sitetran.cpp

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

                  lineSeg2.start.x = retRGN->rects[y].x2;
                  lineSeg2.start.y = retRGN->rects[y].y1;
                  lineSeg2.finish.x = retRGN->rects[y].x2;
                  lineSeg2.finish.y = retRGN->rects[y].y2;

                  if (tl.m_nLines)
                  {
                     CalcMatrixLines(&tmpLines, &tl, &lineSeg2, &tmpBlock);
                     tl = tmpLines;
                  }
                  else
                  {
                     CalcMatrixLines(&tmpLines, &lineSeg1, &lineSeg2, &tmpBlock);
                     tl += tmpLines;
                  }

                  // once we're blocked we don't want to be changed
                  if (tmpBlock)
                     blocked = TRUE;
               }
            }
            if (!blocked && !tl.m_nLines)
            {
               tl += lineSeg1;
            }
            *lines += tl;
         }
      }
   }
    
   return retRGN;
}

HXREGION* HorizontalMatrix(int left, int top, int right, int bottom, int completeness, tranLines* lines)
{
   static CHXBuffer* z_HorizontalMatrixDataBuffer = NULL;
        
   if (!z_HorizontalMatrixDataBuffer || completeness == MATRIX_TRANSITION_INIT)
   {
      MatrixTransitionData* HorizontalMatrixTransition = new MatrixTransitionData(8,8,64);
      MatrixBlockTransitionList* blockTransList = HorizontalMatrixTransition->GetTransactionListPtr();
                
      for (int i = 0; i < 64; ++i)
      {
         blockTransList[i].CreateList(1);
         MatrixBlockTransition* list = blockTransList[i].GetListPtr();

         list->invert = ((i / 8) & 1);
         if (list->invert)      // determine if row we're in is odd; the top row is row 0
            list->block = ((i / 8) + 1) * 8 - (i % 8) - 1;  // if we're odd we're moving right to left
         else
            list->block = i;  // otherwise left to right

         list->transition = EdgeWipe;
      }
                
      z_HorizontalMatrixDataBuffer = new CHXBuffer();
      z_HorizontalMatrixDataBuffer->AddRef();
      z_HorizontalMatrixDataBuffer->Set((UCHAR*)&HorizontalMatrixTransition, sizeof(UCHAR*));
   }
   else if (completeness == MATRIX_TRANSITION_DELETE)
   {
      delete *((MatrixTransitionData**)z_HorizontalMatrixDataBuffer->GetBuffer());
      if (!z_HorizontalMatrixDataBuffer->Release())
      {
         z_HorizontalMatrixDataBuffer = NULL;
         return HXCreateRegion();
      }
   }
        
   return MatrixTransition(left,top,right,bottom,completeness,
                           *((MatrixTransitionData**)z_HorizontalMatrixDataBuffer->GetBuffer()),lines);
}

HXREGION* VerticalMatrix(int left, int top, int right, int bottom, int completeness, tranLines* lines)
{
   static CHXBuffer* z_VerticalMatrixDataBuffer = NULL;
        
   if (!z_VerticalMatrixDataBuffer || completeness == MATRIX_TRANSITION_INIT)
   {
      MatrixTransitionData* VerticalMatrixTransition = new MatrixTransitionData(8,8,64);
      MatrixBlockTransitionList* blockTransList = VerticalMatrixTransition->GetTransactionListPtr();
                
      for (int i = 0; i < 64; ++i)
      {
         blockTransList[i].CreateList(1);
         MatrixBlockTransition* list = blockTransList[i].GetListPtr();
                        
         list->invert = (i / 8) & 1;
                        
         if (list->invert)      // determine if column we're in is odd; the left col is col 0
            list->block = ((7 - i % 8) % 8) * 8 + i / 8;
         else
            list->block = (i % 8) * 8 + i / 8;
                        
         list->transition = SlideVerticalEdgeWipe;
      }
                
      z_VerticalMatrixDataBuffer = new CHXBuffer();
      z_VerticalMatrixDataBuffer->AddRef();
      z_VerticalMatrixDataBuffer->Set((UCHAR*)&VerticalMatrixTransition, sizeof(UCHAR*));
   }
   else if (completeness == MATRIX_TRANSITION_DELETE)
   {
      delete *((MatrixTransitionData**)z_VerticalMatrixDataBuffer->GetBuffer());
      if (!z_VerticalMatrixDataBuffer->Release())
      {
         z_VerticalMatrixDataBuffer = NULL;
         return HXCreateRegion();
      }
   }
        
   return MatrixTransition(left,top,right,bottom,completeness,*((MatrixTransitionData**)z_VerticalMatrixDataBuffer->GetBuffer()),lines);
}

void GetTopLeftDiagonalCoords(int left, int top, int right, int bottom, int completeness, HXxPoint p[7], tranLines* lines)
{
   int width = right - left;
   int height = bottom - top;
   double x = double(width) / 8.0;
   double y = double(height) / 8.0;
        
   int area = 0, lastArea = 0;
   int i;
        
   memset(p,0,sizeof(HXxPoint) * 7);
        
   int areaComplete = int(double(width * height * completeness) / 1000.0);
        
   for (i = 0; i < 16; ++i)
   {
      if (i < 8)
      {
         area = int((x * i + x) * (y * i + y) / 2);
      }
      else
      {
         area = width * height - int((x * (14 - i) + x) * (y * (14 - i) + y) / 2);
      }
                
      if (areaComplete < area)
         break;
                
      lastArea = area;
   }
   if (i == 16) --i;
        
   int tmpCompleteness = 1000 - int(double(area - areaComplete) / double(area - lastArea) * 1000);
        
