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Aegisub/vsfilter/subtitles/RTS.cpp
Niels Martin Hansen 5d3b1fe8c2 Enable variable strength 'blur edges' effect, using other values than 1 to \be, like \be20. Also allow putting \be inside \t for animating the blur effect. 
The parameter is the number of passes of blur to perform.

Originally committed to SVN as r2279.
2008-07-22 23:38:22 +00:00

2552 lines
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/*
* Copyright (C) 2003-2006 Gabest
* http://www.gabest.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "stdafx.h"
#include <math.h>
#include <time.h>
#include "RTS.h"
// WARNING: this isn't very thread safe, use only one RTS a time.
static HDC g_hDC;
static int g_hDC_refcnt = 0;
static long revcolor(long c)
{
return ((c&0xff0000)>>16) + (c&0xff00) + ((c&0xff)<<16);
}
//////////////////////////////////////////////////////////////////////////////////////////////
// CMyFont
CMyFont::CMyFont(STSStyle& style)
{
LOGFONT lf;
memset(&lf, 0, sizeof(lf));
lf <<= style;
//lf.lfHeight = (LONG)(style.fontSize+0.5);
lf.lfOutPrecision = OUT_TT_PRECIS;
lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
lf.lfQuality = ANTIALIASED_QUALITY;
lf.lfPitchAndFamily = DEFAULT_PITCH|FF_DONTCARE;
if(!CreateFontIndirect(&lf))
{
_tcscpy(lf.lfFaceName, _T("Arial"));
CreateFontIndirect(&lf);
}
HFONT hOldFont = SelectFont(g_hDC, *this);
TEXTMETRIC tm;
GetTextMetrics(g_hDC, &tm);
m_ascent = ((tm.tmAscent + 4) >> 3);
m_descent = ((tm.tmDescent + 4) >> 3);
SelectFont(g_hDC, hOldFont);
}
// CWord
CWord::CWord(STSStyle& style, CStringW str, int ktype, int kstart, int kend)
: m_style(style), m_str(str)
, m_width(0), m_ascent(0), m_descent(0)
, m_ktype(ktype), m_kstart(kstart), m_kend(kend)
, m_fDrawn(false), m_p(INT_MAX, INT_MAX)
, m_fLineBreak(false), m_fWhiteSpaceChar(false)
, m_pOpaqueBox(NULL)
{
if(str.IsEmpty())
{
m_fWhiteSpaceChar = m_fLineBreak = true;
}
CMyFont font(m_style);
m_ascent = (int)(m_style.fontScaleY/100*font.m_ascent);
m_descent = (int)(m_style.fontScaleY/100*font.m_descent);
m_width = 0;
}
CWord::~CWord()
{
if(m_pOpaqueBox) delete m_pOpaqueBox;
}
bool CWord::Append(CWord* w)
{
if(!(m_style == w->m_style)
|| m_fLineBreak || w->m_fLineBreak
|| w->m_kstart != w->m_kend || m_ktype != w->m_ktype) return(false);
m_fWhiteSpaceChar = m_fWhiteSpaceChar && w->m_fWhiteSpaceChar;
m_str += w->m_str;
m_width += w->m_width;
m_fDrawn = false;
m_p = CPoint(INT_MAX, INT_MAX);
return(true);
}
void CWord::Paint(CPoint p, CPoint org)
{
if(!m_str) return;
if(!m_fDrawn)
{
if(!CreatePath()) return;
Transform(CPoint((org.x-p.x)*8, (org.y-p.y)*8));
if(!ScanConvert()) return;
if(m_style.borderStyle == 0 && (m_style.outlineWidthX+m_style.outlineWidthY > 0))
{
if(!CreateWidenedRegion((int)(m_style.outlineWidthX+0.5), (int)(m_style.outlineWidthY+0.5))) return;
}
else if(m_style.borderStyle == 1)
{
if(!CreateOpaqueBox()) return;
}
m_fDrawn = true;
if(!Rasterize(p.x&7, p.y&7, m_style.fBlur)) return;
}
else if((m_p.x&7) != (p.x&7) || (m_p.y&7) != (p.y&7))
{
Rasterize(p.x&7, p.y&7, m_style.fBlur);
}
m_p = p;
if(m_pOpaqueBox)
m_pOpaqueBox->Paint(p, org);
}
void CWord::Transform(CPoint org)
{
double scalex = m_style.fontScaleX/100;
double scaley = m_style.fontScaleY/100;
double caz = cos((3.1415/180)*m_style.fontAngleZ);
double saz = sin((3.1415/180)*m_style.fontAngleZ);
double cax = cos((3.1415/180)*m_style.fontAngleX);
double sax = sin((3.1415/180)*m_style.fontAngleX);
double cay = cos((3.1415/180)*m_style.fontAngleY);
double say = sin((3.1415/180)*m_style.fontAngleY);
for(int i = 0; i < mPathPoints; i++)
{
double x, y, z, xx, yy, zz;
x = scalex * (mpPathPoints[i].x + m_style.fontShiftX * mpPathPoints[i].y) - org.x;
y = scaley * (mpPathPoints[i].y + m_style.fontShiftY * mpPathPoints[i].x) - org.y;
z = 0;
xx = x*caz + y*saz;
yy = -(x*saz - y*caz);
zz = z;
x = xx;
y = yy*cax + zz*sax;
z = yy*sax - zz*cax;
xx = x*cay + z*say;
yy = y;
zz = x*say - z*cay;
zz = max(zz, -19000);
x = (xx * 20000) / (zz + 20000);
y = (yy * 20000) / (zz + 20000);
mpPathPoints[i].x = (LONG)(x + org.x + 0.5);
mpPathPoints[i].y = (LONG)(y + org.y + 0.5);
}
}
bool CWord::CreateOpaqueBox()
{
if(m_pOpaqueBox) return(true);
STSStyle style = m_style;
style.borderStyle = 0;
style.outlineWidthX = style.outlineWidthY = 0;
style.colors[0] = m_style.colors[2];
style.alpha[0] = m_style.alpha[2];
int w = (int)(m_style.outlineWidthX + 0.5);
int h = (int)(m_style.outlineWidthY + 0.5);
CStringW str;
str.Format(L"m %d %d l %d %d %d %d %d %d",
-w, -h,
m_width+w, -h,
m_width+w, m_ascent+m_descent+h,
-w, m_ascent+m_descent+h);
m_pOpaqueBox = new CPolygon(style, str, 0, 0, 0, 1.0/8, 1.0/8, 0);
return(!!m_pOpaqueBox);
}
// CText
CText::CText(STSStyle& style, CStringW str, int ktype, int kstart, int kend)
: CWord(style, str, ktype, kstart, kend)
{
if(m_str == L" ")
{
m_fWhiteSpaceChar = true;
}
CMyFont font(m_style);
HFONT hOldFont = SelectFont(g_hDC, font);
if(m_style.fontSpacing || (long)GetVersion() < 0)
{
bool bFirstPath = true;
for(LPCWSTR s = m_str; *s; s++)
{
CSize extent;
if(!GetTextExtentPoint32W(g_hDC, s, 1, &extent)) {SelectFont(g_hDC, hOldFont); ASSERT(0); return;}
m_width += extent.cx + (int)m_style.fontSpacing;
}
// m_width -= (int)m_style.fontSpacing; // TODO: subtract only at the end of the line
}
else
{
CSize extent;
if(!GetTextExtentPoint32W(g_hDC, m_str, wcslen(str), &extent)) {SelectFont(g_hDC, hOldFont); ASSERT(0); return;}
m_width += extent.cx;
}
m_width = (int)(m_style.fontScaleX/100*m_width + 4) >> 3;
SelectFont(g_hDC, hOldFont);
}
CWord* CText::Copy()
{
return(new CText(m_style, m_str, m_ktype, m_kstart, m_kend));
}
bool CText::Append(CWord* w)
{
return(dynamic_cast<CText*>(w) && CWord::Append(w));
}
bool CText::CreatePath()
{
CMyFont font(m_style);
HFONT hOldFont = SelectFont(g_hDC, font);
int width = 0;
if(m_style.fontSpacing || (long)GetVersion() < 0)
{
bool bFirstPath = true;
for(LPCWSTR s = m_str; *s; s++)
{
CSize extent;
if(!GetTextExtentPoint32W(g_hDC, s, 1, &extent)) {SelectFont(g_hDC, hOldFont); ASSERT(0); return(false);}
PartialBeginPath(g_hDC, bFirstPath); bFirstPath = false;
TextOutW(g_hDC, 0, 0, s, 1);
PartialEndPath(g_hDC, width, 0);
width += extent.cx + (int)m_style.fontSpacing;
}
}
else
{
CSize extent;
if(!GetTextExtentPoint32W(g_hDC, m_str, m_str.GetLength(), &extent)) {SelectFont(g_hDC, hOldFont); ASSERT(0); return(false);}
BeginPath(g_hDC);
TextOutW(g_hDC, 0, 0, m_str, m_str.GetLength());
EndPath(g_hDC);
}
SelectFont(g_hDC, hOldFont);
return(true);
}
// CPolygon
CPolygon::CPolygon(STSStyle& style, CStringW str, int ktype, int kstart, int kend, double scalex, double scaley, int baseline)
: CWord(style, str, ktype, kstart, kend)
, m_scalex(scalex), m_scaley(scaley), m_baseline(baseline)
{
ParseStr();
}
CPolygon::~CPolygon()
{
}
CWord* CPolygon::Copy()
{
return(new CPolygon(m_style, m_str, m_ktype, m_kstart, m_kend, m_scalex, m_scaley, m_baseline));
}
bool CPolygon::Append(CWord* w)
{
int width = m_width;
CPolygon* p = dynamic_cast<CPolygon*>(w);
if(!p) return(false);
// TODO
return(false);
return(true);
}
bool CPolygon::GetLONG(CStringW& str, LONG& ret)
{
LPWSTR s = (LPWSTR)(LPCWSTR)str, e = s;
ret = wcstol(str, &e, 10);
str = str.Mid(e - s);
return(e > s);
}
bool CPolygon::GetPOINT(CStringW& str, POINT& ret)
{
