Developer Posts

Sometimes even after licensing Foxit PDF SDK ActiveX you can still get a watermark on your PDF files. The most common problems causing that are described below: License is not applied correctly. Please call UnlockActiveX after the ActiveX component initialized.  Please also check if there is spacing in the unlock code that shouldn’t be there. axFoxitPDFSDK1.UnLockActiveX("XXXXXXXXXXX", "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"); […]

To use the OnShowSavePrompt function in Foxit PDF SDK ActiveX,  follow the guidelines below: Setting bShow=false will disable the prompt when closing the ActiveX. Setting the following will control how the PDF is handled without the prompt. // nResult=0 is not to save. // nResult=1 is to save. // nResult=6 no setting has been set. private void […]

It is possible to render only a section of a PDF with the functionality provided in Foxit PDF SDK. The steps to do that are outlined below: Foxit PDF SDK  Change the parameters of FSPDF_Page_GetMatrix before rendering Go to “samples\simple_sample\comm_src\fgsdk_common.cpp” of the evaluation package and locate the call for FSPDF_Page_GetMatrix Change the parameters.  For example, […]

To support non-standard fonts on Foxit PDF SDK, follow the steps outlined below: Use the FSCRT_Library_AddFontFile or use FSCRT_Library_SetFontMapperHandler. Create the callback to handle the non-standard font. static FSCRT_FONTMAPPERHANDLER ExternalFontMapper;  static FS_RESULT MapExternalFont(FS_LPVOID clientData, FS_LPCSTR fontName, FS_DWORD fontStyles, FS_INT32 weight, FS_INT32 charset, FSCRT_FILE *fontFile, FS_INT32 *faceIndex){         if(fontName=="randomFontName") {             //set fontFile to use the non-Standard font […]

To handle additional functionality or methods to Foxit PDF SDK Android C API demo, follow the steps below: Go to “samples\ViewerDemo\jni” and review how the implementation on how some of the API are already done.Tip: Look for functions that have similar parameters and use it as your template for writing your own. Create a new […]

To get text object from a position in a PDF file using Foxit PDF SDK, follow the steps outlined below: Read the PDF file. Load the page and get the page objects in that page. Use FSPDF_PageObjects_GetObjectAtPos to get the text object in a certain position. Note: use page object get rectangle to see the […]

The real size of an image object is inside the dictionary of the pdf file, get the image object and then get the dictionary data for the image object. Here is a simple example: FSCRT_PAGE page = NULL; ret = LoadPage(doc, i, &page); if (FSCRT_ERRCODE_SUCCESS != ret){ printf("Failed to load a given page.n"); return ret; […]

Yes, Foxit WebPDF Viewer supports Docker deployments. A Docker Image for WebPDF Viewer is provided in the Docker Hub public repository: https://hub.docker.com/r/foxitsoftware/webpdf/ Note: This article refers to a deprecated version of a Foxit Product. If you are still using Foxit WebPDF Viewer, please refer to your download package documents for Developer Guide and API Reference. […]

The string retrieved from interface FSPDF_TextPage_GetChars is a UTF-8 string. The interface FSPDF_TextPage_CountChars gets the count of characters in a page. “The length of string” and “the count of characters” are two totally different concepts. The length of a UTF-8 string represents how many bytes the UTF-8 string consumes, rather than how many characters the […]