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
}
}
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);
}
}