Gdiplus::RectF Sprite::GetAbsRect()
{
Sprite *sp = m_parent;
Gdiplus::RectF rcSelf = GetRect();
Gdiplus::RectF rcParent;
while(sp)
{
rcParent = sp->GetRect();
rcSelf.Offset(rcParent.X, rcParent.Y);
sp = sp->m_parent;
}
return rcSelf;
}
void Sprite::Invalidate()
{
// 0指针访问 不挂是因为x64系统一个bug 记得打开调试中的Win32异常断点
HostWindow *wnd = GetHostWindow();
if (wnd)
{
RECT rc;
Gdiplus::RectF rf = GetAbsRect();
rc.left = (LONG)(rf.GetLeft() - 0.5f);
rc.top = (LONG)(rf.GetTop() - 0.5f); // TODO FIXME 这个值是试出来的 不知其所以然
rc.right = (LONG)(rf.GetRight() + 1.5f); // 缩小窗口TabCtrl会有拖影 这里改成2 就可以消除拖影现象
rc.bottom = (LONG)(rf.GetBottom() + 1.5f); // 很诡异 可能是因为GdiPlus认为x取大的 width也取大的
::InvalidateRect(wnd->GetHWND(), &rc, TRUE);
}
}
void VGraphicPath::_ComputeBounds()
{
if (fComputeBoundsAccurate)
{
if (fPathMin == GP_BOUNDS_MIN_DEFAULT
||
fPathMax == GP_BOUNDS_MAX_DEFAULT)
fBounds = VRect(0,0,0,0);
else
fBounds.SetCoords( (GReal)fPathMin.x,
(GReal)fPathMin.y,
(GReal)(fPathMax.x-fPathMin.x),
(GReal)(fPathMax.y-fPathMin.y));
}
else
{
#if ENABLE_D2D
if (fPathD2D != NULL)
{
if (fGeomSink == NULL)
{
D2D1_RECT_F bounds;
fPathD2D->GetBounds( NULL, &bounds);
fBounds.SetCoords( bounds.left, bounds.top, bounds.right-bounds.left, bounds.bottom-bounds.top);
return;
}
}
#endif
#if !GRAPHIC_MIXED_GDIPLUS_D2D
if (!VWinD2DGraphicContext::IsAvailable())
{
#endif
Gdiplus::RectF bounds;
fPath->GetBounds( &bounds);
fBounds = VRect ( bounds.GetLeft(), bounds.GetTop(), bounds.GetRight()-bounds.GetLeft(), bounds.GetBottom()-bounds.GetTop());
#if !GRAPHIC_MIXED_GDIPLUS_D2D
}
#endif
}
}
// http://blog.csdn.net/magic_feng/article/details/6618206
Sprite * Sprite::DispatchMouseEvent(MouseEvent *event)
{
std::stack<Sprite *> stack;
std::stack<Sprite *> reverse;
stack.push(this);
Sprite *sp = NULL;
while(!stack.empty())
{
sp = stack.top();
stack.pop();
reverse.push(sp); // visit in reversed order.
