void ImageResource::RenderPreview(wxPaintDC & dc, wxPanel & previewPanel, gd::Project & project)
{
wxLogNull noLog; //We take care of errors.
wxSize size = previewPanel.GetSize();
//Checkerboard background
dc.SetBrush(gd::CommonBitmapProvider::Get()->transparentBg);
dc.DrawRectangle(0,0, size.GetWidth(), size.GetHeight());
wxString fullFilename = GetAbsoluteFile(project);
if ( !wxFile::Exists(fullFilename) )
return;
wxBitmap bmp( fullFilename, wxBITMAP_TYPE_ANY);
if ( bmp.GetWidth() != 0 && bmp.GetHeight() != 0 && (bmp.GetWidth() > previewPanel.GetSize().x || bmp.GetHeight() > previewPanel.GetSize().y) )
{
//Rescale to fit in previewPanel
float xFactor = static_cast<float>(previewPanel.GetSize().x)/static_cast<float>(bmp.GetWidth());
float yFactor = static_cast<float>(previewPanel.GetSize().y)/static_cast<float>(bmp.GetHeight());
float factor = std::min(xFactor, yFactor);
wxImage image = bmp.ConvertToImage();
if ( bmp.GetWidth()*factor >= 5 && bmp.GetHeight()*factor >= 5)
bmp = wxBitmap(image.Scale(bmp.GetWidth()*factor, bmp.GetHeight()*factor));
}
//Display image in the center
if ( bmp.IsOk() )
dc.DrawBitmap(bmp,
(size.GetWidth() - bmp.GetWidth()) / 2,
(size.GetHeight() - bmp.GetHeight()) / 2,
true /* use mask */);
}
ExampleFrame(
wxApp& app,
wxWindow* parent,
const wxString& title,
ExampleInfoDisplay* info_disp,
wxGLContext* context)
: wxFrame(parent, wxID_ANY, title, wxDefaultPosition, wxDefaultSize)
, info_display(info_disp)
, main_panel(
new wxPanel(this, wxID_ANY, wxDefaultPosition, wxDefaultSize))
, gl_canvas(
new ExampleGLCanvas((wxEvtHandler*)this, (wxWindow*)main_panel))
, gl_context(context)
, frame_no(0)
, fps_frame_no(0)
, fps_time(0.0)
, prim_count(0.0)
, idle_call_count(0) {
assert(info_display);
assert(gl_canvas);
assert(gl_context);
wxBoxSizer* main_sizer = new wxBoxSizer(wxVERTICAL);
main_panel->SetClientSize(800, 600);
main_sizer->Add(main_panel, 1, wxEXPAND);
wxStatusBar* status_bar = new wxStatusBar(this);
main_sizer->Add(status_bar, 0, wxEXPAND);
wxBoxSizer* gl_sizer = new wxBoxSizer(wxVERTICAL);
gl_sizer->Add(gl_canvas, 1, wxEXPAND);
main_panel->SetSizer(gl_sizer);
SetSize(
main_panel->GetSize().GetWidth(),
main_panel->GetSize().GetHeight() +
status_bar->GetSize().GetHeight());
SetSizer(main_sizer);
Layout();
Show();
gl_context->SetCurrent(*gl_canvas);
// TODO: this won't work very well in "UNICODE" builds
oglplus::ExampleParams params(app.argc, (char**)app.argv);
example = oglplus::makeExample(params);
os_clock.reset();
HandleResize();
Connect(wxEVT_CLOSE_WINDOW, wxCloseEventHandler(ExampleFrame::OnClose));
Connect(wxEVT_MOTION, wxMouseEventHandler(ExampleFrame::OnMouseEvent));
Connect(wxEVT_SIZE, wxSizeEventHandler(ExampleFrame::OnResize));
SetExtraStyle(wxWS_EX_PROCESS_IDLE);
wxIdleEvent::SetMode(wxIDLE_PROCESS_SPECIFIED);
Connect(wxEVT_IDLE, wxIdleEventHandler(ExampleFrame::OnIdle));
}
