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PrusaSlicer/src/slic3r/GUI/Gizmos/GLGizmoMeasure.cpp

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// Include GLGizmoBase.hpp before I18N.hpp as it includes some libigl code, which overrides our localization "L" macro.
#include "GLGizmoMeasure.hpp"
#include "slic3r/GUI/GLCanvas3D.hpp"
#include "slic3r/GUI/GUI_App.hpp"
#include "slic3r/GUI/Plater.hpp"
#include "slic3r/GUI/GUI_ObjectManipulation.hpp"
#include "slic3r/GUI/Gizmos/GLGizmosCommon.hpp"
#include "libslic3r/Model.hpp"
#include "libslic3r/PresetBundle.hpp"
#include <imgui/imgui_internal.h>
#include <numeric>
#include <GL/glew.h>
#include <wx/clipbrd.h>
#if ENABLE_MEASURE_GIZMO
namespace Slic3r {
namespace GUI {
static const Slic3r::ColorRGBA SELECTED_1ST_COLOR = { 0.25f, 0.75f, 0.75f, 1.0f };
static const Slic3r::ColorRGBA SELECTED_2ND_COLOR = { 0.75f, 0.25f, 0.75f, 1.0f };
static const int POINT_ID = 100;
static const int EDGE_ID = 200;
static const int CIRCLE_ID = 300;
static const int PLANE_ID = 400;
static const int SELECTION_1_ID = 501;
static const int SELECTION_2_ID = 502;
static const float TRIANGLE_BASE = 10.0f;
static const float TRIANGLE_HEIGHT = TRIANGLE_BASE * 1.618033f;
static const std::string CTRL_STR =
#ifdef __APPLE__
"⌘"
#else
"Ctrl"
#endif //__APPLE__
;
static std::string format_double(double value)
{
char buf[1024];
sprintf(buf, "%.3f", value);
return std::string(buf);
}
static std::string format_vec3(const Vec3d& v)
{
char buf[1024];
sprintf(buf, "X: %.3f, Y: %.3f, Z: %.3f", v.x(), v.y(), v.z());
return std::string(buf);
}
static std::string surface_feature_type_as_string(Measure::SurfaceFeatureType type)
{
switch (type)
{
default:
case Measure::SurfaceFeatureType::Undef: { return _u8L("Undefined"); }
case Measure::SurfaceFeatureType::Point: { return _u8L("Vertex"); }
case Measure::SurfaceFeatureType::Edge: { return _u8L("Edge"); }
case Measure::SurfaceFeatureType::Circle: { return _u8L("Circle"); }
case Measure::SurfaceFeatureType::Plane: { return _u8L("Plane"); }
}
}
static std::string point_on_feature_type_as_string(Measure::SurfaceFeatureType type, int hover_id)
{
std::string ret;
switch (type) {
case Measure::SurfaceFeatureType::Point: { ret = _u8L("Vertex"); break; }
case Measure::SurfaceFeatureType::Edge: { ret = (hover_id == POINT_ID) ? _u8L("Center of edge") : _u8L("Point on edge"); break; }
case Measure::SurfaceFeatureType::Circle: { ret = (hover_id == POINT_ID) ? _u8L("Center of circle") : _u8L("Point on circle"); break; }
case Measure::SurfaceFeatureType::Plane: { ret = _u8L("Point on plane"); break; }
default: { assert(false); break; }
}
return ret;
}
static GLModel::Geometry init_plane_data(const indexed_triangle_set& its, const std::vector<std::vector<int>>& planes_triangles, int idx)
{
assert(0 <= idx && idx < (int)planes_triangles.size());
const std::vector<int>& triangle_indices = planes_triangles[idx];
GLModel::Geometry init_data;
init_data.format = { GUI::GLModel::Geometry::EPrimitiveType::Triangles, GLModel::Geometry::EVertexLayout::P3N3 };
unsigned int i = 0;
for (int idx : triangle_indices) {
const Vec3f& v0 = its.vertices[its.indices[idx][0]];
const Vec3f& v1 = its.vertices[its.indices[idx][1]];
const Vec3f& v2 = its.vertices[its.indices[idx][2]];
const Vec3f n = (v1 - v0).cross(v2 - v0).normalized();
init_data.add_vertex(v0, n);
init_data.add_vertex(v1, n);
init_data.add_vertex(v2, n);
init_data.add_triangle(i, i + 1, i + 2);
i += 3;
}
return init_data;
}
GLGizmoMeasure::GLGizmoMeasure(GLCanvas3D& parent, const std::string& icon_filename, unsigned int sprite_id)
: GLGizmoBase(parent, icon_filename, sprite_id)
{
GLModel::Geometry sphere_geometry = smooth_sphere(16, 7.5f);
m_sphere.mesh_raycaster = std::make_unique<MeshRaycaster>(std::make_shared<const TriangleMesh>(sphere_geometry.get_as_indexed_triangle_set()));
m_sphere.model.init_from(std::move(sphere_geometry));
GLModel::Geometry cylinder_geometry = smooth_cylinder(16, 5.0f, 1.0f);
m_cylinder.mesh_raycaster = std::make_unique<MeshRaycaster>(std::make_shared<const TriangleMesh>(cylinder_geometry.get_as_indexed_triangle_set()));
m_cylinder.model.init_from(std::move(cylinder_geometry));
}
bool GLGizmoMeasure::on_mouse(const wxMouseEvent &mouse_event)
{
m_mouse_pos = { double(mouse_event.GetX()), double(mouse_event.GetY()) };
if (mouse_event.Moving()) {
// only for sure
m_mouse_left_down = false;
return false;
}
else if (mouse_event.LeftDown()) {
if (m_hover_id != -1) {
SelectedFeatures selected_features_old = m_selected_features;
m_mouse_left_down = true;
auto item_from_feature = [this]() {
SelectedFeatures::Item item;
if (m_hover_id == SELECTION_1_ID && m_selected_features.first.feature.has_value())
item = m_selected_features.first;
else if (m_hover_id == SELECTION_2_ID && m_selected_features.second.feature.has_value())
item = m_selected_features.second;
else {
item = {
(m_mode == EMode::ExtendedSelection) ? point_on_feature_type_as_string(m_curr_feature->get_type(), m_hover_id) : surface_feature_type_as_string(m_curr_feature->get_type()),
(m_mode == EMode::ExtendedSelection) ? Measure::SurfaceFeature(*m_curr_point_on_feature_position) : m_curr_feature
};
}
return item;
};
if (m_selected_features.first.feature.has_value()) {
auto it = std::find_if(m_selection_raycasters.begin(), m_selection_raycasters.end(),
[](std::shared_ptr<SceneRaycasterItem> item) { return SceneRaycaster::decode_id(SceneRaycaster::EType::Gizmo, item->get_id()) == SELECTION_2_ID; });
if (it != m_selection_raycasters.end())
m_selection_raycasters.erase(it);
m_parent.remove_raycasters_for_picking(SceneRaycaster::EType::Gizmo, SELECTION_2_ID);
const SelectedFeatures::Item item = item_from_feature();
if (m_selected_features.first != item) {
if (m_selected_features.second == item)
m_selected_features.second.reset();
else {
m_selected_features.second = item;
if (m_mode == EMode::ExtendedSelection)
m_selection_raycasters.push_back(m_parent.add_raycaster_for_picking(SceneRaycaster::EType::Gizmo, SELECTION_2_ID, *m_sphere.mesh_raycaster));
}
}
}
else {
const SelectedFeatures::Item item = item_from_feature();
m_selected_features.first = item;
if (m_mode == EMode::ExtendedSelection)
m_selection_raycasters.push_back(m_parent.add_raycaster_for_picking(SceneRaycaster::EType::Gizmo, SELECTION_1_ID, *m_sphere.mesh_raycaster));
}
if (m_selected_features != selected_features_old && m_selected_features.second.feature.has_value())
m_measurement_result = Measure::get_measurement(*m_selected_features.first.feature, *m_selected_features.second.feature, m_measuring.get());
return true;
}
// fix: prevent restart gizmo when reselect object
// take responsibility for left up
if (m_parent.get_first_hover_volume_idx() >= 0)
m_mouse_left_down = true;
}
else if (mouse_event.LeftUp()) {
if (m_mouse_left_down) {
// responsible for mouse left up after selecting plane
m_mouse_left_down = false;
return true;
}
}
else if (mouse_event.RightDown() && mouse_event.CmdDown()) {
m_selected_features.reset();
m_selection_raycasters.clear();
m_imgui->set_requires_extra_frame();
}
else if (mouse_event.Leaving())
m_mouse_left_down = false;
return false;
}
void GLGizmoMeasure::data_changed()
{
const Selection& selection = m_parent.get_selection();
const ModelObject* model_object = nullptr;