Sprite *sp2 = sp->m_lastChild;
while (sp2)
{
stack.push(sp2);
sp2 = sp2->m_prevSibling;
}
}
while (!reverse.empty())
{
sp = reverse.top();
reverse.pop();
Gdiplus::RectF rc = sp->GetAbsRect();
//LOG("HitTest:"<< rc.X << "," <<rc.Y << "," << rc.Width << "," << rc.Height);
if (rc.Contains(event->x, event->y))
{
MouseEvent e2 = *event;
e2.x -= rc.X;
e2.y -= rc.Y;
sp->OnMouseEvent(g_L, &e2);
}
}
return NULL;
}
void Sprite::OnDraw( Gdiplus::Graphics &g, const Gdiplus::RectF &rcDirty )
{
if (!m_bVisible)
{
return; // 子节点也不会被绘制
}
// 前序遍历 让父节点先绘制
//Gdiplus::RectF rc = GetRect();
//if (10 == rc.Width && 10 == rc.Height)
//{
// LOGW(<<L"Orignal Size 10 10"); // 检查下有没有多余的重绘
//}
if (m_bClipChildren)
{
Gdiplus::RectF rcClip = GetRect();
rcClip.X = 0.0f;
rcClip.Y = 0.0f;
g.SetClip(rcClip);
}
PaintEvent ev;
ev.graphics = &g;
ev.rcDirty = rcDirty;
SendNotify(ePaint, &ev);
//this->ClientDraw(g, rcDirty);
Sprite *sp = m_firstChild;
while(sp)
{
// 如果需要重绘部分矩形和sp相交则重画它 否则不重画
// 这里还有个问题就是 父矩形必须比子矩形要大 否则可能父的相交不到 而子的相交的到
// 可能要强制这一原理 类似于浏览器 会撑大
Gdiplus::RectF rc2 = sp->GetRect();
Gdiplus::RectF rcAbs = sp->GetAbsRect();
rcAbs.X -= 0.5f; // FIXME 有时无法得到重画导致边界1像素消失
rcAbs.Y -= 0.5f;
rcAbs.Width += 1.0f;
rcAbs.Height += 1.0f;
if (rcDirty.IntersectsWith(rcAbs))
{
g.TranslateTransform(rc2.X, rc2.Y);
sp->OnDraw(g, rcDirty);
g.TranslateTransform(-rc2.X, -rc2.Y);
}
sp = sp->m_nextSibling;
}
if (m_bClipChildren)
{
g.ResetClip();
}
}
void Sprite::SetRect( Gdiplus::RectF rect )
{
// 检查下宽高是否小于0 是则设为0 然后0宽或0高要在OnDraw这些里面特殊处理一下
rect.Width = max(0.0f, rect.Width);
rect.Height = max(0.0f, rect.Height);
if (!m_rect.Equals(rect))
{
Gdiplus::RectF rcOld = m_rect;
// TODO OnMove
Invalidate(); // 旧矩形
m_rect = rect;
Invalidate(); // 新矩形
// 原先回掉的顺序错了 导致在OnSize里面GetRect和OnSize的参数不一样 诡异错误
if (rect.Width != rcOld.Width || rect.Height != rcOld.Height)
{
// OnSize(rect.Width, rect.Height);
Gdiplus::SizeF size;
rect.GetSize(&size);
SendNotify(eSizeChanged, &size);
}
}
}
void CPHTMLIFrameElement::PlaceControls(HWND hWndParent, CHTMFlowBlockContext* /*pC*/)
{
ASSERT(0);
#if 0
CLHTMLIFrameElement* pElement = static_cast<CLHTMLIFrameElement*>(m_pNode);
if (m_pBox)
{
Gdiplus::RectF rcf = m_pBox->GetAbsInnerRect();
CRect rc((int)rcf.X, (int)rcf.Y, (int)rcf.GetRight(), (int)rcf.GetBottom());
if (pElement->m_pFrameContent == NULL)
{
CComObject<CLHTMLFrameContent>::CreateInstance(&pElement->m_pFrameContent);
pElement->m_pFrameContent->AddRef();
// TODO
CPElement* pParent = this;
while (pParent)
{
CComQIPtr<IOleInPlaceFrame> frame = static_cast<ILViewNode*>(pParent);
if (frame)
{
pElement->m_pFrameContent->m_pInPlaceFrame = frame;
break;
}
pParent = pParent->m_parent;
}
pElement->m_pFrameContent->m_hWnd = hWndParent;
pElement->Load();
}
if (pElement->m_pFrameContent)
{
if (pElement->m_pFrameContent->m_spOleObject)
{
if (pElement->m_pFrameContent->m_pViewSite == NULL)
{
#if 0
pElement->m_pFrameContent->m_spOleObject->DoVerb(OLEIVERB_SHOW, NULL, pElement->m_pFrameContent, 0, hWndParent, &rc);
#endif
}
else
{
pElement->m_pFrameContent->m_pViewSite->SetRect(rc);
}
}
}
}
if (pElement->m_pFrameContent)
{
if (pElement->m_pFrameContent->m_pViewSite)
{
ASSERT(pElement->m_pFrameContent->m_pViewSite->m_pIOleDocView);
BOOL bShow = m_pBox != NULL;
pElement->m_pFrameContent->m_pViewSite->m_pIOleDocView->Show(bShow);
}
}
#endif
}