1783 lines
46 KiB
C++
1783 lines
46 KiB
C++
#include "GLCanvas3D.hpp"
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#include "../../slic3r/GUI/3DScene.hpp"
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#include "../../slic3r/GUI/GLShader.hpp"
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#include "../../libslic3r/ClipperUtils.hpp"
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#include "../../libslic3r/PrintConfig.hpp"
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#include "../../libslic3r/Print.hpp"
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#include <GL/glew.h>
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#include <wx/glcanvas.h>
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#include <wx/image.h>
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#include <iostream>
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#include <float.h>
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static const bool TURNTABLE_MODE = true;
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static const float GIMBALL_LOCK_THETA_MAX = 180.0f;
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static const float GROUND_Z = -0.02f;
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// phi / theta angles to orient the camera.
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static const float VIEW_DEFAULT[2] = { 45.0f, 45.0f };
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static const float VIEW_LEFT[2] = { 90.0f, 90.0f };
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static const float VIEW_RIGHT[2] = { -90.0f, 90.0f };
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static const float VIEW_TOP[2] = { 0.0f, 0.0f };
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static const float VIEW_BOTTOM[2] = { 0.0f, 180.0f };
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static const float VIEW_FRONT[2] = { 0.0f, 90.0f };
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static const float VIEW_REAR[2] = { 180.0f, 90.0f };
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static const float VARIABLE_LAYER_THICKNESS_BAR_WIDTH = 70.0f;
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static const float VARIABLE_LAYER_THICKNESS_RESET_BUTTON_HEIGHT = 22.0f;
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namespace Slic3r {
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namespace GUI {
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bool GeometryBuffer::set_from_triangles(const Polygons& triangles, float z)
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{
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m_data.clear();
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unsigned int size = 9 * (unsigned int)triangles.size();
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if (size == 0)
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return false;
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m_data = std::vector<float>(size, 0.0f);
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unsigned int coord = 0;
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for (const Polygon& t : triangles)
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{
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for (unsigned int v = 0; v < 3; ++v)
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{
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const Point& p = t.points[v];
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m_data[coord++] = (float)unscale(p.x);
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m_data[coord++] = (float)unscale(p.y);
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m_data[coord++] = z;
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}
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}
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return true;
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}
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bool GeometryBuffer::set_from_lines(const Lines& lines, float z)
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{
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m_data.clear();
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unsigned int size = 6 * (unsigned int)lines.size();
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if (size == 0)
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return false;
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m_data = std::vector<float>(size, 0.0f);
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unsigned int coord = 0;
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for (const Line& l : lines)
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{
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m_data[coord++] = (float)unscale(l.a.x);
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m_data[coord++] = (float)unscale(l.a.y);
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m_data[coord++] = z;
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m_data[coord++] = (float)unscale(l.b.x);
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m_data[coord++] = (float)unscale(l.b.y);
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m_data[coord++] = z;
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}
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return true;
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}
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const float* GeometryBuffer::get_data() const
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{
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return m_data.data();
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}
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unsigned int GeometryBuffer::get_data_size() const
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{
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return (unsigned int)m_data.size();
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}
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Size::Size()
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: m_width(0)
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, m_height(0)
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{
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}
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Size::Size(int width, int height)
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: m_width(width)
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, m_height(height)
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{
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}
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int Size::get_width() const
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{
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return m_width;
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}
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void Size::set_width(int width)
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{
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m_width = width;
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}
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int Size::get_height() const
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{
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return m_height;
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}
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void Size::set_height(int height)
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{
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m_height = height;
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}
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Rect::Rect()
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: m_left(0.0f)
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, m_top(0.0f)
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, m_right(0.0f)
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, m_bottom(0.0f)
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{
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}
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Rect::Rect(float left, float top, float right, float bottom)
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: m_left(left)
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, m_top(top)
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, m_right(right)
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, m_bottom(bottom)
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{
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}
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float Rect::get_left() const
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{
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return m_left;
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}
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void Rect::set_left(float left)
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{
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m_left = left;
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}
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float Rect::get_top() const
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{
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return m_top;
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}
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void Rect::set_top(float top)
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{
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m_top = top;
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}
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float Rect::get_right() const
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{
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return m_right;
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}
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void Rect::set_right(float right)
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{
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m_right = right;
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}
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float Rect::get_bottom() const
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{
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return m_bottom;
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}
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void Rect::set_bottom(float bottom)
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{
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m_bottom = bottom;
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}
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GLCanvas3D::Camera::Camera()
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: m_type(CT_Ortho)
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, m_zoom(1.0f)
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, m_phi(45.0f)
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, m_theta(45.0f)
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, m_distance(0.0f)
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, m_target(0.0, 0.0, 0.0)
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{
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}
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GLCanvas3D::Camera::EType GLCanvas3D::Camera::get_type() const
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{
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return m_type;
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}
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void GLCanvas3D::Camera::set_type(GLCanvas3D::Camera::EType type)
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{
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m_type = type;
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}
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std::string GLCanvas3D::Camera::get_type_as_string() const
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{
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switch (m_type)
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{
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default:
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case CT_Unknown:
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return "unknown";
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case CT_Perspective:
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return "perspective";
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case CT_Ortho:
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return "ortho";
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};
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}
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float GLCanvas3D::Camera::get_zoom() const
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{
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return m_zoom;
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}
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void GLCanvas3D::Camera::set_zoom(float zoom)
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{
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m_zoom = zoom;
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}
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float GLCanvas3D::Camera::get_phi() const
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{
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return m_phi;
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}
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void GLCanvas3D::Camera::set_phi(float phi)
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{
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m_phi = phi;
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}
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float GLCanvas3D::Camera::get_theta() const
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{
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return m_theta;
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}
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void GLCanvas3D::Camera::set_theta(float theta)
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{
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m_theta = theta;
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// clamp angle
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if (m_theta > GIMBALL_LOCK_THETA_MAX)
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m_theta = GIMBALL_LOCK_THETA_MAX;
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if (m_theta < 0.0f)
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m_theta = 0.0f;
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}
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float GLCanvas3D::Camera::get_distance() const
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{
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return m_distance;
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}
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void GLCanvas3D::Camera::set_distance(float distance)
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{
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m_distance = distance;
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}
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const Pointf3& GLCanvas3D::Camera::get_target() const
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{
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return m_target;
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}
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void GLCanvas3D::Camera::set_target(const Pointf3& target)
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{
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m_target = target;
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}
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const Pointfs& GLCanvas3D::Bed::get_shape() const
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{
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return m_shape;
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}
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void GLCanvas3D::Bed::set_shape(const Pointfs& shape)
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{
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m_shape = shape;
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_calc_bounding_box();
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ExPolygon poly;
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for (const Pointf& p : m_shape)
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{
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poly.contour.append(Point(scale_(p.x), scale_(p.y)));
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}
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_calc_triangles(poly);
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const BoundingBox& bed_bbox = poly.contour.bounding_box();