return(GetLONG(str, ret.x) && GetLONG(str, ret.y));
}
bool CPolygon::ParseStr()
{
if(m_pathTypesOrg.GetCount() > 0) return(true);
CPoint p;
int i, j, lastsplinestart = -1, firstmoveto = -1, lastmoveto = -1;
CStringW str = m_str;
str.SpanIncluding(L"mnlbspc 0123456789");
str.Replace(L"m", L"*m");
str.Replace(L"n", L"*n");
str.Replace(L"l", L"*l");
str.Replace(L"b", L"*b");
str.Replace(L"s", L"*s");
str.Replace(L"p", L"*p");
str.Replace(L"c", L"*c");
int k = 0;
for(CStringW s = str.Tokenize(L"*", k); !s.IsEmpty(); s = str.Tokenize(L"*", k))
{
WCHAR c = s[0];
s.TrimLeft(L"mnlbspc ");
switch(c)
{
case 'm':
lastmoveto = m_pathTypesOrg.GetCount();
if(firstmoveto == -1) firstmoveto = lastmoveto;
while(GetPOINT(s, p)) {m_pathTypesOrg.Add(PT_MOVETO); m_pathPointsOrg.Add(p);}
break;
case 'n':
while(GetPOINT(s, p)) {m_pathTypesOrg.Add(PT_MOVETONC); m_pathPointsOrg.Add(p);}
break;
case 'l':
while(GetPOINT(s, p)) {m_pathTypesOrg.Add(PT_LINETO); m_pathPointsOrg.Add(p);}
break;
case 'b':
j = m_pathTypesOrg.GetCount();
while(GetPOINT(s, p)) {m_pathTypesOrg.Add(PT_BEZIERTO); m_pathPointsOrg.Add(p); j++;}
j = m_pathTypesOrg.GetCount() - ((m_pathTypesOrg.GetCount()-j)%3);
m_pathTypesOrg.SetCount(j); m_pathPointsOrg.SetCount(j);
break;
case 's':
j = lastsplinestart = m_pathTypesOrg.GetCount();
i = 3;
while(i-- && GetPOINT(s, p)) {m_pathTypesOrg.Add(PT_BSPLINETO); m_pathPointsOrg.Add(p); j++;}
if(m_pathTypesOrg.GetCount()-lastsplinestart < 3) {m_pathTypesOrg.SetCount(lastsplinestart); m_pathPointsOrg.SetCount(lastsplinestart); lastsplinestart = -1;}
// no break here
case 'p':
while(GetPOINT(s, p)) {m_pathTypesOrg.Add(PT_BSPLINEPATCHTO); m_pathPointsOrg.Add(p); j++;}
break;
case 'c':
if(lastsplinestart > 0)
{
m_pathTypesOrg.Add(PT_BSPLINEPATCHTO);
m_pathTypesOrg.Add(PT_BSPLINEPATCHTO);
m_pathTypesOrg.Add(PT_BSPLINEPATCHTO);
p = m_pathPointsOrg[lastsplinestart-1]; // we need p for temp storage, because operator [] will return a reference to CPoint and Add() may reallocate its internal buffer (this is true for MFC 7.0 but not for 6.0, hehe)
m_pathPointsOrg.Add(p);
p = m_pathPointsOrg[lastsplinestart];
m_pathPointsOrg.Add(p);
p = m_pathPointsOrg[lastsplinestart+1];
m_pathPointsOrg.Add(p);
lastsplinestart = -1;
}
break;
default:
break;
}
}
/*
LPCWSTR str = m_str;
while(*str)
{
while(*str && *str != 'm' && *str != 'n' && *str != 'l' && *str != 'b' && *str != 's' && *str != 'p' && *str != 'c') str++;
if(!*str) break;
switch(*str++)
{
case 'm':
lastmoveto = m_pathTypesOrg.GetCount();
if(firstmoveto == -1) firstmoveto = lastmoveto;
while(GetPOINT(str, p)) {m_pathTypesOrg.Add(PT_MOVETO); m_pathPointsOrg.Add(p);}
break;
case 'n':
while(GetPOINT(str, p)) {m_pathTypesOrg.Add(PT_MOVETONC); m_pathPointsOrg.Add(p);}
break;
case 'l':
while(GetPOINT(str, p)) {m_pathTypesOrg.Add(PT_LINETO); m_pathPointsOrg.Add(p);}
break;
case 'b':
j = m_pathTypesOrg.GetCount();
while(GetPOINT(str, p)) {m_pathTypesOrg.Add(PT_BEZIERTO); m_pathPointsOrg.Add(p); j++;}
j = m_pathTypesOrg.GetCount() - ((m_pathTypesOrg.GetCount()-j)%3);
m_pathTypesOrg.SetCount(j); m_pathPointsOrg.SetCount(j);
break;
case 's':
j = lastsplinestart = m_pathTypesOrg.GetCount();
i = 3;
while(i-- && GetPOINT(str, p)) {m_pathTypesOrg.Add(PT_BSPLINETO); m_pathPointsOrg.Add(p); j++;}
if(m_pathTypesOrg.GetCount()-lastsplinestart < 3) {m_pathTypesOrg.SetCount(lastsplinestart); m_pathPointsOrg.SetCount(lastsplinestart); lastsplinestart = -1;}
// no break here
case 'p':
while(GetPOINT(str, p)) {m_pathTypesOrg.Add(PT_BSPLINEPATCHTO); m_pathPointsOrg.Add(p); j++;}
break;
case 'c':
if(lastsplinestart > 0)
{
m_pathTypesOrg.Add(PT_BSPLINEPATCHTO);
m_pathTypesOrg.Add(PT_BSPLINEPATCHTO);
m_pathTypesOrg.Add(PT_BSPLINEPATCHTO);
p = m_pathPointsOrg[lastsplinestart-1]; // we need p for temp storage, because operator [] will return a reference to CPoint and Add() may reallocate its internal buffer (this is true for MFC 7.0 but not for 6.0, hehe)
m_pathPointsOrg.Add(p);
p = m_pathPointsOrg[lastsplinestart];
m_pathPointsOrg.Add(p);
p = m_pathPointsOrg[lastsplinestart+1];
m_pathPointsOrg.Add(p);
lastsplinestart = -1;
}
break;
default:
break;
}
if(firstmoveto > 0) break;
}
*/
if(lastmoveto == -1 || firstmoveto > 0)
{
m_pathTypesOrg.RemoveAll();
m_pathPointsOrg.RemoveAll();
return(false);
}
int minx = INT_MAX, miny = INT_MAX, maxx = -INT_MAX, maxy = -INT_MAX;
for(i = 0; i < m_pathTypesOrg.GetCount(); i++)
{
m_pathPointsOrg[i].x = (int)(64 * m_scalex * m_pathPointsOrg[i].x);
m_pathPointsOrg[i].y = (int)(64 * m_scaley * m_pathPointsOrg[i].y);
if(minx > m_pathPointsOrg[i].x) minx = m_pathPointsOrg[i].x;
if(miny > m_pathPointsOrg[i].y) miny = m_pathPointsOrg[i].y;
if(maxx < m_pathPointsOrg[i].x) maxx = m_pathPointsOrg[i].x;
if(maxy < m_pathPointsOrg[i].y) maxy = m_pathPointsOrg[i].y;
}
m_width = max(maxx - minx, 0);
m_ascent = max(maxy - miny, 0);
int baseline = (int)(64 * m_scaley * m_baseline);
m_descent = baseline;
m_ascent -= baseline;
m_width = ((int)(m_style.fontScaleX/100 * m_width) + 4) >> 3;
m_ascent = ((int)(m_style.fontScaleY/100 * m_ascent) + 4) >> 3;
m_descent = ((int)(m_style.fontScaleY/100 * m_descent) + 4) >> 3;
return(true);
}
bool CPolygon::CreatePath()
{
int len = m_pathTypesOrg.GetCount();
if(len == 0) return(false);
if(mPathPoints != len)
{
mpPathTypes = (BYTE*)realloc(mpPathTypes, len*sizeof(BYTE));
mpPathPoints = (POINT*)realloc(mpPathPoints, len*sizeof(POINT));
if(!mpPathTypes || !mpPathPoints) return(false);
mPathPoints = len;
}
memcpy(mpPathTypes, m_pathTypesOrg.GetData(), len*sizeof(BYTE));
memcpy(mpPathPoints, m_pathPointsOrg.GetData(), len*sizeof(POINT));
return(true);
}
// CClipper
CClipper::CClipper(CStringW str, CSize size, double scalex, double scaley)
: CPolygon(STSStyle(), str, 0, 0, 0, scalex, scaley, 0)
{
m_size.cx = m_size.cy = 0;
m_pAlphaMask = NULL;
if(size.cx < 0 || size.cy < 0 || !(m_pAlphaMask = new BYTE[size.cx*size.cy])) return;
m_size = size;
memset(m_pAlphaMask, 0, size.cx*size.cy);
Paint(CPoint(0, 0), CPoint(0, 0));
int w = mOverlayWidth, h = mOverlayHeight;
int x = (mOffsetX+4)>>3, y = (mOffsetY+4)>>3;
int xo = 0, yo = 0;
if(x < 0) {xo = -x; w -= -x; x = 0;}
if(y < 0) {yo = -y; h -= -y; y = 0;}
if(x+w > m_size.cx) w = m_size.cx-x;
if(y+h > m_size.cy) h = m_size.cy-y;
if(w <= 0 || h <= 0) return;
const BYTE* src = mpOverlayBuffer + 2*(mOverlayWidth * yo + xo);
BYTE* dst = m_pAlphaMask + m_size.cx * y + x;
while(h--)
{
for(int wt=0; wt<w; ++wt)
dst[wt] = src[wt*2];
src += 2*mOverlayWidth;
dst += m_size.cx;
}
}
CClipper::~CClipper()
{
if(m_pAlphaMask) delete [] m_pAlphaMask;
m_pAlphaMask = NULL;
}
CWord* CClipper::Copy()
{
return(new CClipper(m_str, m_size, m_scalex, m_scaley));
}
bool CClipper::Append(CWord* w)
{
return(false);
}
// CLine
CLine::~CLine()
{
POSITION pos = GetHeadPosition();
while(pos) delete GetNext(pos);
}
void CLine::Compact()
{
POSITION pos = GetHeadPosition();
while(pos)
{
CWord* w = GetNext(pos);
if(!w->m_fWhiteSpaceChar) break;
m_width -= w->m_width;
delete w;
RemoveHead();
}
pos = GetTailPosition();
while(pos)
{
CWord* w = GetPrev(pos);
if(!w->m_fWhiteSpaceChar) break;
m_width -= w->m_width;
delete w;
RemoveTail();
}
if(IsEmpty()) return;
CLine l;
l.AddTailList(this);
RemoveAll();
CWord* last = NULL;
pos = l.GetHeadPosition();
while(pos)
{
CWord* w = l.GetNext(pos);
