FX_STRSIZE CFX_WideString::Replace(const FX_WCHAR* lpszOld, const FX_WCHAR* lpszNew)
{
if (GetLength() < 1) {
return 0;
}
if (lpszOld == NULL) {
return 0;
}
FX_STRSIZE nSourceLen = FXSYS_wcslen(lpszOld);
if (nSourceLen == 0) {
return 0;
}
FX_STRSIZE nReplacementLen = lpszNew ? FXSYS_wcslen(lpszNew) : 0;
FX_STRSIZE nCount = 0;
FX_WCHAR* lpszStart = m_pData->m_String;
FX_WCHAR* lpszEnd = m_pData->m_String + m_pData->m_nDataLength;
FX_WCHAR* lpszTarget;
{
while ((lpszTarget = (FX_WCHAR*)FXSYS_wcsstr(lpszStart, lpszOld)) != NULL && lpszStart < lpszEnd) {
nCount++;
lpszStart = lpszTarget + nSourceLen;
}
}
if (nCount > 0) {
CopyBeforeWrite();
FX_STRSIZE nOldLength = m_pData->m_nDataLength;
FX_STRSIZE nNewLength = nOldLength + (nReplacementLen - nSourceLen) * nCount;
if (m_pData->m_nAllocLength < nNewLength || m_pData->m_nRefs > 1) {
StringData* pOldData = m_pData;
const FX_WCHAR* pstr = m_pData->m_String;
m_pData = StringData::Create(nNewLength);
if (!m_pData) {
return 0;
}
FXSYS_memcpy(m_pData->m_String, pstr, pOldData->m_nDataLength * sizeof(FX_WCHAR));
pOldData->Release();
}
lpszStart = m_pData->m_String;
lpszEnd = m_pData->m_String + FX_MAX(m_pData->m_nDataLength, nNewLength);
{
while ((lpszTarget = (FX_WCHAR*)FXSYS_wcsstr(lpszStart, lpszOld)) != NULL && lpszStart < lpszEnd) {
FX_STRSIZE nBalance = nOldLength - (FX_STRSIZE)(lpszTarget - m_pData->m_String + nSourceLen);
FXSYS_memmove(lpszTarget + nReplacementLen, lpszTarget + nSourceLen, nBalance * sizeof(FX_WCHAR));
FXSYS_memcpy(lpszTarget, lpszNew, nReplacementLen * sizeof(FX_WCHAR));
lpszStart = lpszTarget + nReplacementLen;
lpszStart[nBalance] = 0;
nOldLength += (nReplacementLen - nSourceLen);
}
}
ASSERT(m_pData->m_String[nNewLength] == 0);
m_pData->m_nDataLength = nNewLength;
}
return nCount;
}
FX_BOOL CFPF_SkiaFont::GetGlyphBBox(FX_INT32 iGlyphIndex, FX_RECT &rtBBox)
{
if (!m_Face) {
return FALSE;
}
if (FXFT_Is_Face_Tricky(m_Face)) {
if (FXFT_Set_Char_Size(m_Face, 0, 1000 * 64, 72, 72)) {
return FALSE;
}
if (FXFT_Load_Glyph(m_Face, iGlyphIndex, FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH)) {
FXFT_Set_Pixel_Sizes(m_Face, 0, 64);
return FALSE;
}
FXFT_Glyph glyph;
if (FXFT_Get_Glyph(m_Face->glyph, &glyph)) {
FXFT_Set_Pixel_Sizes(m_Face, 0, 64);
return FALSE;
}
FXFT_BBox cbox;
FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox);
FX_INT32 x_ppem = m_Face->size->metrics.x_ppem;
FX_INT32 y_ppem = m_Face->size->metrics.y_ppem;
rtBBox.left = FPF_EM_ADJUST(x_ppem, cbox.xMin);
rtBBox.right = FPF_EM_ADJUST(x_ppem, cbox.xMax);
rtBBox.top = FPF_EM_ADJUST(y_ppem, cbox.yMax);
rtBBox.bottom = FPF_EM_ADJUST(y_ppem, cbox.yMin);
rtBBox.top = FX_MIN(rtBBox.top, GetAscent());
rtBBox.bottom = FX_MAX(rtBBox.bottom, GetDescent());
FXFT_Done_Glyph(glyph);
return FXFT_Set_Pixel_Sizes(m_Face, 0, 64) == 0;
}
if (FXFT_Load_Glyph(m_Face, iGlyphIndex, FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH)) {
return FALSE;
}
rtBBox.left = FPF_EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Glyph_HoriBearingX(m_Face));
rtBBox.bottom = FPF_EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Glyph_HoriBearingY(m_Face));
rtBBox.right = FPF_EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Glyph_HoriBearingX(m_Face) + FXFT_Get_Glyph_Width(m_Face));
rtBBox.top = FPF_EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Glyph_HoriBearingY(m_Face) - FXFT_Get_Glyph_Height(m_Face));
return TRUE;
}