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_calc_gridlines(poly, bed_bbox);
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m_polygon = offset_ex(poly.contour, bed_bbox.radius() * 1.7, jtRound, scale_(0.5))[0].contour;
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}
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const BoundingBoxf3& GLCanvas3D::Bed::get_bounding_box() const
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{
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return m_bounding_box;
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}
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void GLCanvas3D::Bed::render() const
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{
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unsigned int triangles_vcount = m_triangles.get_data_size() / 3;
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if (triangles_vcount > 0)
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{
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::glDisable(GL_LIGHTING);
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::glDisable(GL_DEPTH_TEST);
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::glEnable(GL_BLEND);
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::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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::glEnableClientState(GL_VERTEX_ARRAY);
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::glColor4f(0.8f, 0.6f, 0.5f, 0.4f);
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::glNormal3d(0.0f, 0.0f, 1.0f);
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::glVertexPointer(3, GL_FLOAT, 0, (GLvoid*)m_triangles.get_data());
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::glDrawArrays(GL_TRIANGLES, 0, (GLsizei)triangles_vcount);
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// we need depth test for grid, otherwise it would disappear when looking
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//<2F>the object from below
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glEnable(GL_DEPTH_TEST);
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// draw grid
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unsigned int gridlines_vcount = m_gridlines.get_data_size() / 3;
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::glLineWidth(3.0f);
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::glColor4f(0.2f, 0.2f, 0.2f, 0.4f);
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::glVertexPointer(3, GL_FLOAT, 0, (GLvoid*)m_gridlines.get_data());
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::glDrawArrays(GL_LINES, 0, (GLsizei)gridlines_vcount);
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::glDisableClientState(GL_VERTEX_ARRAY);
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::glDisable(GL_BLEND);
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}
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}
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void GLCanvas3D::Bed::_calc_bounding_box()
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{
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m_bounding_box = BoundingBoxf3();
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for (const Pointf& p : m_shape)
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{
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m_bounding_box.merge(Pointf3(p.x, p.y, 0.0));
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}
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}
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void GLCanvas3D::Bed::_calc_triangles(const ExPolygon& poly)
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{
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Polygons triangles;
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poly.triangulate(&triangles);
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if (!m_triangles.set_from_triangles(triangles, GROUND_Z))
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printf("Unable to create bed triangles\n");
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}
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void GLCanvas3D::Bed::_calc_gridlines(const ExPolygon& poly, const BoundingBox& bed_bbox)
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{
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Polylines axes_lines;
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for (coord_t x = bed_bbox.min.x; x <= bed_bbox.max.x; x += scale_(10.0))
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{
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Polyline line;
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line.append(Point(x, bed_bbox.min.y));
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line.append(Point(x, bed_bbox.max.y));
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axes_lines.push_back(line);
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}
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for (coord_t y = bed_bbox.min.y; y <= bed_bbox.max.y; y += scale_(10.0))
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{
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Polyline line;
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line.append(Point(bed_bbox.min.x, y));
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line.append(Point(bed_bbox.max.x, y));
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axes_lines.push_back(line);
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}
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// clip with a slightly grown expolygon because our lines lay on the contours and may get erroneously clipped
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Lines gridlines = to_lines(intersection_pl(axes_lines, offset(poly, SCALED_EPSILON)));
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// append bed contours
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Lines contour_lines = to_lines(poly);
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std::copy(contour_lines.begin(), contour_lines.end(), std::back_inserter(gridlines));
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if (!m_gridlines.set_from_lines(gridlines, GROUND_Z))
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printf("Unable to create bed grid lines\n");
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}
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GLCanvas3D::Axes::Axes()
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: m_length(0.0f)
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{
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}
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const Pointf3& GLCanvas3D::Axes::get_origin() const
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{
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return m_origin;
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}
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void GLCanvas3D::Axes::set_origin(const Pointf3& origin)
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{
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m_origin = origin;
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}
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float GLCanvas3D::Axes::get_length() const
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{
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return m_length;
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}
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void GLCanvas3D::Axes::set_length(float length)
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{
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m_length = length;
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}
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void GLCanvas3D::Axes::render() const
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{
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::glDisable(GL_LIGHTING);
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// disable depth testing so that axes are not covered by ground
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::glDisable(GL_DEPTH_TEST);
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::glLineWidth(2.0f);
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::glBegin(GL_LINES);
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// draw line for x axis
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::glColor3f(1.0f, 0.0f, 0.0f);
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::glVertex3f((float)m_origin.x, (float)m_origin.y, (float)m_origin.z);
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::glVertex3f((float)m_origin.x + m_length, (float)m_origin.y, (float)m_origin.z);
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// draw line for y axis
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::glColor3f(0.0f, 1.0f, 0.0f);
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::glVertex3f((float)m_origin.x, (float)m_origin.y, (float)m_origin.z);
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::glVertex3f((float)m_origin.x, (float)m_origin.y + m_length, (float)m_origin.z);
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::glEnd();
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// draw line for Z axis
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// (re-enable depth test so that axis is correctly shown when objects are behind it)
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::glEnable(GL_DEPTH_TEST);
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::glBegin(GL_LINES);
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::glColor3f(0.0f, 0.0f, 1.0f);
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::glVertex3f((float)m_origin.x, (float)m_origin.y, (float)m_origin.z);
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::glVertex3f((float)m_origin.x, (float)m_origin.y, (float)m_origin.z + m_length);
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::glEnd();
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}
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GLCanvas3D::CuttingPlane::CuttingPlane()
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: m_z(-1.0f)
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{
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}
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bool GLCanvas3D::CuttingPlane::set(float z, const ExPolygons& polygons)
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{
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m_z = z;
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// grow slices in order to display them better
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ExPolygons expolygons = offset_ex(polygons, scale_(0.1));
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Lines lines = to_lines(expolygons);
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return m_lines.set_from_lines(lines, m_z);
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}
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void GLCanvas3D::CuttingPlane::render(const BoundingBoxf3& bb) const
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{
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::glDisable(GL_LIGHTING);
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_render_plane(bb);
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_render_contour();
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}
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void GLCanvas3D::CuttingPlane::_render_plane(const BoundingBoxf3& bb) const
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{
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if (m_z >= 0.0f)
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{
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::glDisable(GL_CULL_FACE);
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::glEnable(GL_BLEND);
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::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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float margin = 20.0f;
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float min_x = bb.min.x - margin;
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float max_x = bb.max.x + margin;
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float min_y = bb.min.y - margin;
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float max_y = bb.max.y + margin;
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::glBegin(GL_QUADS);
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::glColor4f(0.8f, 0.8f, 0.8f, 0.5f);
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::glVertex3f(min_x, min_y, m_z);
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::glVertex3f(max_x, min_y, m_z);
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::glVertex3f(max_x, max_y, m_z);
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::glVertex3f(min_x, max_y, m_z);
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::glEnd();
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::glEnable(GL_CULL_FACE);
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::glDisable(GL_BLEND);
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}
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}
|
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void GLCanvas3D::CuttingPlane::_render_contour() const
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{
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::glEnableClientState(GL_VERTEX_ARRAY);
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if (m_z >= 0.0f)
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{
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unsigned int lines_vcount = m_lines.get_data_size() / 3;
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::glLineWidth(2.0f);
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::glColor3f(0.0f, 0.0f, 0.0f);
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::glVertexPointer(3, GL_FLOAT, 0, (GLvoid*)m_lines.get_data());
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::glDrawArrays(GL_LINES, 0, (GLsizei)lines_vcount);
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}
|
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::glDisableClientState(GL_VERTEX_ARRAY);
|
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}
|
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GLCanvas3D::LayersEditing::GLTextureData::GLTextureData()
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: id(0)
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, width(0)
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, height(0)
|
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{
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}
|
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GLCanvas3D::LayersEditing::GLTextureData::GLTextureData(unsigned int id, int width, int height)
|
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: id(id)
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, width(width)
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||
, height(height)
|
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{
|
||
}
|
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|
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GLCanvas3D::LayersEditing::LayersEditing()
|
||
: m_enabled(false)
|
||
{
|
||
}
|
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GLCanvas3D::LayersEditing::~LayersEditing()
|
||
{
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if (m_tooltip_texture.id != 0)
|
||
{
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::glDeleteTextures(1, &m_tooltip_texture.id);
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m_tooltip_texture = GLTextureData();
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}
|
||
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if (m_reset_texture.id != 0)
|
||
{
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::glDeleteTextures(1, &m_reset_texture.id);
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m_reset_texture = GLTextureData();
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}
|
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}
|
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bool GLCanvas3D::LayersEditing::is_enabled() const
|
||
{
|
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return m_enabled;
|
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}
|
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|
||
void GLCanvas3D::LayersEditing::render(const GLCanvas3D& canvas, const PrintObject& print_object) const
|
||
{
|
||
const Rect& bar_rect = _get_bar_rect_viewport(canvas);
|
||
const Rect& reset_rect = _get_reset_rect_viewport(canvas);
|
||
_render_tooltip_texture(canvas, bar_rect, reset_rect);
|
||
_render_reset_texture(canvas, reset_rect);
|
||
_render_profile(print_object, bar_rect);
|
||
}
|
||
|
||
GLCanvas3D::LayersEditing::GLTextureData GLCanvas3D::LayersEditing::_load_texture_from_file(const std::string& filename) const
|
||
{
|
||
const std::string& path = resources_dir() + "/icons/";
|
||
|
||
// Load a PNG with an alpha channel.
