Es++ Sample: SphereWithColorEyeLightPositioner |
/****************************************************************************** * * Copyright (c) 2017 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer. * * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * * SphereWithColorEyeLightPositioner.cpp * *****************************************************************************/ // #include <es++/opengl/OpenGLApplication.h> #include <es++/opengl/OpenGLMainView.h> #include <es++/opengl/OpenGLView.h> #include <es++/opengl/OpenGLGC.h> #include <es++/opengl/OpenGLLight.h> #include <es++/opengl/OpenGLMaterial.h> #include <es++/opengl/OpenGLSphere.h> #include <es++/opengl/OpenGLGeometry.h> #include <es++/gtkmm-3.0/ColorEyeLightPositioner.h> using namespace Gtk; namespace Es { class MainView :public Es::OpenGLMainView { private: /////////////////////////////////////////////////////// //Inner classes start. class SimpleView :public Es::OpenGLView { private: OpenGLGC gc; SmartPtr<OpenGLQuadric> quadric; SmartPtr<OpenGLSphere> sphere; Es::ColorEyeLightPositioner* positioner; public: SimpleView() :OpenGLView() { } virtual void display() { setViewPort(); if (positioner) { gc.frustum(1 , -1 , -1 , 1 , 1 , 10); gc.clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); gc.loadIdentity(); gc.matrixMode(GL_MODELVIEW); gc.clearColor(0.0, 1.0, 1.0, 1.0); gc.translate(0.0f, 0.0f, 0.0f); double eyeX, eyeY, eyeZ; positioner->get_eye_position(eyeX, eyeY, eyeZ); gc.lookAt(eyeX, eyeY, eyeZ, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0); gc.clearColor(0.0, 0.0, 0.0, 1.0); gc.enable(GL_CULL_FACE); gc.enable(GL_LIGHTING); OpenGLLight light(GL_LIGHT0); double lightX, lightY, lightZ; positioner->get_light_position(lightX, lightY, lightZ); light.position(lightX, lightY, lightZ, 1.0f); double r, g, b; positioner->get_color_position(r, g, b); OpenGLMaterial material(GL_FRONT); material.diffuse((GLfloat)r, (GLfloat)g, (GLfloat)b, 1.0f); material.specular(1.0f, 1.0f, 1.0f, 1.0f); material.shininess(100.0); sphere-> draw(1, 50, 50); } } virtual void resize(int w, int h) { if (w == 0 || h == 0) { return; } gc.matrixMode(GL_PROJECTION); gc.loadIdentity(); gc.perspective(16.0, (double)w / (double)h, 0.5, 40.0); gc.matrixMode(GL_MODELVIEW); } virtual void initialize() { gc.enable(GL_DEPTH_TEST); quadric = new OpenGLQuadric(); quadric -> drawStyle(GLU_FILL); quadric -> normals(GLU_SMOOTH); sphere = new OpenGLSphere(quadric); } void set_positioner(Es::ColorEyeLightPositioner* apositioner) { positioner = apositioner; } }; // Inner classes end. /////////////////////////////////////////////////////// Es::HorizontalLayout horiz_layout; Es::VerticalLayout control_pane; SimpleView simple_view; Es::ColorEyeLightPositioner positioner; public: ////////////////////////////////////////////// //Constructor // MainView(Es::OpenGLApplication& applet, std::string& name, Es::Args& args) :OpenGLMainView(applet, name, args) { int w = (int)args.get(XmNwidth); int h = (int)args.get(XmNheight); Es::MainLayout& main_layout = get_main_layout(); main_layout.pack_start(horiz_layout); int pwidth = positioner.get_preferred_width(); horiz_layout.pack_start(simple_view); horiz_layout.pack_start(positioner, Gtk::PACK_SHRINK); simple_view.set_positioner(&positioner); simple_view.set_size_request(w - pwidth-4, h); positioner.set_size_request(pwidth, h); positioner.set_color_range(0.0, 1.0); positioner.set_eye_range(-30.0, 30.0); positioner.set_light_range(-20.0, 20.0); positioner.set_color_position(180.0, 0.0, 160.0); positioner.set_eye_position(-20.0, 4.0, 30.0); positioner.set_light_position(-5.0, 18.0, 12.0); OpenGLContext* context = applet.getOpenGLContext(); simple_view.set_opengl_context(context); show_all_children(); } void render() { simple_view.render(); } }; } int main(int argc, char** argv) { Es::Environment env; try { std::string name = argv[0]; Es::OpenGLApplication applet(argc, argv); Es::Args args; args.set(XmNx, 20); args.set(XmNy, 40); args.set(XmNwidth, 600); args.set(XmNheight, 400); Es::MainView mainv(applet, name, args); mainv.show(); applet.run(mainv, 40); } catch (Es::Exception& ex) { caught(ex); } catch (...) { printf("Get exception \n"); } return 0; }