277 lines
7.4 KiB
C++
277 lines
7.4 KiB
C++
#include "GLGizmoBase.hpp"
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#include "slic3r/GUI/GLCanvas3D.hpp"
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#include <GL/glew.h>
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#include "slic3r/GUI/GUI_App.hpp"
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// TODO: Display tooltips quicker on Linux
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namespace Slic3r {
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namespace GUI {
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const float GLGizmoBase::Grabber::SizeFactor = 0.05f;
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const float GLGizmoBase::Grabber::MinHalfSize = 1.5f;
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const float GLGizmoBase::Grabber::DraggingScaleFactor = 1.25f;
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GLGizmoBase::Grabber::Grabber()
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: center(Vec3d::Zero())
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, angles(Vec3d::Zero())
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, dragging(false)
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, enabled(true)
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{
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color[0] = 1.0f;
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color[1] = 1.0f;
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color[2] = 1.0f;
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}
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void GLGizmoBase::Grabber::render(bool hover, float size) const
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{
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float render_color[3];
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if (hover)
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{
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render_color[0] = 1.0f - color[0];
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render_color[1] = 1.0f - color[1];
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render_color[2] = 1.0f - color[2];
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}
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else
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::memcpy((void*)render_color, (const void*)color, 3 * sizeof(float));
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render(size, render_color, true);
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}
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float GLGizmoBase::Grabber::get_half_size(float size) const
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{
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return std::max(size * SizeFactor, MinHalfSize);
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}
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float GLGizmoBase::Grabber::get_dragging_half_size(float size) const
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{
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return get_half_size(size) * DraggingScaleFactor;
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}
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void GLGizmoBase::Grabber::render(float size, const float* render_color, bool use_lighting) const
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{
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float half_size = dragging ? get_dragging_half_size(size) : get_half_size(size);
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if (use_lighting)
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glsafe(::glEnable(GL_LIGHTING));
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glsafe(::glColor3fv(render_color));
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glsafe(::glPushMatrix());
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glsafe(::glTranslated(center(0), center(1), center(2)));
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glsafe(::glRotated(Geometry::rad2deg(angles(2)), 0.0, 0.0, 1.0));
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glsafe(::glRotated(Geometry::rad2deg(angles(1)), 0.0, 1.0, 0.0));
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glsafe(::glRotated(Geometry::rad2deg(angles(0)), 1.0, 0.0, 0.0));
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// face min x
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glsafe(::glPushMatrix());
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glsafe(::glTranslatef(-(GLfloat)half_size, 0.0f, 0.0f));
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glsafe(::glRotatef(-90.0f, 0.0f, 1.0f, 0.0f));
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render_face(half_size);
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glsafe(::glPopMatrix());
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// face max x
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glsafe(::glPushMatrix());
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glsafe(::glTranslatef((GLfloat)half_size, 0.0f, 0.0f));
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glsafe(::glRotatef(90.0f, 0.0f, 1.0f, 0.0f));
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render_face(half_size);
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glsafe(::glPopMatrix());
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// face min y
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glsafe(::glPushMatrix());
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glsafe(::glTranslatef(0.0f, -(GLfloat)half_size, 0.0f));
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glsafe(::glRotatef(90.0f, 1.0f, 0.0f, 0.0f));
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render_face(half_size);
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glsafe(::glPopMatrix());
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// face max y
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glsafe(::glPushMatrix());
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glsafe(::glTranslatef(0.0f, (GLfloat)half_size, 0.0f));
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glsafe(::glRotatef(-90.0f, 1.0f, 0.0f, 0.0f));
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render_face(half_size);
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glsafe(::glPopMatrix());
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// face min z
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glsafe(::glPushMatrix());
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glsafe(::glTranslatef(0.0f, 0.0f, -(GLfloat)half_size));
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glsafe(::glRotatef(180.0f, 1.0f, 0.0f, 0.0f));
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render_face(half_size);
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glsafe(::glPopMatrix());
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// face max z
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glsafe(::glPushMatrix());
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glsafe(::glTranslatef(0.0f, 0.0f, (GLfloat)half_size));
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render_face(half_size);
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glsafe(::glPopMatrix());
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glsafe(::glPopMatrix());
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if (use_lighting)
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glsafe(::glDisable(GL_LIGHTING));
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}
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void GLGizmoBase::Grabber::render_face(float half_size) const
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{
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::glBegin(GL_TRIANGLES);
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::glNormal3f(0.0f, 0.0f, 1.0f);
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::glVertex3f(-(GLfloat)half_size, -(GLfloat)half_size, 0.0f);
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::glVertex3f((GLfloat)half_size, -(GLfloat)half_size, 0.0f);
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::glVertex3f((GLfloat)half_size, (GLfloat)half_size, 0.0f);
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::glVertex3f((GLfloat)half_size, (GLfloat)half_size, 0.0f);
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::glVertex3f(-(GLfloat)half_size, (GLfloat)half_size, 0.0f);
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::glVertex3f(-(GLfloat)half_size, -(GLfloat)half_size, 0.0f);
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glsafe(::glEnd());
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}
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#if ENABLE_SVG_ICONS
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GLGizmoBase::GLGizmoBase(GLCanvas3D& parent, const std::string& icon_filename, unsigned int sprite_id)
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#else
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GLGizmoBase::GLGizmoBase(GLCanvas3D& parent, unsigned int sprite_id)