   HXxPoint topPt, bottomPt;
        
   if (i < 8)
   {
      p[0].x = left;
      p[0].y = int(top + i * y);
      p[1].x = int(left + i * x);
      p[1].y = top;
      p[2].x = int(left + (i + 1) * x);
      p[2].y = top;
      p[3].x = left;
      p[3].y = int(top + (i + 1) * y);
   }
   else
   {
      int tmp = i - 8;
                
      p[0].x = int(left + tmp * x);
      p[0].y = bottom;
      p[1].x = right;
      p[1].y = int(top + tmp * y);
      p[2].x = right;
      p[2].y = int(top + (tmp + 1) * y);
      p[3].x = int(left + (tmp + 1) * x);
      p[3].y = bottom;
   }
        
   if (i & 1)
      tmpCompleteness = 1000 - tmpCompleteness;
        
   GetDiagonalStripCoords(p[0],p[1],p[2],p[3],&topPt,&bottomPt,tmpCompleteness);
        
   p[0].x = left;
   p[0].y = top;
   p[1].y = top;
        
   if (i < 8)
   {
      if (i & 1)
      {
         p[1].x = int(left + x * i + x);
         p[2].x = bottomPt.x;
         p[2].y = bottomPt.y;
         p[3].x = topPt.x;
         p[3].y = topPt.y;
         p[4].y = int(top + y * i);
      }
      else
      {
         p[1].x = int(left + x * i);
         p[2].x = topPt.x;
         p[2].y = topPt.y;
         p[3].x = bottomPt.x;
         p[3].y = bottomPt.y;
         p[4].y = int(top + y * i + y);
      }
      p[4].x = left;
   }
   else
   {
      p[1].x = right;
      p[2].x = right;
      p[5].y = bottom;
      p[6].x = left;
      p[6].y = bottom;
                
      if (i & 1)
      {
         p[2].y = int(top + y * (i - 8) + y);
         p[3].x = bottomPt.x;
         p[3].y = bottomPt.y;
         p[4].x = topPt.x;
         p[4].y = topPt.y;
         p[5].x = int(left + x * (i - 8));
      }
      else
      {
         p[2].y = int(top + y * (i - 8));
         p[3].x = topPt.x;
         p[3].y = topPt.y;
         p[4].x = bottomPt.x;
         p[4].y = bottomPt.y;
         p[5].x = int(left + x * (i - 8) + x);
      }
   }
   if (lines)
   {
      lines->m_nLines = 3;
      lines->m_pLines = new LineSegment[3];

      if(!lines->m_pLines)
      {
         lines->m_nLines = 0;
      }
      else
      {
         int pt = (i < 8) ? 1 : 2;
         lines->m_pLines[0].start.x = p[pt].x;
         lines->m_pLines[0].start.y= p[pt].y;
         lines->m_pLines[0].finish.x = p[pt+1].x;
         lines->m_pLines[0].finish.y= p[pt+1].y;
         lines->m_pLines[1].start.x = p[pt+1].x;
         lines->m_pLines[1].start.y= p[pt+1].y;
         lines->m_pLines[1].finish.x = p[pt+2].x;
         lines->m_pLines[1].finish.y= p[pt+2].y;
         lines->m_pLines[2].start.x = p[pt+2].x;
         lines->m_pLines[2].start.y= p[pt+2].y;
         lines->m_pLines[2].finish.x = p[pt+3].x;
         lines->m_pLines[2].finish.y= p[pt+3].y;
      }
   }
}

HXREGION* TopLeftDiagonalMatrix(int left, int top, int right, int bottom, int completeness, tranLines* lines)
{
   HXxPoint p[7];
        
   GetTopLeftDiagonalCoords(left,top,right,bottom,completeness,p,lines);
   return HXPolygonRegion(p, 7, WindingRule);
}