const ModelVolume* model_volume = nullptr;
if (selection.is_single_full_instance() ||
selection.is_from_single_object() ) {
model_object = selection.get_model()->objects[selection.get_object_idx()];
model_volume = model_object->volumes[selection.get_first_volume()->volume_idx()];
}
if (model_object != m_old_model_object || model_volume != m_old_model_volume)
update_if_needed();
m_last_inv_zoom = 0.0f;
m_last_plane_idx = -1;
m_selected_features.reset();
m_selection_raycasters.clear();
m_editing_distance = false;
}
bool GLGizmoMeasure::gizmo_event(SLAGizmoEventType action, const Vec2d& mouse_position, bool shift_down, bool alt_down, bool control_down)
{
if (action == SLAGizmoEventType::CtrlDown) {
if (m_ctrl_kar_filter.is_first()) {
if (m_curr_feature.has_value()) {
m_mode = EMode::ExtendedSelection;
disable_scene_raycasters();
}
}
m_ctrl_kar_filter.increase_count();
}
else if (action == SLAGizmoEventType::CtrlUp) {
m_ctrl_kar_filter.reset_count();
m_mode = EMode::BasicSelection;
restore_scene_raycasters_state();
}
return true;
}
bool GLGizmoMeasure::on_init()
{
m_shortcut_key = WXK_CONTROL_U;
return true;
}
void GLGizmoMeasure::on_set_state()
{
if (m_state == Off) {
m_ctrl_kar_filter.reset_count();
m_curr_feature.reset();
m_curr_point_on_feature_position.reset();
restore_scene_raycasters_state();
m_editing_distance = false;
}
else {
m_mode = EMode::BasicSelection;
// store current state of scene raycaster for later use
m_scene_raycasters.clear();
auto scene_raycasters = m_parent.get_raycasters_for_picking(SceneRaycaster::EType::Volume);
if (scene_raycasters != nullptr) {
m_scene_raycasters.reserve(scene_raycasters->size());
for (auto r : *scene_raycasters) {
SceneRaycasterState state = { r, r->is_active() };
m_scene_raycasters.emplace_back(state);
}
}
}
}
CommonGizmosDataID GLGizmoMeasure::on_get_requirements() const
{
return CommonGizmosDataID(int(CommonGizmosDataID::SelectionInfo) | int(CommonGizmosDataID::Raycaster));
}
std::string GLGizmoMeasure::on_get_name() const
{
return _u8L("Measure");
}
bool GLGizmoMeasure::on_is_activable() const
{
const Selection& selection = m_parent.get_selection();
bool res = (wxGetApp().preset_bundle->printers.get_edited_preset().printer_technology() == ptSLA) ?
selection.is_single_full_instance() :
selection.is_single_volume() || selection.is_single_volume_instance();
if (res)
res &= !selection.get_first_volume()->is_sinking();
return res;
}
void GLGizmoMeasure::on_render()
{
#if ENABLE_MEASURE_GIZMO_DEBUG
render_debug_dialog();
#endif // ENABLE_MEASURE_GIZMO_DEBUG
// do not render if the user is panning/rotating the 3d scene
if (m_parent.is_mouse_dragging())
return;
const Selection& selection = m_parent.get_selection();
if ((wxGetApp().preset_bundle->printers.get_edited_preset().printer_technology() == ptSLA && selection.is_single_full_instance()) ||
(selection.is_single_volume() || selection.is_single_volume_instance())) {
update_if_needed();
m_volume_matrix = selection.get_first_volume()->world_matrix();
const Camera& camera = wxGetApp().plater()->get_camera();
const float inv_zoom = (float)camera.get_inv_zoom();
Vec3f position_on_model;
Vec3f normal_on_model;
size_t model_facet_idx;
const bool mouse_on_object = m_c->raycaster()->raycasters().front()->unproject_on_mesh(m_mouse_pos, m_volume_matrix, camera, position_on_model, normal_on_model, nullptr, &model_facet_idx);
const bool is_hovering_on_locked_feature = m_mode == EMode::ExtendedSelection && m_hover_id != -1;
if (m_mode == EMode::BasicSelection) {
std::optional<Measure::SurfaceFeature> curr_feature = mouse_on_object ? m_measuring->get_feature(model_facet_idx, position_on_model.cast<double>()) : std::nullopt;
m_curr_point_on_feature_position.reset();
if (m_curr_feature != curr_feature) {
m_parent.remove_raycasters_for_picking(SceneRaycaster::EType::Gizmo, POINT_ID);
m_parent.remove_raycasters_for_picking(SceneRaycaster::EType::Gizmo, EDGE_ID);
m_parent.remove_raycasters_for_picking(SceneRaycaster::EType::Gizmo, PLANE_ID);
m_parent.remove_raycasters_for_picking(SceneRaycaster::EType::Gizmo, CIRCLE_ID);
m_raycasters.clear();
m_curr_feature = curr_feature;
if (!m_curr_feature.has_value())
return;
switch (m_curr_feature->get_type()) {
default: { assert(false); break; }
case Measure::SurfaceFeatureType::Point:
{
m_raycasters.insert({ POINT_ID, m_parent.add_raycaster_for_picking(SceneRaycaster::EType::Gizmo, POINT_ID, *m_sphere.mesh_raycaster) });
break;
}
case Measure::SurfaceFeatureType::Edge:
{
m_raycasters.insert({ EDGE_ID, m_parent.add_raycaster_for_picking(SceneRaycaster::EType::Gizmo, EDGE_ID, *m_cylinder.mesh_raycaster) });
if (m_curr_feature->get_extra_point().has_value())
m_raycasters.insert({ POINT_ID, m_parent.add_raycaster_for_picking(SceneRaycaster::EType::Gizmo, POINT_ID, *m_sphere.mesh_raycaster) });
break;
}
case Measure::SurfaceFeatureType::Circle:
{
const auto [center, radius, normal] = m_curr_feature->get_circle();
if (m_last_inv_zoom != inv_zoom || m_last_circle != m_curr_feature) {
m_last_inv_zoom = inv_zoom;
m_last_circle = m_curr_feature;
m_circle.reset();
GLModel::Geometry circle_geometry = smooth_torus(64, 16, float(radius), 5.0f * inv_zoom);
m_circle.mesh_raycaster = std::make_unique<MeshRaycaster>(std::make_shared<const TriangleMesh>(circle_geometry.get_as_indexed_triangle_set()));
m_circle.model.init_from(std::move(circle_geometry));
}
m_raycasters.insert({ CIRCLE_ID, m_parent.add_raycaster_for_picking(SceneRaycaster::EType::Gizmo, CIRCLE_ID, *m_circle.mesh_raycaster) });
m_raycasters.insert({ POINT_ID, m_parent.add_raycaster_for_picking(SceneRaycaster::EType::Gizmo, POINT_ID, *m_sphere.mesh_raycaster) });
break;
}
case Measure::SurfaceFeatureType::Plane:
{
const auto [idx, normal, point] = m_curr_feature->get_plane();
if (m_last_plane_idx != idx) {
m_last_plane_idx = idx;
const indexed_triangle_set its = (m_old_model_volume != nullptr) ? m_old_model_volume->mesh().its : m_old_model_object->volumes.front()->mesh().its;
const std::vector<std::vector<int>> planes_triangles = m_measuring->get_planes_triangle_indices();
GLModel::Geometry init_data = init_plane_data(its, planes_triangles, idx);
m_plane.reset();
m_plane.mesh_raycaster = std::make_unique<MeshRaycaster>(std::make_shared<const TriangleMesh>(init_data.get_as_indexed_triangle_set()));
m_plane.model.init_from(std::move(init_data));
}
m_raycasters.insert({ PLANE_ID, m_parent.add_raycaster_for_picking(SceneRaycaster::EType::Gizmo, PLANE_ID, *m_plane.mesh_raycaster) });
break;
}
}
}
}
else if (is_hovering_on_locked_feature) {
auto position_on_feature = [this](int feature_type_id, const Camera& camera, std::function<Vec3f(const Vec3f&)> callback = nullptr) -> Vec3d {
auto it = m_raycasters.find(feature_type_id);
if (it != m_raycasters.end() && it->second != nullptr) {
Vec3f p;
Vec3f n;
const Transform3d& trafo = it->second->get_transform();
bool res = it->second->get_raycaster()->closest_hit(m_mouse_pos, trafo, camera, p, n);
assert(res);
if (res) {
if (callback)
p = callback(p);
return trafo * p.cast<double>();
}
}
return Vec3d::Zero();
};
switch (m_curr_feature->get_type())
{
default: { assert(false); break; }
case Measure::SurfaceFeatureType::Point:
{
m_curr_point_on_feature_position = m_curr_feature->get_point();
break;
}
case Measure::SurfaceFeatureType::Edge:
{
