1082 lines
36 KiB
C
1082 lines
36 KiB
C
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// Copyright (c) 2018 GeometryFactory Sarl (France).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org).
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// You can redistribute it and/or modify it under the terms of the GNU
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// General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: GPL-3.0+
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//
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//
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// Author(s) : Guillaume Damiand <guillaume.damiand@liris.cnrs.fr>
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#ifndef CGAL_BASIC_VIEWER_QT_H
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#define CGAL_BASIC_VIEWER_QT_H
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#include <CGAL/license/GraphicsView.h>
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#include <iostream>
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#ifdef CGAL_USE_BASIC_VIEWER
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#include <QApplication>
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#include <QKeyEvent>
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#include <CGAL/Qt/qglviewer.h>
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#include <QKeyEvent>
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#include <QOpenGLFunctions>
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#include <QOpenGLVertexArrayObject>
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#include <QGLBuffer>
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#include <QOpenGLShaderProgram>
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#include <vector>
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#include <cstdlib>
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#include <CGAL/Buffer_for_vao.h>
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#include <CGAL/Qt/CreateOpenGLContext.h>
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#include <CGAL/Random.h>
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namespace CGAL
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{
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//------------------------------------------------------------------------------
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const char vertex_source_color[] =
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{
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"#version 120 \n"
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"attribute highp vec4 vertex;\n"
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"attribute highp vec3 normal;\n"
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"attribute highp vec3 color;\n"
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"uniform highp mat4 mvp_matrix;\n"
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"uniform highp mat4 mv_matrix; \n"
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"varying highp vec4 fP; \n"
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"varying highp vec3 fN; \n"
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"varying highp vec4 fColor; \n"
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"uniform highp float point_size; \n"
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"void main(void)\n"
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"{\n"
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" fP = mv_matrix * vertex; \n"
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" fN = mat3(mv_matrix)* normal; \n"
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" fColor = vec4(color, 1.0); \n"
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" gl_PointSize = point_size;\n"
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" gl_Position = mvp_matrix * vertex;\n"
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"}"
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};
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const char fragment_source_color[] =
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{
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"#version 120 \n"
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"varying highp vec4 fP; \n"
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"varying highp vec3 fN; \n"
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"varying highp vec4 fColor; \n"
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"uniform vec4 light_pos; \n"
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"uniform vec4 light_diff; \n"
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"uniform vec4 light_spec; \n"
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"uniform vec4 light_amb; \n"
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"uniform float spec_power ; \n"
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"void main(void) { \n"
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" vec3 L = light_pos.xyz - fP.xyz; \n"
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" vec3 V = -fP.xyz; \n"
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" vec3 N = normalize(fN); \n"
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" L = normalize(L); \n"
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" V = normalize(V); \n"
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" vec3 R = reflect(-L, N); \n"
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" vec4 diffuse = max(dot(N,L), 0.0) * light_diff * fColor; \n"
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" vec4 specular = pow(max(dot(R,V), 0.0), spec_power) * light_spec; \n"
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"gl_FragColor = light_amb*fColor + diffuse ; \n"
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"} \n"
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"\n"
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};
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const char vertex_source_p_l[] =
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{
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"#version 120 \n"
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"attribute highp vec4 vertex;\n"
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"attribute highp vec3 color;\n"
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"uniform highp mat4 mvp_matrix;\n"
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"varying highp vec4 fColor; \n"
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"uniform highp float point_size; \n"
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"void main(void)\n"
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"{\n"
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" gl_PointSize = point_size;\n"
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" fColor = vec4(color, 1.0); \n"
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" gl_Position = mvp_matrix * vertex;\n"
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"}"
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};
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const char fragment_source_p_l[] =
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{
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"#version 120 \n"
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"varying highp vec4 fColor; \n"
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"void main(void) { \n"
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"gl_FragColor = fColor; \n"
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"} \n"
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"\n"
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};
