48c186331a
GUI_App.hpp (should not include) MainFrame.hpp MainFrame.hpp Plater.hpp ModelArrange.hpp Model.hpp Slicing.hpp PrintConfig.hpp FillBase.hpp PrintConfig.hpp GUI_App.hpp PrintConfig.hpp OptionsGroup.hpp GUI_App.hpp
125 lines
4.2 KiB
C++
125 lines
4.2 KiB
C++
#include "GLSelectionRectangle.hpp"
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#include "Camera.hpp"
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#include "3DScene.hpp"
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#include "GLCanvas3D.hpp"
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#include "GUI_App.hpp"
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#include "Plater.hpp"
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#include <GL/glew.h>
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namespace Slic3r {
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namespace GUI {
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void GLSelectionRectangle::start_dragging(const Vec2d& mouse_position, EState state)
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{
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if (is_dragging() || (state == Off))
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return;
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m_state = state;
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m_start_corner = mouse_position;
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m_end_corner = mouse_position;
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}
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void GLSelectionRectangle::dragging(const Vec2d& mouse_position)
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{
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if (!is_dragging())
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return;
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m_end_corner = mouse_position;
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}
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std::vector<unsigned int> GLSelectionRectangle::stop_dragging(const GLCanvas3D& canvas, const std::vector<Vec3d>& points)
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{
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std::vector<unsigned int> out;
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if (!is_dragging())
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return out;
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m_state = Off;
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const Camera& camera = wxGetApp().plater()->get_camera();
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const std::array<int, 4>& viewport = camera.get_viewport();
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const Transform3d& modelview_matrix = camera.get_view_matrix();
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const Transform3d& projection_matrix = camera.get_projection_matrix();
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// bounding box created from the rectangle corners - will take care of order of the corners
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BoundingBox rectangle(Points{ Point(m_start_corner.cast<coord_t>()), Point(m_end_corner.cast<coord_t>()) });
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// Iterate over all points and determine whether they're in the rectangle.
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for (unsigned int i = 0; i<points.size(); ++i) {
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const Vec3d& point = points[i];
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GLdouble out_x, out_y, out_z;
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::gluProject((GLdouble)point(0), (GLdouble)point(1), (GLdouble)point(2), (GLdouble*)modelview_matrix.data(), (GLdouble*)projection_matrix.data(), (GLint*)viewport.data(), &out_x, &out_y, &out_z);
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out_y = canvas.get_canvas_size().get_height() - out_y;
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if (rectangle.contains(Point(out_x, out_y)))
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out.push_back(i);
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}
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return out;
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}
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void GLSelectionRectangle::stop_dragging()
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{
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if (is_dragging())
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m_state = Off;
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}
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void GLSelectionRectangle::render(const GLCanvas3D& canvas) const
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{
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if (!is_dragging())
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return;
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const Camera& camera = wxGetApp().plater()->get_camera();
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float inv_zoom = (float)camera.get_inv_zoom();
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Size cnv_size = canvas.get_canvas_size();
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float cnv_half_width = 0.5f * (float)cnv_size.get_width();
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float cnv_half_height = 0.5f * (float)cnv_size.get_height();
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if ((cnv_half_width == 0.0f) || (cnv_half_height == 0.0f))
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return;
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Vec2d start(m_start_corner(0) - cnv_half_width, cnv_half_height - m_start_corner(1));
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Vec2d end(m_end_corner(0) - cnv_half_width, cnv_half_height - m_end_corner(1));
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float left = (float)std::min(start(0), end(0)) * inv_zoom;
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float top = (float)std::max(start(1), end(1)) * inv_zoom;
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float right = (float)std::max(start(0), end(0)) * inv_zoom;
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float bottom = (float)std::min(start(1), end(1)) * inv_zoom;
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glsafe(::glLineWidth(1.5f));
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float color[3];
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color[0] = (m_state == Select) ? 0.3f : 1.0f;
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color[1] = (m_state == Select) ? 1.0f : 0.3f;
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color[2] = 0.3f;
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glsafe(::glColor3fv(color));
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glsafe(::glDisable(GL_DEPTH_TEST));
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glsafe(::glPushMatrix());
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glsafe(::glLoadIdentity());
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// ensure that the rectangle is renderered inside the frustrum
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glsafe(::glTranslated(0.0, 0.0, -(camera.get_near_z() + 0.5)));
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// ensure that the overlay fits the frustrum near z plane
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double gui_scale = camera.get_gui_scale();
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glsafe(::glScaled(gui_scale, gui_scale, 1.0));
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glsafe(::glPushAttrib(GL_ENABLE_BIT));
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glsafe(::glLineStipple(4, 0xAAAA));
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glsafe(::glEnable(GL_LINE_STIPPLE));
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::glBegin(GL_LINE_LOOP);
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::glVertex2f((GLfloat)left, (GLfloat)bottom);
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::glVertex2f((GLfloat)right, (GLfloat)bottom);
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::glVertex2f((GLfloat)right, (GLfloat)top);
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::glVertex2f((GLfloat)left, (GLfloat)top);
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glsafe(::glEnd());
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glsafe(::glPopAttrib());
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glsafe(::glPopMatrix());
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}
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} // namespace GUI
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} // namespace Slic3r
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