const std::optional<Vec3d> extra = m_curr_feature->get_extra_point();
if (extra.has_value() && m_hover_id == POINT_ID)
m_curr_point_on_feature_position = *extra;
else
m_curr_point_on_feature_position = m_volume_matrix.inverse() * position_on_feature(EDGE_ID, camera, [](const Vec3f& v) { return Vec3f(0.0f, 0.0f, v.z()); });
break;
}
case Measure::SurfaceFeatureType::Plane:
{
m_curr_point_on_feature_position = m_volume_matrix.inverse() * position_on_feature(PLANE_ID, camera);
break;
}
case Measure::SurfaceFeatureType::Circle:
{
const auto [center, radius, normal] = m_curr_feature->get_circle();
if (m_hover_id == POINT_ID)
m_curr_point_on_feature_position = center;
else {
const float r = radius; // needed for the following lambda
m_curr_point_on_feature_position = m_volume_matrix.inverse() * position_on_feature(CIRCLE_ID, camera, [r](const Vec3f& v) {
float angle = std::atan2(v.y(), v.x());
if (angle < 0.0f)
angle += 2.0f * float(M_PI);
return Vec3f(float(r) * std::cos(angle), float(r) * std::sin(angle), 0.0f);
});
}
break;
}
}
}
if (!m_curr_feature.has_value() && !m_selected_features.first.feature.has_value())
return;
GLShaderProgram* shader = wxGetApp().get_shader("gouraud_light");
if (shader == nullptr)
return;
shader->start_using();
shader->set_uniform("emission_factor", 0.25f);
shader->set_uniform("projection_matrix", camera.get_projection_matrix());
glsafe(::glClear(GL_DEPTH_BUFFER_BIT));
glsafe(::glEnable(GL_DEPTH_TEST));
const Transform3d& view_matrix = camera.get_view_matrix();
auto set_matrix_uniforms = [shader, &view_matrix](const Transform3d& model_matrix) {
const Transform3d view_model_matrix = view_matrix * model_matrix;
shader->set_uniform("view_model_matrix", view_model_matrix);
const Matrix3d view_normal_matrix = view_matrix.matrix().block(0, 0, 3, 3) * model_matrix.matrix().block(0, 0, 3, 3).inverse().transpose();
shader->set_uniform("view_normal_matrix", view_normal_matrix);
};
auto render_feature = [this, set_matrix_uniforms](const Measure::SurfaceFeature& feature, const std::vector<ColorRGBA>& colors,
const Transform3d& model_matrix, float inv_zoom, bool update_raycasters) {
const Transform3d model_matrix_scale_inverse = Geometry::Transformation(model_matrix).get_scaling_factor_matrix().inverse();
switch (feature.get_type())
{
default: { assert(false); break; }
case Measure::SurfaceFeatureType::Point:
{
const Vec3d& position = feature.get_point();
const Transform3d feature_matrix = model_matrix * Geometry::translation_transform(position) * model_matrix_scale_inverse * Geometry::scale_transform(inv_zoom);
set_matrix_uniforms(feature_matrix);
m_sphere.model.set_color(colors.front());
m_sphere.model.render();
if (update_raycasters) {
auto it = m_raycasters.find(POINT_ID);
if (it != m_raycasters.end() && it->second != nullptr)
it->second->set_transform(feature_matrix);
}
break;
}
case Measure::SurfaceFeatureType::Circle:
{
const auto& [center, radius, normal] = feature.get_circle();
// render center
const Transform3d center_matrix = model_matrix * Geometry::translation_transform(center) * model_matrix_scale_inverse * Geometry::scale_transform(inv_zoom);
set_matrix_uniforms(center_matrix);
m_sphere.model.set_color(colors.front());
m_sphere.model.render();
if (update_raycasters) {
auto it = m_raycasters.find(POINT_ID);
if (it != m_raycasters.end() && it->second != nullptr)
it->second->set_transform(center_matrix);
}
// render circle
const Transform3d circle_matrix = model_matrix * Geometry::translation_transform(center) * Eigen::Quaternion<double>::FromTwoVectors(Vec3d::UnitZ(), normal);
set_matrix_uniforms(circle_matrix);
m_circle.model.set_color(colors.back());
m_circle.model.render();
if (update_raycasters) {
auto it = m_raycasters.find(CIRCLE_ID);
if (it != m_raycasters.end() && it->second != nullptr)
it->second->set_transform(circle_matrix);
}
break;
}
case Measure::SurfaceFeatureType::Edge:
{
const auto& [start, end] = feature.get_edge();
// render extra point
const std::optional<Vec3d> extra = feature.get_extra_point();
if (extra.has_value()) {
const Transform3d point_matrix = model_matrix * Geometry::translation_transform(*extra) * model_matrix_scale_inverse * Geometry::scale_transform(inv_zoom);
set_matrix_uniforms(point_matrix);
m_sphere.model.set_color(colors.front());
m_sphere.model.render();
if (update_raycasters) {
auto it = m_raycasters.find(POINT_ID);
if (it != m_raycasters.end() && it->second != nullptr)
it->second->set_transform(point_matrix);
}
}
// render edge
const Transform3d feature_matrix = model_matrix * Geometry::translation_transform(start) *
Eigen::Quaternion<double>::FromTwoVectors(Vec3d::UnitZ(), end - start) *
Geometry::scale_transform({ (double)inv_zoom, (double)inv_zoom, (end - start).norm() });
set_matrix_uniforms(feature_matrix);
m_cylinder.model.set_color(colors.back());
m_cylinder.model.render();
if (update_raycasters) {
auto it = m_raycasters.find(EDGE_ID);
if (it != m_raycasters.end() && it->second != nullptr)
it->second->set_transform(feature_matrix);
}
break;
}
case Measure::SurfaceFeatureType::Plane:
{
const auto& [idx, normal, pt] = feature.get_plane();
assert(idx < m_plane_models_cache.size());
set_matrix_uniforms(model_matrix);
m_plane_models_cache[idx].set_color(colors.front());
m_plane_models_cache[idx].render();
if (update_raycasters) {
auto it = m_raycasters.find(PLANE_ID);
if (it != m_raycasters.end() && it->second != nullptr)
it->second->set_transform(model_matrix);
}
break;
}
}
};
auto hover_selection_color = [this]() {
return saturate(!m_selected_features.first.feature.has_value() ? SELECTED_1ST_COLOR : SELECTED_2ND_COLOR, 1.5f);
};
auto hovering_color = [this, hover_selection_color, &selection]() {
return (m_mode == EMode::ExtendedSelection) ? selection.get_first_volume()->render_color : hover_selection_color();
};
if (m_curr_feature.has_value()) {
std::vector<ColorRGBA> colors;
if (m_selected_features.first.feature.has_value() && *m_curr_feature == *m_selected_features.first.feature)
colors.emplace_back(SELECTED_1ST_COLOR);
else if (m_selected_features.second.feature.has_value() && *m_curr_feature == *m_selected_features.second.feature)
colors.emplace_back(SELECTED_2ND_COLOR);
else {
switch (m_curr_feature->get_type())
{
default: { assert(false); break; }
case Measure::SurfaceFeatureType::Point:
{
colors.emplace_back(hover_selection_color());
break;
}
case Measure::SurfaceFeatureType::Edge:
case Measure::SurfaceFeatureType::Circle:
{
colors.emplace_back((m_hover_id == POINT_ID) ? hover_selection_color() : hovering_color());
colors.emplace_back(hovering_color());
break;
}
case Measure::SurfaceFeatureType::Plane:
{
colors.emplace_back(hovering_color());
break;
}
}
}
render_feature(*m_curr_feature, colors, m_volume_matrix, inv_zoom, true);
}
if (m_selected_features.first.feature.has_value() && (!m_curr_feature.has_value() || *m_curr_feature != *m_selected_features.first.feature)) {
std::vector<ColorRGBA> colors;
colors.emplace_back(SELECTED_1ST_COLOR);
render_feature(*m_selected_features.first.feature, colors, m_volume_matrix, inv_zoom, false);
if (m_selected_features.first.feature->get_type() == Measure::SurfaceFeatureType::Point) {
auto it = std::find_if(m_selection_raycasters.begin(), m_selection_raycasters.end(),
[](std::shared_ptr<SceneRaycasterItem> item) { return SceneRaycaster::decode_id(SceneRaycaster::EType::Gizmo, item->get_id()) == SELECTION_1_ID; });