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//------------------------------------------------------------------------------
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inline CGAL::Color get_random_color(CGAL::Random& random)
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{
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CGAL::Color res;
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do
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{
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res=CGAL::Color(random.get_int(0,256),
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random.get_int(0,256),
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random.get_int(0,256));
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}
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while(res.red()==255 && res.green()==255 && res.blue()==255);
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return res;
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}
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//------------------------------------------------------------------------------
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class Basic_viewer_qt : public CGAL::QGLViewer
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{
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typedef CGAL::Exact_predicates_inexact_constructions_kernel Local_kernel;
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typedef Local_kernel::Point_3 Local_point;
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typedef Local_kernel::Vector_3 Local_vector;
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public:
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// Constructor/Destructor
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Basic_viewer_qt(QWidget* parent,
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const char* title="",
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bool draw_vertices=false,
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bool draw_edges=true,
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bool draw_faces=true,
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bool use_mono_color=false,
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bool inverse_normal=false) :
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CGAL::QGLViewer(parent),
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m_draw_vertices(draw_vertices),
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m_draw_edges(draw_edges),
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m_draw_faces(draw_faces),
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m_flatShading(true),
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m_use_mono_color(use_mono_color),
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m_inverse_normal(inverse_normal),
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m_size_points(7.),
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m_size_edges(3.1),
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m_vertices_mono_color(200, 60, 60),
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m_edges_mono_color(0, 0, 0),
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m_faces_mono_color(60, 60, 200),
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m_ambient_color(0.6f, 0.5f, 0.5f, 0.5f),
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m_are_buffers_initialized(false),
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m_buffer_for_mono_points(&arrays[POS_MONO_POINTS],
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NULL,
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&m_bounding_box,
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NULL, NULL, NULL),
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m_buffer_for_colored_points(&arrays[POS_COLORED_POINTS],
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NULL,
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&m_bounding_box,
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&arrays[COLOR_POINTS],
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NULL, NULL),
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m_buffer_for_mono_segments(&arrays[POS_MONO_SEGMENTS],
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NULL,
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&m_bounding_box,
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NULL, NULL, NULL),
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m_buffer_for_colored_segments(&arrays[POS_COLORED_SEGMENTS],
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NULL,
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&m_bounding_box,
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&arrays[COLOR_SEGMENTS],
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NULL, NULL),
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m_buffer_for_mono_faces(&arrays[POS_MONO_FACES],
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NULL,
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&m_bounding_box,
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NULL,
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&arrays[FLAT_NORMAL_MONO_FACES],
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&arrays[SMOOTH_NORMAL_MONO_FACES]),
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m_buffer_for_colored_faces(&arrays[POS_COLORED_FACES],
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NULL,
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&m_bounding_box,
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&arrays[COLOR_FACES],
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&arrays[FLAT_NORMAL_COLORED_FACES],
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&arrays[SMOOTH_NORMAL_COLORED_FACES])
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{
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if (title[0]==0)
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setWindowTitle("CGAL Basic Viewer");
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else
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setWindowTitle(title);
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resize(500, 450);
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}
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~Basic_viewer_qt()
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{
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for (unsigned int i=0; i<NB_VBO_BUFFERS; ++i)
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buffers[i].destroy();
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for (int i=0; i<NB_VAO_BUFFERS; ++i)
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vao[i].destroy();
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}
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void clear()
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{
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for (unsigned int i=0; i<LAST_INDEX; ++i)
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{ arrays[i].clear(); }
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m_bounding_box=CGAL::Bbox_3();
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}
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bool is_empty() const
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{
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return (m_buffer_for_mono_points.is_empty() &&
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m_buffer_for_colored_points.is_empty() &&
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m_buffer_for_mono_segments.is_empty() &&
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m_buffer_for_colored_segments.is_empty() &&
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m_buffer_for_mono_faces.is_empty() &&
