void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2, wxHtmlRenderingInfo& info) { #if 0 // useful for debugging dc.SetPen(*wxRED_PEN); dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width,m_Height); #endif int xlocal = x + m_PosX; int ylocal = y + m_PosY; if (m_UseBkColour) { wxBrush myb = wxBrush(m_BkColour, wxBRUSHSTYLE_SOLID); int real_y1 = mMax(ylocal, view_y1); int real_y2 = mMin(ylocal + m_Height - 1, view_y2); dc.SetBrush(myb); dc.SetPen(*wxTRANSPARENT_PEN); dc.DrawRectangle(xlocal, real_y1, m_Width, real_y2 - real_y1 + 1); } if (m_Border == 1) { // draw thin border using lines wxPen mypen1(m_BorderColour1, 1, wxPENSTYLE_SOLID); wxPen mypen2(m_BorderColour2, 1, wxPENSTYLE_SOLID); dc.SetPen(mypen1); dc.DrawLine(xlocal, ylocal, xlocal, ylocal + m_Height - 1); dc.DrawLine(xlocal, ylocal, xlocal + m_Width, ylocal); dc.SetPen(mypen2); dc.DrawLine(xlocal + m_Width - 1, ylocal, xlocal + m_Width - 1, ylocal + m_Height - 1); dc.DrawLine(xlocal, ylocal + m_Height - 1, xlocal + m_Width, ylocal + m_Height - 1); } else if (m_Border> 0) { wxBrush mybrush1(m_BorderColour1, wxBRUSHSTYLE_SOLID); wxBrush mybrush2(m_BorderColour2, wxBRUSHSTYLE_SOLID); // draw upper left corner // 0---------------5 // | / // | 3-----------4 // | | // | 2 // |/ // 1 wxPoint poly[6]; poly[0].x =m_PosX; poly[0].y = m_PosY ; poly[1].x =m_PosX; poly[1].y = m_PosY + m_Height; poly[2].x =m_PosX + m_Border; poly[2].y = poly[1].y - m_Border; poly[3].x =poly[2].x ; poly[3].y = m_PosY + m_Border; poly[4].x =m_PosX + m_Width - m_Border; poly[4].y = poly[3].y; poly[5].x =m_PosX + m_Width; poly[5].y = m_PosY; dc.SetBrush(mybrush1); dc.SetPen(*wxTRANSPARENT_PEN); dc.DrawPolygon(6, poly, x, y); // draw lower right corner reusing point 1,2,4 and 5 // 5 // /| // 4 | // | | // 2-----------3 | // / | // 1---------------0 dc.SetBrush(mybrush2); poly[0].x = poly[5].x; poly[0].y = poly[1].y; poly[3].x = poly[4].x; poly[3].y = poly[2].y; dc.DrawPolygon(6, poly, x, y); // smooth color transition like firefox wxColour borderMediumColour( (m_BorderColour1.Red() + m_BorderColour2.Red()) /2 , (m_BorderColour1.Green() + m_BorderColour2.Green()) /2 , (m_BorderColour1.Blue() + m_BorderColour2.Blue()) /2 ); wxPen mypen3(borderMediumColour, 1, wxPENSTYLE_SOLID); dc.SetPen(mypen3); dc.DrawLines(2, &poly[1], x, y - 1); // between 1 and 2 dc.DrawLines(2, &poly[4], x, y - 1); // between 4 and 5 } if (m_Cells) { // draw container's contents: for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) { // optimize drawing: don't render off-screen content: if ((ylocal + cell->GetPosY() <= view_y2) && (ylocal + cell->GetPosY() + cell->GetHeight() > view_y1)) { // the cell is visible, draw it: UpdateRenderingStatePre(info, cell); cell->Draw(dc, xlocal, ylocal, view_y1, view_y2, info); UpdateRenderingStatePost(info, cell); } else { // the cell is off-screen, proceed with font+color+etc. // changes only: cell->DrawInvisible(dc, xlocal, ylocal, info); } } } }
/** * Performs ray/box intersection. Returns true if the ray * intersects the box, and the hit time for the entry/exit * in tmin/tmax respectively. */ bool AABB::intersect(const Ray& ray, float& tmin, float& tmax) const { float t0 = ray.minT; float t1 = ray.maxT; // Loop over the three axes and compute the hit time for the // two axis-aligned bounding box planes in each, decreasing the // parametric range of the ray until start>end time, which means // the ray missed the box, or until we finish which means there // is an intersection. for (int i = 0; i < 3; i++) { float invDir = 1.0f / ray.dir(i); float tNear = (mMin(i) - ray.orig(i)) * invDir; float tFar = (mMax(i) - ray.orig(i)) * invDir; if (tNear > tFar) swap(tNear,tFar); if (tNear > t0) t0 = tNear; if (tFar < t1) t1 = tFar; if (t0 > t1) return false; } tmin = t0; tmax = t1; return true; }
void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2, wxHtmlRenderingInfo& info) { #if 0 // useful for debugging dc.SetPen(*wxRED_PEN); dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width,m_Height); #endif int xlocal = x + m_PosX; int ylocal = y + m_PosY; if (m_UseBkColour) { wxBrush myb = wxBrush(m_BkColour, wxSOLID); int real_y1 = mMax(ylocal, view_y1); int real_y2 = mMin(ylocal + m_Height - 1, view_y2); dc.SetBrush(myb); dc.SetPen(*wxTRANSPARENT_PEN); dc.DrawRectangle(xlocal, real_y1, m_Width, real_y2 - real_y1 + 1); } if (m_UseBorder) { wxPen mypen1(m_BorderColour1, 1, wxSOLID); wxPen mypen2(m_BorderColour2, 1, wxSOLID); dc.SetPen(mypen1); dc.DrawLine(xlocal, ylocal, xlocal, ylocal + m_Height - 1); dc.DrawLine(xlocal, ylocal, xlocal + m_Width, ylocal); dc.SetPen(mypen2); dc.DrawLine(xlocal + m_Width - 1, ylocal, xlocal + m_Width - 1, ylocal + m_Height - 1); dc.DrawLine(xlocal, ylocal + m_Height - 1, xlocal + m_Width, ylocal + m_Height - 1); } if (m_Cells) { // draw container's contents: for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) { // optimize drawing: don't render off-screen content: if ((ylocal + cell->GetPosY() <= view_y2) && (ylocal + cell->GetPosY() + cell->GetHeight() > view_y1)) { // the cell is visible, draw it: UpdateRenderingStatePre(info, cell); cell->Draw(dc, xlocal, ylocal, view_y1, view_y2, info); UpdateRenderingStatePost(info, cell); } else { // the cell is off-screen, proceed with font+color+etc. // changes only: cell->DrawInvisible(dc, xlocal, ylocal, info); } } } }