FMUC_GetStringWidth.c

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#include                <string.h>
#include                "FBLib_FontManager.h"
 
dword FMUC_GetStringWidth(const char *Text, tFontDataUC *FontData)
{
  TRACEENTER();
 
  dword                 Width = 0;
  tGlyphCacheUC        *GlyphData;
  const byte           *p, *pEnd;
  byte                  BytesPerChar;
 
  if(!Text || !Text[0] || !FontData)
  {
    TRACEEXIT();
    return 0;
  }
 
  p = Text;
  pEnd = p + strlen(Text);
 
  while(p < pEnd)
  {
    GlyphData = FMUC_GetGlyphData(FontData, p, &BytesPerChar);
    if(GlyphData && !FMUC_IsDiacriticalMark(UTF8ToUTF32(p, NULL))) Width += GlyphData->Width;
    p += BytesPerChar;
  }
 
  TRACEEXIT();
  return Width;
}