const uint8_t *FPNGTexture::GetColumn (unsigned int column, const Span **spans_out)
{
if (Pixels == NULL)
{
MakeTexture ();
}
if ((unsigned)column >= (unsigned)Width)
{
if (WidthMask + 1 == Width)
{
column &= WidthMask;
}
else
{
column %= Width;
}
}
if (spans_out != NULL)
{
if (Spans == NULL)
{
Spans = CreateSpans (Pixels);
}
*spans_out = Spans[column];
}
return Pixels + column*Height;
}
const BYTE *FMultiPatchTexture::GetColumn (unsigned int column, const Span **spans_out)
{
if (bRedirect)
{
return Parts->Texture->GetColumn (column, spans_out);
}
if (Pixels == NULL)
{
MakeTexture ();
}
if ((unsigned)column >= (unsigned)Width)
{
if (WidthMask + 1 == Width)
{
column &= WidthMask;
}
else
{
column %= Width;
}
}
if (spans_out != NULL)
{
if (Spans == NULL)
{
Spans = CreateSpans (Pixels);
}
*spans_out = Spans[column];
}
return Pixels + column*Height;
}
const BYTE* FCELTexture::GetColumn(unsigned int column, const Span** spans)
{
if (m_pixels == NULL)
{
MakeTexture();
}
if (DWORD(column) >= DWORD(Width))
{
if (WidthMask + 1 == Width)
{
column &= WidthMask;
}
else
{
column %= Width;
}
}
if (NULL != spans)
{
if (NULL == m_spans)
{
m_spans = CreateSpans(m_pixels);
}
*spans = m_spans[column];
}
return m_pixels + column * Height;
}
const BYTE *FWarpTexture::GetColumn (unsigned int column, const Span **spans_out)
{
DWORD time = r_FrameTime;
if (Pixels == NULL || time != GenTime)
{
MakeTexture (time);
}
if ((unsigned)column >= (unsigned)Width)
{
if (WidthMask + 1 == Width)
{
column &= WidthMask;
}
else
{
column %= Width;
}
}
if (spans_out != NULL)
{
if (Spans == NULL)
{
Spans = CreateSpans (Pixels);
}
*spans_out = Spans[column];
}
return Pixels + column*Height;
}