if(!last || !last->Append(w))
AddTail(last = w->Copy());
}
m_ascent = m_descent = m_borderX = m_borderY = 0;
pos = GetHeadPosition();
while(pos)
{
CWord* w = GetNext(pos);
if(m_ascent < w->m_ascent) m_ascent = w->m_ascent;
if(m_descent < w->m_descent) m_descent = w->m_descent;
if(m_borderX < w->m_style.outlineWidthX) m_borderX = (int)(w->m_style.outlineWidthX+0.5);
if(m_borderY < w->m_style.outlineWidthY) m_borderY = (int)(w->m_style.outlineWidthY+0.5);
}
}
CRect CLine::PaintShadow(SubPicDesc& spd, CRect& clipRect, BYTE* pAlphaMask, CPoint p, CPoint org, int time, int alpha)
{
CRect bbox(0, 0, 0, 0);
POSITION pos = GetHeadPosition();
while(pos)
{
CWord* w = GetNext(pos);
if(w->m_fLineBreak) return(bbox); // should not happen since this class is just a line of text without any breaks
if(w->m_style.shadowDepthX != 0 || w->m_style.shadowDepthY != 0)
{
int x = p.x + (int)(w->m_style.shadowDepthX+0.5);
int y = p.y + m_ascent - w->m_ascent + (int)(w->m_style.shadowDepthY+0.5);
DWORD a = 0xff - w->m_style.alpha[3];
if(alpha > 0) a = MulDiv(a, 0xff - alpha, 0xff);
COLORREF shadow = revcolor(w->m_style.colors[3]) | (a<<24);
long sw[6] = {shadow, -1};
w->Paint(CPoint(x, y), org);
if(w->m_style.borderStyle == 0)
{
bbox |= w->Draw(spd, clipRect, pAlphaMask, x, y, sw,
w->m_ktype > 0 || w->m_style.alpha[0] < 0xff,
(w->m_style.outlineWidthX+w->m_style.outlineWidthY > 0) && !(w->m_ktype == 2 && time < w->m_kstart));
}
else if(w->m_style.borderStyle == 1 && w->m_pOpaqueBox)
{
bbox |= w->m_pOpaqueBox->Draw(spd, clipRect, pAlphaMask, x, y, sw, true, false);
}
}
p.x += w->m_width;
}
return(bbox);
}
CRect CLine::PaintOutline(SubPicDesc& spd, CRect& clipRect, BYTE* pAlphaMask, CPoint p, CPoint org, int time, int alpha)
{
CRect bbox(0, 0, 0, 0);
POSITION pos = GetHeadPosition();
while(pos)
{
CWord* w = GetNext(pos);
if(w->m_fLineBreak) return(bbox); // should not happen since this class is just a line of text without any breaks
if(w->m_style.outlineWidthX+w->m_style.outlineWidthY > 0 && !(w->m_ktype == 2 && time < w->m_kstart))
{
int x = p.x;
int y = p.y + m_ascent - w->m_ascent;
DWORD aoutline = w->m_style.alpha[2];
if(alpha > 0) aoutline += MulDiv(alpha, 0xff - w->m_style.alpha[2], 0xff);
COLORREF outline = revcolor(w->m_style.colors[2]) | ((0xff-aoutline)<<24);
long sw[6] = {outline, -1};
w->Paint(CPoint(x, y), org);
if(w->m_style.borderStyle == 0)
{
bbox |= w->Draw(spd, clipRect, pAlphaMask, x, y, sw, false, true);
}
else if(w->m_style.borderStyle == 1 && w->m_pOpaqueBox)
{
bbox |= w->m_pOpaqueBox->Draw(spd, clipRect, pAlphaMask, x, y, sw, true, false);
}
}
p.x += w->m_width;
}
return(bbox);
}
CRect CLine::PaintBody(SubPicDesc& spd, CRect& clipRect, BYTE* pAlphaMask, CPoint p, CPoint org, int time, int alpha)
{
CRect bbox(0, 0, 0, 0);
POSITION pos = GetHeadPosition();
while(pos)
{
CWord* w = GetNext(pos);
if(w->m_fLineBreak) return(bbox); // should not happen since this class is just a line of text without any breaks
int x = p.x;
int y = p.y + m_ascent - w->m_ascent;
// colors
DWORD aprimary = w->m_style.alpha[0];
if(alpha > 0) aprimary += MulDiv(alpha, 0xff - w->m_style.alpha[0], 0xff);
COLORREF primary = revcolor(w->m_style.colors[0]) | ((0xff-aprimary)<<24);
DWORD asecondary = w->m_style.alpha[1];
if(alpha > 0) asecondary += MulDiv(alpha, 0xff - w->m_style.alpha[1], 0xff);
COLORREF secondary = revcolor(w->m_style.colors[1]) | ((0xff-asecondary)<<24);
long sw[6] = {primary, 0, secondary};
// karaoke
double t;
if(w->m_ktype == 0 || w->m_ktype == 2)
{
t = time < w->m_kstart ? 0 : 1;
}
else if(w->m_ktype == 1)
{
if(time < w->m_kstart) t = 0;
else if(time < w->m_kend)
{
t = 1.0 * (time - w->m_kstart) / (w->m_kend - w->m_kstart);
double angle = fmod(w->m_style.fontAngleZ, 360.0);
if(angle > 90 && angle < 270)
{
t = 1-t;
COLORREF tmp = sw[0]; sw[0] = sw[2]; sw[2] = tmp;
}
}
else t = 1.0;
}
if(t >= 1)
{
sw[1] = 0xffffffff;
}
sw[3] = (int)(w->m_style.outlineWidthX + t*w->m_width) >> 3;
sw[4] = sw[2];
sw[5] = 0x00ffffff;
w->Paint(CPoint(x, y), org);
bbox |= w->Draw(spd, clipRect, pAlphaMask, x, y, sw, true, false);
p.x += w->m_width;
}
return(bbox);
}
// CSubtitle
CSubtitle::CSubtitle()
{
memset(m_effects, 0, sizeof(Effect*)*EF_NUMBEROFEFFECTS);
m_pClipper = NULL;
m_scalex = m_scaley = 1;
}
CSubtitle::~CSubtitle()
{
Empty();
}
void CSubtitle::Empty()
{
POSITION pos = GetHeadPosition();
while(pos) delete GetNext(pos);
pos = m_words.GetHeadPosition();
while(pos) delete m_words.GetNext(pos);
for(int i = 0; i < EF_NUMBEROFEFFECTS; i++) {if(m_effects[i]) delete m_effects[i];}
memset(m_effects, 0, sizeof(Effect*)*EF_NUMBEROFEFFECTS);
if(m_pClipper) delete m_pClipper;
m_pClipper = NULL;
}
int CSubtitle::GetFullWidth()
{
int width = 0;
POSITION pos = m_words.GetHeadPosition();
while(pos) width += m_words.GetNext(pos)->m_width;
return(width);
}
int CSubtitle::GetFullLineWidth(POSITION pos)
{
int width = 0;
while(pos)
{
CWord* w = m_words.GetNext(pos);
if(w->m_fLineBreak) break;
width += w->m_width;
}
return(width);
}
int CSubtitle::GetWrapWidth(POSITION pos, int maxwidth)
{
if(m_wrapStyle == 0 || m_wrapStyle == 3)
{
if(maxwidth > 0)
{
// int fullwidth = GetFullWidth();
int fullwidth = GetFullLineWidth(pos);
int minwidth = fullwidth / ((abs(fullwidth) / maxwidth) + 1);
int width = 0, wordwidth = 0;
while(pos && width < minwidth)
{
CWord* w = m_words.GetNext(pos);
wordwidth = w->m_width;
if(abs(width + wordwidth) < abs(maxwidth)) width += wordwidth;
}
maxwidth = width;
if(m_wrapStyle == 3 && pos) maxwidth -= wordwidth;
}
}
else if(m_wrapStyle == 1)
{
// maxwidth = maxwidth;
}
else if(m_wrapStyle == 2)
{
maxwidth = INT_MAX;
}
return(maxwidth);
}
CLine* CSubtitle::GetNextLine(POSITION& pos, int maxwidth)
{
if(pos == NULL) return(NULL);
CLine* ret = new CLine();
if(!ret) return(NULL);
ret->m_width = ret->m_ascent = ret->m_descent = ret->m_borderX = ret->m_borderY = 0;
maxwidth = GetWrapWidth(pos, maxwidth);
bool fEmptyLine = true;
while(pos)
{
CWord* w = m_words.GetNext(pos);
if(ret->m_ascent < w->m_ascent) ret->m_ascent = w->m_ascent;
if(ret->m_descent < w->m_descent) ret->m_descent = w->m_descent;
if(ret->m_borderX < w->m_style.outlineWidthX) ret->m_borderX = (int)(w->m_style.outlineWidthX+0.5);
if(ret->m_borderY < w->m_style.outlineWidthY) ret->m_borderY = (int)(w->m_style.outlineWidthY+0.5);
if(w->m_fLineBreak)
{
if(fEmptyLine) {ret->m_ascent /= 2; ret->m_descent /= 2; ret->m_borderX = ret->m_borderY = 0;}
ret->Compact();
return(ret);
}
fEmptyLine = false;
bool fWSC = w->m_fWhiteSpaceChar;
int width = w->m_width;
POSITION pos2 = pos;
while(pos2)
{
if(m_words.GetAt(pos2)->m_fWhiteSpaceChar != fWSC
|| m_words.GetAt(pos2)->m_fLineBreak) break;
CWord* w2 = m_words.GetNext(pos2);
width += w2->m_width;
}
if((ret->m_width += width) <= maxwidth || ret->IsEmpty())
{
ret->AddTail(w->Copy());
while(pos != pos2)
{
ret->AddTail(m_words.GetNext(pos)->Copy());
}
pos = pos2;
}
else
{
if(pos) m_words.GetPrev(pos);
else pos = m_words.GetTailPosition();
ret->m_width -= width;
break;
}
}
ret->Compact();
return(ret);
}
void CSubtitle::CreateClippers(CSize size)
{
size.cx >>= 3;
size.cy >>= 3;
if(m_effects[EF_BANNER] && m_effects[EF_BANNER]->param[2])
{
int width = m_effects[EF_BANNER]->param[2];
int w = size.cx, h = size.cy;
if(!m_pClipper)
{
CStringW str;