if (it != m_selection_raycasters.end())
(*it)->set_transform(m_volume_matrix * Geometry::translation_transform(m_selected_features.first.feature->get_point()) * Geometry::scale_transform(inv_zoom));
}
}
if (m_selected_features.second.feature.has_value() && (!m_curr_feature.has_value() || *m_curr_feature != *m_selected_features.second.feature)) {
std::vector<ColorRGBA> colors;
colors.emplace_back(SELECTED_2ND_COLOR);
render_feature(*m_selected_features.second.feature, colors, m_volume_matrix, inv_zoom, false);
if (m_selected_features.second.feature->get_type() == Measure::SurfaceFeatureType::Point) {
auto it = std::find_if(m_selection_raycasters.begin(), m_selection_raycasters.end(),
[](std::shared_ptr<SceneRaycasterItem> item) { return SceneRaycaster::decode_id(SceneRaycaster::EType::Gizmo, item->get_id()) == SELECTION_2_ID; });
if (it != m_selection_raycasters.end())
(*it)->set_transform(m_volume_matrix * Geometry::translation_transform(m_selected_features.second.feature->get_point()) * Geometry::scale_transform(inv_zoom));
}
}
if (is_hovering_on_locked_feature && m_curr_point_on_feature_position.has_value()) {
if (m_hover_id != POINT_ID) {
const Transform3d matrix = m_volume_matrix * Geometry::translation_transform(*m_curr_point_on_feature_position) * Geometry::scale_transform(inv_zoom);
set_matrix_uniforms(matrix);
m_sphere.model.set_color(hover_selection_color());
m_sphere.model.render();
}
}
shader->stop_using();
}
render_dimensioning();
}
void GLGizmoMeasure::update_if_needed()
{
auto update_plane_models_cache = [this](const indexed_triangle_set& its) {
m_plane_models_cache.clear();
const std::vector<std::vector<int>> planes_triangles = m_measuring->get_planes_triangle_indices();
for (int idx = 0; idx < (int)planes_triangles.size(); ++idx) {
m_plane_models_cache.emplace_back(GLModel());
GLModel::Geometry init_data = init_plane_data(its, planes_triangles, idx);
m_plane_models_cache.back().init_from(std::move(init_data));
}
};
auto do_update = [this, update_plane_models_cache](const ModelObject* object, const ModelVolume* volume) {
const indexed_triangle_set& its = (volume != nullptr) ? volume->mesh().its : object->volumes.front()->mesh().its;
m_measuring.reset(new Measure::Measuring(its));
update_plane_models_cache(its);
// Let's save what we calculated it from:
m_volumes_matrices.clear();
m_volumes_types.clear();
m_first_instance_scale = Vec3d::Ones();
m_first_instance_mirror = Vec3d::Ones();
if (object != nullptr) {
for (const ModelVolume* vol : object->volumes) {
m_volumes_matrices.push_back(vol->get_matrix());
m_volumes_types.push_back(vol->type());
}
m_first_instance_scale = object->instances.front()->get_scaling_factor();
m_first_instance_mirror = object->instances.front()->get_mirror();
}
m_old_model_object = object;
m_old_model_volume = volume;
};
const ModelObject* mo = m_c->selection_info()->model_object();
const ModelVolume* mv = m_c->selection_info()->model_volume();
if (m_state != On || (mo == nullptr && mv == nullptr))
return;
if (mo == nullptr)
mo = mv->get_object();
if (mo->instances.empty())
return;
if (!m_measuring || mo != m_old_model_object || mv != m_old_model_volume || mo->volumes.size() != m_volumes_matrices.size())
do_update(mo, mv);
// We want to recalculate when the scale changes - some planes could (dis)appear.
if (!mo->instances.front()->get_scaling_factor().isApprox(m_first_instance_scale) ||
!mo->instances.front()->get_mirror().isApprox(m_first_instance_mirror))
do_update(mo, mv);
for (unsigned int i = 0; i < mo->volumes.size(); ++i) {
if (!mo->volumes[i]->get_matrix().isApprox(m_volumes_matrices[i]) ||
mo->volumes[i]->type() != m_volumes_types[i]) {
do_update(mo, mv);
break;
}
}
}
void GLGizmoMeasure::disable_scene_raycasters()
{
for (auto r : m_scene_raycasters) {
r.raycaster->set_active(false);
}
}
void GLGizmoMeasure::restore_scene_raycasters_state()
{
for (auto r : m_scene_raycasters) {
r.raycaster->set_active(r.state);
}
}
class DimensioningHelper
{
struct Cache
{
std::array<int, 4> viewport;
Matrix4d ndc_to_ss_matrix;
Transform3d ndc_to_ss_matrix_inverse;
};
static Cache s_cache;
public:
static Vec3d model_to_world(const Vec3d& model, const Transform3d& world_matrix) {
return world_matrix * model;
}
static Vec4d world_to_clip(const Vec3d& world, const Matrix4d& projection_view_matrix) {
return projection_view_matrix * Vec4d(world.x(), world.y(), world.z(), 1.0);
}
static Vec3d clip_to_ndc(const Vec4d& clip) {
return Vec3d(clip.x(), clip.y(), clip.z()) / clip.w();
}
static Vec2d ndc_to_ss(const Vec3d& ndc, const std::array<int, 4>& viewport) {
const double half_w = 0.5 * double(viewport[2]);
const double half_h = 0.5 * double(viewport[3]);
return { half_w * ndc.x() + double(viewport[0]) + half_w, half_h * ndc.y() + double(viewport[1]) + half_h };
};
static Vec4d model_to_clip(const Vec3d& model, const Transform3d& world_matrix, const Matrix4d& projection_view_matrix) {
return world_to_clip(model_to_world(model, world_matrix), projection_view_matrix);
}
static Vec3d model_to_ndc(const Vec3d& model, const Transform3d& world_matrix, const Matrix4d& projection_view_matrix) {
return clip_to_ndc(world_to_clip(model_to_world(model, world_matrix), projection_view_matrix));
}
static Vec2d model_to_ss(const Vec3d& model, const Transform3d& world_matrix, const Matrix4d& projection_view_matrix, const std::array<int, 4>& viewport) {
return ndc_to_ss(clip_to_ndc(world_to_clip(model_to_world(model, world_matrix), projection_view_matrix)), viewport);
}
static const Matrix4d& ndc_to_ss_matrix(const std::array<int, 4>& viewport) {
update(viewport);
return s_cache.ndc_to_ss_matrix;
}
static const Transform3d ndc_to_ss_matrix_inverse(const std::array<int, 4>& viewport) {
update(viewport);
return s_cache.ndc_to_ss_matrix_inverse;
}
private:
static void update(const std::array<int, 4>& viewport) {
if (s_cache.viewport == viewport)
return;
const double half_w = 0.5 * double(viewport[2]);
const double half_h = 0.5 * double(viewport[3]);
s_cache.ndc_to_ss_matrix << half_w, 0.0, 0.0, double(viewport[0]) + half_w,
0.0, half_h, 0.0, double(viewport[1]) + half_h,
0.0, 0.0, 1.0, 0.0,
0.0, 0.0, 0.0, 1.0;
s_cache.ndc_to_ss_matrix_inverse = s_cache.ndc_to_ss_matrix.inverse();
s_cache.viewport = viewport;
}
};
DimensioningHelper::Cache DimensioningHelper::s_cache = { { 0, 0, 0, 0 }, Matrix4d::Identity(), Transform3d::Identity() };
void GLGizmoMeasure::render_dimensioning()
{
static SelectedFeatures last_selected_features;
if (!m_selected_features.first.feature.has_value() || !m_selected_features.second.feature.has_value())
return;
GLShaderProgram* shader = wxGetApp().get_shader("flat");
if (shader == nullptr)
return;
auto point_point = [this, shader](const Vec3d& v1, const Vec3d& v2, float distance) {
if (v1.isApprox(v2))
return;
const Camera& camera = wxGetApp().plater()->get_camera();
const Matrix4d projection_view_matrix = camera.get_projection_matrix().matrix() * camera.get_view_matrix().matrix();
const std::array<int, 4>& viewport = camera.get_viewport();
// screen coordinates
const Vec2d v1ss = DimensioningHelper::model_to_ss(v1, m_volume_matrix, projection_view_matrix, viewport);
const Vec2d v2ss = DimensioningHelper::model_to_ss(v2, m_volume_matrix, projection_view_matrix, viewport);