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#endif // ENABLE_SVG_ICONS
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: m_parent(parent)
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, m_group_id(-1)
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, m_state(Off)
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, m_shortcut_key(0)
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#if ENABLE_SVG_ICONS
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, m_icon_filename(icon_filename)
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#endif // ENABLE_SVG_ICONS
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, m_sprite_id(sprite_id)
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, m_hover_id(-1)
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, m_dragging(false)
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, m_imgui(wxGetApp().imgui())
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{
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::memcpy((void*)m_base_color, (const void*)DEFAULT_BASE_COLOR, 3 * sizeof(float));
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::memcpy((void*)m_drag_color, (const void*)DEFAULT_DRAG_COLOR, 3 * sizeof(float));
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::memcpy((void*)m_highlight_color, (const void*)DEFAULT_HIGHLIGHT_COLOR, 3 * sizeof(float));
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}
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void GLGizmoBase::set_hover_id(int id)
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{
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if (m_grabbers.empty() || (id < (int)m_grabbers.size()))
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{
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m_hover_id = id;
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on_set_hover_id();
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}
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}
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void GLGizmoBase::set_highlight_color(const float* color)
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{
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if (color != nullptr)
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::memcpy((void*)m_highlight_color, (const void*)color, 3 * sizeof(float));
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}
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void GLGizmoBase::enable_grabber(unsigned int id)
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{
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if ((0 <= id) && (id < (unsigned int)m_grabbers.size()))
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m_grabbers[id].enabled = true;
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on_enable_grabber(id);
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}
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void GLGizmoBase::disable_grabber(unsigned int id)
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{
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if ((0 <= id) && (id < (unsigned int)m_grabbers.size()))
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m_grabbers[id].enabled = false;
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on_disable_grabber(id);
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}
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void GLGizmoBase::start_dragging(const Selection& selection)
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{
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m_dragging = true;
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for (int i = 0; i < (int)m_grabbers.size(); ++i)
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{
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m_grabbers[i].dragging = (m_hover_id == i);
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}
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on_start_dragging(selection);
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}
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void GLGizmoBase::stop_dragging()
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{
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m_dragging = false;
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for (int i = 0; i < (int)m_grabbers.size(); ++i)
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{
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m_grabbers[i].dragging = false;
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}
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on_stop_dragging();
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}
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void GLGizmoBase::update(const UpdateData& data, const Selection& selection)
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{
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if (m_hover_id != -1)
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on_update(data, selection);
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}
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std::array<float, 3> GLGizmoBase::picking_color_component(unsigned int id) const
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{
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static const float INV_255 = 1.0f / 255.0f;
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id = BASE_ID - id;
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if (m_group_id > -1)
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id -= m_group_id;
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// color components are encoded to match the calculation of volume_id made into GLCanvas3D::_picking_pass()
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return std::array<float, 3> { (float)((id >> 0) & 0xff) * INV_255, // red
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(float)((id >> 8) & 0xff) * INV_255, // green
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(float)((id >> 16) & 0xff) * INV_255 }; // blue
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}
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void GLGizmoBase::render_grabbers(const BoundingBoxf3& box) const
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{
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render_grabbers((float)((box.size()(0) + box.size()(1) + box.size()(2)) / 3.0));
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}
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void GLGizmoBase::render_grabbers(float size) const
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{
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for (int i = 0; i < (int)m_grabbers.size(); ++i)
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{
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if (m_grabbers[i].enabled)
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m_grabbers[i].render((m_hover_id == i), size);
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}
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}
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void GLGizmoBase::render_grabbers_for_picking(const BoundingBoxf3& box) const
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{
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float mean_size = (float)((box.size()(0) + box.size()(1) + box.size()(2)) / 3.0);
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for (unsigned int i = 0; i < (unsigned int)m_grabbers.size(); ++i)
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{
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if (m_grabbers[i].enabled)
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{
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std::array<float, 3> color = picking_color_component(i);
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m_grabbers[i].color[0] = color[0];
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m_grabbers[i].color[1] = color[1];
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m_grabbers[i].color[2] = color[2];
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m_grabbers[i].render_for_picking(mean_size);
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}
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}
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}
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void GLGizmoBase::set_tooltip(const std::string& tooltip) const
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{
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m_parent.set_tooltip(tooltip);
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}
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std::string GLGizmoBase::format(float value, unsigned int decimals) const
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{
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return Slic3r::string_printf("%.*f", decimals, value);
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}
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} // namespace GUI
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} // namespace Slic3r
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