str.Format(L"m %d %d l %d %d %d %d %d %d", 0, 0, w, 0, w, h, 0, h);
m_pClipper = new CClipper(str, size, 1, 1);
if(!m_pClipper) return;
}
int da = (64<<8)/width;
BYTE* am = m_pClipper->m_pAlphaMask;
for(int j = 0; j < h; j++, am += w)
{
int a = 0;
int k = min(width, w);
for(int i = 0; i < k; i++, a += da)
am[i] = (am[i]*a)>>14;
a = 0x40<<8;
k = w-width;
if(k < 0) {a -= -k*da; k = 0;}
for(int i = k; i < w; i++, a -= da)
am[i] = (am[i]*a)>>14;
}
}
else if(m_effects[EF_SCROLL] && m_effects[EF_SCROLL]->param[4])
{
int height = m_effects[EF_SCROLL]->param[4];
int w = size.cx, h = size.cy;
if(!m_pClipper)
{
CStringW str;
str.Format(L"m %d %d l %d %d %d %d %d %d", 0, 0, w, 0, w, h, 0, h);
m_pClipper = new CClipper(str, size, 1, 1);
if(!m_pClipper) return;
}
int da = (64<<8)/height;
int a = 0;
int k = m_effects[EF_SCROLL]->param[0]>>3;
int l = k+height;
if(k < 0) {a += -k*da; k = 0;}
if(l > h) {l = h;}
if(k < h)
{
BYTE* am = &m_pClipper->m_pAlphaMask[k*w];
memset(m_pClipper->m_pAlphaMask, 0, am - m_pClipper->m_pAlphaMask);
for(int j = k; j < l; j++, a += da)
{
for(int i = 0; i < w; i++, am++)
*am = ((*am)*a)>>14;
}
}
da = -(64<<8)/height;
a = 0x40<<8;
l = m_effects[EF_SCROLL]->param[1]>>3;
k = l-height;
if(k < 0) {a += -k*da; k = 0;}
if(l > h) {l = h;}
if(k < h)
{
BYTE* am = &m_pClipper->m_pAlphaMask[k*w];
int j = k;
for(; j < l; j++, a += da)
{
for(int i = 0; i < w; i++, am++)
*am = ((*am)*a)>>14;
}
memset(am, 0, (h-j)*w);
}
}
}
void CSubtitle::MakeLines(CSize size, CRect marginRect)
{
CSize spaceNeeded(0, 0);
bool fFirstLine = true;
m_topborder = m_bottomborder = 0;
CLine* l = NULL;
POSITION pos = m_words.GetHeadPosition();
while(pos)
{
l = GetNextLine(pos, size.cx - marginRect.left - marginRect.right);
if(!l) break;
if(fFirstLine) {m_topborder = l->m_borderY; fFirstLine = false;}
spaceNeeded.cx = max(l->m_width+l->m_borderX, spaceNeeded.cx);
spaceNeeded.cy += l->m_ascent + l->m_descent;
AddTail(l);
}
if(l) m_bottomborder = l->m_borderY;
m_rect = CRect(
CPoint((m_scrAlignment%3) == 1 ? marginRect.left
: (m_scrAlignment%3) == 2 ? (marginRect.left + (size.cx - marginRect.right) - spaceNeeded.cx + 1) / 2
: (size.cx - marginRect.right - spaceNeeded.cx),
m_scrAlignment <= 3 ? (size.cy - marginRect.bottom - spaceNeeded.cy)
: m_scrAlignment <= 6 ? (marginRect.top + (size.cy - marginRect.bottom) - spaceNeeded.cy + 1) / 2
: marginRect.top),
spaceNeeded);
}
// CScreenLayoutAllocator
void CScreenLayoutAllocator::Empty()
{
m_subrects.RemoveAll();
}
void CScreenLayoutAllocator::AdvanceToSegment(int segment, const CAtlArray<int>& sa)
{
POSITION pos = m_subrects.GetHeadPosition();
while(pos)
{
POSITION prev = pos;
SubRect& sr = m_subrects.GetNext(pos);
bool fFound = false;
if(abs(sr.segment - segment) <= 1) // using abs() makes it possible to play the subs backwards, too :)
{
for(int i = 0; i < sa.GetCount() && !fFound; i++)
{
if(sa[i] == sr.entry)
{
sr.segment = segment;
fFound = true;
}
}
}
if(!fFound) m_subrects.RemoveAt(prev);
}
}
CRect CScreenLayoutAllocator::AllocRect(CSubtitle* s, int segment, int entry, int layer, int collisions)
{
// TODO: handle collisions == 1 (reversed collisions)
POSITION pos = m_subrects.GetHeadPosition();
while(pos)
{
SubRect& sr = m_subrects.GetNext(pos);
if(sr.segment == segment && sr.entry == entry)
{
return(sr.r + CRect(0, -s->m_topborder, 0, -s->m_bottomborder));
}
}
CRect r = s->m_rect + CRect(0, s->m_topborder, 0, s->m_bottomborder);
bool fSearchDown = s->m_scrAlignment > 3;
bool fOK;
do
{
fOK = true;
pos = m_subrects.GetHeadPosition();
while(pos)
{
SubRect& sr = m_subrects.GetNext(pos);
if(layer == sr.layer && !(r & sr.r).IsRectEmpty())
{
if(fSearchDown)
{
r.bottom = sr.r.bottom + r.Height();
r.top = sr.r.bottom;
}
else
{
r.top = sr.r.top - r.Height();
r.bottom = sr.r.top;
}
fOK = false;
}
}
}
while(!fOK);
SubRect sr;
sr.r = r;
sr.segment = segment;
sr.entry = entry;
sr.layer = layer;
m_subrects.AddTail(sr);
return(sr.r + CRect(0, -s->m_topborder, 0, -s->m_bottomborder));
}
// CRenderedTextSubtitle
CRenderedTextSubtitle::CRenderedTextSubtitle(CCritSec* pLock)
: ISubPicProviderImpl(pLock)
{
m_size = CSize(0, 0);
if(g_hDC_refcnt == 0)
{
g_hDC = CreateCompatibleDC(NULL);
SetBkMode(g_hDC, TRANSPARENT);
SetTextColor(g_hDC, 0xffffff);
SetMapMode(g_hDC, MM_TEXT);
}
g_hDC_refcnt++;
}
CRenderedTextSubtitle::~CRenderedTextSubtitle()
{
Deinit();
g_hDC_refcnt--;
if(g_hDC_refcnt == 0) DeleteDC(g_hDC);
}
void CRenderedTextSubtitle::Copy(CSimpleTextSubtitle& sts)
{
__super::Copy(sts);
m_size = CSize(0, 0);
if(CRenderedTextSubtitle* pRTS = dynamic_cast<CRenderedTextSubtitle*>(&sts))
{
m_size = pRTS->m_size;
}
}
void CRenderedTextSubtitle::Empty()
{
Deinit();
__super::Empty();
}
void CRenderedTextSubtitle::OnChanged()
{
__super::OnChanged();
POSITION pos = m_subtitleCache.GetStartPosition();
while(pos)
{
int i;
CSubtitle* s;
m_subtitleCache.GetNextAssoc(pos, i, s);
delete s;
}
m_subtitleCache.RemoveAll();
m_sla.Empty();
}
bool CRenderedTextSubtitle::Init(CSize size, CRect vidrect)
{
Deinit();
m_size = CSize(size.cx*8, size.cy*8);
m_vidrect = CRect(vidrect.left*8, vidrect.top*8, vidrect.right*8, vidrect.bottom*8);
m_sla.Empty();
return(true);
}
void CRenderedTextSubtitle::Deinit()
{
POSITION pos = m_subtitleCache.GetStartPosition();
while(pos)
{
int i;
CSubtitle* s;
m_subtitleCache.GetNextAssoc(pos, i, s);
delete s;
}
m_subtitleCache.RemoveAll();
m_sla.Empty();
m_size = CSize(0, 0);
m_vidrect.SetRectEmpty();
}
void CRenderedTextSubtitle::ParseEffect(CSubtitle* sub, CString str)
{
str.Trim();
if(!sub || str.IsEmpty()) return;
const TCHAR* s = _tcschr(str, ';');
if(!s) {s = (LPTSTR)(LPCTSTR)str; s += str.GetLength()-1;}
s++;
CString effect = str.Left(s - str);
if(!effect.CompareNoCase(_T("Banner;")))
{
int delay, lefttoright = 0, fadeawaywidth = 0;
if(_stscanf(s, _T("%d;%d;%d"), &delay, &lefttoright, &fadeawaywidth) < 1) return;
Effect* e = new Effect;
if(!e) return;
sub->m_effects[e->type = EF_BANNER] = e;
e->param[0] = (int)(max(1.0*delay/sub->m_scalex, 1));
e->param[1] = lefttoright;
e->param[2] = (int)(sub->m_scalex*fadeawaywidth);
sub->m_wrapStyle = 2;
}
else if(!effect.CompareNoCase(_T("Scroll up;")) || !effect.CompareNoCase(_T("Scroll down;")))
{
int top, bottom, delay, fadeawayheight = 0;
if(_stscanf(s, _T("%d;%d;%d;%d"), &top, &bottom, &delay, &fadeawayheight) < 3) return;
if(top > bottom) {int tmp = top; top = bottom; bottom = tmp;}
Effect* e = new Effect;
if(!e) return;
sub->m_effects[e->type = EF_SCROLL] = e;
e->param[0] = (int)(sub->m_scaley*top*8);
e->param[1] = (int)(sub->m_scaley*bottom*8);
e->param[2] = (int)(max(1.0*delay/sub->m_scaley, 1));
e->param[3] = (effect.GetLength() == 12);
e->param[4] = (int)(sub->m_scaley*fadeawayheight);
}
}
void CRenderedTextSubtitle::ParseString(CSubtitle* sub, CStringW str, STSStyle& style)
{
if(!sub) return;
str.Replace(L"\\N", L"\n");
str.Replace(L"\\n", (sub->m_wrapStyle < 2 || sub->m_wrapStyle == 3) ? L" " : L"\n");
str.Replace(L"\\h", L"\x00A0");
for(int i = 0, j = 0, len = str.GetLength(); j <= len; j++)
{
WCHAR c = str[j];
if(c != '\n' && c != ' ' && c != '\x00A0' && c != 0)
continue;
if(i < j)
{
if(CWord* w = new CText(style, str.Mid(i, j-i), m_ktype, m_kstart, m_kend))
{
sub->m_words.AddTail(w);
m_kstart = m_kend;
}
}
if(c == '\n')
{
if(CWord* w = new CText(style, CStringW(), m_ktype, m_kstart, m_kend))