if (v1ss.isApprox(v2ss))
return;
const Vec2d v12ss = v2ss - v1ss;
const double v12ss_len = v12ss.norm();
const bool overlap = v12ss_len - 2.0 * TRIANGLE_HEIGHT < 0.0;
const auto q12ss = Eigen::Quaternion<double>::FromTwoVectors(Vec3d::UnitX(), Vec3d(v12ss.x(), v12ss.y(), 0.0));
const auto q21ss = Eigen::Quaternion<double>::FromTwoVectors(Vec3d::UnitX(), Vec3d(-v12ss.x(), -v12ss.y(), 0.0));
shader->set_uniform("projection_matrix", Transform3d::Identity());
const Vec3d v1ss_3 = { v1ss.x(), v1ss.y(), 0.0 };
const Vec3d v2ss_3 = { v2ss.x(), v2ss.y(), 0.0 };
const Transform3d ss_to_ndc_matrix = DimensioningHelper::ndc_to_ss_matrix_inverse(viewport);
// stem
shader->set_uniform("view_model_matrix", overlap ?
ss_to_ndc_matrix * Geometry::translation_transform(v1ss_3) * q12ss * Geometry::translation_transform(-2.0 * TRIANGLE_HEIGHT * Vec3d::UnitX()) * Geometry::scale_transform({ v12ss_len + 4.0 * TRIANGLE_HEIGHT, 1.0f, 1.0f }) :
ss_to_ndc_matrix * Geometry::translation_transform(v1ss_3) * q12ss * Geometry::scale_transform({ v12ss_len, 1.0f, 1.0f }));
m_dimensioning.line.render();
// arrow 1
shader->set_uniform("view_model_matrix", overlap ?
ss_to_ndc_matrix * Geometry::translation_transform(v1ss_3) * q12ss :
ss_to_ndc_matrix * Geometry::translation_transform(v1ss_3) * q21ss);
m_dimensioning.triangle.render();
// arrow 2
shader->set_uniform("view_model_matrix", overlap ?
ss_to_ndc_matrix * Geometry::translation_transform(v2ss_3) * q21ss :
ss_to_ndc_matrix * Geometry::translation_transform(v2ss_3) * q12ss);
m_dimensioning.triangle.render();
const bool use_inches = wxGetApp().app_config->get("use_inches") == "1";
const double value = use_inches ? ObjectManipulation::mm_to_in * distance : distance;
const std::string value_str = format_double(value);
const std::string units = use_inches ? _u8L("in") : _u8L("mm");
const float value_str_width = 20.0f + ImGui::CalcTextSize(value_str.c_str()).x;
static double edit_value = 0.0;
const Vec2d label_position = 0.5 * (v1ss + v2ss);
m_imgui->set_next_window_pos(label_position.x(), viewport[3] - label_position.y(), ImGuiCond_Always, 0.0f, 1.0f);
m_imgui->set_next_window_bg_alpha(0.0f);
if (!m_editing_distance) {
ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0f);
ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 0.0f);
ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, { 1.0f, 1.0f });
m_imgui->begin(std::string("distance"), ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoDecoration);
ImGui::AlignTextToFramePadding();
m_imgui->text(value_str + " " + units);
ImGui::SameLine();
if (m_imgui->image_button(ImGui::SliderFloatEditBtnIcon, _L("Edit to scale"))) {
m_editing_distance = true;
edit_value = value;
m_imgui->requires_extra_frame();
}
m_imgui->end();
ImGui::PopStyleVar(3);
}
auto perform_scale = [this, value](double new_value, double old_value) {
if (new_value == old_value || new_value <= 0.0)
return;
const double ratio = new_value / old_value;
wxGetApp().plater()->take_snapshot(_L("Scale"));
TransformationType type;
type.set_world();
type.set_relative();
type.set_joint();
// apply scale
Selection& selection = m_parent.get_selection();
selection.setup_cache();
selection.scale(ratio * Vec3d::Ones(), type);
wxGetApp().plater()->canvas3D()->do_scale(""); // avoid storing another snapshot
wxGetApp().obj_manipul()->set_dirty();
};
if (m_editing_distance && !ImGui::IsPopupOpen("distance_popup"))
ImGui::OpenPopup("distance_popup");
ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0f);
ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 0.0f);
ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, { 1.0f, 1.0f });
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, { 4.0f, 0.0f });
if (ImGui::BeginPopupModal("distance_popup", nullptr, ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoDecoration)) {
ImGui::PushItemWidth(value_str_width);
if (ImGui::InputDouble("##distance", &edit_value, 0.0f, 0.0f, "%.3f")) {
}
ImGui::SameLine();
if (m_imgui->button(_u8L("Scale"))) {
perform_scale(edit_value, value);
m_editing_distance = false;
ImGui::CloseCurrentPopup();
}
ImGui::SameLine();
if (m_imgui->button(_u8L("Cancel"))) {
m_editing_distance = false;
ImGui::CloseCurrentPopup();
}
ImGui::EndPopup();
}
ImGui::PopStyleVar(4);
};
auto point_edge = [this, shader](const Measure::SurfaceFeature& f1, const Measure::SurfaceFeature& f2) {
assert(f1.get_type() == Measure::SurfaceFeatureType::Point && f2.get_type() == Measure::SurfaceFeatureType::Edge);
const std::pair<Vec3d, Vec3d> e = f2.get_edge();
const Vec3d v_proj = m_measurement_result.distance_infinite->to;
const Vec3d e1e2 = e.second - e.first;
const Vec3d v_proje1 = v_proj - e.first;
const bool on_e1_side = v_proje1.dot(e1e2) < -EPSILON;
const bool on_e2_side = !on_e1_side && v_proje1.norm() > e1e2.norm();
if (on_e1_side || on_e2_side) {
const Camera& camera = wxGetApp().plater()->get_camera();
const Matrix4d projection_view_matrix = camera.get_projection_matrix().matrix() * camera.get_view_matrix().matrix();
const std::array<int, 4>& viewport = camera.get_viewport();
const Transform3d ss_to_ndc_matrix = DimensioningHelper::ndc_to_ss_matrix_inverse(viewport);
const Vec2d v_projss = DimensioningHelper::model_to_ss(v_proj, m_volume_matrix, projection_view_matrix, viewport);
auto render_extension = [this, &v_projss, &projection_view_matrix, &viewport, &ss_to_ndc_matrix, shader](const Vec3d& p) {
const Vec2d pss = DimensioningHelper::model_to_ss(p, m_volume_matrix, projection_view_matrix, viewport);
if (!pss.isApprox(v_projss)) {
const Vec2d pv_projss = v_projss - pss;
const double pv_projss_len = pv_projss.norm();
const auto q = Eigen::Quaternion<double>::FromTwoVectors(Vec3d::UnitX(), Vec3d(pv_projss.x(), pv_projss.y(), 0.0));
shader->set_uniform("projection_matrix", Transform3d::Identity());
shader->set_uniform("view_model_matrix", ss_to_ndc_matrix * Geometry::translation_transform({ pss.x(), pss.y(), 0.0 }) * q *
Geometry::scale_transform({ pv_projss_len, 1.0f, 1.0f }));
m_dimensioning.line.render();
}
};
render_extension(on_e1_side ? e.first : e.second);
}
};
auto arc_edge_edge = [this, shader](const Measure::SurfaceFeature& f1, const Measure::SurfaceFeature& f2, double radius = 0.0) {
assert(f1.get_type() == Measure::SurfaceFeatureType::Edge && f2.get_type() == Measure::SurfaceFeatureType::Edge);
if (!m_measurement_result.angle.has_value())
return;
const double angle = m_measurement_result.angle->angle;
const Vec3d center = m_measurement_result.angle->center;
const std::pair<Vec3d, Vec3d> e1 = m_measurement_result.angle->e1;
const std::pair<Vec3d, Vec3d> e2 = m_measurement_result.angle->e2;
const double calc_radius = m_measurement_result.angle->radius;
const bool coplanar = m_measurement_result.angle->coplanar;
if (std::abs(angle) < EPSILON || std::abs(calc_radius) < EPSILON)
return;
const double draw_radius = (radius > 0.0) ? radius : calc_radius;
const Vec3d e1_unit = Measure::edge_direction(e1);
const Vec3d e2_unit = Measure::edge_direction(e2);
const unsigned int resolution = std::max<unsigned int>(2, 64 * angle / double(PI));
const double step = angle / double(resolution);
const Vec3d normal = e1_unit.cross(e2_unit).normalized();
if (!m_dimensioning.arc.is_initialized()) {
GLModel::Geometry init_data;
