Gabriele Cosmo
104 lines
2.8 KiB
Plaintext
104 lines
2.8 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 tools_sg_zb_viewer
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#define tools_sg_zb_viewer
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#include "zb_action"
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#include "viewer"
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namespace tools {
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namespace sg {
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class zb_viewer : public viewer {
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TOOLS_HEADER(zb_viewer,tools::sg::zb_viewer,viewer)
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public:
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zb_viewer(std::ostream& a_out,unsigned int a_width,unsigned int a_height)
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:parent(a_out,a_width,a_height)
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,m_mgr_gra()
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,m_out_buffer_what(get_rgbs)
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{}
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virtual ~zb_viewer(){
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//WARNING : nodes may refer m_mgr_gra (to handle gstos/texs), then
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// we have to delete them first.
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m_sg.clear();
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}
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public:
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zb_viewer(const zb_viewer& a_from)
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:parent(a_from)
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,m_mgr_gra(a_from.m_mgr_gra)
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,m_out_buffer_what(get_rgbs)
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{}
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zb_viewer& operator=(const zb_viewer& a_from){
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parent::operator=(a_from);
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m_mgr_gra = a_from.m_mgr_gra;
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m_out_buffer_what = get_rgbs;
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m_out_buffer.clear();
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return *this;
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}
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public:
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enum get_what {
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get_rgbs = 0,
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get_rgbas,
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get_bgras
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};
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bool render(get_what a_what,bool a_top_to_bottom) {
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m_out_buffer.clear();
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if(!m_ww) return false;
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if(!m_wh) return false;
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zb_action action(m_mgr_gra,m_out,m_ww,m_wh);
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action.clear_color_buffer(m_clear_color.r(),m_clear_color.g(),m_clear_color.b(),m_clear_color.a());
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action.clear_depth_buffer();
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action.set_do_transparency(false);
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action.set_have_to_do_transparency(false);
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m_sg.render(action);
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if(!action.end()) { //check that matrices stack are ok.
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m_out << "tools::sg::zb_viewer: bad zb_action end." << std::endl;
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return false;
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} else {
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if(action.have_to_do_transparency()) {
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action.set_do_transparency(true);
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m_sg.render(action);
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if(!action.end()) { //check that matrices stack are ok.
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m_out << "tools::sg::zb_viewer: bad zb_action end." << std::endl;
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return false;
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}
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}
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}
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m_out_buffer_what = a_what;
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bool status = false;
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switch(a_what) {
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case get_rgbs:
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status = action.get_rgbs(a_top_to_bottom,m_out_buffer);
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break;
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case get_rgbas:
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status = action.get_rgbas(a_top_to_bottom,m_out_buffer);
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break;
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case get_bgras:
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status = action.get_bgras(a_top_to_bottom,m_out_buffer);
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break;
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}\
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if(!status) {
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m_out << "tools::sg::zb_viewer::render() : can't get rgb image." << std::endl;
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m_out_buffer.clear();
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return false;
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}
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/*m_out << "size " << m_out_buffer.size() << std::endl;*/
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return true;
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}
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const std::vector<unsigned char>& out_buffer() const {return m_out_buffer;}
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void out_buffer_clear() {m_out_buffer.clear();}
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protected:
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zb_manager m_mgr_gra;
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get_what m_out_buffer_what;
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std::vector<unsigned char> m_out_buffer;
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};
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}}
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#endif
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