|
||
wxImage image;
|
||
if (!image.LoadFile(path + filename, wxBITMAP_TYPE_PNG))
|
||
return GLTextureData();
|
||
|
||
int width = image.GetWidth();
|
||
int height = image.GetHeight();
|
||
int n_pixels = width * height;
|
||
|
||
if (n_pixels <= 0)
|
||
return GLTextureData();
|
||
|
||
// Get RGB & alpha raw data from wxImage, pack them into an array.
|
||
unsigned char* img_rgb = image.GetData();
|
||
if (img_rgb == nullptr)
|
||
return GLTextureData();
|
||
|
||
unsigned char* img_alpha = image.GetAlpha();
|
||
|
||
std::vector<unsigned char> data(n_pixels * 4, 0);
|
||
for (int i = 0; i < n_pixels; ++i)
|
||
{
|
||
int data_id = i * 4;
|
||
int img_id = i * 3;
|
||
data[data_id + 0] = img_rgb[img_id + 0];
|
||
data[data_id + 1] = img_rgb[img_id + 1];
|
||
data[data_id + 2] = img_rgb[img_id + 2];
|
||
data[data_id + 3] = (img_alpha != nullptr) ? img_alpha[i] : 255;
|
||
}
|
||
|
||
// sends data to gpu
|
||
GLuint tex_id;
|
||
::glGenTextures(1, &tex_id);
|
||
::glBindTexture(GL_TEXTURE_2D, tex_id);
|
||
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
||
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
||
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1);
|
||
::glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, (GLsizei)width, (GLsizei)height, 0, GL_RGBA, GL_UNSIGNED_BYTE, (const void*)data.data());
|
||
::glBindTexture(GL_TEXTURE_2D, 0);
|
||
|
||
return GLTextureData((unsigned int)tex_id, width, height);
|
||
}
|
||
|
||
void GLCanvas3D::LayersEditing::_render_tooltip_texture(const GLCanvas3D& canvas, const Rect& bar_rect, const Rect& reset_rect) const
|
||
{
|
||
if (m_tooltip_texture.id == 0)
|
||
{
|
||
m_tooltip_texture = _load_texture_from_file("variable_layer_height_tooltip.png");
|
||
if (m_tooltip_texture.id == 0)
|
||
return;
|
||
}
|
||
|
||
float zoom = canvas.get_camera_zoom();
|
||
float inv_zoom = (zoom != 0.0f) ? 1.0f / zoom : 0.0f;
|
||
float gap = 10.0f * inv_zoom;
|
||
|
||
float bar_left = bar_rect.get_left();
|
||
float reset_bottom = reset_rect.get_bottom();
|
||
|
||
float l = bar_left - (float)m_tooltip_texture.width * inv_zoom - gap;
|
||
float r = bar_left - gap;
|
||
float t = reset_bottom + (float)m_tooltip_texture.height * inv_zoom + gap;
|
||
float b = reset_bottom + gap;
|
||
|
||
canvas.render_texture(m_tooltip_texture.id, l, r, b, t);
|
||
}
|
||
|
||
void GLCanvas3D::LayersEditing::_render_reset_texture(const GLCanvas3D& canvas, const Rect& reset_rect) const
|
||
{
|
||
if (m_reset_texture.id == 0)
|
||
{
|
||
m_reset_texture = _load_texture_from_file("variable_layer_height_reset.png");
|
||
if (m_reset_texture.id == 0)
|
||
return;
|
||
}
|
||
|
||
canvas.render_texture(m_reset_texture.id, reset_rect.get_left(), reset_rect.get_right(), reset_rect.get_bottom(), reset_rect.get_top());
|
||
}
|
||
|
||
void GLCanvas3D::LayersEditing::_render_profile(const PrintObject& print_object, const Rect& bar_rect) const
|
||
{
|
||
// FIXME show some kind of legend.
|
||
|
||
// Get a maximum layer height value.
|
||
// FIXME This is a duplicate code of Slicing.cpp.
|
||
double layer_height_max = DBL_MAX;
|
||
const PrintConfig& print_config = print_object.print()->config;
|
||
const std::vector<double>& nozzle_diameters = dynamic_cast<const ConfigOptionFloats*>(print_config.option("nozzle_diameter"))->values;
|
||
const std::vector<double>& layer_heights_min = dynamic_cast<const ConfigOptionFloats*>(print_config.option("min_layer_height"))->values;
|
||
const std::vector<double>& layer_heights_max = dynamic_cast<const ConfigOptionFloats*>(print_config.option("max_layer_height"))->values;
|
||
for (unsigned int i = 0; i < (unsigned int)nozzle_diameters.size(); ++i)
|
||
{
|
||
double lh_min = (layer_heights_min[i] == 0.0) ? 0.07 : std::max(0.01, layer_heights_min[i]);
|
||
double lh_max = (layer_heights_max[i] == 0.0) ? (0.75 * nozzle_diameters[i]) : layer_heights_max[i];
|
||
layer_height_max = std::min(layer_height_max, std::max(lh_min, lh_max));
|
||
}
|
||
|
||
// Make the vertical bar a bit wider so the layer height curve does not touch the edge of the bar region.
|
||
layer_height_max *= 1.12;
|
||
|
||
coordf_t max_z = unscale(print_object.size.z);
|
||
double layer_height = dynamic_cast<const ConfigOptionFloat*>(print_object.config.option("layer_height"))->value;
|
||
float l = bar_rect.get_left();
|
||
float w = bar_rect.get_right() - l;
|
||
float b = bar_rect.get_bottom();
|
||
float t = bar_rect.get_top();
|
||
float h = t - b;
|
||
float scale_x = w / (float)layer_height_max;
|
||
float scale_y = h / (float)max_z;
|
||
float x = l + (float)layer_height * scale_x;
|
||
|
||
// Baseline
|
||
::glColor3f(0.0f, 0.0f, 0.0f);
|
||
::glBegin(GL_LINE_STRIP);
|
||
::glVertex2f(x, b);
|
||
::glVertex2f(x, t);
|
||
::glEnd();
|
||
|
||
// Curve
|
||
const ModelObject* model_object = print_object.model_object();
|
||
if (model_object->layer_height_profile_valid)
|
||
{
|
||
const std::vector<coordf_t>& profile = model_object->layer_height_profile;
|
||
|
||
::glColor3f(0.0f, 0.0f, 1.0f);
|
||
::glBegin(GL_LINE_STRIP);
|
||
for (unsigned int i = 0; i < profile.size(); i += 2)
|
||
{
|
||
::glVertex2f(l + (float)profile[i + 1] * scale_x, b + (float)profile[i] * scale_y);
|
||
}
|
||
::glEnd();
|
||
}
|
||
}
|
||
|
||