init_data.format = { GLModel::Geometry::EPrimitiveType::LineStrip, GLModel::Geometry::EVertexLayout::P3 };
init_data.color = ColorRGBA::WHITE();
init_data.reserve_vertices(resolution + 1);
init_data.reserve_indices(resolution + 1);
// vertices + indices
for (unsigned int i = 0; i <= resolution; ++i) {
const double a = step * double(i);
const Vec3d v = draw_radius * (Eigen::Quaternion<double>(Eigen::AngleAxisd(a, normal)) * e1_unit);
init_data.add_vertex((Vec3f)v.cast<float>());
init_data.add_index(i);
}
m_dimensioning.arc.init_from(std::move(init_data));
}
// arc
const Camera& camera = wxGetApp().plater()->get_camera();
shader->set_uniform("projection_matrix", camera.get_projection_matrix());
shader->set_uniform("view_model_matrix", camera.get_view_matrix() * m_volume_matrix * Geometry::translation_transform(center));
m_dimensioning.arc.render();
// arrows
auto render_arrow = [this, shader, &camera, &normal, &center, &e1_unit, draw_radius, step, resolution](unsigned int endpoint_id) {
const double angle = (endpoint_id == 1) ? 0.0 : step * double(resolution);
const Vec3d position_model = Geometry::translation_transform(center) * (draw_radius * (Eigen::Quaternion<double>(Eigen::AngleAxisd(angle, normal)) * e1_unit));
const Vec3d direction_model = (endpoint_id == 1) ? -normal.cross(position_model - center).normalized() : normal.cross(position_model - center).normalized();
const auto qz = Eigen::Quaternion<double>::FromTwoVectors(Vec3d::UnitZ(), normal);
const auto qx = Eigen::Quaternion<double>::FromTwoVectors(qz * Vec3d::UnitX(), direction_model);
const Transform3d view_model_matrix = camera.get_view_matrix() * m_volume_matrix * Geometry::translation_transform(position_model) *
qx * qz * Geometry::scale_transform(camera.get_inv_zoom());
shader->set_uniform("view_model_matrix", view_model_matrix);
m_dimensioning.triangle.render();
};
glsafe(::glDisable(GL_CULL_FACE));
render_arrow(1);
render_arrow(2);
glsafe(::glEnable(GL_CULL_FACE));
// edge 1 extension
const Vec3d e11e12 = e1.second - e1.first;
const Vec3d e11center = center - e1.first;
const double e11center_len = e11center.norm();
if (e11center_len > EPSILON && e11center.dot(e11e12) < 0.0) {
shader->set_uniform("view_model_matrix", camera.get_view_matrix() * m_volume_matrix * Geometry::translation_transform(center) *
Eigen::Quaternion<double>::FromTwoVectors(Vec3d::UnitX(), Measure::edge_direction(e1.first, e1.second)) *
Geometry::scale_transform({ e11center_len, 1.0f, 1.0f }));
m_dimensioning.line.render();
}
// edge 2 extension
const Vec3d e21center = center - e2.first;
const double e21center_len = e21center.norm();
if (e21center_len > EPSILON) {
shader->set_uniform("view_model_matrix", camera.get_view_matrix() * m_volume_matrix * Geometry::translation_transform(center) *
Eigen::Quaternion<double>::FromTwoVectors(Vec3d::UnitX(), Measure::edge_direction(e2.first, e2.second)) *
Geometry::scale_transform({ (coplanar && radius > 0.0) ? e21center_len : draw_radius, 1.0f, 1.0f }));
m_dimensioning.line.render();
}
// label
// label model coordinates
const Vec3d label_position_model = Geometry::translation_transform(center) * (draw_radius * (Eigen::Quaternion<double>(Eigen::AngleAxisd(step * 0.5 * double(resolution), normal)) * e1_unit));
// label screen coordinates
const std::array<int, 4>& viewport = camera.get_viewport();
const Vec2d label_position_ss = DimensioningHelper::model_to_ss(label_position_model, m_volume_matrix,
camera.get_projection_matrix().matrix() * camera.get_view_matrix().matrix(), viewport);
m_imgui->set_next_window_pos(label_position_ss.x(), viewport[3] - label_position_ss.y(), ImGuiCond_Always, 0.0f, 1.0f);
m_imgui->set_next_window_bg_alpha(0.0f);
ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0f);
m_imgui->begin(_L("##angle"), ImGuiWindowFlags_NoMouseInputs | ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove);
ImGui::BringWindowToDisplayFront(ImGui::GetCurrentWindow());
m_imgui->text(format_double(Geometry::rad2deg(angle)) + "°");
m_imgui->end();
ImGui::PopStyleVar();
};
auto arc_edge_plane = [this, arc_edge_edge](const Measure::SurfaceFeature& f1, const Measure::SurfaceFeature& f2) {
assert(f1.get_type() == Measure::SurfaceFeatureType::Edge && f2.get_type() == Measure::SurfaceFeatureType::Plane);
if (!m_measurement_result.angle.has_value())
return;
const std::pair<Vec3d, Vec3d> e1 = m_measurement_result.angle->e1;
const std::pair<Vec3d, Vec3d> e2 = m_measurement_result.angle->e2;
const double calc_radius = m_measurement_result.angle->radius;
if (calc_radius == 0.0)
return;
arc_edge_edge(Measure::SurfaceFeature(Measure::SurfaceFeatureType::Edge, e1.first, e1.second),
Measure::SurfaceFeature(Measure::SurfaceFeatureType::Edge, e2.first, e2.second), calc_radius);
};
auto arc_plane_plane = [this, arc_edge_edge](const Measure::SurfaceFeature& f1, const Measure::SurfaceFeature& f2) {
assert(f1.get_type() == Measure::SurfaceFeatureType::Plane && f2.get_type() == Measure::SurfaceFeatureType::Plane);
const std::pair<Vec3d, Vec3d> e1 = m_measurement_result.angle->e1;
const std::pair<Vec3d, Vec3d> e2 = m_measurement_result.angle->e2;
const double calc_radius = m_measurement_result.angle->radius;
if (calc_radius == 0.0)
return;
arc_edge_edge(Measure::SurfaceFeature(Measure::SurfaceFeatureType::Edge, e1.first, e1.second),
Measure::SurfaceFeature(Measure::SurfaceFeatureType::Edge, e2.first, e2.second), calc_radius);
};
shader->start_using();
if (!m_dimensioning.line.is_initialized()) {
GLModel::Geometry init_data;
init_data.format = { GLModel::Geometry::EPrimitiveType::Lines, GLModel::Geometry::EVertexLayout::P3 };
init_data.color = ColorRGBA::WHITE();
init_data.reserve_vertices(2);
init_data.reserve_indices(2);
// vertices
init_data.add_vertex(Vec3f(0.0f, 0.0f, 0.0f));
init_data.add_vertex(Vec3f(1.0f, 0.0f, 0.0f));
// indices
init_data.add_line(0, 1);
m_dimensioning.line.init_from(std::move(init_data));
}
if (!m_dimensioning.triangle.is_initialized()) {
GLModel::Geometry init_data;
init_data.format = { GLModel::Geometry::EPrimitiveType::Triangles, GLModel::Geometry::EVertexLayout::P3 };
init_data.color = ColorRGBA::WHITE();
init_data.reserve_vertices(3);
init_data.reserve_indices(3);
// vertices
init_data.add_vertex(Vec3f(0.0f, 0.0f, 0.0f));
init_data.add_vertex(Vec3f(-TRIANGLE_HEIGHT, 0.5f * TRIANGLE_BASE, 0.0f));
init_data.add_vertex(Vec3f(-TRIANGLE_HEIGHT, -0.5f * TRIANGLE_BASE, 0.0f));
// indices
init_data.add_triangle(0, 1, 2);
m_dimensioning.triangle.init_from(std::move(init_data));
}
if (last_selected_features != m_selected_features)
m_dimensioning.arc.reset();
glsafe(::glDisable(GL_DEPTH_TEST));
if (m_selected_features.second.feature.has_value()) {
const bool has_distance = m_measurement_result.has_distance_data();
if (has_distance) {
// Render the arrow between the points that the backend passed:
const Measure::DistAndPoints& dap = m_measurement_result.distance_infinite.has_value()
? *m_measurement_result.distance_infinite
: *m_measurement_result.distance_strict;
point_point(dap.from, dap.to, dap.dist);
}
const Measure::SurfaceFeature* f1 = &(*m_selected_features.first.feature);
const Measure::SurfaceFeature* f2 = &(*m_selected_features.second.feature);
Measure::SurfaceFeatureType ft1 = f1->get_type();
Measure::SurfaceFeatureType ft2 = f2->get_type();
// Order features by type so following conditions are simple.
