < lineInfos.size(); i++) {
String mergedText = lineInfos.get(i).text;
float fontSize = lineInfos.get(i).fontSize;
while (i + 1 < lineInfos.size() && lineInfos.get(i + 1).fontSize == fontSize) {
mergedText += " " + lineInfos.get(i + 1).text;
i++;
}
mergedLineInfos.add(new LineInfo(mergedText, fontSize));
}
return title != null ? title : (useFirstTextAsFallback ? (lineInfos.isEmpty() ? null : lineInfos.get(lineInfos.size() - 1).text) : null);
// Sort lines by font size in descending order and get the first one
mergedLineInfos.sort(Comparator.comparing((LineInfo li) -> li.fontSize).reversed());
String title = mergedLineInfos.isEmpty() ? null : mergedLineInfos.get(0).text;
return title != null ? title : (useFirstTextAsFallback ? (mergedLineInfos.isEmpty() ? null : mergedLineInfos.get(mergedLineInfos.size() - 1).text) : null);
}
};
String header = reader.getText(document);

2
src/main/java/stirling/software/SPDF/controller/web/OtherWebController.java
View File

@@ -147,4 +147,6 @@ public class OtherWebController {
return "other/auto-rename";
}
}