Rect GLCanvas3D::LayersEditing::_get_bar_rect_screen(const GLCanvas3D& canvas) const
|
||
{
|
||
const Size& cnv_size = canvas.get_canvas_size();
|
||
float w = (float)cnv_size.get_width();
|
||
float h = (float)cnv_size.get_height();
|
||
|
||
return Rect(w - VARIABLE_LAYER_THICKNESS_BAR_WIDTH, 0.0f, w, h - VARIABLE_LAYER_THICKNESS_RESET_BUTTON_HEIGHT);
|
||
}
|
||
|
||
Rect GLCanvas3D::LayersEditing::_get_reset_rect_screen(const GLCanvas3D& canvas) const
|
||
{
|
||
const Size& cnv_size = canvas.get_canvas_size();
|
||
float w = (float)cnv_size.get_width();
|
||
float h = (float)cnv_size.get_height();
|
||
|
||
return Rect(w - VARIABLE_LAYER_THICKNESS_BAR_WIDTH, h - VARIABLE_LAYER_THICKNESS_RESET_BUTTON_HEIGHT, w, h);
|
||
}
|
||
|
||
Rect GLCanvas3D::LayersEditing::_get_bar_rect_viewport(const GLCanvas3D& canvas) const
|
||
{
|
||
const Size& cnv_size = canvas.get_canvas_size();
|
||
float half_w = 0.5f * (float)cnv_size.get_width();
|
||
float half_h = 0.5f * (float)cnv_size.get_height();
|
||
|
||
float zoom = canvas.get_camera_zoom();
|
||
float inv_zoom = (zoom != 0.0f) ? 1.0f / zoom : 0.0f;
|
||
|
||
return Rect((half_w - VARIABLE_LAYER_THICKNESS_BAR_WIDTH) * inv_zoom, half_h * inv_zoom, half_w * inv_zoom, (-half_h + VARIABLE_LAYER_THICKNESS_RESET_BUTTON_HEIGHT) * inv_zoom);
|
||
}
|
||
|
||
Rect GLCanvas3D::LayersEditing::_get_reset_rect_viewport(const GLCanvas3D& canvas) const
|
||
{
|
||
const Size& cnv_size = canvas.get_canvas_size();
|
||
float half_w = 0.5f * (float)cnv_size.get_width();
|
||
float half_h = 0.5f * (float)cnv_size.get_height();
|
||
|
||
float zoom = canvas.get_camera_zoom();
|
||
float inv_zoom = (zoom != 0.0f) ? 1.0f / zoom : 0.0f;
|
||
|
||
return Rect((half_w - VARIABLE_LAYER_THICKNESS_BAR_WIDTH) * inv_zoom, (-half_h + VARIABLE_LAYER_THICKNESS_RESET_BUTTON_HEIGHT) * inv_zoom, half_w * inv_zoom, -half_h * inv_zoom);
|
||
}
|
||
|
||
GLCanvas3D::Shader::Shader()
|
||
: m_enabled(false)
|
||
, m_shader(nullptr)
|
||
{
|
||
}
|
||
|
||
bool GLCanvas3D::Shader::init(const std::string& vertex_shader_filename, const std::string& fragment_shader_filename)
|
||
{
|
||
m_shader = new GLShader();
|
||
if (m_shader != nullptr)
|
||
{
|
||
if (!m_shader->load_from_file(fragment_shader_filename.c_str(), vertex_shader_filename.c_str()))
|
||
{
|
||
std::cout << "Compilaton of path shader failed:" << std::endl;
|
||
std::cout << m_shader->last_error << std::endl;
|
||
reset();
|
||
return false;
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
void GLCanvas3D::Shader::reset()
|
||
{
|
||
if (m_shader != nullptr)
|
||
{
|
||
delete m_shader;
|
||
m_shader = nullptr;
|
||
}
|
||
}
|
||
|
||
bool GLCanvas3D::Shader::is_enabled() const
|
||
{
|
||
return m_enabled;
|
||
}
|
||
|
||
void GLCanvas3D::Shader::set_enabled(bool enabled)
|
||
{
|
||
m_enabled = enabled;
|
||
}
|
||
|
||
bool GLCanvas3D::Shader::start() const
|
||
{
|
||
if (m_enabled && (m_shader != nullptr))
|
||
{
|
||
m_shader->enable();
|
||
return true;
|
||
}
|
||
else
|
||
return false;
|
||
}
|
||
|
||
void GLCanvas3D::Shader::stop() const
|
||
{
|
||
if (m_shader != nullptr)
|
||
m_shader->disable();
|
||
}
|
||
|
||
GLCanvas3D::Mouse::Mouse()
|
||
: m_dragging(false)
|
||
{
|
||
}
|
||
|
||
bool GLCanvas3D::Mouse::is_dragging() const
|
||
{
|
||
return m_dragging;
|
||
}
|
||
|
||
void GLCanvas3D::Mouse::set_dragging(bool dragging)
|
||
{
|
||
m_dragging = dragging;
|
||
}
|
||
|
||
const Pointf& GLCanvas3D::Mouse::get_position() const
|
||
{
|
||
return m_position;
|
||
}
|
||
|
||
void GLCanvas3D::Mouse::set_position(const Pointf& position)
|
||
{
|
||
m_position = position;
|
||
}
|
||
|
||
GLCanvas3D::GLCanvas3D(wxGLCanvas* canvas, wxGLContext* context)
|
||
: m_canvas(canvas)
|
||
, m_context(context)
|
||
, m_volumes(nullptr)
|
||
, m_config(nullptr)
|
||
, m_dirty(true)
|
||
, m_apply_zoom_to_volumes_filter(false)
|
||
, m_hover_volume_id(-1)
|
||
, m_warning_texture_enabled(false)
|
||
, m_legend_texture_enabled(false)
|
||
, m_picking_enabled(false)
|
||
, m_multisample_allowed(false)
|
||
{
|
||
}
|
||
|
||
GLCanvas3D::~GLCanvas3D()
|
||
{
|
||
_deregister_callbacks();
|
||
m_shader.reset();
|
||
}
|
||
|
||
bool GLCanvas3D::init(bool useVBOs)
|
||
{
|
||
::glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
|
||
::glEnable(GL_DEPTH_TEST);
|
||
::glClearDepth(1.0f);
|
||
::glDepthFunc(GL_LEQUAL);
|
||
::glEnable(GL_CULL_FACE);
|
||
::glEnable(GL_BLEND);
|
||
::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
||
|
||
// Set antialiasing / multisampling
|
||
::glDisable(GL_LINE_SMOOTH);
|
||
::glDisable(GL_POLYGON_SMOOTH);
|
||
|
||
// ambient lighting
|
||
GLfloat ambient[4] = { 0.3f, 0.3f, 0.3f, 1.0f };
|
||
::glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);
|
||
|
||
::glEnable(GL_LIGHT0);
|
||
::glEnable(GL_LIGHT1);
|
||
|
||
// light from camera
|
||
GLfloat position[4] = { 1.0f, 0.0f, 1.0f, 0.0f };
|
||
::glLightfv(GL_LIGHT1, GL_POSITION, position);
|
||
GLfloat specular[4] = { 0.3f, 0.3f, 0.3f, 1.0f };
|
||
::glLightfv(GL_LIGHT1, GL_SPECULAR, specular);
|
||
GLfloat diffuse[4] = { 0.2f, 0.2f, 0.2f, 1.0f };
|
||
::glLightfv(GL_LIGHT1, GL_DIFFUSE, diffuse);
|
||
|
||
// Enables Smooth Color Shading; try GL_FLAT for (lack of) fun.
|
||
::glShadeModel(GL_SMOOTH);
|
||
|
||
// A handy trick -- have surface material mirror the color.
