PDFToImages [1035116]

< > BotCompany Repo | #1035116 // PDFToImages

JavaX fragment (include) [tags: use-pretranspiled]

sclass PDFToImages is AutoCloseable {
  // DPI to use for images
  settable int dpi = 150;

  // the loaded document + the page renderer
  PDDocument document;
  PDFRenderer pdfRenderer;
  
  *(File pdfFile) {
    document = loadPDF(pdfFile);
  }
  
  void init {
    pdfRenderer if null = new PDFRenderer(document);
  }
  
  int nPages aka pageCount() { ret document.getNumberOfPages(); }
  
  // pages are counted from 0
  BufferedImage getPageImage(int page) ctex {
    init();
    ret pdfRenderer.renderImageWithDPI(page, dpi, ImageType.RGB);
  }
  
  L<BufferedImage> pageImages() {
    ret virtualList getPageImage(nPages());
  }
  
  close { dispose document; }
}

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Snippet ID:

#1035116

Snippet name:

PDFToImages

Eternal ID of this version:

#1035116/6

Text MD5:

2eba87eff4a96b5b4ff5386c8dcfd281

Transpilation MD5:

7d2fe4230182377e7bffb5312092148e

Author:

stefan

Category:

javax / pdfbox

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2022-03-30 13:23:42

Source code size:

699 bytes / 30 lines

Pitched / IR pitched:

No / No

Views / Downloads:

532 / 675

Version history:

5 change(s)

Referenced in:

[show references]

1	sclass PDFToImages is AutoCloseable {
2	// DPI to use for images
3	settable int dpi = 150;
4
5	// the loaded document + the page renderer
6	PDDocument document;
7	PDFRenderer pdfRenderer;
8
9	*(File pdfFile) {
10	document = loadPDF(pdfFile);
11	}
12
13	void init {
14	pdfRenderer if null = new PDFRenderer(document);
15	}
16
17	int nPages aka pageCount() { ret document.getNumberOfPages(); }
18
19	// pages are counted from 0
20	BufferedImage getPageImage(int page) ctex {
21	init();
22	ret pdfRenderer.renderImageWithDPI(page, dpi, ImageType.RGB);
23	}
24
25	L<BufferedImage> pageImages() {
26	ret virtualList getPageImage(nPages());
27	}
28
29	close { dispose document; }
30	}