{
sub->m_words.AddTail(w);
m_kstart = m_kend;
}
}
else if(c == ' ' || c == '\x00A0')
{
if(CWord* w = new CText(style, CStringW(c), m_ktype, m_kstart, m_kend))
{
sub->m_words.AddTail(w);
m_kstart = m_kend;
}
}
i = j+1;
}
return;
}
void CRenderedTextSubtitle::ParsePolygon(CSubtitle* sub, CStringW str, STSStyle& style)
{
if(!sub || !str.GetLength() || !m_nPolygon) return;
if(CWord* w = new CPolygon(style, str, m_ktype, m_kstart, m_kend, sub->m_scalex/(1<<(m_nPolygon-1)), sub->m_scaley/(1<<(m_nPolygon-1)), m_polygonBaselineOffset))
{
sub->m_words.AddTail(w);
m_kstart = m_kend;
}
}
bool CRenderedTextSubtitle::ParseSSATag(CSubtitle* sub, CStringW str, STSStyle& style, STSStyle& org, bool fAnimate)
{
if(!sub) return(false);
int nTags = 0, nUnrecognizedTags = 0;
for(int i = 0, j; (j = str.Find('\\', i)) >= 0; i = j)
{
CStringW cmd;
for(WCHAR c = str[++j]; c && c != '(' && c != '\\'; cmd += c, c = str[++j]);
cmd.Trim();
if(cmd.IsEmpty()) continue;
CAtlArray<CStringW> params;
if(str[j] == '(')
{
CStringW param;
for(WCHAR c = str[++j]; c && c != ')'; param += c, c = str[++j]);
param.Trim();
while(!param.IsEmpty())
{
int i = param.Find(','), j = param.Find('\\');
if(i >= 0 && (j < 0 || i < j))
{
CStringW s = param.Left(i).Trim();
if(!s.IsEmpty()) params.Add(s);
param = i+1 < param.GetLength() ? param.Mid(i+1) : L"";
}
else
{
param.Trim();
if(!param.IsEmpty()) params.Add(param);
param.Empty();
}
}
}
if(!cmd.Find(L"1c") || !cmd.Find(L"2c") || !cmd.Find(L"3c") || !cmd.Find(L"4c"))
params.Add(cmd.Mid(2).Trim(L"&H")), cmd = cmd.Left(2);
else if(!cmd.Find(L"1a") || !cmd.Find(L"2a") || !cmd.Find(L"3a") || !cmd.Find(L"4a"))
params.Add(cmd.Mid(2).Trim(L"&H")), cmd = cmd.Left(2);
else if(!cmd.Find(L"alpha"))
params.Add(cmd.Mid(5).Trim(L"&H")), cmd = cmd.Left(5);
else if(!cmd.Find(L"an"))
params.Add(cmd.Mid(2)), cmd = cmd.Left(2);
else if(!cmd.Find(L"a"))
params.Add(cmd.Mid(1)), cmd = cmd.Left(1);
else if(!cmd.Find(L"bord"))
params.Add(cmd.Mid(4)), cmd = cmd.Left(4);
else if(!cmd.Find(L"be"))
params.Add(cmd.Mid(2)), cmd = cmd.Left(2);
else if(!cmd.Find(L"b"))
params.Add(cmd.Mid(1)), cmd = cmd.Left(1);
else if(!cmd.Find(L"clip"))
;
else if(!cmd.Find(L"c"))
params.Add(cmd.Mid(1).Trim(L"&H")), cmd = cmd.Left(1);
else if(!cmd.Find(L"fade"))
;
else if(!cmd.Find(L"fe"))
params.Add(cmd.Mid(2)), cmd = cmd.Left(2);
else if(!cmd.Find(L"fn"))
params.Add(cmd.Mid(2)), cmd = cmd.Left(2);
else if(!cmd.Find(L"frx") || !cmd.Find(L"fry") || !cmd.Find(L"frz"))
params.Add(cmd.Mid(3)), cmd = cmd.Left(3);
else if(!cmd.Find(L"fax") || !cmd.Find(L"fay"))
params.Add(cmd.Mid(3)), cmd = cmd.Left(3);
else if(!cmd.Find(L"fr"))
params.Add(cmd.Mid(2)), cmd = cmd.Left(2);
else if(!cmd.Find(L"fscx") || !cmd.Find(L"fscy"))
params.Add(cmd.Mid(4)), cmd = cmd.Left(4);
else if(!cmd.Find(L"fsc"))
params.Add(cmd.Mid(3)), cmd = cmd.Left(3);
else if(!cmd.Find(L"fsp"))
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"i"))
params.Add(cmd.Mid(1)), cmd = cmd.Left(1);
else if(!cmd.Find(L"kt") || !cmd.Find(L"kf") || !cmd.Find(L"ko"))
params.Add(cmd.Mid(2)), cmd = cmd.Left(2);
else if(!cmd.Find(L"k") || !cmd.Find(L"K"))
params.Add(cmd.Mid(1)), cmd = cmd.Left(1);
else if(!cmd.Find(L"move"))
;
else if(!cmd.Find(L"org"))
;
else if(!cmd.Find(L"pbo"))
params.Add(cmd.Mid(3)), cmd = cmd.Left(3);
else if(!cmd.Find(L"pos"))
;
else if(!cmd.Find(L"p"))
params.Add(cmd.Mid(1)), cmd = cmd.Left(1);
else if(!cmd.Find(L"q"))
params.Add(cmd.Mid(1)), cmd = cmd.Left(1);
else if(!cmd.Find(L"r"))
params.Add(cmd.Mid(1)), cmd = cmd.Left(1);
else if(!cmd.Find(L"shad"))
params.Add(cmd.Mid(4)), cmd = cmd.Left(4);
else if(!cmd.Find(L"s"))
params.Add(cmd.Mid(1)), cmd = cmd.Left(1);
else if(!cmd.Find(L"t"))
;
else if(!cmd.Find(L"u"))
params.Add(cmd.Mid(1)), cmd = cmd.Left(1);
else if(!cmd.Find(L"xbord"))
params.Add(cmd.Mid(5)), cmd = cmd.Left(5);
else if(!cmd.Find(L"xshad"))
params.Add(cmd.Mid(5)), cmd = cmd.Left(5);
else if(!cmd.Find(L"ybord"))
params.Add(cmd.Mid(5)), cmd = cmd.Left(5);
else if(!cmd.Find(L"yshad"))
params.Add(cmd.Mid(5)), cmd = cmd.Left(5);
else
nUnrecognizedTags++;
nTags++;
// TODO: call ParseStyleModifier(cmd, params, ..) and move the rest there
CStringW p = params.GetCount() > 0 ? params[0] : L"";
if(cmd == "1c" || cmd == L"2c" || cmd == L"3c" || cmd == L"4c")
{
int i = cmd[0] - '1';
DWORD c = wcstol(p, NULL, 16);
style.colors[i] = !p.IsEmpty()
? (((int)CalcAnimation(c&0xff, style.colors[i]&0xff, fAnimate))&0xff
|((int)CalcAnimation(c&0xff00, style.colors[i]&0xff00, fAnimate))&0xff00
|((int)CalcAnimation(c&0xff0000, style.colors[i]&0xff0000, fAnimate))&0xff0000)
: org.colors[i];
}
else if(cmd == L"1a" || cmd == L"2a" || cmd == L"3a" || cmd == L"4a")
{
int i = cmd[0] - '1';
style.alpha[i] = !p.IsEmpty()
? (BYTE)CalcAnimation(wcstol(p, NULL, 16), style.alpha[i], fAnimate)
: org.alpha[i];
}
else if(cmd == L"alpha")
{
for(int i = 0; i < 4; i++)
{
style.alpha[i] = !p.IsEmpty()
? (BYTE)CalcAnimation(wcstol(p, NULL, 16), style.alpha[i], fAnimate)
: org.alpha[i];
}
}
else if(cmd == L"an")
{
int n = wcstol(p, NULL, 10);
if(sub->m_scrAlignment < 0)
sub->m_scrAlignment = (n > 0 && n < 10) ? n : org.scrAlignment;
}
else if(cmd == L"a")
{
int n = wcstol(p, NULL, 10);
if(sub->m_scrAlignment < 0)
sub->m_scrAlignment = (n > 0 && n < 12) ? ((((n-1)&3)+1)+((n&4)?6:0)+((n&8)?3:0)) : org.scrAlignment;
}
else if(cmd == L"bord")
{
double dst = wcstod(p, NULL);
double nx = CalcAnimation(dst, style.outlineWidthX, fAnimate);
style.outlineWidthX = !p.IsEmpty()
? (nx < 0 ? 0 : nx)
: org.outlineWidthX;
double ny = CalcAnimation(dst, style.outlineWidthY, fAnimate);
style.outlineWidthY = !p.IsEmpty()
? (ny < 0 ? 0 : ny)
: org.outlineWidthY;
}
else if(cmd == L"be")
{
int n = (int)(CalcAnimation(wcstol(p, NULL, 10), style.fBlur, fAnimate)+0.5);
style.fBlur = !p.IsEmpty()
? n
: org.fBlur;
}
else if(cmd == L"b")
{
int n = wcstol(p, NULL, 10);
style.fontWeight = !p.IsEmpty()
? (n == 0 ? FW_NORMAL : n == 1 ? FW_BOLD : n >= 100 ? n : org.fontWeight)
: org.fontWeight;
}
else if(cmd == L"clip")
{
if(params.GetCount() == 1 && !sub->m_pClipper)
{
sub->m_pClipper = new CClipper(params[0], CSize(m_size.cx>>3, m_size.cy>>3), sub->m_scalex, sub->m_scaley);
}
else if(params.GetCount() == 2 && !sub->m_pClipper)
{
int scale = max(wcstol(p, NULL, 10), 1);
sub->m_pClipper = new CClipper(params[1], CSize(m_size.cx>>3, m_size.cy>>3), sub->m_scalex/(1<<(scale-1)), sub->m_scaley/(1<<(scale-1)));
}
else if(params.GetCount() == 4)
{
CRect r;
r.SetRect(
wcstol(params[0], NULL, 10),
wcstol(params[1], NULL, 10),
wcstol(params[2], NULL, 10),
wcstol(params[3], NULL, 10));
CPoint o(0, 0);
if(sub->m_relativeTo == 1) // TODO: this should also apply to the other two clippings above
{
o.x = m_vidrect.left>>3;
o.y = m_vidrect.top>>3;
}
sub->m_clip.SetRect(
(int)CalcAnimation(sub->m_scalex*r.left + o.x, sub->m_clip.left, fAnimate),
(int)CalcAnimation(sub->m_scaley*r.top + o.y, sub->m_clip.top, fAnimate),
(int)CalcAnimation(sub->m_scalex*r.right + o.x, sub->m_clip.right, fAnimate),
(int)CalcAnimation(sub->m_scaley*r.bottom + o.y, sub->m_clip.bottom, fAnimate));
}
}
else if(cmd == L"c")
{
DWORD c = wcstol(p, NULL, 16);
style.colors[0] = !p.IsEmpty()
? (((int)CalcAnimation(c&0xff, style.colors[0]&0xff, fAnimate))&0xff
|((int)CalcAnimation(c&0xff00, style.colors[0]&0xff00, fAnimate))&0xff00