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m_buffer_for_colored_faces.is_empty());
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}
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const CGAL::Bbox_3& bounding_box() const
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{ return m_bounding_box; }
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template<typename KPoint>
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void add_point(const KPoint& p)
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{ m_buffer_for_mono_points.add_point(p); }
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template<typename KPoint>
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void add_point(const KPoint& p, const CGAL::Color& acolor)
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{ m_buffer_for_colored_points.add_point(p, acolor); }
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template<typename KPoint>
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void add_segment(const KPoint& p1, const KPoint& p2)
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{ m_buffer_for_mono_segments.add_segment(p1, p2); }
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template<typename KPoint>
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void add_segment(const KPoint& p1, const KPoint& p2,
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const CGAL::Color& acolor)
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{ m_buffer_for_colored_segments.add_segment(p1, p2, acolor); }
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bool is_a_face_started() const
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{
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return m_buffer_for_mono_faces.is_a_face_started() ||
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m_buffer_for_colored_faces.is_a_face_started();
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}
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void face_begin()
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{
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if (is_a_face_started())
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{
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std::cerr<<"You cannot start a new face before to finish the previous one."<<std::endl;
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}
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else
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{ m_buffer_for_mono_faces.face_begin(); }
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}
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void face_begin(const CGAL::Color& acolor)
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{
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if (is_a_face_started())
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{
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std::cerr<<"You cannot start a new face before to finish the previous one."<<std::endl;
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}
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else
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{ m_buffer_for_colored_faces.face_begin(acolor); }
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}
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template<typename KPoint>
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bool add_point_in_face(const KPoint& kp)
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{
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if (m_buffer_for_mono_faces.is_a_face_started())
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{ return m_buffer_for_mono_faces.add_point_in_face(kp); }
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else if (m_buffer_for_colored_faces.is_a_face_started())
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{ return m_buffer_for_colored_faces.add_point_in_face(kp); }
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return false;
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}
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template<typename KPoint, typename KVector>
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bool add_point_in_face(const KPoint& kp, const KVector& p_normal)
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{
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if (m_buffer_for_mono_faces.is_a_face_started())
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{ return m_buffer_for_mono_faces.add_point_in_face(kp, p_normal); }
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else if (m_buffer_for_colored_faces.is_a_face_started())
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{ return m_buffer_for_colored_faces.add_point_in_face(kp, p_normal); }
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return false;
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}
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void face_end()
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{
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if (m_buffer_for_mono_faces.is_a_face_started())
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{ m_buffer_for_mono_faces.face_end(); }
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else if (m_buffer_for_colored_faces.is_a_face_started())
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{ return m_buffer_for_colored_faces.face_end(); }
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}
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protected:
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void compile_shaders()
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{
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rendering_program_face.removeAllShaders();
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rendering_program_p_l.removeAllShaders();
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// Create the buffers
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for (unsigned int i=0; i<NB_VBO_BUFFERS; ++i)
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{
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if(!buffers[i].isCreated() && !buffers[i].create())
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{ std::cerr<<"VBO Creation number "<<i<<" FAILED"<<std::endl; }
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}
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for (int i=0; i<NB_VAO_BUFFERS; ++i)
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{
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if(!vao[i].isCreated() && !vao[i].create())
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{ std::cerr<<"VAO Creation number "<<i<<" FAILED"<<std::endl; }
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}
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// Vertices and segments shader
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QOpenGLShader *vertex_shader_p_l = new QOpenGLShader(QOpenGLShader::Vertex);
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if(!vertex_shader_p_l->compileSourceCode(vertex_source_p_l))
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{ std::cerr<<"Compiling vertex source FAILED"<<std::endl; }
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QOpenGLShader *fragment_shader_p_l= new QOpenGLShader(QOpenGLShader::Fragment);
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if(!fragment_shader_p_l->compileSourceCode(fragment_source_p_l))
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{ std::cerr<<"Compiling fragmentsource FAILED"<<std::endl; }
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if(!rendering_program_p_l.addShader(vertex_shader_p_l))
