/***********************************************************************
* PSDRV_GetTextExtentExPoint
*/
BOOL PSDRV_GetTextExtentExPoint(PSDRV_PDEVICE *physDev, LPCWSTR str, INT count,
INT maxExt, LPINT lpnFit, LPINT alpDx, LPSIZE size)
{
int nfit = 0;
int i;
float width = 0.0;
float scale;
assert(physDev->font.fontloc == Builtin);
TRACE("%s %i\n", debugstr_wn(str, count), count);
scale = physDev->font.fontinfo.Builtin.scale;
for (i = 0; i < count && str[i] != '\0'; ++i)
{
float scaled_width;
width += PSDRV_UVMetrics(str[i], physDev->font.fontinfo.Builtin.afm)->WX;
scaled_width = width * scale;
if (alpDx)
alpDx[i] = scaled_width;
if (scaled_width <= maxExt)
++nfit;
}
size->cx = width * physDev->font.fontinfo.Builtin.scale;
size->cy = physDev->font.fontinfo.Builtin.tm.tmHeight;
if (lpnFit)
*lpnFit = nfit;
TRACE("cx=%li cy=%li\n", size->cx, size->cy);
return TRUE;
}
BOOL PSDRV_WriteBuiltinGlyphShow(PSDRV_PDEVICE *physDev, LPCWSTR str, INT count)
{
int i;
LPCSTR name;
for (i = 0; i < count; ++i)
{
name = PSDRV_UVMetrics(str[i], physDev->font.fontinfo.Builtin.afm)->N->sz;
PSDRV_WriteGlyphShow(physDev, name);
}
return TRUE;
}
SHORT PSDRV_CalcAvgCharWidth(const AFM *afm)
{
float w = 0.0;
int i;
for (i = 0; i < 27; ++i)
{
const AFMMETRICS *afmm;
afmm = PSDRV_UVMetrics(UVweight[i].UV, afm);
if (afmm->UV != UVweight[i].UV) /* UVMetrics returns first glyph */
return MeanCharWidth(afm); /* in font if UV is missing */
w += afmm->WX * (float)(UVweight[i].weight);
}
w /= 1000.0;
return (SHORT)(w + 0.5);
}
/***********************************************************************
* PSDRV_GetCharWidth
*/
BOOL PSDRV_GetCharWidth(PSDRV_PDEVICE *physDev, UINT firstChar, UINT lastChar, LPINT buffer)
{
UINT i;
assert(physDev->font.fontloc == Builtin);
TRACE("U+%.4X U+%.4X\n", firstChar, lastChar);
if (lastChar > 0xffff || firstChar > lastChar)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
for (i = firstChar; i <= lastChar; ++i)
{
*buffer = floor( PSDRV_UVMetrics(i, physDev->font.fontinfo.Builtin.afm)->WX
* physDev->font.fontinfo.Builtin.scale + 0.5 );
TRACE("U+%.4X: %i\n", i, *buffer);
++buffer;
}
return TRUE;
}