|
||
::glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
|
||
::glEnable(GL_COLOR_MATERIAL);
|
||
|
||
if (is_multisample_allowed())
|
||
::glEnable(GL_MULTISAMPLE);
|
||
|
||
if (useVBOs && !m_shader.init("gouraud.vs", "gouraud.fs"))
|
||
return false;
|
||
|
||
return true;
|
||
}
|
||
|
||
bool GLCanvas3D::set_current()
|
||
{
|
||
if ((m_canvas != nullptr) && (m_context != nullptr))
|
||
{
|
||
m_canvas->SetCurrent(*m_context);
|
||
return true;
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
bool GLCanvas3D::is_dirty() const
|
||
{
|
||
return m_dirty;
|
||
}
|
||
|
||
void GLCanvas3D::set_dirty(bool dirty)
|
||
{
|
||
m_dirty = dirty;
|
||
}
|
||
|
||
bool GLCanvas3D::is_shown_on_screen() const
|
||
{
|
||
return (m_canvas != nullptr) ? m_canvas->IsShownOnScreen() : false;
|
||
}
|
||
|
||
void GLCanvas3D::resize(unsigned int w, unsigned int h)
|
||
{
|
||
if (m_context == nullptr)
|
||
return;
|
||
|
||
set_current();
|
||
::glViewport(0, 0, w, h);
|
||
|
||
::glMatrixMode(GL_PROJECTION);
|
||
::glLoadIdentity();
|
||
|
||
BoundingBoxf3 bbox = max_bounding_box();
|
||
|
||
switch (get_camera_type())
|
||
{
|
||
case Camera::CT_Ortho:
|
||
{
|
||
float w2 = w;
|
||
float h2 = h;
|
||
float two_zoom = 2.0f * get_camera_zoom();
|
||
if (two_zoom != 0.0f)
|
||
{
|
||
float inv_two_zoom = 1.0f / two_zoom;
|
||
w2 *= inv_two_zoom;
|
||
h2 *= inv_two_zoom;
|
||
}
|
||
|
||
// FIXME: calculate a tighter value for depth will improve z-fighting
|
||
float depth = 5.0f * (float)bbox.max_size();
|
||
::glOrtho(-w2, w2, -h2, h2, -depth, depth);
|
||
|
||
break;
|
||
}
|
||
case Camera::CT_Perspective:
|
||
{
|
||
float bbox_r = (float)bbox.radius();
|
||
float fov = PI * 45.0f / 180.0f;
|
||
float fov_tan = tan(0.5f * fov);
|
||
float cam_distance = 0.5f * bbox_r / fov_tan;
|
||
set_camera_distance(cam_distance);
|
||
|
||
float nr = cam_distance - bbox_r * 1.1f;
|
||
float fr = cam_distance + bbox_r * 1.1f;
|
||
if (nr < 1.0f)
|
||
nr = 1.0f;
|
||
|
||
if (fr < nr + 1.0f)
|
||
fr = nr + 1.0f;
|
||
|
||
float h2 = fov_tan * nr;
|
||
float w2 = h2 * w / h;
|
||
::glFrustum(-w2, w2, -h2, h2, nr, fr);
|
||
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
throw std::runtime_error("Invalid camera type.");
|
||
break;
|
||
}
|
||
}
|
||
|
||
::glMatrixMode(GL_MODELVIEW);
|
||
|
||
set_dirty(false);
|
||
}
|
||
|
||
GLVolumeCollection* GLCanvas3D::get_volumes()
|
||
{
|
||
return m_volumes;
|
||
}
|
||
|
||
void GLCanvas3D::set_volumes(GLVolumeCollection* volumes)
|
||
{
|
||
m_volumes = volumes;
|
||
}
|
||
|
||
void GLCanvas3D::reset_volumes()
|
||
{
|
||
if (set_current() && (m_volumes != nullptr))
|
||
{
|
||
m_volumes->release_geometry();
|
||
m_volumes->clear();
|
||
set_dirty(true);
|
||
}
|
||
}
|
||
|
||
void GLCanvas3D::deselect_volumes()
|
||
{
|
||
if (m_volumes != nullptr)
|
||
{
|
||
for (GLVolume* vol : m_volumes->volumes)
|
||
{
|
||
if (vol != nullptr)
|
||
vol->selected = false;
|
||
}
|
||
}
|
||
}
|
||
|
||
void GLCanvas3D::select_volume(unsigned int id)
|
||
{
|
||
if ((m_volumes != nullptr) && (id < (unsigned int)m_volumes->volumes.size()))
|
||
{
|
||
GLVolume* vol = m_volumes->volumes[id];
|
||
if (vol != nullptr)
|
||
vol->selected = true;
|
||
}
|
||
}
|
||
|
||
DynamicPrintConfig* GLCanvas3D::get_config()
|
||
{
|
||
return m_config;
|
||
}
|
||
|
||
void GLCanvas3D::set_config(DynamicPrintConfig* config)
|
||
{
|
||
m_config = config;
|
||
}
|
||
|
||
void GLCanvas3D::set_bed_shape(const Pointfs& shape)
|
||
{
|
||
m_bed.set_shape(shape);
|
||
|
||
// Set the origin and size for painting of the coordinate system axes.
|
||
set_axes_origin(Pointf3(0.0, 0.0, (coordf_t)GROUND_Z));
|
||
set_axes_length(0.3f * (float)bed_bounding_box().max_size());
|
||
}
|
||
|
||
void GLCanvas3D::set_auto_bed_shape()
|
||
{
|
||
// draw a default square bed around object center
|
||
const BoundingBoxf3& bbox = volumes_bounding_box();
|
||
coordf_t max_size = bbox.max_size();
|
||
const Pointf3& center = bbox.center();
|
||
|
||
Pointfs bed_shape;
|
||
bed_shape.reserve(4);
|
||
bed_shape.emplace_back(center.x - max_size, center.y - max_size);
|
||
bed_shape.emplace_back(center.x + max_size, center.y - max_size);
|
||
bed_shape.emplace_back(center.x + max_size, center.y + max_size);
|
||
bed_shape.emplace_back(center.x - max_size, center.y + max_size);
|
||
|
||
set_bed_shape(bed_shape);
|
||
|
||
// Set the origin for painting of the coordinate system axes.
|
||
set_axes_origin(Pointf3(center.x, center.y, (coordf_t)GROUND_Z));
|
||
}
|
||
|
||
const Pointf3& GLCanvas3D::get_axes_origin() const
|
||
{
|
||
return m_axes.get_origin();
|
||
}
|
||
|
||
void GLCanvas3D::set_axes_origin(const Pointf3& origin)
|
||
{
|
||
m_axes.set_origin(origin);
|
||
}
|
||
|
||
float GLCanvas3D::get_axes_length() const
|
||
{
|
||
return m_axes.get_length();
|
||
}
|
||
|
||
void GLCanvas3D::set_axes_length(float length)
|
||
{
|
||
return m_axes.set_length(length);
|
||
}
|
||
|
||
void GLCanvas3D::set_cutting_plane(float z, const ExPolygons& polygons)
|
||
{
|
||
m_cutting_plane.set(z, polygons);
|
||
}
|
||
|
||
GLCanvas3D::Camera::EType GLCanvas3D::get_camera_type() const
|
||
{
|
||
return m_camera.get_type();
|
||
}
|
||
|
||
void GLCanvas3D::set_camera_type(GLCanvas3D::Camera::EType type)
|
||
{
|
||
m_camera.set_type(type);
|
||
}
|
||
|
||
std::string GLCanvas3D::get_camera_type_as_string() const
|
||
{
|
||
return m_camera.get_type_as_string();
|
||
}
|
||
|
||
float GLCanvas3D::get_camera_zoom() const
|
||
{
|
||
return m_camera.get_zoom();
|
||
}
|
||
|
||
void GLCanvas3D::set_camera_zoom(float zoom)
|
||
{
|
||
m_camera.set_zoom(zoom);
|
||
}
|
||
|
||
float GLCanvas3D::get_camera_phi() const
|
||
{
|
||
return m_camera.get_phi();
|
||
}
|
||
|
||
void GLCanvas3D::set_camera_phi(float phi)
|
||
{
|
||
m_camera.set_phi(phi);
|
||
}
|
||
|
||
float GLCanvas3D::get_camera_theta() const
|
||
{
|
||
return m_camera.get_theta();
|
||
}
|
||
|
||
void GLCanvas3D::set_camera_theta(float theta)
|
||
{
|
||
m_camera.set_theta(theta);
|
||
}
|
||
|
||
float GLCanvas3D::get_camera_distance() const
|
||
{
|
||
return m_camera.get_distance();
|
||
}
|
||
|
||
void GLCanvas3D::set_camera_distance(float distance)
|
||
{
|
||
m_camera.set_distance(distance);
|
||
}
|
||
|
||
const Pointf3& GLCanvas3D::get_camera_target() const
|
||
{
|
||
return m_camera.get_target();
|
||
}
|
||
|
||
void GLCanvas3D::set_camera_target(const Pointf3& target)
|
||
{
|
||
m_camera.set_target(target);
|
||
}
|
||
|
||
BoundingBoxf3 GLCanvas3D::bed_bounding_box() const
|
||
{
|
||
return m_bed.get_bounding_box();
|
||
}
|
||
|
||
BoundingBoxf3 GLCanvas3D::volumes_bounding_box() const
|
||
{
|
||
BoundingBoxf3 bb;
|
||
if (m_volumes != nullptr)
