Chilkat Examples

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(C++) Add XMP MetaData to JPG or TIFF

Demonstrates how to add XMP metadata to a JPG or TIFF image that doesn't already have XMP metadata.

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#include <CkXmp.h>
#include <CkXml.h>

void ChilkatSample(void)
    {
    CkXmp xmp;

    bool success;

    success = xmp.UnlockComponent("Anything for 30-day trial.");
    if (success != true) {
        std::cout << xmp.lastErrorText() << "\r\n";
        return;
    }

    CkXml *xml = 0;

    //  The first step is to create a new XMP document, which is nothing
    //  more than XML.  The NewXmp method returns an XML document with
    //  the standard XMP boilerplate.
    xml = xmp.NewXmp();

    //  Add some properties...
    success = xmp.AddSimpleStr(*xml,"Iptc4xmpCore:Chilkat","Blah blah");
    //  If you wish to view the XML, save it to a file and review it
    //  with a text editor:
    success = xml->SaveXml("newXmp.xml");
    if (success != true) {
        std::cout << xml->lastErrorText() << "\r\n";
        return;
    }

    //  To add the XMP to the JPG (or TIFF), simply load the JPG,
    //  append the XMP, and save:
    success = xmp.LoadAppFile("scream.jpg");
    if (success != true) {
        std::cout << xmp.lastErrorText() << "\r\n";
        return;
    }

    success = xmp.Append(*xml);
    if (success != true) {
        std::cout << xmp.lastErrorText() << "\r\n";
        return;
    }

    success = xmp.SaveAppFile("screamOut.jpg");
    if (success != true) {
        std::cout << xmp.lastErrorText() << "\r\n";
        return;
    }


    }

 

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