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{ std::cerr<<"adding vertex shader FAILED"<<std::endl; }
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if(!rendering_program_p_l.addShader(fragment_shader_p_l))
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{ std::cerr<<"adding fragment shader FAILED"<<std::endl; }
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if(!rendering_program_p_l.link())
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{ std::cerr<<"linking Program FAILED"<<std::endl; }
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// Faces shader
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QOpenGLShader *vertex_shader_face = new QOpenGLShader(QOpenGLShader::Vertex);
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if(!vertex_shader_face->compileSourceCode(vertex_source_color))
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{ std::cerr<<"Compiling vertex source FAILED"<<std::endl; }
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QOpenGLShader *fragment_shader_face= new QOpenGLShader(QOpenGLShader::Fragment);
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||
|
|
if(!fragment_shader_face->compileSourceCode(fragment_source_color))
|
||
|
|
{ std::cerr<<"Compiling fragmentsource FAILED"<<std::endl; }
|
||
|
|
|
||
|
|
if(!rendering_program_face.addShader(vertex_shader_face))
|
||
|
|
{ std::cerr<<"adding vertex shader FAILED"<<std::endl; }
|
||
|
|
if(!rendering_program_face.addShader(fragment_shader_face))
|
||
|
|
{ std::cerr<<"adding fragment shader FAILED"<<std::endl; }
|
||
|
|
if(!rendering_program_face.link())
|
||
|
|
{ std::cerr<<"linking Program FAILED"<<std::endl; }
|
||
|
|
}
|
||
|
|
|
||
|
|
void initialize_buffers()
|
||
|
|
{
|
||
|
|
rendering_program_p_l.bind();
|
||
|
|
|
||
|
|
// 1) POINT SHADER
|
||
|
|
|
||
|
|
// 1.1) Mono points
|
||
|
|
vao[VAO_MONO_POINTS].bind();
|
||
|
|
|
||
|
|
unsigned int bufn = 0;
|
||
|
|
assert(bufn<NB_VBO_BUFFERS);
|
||
|
|
buffers[bufn].bind();
|
||
|
|
buffers[bufn].allocate(arrays[POS_MONO_POINTS].data(),
|
||
|
|
static_cast<int>(arrays[POS_MONO_POINTS].size()*sizeof(float)));
|
||
|
|
rendering_program_p_l.enableAttributeArray("vertex");
|
||
|
|
rendering_program_p_l.setAttributeBuffer("vertex",GL_FLOAT,0,3);
|
||
|
|
|
||
|
|
buffers[bufn].release();
|
||
|
|
|
||
|
|
rendering_program_p_l.disableAttributeArray("color");
|
||
|
|
|
||
|
|
vao[VAO_MONO_POINTS].release();
|
||
|
|
|
||
|
|
// 1.2) Color points
|
||
|
|
vao[VAO_COLORED_POINTS].bind();
|
||
|
|
|
||
|
|
++bufn;
|
||
|
|
assert(bufn<NB_VBO_BUFFERS);
|
||
|
|
buffers[bufn].bind();
|
||
|
|
buffers[bufn].allocate(arrays[POS_COLORED_POINTS].data(),
|
||
|
|
static_cast<int>(arrays[POS_COLORED_POINTS].size()*sizeof(float)));
|
||
|
|
rendering_program_p_l.enableAttributeArray("vertex");
|
||
|
|
rendering_program_p_l.setAttributeBuffer("vertex",GL_FLOAT,0,3);
|
||
|
|
buffers[bufn].release();
|
||
|
|
|
||
|
|
++bufn;
|
||
|
|
assert(bufn<NB_VBO_BUFFERS);
|
||
|
|
buffers[bufn].bind();
|
||
|
|
buffers[bufn].allocate(arrays[COLOR_POINTS].data(),
|
||
|
|
static_cast<int>(arrays[COLOR_POINTS].size()*sizeof(float)));
|
||
|
|
rendering_program_p_l.enableAttributeArray("color");
|
||
|
|
rendering_program_p_l.setAttributeBuffer("color",GL_FLOAT,0,3);
|
||
|
|
buffers[bufn].release();
|
||
|
|
|
||
|
|
vao[VAO_COLORED_POINTS].release();
|
||
|
|
|
||
|
|
// 2) SEGMENT SHADER
|
||
|
|
|
||
|
|
// 2.1) Mono segments
|
||
|
|
vao[VAO_MONO_SEGMENTS].bind();
|
||
|
|
|
||
|
|
++bufn;
|
||
|
|
assert(bufn<NB_VBO_BUFFERS);
|
||
|
|
buffers[bufn].bind();
|
||
|
|
buffers[bufn].allocate(arrays[POS_MONO_SEGMENTS].data(),
|
||
|
|
static_cast<int>(arrays[POS_MONO_SEGMENTS].size()*sizeof(float)));
|
||
|
|
rendering_program_p_l.enableAttributeArray("vertex");
|
||
|
|
rendering_program_p_l.setAttributeBuffer("vertex",GL_FLOAT,0,3);
|
||
|
|
|
||
|
|
buffers[bufn].release();
|
||
|
|
|
||
|
|
rendering_program_p_l.disableAttributeArray("color");
|
||
|
|
|
||
|
|
vao[VAO_MONO_SEGMENTS].release();
|
||
|
|
|
||
|
|
// 1.2) Color segments
|
||
|
|
vao[VAO_COLORED_SEGMENTS].bind();
|
||
|
|
|
||
|
|
++bufn;
|
||
|
|
assert(bufn<NB_VBO_BUFFERS);
|
||
|
|
buffers[bufn].bind();
|
||
|
|
buffers[bufn].allocate(arrays[POS_COLORED_SEGMENTS].data(),
|
||
|
|
static_cast<int>(arrays[POS_COLORED_SEGMENTS].size()*sizeof(float)));
|
||
|
|
rendering_program_p_l.enableAttributeArray("vertex");
|
||
|
|
rendering_program_p_l.setAttributeBuffer("vertex",GL_FLOAT,0,3);
|
||
|
|
|
||
|
|
buffers[bufn].release();
|
||
|
|
|
||
|
|
++bufn;
|
||
|
|
assert(bufn<NB_VBO_BUFFERS);
|
||
|
|
buffers[bufn].bind();
|
||
|
|
buffers[bufn].allocate(arrays[COLOR_SEGMENTS].data(),
|
||
|
|
static_cast<int>(arrays[COLOR_SEGMENTS].size()*sizeof(float)));
|
||
|
|
rendering_program_p_l.enableAttributeArray("color");
|
||
|
|
rendering_program_p_l.setAttributeBuffer("color",GL_FLOAT,0,3);
|
||
|
|
buffers[bufn].release();
|
||
|
|
|
||
|
|
vao[VAO_COLORED_SEGMENTS].release();
|
||
|
|
|
||
|
|
rendering_program_p_l.release();
|
||
|
|
|
||
|
|
// 3) FACE SHADER
|
||
|
|
rendering_program_face.bind();
|
||
|
|
|
||
|
|
// 3.1) Mono faces
|
||
|
|
vao[VAO_MONO_FACES].bind();
|
||
|
|
|
||
|
|
// 3.1.1) points of the mono faces
|
||
|
|
++bufn;
|
||
|
|
assert(bufn<NB_VBO_BUFFERS);
|
||
|
|
buffers[bufn].bind();
|
||
|
|
buffers[bufn].allocate(arrays[POS_MONO_FACES].data(),
|
||
|
|
static_cast<int>(arrays[POS_MONO_FACES].size()*sizeof(float)));
|
||
|
|
rendering_program_face.enableAttributeArray("vertex");
|
||
|
|
rendering_program_face.setAttributeBuffer("vertex",GL_FLOAT,0,3);
|
||
|
|
|
||
|
|
buffers[bufn].release();
|
||
|
|
|
||
|
|
// 3.1.2) normals of the mono faces
|
||
|
|
++bufn;
|
||
|
|
assert(bufn<NB_VBO_BUFFERS);
|
||
|
|
buffers[bufn].bind();
|
||
|
|
if (m_flatShading)
|
||
|
|
{
|
||
|
|
buffers[bufn].allocate(arrays[FLAT_NORMAL_MONO_FACES].data(),
|
||
|
|
static_cast<int>(arrays[FLAT_NORMAL_MONO_FACES].size()*
|
||
|
|
sizeof(float)));
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
buffers[bufn].allocate(arrays[SMOOTH_NORMAL_MONO_FACES].data(),
|
||
|
|
static_cast<int>(arrays[SMOOTH_NORMAL_MONO_FACES].size()*
|
||
|
|
sizeof(float)));
|
||
|
|
}
|
||
|
|
rendering_program_face.enableAttributeArray("normal");
|
||
|
|
rendering_program_face.setAttributeBuffer("normal",GL_FLOAT,0,3);
|
||
|
|
|
||
|
|
buffers[bufn].release();
|
||
|
|
|
||
|
|
// 3.1.3) color of the mono faces
|
||
|
|
rendering_program_face.disableAttributeArray("color");
|
||
|
|
vao[VAO_MONO_FACES].release();
|
||
|
|
|
||
|
|
// 3.2) Color faces
|
||
|
|
vao[VAO_COLORED_FACES].bind();
|
||
|
|
|
||
|
|
// 3.2.1) points of the color faces
|
||
|
|
++bufn;
|
||
|
|
assert(bufn<NB_VBO_BUFFERS);
|
||
|
|
buffers[bufn].bind();
|
||
|
|
buffers[bufn].allocate(arrays[POS_COLORED_FACES].data(),
|
||
|
|
static_cast<int>(arrays[POS_COLORED_FACES].size()*sizeof(float)));
|
||
|
|
rendering_program_face.enableAttributeArray("vertex");
|
||
|
|
rendering_program_face.setAttributeBuffer("vertex",GL_FLOAT,0,3);
|
||
|
|
|
||
|
|
buffers[bufn].release();
|
||
|
|
|
||
|
|
// 3.2.2) normals of the color faces
|
||
|
|
++bufn;
|
||
|
|
assert(bufn<NB_VBO_BUFFERS);
|
||
|
|
buffers[bufn].bind();
|
||
|
|
if (m_flatShading)
|
||
|
|
{
|
||
|
|
buffers[bufn].allocate(arrays[FLAT_NORMAL_COLORED_FACES].data(),
|
||
|
|
static_cast<int>(arrays[FLAT_NORMAL_COLORED_FACES].size()*
|
||
|
|
sizeof(float)));
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
buffers[bufn].allocate(arrays[SMOOTH_NORMAL_COLORED_FACES].data(),
|
||
|
|
static_cast<int>(arrays[SMOOTH_NORMAL_COLORED_FACES].size()*
|
||
|
|
sizeof(float)));
|
||
|
|
}
|
||
|
|
rendering_program_face.enableAttributeArray("normal");
|
||
|
|
rendering_program_face.setAttributeBuffer("normal",GL_FLOAT,0,3);
