| Geant4 Cross Reference |
1 // Copyright (C) 2010, Guy Barrand. All rights reserved.
2 // See the file tools.license for terms.
3
4 #ifndef toolx_Windows_zb_viewer
5 #define toolx_Windows_zb_viewer
6
7 #include "session"
8 #include "window"
9
10 #include "pixwin"
11 #include <tools/sg/zb_viewer>
12
13 // disable the warning about the usage of "this" in the constructor.
14 #pragma warning(disable:4355)
15
16 namespace toolx {
17 namespace Windows {
18
19 class zb_viewer : public window, protected pixwin, public tools::sg::zb_viewer {
20 typedef window parent_window;
21 typedef pixwin parent_render_area;
22 typedef tools::sg::zb_viewer parent_viewer;
23 protected:
24 virtual void paint() {
25 //parent_viewer::m_out << "toolx::Windows::zb_viewer::paint " << parent_viewer::m_ww << " " << parent_viewer::m_wh << std::endl;
26 if(!render(get_bgras,false)) return;
27 HDC hDC = ::GetDC(parent_render_area::m_hwnd);
28 HDC bitmap_DC = ::CreateCompatibleDC(hDC);
29 HBITMAP bitmap = ::CreateBitmap(parent_viewer::m_ww,parent_viewer::m_wh, 1, 32, tools::vec_data(m_out_buffer));
30 HBITMAP old_bitmap = (HBITMAP)::SelectObject(bitmap_DC, bitmap);
31 ::BitBlt(hDC,0,0,parent_viewer::m_ww,parent_viewer::m_wh,bitmap_DC,0,0,SRCCOPY);
32 ::SelectObject(bitmap_DC, old_bitmap);
33 ::DeleteObject(bitmap);
34 ::DeleteDC(bitmap_DC);
35 ::ReleaseDC(parent_render_area::m_hwnd,hDC);
36 ::ValidateRect(parent_render_area::m_hwnd,NULL);
37 m_out_buffer.clear();
38 }
39 virtual void resize(unsigned int a_w,unsigned int a_h){ //NOTE: it is not called at startup.
40 //parent_viewer::m_out << "toolx::Windows::zb_viewer::resize " << a_w << " " << a_h << std::endl;
41 set_size(a_w,a_h);
42 }
43 public:
44 virtual void close() {}
45 public:
46 zb_viewer(session& a_session,
47 int a_x = 0,int a_y = 0,
48 unsigned int a_width = 500,unsigned int a_height = 500,
49 const std::string& a_title = "")
50 :parent_window(a_title.c_str(),a_x,a_y,a_width,a_height)
51 ,parent_render_area(parent_window::m_hwnd,a_width,a_height)
52 ,parent_viewer(a_session.out(),a_width,a_height)
53 ,m_session(a_session)
54 {
55 parent_window::set_focus_hwnd(parent_render_area::m_hwnd);
56 }
57 virtual ~zb_viewer() {}
58 protected:
59 zb_viewer(const zb_viewer& a_from)
60 :parent_window(a_from)
61 ,parent_render_area(a_from)
62 ,parent_viewer(a_from)
63 ,m_session(a_from.m_session)
64 {}
65 zb_viewer& operator=(const zb_viewer& a_from){
66 parent_window::operator=(a_from);
67 return *this;
68 }
69 public:
70 bool has_window() const {return parent_window::m_hwnd?true:false;} //for SWIG
71
72 HWND window() const {return parent_window::m_hwnd;}
73
74 bool show() {
75 if(!parent_window::m_hwnd) return false;
76 m_session.show_window(parent_window::m_hwnd);
77 return true;
78 }
79
80 void win_render() {parent_render_area::wm_paint();}
81 void set_device_interactor(tools::sg::device_interactor* a_interactor) { //we do not have ownership.
82 parent_render_area::set_device_interactor(a_interactor);
83 }
84 protected:
85 session& m_session;
86 };
87
88 }}
89
90
91 #endif