support retina display

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74291 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor 2013-06-25 15:11:18 +00:00
parent ead8d60c3d
commit a4f6fe43c3

View File

@ -211,13 +211,14 @@ void SurfaceImpl::Init(SurfaceID hdc_, WindowID) {
hdc = (wxDC*)hdc_;
}
void SurfaceImpl::InitPixMap(int width, int height, Surface *WXUNUSED(surface_), WindowID) {
void SurfaceImpl::InitPixMap(int width, int height, Surface *WXUNUSED(surface_), WindowID winid) {
Release();
hdc = new wxMemoryDC();
hdcOwned = true;
if (width < 1) width = 1;
if (height < 1) height = 1;
bitmap = new wxBitmap(width, height);
bitmap = new wxBitmap();
bitmap->CreateScaled(width, height,wxBITMAP_SCREEN_DEPTH,((wxWindow*)winid)->GetContentScaleFactor());
((wxMemoryDC*)hdc)->SelectObject(*bitmap);
}