|
||
|
|
|
||
|
|
buffers[bufn].release();
|
||
|
|
|
||
|
|
// 3.2.3) colors of the faces
|
||
|
|
++bufn;
|
||
|
|
assert(bufn<NB_VBO_BUFFERS);
|
||
|
|
buffers[bufn].bind();
|
||
|
|
buffers[bufn].allocate(arrays[COLOR_FACES].data(),
|
||
|
|
static_cast<int>(arrays[COLOR_FACES].size()*sizeof(float)));
|
||
|
|
rendering_program_face.enableAttributeArray("color");
|
||
|
|
rendering_program_face.setAttributeBuffer("color",GL_FLOAT,0,3);
|
||
|
|
|
||
|
|
buffers[bufn].release();
|
||
|
|
|
||
|
|
vao[VAO_COLORED_FACES].release();
|
||
|
|
|
||
|
|
rendering_program_face.release();
|
||
|
|
|
||
|
|
m_are_buffers_initialized = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void attrib_buffers(CGAL::QGLViewer* viewer)
|
||
|
|
{
|
||
|
|
QMatrix4x4 mvpMatrix;
|
||
|
|
QMatrix4x4 mvMatrix;
|
||
|
|
double mat[16];
|
||
|
|
viewer->camera()->getModelViewProjectionMatrix(mat);
|
||
|
|
for(int i=0; i < 16; i++)
|
||
|
|
{
|
||
|
|
mvpMatrix.data()[i] = (float)mat[i];
|
||
|
|
}
|
||
|
|
viewer->camera()->getModelViewMatrix(mat);
|
||
|
|
for(int i=0; i < 16; i++)
|
||
|
|
{
|
||
|
|
mvMatrix.data()[i] = (float)mat[i];
|
||
|
|
}
|
||
|
|
// define material
|
||
|
|
QVector4D diffuse( 0.9f,
|
||
|
|
0.9f,
|
||
|
|
0.9f,
|
||
|
|
0.9f );
|
||
|
|
|
||
|
|
QVector4D specular( 0.0f,
|
||
|
|
0.0f,
|
||
|
|
0.0f,
|
||
|
|
1.0f );
|
||
|
|
|
||
|
|
CGAL::Bbox_3 bb;
|
||
|
|
if (bb==bounding_box()) // Case of "empty" bounding box
|
||
|
|
{
|
||
|
|
bb=Local_point(CGAL::ORIGIN).bbox();
|
||
|
|
bb=bb + Local_point(1,1,1).bbox(); // To avoid a warning from Qglviewer
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{ bb=bounding_box(); }
|
||
|
|
|
||
|
|
QVector4D position((bb.xmax()-bb.xmin())/2,
|
||
|
|
(bb.ymax()-bb.ymin())/2,
|
||
|
|
bb.zmax(), 0.0);
|
||
|
|
GLfloat shininess = 1.0f;
|
||
|
|
|
||
|
|
rendering_program_face.bind();
|
||
|
|
int mvpLocation = rendering_program_face.uniformLocation("mvp_matrix");
|
||
|
|
int mvLocation = rendering_program_face.uniformLocation("mv_matrix");
|
||
|
|
int lightLocation[5];
|
||
|
|
lightLocation[0] = rendering_program_face.uniformLocation("light_pos");
|
||
|
|
lightLocation[1] = rendering_program_face.uniformLocation("light_diff");
|
||
|
|
lightLocation[2] = rendering_program_face.uniformLocation("light_spec");
|
||
|
|
lightLocation[3] = rendering_program_face.uniformLocation("light_amb");
|
||
|
|
lightLocation[4] = rendering_program_face.uniformLocation("spec_power");
|
||
|
|
|
||
|
|
rendering_program_face.setUniformValue(lightLocation[0], position);
|
||
|
|
rendering_program_face.setUniformValue(lightLocation[1], diffuse);
|
||
|
|
rendering_program_face.setUniformValue(lightLocation[2], specular);
|
||
|
|
rendering_program_face.setUniformValue(lightLocation[3], m_ambient_color);
|
||
|
|
rendering_program_face.setUniformValue(lightLocation[4], shininess);
|
||
|
|
rendering_program_face.setUniformValue(mvpLocation, mvpMatrix);
|
||
|
|
rendering_program_face.setUniformValue(mvLocation, mvMatrix);
|
||
|
|
rendering_program_face.release();
|
||
|
|
|
||
|
|
rendering_program_p_l.bind();
|
||
|
|
int mvpLocation2 = rendering_program_p_l.uniformLocation("mvp_matrix");
|
||
|
|
rendering_program_p_l.setUniformValue(mvpLocation2, mvpMatrix);
|
||
|
|
rendering_program_p_l.release();
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual void draw()
|
||
|
|
{
|
||
|
|
glEnable(GL_DEPTH_TEST);
|
||
|
|
if(!m_are_buffers_initialized)
|
||
|
|
{ initialize_buffers(); }
|
||
|
|
|
||
|
|
QColor color;
|
||
|
|
attrib_buffers(this);
|
||
|
|
|
||
|
|
if(m_draw_vertices)
|
||
|
|
{
|
||
|
|
rendering_program_p_l.bind();
|
||
|
|
|
||
|
|
vao[VAO_MONO_POINTS].bind();
|
||
|
|
color.setRgbF((double)m_vertices_mono_color.red()/(double)255,
|
||
|
|
(double)m_vertices_mono_color.green()/(double)255,
|
||
|
|
(double)m_vertices_mono_color.blue()/(double)255);
|
||
|
|
rendering_program_p_l.setAttributeValue("color",color);
|
||
|
|
rendering_program_p_l.setUniformValue("point_size", GLfloat(m_size_points));
|
||
|
|
glDrawArrays(GL_POINTS, 0, static_cast<GLsizei>(arrays[POS_MONO_POINTS].size()/3));
|
||
|
|
vao[VAO_MONO_POINTS].release();
|
||
|
|
|
||
|
|
vao[VAO_COLORED_POINTS].bind();
|
||
|
|
if (m_use_mono_color)
|
||
|
|
{
|
||
|
|
color.setRgbF((double)m_vertices_mono_color.red()/(double)255,
|
||
|
|
(double)m_vertices_mono_color.green()/(double)255,
|
||
|
|
(double)m_vertices_mono_color.blue()/(double)255);
|
||
|
|
rendering_program_p_l.disableAttributeArray("color");
|
||
|
|
rendering_program_p_l.setAttributeValue("color",color);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
rendering_program_p_l.enableAttributeArray("color");
|
||
|
|
}
|
||
|
|
rendering_program_p_l.setUniformValue("point_size", GLfloat(m_size_points));
|
||
|
|
glDrawArrays(GL_POINTS, 0, static_cast<GLsizei>(arrays[POS_COLORED_POINTS].size()/3));
|
||
|
|
vao[VAO_COLORED_POINTS].release();
|
||
|
|
|
||
|
|
rendering_program_p_l.release();
|
||
|
|
}
|
||
|
|
|
||
|
|
if(m_draw_edges)
|
||
|
|
{
|
||
|
|
rendering_program_p_l.bind();
|
||
|
|
|
||
|
|
vao[VAO_MONO_SEGMENTS].bind();
|
||
|
|
color.setRgbF((double)m_edges_mono_color.red()/(double)255,
|
||
|
|
(double)m_edges_mono_color.green()/(double)255,
|
||
|
|
(double)m_edges_mono_color.blue()/(double)255);
|
||
|
|
rendering_program_p_l.setAttributeValue("color",color);
|
||
|
|
glLineWidth(m_size_edges);
|
||
|
|
glDrawArrays(GL_LINES, 0, static_cast<GLsizei>(arrays[POS_MONO_SEGMENTS].size()/3));
|
||
|
|
vao[VAO_MONO_SEGMENTS].release();
|
||
|
|
|
||
|
|
vao[VAO_COLORED_SEGMENTS].bind();
|
||
|
|
if (m_use_mono_color)
|
||
|
|
{
|
||
|
|
color.setRgbF((double)m_edges_mono_color.red()/(double)255,
|
||
|
|
(double)m_edges_mono_color.green()/(double)255,
|
||
|
|
(double)m_edges_mono_color.blue()/(double)255);
|
||
|
|
rendering_program_p_l.disableAttributeArray("color");
|
||
|
|
rendering_program_p_l.setAttributeValue("color",color);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
rendering_program_p_l.enableAttributeArray("color");
|
||
|
|
}
|
||
|
|
glLineWidth(m_size_edges);
|
||
|
|
glDrawArrays(GL_LINES, 0, static_cast<GLsizei>(arrays[POS_COLORED_SEGMENTS].size()/3));
|
||
|
|
vao[VAO_COLORED_SEGMENTS].release();
|
||
|
|
|
||
|
|
rendering_program_p_l.release();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (m_draw_faces)
|
||
|
|
{
|
||
|
|
rendering_program_face.bind();
|
||
|
|
|
||
|
|
vao[VAO_MONO_FACES].bind();
|
||
|
|
color.setRgbF((double)m_faces_mono_color.red()/(double)255,
|
||
|
|
(double)m_faces_mono_color.green()/(double)255,
|
||
|
|
(double)m_faces_mono_color.blue()/(double)255);
|
||
|
|
rendering_program_face.setAttributeValue("color",color);
|
||
|
|
glDrawArrays(GL_TRIANGLES, 0, static_cast<GLsizei>(arrays[POS_MONO_FACES].size()/3));
|
||
|
|
vao[VAO_MONO_FACES].release();
|
||
|
|
|
||
|
|
vao[VAO_COLORED_FACES].bind();
|
||
|
|
if (m_use_mono_color)
|
||
|
|
{
|
||
|
|
color.setRgbF((double)m_faces_mono_color.red()/(double)255,
|
||
|
|
(double)m_faces_mono_color.green()/(double)255,
|
||
|
|
(double)m_faces_mono_color.blue()/(double)255);
|
||
|
|
rendering_program_face.disableAttributeArray("color");
|
||
|
|
rendering_program_face.setAttributeValue("color",color);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
rendering_program_face.enableAttributeArray("color");
|
||
|
|
}
|
||
|
|
glDrawArrays(GL_TRIANGLES, 0, static_cast<GLsizei>(arrays[POS_COLORED_FACES].size()/3));
|
||
|
|
vao[VAO_COLORED_FACES].release();
|
||
|
|
|
||
|
|
rendering_program_face.release();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual void redraw()
|
||
|
|
{
|
||
|
|
initialize_buffers();
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual void init()
|
||
|
|
{
|
||
|
|
// Restore previous viewer state.