|
||
{
|
||
for (const GLVolume* volume : m_volumes->volumes)
|
||
{
|
||
if (!m_apply_zoom_to_volumes_filter || ((volume != nullptr) && volume->zoom_to_volumes))
|
||
bb.merge(volume->transformed_bounding_box());
|
||
}
|
||
}
|
||
return bb;
|
||
}
|
||
|
||
BoundingBoxf3 GLCanvas3D::max_bounding_box() const
|
||
{
|
||
BoundingBoxf3 bb = bed_bounding_box();
|
||
bb.merge(volumes_bounding_box());
|
||
return bb;
|
||
}
|
||
|
||
bool GLCanvas3D::is_layers_editing_enabled() const
|
||
{
|
||
return m_layers_editing.is_enabled();
|
||
}
|
||
|
||
bool GLCanvas3D::is_picking_enabled() const
|
||
{
|
||
return m_picking_enabled;
|
||
}
|
||
|
||
bool GLCanvas3D::is_shader_enabled() const
|
||
{
|
||
return m_shader.is_enabled();
|
||
}
|
||
|
||
bool GLCanvas3D::is_multisample_allowed() const
|
||
{
|
||
return m_multisample_allowed;
|
||
}
|
||
|
||
void GLCanvas3D::enable_warning_texture(bool enable)
|
||
{
|
||
m_warning_texture_enabled = enable;
|
||
}
|
||
|
||
void GLCanvas3D::enable_legend_texture(bool enable)
|
||
{
|
||
m_legend_texture_enabled = enable;
|
||
}
|
||
|
||
void GLCanvas3D::enable_picking(bool enable)
|
||
{
|
||
m_picking_enabled = enable;
|
||
}
|
||
|
||
void GLCanvas3D::enable_shader(bool enable)
|
||
{
|
||
m_shader.set_enabled(enable);
|
||
}
|
||
|
||
void GLCanvas3D::allow_multisample(bool allow)
|
||
{
|
||
m_multisample_allowed = allow;
|
||
}
|
||
|
||
bool GLCanvas3D::is_mouse_dragging() const
|
||
{
|
||
return m_mouse.is_dragging();
|
||
}
|
||
|
||
void GLCanvas3D::set_mouse_dragging(bool dragging)
|
||
{
|
||
m_mouse.set_dragging(dragging);
|
||
}
|
||
|
||
const Pointf& GLCanvas3D::get_mouse_position() const
|
||
{
|
||
return m_mouse.get_position();
|
||
}
|
||
|
||
void GLCanvas3D::set_mouse_position(const Pointf& position)
|
||
{
|
||
m_mouse.set_position(position);
|
||
}
|
||
|
||
int GLCanvas3D::get_hover_volume_id() const
|
||
{
|
||
return m_hover_volume_id;
|
||
}
|
||
|
||
void GLCanvas3D::set_hover_volume_id(int id)
|
||
{
|
||
m_hover_volume_id = id;
|
||
}
|
||
|
||
void GLCanvas3D::zoom_to_bed()
|
||
{
|
||
_zoom_to_bounding_box(bed_bounding_box());
|
||
}
|
||
|
||
void GLCanvas3D::zoom_to_volumes()
|
||
{
|
||
m_apply_zoom_to_volumes_filter = true;
|
||
_zoom_to_bounding_box(volumes_bounding_box());
|
||
m_apply_zoom_to_volumes_filter = false;
|
||
}
|
||
|
||
void GLCanvas3D::select_view(const std::string& direction)
|
||
{
|
||
const float* dir_vec = nullptr;
|
||
|
||
if (direction == "iso")
|
||
dir_vec = VIEW_DEFAULT;
|
||
else if (direction == "left")
|
||
dir_vec = VIEW_LEFT;
|
||
else if (direction == "right")
|
||
dir_vec = VIEW_RIGHT;
|
||
else if (direction == "top")
|
||
dir_vec = VIEW_TOP;
|
||
else if (direction == "bottom")
|
||
dir_vec = VIEW_BOTTOM;
|
||
else if (direction == "front")
|
||
dir_vec = VIEW_FRONT;
|
||
else if (direction == "rear")
|
||
dir_vec = VIEW_REAR;
|
||
|
||
if ((dir_vec != nullptr) && !empty(volumes_bounding_box()))
|
||
{
|
||
m_camera.set_phi(dir_vec[0]);
|
||
m_camera.set_theta(dir_vec[1]);
|
||
|
||
m_on_viewport_changed_callback.call();
|
||
|
||
if (m_canvas != nullptr)
|
||
m_canvas->Refresh();
|
||
}
|
||
}
|
||
|
||
bool GLCanvas3D::start_using_shader() const
|
||
{
|
||
return m_shader.start();
|
||
}
|
||
|
||
void GLCanvas3D::stop_using_shader() const
|
||
{
|
||
m_shader.stop();
|
||
}
|
||
|
||
void GLCanvas3D::picking_pass()
|
||
{
|
||
if (is_picking_enabled() && !is_mouse_dragging() && (m_volumes != nullptr))
|
||
{
|
||
// Render the object for picking.
|
||
// FIXME This cannot possibly work in a multi - sampled context as the color gets mangled by the anti - aliasing.
|
||
// Better to use software ray - casting on a bounding - box hierarchy.
|
||
|
||
if (is_multisample_allowed())
|
||
::glDisable(GL_MULTISAMPLE);
|
||
|
||
::glDisable(GL_LIGHTING);
|
||
::glDisable(GL_BLEND);
|
||
|
||
::glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||
|
||
::glPushAttrib(GL_ENABLE_BIT);
|
||
|
||
render_volumes(true);
|
||
|
||
::glPopAttrib();
|
||
|
||
if (is_multisample_allowed())
|
||
::glEnable(GL_MULTISAMPLE);
|
||
|
||
const Size& cnv_size = get_canvas_size();
|
||
|
||
const Pointf& pos = get_mouse_position();
|
||
GLubyte color[4];
|
||
::glReadPixels(pos.x, cnv_size.get_height() - pos.y, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, (void*)color);
|
||
int volume_id = color[0] + color[1] * 256 + color[2] * 256 * 256;
|
||
|
||
set_hover_volume_id(-1);
|
||
|
||
for (GLVolume* vol : m_volumes->volumes)
|
||
{
|
||
vol->hover = false;
|
||
}
|
||
|
||
if (volume_id < m_volumes->volumes.size())
|
||
{
|
||
set_hover_volume_id(volume_id);
|
||
m_volumes->volumes[volume_id]->hover = true;
|
||
int group_id = m_volumes->volumes[volume_id]->select_group_id;
|
||
if (group_id != -1)
|
||
{
|
||
for (GLVolume* vol : m_volumes->volumes)
|
||
{
|
||
if (vol->select_group_id == group_id)
|
||
vol->hover = true;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
void GLCanvas3D::render_background() const
|
||
{
|
||
static const float COLOR[3] = { 10.0f / 255.0f, 98.0f / 255.0f, 144.0f / 255.0f };
|
||
|
||
::glDisable(GL_LIGHTING);
|
||
|
||
::glPushMatrix();
|
||
::glLoadIdentity();
|
||
::glMatrixMode(GL_PROJECTION);
|
||
::glPushMatrix();
|
||
::glLoadIdentity();
|
||
|
||
// Draws a bluish bottom to top gradient over the complete screen.
|
||
::glDisable(GL_DEPTH_TEST);
|
||
|
||
::glBegin(GL_QUADS);
|
||
::glColor3f(0.0f, 0.0f, 0.0f);
|
||
::glVertex3f(-1.0f, -1.0f, 1.0f);
|
||
::glVertex3f(1.0f, -1.0f, 1.0f);
|
||
::glColor3f(COLOR[0], COLOR[1], COLOR[2]);
|
||
::glVertex3f(1.0f, 1.0f, 1.0f);
|
||
::glVertex3f(-1.0f, 1.0f, 1.0f);
|
||
::glEnd();
|
||
|
||
::glEnable(GL_DEPTH_TEST);
|
||
|
||
::glPopMatrix();
|
||
::glMatrixMode(GL_MODELVIEW);
|
||
::glPopMatrix();
|
||
}
|
||
|
||
void GLCanvas3D::render_bed() const
|
||
{
|
||
m_bed.render();
|
||
}
|
||
|
||
void GLCanvas3D::render_axes() const
|
||
{
|
||
m_axes.render();
|
||
}
|
||
|
||
void GLCanvas3D::render_volumes(bool fake_colors) const
|
||
{
|
||
static const float INV_255 = 1.0f / 255.0f;
|
||
|
||
if (m_volumes == nullptr)
|
||
return;
|
||
|
||
if (fake_colors)
|
||
::glDisable(GL_LIGHTING);
|
||
else
|
||
::glEnable(GL_LIGHTING);
|
||
|
||
// do not cull backfaces to show broken geometry, if any
|
||
::glDisable(GL_CULL_FACE);
|
||
|
||
::glEnable(GL_BLEND);
|
||
::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
||
|
||
::glEnableClientState(GL_VERTEX_ARRAY);
|
||
::glEnableClientState(GL_NORMAL_ARRAY);
|
||
|
||
unsigned int volume_id = 0;
|
||
for (GLVolume* vol : m_volumes->volumes)
|
||
{
|
||
if (fake_colors)
|
||
{
|
||
// Object picking mode. Render the object with a color encoding the object index.