|((int)CalcAnimation(c&0xff0000, style.colors[0]&0xff0000, fAnimate))&0xff0000)
: org.colors[0];
}
else if(cmd == L"fade" || cmd == L"fad")
{
if(params.GetCount() == 7 && !sub->m_effects[EF_FADE])// {\fade(a1=param[0], a2=param[1], a3=param[2], t1=t[0], t2=t[1], t3=t[2], t4=t[3])
{
if(Effect* e = new Effect)
{
for(int i = 0; i < 3; i++)
e->param[i] = wcstol(params[i], NULL, 10);
for(int i = 0; i < 4; i++)
e->t[i] = wcstol(params[3+i], NULL, 10);
sub->m_effects[EF_FADE] = e;
}
}
else if(params.GetCount() == 2 && !sub->m_effects[EF_FADE]) // {\fad(t1=t[1], t2=t[2])
{
if(Effect* e = new Effect)
{
e->param[0] = e->param[2] = 0xff;
e->param[1] = 0x00;
for(int i = 1; i < 3; i++)
e->t[i] = wcstol(params[i-1], NULL, 10);
e->t[0] = e->t[3] = -1; // will be substituted with "start" and "end"
sub->m_effects[EF_FADE] = e;
}
}
}
else if(cmd == L"fax")
{
style.fontShiftX = !p.IsEmpty()
? CalcAnimation(wcstod(p, NULL), style.fontShiftX, fAnimate)
: org.fontShiftX;
}
else if(cmd == L"fay")
{
style.fontShiftY = !p.IsEmpty()
? CalcAnimation(wcstod(p, NULL), style.fontShiftY, fAnimate)
: org.fontShiftY;
}
else if(cmd == L"fe")
{
int n = wcstol(p, NULL, 10);
style.charSet = !p.IsEmpty()
? n
: org.charSet;
}
else if(cmd == L"fn")
{
style.fontName = (!p.IsEmpty() && p != '0')
? CString(p).Trim()
: org.fontName;
}
else if(cmd == L"frx")
{
style.fontAngleX = !p.IsEmpty()
? CalcAnimation(wcstod(p, NULL), style.fontAngleX, fAnimate)
: org.fontAngleX;
}
else if(cmd == L"fry")
{
style.fontAngleY = !p.IsEmpty()
? CalcAnimation(wcstod(p, NULL), style.fontAngleY, fAnimate)
: org.fontAngleY;
}
else if(cmd == L"frz" || cmd == L"fr")
{
style.fontAngleZ = !p.IsEmpty()
? CalcAnimation(wcstod(p, NULL), style.fontAngleZ, fAnimate)
: org.fontAngleZ;
}
else if(cmd == L"fscx")
{
double n = CalcAnimation(wcstol(p, NULL, 10), style.fontScaleX, fAnimate);
style.fontScaleX = !p.IsEmpty()
? ((n < 0) ? 0 : n)
: org.fontScaleX;
}
else if(cmd == L"fscy")
{
double n = CalcAnimation(wcstol(p, NULL, 10), style.fontScaleY, fAnimate);
style.fontScaleY = !p.IsEmpty()
? ((n < 0) ? 0 : n)
: org.fontScaleY;
}
else if(cmd == L"fsc")
{
style.fontScaleX = org.fontScaleX;
style.fontScaleY = org.fontScaleY;
}
else if(cmd == L"fsp")
{
style.fontSpacing = !p.IsEmpty()
? CalcAnimation(wcstod(p, NULL), style.fontSpacing, fAnimate)
: org.fontSpacing;
}
else if(cmd == L"fs")
{
if(!p.IsEmpty())
{
if(p[0] == '-' || p[0] == '+')
{
double n = CalcAnimation(style.fontSize + style.fontSize*wcstol(p, NULL, 10)/10, style.fontSize, fAnimate);
style.fontSize = (n > 0) ? n : org.fontSize;
}
else
{
double n = CalcAnimation(wcstol(p, NULL, 10), style.fontSize, fAnimate);
style.fontSize = (n > 0) ? n : org.fontSize;
}
}
else
{
style.fontSize = org.fontSize;
}
}
else if(cmd == L"i")
{
int n = wcstol(p, NULL, 10);
style.fItalic = !p.IsEmpty()
? (n == 0 ? false : n == 1 ? true : org.fItalic)
: org.fItalic;
}
else if(cmd == L"kt")
{
m_kstart = !p.IsEmpty()
? wcstol(p, NULL, 10)*10
: 0;
m_kend = m_kstart;
}
else if(cmd == L"kf" || cmd == L"K")
{
m_ktype = 1;
m_kstart = m_kend;
m_kend += !p.IsEmpty()
? wcstol(p, NULL, 10)*10
: 1000;
}
else if(cmd == L"ko")
{
m_ktype = 2;
m_kstart = m_kend;
m_kend += !p.IsEmpty()
? wcstol(p, NULL, 10)*10
: 1000;
}
else if(cmd == L"k")
{
m_ktype = 0;
m_kstart = m_kend;
m_kend += !p.IsEmpty()
? wcstol(p, NULL, 10)*10
: 1000;
}
else if(cmd == L"move") // {\move(x1=param[0], y1=param[1], x2=param[2], y2=param[3][, t1=t[0], t2=t[1]])}
{
if((params.GetCount() == 4 || params.GetCount() == 6) && !sub->m_effects[EF_MOVE])
{
if(Effect* e = new Effect)
{
e->param[0] = (int)(sub->m_scalex*wcstod(params[0], NULL)*8);
e->param[1] = (int)(sub->m_scaley*wcstod(params[1], NULL)*8);
e->param[2] = (int)(sub->m_scalex*wcstod(params[2], NULL)*8);
e->param[3] = (int)(sub->m_scaley*wcstod(params[3], NULL)*8);
e->t[0] = e->t[1] = -1;
if(params.GetCount() == 6)
{
for(int i = 0; i < 2; i++)
e->t[i] = wcstol(params[4+i], NULL, 10);
}
sub->m_effects[EF_MOVE] = e;
}
}
}
else if(cmd == L"org") // {\org(x=param[0], y=param[1])}
{
if(params.GetCount() == 2 && !sub->m_effects[EF_ORG])
{
if(Effect* e = new Effect)
{
e->param[0] = (int)(sub->m_scalex*wcstod(params[0], NULL)*8);
e->param[1] = (int)(sub->m_scaley*wcstod(params[1], NULL)*8);
sub->m_effects[EF_ORG] = e;
}
}
}
else if(cmd == L"pbo")
{
m_polygonBaselineOffset = wcstol(p, NULL, 10);
}
else if(cmd == L"pos")
{
if(params.GetCount() == 2 && !sub->m_effects[EF_MOVE])
{
if(Effect* e = new Effect)
{
e->param[0] = e->param[2] = (int)(sub->m_scalex*wcstod(params[0], NULL)*8);
e->param[1] = e->param[3] = (int)(sub->m_scaley*wcstod(params[1], NULL)*8);
e->t[0] = e->t[1] = 0;
sub->m_effects[EF_MOVE] = e;
}
}
}
else if(cmd == L"p")
{
int n = wcstol(p, NULL, 10);
m_nPolygon = (n <= 0 ? 0 : n);
}
else if(cmd == L"q")
{
int n = wcstol(p, NULL, 10);
sub->m_wrapStyle = !p.IsEmpty() && (0 <= n && n <= 3)
? n
: m_defaultWrapStyle;
}
else if(cmd == L"r")
{
STSStyle* val;
style = (!p.IsEmpty() && m_styles.Lookup(CString(p), val) && val) ? *val : org;
}
else if(cmd == L"shad")
{
double dst = wcstod(p, NULL);
double nx = CalcAnimation(dst, style.shadowDepthX, fAnimate);
style.shadowDepthX = !p.IsEmpty()
? (nx < 0 ? 0 : nx)
: org.shadowDepthX;
double ny = CalcAnimation(dst, style.shadowDepthY, fAnimate);
style.shadowDepthY = !p.IsEmpty()
? (ny < 0 ? 0 : ny)
: org.shadowDepthY;
}
else if(cmd == L"s")
{
int n = wcstol(p, NULL, 10);
style.fStrikeOut = !p.IsEmpty()
? (n == 0 ? false : n == 1 ? true : org.fStrikeOut)
: org.fStrikeOut;
}
else if(cmd == L"t") // \t([<t1>,<t2>,][<accel>,]<style modifiers>)
{
p.Empty();
m_animStart = m_animEnd = 0;
m_animAccel = 1;
if(params.GetCount() == 1)
{
p = params[0];
}
else if(params.GetCount() == 2)
{
m_animAccel = wcstod(params[0], NULL);
p = params[1];
}
else if(params.GetCount() == 3)
{
m_animStart = (int)wcstod(params[0], NULL);
m_animEnd = (int)wcstod(params[1], NULL);
p = params[2];
}
else if(params.GetCount() == 4)
{
m_animStart = wcstol(params[0], NULL, 10);
m_animEnd = wcstol(params[1], NULL, 10);
m_animAccel = wcstod(params[2], NULL);
p = params[3];
}
ParseSSATag(sub, p, style, org, true);
sub->m_fAnimated = true;
}
else if(cmd == L"u")
{
int n = wcstol(p, NULL, 10);
style.fUnderline = !p.IsEmpty()
? (n == 0 ? false : n == 1 ? true : org.fUnderline)
: org.fUnderline;
}
else if(cmd == L"xbord")
{
double dst = wcstod(p, NULL);
double nx = CalcAnimation(dst, style.outlineWidthX, fAnimate);
style.outlineWidthX = !p.IsEmpty()
? (nx < 0 ? 0 : nx)
: org.outlineWidthX;
}
else if(cmd == L"xshad")
{
double dst = wcstod(p, NULL);
double nx = CalcAnimation(dst, style.shadowDepthX, fAnimate);
style.shadowDepthX = !p.IsEmpty()
? nx
: org.shadowDepthX;
}
else if(cmd == L"ybord")
{
double dst = wcstod(p, NULL);
double ny = CalcAnimation(dst, style.outlineWidthY, fAnimate);
style.outlineWidthY = !p.IsEmpty()
? (ny < 0 ? 0 : ny)
: org.outlineWidthY;
}
else if(cmd == L"yshad")
{
double dst = wcstod(p, NULL);
double ny = CalcAnimation(dst, style.shadowDepthY, fAnimate);
style.shadowDepthY = !p.IsEmpty()
? ny
: org.shadowDepthY;
}
}
// return(nUnrecognizedTags < nTags);
return(true); // there are ppl keeping coments inside {}, lets make them happy now
}
bool CRenderedTextSubtitle::ParseHtmlTag(CSubtitle* sub, CStringW str, STSStyle& style, STSStyle& org)
