Marmelator/redaction-service
1
0
Fork 0
Code Issues Pull Requests 14 Actions Packages Projects Releases 622 Wiki Activity

RED-1813: Fixed to large images

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/parsing/PDFLinesTextStripper.java
View File

@ -189,18 +189,17 @@ public class PDFLinesTextStripper extends PDFTextStripper {
COSName objectName = (COSName) arguments.get(0);
PDXObject xobject = getResources().getXObject(objectName);
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
.getWidth(), (float) imageBounds.getHeight());
Rectangle2D rect = new Rectangle2D.Float(ctmNew.getTranslateX(), ctmNew.getTranslateY(), ctmNew.getScaleX(), ctmNew.getScaleY());
// Memory Hack - sofReference kills me
FieldUtils.writeField(pdfImage, "cachedImageSubsampling", -1, true);
FieldUtils.writeField(image, "cachedImageSubsampling", -1, true);
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) {
@ -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) {