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(Unicode C) XMP Array Property - Bag, Seq, or AltHow to insert or update an XMP array property (bag, seq, or alt).
#include <C_CkXmpW.h> #include <C_CkXmlW.h> #include <C_CkStringArrayW.h> void ChilkatSample(void) { HCkXmpW xmp; BOOL success; HCkXmlW xml; HCkStringArrayW sa; // This requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. xmp = CkXmpW_Create(); // Load a JPG or TIF image file. // Sample JPG's with XMP metadata may be found at: // http://www.chilkatsoft.com/testData/xmp/sample1.jpg // http://www.chilkatsoft.com/testData/xmp/sample2.jpg // http://www.chilkatsoft.com/testData/xmp/sample3.jpg success = CkXmpW_LoadAppFile(xmp,L"sample1.jpg"); if (success != TRUE) { wprintf(L"%s\n",CkXmpW_lastErrorText(xmp)); CkXmpW_Dispose(xmp); return; } wprintf(L"Num embedded XMP docs: %d\n",CkXmpW_getNumEmbedded(xmp)); // Assuming there is at least one, get the 1st. // (There is typically never more than one, but theoretically it's possible.) xml = CkXmpW_GetEmbedded(xmp,0); if (CkXmpW_getLastMethodSuccess(xmp) == TRUE) { // Create an object to hold one or more string values. sa = CkStringArrayW_Create(); success = CkStringArrayW_Append(sa,L"value_1"); success = CkStringArrayW_Append(sa,L"value_2"); // ... success = CkXmpW_AddArray(xmp,xml,L"bag",L"Iptc4xmpCore:Chilkat",sa); if (success != TRUE) { wprintf(L"%s\n",CkXmpW_lastErrorText(xmp)); } else { // Save the JPG. success = CkXmpW_SaveAppFile(xmp,L"modified.jpg"); if (success != TRUE) { wprintf(L"%s\n",CkXmpW_lastErrorText(xmp)); } } CkXmlW_Dispose(xml); } else { wprintf(L"%s\n",CkXmpW_lastErrorText(xmp)); } CkXmpW_Dispose(xmp); CkStringArrayW_Dispose(sa); } |
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