{
if(str.Find(L"!--") == 0)
return(true);
bool fClosing = str[0] == '/';
str.Trim(L" /");
int i = str.Find(' ');
if(i < 0) i = str.GetLength();
CStringW tag = str.Left(i).MakeLower();
str = str.Mid(i).Trim();
CAtlArray<CStringW> attribs, params;
while((i = str.Find('=')) > 0)
{
attribs.Add(str.Left(i).Trim().MakeLower());
str = str.Mid(i+1);
for(i = 0; _istspace(str[i]); i++);
str = str.Mid(i);
if(str[0] == '\"') {str = str.Mid(1); i = str.Find('\"');}
else i = str.Find(' ');
if(i < 0) i = str.GetLength();
params.Add(str.Left(i).Trim().MakeLower());
str = str.Mid(i+1);
}
if(tag == L"text")
;
else if(tag == L"b" || tag == L"strong")
style.fontWeight = !fClosing ? FW_BOLD : org.fontWeight;
else if(tag == L"i" || tag == L"em")
style.fItalic = !fClosing ? true : org.fItalic;
else if(tag == L"u")
style.fUnderline = !fClosing ? true : org.fUnderline;
else if(tag == L"s" || tag == L"strike" || tag == L"del")
style.fStrikeOut = !fClosing ? true : org.fStrikeOut;
else if(tag == L"font")
{
if(!fClosing)
{
for(i = 0; i < attribs.GetCount(); i++)
{
if(params[i].IsEmpty()) continue;
int nColor = -1;
if(attribs[i] == L"face")
{
style.fontName = params[i];
}
else if(attribs[i] == L"size")
{
if(params[i][0] == '+')
style.fontSize += wcstol(params[i], NULL, 10);
else if(params[i][0] == '-')
style.fontSize -= wcstol(params[i], NULL, 10);
else
style.fontSize = wcstol(params[i], NULL, 10);
}
else if(attribs[i] == L"color")
{
nColor = 0;
}
else if(attribs[i] == L"outline-color")
{
nColor = 2;
}
else if(attribs[i] == L"outline-level")
{
style.outlineWidthX = style.outlineWidthY = wcstol(params[i], NULL, 10);
}
else if(attribs[i] == L"shadow-color")
{
nColor = 3;
}
else if(attribs[i] == L"shadow-level")
{
style.shadowDepthX = style.shadowDepthY = wcstol(params[i], NULL, 10);
}
if(nColor >= 0 && nColor < 4)
{
CString key = WToT(params[i]).TrimLeft('#');
DWORD val;
if(g_colors.Lookup(key, val))
style.colors[nColor] = val;
else if((style.colors[nColor] = _tcstol(key, NULL, 16)) == 0)
style.colors[nColor] = 0x00ffffff; // default is white
style.colors[nColor] = ((style.colors[nColor]>>16)&0xff)|((style.colors[nColor]&0xff)<<16)|(style.colors[nColor]&0x00ff00);
}
}
}
else
{
style.fontName = org.fontName;
style.fontSize = org.fontSize;
memcpy(style.colors, org.colors, sizeof(style.colors));
}
}
else if(tag == L"k" && attribs.GetCount() == 1 && attribs[0] == L"t")
{
m_ktype = 1;
m_kstart = m_kend;
m_kend += wcstol(params[0], NULL, 10);
}
else
return(false);
return(true);
}
double CRenderedTextSubtitle::CalcAnimation(double dst, double src, bool fAnimate)
{
int s = m_animStart ? m_animStart : 0;
int e = m_animEnd ? m_animEnd : m_delay;
if(fabs(dst-src) >= 0.0001 && fAnimate)
{
if(m_time < s) dst = src;
else if(s <= m_time && m_time < e)
{
double t = pow(1.0 * (m_time - s) / (e - s), m_animAccel);
dst = (1 - t) * src + t * dst;
}
// else dst = dst;
}
return(dst);
}
CSubtitle* CRenderedTextSubtitle::GetSubtitle(int entry)
{
CSubtitle* sub;
if(m_subtitleCache.Lookup(entry, sub))
{
if(sub->m_fAnimated) {delete sub; sub = NULL;}
else return(sub);
}
sub = new CSubtitle();
if(!sub) return(NULL);
CStringW str = GetStrW(entry, true);
STSStyle stss, orgstss;
GetStyle(entry, stss);
orgstss = stss;
sub->m_clip.SetRect(0, 0, m_size.cx>>3, m_size.cy>>3);
sub->m_scrAlignment = -stss.scrAlignment;
sub->m_wrapStyle = m_defaultWrapStyle;
sub->m_fAnimated = false;
sub->m_relativeTo = stss.relativeTo;
sub->m_scalex = m_dstScreenSize.cx > 0 ? 1.0 * (stss.relativeTo == 1 ? m_vidrect.Width() : m_size.cx) / (m_dstScreenSize.cx*8) : 1.0;
sub->m_scaley = m_dstScreenSize.cy > 0 ? 1.0 * (stss.relativeTo == 1 ? m_vidrect.Height() : m_size.cy) / (m_dstScreenSize.cy*8) : 1.0;
m_animStart = m_animEnd = 0;
m_animAccel = 1;
m_ktype = m_kstart = m_kend = 0;
m_nPolygon = 0;
m_polygonBaselineOffset = 0;
ParseEffect(sub, GetAt(entry).effect);
while(!str.IsEmpty())
{
bool fParsed = false;
int i;
if(str[0] == '{' && (i = str.Find(L'}')) > 0)
{
if(fParsed = ParseSSATag(sub, str.Mid(1, i-1), stss, orgstss))
str = str.Mid(i+1);
}
else if(str[0] == '<' && (i = str.Find(L'>')) > 0)
{
if(fParsed = ParseHtmlTag(sub, str.Mid(1, i-1), stss, orgstss))
str = str.Mid(i+1);
}
if(fParsed)
{
i = str.FindOneOf(L"{<");
if(i < 0) i = str.GetLength();
if(i == 0) continue;
}
else
{
i = str.Mid(1).FindOneOf(L"{<");
if(i < 0) i = str.GetLength()-1;
i++;
}
STSStyle tmp = stss;
tmp.fontSize = sub->m_scaley*tmp.fontSize*64;
tmp.fontSpacing = sub->m_scalex*tmp.fontSpacing*64;
tmp.outlineWidthX *= (m_fScaledBAS ? sub->m_scalex : 1) * 8;
tmp.outlineWidthY *= (m_fScaledBAS ? sub->m_scaley : 1) * 8;
tmp.shadowDepthX *= (m_fScaledBAS ? sub->m_scalex : 1) * 8;
tmp.shadowDepthY *= (m_fScaledBAS ? sub->m_scaley : 1) * 8;
if(m_nPolygon)
{
ParsePolygon(sub, str.Left(i), tmp);
}
else
{
ParseString(sub, str.Left(i), tmp);
}
str = str.Mid(i);
}
// just a "work-around" solution... in most cases nobody will want to use \org together with moving but without rotating the subs
if(sub->m_effects[EF_ORG] && (sub->m_effects[EF_MOVE] || sub->m_effects[EF_BANNER] || sub->m_effects[EF_SCROLL]))
sub->m_fAnimated = true;
sub->m_scrAlignment = abs(sub->m_scrAlignment);
STSEntry stse = GetAt(entry);
CRect marginRect = stse.marginRect;
if(marginRect.left == 0) marginRect.left = orgstss.marginRect.left;
if(marginRect.top == 0) marginRect.top = orgstss.marginRect.top;
if(marginRect.right == 0) marginRect.right = orgstss.marginRect.right;
if(marginRect.bottom == 0) marginRect.bottom = orgstss.marginRect.bottom;
marginRect.left = (int)(sub->m_scalex*marginRect.left*8);
marginRect.top = (int)(sub->m_scaley*marginRect.top*8);
marginRect.right = (int)(sub->m_scalex*marginRect.right*8);
marginRect.bottom = (int)(sub->m_scaley*marginRect.bottom*8);
if(stss.relativeTo == 1)
{
marginRect.left += m_vidrect.left;
marginRect.top += m_vidrect.top;
marginRect.right += m_size.cx - m_vidrect.right;
marginRect.bottom += m_size.cy - m_vidrect.bottom;
}
sub->CreateClippers(m_size);
sub->MakeLines(m_size, marginRect);
m_subtitleCache[entry] = sub;
return(sub);
}
//
STDMETHODIMP CRenderedTextSubtitle::NonDelegatingQueryInterface(REFIID riid, void** ppv)
{
CheckPointer(ppv, E_POINTER);
*ppv = NULL;
return
QI(IPersist)
QI(ISubStream)
QI(ISubPicProvider)
__super::NonDelegatingQueryInterface(riid, ppv);
}
// ISubPicProvider
STDMETHODIMP_(POSITION) CRenderedTextSubtitle::GetStartPosition(REFERENCE_TIME rt, double fps)
{
int iSegment = -1;
SearchSubs((int)(rt/10000), fps, &iSegment, NULL);
if(iSegment < 0) iSegment = 0;
return(GetNext((POSITION)iSegment));
}
STDMETHODIMP_(POSITION) CRenderedTextSubtitle::GetNext(POSITION pos)
{
int iSegment = (int)pos;
const STSSegment* stss;
while((stss = GetSegment(iSegment)) && stss->subs.GetCount() == 0)
iSegment++;
return(stss ? (POSITION)(iSegment+1) : NULL);
}
STDMETHODIMP_(REFERENCE_TIME) CRenderedTextSubtitle::GetStart(POSITION pos, double fps)
{
return(10000i64 * TranslateSegmentStart((int)pos-1, fps));
}
STDMETHODIMP_(REFERENCE_TIME) CRenderedTextSubtitle::GetStop(POSITION pos, double fps)
{
return(10000i64 * TranslateSegmentEnd((int)pos-1, fps));
}
STDMETHODIMP_(bool) CRenderedTextSubtitle::IsAnimated(POSITION pos)
{
// TODO
return(true);
}
struct LSub {int idx, layer, readorder;};
