graphics_context::graphics_context(const i_surface& aSurface, const font& aDefaultFont) :
iSurface(aSurface),
iNativeGraphicsContext(aSurface.native_surface().create_graphics_context()),
iUnitsContext(*this),
iDefaultFont(aDefaultFont),
iOrigin(0, 0),
iExtents(aSurface.extents()),
iDrawingGlyphs(0)
{
}
rect surface_manager::desktop_rect(const i_surface& aSurface) const
{
#ifdef WIN32
HMONITOR monitor = MonitorFromWindow(reinterpret_cast<HWND>(aSurface.native_surface().native_handle()), MONITOR_DEFAULTTONEAREST);
MONITORINFOEX mi;
mi.cbSize = sizeof(mi);
GetMonitorInfo(monitor, &mi);
return basic_rect<LONG>{ basic_point<LONG>{ mi.rcWork.left, mi.rcWork.top }, basic_size<LONG>{ mi.rcWork.right - mi.rcWork.left, mi.rcWork.bottom - mi.rcWork.top } };
#else
/* todo */
rect rectSurface{ aSurface.surface_position(), aSurface.surface_size() };
std::multimap<double, uint32_t> matches;
for (uint32_t i = 0; i < display_count(); ++i)
{
rect rectDisplay = desktop_rect(i);
rect rectIntersection = rectDisplay.intersection(rectSurface);
if (!rectIntersection.empty())
matches[rectIntersection.width() * rectIntersection.height()] = i;
}
if (matches.empty())
return desktop_rect(0);
return desktop_rect(matches.rbegin()->second);
#endif
}
void surface_manager::remove_surface(i_surface& aSurface)
{
auto existingSurface = iSurfaces.find(&aSurface);
if (existingSurface != iSurfaces.end())
{
for (auto s = iSurfaces.begin(); s != iSurfaces.end();)
{
if (aSurface.is_owner_of(**s))
{
auto& childSurface = **s;
iSurfaces.erase(s);
childSurface.close();
s = iSurfaces.begin();
}
else
++s;
}
iSurfaces.erase(existingSurface);
}
}
