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Restrict pdf page size to 3840x3840 to avoid OOM on bad pdf documents

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This commit is contained in:
Felix Kauselmann 2018-01-09 20:06:44 +01:00
parent e935281b47
commit 10fe267176
1 changed files with 7 additions and 4 deletions
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11
common/pdf_comic.cpp
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@ -116,10 +116,13 @@ QImage PdfiumComic::getPage(const int page)
}
// TODO: make target DPI configurable
double width = (FPDF_GetPageWidth(pdfpage)/72)*150;
double height = (FPDF_GetPageHeight(pdfpage)/72)*150;
image = QImage(width, height, QImage::Format_ARGB32);// QImage::Format_RGBX8888);
QSize pagesize((FPDF_GetPageWidth(pdfpage)/72)*150,
(FPDF_GetPageHeight(pdfpage)/72)*150);
// TODO: max render size too
if (pagesize.width() > 3840 || pagesize.height() > 3840) {
pagesize.scale(3840, 3840, Qt::KeepAspectRatio);
}
image = QImage(pagesize, QImage::Format_ARGB32);// QImage::Format_RGBX8888);
if (image.isNull())
{
// TODO report OOM error