if (ft1 > ft2) {
std::swap(ft1, ft2);
std::swap(f1, f2);
}
// Where needed, draw also the extension of the edge to where the dist is measured:
if (has_distance && ft1 == Measure::SurfaceFeatureType::Point && ft2 == Measure::SurfaceFeatureType::Edge)
point_edge(*f1, *f2);
// Now if there is an angle to show, draw the arc:
if (ft1 == Measure::SurfaceFeatureType::Edge && ft2 == Measure::SurfaceFeatureType::Edge)
arc_edge_edge(*f1, *f2);
else if (ft1 == Measure::SurfaceFeatureType::Edge && ft2 == Measure::SurfaceFeatureType::Plane)
arc_edge_plane(*f1, *f2);
else if (ft1 == Measure::SurfaceFeatureType::Plane && ft2 == Measure::SurfaceFeatureType::Plane)
arc_plane_plane(*f1, *f2);
}
glsafe(::glEnable(GL_DEPTH_TEST));
shader->stop_using();
}
static void add_row_to_table(std::function<void(void)> col_1 = nullptr, std::function<void(void)> col_2 = nullptr)
{
assert(col_1 != nullptr && col_2 != nullptr);
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
col_1();
ImGui::TableSetColumnIndex(1);
col_2();
}
static void add_strings_row_to_table(ImGuiWrapper& imgui, const std::string& col_1, const ImVec4& col_1_color, const std::string& col_2, const ImVec4& col_2_color)
{
add_row_to_table([&]() { imgui.text_colored(col_1_color, col_1); }, [&]() { imgui.text_colored(col_2_color, col_2); });
};
#if ENABLE_MEASURE_GIZMO_DEBUG
void GLGizmoMeasure::render_debug_dialog()
{
auto add_feature_data = [this](const SelectedFeatures::Item& item) {
add_strings_row_to_table(*m_imgui, "Type", ImGuiWrapper::COL_ORANGE_LIGHT, item.source, ImGui::GetStyleColorVec4(ImGuiCol_Text));
switch (item.feature->get_type())
{
case Measure::SurfaceFeatureType::Point:
{
add_strings_row_to_table(*m_imgui, "m_pt1", ImGuiWrapper::COL_ORANGE_LIGHT, format_vec3(item.feature->get_point()), ImGui::GetStyleColorVec4(ImGuiCol_Text));
break;
}
case Measure::SurfaceFeatureType::Edge:
{
auto [from, to] = item.feature->get_edge();
add_strings_row_to_table(*m_imgui, "m_pt1", ImGuiWrapper::COL_ORANGE_LIGHT, format_vec3(from), ImGui::GetStyleColorVec4(ImGuiCol_Text));
add_strings_row_to_table(*m_imgui, "m_pt2", ImGuiWrapper::COL_ORANGE_LIGHT, format_vec3(to), ImGui::GetStyleColorVec4(ImGuiCol_Text));
break;
}
case Measure::SurfaceFeatureType::Plane:
{
auto [idx, normal, origin] = item.feature->get_plane();
add_strings_row_to_table(*m_imgui, "m_pt1", ImGuiWrapper::COL_ORANGE_LIGHT, format_vec3(normal), ImGui::GetStyleColorVec4(ImGuiCol_Text));
add_strings_row_to_table(*m_imgui, "m_pt2", ImGuiWrapper::COL_ORANGE_LIGHT, format_vec3(origin), ImGui::GetStyleColorVec4(ImGuiCol_Text));
add_strings_row_to_table(*m_imgui, "m_value", ImGuiWrapper::COL_ORANGE_LIGHT, format_double(idx), ImGui::GetStyleColorVec4(ImGuiCol_Text));
break;
}
case Measure::SurfaceFeatureType::Circle:
{
auto [center, radius, normal] = item.feature->get_circle();
add_strings_row_to_table(*m_imgui, "m_pt1", ImGuiWrapper::COL_ORANGE_LIGHT, format_vec3(center), ImGui::GetStyleColorVec4(ImGuiCol_Text));
add_strings_row_to_table(*m_imgui, "m_pt2", ImGuiWrapper::COL_ORANGE_LIGHT, format_vec3(normal), ImGui::GetStyleColorVec4(ImGuiCol_Text));
add_strings_row_to_table(*m_imgui, "m_value", ImGuiWrapper::COL_ORANGE_LIGHT, format_double(radius), ImGui::GetStyleColorVec4(ImGuiCol_Text));
break;
}
}
std::optional<Vec3d> extra_point = item.feature->get_extra_point();
if (extra_point.has_value())
add_strings_row_to_table(*m_imgui, "m_pt3", ImGuiWrapper::COL_ORANGE_LIGHT, format_vec3(*extra_point), ImGui::GetStyleColorVec4(ImGuiCol_Text));
};
m_imgui->begin(_L("Measure tool debug"), ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse);
if (!m_selected_features.first.feature.has_value() && !m_selected_features.second.feature.has_value())
m_imgui->text("Empty selection");
else {
const ImGuiTableFlags flags = ImGuiTableFlags_BordersOuter | ImGuiTableFlags_BordersH;
if (m_selected_features.first.feature.has_value()) {
m_imgui->text_colored(ImGuiWrapper::COL_ORANGE_LIGHT, "Selection 1");
if (ImGui::BeginTable("Selection 1", 2, flags)) {
add_feature_data(m_selected_features.first);
ImGui::EndTable();
}
}
if (m_selected_features.second.feature.has_value()) {
m_imgui->text_colored(ImGuiWrapper::COL_ORANGE_LIGHT, "Selection 2");
if (ImGui::BeginTable("Selection 2", 2, flags)) {
add_feature_data(m_selected_features.second);
ImGui::EndTable();
}
}
}
m_imgui->end();
}
#endif // ENABLE_MEASURE_GIZMO_DEBUG
void GLGizmoMeasure::on_render_input_window(float x, float y, float bottom_limit)
{
static std::optional<Measure::SurfaceFeature> last_feature;
static EMode last_mode = EMode::BasicSelection;
static SelectedFeatures last_selected_features;
static float last_y = 0.0f;
static float last_h = 0.0f;
if (m_editing_distance)
return;
m_imgui->begin(_u8L("Measure tool"), ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse);
// adjust window position to avoid overlap the view toolbar
const float win_h = ImGui::GetWindowHeight();
y = std::min(y, bottom_limit - win_h);
ImGui::SetWindowPos(ImVec2(x, y), ImGuiCond_Always);
if (last_h != win_h || last_y != y) {
// ask canvas for another frame to render the window in the correct position
m_imgui->set_requires_extra_frame();
if (last_h != win_h)
last_h = win_h;
if (last_y != y)
last_y = y;
}
if (ImGui::BeginTable("Commands", 2)) {
add_row_to_table(
[this]() {
m_imgui->text_colored(ImGuiWrapper::COL_ORANGE_LIGHT, _u8L("Left mouse button"));
},
[this]() {
m_imgui->text_colored(ImGui::GetStyleColorVec4(ImGuiCol_Text),
m_selected_features.second.feature.has_value() ?