static int lscomp(const void* ls1, const void* ls2)
{
int ret = ((LSub*)ls1)->layer - ((LSub*)ls2)->layer;
if(!ret) ret = ((LSub*)ls1)->readorder - ((LSub*)ls2)->readorder;
return(ret);
}
STDMETHODIMP CRenderedTextSubtitle::Render(SubPicDesc& spd, REFERENCE_TIME rt, double fps, RECT& bbox)
{
CRect bbox2(0,0,0,0);
if(m_size != CSize(spd.w*8, spd.h*8) || m_vidrect != CRect(spd.vidrect.left*8, spd.vidrect.top*8, spd.vidrect.right*8, spd.vidrect.bottom*8))
Init(CSize(spd.w, spd.h), spd.vidrect);
int t = (int)(rt / 10000);
int segment;
const STSSegment* stss = SearchSubs(t, fps, &segment);
if(!stss) return S_FALSE;
// clear any cached subs not in the range of +/-30secs measured from the segment's bounds
{
POSITION pos = m_subtitleCache.GetStartPosition();
while(pos)
{
int key;
CSubtitle* value;
m_subtitleCache.GetNextAssoc(pos, key, value);
STSEntry& stse = GetAt(key);
if(stse.end <= (t-30000) || stse.start > (t+30000))
{
delete value;
m_subtitleCache.RemoveKey(key);
pos = m_subtitleCache.GetStartPosition();
}
}
}
m_sla.AdvanceToSegment(segment, stss->subs);
CAtlArray<LSub> subs;
for(int i = 0, j = stss->subs.GetCount(); i < j; i++)
{
LSub ls;
ls.idx = stss->subs[i];
ls.layer = GetAt(stss->subs[i]).layer;
ls.readorder = GetAt(stss->subs[i]).readorder;
subs.Add(ls);
}
qsort(subs.GetData(), subs.GetCount(), sizeof(LSub), lscomp);
for(int i = 0, j = subs.GetCount(); i < j; i++)
{
int entry = subs[i].idx;
STSEntry stse = GetAt(entry);
{
int start = TranslateStart(entry, fps);
m_time = t - start;
m_delay = TranslateEnd(entry, fps) - start;
}
CSubtitle* s = GetSubtitle(entry);
if(!s) continue;
CRect clipRect = s->m_clip;
CRect r = s->m_rect;
CSize spaceNeeded = r.Size();
// apply the effects
bool fPosOverride = false, fOrgOverride = false;
int alpha = 0x00;
CPoint org2;
for(int k = 0; k < EF_NUMBEROFEFFECTS; k++)
{
if(!s->m_effects[k]) continue;
switch(k)
{
case EF_MOVE: // {\move(x1=param[0], y1=param[1], x2=param[2], y2=param[3], t1=t[0], t2=t[1])}
{
CPoint p;
CPoint p1(s->m_effects[k]->param[0], s->m_effects[k]->param[1]);
CPoint p2(s->m_effects[k]->param[2], s->m_effects[k]->param[3]);
int t1 = s->m_effects[k]->t[0];
int t2 = s->m_effects[k]->t[1];
if(t2 < t1) {int t = t1; t1 = t2; t2 = t;}
if(t1 <= 0 && t2 <= 0) {t1 = 0; t2 = m_delay;}
if(m_time <= t1) p = p1;
else if (p1 == p2) p = p1; // jfs: avoid rounding error problems sometimes causing subtitles with \pos to jump around a bit
else if(t1 < m_time && m_time < t2)
{
double t = 1.0*(m_time-t1)/(t2-t1);
p.x = (int)((1-t)*p1.x + t*p2.x);
p.y = (int)((1-t)*p1.y + t*p2.y);
}
else p = p2;
r = CRect(
CPoint((s->m_scrAlignment%3) == 1 ? p.x : (s->m_scrAlignment%3) == 0 ? p.x - spaceNeeded.cx : p.x - (spaceNeeded.cx+1)/2,
s->m_scrAlignment <= 3 ? p.y - spaceNeeded.cy : s->m_scrAlignment <= 6 ? p.y - (spaceNeeded.cy+1)/2 : p.y),
spaceNeeded);
if(s->m_relativeTo == 1)
r.OffsetRect(m_vidrect.TopLeft());
fPosOverride = true;
}
break;
case EF_ORG: // {\org(x=param[0], y=param[1])}
{
org2 = CPoint(s->m_effects[k]->param[0], s->m_effects[k]->param[1]);
fOrgOverride = true;
}
break;
case EF_FADE: // {\fade(a1=param[0], a2=param[1], a3=param[2], t1=t[0], t2=t[1], t3=t[2], t4=t[3]) or {\fad(t1=t[1], t2=t[2])
{
int t1 = s->m_effects[k]->t[0];
int t2 = s->m_effects[k]->t[1];
int t3 = s->m_effects[k]->t[2];
int t4 = s->m_effects[k]->t[3];
if(t1 == -1 && t4 == -1) {t1 = 0; t3 = m_delay-t3; t4 = m_delay;}
if(m_time < t1) alpha = s->m_effects[k]->param[0];
else if(m_time >= t1 && m_time < t2)
{
double t = 1.0 * (m_time - t1) / (t2 - t1);
alpha = (int)(s->m_effects[k]->param[0]*(1-t) + s->m_effects[k]->param[1]*t);
}
else if(m_time >= t2 && m_time < t3) alpha = s->m_effects[k]->param[1];
else if(m_time >= t3 && m_time < t4)
{
double t = 1.0 * (m_time - t3) / (t4 - t3);
alpha = (int)(s->m_effects[k]->param[1]*(1-t) + s->m_effects[k]->param[2]*t);
}
else if(m_time >= t4) alpha = s->m_effects[k]->param[2];
}
break;
case EF_BANNER: // Banner;delay=param[0][;leftoright=param[1];fadeawaywidth=param[2]]
{
int left = s->m_relativeTo == 1 ? m_vidrect.left : 0,
right = s->m_relativeTo == 1 ? m_vidrect.right : m_size.cx;
r.left = !!s->m_effects[k]->param[1]
? (left/*marginRect.left*/ - spaceNeeded.cx) + (int)(m_time*8.0/s->m_effects[k]->param[0])
: (right /*- marginRect.right*/) - (int)(m_time*8.0/s->m_effects[k]->param[0]);
r.right = r.left + spaceNeeded.cx;
clipRect &= CRect(left>>3, clipRect.top, right>>3, clipRect.bottom);
fPosOverride = true;
}
break;
case EF_SCROLL: // Scroll up/down(toptobottom=param[3]);top=param[0];bottom=param[1];delay=param[2][;fadeawayheight=param[4]]
{
r.top = !!s->m_effects[k]->param[3]
? s->m_effects[k]->param[0] + (int)(m_time*8.0/s->m_effects[k]->param[2]) - spaceNeeded.cy
: s->m_effects[k]->param[1] - (int)(m_time*8.0/s->m_effects[k]->param[2]);
r.bottom = r.top + spaceNeeded.cy;
CRect cr(0, (s->m_effects[k]->param[0] + 4) >> 3, spd.w, (s->m_effects[k]->param[1] + 4) >> 3);
if(s->m_relativeTo == 1)
r.top += m_vidrect.top,
r.bottom += m_vidrect.top,
cr.top += m_vidrect.top>>3,
cr.bottom += m_vidrect.top>>3;
clipRect &= cr;
fPosOverride = true;
}
break;
default:
break;
}
}
if(!fPosOverride && !fOrgOverride && !s->m_fAnimated)
r = m_sla.AllocRect(s, segment, entry, stse.layer, m_collisions);
CPoint org;
org.x = (s->m_scrAlignment%3) == 1 ? r.left : (s->m_scrAlignment%3) == 2 ? r.CenterPoint().x : r.right;
org.y = s->m_scrAlignment <= 3 ? r.bottom : s->m_scrAlignment <= 6 ? r.CenterPoint().y : r.top;
if(!fOrgOverride) org2 = org;
BYTE* pAlphaMask = s->m_pClipper?s->m_pClipper->m_pAlphaMask:NULL;
CPoint p, p2(0, r.top);
POSITION pos;
p = p2;
pos = s->GetHeadPosition();
while(pos)
{
CLine* l = s->GetNext(pos);
p.x = (s->m_scrAlignment%3) == 1 ? org.x
: (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);
p.y += l->m_ascent + l->m_descent;
}
p = p2;
pos = s->GetHeadPosition();
while(pos)
{
CLine* l = s->GetNext(pos);
p.x = (s->m_scrAlignment%3) == 1 ? org.x
: (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);
p.y += l->m_ascent + l->m_descent;
}
p = p2;
pos = s->GetHeadPosition();
while(pos)
{
CLine* l = s->GetNext(pos);
p.x = (s->m_scrAlignment%3) == 1 ? org.x
: (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);
p.y += l->m_ascent + l->m_descent;
}
}
bbox = bbox2;
return (subs.GetCount() && !bbox2.IsRectEmpty()) ? S_OK : S_FALSE;
}
// IPersist
STDMETHODIMP CRenderedTextSubtitle::GetClassID(CLSID* pClassID)
{
return pClassID ? *pClassID = __uuidof(this), S_OK : E_POINTER;
}
// ISubStream
STDMETHODIMP_(int) CRenderedTextSubtitle::GetStreamCount()
{
return(1);
}
STDMETHODIMP CRenderedTextSubtitle::GetStreamInfo(int iStream, WCHAR** ppName, LCID* pLCID)
{
if(iStream != 0) return E_INVALIDARG;
if(ppName)
{
if(!(*ppName = (WCHAR*)CoTaskMemAlloc((m_name.GetLength()+1)*sizeof(WCHAR))))
return E_OUTOFMEMORY;
wcscpy(*ppName, CStringW(m_name));
}
if(pLCID)
{
*pLCID = 0; // TODO
}
return S_OK;
}
STDMETHODIMP_(int) CRenderedTextSubtitle::GetStream()
{
return(0);
}
STDMETHODIMP CRenderedTextSubtitle::SetStream(int iStream)
{
return iStream == 0 ? S_OK : E_FAIL;
}
STDMETHODIMP CRenderedTextSubtitle::Reload()
{
CFileStatus s;
if(!CFile::GetStatus(m_path, s)) return E_FAIL;
return !m_path.IsEmpty() && Open(m_path, DEFAULT_CHARSET) ? S_OK : E_FAIL;
}
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