|
||
unsigned int r = (volume_id & 0x000000FF) >> 0;
|
||
unsigned int g = (volume_id & 0x0000FF00) >> 8;
|
||
unsigned int b = (volume_id & 0x00FF0000) >> 16;
|
||
::glColor4f((float)r * INV_255, (float)g * INV_255, (float)b * INV_255, 1.0f);
|
||
}
|
||
else
|
||
{
|
||
vol->set_render_color();
|
||
::glColor4f(vol->render_color[0], vol->render_color[1], vol->render_color[2], vol->render_color[3]);
|
||
}
|
||
|
||
vol->render();
|
||
++volume_id;
|
||
}
|
||
|
||
::glDisableClientState(GL_NORMAL_ARRAY);
|
||
::glDisableClientState(GL_VERTEX_ARRAY);
|
||
::glDisable(GL_BLEND);
|
||
|
||
::glEnable(GL_CULL_FACE);
|
||
}
|
||
|
||
void GLCanvas3D::render_objects(bool useVBOs)
|
||
{
|
||
if (m_volumes == nullptr)
|
||
return;
|
||
|
||
::glEnable(GL_LIGHTING);
|
||
|
||
if (!is_shader_enabled())
|
||
render_volumes(false);
|
||
else if (useVBOs)
|
||
{
|
||
if (is_picking_enabled())
|
||
{
|
||
m_on_mark_volumes_for_layer_height_callback.call();
|
||
|
||
if (m_config != nullptr)
|
||
{
|
||
const BoundingBoxf3& bed_bb = bed_bounding_box();
|
||
m_volumes->set_print_box((float)bed_bb.min.x, (float)bed_bb.min.y, 0.0f, (float)bed_bb.max.x, (float)bed_bb.max.y, (float)m_config->opt_float("max_print_height"));
|
||
m_volumes->check_outside_state(m_config);
|
||
}
|
||
// do not cull backfaces to show broken geometry, if any
|
||
::glDisable(GL_CULL_FACE);
|
||
}
|
||
|
||
start_using_shader();
|
||
m_volumes->render_VBOs();
|
||
stop_using_shader();
|
||
|
||
if (is_picking_enabled())
|
||
::glEnable(GL_CULL_FACE);
|
||
}
|
||
else
|
||
{
|
||
// do not cull backfaces to show broken geometry, if any
|
||
if (is_picking_enabled())
|
||
::glDisable(GL_CULL_FACE);
|
||
|
||
m_volumes->render_legacy();
|
||
|
||
if (is_picking_enabled())
|
||
::glEnable(GL_CULL_FACE);
|
||
}
|
||
}
|
||
|
||
void GLCanvas3D::render_cutting_plane() const
|
||
{
|
||
m_cutting_plane.render(volumes_bounding_box());
|
||
}
|
||
|
||
void GLCanvas3D::render_warning_texture() const
|
||
{
|
||
if (!m_warning_texture_enabled)
|
||
return;
|
||
|
||
// If the warning texture has not been loaded into the GPU, do it now.
|
||
unsigned int tex_id = _3DScene::finalize_warning_texture();
|
||
if (tex_id > 0)
|
||
{
|
||
unsigned int w = _3DScene::get_warning_texture_width();
|
||
unsigned int h = _3DScene::get_warning_texture_height();
|
||
if ((w > 0) && (h > 0))
|
||
{
|
||
::glDisable(GL_DEPTH_TEST);
|
||
::glPushMatrix();
|
||
::glLoadIdentity();
|
||
|
||
const Size& cnv_size = get_canvas_size();
|
||
float zoom = get_camera_zoom();
|
||
float inv_zoom = (zoom != 0.0f) ? 1.0f / zoom : 0.0f;
|
||
float l = (-0.5f * (float)w) * inv_zoom;
|
||
float t = (-0.5f * (float)cnv_size.get_height() + (float)h) * inv_zoom;
|
||
float r = l + (float)w * inv_zoom;
|
||
float b = t - (float)h * inv_zoom;
|
||
|
||
render_texture(tex_id, l, r, b, t);
|
||
|
||
::glPopMatrix();
|
||
::glEnable(GL_DEPTH_TEST);
|
||
}
|
||
}
|
||
}
|
||
|
||
void GLCanvas3D::render_legend_texture() const
|
||
{
|
||
if (!m_legend_texture_enabled)
|
||
return;
|
||
|
||
// If the legend texture has not been loaded into the GPU, do it now.
|
||
unsigned int tex_id = _3DScene::finalize_legend_texture();
|
||
if (tex_id > 0)
|
||
{
|
||
unsigned int w = _3DScene::get_legend_texture_width();
|
||
unsigned int h = _3DScene::get_legend_texture_height();
|
||
if ((w > 0) && (h > 0))
|
||
{
|
||
::glDisable(GL_DEPTH_TEST);
|
||
::glPushMatrix();
|
||
::glLoadIdentity();
|
||
|
||
const Size& cnv_size = get_canvas_size();
|
||
float zoom = get_camera_zoom();
|
||
float inv_zoom = (zoom != 0.0f) ? 1.0f / zoom : 0.0f;
|
||
float l = (-0.5f * (float)cnv_size.get_width()) * inv_zoom;
|
||
float t = (0.5f * (float)cnv_size.get_height()) * inv_zoom;
|
||
float r = l + (float)w * inv_zoom;
|
||
float b = t - (float)h * inv_zoom;
|
||
render_texture(tex_id, l, r, b, t);
|
||
|
||
::glPopMatrix();
|
||
::glEnable(GL_DEPTH_TEST);
|
||
}
|
||
}
|
||
}
|
||
|
||
void GLCanvas3D::render_layer_editing_textures(const PrintObject& print_object) const
|
||
{
|
||
m_layers_editing.render(*this, print_object);
|
||
}
|
||
|
||
void GLCanvas3D::render_texture(unsigned int tex_id, float left, float right, float bottom, float top) const
|
||
{
|
||
::glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
|
||
|
||
::glDisable(GL_LIGHTING);
|
||
::glEnable(GL_BLEND);
|
||
::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
||
::glEnable(GL_TEXTURE_2D);
|
||
|
||
::glBindTexture(GL_TEXTURE_2D, (GLuint)tex_id);
|
||
|
||
::glBegin(GL_QUADS);
|
||
::glTexCoord2d(0.0f, 1.0f); glVertex3f(left, bottom, 0.0f);
|
||
::glTexCoord2d(1.0f, 1.0f); glVertex3f(right, bottom, 0.0f);
|
||
::glTexCoord2d(1.0f, 0.0f); glVertex3f(right, top, 0.0f);
|
||
::glTexCoord2d(0.0f, 0.0f); glVertex3f(left, top, 0.0f);
|
||
::glEnd();
|
||
|
||
::glBindTexture(GL_TEXTURE_2D, 0);
|
||
|
||
::glDisable(GL_TEXTURE_2D);
|
||
::glDisable(GL_BLEND);
|
||
::glEnable(GL_LIGHTING);
|
||
}
|
||
|
||
void GLCanvas3D::register_on_viewport_changed_callback(void* callback)
|
||
{
|
||
if (callback != nullptr)
|
||
m_on_viewport_changed_callback.register_callback(callback);
|
||
}
|
||
|
||
void GLCanvas3D::register_on_mark_volumes_for_layer_height_callback(void* callback)
|
||
{
|
||
if (callback != nullptr)
|
||
m_on_mark_volumes_for_layer_height_callback.register_callback(callback);
|
||
}
|
||
|
||
void GLCanvas3D::on_size(wxSizeEvent& evt)
|
||
{
|
||
set_dirty(true);
|
||
}
|
||
|
||
void GLCanvas3D::on_idle(wxIdleEvent& evt)
|
||
{
|
||
if (!is_dirty() || !is_shown_on_screen())
