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Implement \iclip (inverse rectangular clip)

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Originally committed to SVN as r2286.
This commit is contained in:
Niels Martin Hansen 2008-07-25 01:33:32 +00:00
parent 94d3185170
commit 0e6dd47bf0
2 changed files with 48 additions and 4 deletions
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51
vsfilter/subtitles/RTS.cpp
View file

@ -796,6 +796,7 @@ CSubtitle::CSubtitle()
{
memset(m_effects, 0, sizeof(Effect*)*EF_NUMBEROFEFFECTS);
m_pClipper = NULL;
m_clipInverse = false;
m_scalex = m_scaley = 1;
}
@ -1455,6 +1456,8 @@ bool CRenderedTextSubtitle::ParseSSATag(CSubtitle* sub, CStringW str, STSStyle&
params.Add(cmd.Mid(3)), cmd = cmd.Left(3);
else if(!cmd.Find(L"fs"))
params.Add(cmd.Mid(2)), cmd = cmd.Left(2);
else if(!cmd.Find(L"iclip"))
;
else if(!cmd.Find(L"i"))
params.Add(cmd.Mid(1)), cmd = cmd.Left(1);
else if(!cmd.Find(L"kt") || !cmd.Find(L"kf") || !cmd.Find(L"ko"))
@ -1573,7 +1576,7 @@ bool CRenderedTextSubtitle::ParseSSATag(CSubtitle* sub, CStringW str, STSStyle&
? (n == 0 ? FW_NORMAL : n == 1 ? FW_BOLD : n >= 100 ? n : org.fontWeight)
: org.fontWeight;
}
else if(cmd == L"clip")
else if(cmd == L"clip" || cmd == L"iclip")
{
if(params.GetCount() == 1 && !sub->m_pClipper)
{
@ -1588,6 +1591,9 @@ bool CRenderedTextSubtitle::ParseSSATag(CSubtitle* sub, CStringW str, STSStyle&
{
CRect r;
if(cmd == L"iclip") // TODO: Also support inverse vector clips?
sub->m_clipInverse = true;
r.SetRect(
wcstol(params[0], NULL, 10),
wcstol(params[1], NULL, 10),
@ -2458,6 +2464,13 @@ STDMETHODIMP CRenderedTextSubtitle::Render(SubPicDesc& spd, REFERENCE_TIME rt, d
p = p2;
// Rectangles for inverse clip
CRect iclipRect[4];
iclipRect[0] = CRect(0, 0, spd.w, clipRect.top);
iclipRect[1] = CRect(0, clipRect.top, clipRect.left, clipRect.bottom);
iclipRect[2] = CRect(clipRect.right, clipRect.top, spd.w, clipRect.bottom);
iclipRect[3] = CRect(0, clipRect.bottom, spd.w, spd.h);
pos = s->GetHeadPosition();
while(pos)
{
@ -2467,7 +2480,17 @@ STDMETHODIMP CRenderedTextSubtitle::Render(SubPicDesc& spd, REFERENCE_TIME rt, d
: (s->m_scrAlignment%3) == 0 ? org.x - l->m_width
: org.x - (l->m_width/2);
bbox2 |= l->PaintShadow(spd, clipRect, pAlphaMask, p, org2, m_time, alpha);
if (s->m_clipInverse)
{
bbox2 |= l->PaintShadow(spd, iclipRect[0], pAlphaMask, p, org2, m_time, alpha);
bbox2 |= l->PaintShadow(spd, iclipRect[1], pAlphaMask, p, org2, m_time, alpha);
bbox2 |= l->PaintShadow(spd, iclipRect[2], pAlphaMask, p, org2, m_time, alpha);
bbox2 |= l->PaintShadow(spd, iclipRect[3], pAlphaMask, p, org2, m_time, alpha);
}
else
{
bbox2 |= l->PaintShadow(spd, clipRect, pAlphaMask, p, org2, m_time, alpha);
}
p.y += l->m_ascent + l->m_descent;
}
@ -2483,7 +2506,17 @@ STDMETHODIMP CRenderedTextSubtitle::Render(SubPicDesc& spd, REFERENCE_TIME rt, d
: (s->m_scrAlignment%3) == 0 ? org.x - l->m_width
: org.x - (l->m_width/2);
bbox2 |= l->PaintOutline(spd, clipRect, pAlphaMask, p, org2, m_time, alpha);
if (s->m_clipInverse)
{
bbox2 |= l->PaintOutline(spd, iclipRect[0], pAlphaMask, p, org2, m_time, alpha);
bbox2 |= l->PaintOutline(spd, iclipRect[1], pAlphaMask, p, org2, m_time, alpha);
bbox2 |= l->PaintOutline(spd, iclipRect[2], pAlphaMask, p, org2, m_time, alpha);
bbox2 |= l->PaintOutline(spd, iclipRect[3], pAlphaMask, p, org2, m_time, alpha);
}
else
{
bbox2 |= l->PaintOutline(spd, clipRect, pAlphaMask, p, org2, m_time, alpha);
}
p.y += l->m_ascent + l->m_descent;
}
@ -2499,7 +2532,17 @@ STDMETHODIMP CRenderedTextSubtitle::Render(SubPicDesc& spd, REFERENCE_TIME rt, d
: (s->m_scrAlignment%3) == 0 ? org.x - l->m_width
: org.x - (l->m_width/2);
bbox2 |= l->PaintBody(spd, clipRect, pAlphaMask, p, org2, m_time, alpha);
if (s->m_clipInverse)
{
bbox2 |= l->PaintBody(spd, iclipRect[0], pAlphaMask, p, org2, m_time, alpha);
bbox2 |= l->PaintBody(spd, iclipRect[1], pAlphaMask, p, org2, m_time, alpha);
bbox2 |= l->PaintBody(spd, iclipRect[2], pAlphaMask, p, org2, m_time, alpha);
bbox2 |= l->PaintBody(spd, iclipRect[3], pAlphaMask, p, org2, m_time, alpha);
}
else
{
bbox2 |= l->PaintBody(spd, clipRect, pAlphaMask, p, org2, m_time, alpha);
}
p.y += l->m_ascent + l->m_descent;
}

1
vsfilter/subtitles/RTS.h
View file

@ -172,6 +172,7 @@ public:
CRect m_rect, m_clip;
int m_topborder, m_bottomborder;
bool m_clipInverse;
double m_scalex, m_scaley;