Gabriele Cosmo
109 lines
3.2 KiB
Plaintext
109 lines
3.2 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef toolx_Windows_zb_viewer
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#define toolx_Windows_zb_viewer
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#include "session"
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#include "window"
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#include "pixwin"
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#include <tools/sg/zb_viewer>
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// disable the warning about the usage of "this" in the constructor.
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#pragma warning(disable:4355)
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namespace toolx {
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namespace Windows {
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class zb_viewer : public window, protected pixwin, public tools::sg::zb_viewer {
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typedef window parent_window;
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typedef pixwin parent_render_area;
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typedef tools::sg::zb_viewer parent_viewer;
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protected:
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virtual void paint() {
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if(!render(get_bgras,false)) return;
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HDC hDC = ::GetDC(parent_render_area::m_hwnd);
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HDC bitmap_DC = ::CreateCompatibleDC(hDC);
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HBITMAP bitmap = ::CreateBitmap(parent_viewer::m_ww,parent_viewer::m_wh, 1, 32, m_out_buffer.data());
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HBITMAP old_bitmap = (HBITMAP)::SelectObject(bitmap_DC, bitmap);
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::BitBlt(hDC,0,0,parent_viewer::m_ww,parent_viewer::m_wh,bitmap_DC,0,0,SRCCOPY);
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::SelectObject(bitmap_DC, old_bitmap);
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::DeleteObject(bitmap);
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::DeleteDC(bitmap_DC);
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::ReleaseDC(parent_render_area::m_hwnd,hDC);
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::ValidateRect(parent_render_area::m_hwnd,NULL);
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m_out_buffer.clear();
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}
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virtual void resize(unsigned int a_w,unsigned int a_h){ //NOTE: it is not called at startup.
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set_size(a_w,a_h);
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}
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public:
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virtual void close() {}
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public:
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zb_viewer(session& a_session,
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int a_x = 0,int a_y = 0,
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unsigned int a_width = 500,unsigned int a_height = 500,
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const std::string& a_title = "")
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:parent_window(a_title.c_str(),a_x,a_y,a_width,a_height)
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,parent_render_area(parent_window::m_hwnd,a_width,a_height)
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,parent_viewer(a_session.out(),a_width,a_height)
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,m_session(a_session)
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{
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parent_window::set_focus_hwnd(parent_render_area::m_hwnd);
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}
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virtual ~zb_viewer() {}
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protected:
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zb_viewer(const zb_viewer& a_from)
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:parent_window(a_from)
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,parent_render_area(a_from)
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,parent_viewer(a_from)
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,m_session(a_from.m_session)
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{}
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zb_viewer& operator=(const zb_viewer& a_from){
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parent_window::operator=(a_from);
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return *this;
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}
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public:
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bool has_window() const {return parent_window::m_hwnd?true:false;} //for SWIG
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HWND window() const {return parent_window::m_hwnd;}
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bool show() {
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if(!parent_window::m_hwnd) return false;
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m_session.show_window(parent_window::m_hwnd);
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return true;
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}
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void win_render() {
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parent_render_area::wm_paint();
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m_session.sync();
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}
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void emit_win_render() {parent_render_area::post_WM_PAINT();}
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bool window_size(unsigned int& a_w,unsigned int& a_h) {
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if(!parent_render_area::m_hwnd) {a_w = 0;a_h = 0;return false;}
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RECT wrect;
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::GetWindowRect(parent_render_area::m_hwnd,&wrect);
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a_w = wrect.right-wrect.left;
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a_h = wrect.bottom-wrect.top;
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return true;
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}
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void render_area_size(unsigned int& a_w,unsigned int& a_h) {
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a_w = parent_viewer::width();
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a_h = parent_viewer::height();
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}
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void set_device_interactor(tools::sg::device_interactor* a_interactor) { //we do not have ownership.
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parent_render_area::set_device_interactor(a_interactor);
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}
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protected:
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session& m_session;
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};
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}}
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#endif
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