|
||
return;
|
||
|
||
if (m_canvas != nullptr)
|
||
{
|
||
const Size& cnv_size = get_canvas_size();
|
||
resize((unsigned int)cnv_size.get_width(), (unsigned int)cnv_size.get_height());
|
||
m_canvas->Refresh();
|
||
}
|
||
}
|
||
|
||
void GLCanvas3D::on_char(wxKeyEvent& evt)
|
||
{
|
||
if (evt.HasModifiers())
|
||
evt.Skip();
|
||
else
|
||
{
|
||
int keyCode = evt.GetKeyCode();
|
||
switch (keyCode - 48)
|
||
{
|
||
// numerical input
|
||
case 0: { select_view("iso"); break; }
|
||
case 1: { select_view("top"); break; }
|
||
case 2: { select_view("bottom"); break; }
|
||
case 3: { select_view("front"); break; }
|
||
case 4: { select_view("rear"); break; }
|
||
case 5: { select_view("left"); break; }
|
||
case 6: { select_view("right"); break; }
|
||
default:
|
||
{
|
||
// text input
|
||
switch (keyCode)
|
||
{
|
||
// key B/b
|
||
case 66:
|
||
case 98: { zoom_to_bed(); break; }
|
||
// key Z/z
|
||
case 90:
|
||
case 122: { zoom_to_volumes(); break; }
|
||
default: { evt.Skip(); break; }
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
Size GLCanvas3D::get_canvas_size() const
|
||
{
|
||
int w = 0;
|
||
int h = 0;
|
||
|
||
if (m_canvas != nullptr)
|
||
m_canvas->GetSize(&w, &h);
|
||
|
||
return Size(w, h);
|
||
}
|
||
|
||
void GLCanvas3D::_zoom_to_bounding_box(const BoundingBoxf3& bbox)
|
||
{
|
||
// Calculate the zoom factor needed to adjust viewport to bounding box.
|
||
float zoom = _get_zoom_to_bounding_box_factor(bbox);
|
||
if (zoom > 0.0f)
|
||
{
|
||
set_camera_zoom(zoom);
|
||
// center view around bounding box center
|
||
set_camera_target(bbox.center());
|
||
|
||
m_on_viewport_changed_callback.call();
|
||
|
||
if (is_shown_on_screen())
|
||
{
|
||
const Size& cnv_size = get_canvas_size();
|
||
resize((unsigned int)cnv_size.get_width(), (unsigned int)cnv_size.get_height());
|
||
if (m_canvas != nullptr)
|
||
m_canvas->Refresh();
|
||
}
|
||
}
|
||
}
|
||
|
||
float GLCanvas3D::_get_zoom_to_bounding_box_factor(const BoundingBoxf3& bbox) const
|
||
{
|
||
float max_bb_size = bbox.max_size();
|
||
if (max_bb_size == 0.0f)
|
||
return -1.0f;
|
||
|
||
// project the bbox vertices on a plane perpendicular to the camera forward axis
|
||
// then calculates the vertices coordinate on this plane along the camera xy axes
|
||
|
||
// we need the view matrix, we let opengl calculate it(same as done in render sub)
|
||
::glMatrixMode(GL_MODELVIEW);
|
||
::glLoadIdentity();
|
||
|
||
if (TURNTABLE_MODE)
|
||
{
|
||
// Turntable mode is enabled by default.
|
||
::glRotatef(-get_camera_theta(), 1.0f, 0.0f, 0.0f); //<2F>pitch
|
||
::glRotatef(get_camera_phi(), 0.0f, 0.0f, 1.0f); // yaw
|
||
}
|
||
else
|
||
{
|
||
// Shift the perspective camera.
|
||
Pointf3 camera_pos(0.0, 0.0, -(coordf_t)get_camera_distance());
|
||
::glTranslatef((float)camera_pos.x, (float)camera_pos.y, (float)camera_pos.z);
|
||
// my @rotmat = quat_to_rotmatrix($self->quat); <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< TEMPORARY COMMENTED OUT
|
||
// glMultMatrixd_p(@rotmat[0..15]); <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< TEMPORARY COMMENTED OUT
|
||
}
|
||
|
||
const Pointf3& target = get_camera_target();
|
||
::glTranslatef(-(float)target.x, -(float)target.y, -(float)target.z);
|
||
|
||
// get the view matrix back from opengl
|
||
GLfloat matrix[16];
|
||
::glGetFloatv(GL_MODELVIEW_MATRIX, matrix);
|
||
|
||
// camera axes
|
||
Pointf3 right((coordf_t)matrix[0], (coordf_t)matrix[4], (coordf_t)matrix[8]);
|
||
Pointf3 up((coordf_t)matrix[1], (coordf_t)matrix[5], (coordf_t)matrix[9]);
|
||
Pointf3 forward((coordf_t)matrix[2], (coordf_t)matrix[6], (coordf_t)matrix[10]);
|
||
|
||
Pointf3 bb_min = bbox.min;
|
||
Pointf3 bb_max = bbox.max;
|
||
Pointf3 bb_center = bbox.center();
|
||
|
||
// bbox vertices in world space
|
||
std::vector<Pointf3> vertices;
|
||
vertices.reserve(8);
|
||
vertices.push_back(bb_min);
|
||
vertices.emplace_back(bb_max.x, bb_min.y, bb_min.z);
|
||
vertices.emplace_back(bb_max.x, bb_max.y, bb_min.z);
|
||
vertices.emplace_back(bb_min.x, bb_max.y, bb_min.z);
|
||
vertices.emplace_back(bb_min.x, bb_min.y, bb_max.z);
|
||
vertices.emplace_back(bb_max.x, bb_min.y, bb_max.z);
|
||
vertices.push_back(bb_max);
|
||
vertices.emplace_back(bb_min.x, bb_max.y, bb_max.z);
|
||
|
||
coordf_t max_x = 0.0;
|
||
coordf_t max_y = 0.0;
|
||
|
||
// margin factor to give some empty space around the bbox
|
||
coordf_t margin_factor = 1.25;
|
||
|
||
for (const Pointf3 v : vertices)
|
||
{
|
||
// project vertex on the plane perpendicular to camera forward axis
|
||
Pointf3 pos(v.x - bb_center.x, v.y - bb_center.y, v.z - bb_center.z);
|
||
Pointf3 proj_on_plane = pos - dot(pos, forward) * forward;
|
||
|
||
// calculates vertex coordinate along camera xy axes
|
||
coordf_t x_on_plane = dot(proj_on_plane, right);
|
||
coordf_t y_on_plane = dot(proj_on_plane, up);
|
||
|
||
max_x = std::max(max_x, margin_factor * std::abs(x_on_plane));
|
||
max_y = std::max(max_y, margin_factor * std::abs(y_on_plane));
|
||
}
|
||
|
||
if ((max_x == 0.0) || (max_y == 0.0))
|
||
return -1.0f;
|
||
|
||
max_x *= 2.0;
|
||
max_y *= 2.0;
|
||
|
||
const Size& cnv_size = get_canvas_size();
|
||
return (float)std::min((coordf_t)cnv_size.get_width() / max_x, (coordf_t)cnv_size.get_height() / max_y);
|
||
}
|
||
|
||
void GLCanvas3D::_deregister_callbacks()
|
||
{
|
||
m_on_viewport_changed_callback.deregister_callback();
|
||
m_on_mark_volumes_for_layer_height_callback.deregister_callback();
|
||
}
|
||
|
||
} // namespace GUI
|
||
} // namespace Slic3r
|