|
||
|
|
restoreStateFromFile();
|
||
|
|
initializeOpenGLFunctions();
|
||
|
|
|
||
|
|
// Define 'Control+Q' as the new exit shortcut (default was 'Escape')
|
||
|
|
setShortcut(qglviewer::EXIT_VIEWER, ::Qt::CTRL+::Qt::Key_Q);
|
||
|
|
|
||
|
|
// Add custom key description (see keyPressEvent).
|
||
|
|
setKeyDescription(::Qt::Key_E, "Toggles edges display");
|
||
|
|
setKeyDescription(::Qt::Key_F, "Toggles faces display");
|
||
|
|
setKeyDescription(::Qt::Key_G, "Switch between flat/Gouraud shading display");
|
||
|
|
setKeyDescription(::Qt::Key_M, "Toggles mono color for all faces");
|
||
|
|
setKeyDescription(::Qt::Key_N, "Inverse direction of normals");
|
||
|
|
setKeyDescription(::Qt::Key_V, "Toggles vertices display");
|
||
|
|
setKeyDescription(::Qt::Key_Plus, "Increase size of edges");
|
||
|
|
setKeyDescription(::Qt::Key_Minus, "Decrease size of edges");
|
||
|
|
setKeyDescription(::Qt::Key_Plus+::Qt::ControlModifier, "Increase size of vertices");
|
||
|
|
setKeyDescription(::Qt::Key_Minus+::Qt::ControlModifier, "Decrease size of vertices");
|
||
|
|
setKeyDescription(::Qt::Key_PageDown, "Increase light (all colors, use shift/alt/ctrl for one rgb component)");
|
||
|
|
setKeyDescription(::Qt::Key_PageUp, "Decrease light (all colors, use shift/alt/ctrl for one rgb component)");
|
||
|
|
|
||
|
|
// Light default parameters
|
||
|
|
glLineWidth(m_size_edges);
|
||
|
|
glEnable(GL_POLYGON_OFFSET_FILL);
|
||
|
|
glPolygonOffset(1.f,1.f);
|
||
|
|
glClearColor(1.0f,1.0f,1.0f,0.0f);
|
||
|
|
glDisable(GL_BLEND);
|
||
|
|
glEnable(GL_LINE_SMOOTH);
|
||
|
|
glDisable(GL_POLYGON_SMOOTH_HINT);
|
||
|
|
glBlendFunc(GL_ONE, GL_ZERO);
|
||
|
|
glHint(GL_LINE_SMOOTH_HINT, GL_FASTEST);
|
||
|
|
|
||
|
|
compile_shaders();
|
||
|
|
|
||
|
|
CGAL::Bbox_3 bb;
|
||
|
|
if (bb==bounding_box()) // Case of "empty" bounding box
|
||
|
|
{
|
||
|
|
bb=Local_point(CGAL::ORIGIN).bbox();
|
||
|
|
bb=bb + Local_point(1,1,1).bbox(); // To avoid a warning from Qglviewer
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{ bb=bounding_box(); }
|
||
|
|
this->camera()->setSceneBoundingBox(CGAL::qglviewer::Vec(bb.xmin(),
|
||
|
|
bb.ymin(),
|
||
|
|
bb.zmin()),
|
||
|
|
CGAL::qglviewer::Vec(bb.xmax(),
|
||
|
|
bb.ymax(),
|
||
|
|
bb.zmax()));
|
||
|
|
|
||
|
|
this->showEntireScene();
|
||
|
|
}
|
||
|
|
|
||
|
|
void negate_all_normals()
|
||
|
|
{
|
||
|
|
for (unsigned int k=BEGIN_NORMAL; k<END_NORMAL; ++k)
|
||
|
|
{
|
||
|
|
for (std::size_t i=0; i<arrays[k].size(); ++i)
|
||
|
|
{ arrays[k][i]=-arrays[k][i]; }
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual void keyPressEvent(QKeyEvent *e)
|
||
|
|
{
|
||
|
|
const ::Qt::KeyboardModifiers modifiers = e->modifiers();
|
||
|
|
|
||
|
|
if ((e->key()==::Qt::Key_E) && (modifiers==::Qt::NoButton))
|
||
|
|
{
|
||
|
|
m_draw_edges=!m_draw_edges;
|
||
|
|
displayMessage(QString("Draw edges=%1.").arg(m_draw_edges?"true":"false"));
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
else if ((e->key()==::Qt::Key_F) && (modifiers==::Qt::NoButton))
|
||
|
|
{
|
||
|
|
m_draw_faces=!m_draw_faces;
|
||
|
|
displayMessage(QString("Draw faces=%1.").arg(m_draw_faces?"true":"false"));
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
else if ((e->key()==::Qt::Key_G) && (modifiers==::Qt::NoButton))
|
||
|
|
{
|
||
|
|
m_flatShading=!m_flatShading;
|
||
|
|
if (m_flatShading)
|
||
|
|
displayMessage("Flat shading.");
|
||
|
|
else
|
||
|
|
displayMessage("Gouraud shading.");
|
||
|
|
redraw();
|
||
|
|
}
|
||
|
|
else if ((e->key()==::Qt::Key_M) && (modifiers==::Qt::NoButton))
|
||
|
|
{
|
||
|
|
m_use_mono_color=!m_use_mono_color;
|
||
|
|
displayMessage(QString("Mono color=%1.").arg(m_use_mono_color?"true":"false"));
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
else if ((e->key()==::Qt::Key_N) && (modifiers==::Qt::NoButton))
|
||
|
|
{
|
||
|
|
m_inverse_normal=!m_inverse_normal;
|
||
|
|
displayMessage(QString("Inverse normal=%1.").arg(m_inverse_normal?"true":"false"));
|
||
|
|
negate_all_normals();
|
||
|
|
redraw();
|
||
|
|
}
|
||
|
|
else if ((e->key()==::Qt::Key_V) && (modifiers==::Qt::NoButton))
|
||
|
|
{
|
||
|
|
m_draw_vertices=!m_draw_vertices;
|
||
|
|
displayMessage(QString("Draw vertices=%1.").arg(m_draw_vertices?"true":"false"));
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
else if ((e->key()==::Qt::Key_Plus) && (!modifiers.testFlag(::Qt::ControlModifier))) // No ctrl
|
||
|
|
{
|
||
|
|
m_size_edges+=.5;
|
||
|
|
displayMessage(QString("Size of edges=%1.").arg(m_size_edges));
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
else if ((e->key()==::Qt::Key_Minus) && (!modifiers.testFlag(::Qt::ControlModifier))) // No ctrl
|
||
|
|
{
|
||
|
|
if (m_size_edges>.5) m_size_edges-=.5;
|
||
|
|
displayMessage(QString("Size of edges=%1.").arg(m_size_edges));
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
else if ((e->key()==::Qt::Key_Plus) && (modifiers.testFlag(::Qt::ControlModifier)))
|
||
|
|
{
|
||
|
|
m_size_points+=.5;
|
||
|
|
displayMessage(QString("Size of points=%1.").arg(m_size_points));
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
else if ((e->key()==::Qt::Key_Minus) && (modifiers.testFlag(::Qt::ControlModifier)))
|
||
|
|
{
|
||
|
|
if (m_size_points>.5) m_size_points-=.5;
|
||
|
|
displayMessage(QString("Size of points=%1.").arg(m_size_points));
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
else if ((e->key()==::Qt::Key_PageUp) && (modifiers==::Qt::NoButton))
|
||
|
|
{
|
||
|
|
m_ambient_color.setX(m_ambient_color.x()+.1);
|
||
|
|
if (m_ambient_color.x()>1.) m_ambient_color.setX(1.);
|
||
|
|
m_ambient_color.setY(m_ambient_color.x()+.1);
|
||
|
|
if (m_ambient_color.y()>1.) m_ambient_color.setY(1.);
|
||
|
|
m_ambient_color.setZ(m_ambient_color.x()+.1);
|
||
|
|
if (m_ambient_color.z()>1.) m_ambient_color.setZ(1.);
|
||
|
|
displayMessage(QString("Light color=(%1 %2 %3).").
