Debenu Quick PDF Library - PDF SDK Community Forum : image extraction http://www.quickpdf.org/forum/ Copyright (c) 2006-2013 Web Wiz Forums - All Rights Reserved. Sat, 23 May 2026 09:08:41 +0000 Thu, 23 Dec 2010 20:22:55 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 11.01 360 www.quickpdf.org/forum/RSS_post_feed.asp?TID=1692 <![CDATA[Debenu Quick PDF Library - PDF SDK Community Forum]]> http://www.quickpdf.org/forum/forum_images/QPDF_Forum_Title.png http://www.quickpdf.org/forum/ <![CDATA[image extraction : Never mind - read the documentation...]]> http://www.quickpdf.org/forum/image-extraction_topic1692_post7385.html#7385 Author: snelldl
Subject: 1692
Posted: 23 Dec 10 at 8:22PM

Never mind - read the documentation on DAFindPage and saw that they are one based, not zero based.]]> Thu, 23 Dec 2010 20:22:55 +0000 http://www.quickpdf.org/forum/image-extraction_topic1692_post7385.html#7385 <![CDATA[image extraction : I am trying to pull images from...]]> http://www.quickpdf.org/forum/image-extraction_topic1692_post7384.html#7384 Author: snelldl
Subject: 1692
Posted: 23 Dec 10 at 8:03PM

I am trying to pull images from this pdf: http://www.4dwebdesign.com/uploads/5238.pdf
As you can see, there is at least one image on the first page. However, the following code says there are no images on the first page:
 
int[] intImageTypes = new int[4];
                                                int intFileHandle = qp.DAOpenFile(strTempTargetPath + "/" + e.FileName, "");
                                                int intTotalPages = qp.DAGetPageCount(intFileHandle);
                                                for (int k = 0; k <= intTotalPages; k++)
                                                {
                                                    int intPageHandle = qp.DAFindPage(intFileHandle, k);
                                                    int intImageList = qp.DAGetPageImageList(intFileHandle, intPageHandle);
                                                    int intImageCount = qp.DAGetImageListCount(intFileHandle, intImageList);
                                                    for (int i = 0; i < intImageCount; i++)
                                                    {
                                                        int intImageType = qp.DAGetImageIntProperty(intFileHandle, intImageList, i, 400);
                                                        int intImageWidth = qp.DAGetImageIntProperty(intFileHandle, intImageList, i, 401);
 
                                                        int intImageHeight = qp.DAGetImageIntProperty(intFileHandle, intImageList, i, 402);
                                                        double intImageLeft = qp.DAGetImageDblProperty(intFileHandle, intImageList, i, 501);
                                                        double intImageRight = qp.DAGetImageDblProperty(intFileHandle, intImageList, i, 503);
                                                        double intImageTop = qp.DAGetImageDblProperty(intFileHandle, intImageList, i, 502);
                                                        double intImageBottom = qp.DAGetImageDblProperty(intFileHandle, intImageList, i, 508);
                                                        intImageTypes[intImageType] += 1;
                                                    }
                                                }
]]> Thu, 23 Dec 2010 20:03:54 +0000 http://www.quickpdf.org/forum/image-extraction_topic1692_post7384.html#7384