Determining If a Script Requires Glyph Shaping

The following example calls ScriptGetProperties to find out if the script of each of several successive items requires glyph shaping.

const SCRIPT_PROPERTIES **g_ppScriptProperties;
int g_iMaxScript;

WCHAR *pwcInChars = L"Unicode string to itemize";
int cInChars = wcslen(pwcInChars);
const int cMaxItems = 20;
SCRIPT_ITEM si[cMaxItems + 1];
SCRIPT_ITEM *pItems = si;
int cItems;

ScriptGetProperties(&g_ppScriptProperties,
 &g_iMaxScript);

HRESULT hResult = ScriptItemize(pwcInChars,
 cInChars,
 cMaxItems,
 NULL,
 NULL,
 pItems,
 &cItems);
if (hResult == 0) {
 for (int i=0; i<cItems; i++) {
 if (g_ppScriptProperties[pItems[i].a.eScript]->fComplex) {

 // Item [i] is complex script text
 // requiring glyph shaping.

 } else {

 // The text may be rendered legibly without using Uniscribe. 
 // However, Uniscribe may still be used as a means of accessing 
 // font typographic features. 
 }
 }
} else {
 // Handle the error.
}

Related topics

Using Uniscribe