|
||
|
|
arg(m_ambient_color.x()).arg(m_ambient_color.y()).arg(m_ambient_color.z()));
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
else if ((e->key()==::Qt::Key_PageDown) && (modifiers==::Qt::NoButton))
|
||
|
|
{
|
||
|
|
m_ambient_color.setX(m_ambient_color.x()-.1);
|
||
|
|
if (m_ambient_color.x()<0.) m_ambient_color.setX(0.);
|
||
|
|
m_ambient_color.setY(m_ambient_color.y()-.1);
|
||
|
|
if (m_ambient_color.y()<0.) m_ambient_color.setY(0.);
|
||
|
|
m_ambient_color.setZ(m_ambient_color.z()-.1);
|
||
|
|
if (m_ambient_color.z()<0.) m_ambient_color.setZ(0.);
|
||
|
|
displayMessage(QString("Light color=(%1 %2 %3).").
|
||
|
|
arg(m_ambient_color.x()).arg(m_ambient_color.y()).arg(m_ambient_color.z()));
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
else if ((e->key()==::Qt::Key_PageUp) && (modifiers==::Qt::ShiftModifier))
|
||
|
|
{
|
||
|
|
m_ambient_color.setX(m_ambient_color.x()+.1);
|
||
|
|
if (m_ambient_color.x()>1.) m_ambient_color.setX(1.);
|
||
|
|
displayMessage(QString("Light color=(%1 %2 %3).").
|
||
|
|
arg(m_ambient_color.x()).arg(m_ambient_color.y()).arg(m_ambient_color.z()));
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
else if ((e->key()==::Qt::Key_PageUp) && (modifiers==::Qt::AltModifier))
|
||
|
|
{
|
||
|
|
m_ambient_color.setY(m_ambient_color.y()+.1);
|
||
|
|
if (m_ambient_color.y()>1.) m_ambient_color.setY(1.);
|
||
|
|
displayMessage(QString("Light color=(%1 %2 %3).").
|
||
|
|
arg(m_ambient_color.x()).arg(m_ambient_color.y()).arg(m_ambient_color.z()));
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
else if ((e->key()==::Qt::Key_PageUp) && (modifiers==::Qt::ControlModifier))
|
||
|
|
{
|
||
|
|
m_ambient_color.setZ(m_ambient_color.z()+.1);
|
||
|
|
if (m_ambient_color.z()>1.) m_ambient_color.setZ(1.);
|
||
|
|
displayMessage(QString("Light color=(%1 %2 %3).").
|
||
|
|
arg(m_ambient_color.x()).arg(m_ambient_color.y()).arg(m_ambient_color.z()));
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
else if ((e->key()==::Qt::Key_PageDown) && (modifiers==::Qt::ShiftModifier))
|
||
|
|
{
|
||
|
|
m_ambient_color.setX(m_ambient_color.x()-.1);
|
||
|
|
if (m_ambient_color.x()<0.) m_ambient_color.setX(0.);
|
||
|
|
displayMessage(QString("Light color=(%1 %2 %3).").
|
||
|
|
arg(m_ambient_color.x()).arg(m_ambient_color.y()).arg(m_ambient_color.z()));
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
else if ((e->key()==::Qt::Key_PageDown) && (modifiers==::Qt::AltModifier))
|
||
|
|
{
|
||
|
|
m_ambient_color.setY(m_ambient_color.y()-.1);
|
||
|
|
if (m_ambient_color.y()<0.) m_ambient_color.setY(0.);
|
||
|
|
displayMessage(QString("Light color=(%1 %2 %3).").
|
||
|
|
arg(m_ambient_color.x()).arg(m_ambient_color.y()).arg(m_ambient_color.z()));
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
else if ((e->key()==::Qt::Key_PageDown) && (modifiers==::Qt::ControlModifier))
|
||
|
|
{
|
||
|
|
m_ambient_color.setZ(m_ambient_color.z()-.1);
|
||
|
|
if (m_ambient_color.z()<0.) m_ambient_color.setZ(0.);
|
||
|
|
displayMessage(QString("Light color=(%1 %2 %3).").