HXREGION* TopRightDiagonalMatrix(int left, int top, int right, int bottom, int completeness, tranLines* lines)
{
   HXREGION* retRGN = MirrorVertical(TopLeftDiagonalMatrix(left,top,right,bottom,completeness,lines),left + (right - left + 1) / 2);
   if (lines)
      MirrorVertical(lines,(right - left) / 2);

   return retRGN;
}

HXREGION* BottomRightDiagonalMatrix(int left, int top, int right, int bottom, int completeness, tranLines* lines)
{
   HXREGION* retRGN = MirrorHorizontal(MirrorVertical(TopLeftDiagonalMatrix(left,top,right,bottom,completeness,lines),left + (right - left + 1) / 2),top + (bottom - top + 1) / 2);
   if (lines)
   {
      MirrorVertical(lines,(right - left) / 2);
      MirrorHorizontal(lines,top + (bottom - top + 1) / 2);
   }

   return retRGN;
}

HXREGION* BottomLeftDiagonalMatrix(int left, int top, int right, int bottom, int completeness, tranLines* lines)
{
   HXREGION* retRGN = MirrorHorizontal(TopLeftDiagonalMatrix(left,top,right,bottom,completeness,lines),top + (bottom - top + 1) / 2);
   if (lines)
      MirrorHorizontal(lines,top + (bottom - top + 1) / 2);

   return retRGN;
}

HXREGION* ClockwiseTopLeftMatrix(int left, int top, int right, int bottom, int completeness, tranLines* lines)
{
   static CHXBuffer* z_cwTopLeftDataBuffer = NULL;
        
   if (!z_cwTopLeftDataBuffer || completeness == MATRIX_TRANSITION_INIT)
   {
      MatrixTransitionData* VerticalMatrixTransition = new MatrixTransitionData(8,8,64);
      MatrixBlockTransitionList* blockTransList = VerticalMatrixTransition->GetTransactionListPtr();
                
      int blockIdx = 0;
                
      for (int i = 8; i > 0; i -= 2)
      {
         int j;
         int horzOffset = ((8 - i) / 2) * 9;
         int vertOffset = (9 - i) / 2;
         int vertOffsetRt = i / 2 + 2;
                        
         for (j = 0; j < i; ++j, ++blockIdx)
         {
            blockTransList[blockIdx].CreateList(1);
            MatrixBlockTransition* list = blockTransList[blockIdx].GetListPtr();
                                
            list->block = j + horzOffset;
            list->invert = 0;
            list->transition = EdgeWipe;
         }
         for (j = 0; j < i - 2; ++j, ++blockIdx)
         {
            blockTransList[blockIdx].CreateList(1);
            MatrixBlockTransition* list = blockTransList[blockIdx].GetListPtr();
                                
            list->block = (j + 2 + vertOffset) * 8 - (vertOffset + 1);
            list->invert = 0;
            list->transition = SlideVerticalEdgeWipe;
         }
         for (j = 0; j < i; ++j, ++blockIdx)
         {
            blockTransList[blockIdx].CreateList(1);
            MatrixBlockTransition* list = blockTransList[blockIdx].GetListPtr();
                                
            list->block = 63 - j - horzOffset;
            list->invert = 1;
            list->transition = EdgeWipe;
         }
         for (j = 0; j < i - 2; ++j, ++blockIdx)
         {
            blockTransList[blockIdx].CreateList(1);
            MatrixBlockTransition* list = blockTransList[blockIdx].GetListPtr();
                                
            list->block = (vertOffsetRt - j) * 8 + (vertOffset);
            list->invert = 1;
            list->transition = SlideVerticalEdgeWipe;
         }
      }
                
      z_cwTopLeftDataBuffer = new CHXBuffer();
      z_cwTopLeftDataBuffer->AddRef();
      z_cwTopLeftDataBuffer->Set((UCHAR*)&VerticalMatrixTransition, sizeof(UCHAR*));
   }
   else if (completeness == MATRIX_TRANSITION_DELETE)
   {
      delete *((MatrixTransitionData**)z_cwTopLeftDataBuffer->GetBuffer());
      if (!z_cwTopLeftDataBuffer->Release())
      {
         z_cwTopLeftDataBuffer = NULL;
         return HXCreateRegion();
      }
   }
        
   return MatrixTransition(left,top,right,bottom,completeness,*((MatrixTransitionData**)z_cwTopLeftDataBuffer->GetBuffer()),lines);
}

HXREGION* ClockwiseTopRightMatrix(int left, int top, int right, int bottom, int completeness, tranLines* lines)
{
   HXREGION* retRGN = MirrorVertical(
      CounterClockwiseTopLeftMatrix(left,top,right,bottom,completeness,lines),
      left + (right - left+1) / 2
      );
   if (lines)
      MirrorVertical(lines,(left + right) / 2);

   return retRGN;
}

HXREGION* ClockwiseBottomRightMatrix(int left, int top, int right, int bottom, int completeness, tranLines* lines)
{
   HXREGION* retRGN = MirrorHorizontal(MirrorVertical(ClockwiseTopLeftMatrix(left,top,right,bottom,completeness,lines),left + (right - left + 1) / 2),(top + bottom) / 2);
   if (lines)
   {
      MirrorVertical(lines,left + (right - left + 1) / 2);
      MirrorHorizontal(lines,(top + bottom) / 2);