void CLineImpl::Prepare(
IZ_UINT8* dst,
IZ_UINT pitch,
IZ_UINT ascent,
IFontHost* host)
{
IZ_UINT code = 0;
CUString string;
string.Init(m_Encode, m_Text, m_Bytes);
string.BeginIter();
IZ_UINT x = 0;
for (;;)
{
if (m_FontHost->GetEncodeType() == E_FONT_CHAR_ENCODE_UNICODE)
{
code = string.GetNextAsUnicode();
}
else
{
code = string.GetNext();
}
if (code == 0)
{
break;
}
IZ_UINT id = m_FontHost->GetGlyphID(code);
SGlyphMetrics metrics;
if (m_FontHost->GetGlyphMetricsByID(id, metrics))
{
x = this->CopyImage(
id,
dst,
x,
pitch,
ascent);
}
else
{
// TODO
}
}
string.EndIter();
}
IZ_UINT CLineImpl::GetLineWidth()
{
if (m_Text == IZ_NULL)
{
return 0;
}
CUString string;
string.Init(m_Encode, m_Text, m_Bytes);
IZ_UINT width = 0;
IZ_UINT code = 0;
string.BeginIter();
for (;;)
{
if (m_FontHost->GetEncodeType() == E_FONT_CHAR_ENCODE_UNICODE)
{
code = string.GetNextAsUnicode();
}
else
{
code = string.GetNext();
}
if (code == 0)
{
break;
}
SGlyphMetrics metrics;
if (m_FontHost->GetGlyphMetricsByCode(code, metrics))
{
width += metrics.advance;
}
else
{
// TODO
}
}
string.EndIter();
return width;
}