Marmelator/redaction-service
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RED-1813: Fixed to large images

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This commit is contained in:
Dominique Eifländer 2021-07-14 17:03:22 +02:00
parent a1926a4055
commit 84db91d74d
1 changed files with 5 additions and 21 deletions
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26
redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/parsing/PDFLinesTextStripper.java
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@ -189,18 +189,17 @@ public class PDFLinesTextStripper extends PDFTextStripper {
COSName objectName = (COSName) arguments.get(0); COSName objectName = (COSName) arguments.get(0);
PDXObject xobject = getResources().getXObject(objectName); PDXObject xobject = getResources().getXObject(objectName);
if (xobject instanceof PDImageXObject) { if (xobject instanceof PDImageXObject) {
PDImageXObject pdfImage = (PDImageXObject) xobject; PDImageXObject image = (PDImageXObject)xobject;
Rectangle2D imageBounds = calculateImagePosition(pdfImage); Matrix ctmNew = getGraphicsState().getCurrentTransformationMatrix();
Rectangle2D rect = new Rectangle2D.Float((float) imageBounds.getX(), (float) imageBounds.getY(), (float) imageBounds Rectangle2D rect = new Rectangle2D.Float(ctmNew.getTranslateX(), ctmNew.getTranslateY(), ctmNew.getScaleX(), ctmNew.getScaleY());
.getWidth(), (float) imageBounds.getHeight());
// Memory Hack - sofReference kills me // Memory Hack - sofReference kills me
FieldUtils.writeField(pdfImage, "cachedImageSubsampling", -1, true); FieldUtils.writeField(image, "cachedImageSubsampling", -1, true);
if (rect.getHeight() > 2 && rect.getWidth() > 2) { if (rect.getHeight() > 2 && rect.getWidth() > 2) {
this.images.add(new PdfImage(pdfImage.getImage(), rect, pageNumber)); this.images.add(new PdfImage(image.getImage(), rect, pageNumber));
} }
} }
} catch (Exception e) { } catch (Exception e) {
@ -209,21 +208,6 @@ public class PDFLinesTextStripper extends PDFTextStripper {
} }
private Rectangle2D calculateImagePosition(PDImageXObject pdfImage) throws IOException {
Matrix ctm = getGraphicsState().getCurrentTransformationMatrix();
Rectangle2D imageBounds = pdfImage.getImage().getRaster().getBounds();
AffineTransform imageTransform = new AffineTransform(ctm.createAffineTransform());
imageTransform.scale(1.0 / pdfImage.getWidth(), -1.0 / pdfImage.getHeight());
imageTransform.translate(0, -pdfImage.getHeight());
AffineTransform pageTransform = new AffineTransform();
pageTransform.concatenate(imageTransform);
return pageTransform.createTransformedShape(imageBounds).getBounds2D();
}
private float floatValue(COSBase value) { private float floatValue(COSBase value) {