void SubtitleScreen::Pulse(void)
{
ExpireSubtitles();
if (kDisplayAVSubtitle == m_subtitleType)
DisplayAVSubtitles();
else if (kDisplayTextSubtitle == m_subtitleType)
DisplayTextSubtitles();
else if (kDisplayCC608 == m_subtitleType)
DisplayCC608Subtitles();
else if (kDisplayCC708 == m_subtitleType)
DisplayCC708Subtitles();
else if (kDisplayRawTextSubtitle == m_subtitleType)
DisplayRawTextSubtitles();
OptimiseDisplayedArea();
m_refreshArea = false;
}
void TeletextScreen::Pulse(void)
{
if (!InitialiseFont() || !m_displaying)
return;
if (m_player && m_player->GetVideoOutput())
{
static const float kTextPadding = 0.96f;
QRect oldsafe = m_safeArea;
m_safeArea = m_player->GetVideoOutput()->GetSafeRect();
m_colWidth = (int)((float)m_safeArea.width() / (float)kTeletextColumns);
m_rowHeight = (int)((float)m_safeArea.height() / (float)kTeletextRows);
if (oldsafe != m_safeArea)
{
m_teletextReader->SetPageChanged(true);
int max_width = (int)((float)m_colWidth * kTextPadding);
m_fontHeight = (int)((float)m_rowHeight * kTextPadding);
if (max_width > (m_colWidth - 2))
max_width = m_colWidth -2;
if (m_fontHeight > (m_rowHeight - 2))
m_fontHeight = m_rowHeight - 2;
gTTFont->GetFace()->setPixelSize(m_fontHeight);
m_fontStretch = 200;
bool ok = false;
while (!ok && m_fontStretch > 50)
{
gTTFont->GetFace()->setStretch(m_fontStretch);
QFontMetrics font(*(gTTFont->GetFace()));
if (font.averageCharWidth() <= max_width || m_fontStretch < 50)
ok = true;
else
m_fontStretch -= 10;
}
}
}
else
{
return;
}
if (!m_teletextReader->PageChanged())
return;
ClearScreen();
const TeletextSubPage *ttpage = m_teletextReader->FindSubPage();
if (!ttpage)
{
// no page selected so show the header and a list of available pages
DrawHeader(NULL, 0);
m_teletextReader->SetPageChanged(false);
OptimiseDisplayedArea();
return;
}
m_teletextReader->SetSubPage(ttpage->subpagenum);
int a = 0;
if ((ttpage->subtitle) ||
(ttpage->flags & (TP_SUPPRESS_HEADER | TP_NEWSFLASH | TP_SUBTITLE)))
{
a = 1; // when showing subtitles we don't want to see the teletext
// header line, so we skip that line...
m_teletextReader->SetShowHeader(false);
m_teletextReader->SetIsSubtitle(true);
}
else
{
m_teletextReader->SetShowHeader(true);
m_teletextReader->SetIsSubtitle(false);
DrawHeader(m_teletextReader->GetHeader(), ttpage->lang);
m_teletextReader->SetHeaderChanged(false);
}
for (int y = kTeletextRows - a; y >= 2; y--)
DrawLine(ttpage->data[y-1], y, ttpage->lang);
m_teletextReader->SetPageChanged(false);
OptimiseDisplayedArea();
}