|
||
|
|
arg(m_ambient_color.x()).arg(m_ambient_color.y()).arg(m_ambient_color.z()));
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
CGAL::QGLViewer::keyPressEvent(e);
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual QString helpString() const
|
||
|
|
{
|
||
|
|
QString text("<h2>C G A L B a s i c V i e w e r</h2>");
|
||
|
|
text += "Use the mouse to move the camera around the object. ";
|
||
|
|
text += "You can respectively revolve around, zoom and translate with "
|
||
|
|
"the three mouse buttons. ";
|
||
|
|
text += "Left and middle buttons pressed together rotate around the "
|
||
|
|
"camera view direction axis<br><br>";
|
||
|
|
text += "Pressing <b>Alt</b> and one of the function keys "
|
||
|
|
"(<b>F1</b>..<b>F12</b>) defines a camera keyFrame. ";
|
||
|
|
text += "Simply press the function key again to restore it. "
|
||
|
|
"Several keyFrames define a ";
|
||
|
|
text += "camera path. Paths are saved when you quit the application "
|
||
|
|
"and restored at next start.<br><br>";
|
||
|
|
text += "Press <b>F</b> to display the frame rate, <b>A</b> for the "
|
||
|
|
"world axis, ";
|
||
|
|
text += "<b>Alt+Return</b> for full screen mode and <b>Control+S</b> "
|
||
|
|
"to save a snapshot. ";
|
||
|
|
text += "See the <b>Keyboard</b> tab in this window for a complete "
|
||
|
|
"shortcut list.<br><br>";
|
||
|
|
text += "Double clicks automates single click actions: A left button "
|
||
|
|
"double click aligns the closer axis with the camera (if close enough). ";
|
||
|
|
text += "A middle button double click fits the zoom of the camera and "
|
||
|
|
"the right button re-centers the scene.<br><br>";
|
||
|
|
text += "A left button double click while holding right button pressed "
|
||
|
|
"defines the camera <i>Revolve Around Point</i>. ";
|
||
|
|
text += "See the <b>Mouse</b> tab and the documentation web pages for "
|
||
|
|
"details.<br><br>";
|
||
|
|
text += "Press <b>Escape</b> to exit the viewer.";
|
||
|
|
return text;
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
bool m_draw_vertices;
|
||
|
|
bool m_draw_edges;
|
||
|
|
bool m_draw_faces;
|
||
|
|
bool m_flatShading;
|
||
|
|
bool m_use_mono_color;
|
||
|
|
bool m_inverse_normal;
|
||
|
|
|
||
|
|
double m_size_points;
|
||
|
|
double m_size_edges;
|
||
|
|
|
||
|
|
CGAL::Color m_vertices_mono_color;
|
||
|
|
CGAL::Color m_edges_mono_color;
|
||
|
|
CGAL::Color m_faces_mono_color;
|
||
|
|
QVector4D m_ambient_color;
|
||
|
|
|
||
|
|
bool m_are_buffers_initialized;
|
||
|
|
CGAL::Bbox_3 m_bounding_box;
|
||
|
|
|
||
|
|
// The following enum gives the indices of different elements of arrays vectors.
|
||
|
|
enum
|
||
|
|
{
|
||
|
|
BEGIN_POS=0,
|
||
|
|
POS_MONO_POINTS=BEGIN_POS,
|
||
|
|
POS_COLORED_POINTS,
|
||
|
|
POS_MONO_SEGMENTS,
|
||
|
|
POS_COLORED_SEGMENTS,
|
||
|
|
POS_MONO_FACES,
|
||
|
|
POS_COLORED_FACES,
|
||
|
|
END_POS,
|
||
|
|
BEGIN_COLOR=END_POS,
|
||
|
|
COLOR_POINTS=BEGIN_COLOR,
|
||
|
|
COLOR_SEGMENTS,
|
||
|
|
COLOR_FACES,
|
||
|
|
END_COLOR,
|
||
|
|
BEGIN_NORMAL=END_COLOR,
|
||
|
|
SMOOTH_NORMAL_MONO_FACES=BEGIN_NORMAL,
|
||
|
|
FLAT_NORMAL_MONO_FACES,
|
||
|
|
SMOOTH_NORMAL_COLORED_FACES,
|
||
|
|
FLAT_NORMAL_COLORED_FACES,
|
||
|
|
END_NORMAL,
|
||
|
|
LAST_INDEX=END_NORMAL
|
||
|
|
};
|
||
|
|
std::vector<float> arrays[LAST_INDEX];
|
||
|
|
|
||
|
|
Buffer_for_vao<float> m_buffer_for_mono_points;
|
||
|
|
Buffer_for_vao<float> m_buffer_for_colored_points;
|
||
|
|
Buffer_for_vao<float> m_buffer_for_mono_segments;
|
||
|
|
Buffer_for_vao<float> m_buffer_for_colored_segments;
|
||
|
|
Buffer_for_vao<float> m_buffer_for_mono_faces;
|
||
|
|
Buffer_for_vao<float> m_buffer_for_colored_faces;
|
||
|
|
|
||
|
|
static const unsigned int NB_VBO_BUFFERS=(END_POS-BEGIN_POS)+
|
||
|
|
(END_COLOR-BEGIN_COLOR)+2; // +2 for 2 vectors of normals
|
||
|
|
|
||
|
|
QGLBuffer buffers[NB_VBO_BUFFERS];
|
||
|
|
|
||
|
|
// The following enum gives the indices of the differents vao.
|
||
|
|
enum
|
||
|
|
{ VAO_MONO_POINTS=0,
|
||
|
|
VAO_COLORED_POINTS,
|
||
|
|
VAO_MONO_SEGMENTS,
|
||
|
|
VAO_COLORED_SEGMENTS,
|
||
|
|
VAO_MONO_FACES,
|
||
|
|
VAO_COLORED_FACES,
|
||
|
|
NB_VAO_BUFFERS
|
||
|
|
};
|
||
|
|
QOpenGLVertexArrayObject vao[NB_VAO_BUFFERS];
|
||
|
|
|
||
|
|
QOpenGLShaderProgram rendering_program_face;
|
||
|
|
QOpenGLShaderProgram rendering_program_p_l;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // End namespace CGAL
|
||
|
|
|
||
|
|
#else // CGAL_USE_BASIC_VIEWER
|
||
|
|
|
||
|
|
namespace CGAL
|
||
|
|
{
|
||
|
|
|
||
|
|
template<class T, class ColorFunctor>
|
||
|
|
void draw(const T&, const char*, bool, const ColorFunctor&)
|
||
|
|
{
|
||
|
|
std::cerr<<"Impossible to draw because CGAL_USE_BASIC_VIEWER is not defined."
|
||
|
|
<<std::endl;
|
||
|
|
}
|
||
|
|
|
||
|
|
template<class T>
|
||
|
|
void draw(const T&, const char*, bool)
|
||
|
|
{
|
||
|
|
std::cerr<<"Impossible to draw because CGAL_USE_BASIC_VIEWER is not defined."
|
||
|
|
<<std::endl;
|
||
|
|
}
|
||
|
|
|
||
|
|
template<class T>
|
||
|
|
void draw(const T&, const char*)
|
||
|
|
{
|
||
|
|
std::cerr<<"Impossible to draw because CGAL_USE_BASIC_VIEWER is not defined."
|
||
|
|
<<std::endl;
|
||
|
|
}
|
||
|
|
|
||
|
|
template<class T>
|
||
|
|
void draw(const T&)
|
||
|
|
{
|
||
|
|
std::cerr<<"Impossible to draw because CGAL_USE_BASIC_VIEWER is not defined."
|
||
|
|
<<std::endl;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // End namespace CGAL
|
||
|
|
|
||
|
|
#endif // CGAL_USE_BASIC_VIEWER
|
||
|
|
|
||
|
|
#endif // CGAL_BASIC_VIEWER_QT_H
|