((m_mode == EMode::BasicSelection) ? _u8L("Select/Unselect feature") : _u8L("Select/Unselect point")) :
((m_mode == EMode::BasicSelection) ? _u8L("Select feature") : _u8L("Select point")));
ImGui::SameLine();
const ImVec2 pos = ImGui::GetCursorScreenPos();
const float rect_size = ImGui::GetTextLineHeight();
ImGui::GetWindowDrawList()->AddRectFilled({ pos.x + 1.0f, pos.y + 1.0f }, { pos.x + rect_size, pos.y + rect_size },
ImGuiWrapper::to_ImU32(m_selected_features.first.feature.has_value() ? SELECTED_2ND_COLOR : SELECTED_1ST_COLOR));
ImGui::Dummy(ImVec2(rect_size, rect_size));
}
);
if (m_selected_features.first.feature.has_value())
add_strings_row_to_table(*m_imgui, CTRL_STR + "+" + _u8L("Right mouse button"), ImGuiWrapper::COL_ORANGE_LIGHT, _u8L("Restart selection"), ImGui::GetStyleColorVec4(ImGuiCol_Text));
if (m_mode == EMode::BasicSelection && m_hover_id != -1)
add_strings_row_to_table(*m_imgui, CTRL_STR, ImGuiWrapper::COL_ORANGE_LIGHT, _u8L("Enable point selection"), ImGui::GetStyleColorVec4(ImGuiCol_Text));
ImGui::EndTable();
}
const bool use_inches = wxGetApp().app_config->get("use_inches") == "1";
const std::string units = use_inches ? " " + _u8L("in") : " " + _u8L("mm");
if (m_curr_feature.has_value()) {
const Measure::SurfaceFeatureType feature_type = m_curr_feature->get_type();
if (m_mode == EMode::BasicSelection) {
if (feature_type != Measure::SurfaceFeatureType::Undef) {
ImGui::Separator();
m_imgui->text(surface_feature_type_as_string(feature_type) + ":");
if (ImGui::BeginTable("Data", 2)) {
switch (feature_type)
{
default: { assert(false); break; }
case Measure::SurfaceFeatureType::Point:
{
Vec3d position = m_volume_matrix * m_curr_feature->get_point();
if (use_inches)
position = ObjectManipulation::mm_to_in * position;
add_strings_row_to_table(*m_imgui, _u8L("Position"), ImGuiWrapper::COL_ORANGE_LIGHT, format_vec3(position), ImGui::GetStyleColorVec4(ImGuiCol_Text));
break;
}
case Measure::SurfaceFeatureType::Edge:
{
auto [from, to] = m_curr_feature->get_edge();
from = m_volume_matrix * from;
to = m_volume_matrix * to;
if (use_inches) {
from = ObjectManipulation::mm_to_in * from;
to = ObjectManipulation::mm_to_in * to;
}
add_strings_row_to_table(*m_imgui, _u8L("From"), ImGuiWrapper::COL_ORANGE_LIGHT, format_vec3(from), ImGui::GetStyleColorVec4(ImGuiCol_Text));
add_strings_row_to_table(*m_imgui, _u8L("To"), ImGuiWrapper::COL_ORANGE_LIGHT, format_vec3(to), ImGui::GetStyleColorVec4(ImGuiCol_Text));
add_strings_row_to_table(*m_imgui, _u8L("Length"), ImGuiWrapper::COL_ORANGE_LIGHT, format_double((to - from).norm()) + units, ImGui::GetStyleColorVec4(ImGuiCol_Text));
break;
}
case Measure::SurfaceFeatureType::Circle:
{
auto [center, radius, normal] = m_curr_feature->get_circle();
center = m_volume_matrix * center;
normal = m_volume_matrix.matrix().block(0, 0, 3, 3).inverse().transpose() * normal;
if (use_inches) {
center = ObjectManipulation::mm_to_in * center;
radius = ObjectManipulation::mm_to_in * radius;
}
add_strings_row_to_table(*m_imgui, _u8L("Center"), ImGuiWrapper::COL_ORANGE_LIGHT, format_vec3(center), ImGui::GetStyleColorVec4(ImGuiCol_Text));
add_strings_row_to_table(*m_imgui, _u8L("Radius"), ImGuiWrapper::COL_ORANGE_LIGHT, format_double(radius) + units, ImGui::GetStyleColorVec4(ImGuiCol_Text));
add_strings_row_to_table(*m_imgui, _u8L("Normal"), ImGuiWrapper::COL_ORANGE_LIGHT, format_vec3(normal), ImGui::GetStyleColorVec4(ImGuiCol_Text));
break;
}
case Measure::SurfaceFeatureType::Plane:
{
auto [idx, normal, origin] = m_curr_feature->get_plane();
origin = m_volume_matrix * origin;
normal = m_volume_matrix.matrix().block(0, 0, 3, 3).inverse().transpose() * normal;
if (use_inches)
origin = ObjectManipulation::mm_to_in * origin;
add_strings_row_to_table(*m_imgui, _u8L("Origin"), ImGuiWrapper::COL_ORANGE_LIGHT, format_vec3(origin), ImGui::GetStyleColorVec4(ImGuiCol_Text));
add_strings_row_to_table(*m_imgui, _u8L("Normal"), ImGuiWrapper::COL_ORANGE_LIGHT, format_vec3(normal), ImGui::GetStyleColorVec4(ImGuiCol_Text));
break;
}
}
ImGui::EndTable();
}
}
}
else if (m_mode == EMode::ExtendedSelection) {
if (m_hover_id != -1 && m_curr_point_on_feature_position.has_value()) {
ImGui::Separator();
m_imgui->text(point_on_feature_type_as_string(feature_type, m_hover_id) + ":");
if (ImGui::BeginTable("Data", 2)) {
Vec3d position = m_volume_matrix * *m_curr_point_on_feature_position;
if (use_inches)
position = ObjectManipulation::mm_to_in * position;
add_strings_row_to_table(*m_imgui, _u8L("Position"), ImGuiWrapper::COL_ORANGE_LIGHT, format_vec3(position), ImGui::GetStyleColorVec4(ImGuiCol_Text));
ImGui::EndTable();
}
}
}
}
ImGui::Separator();
const ImGuiTableFlags flags = ImGuiTableFlags_BordersOuter | ImGuiTableFlags_BordersH;
if (ImGui::BeginTable("Selection", 2, flags)) {
add_strings_row_to_table(*m_imgui, _u8L("Selection") + " 1:", ImGuiWrapper::to_ImVec4(SELECTED_1ST_COLOR), m_selected_features.first.feature.has_value() ?
m_selected_features.first.source : _u8L("None"), ImGuiWrapper::to_ImVec4(SELECTED_1ST_COLOR));
add_strings_row_to_table(*m_imgui, _u8L("Selection") + " 2:", ImGuiWrapper::to_ImVec4(SELECTED_2ND_COLOR), m_selected_features.second.feature.has_value() ?
m_selected_features.second.source : _u8L("None"), ImGuiWrapper::to_ImVec4(SELECTED_2ND_COLOR));
ImGui::EndTable();
}
//if (m_selected_features.first.feature.has_value()) {
// if (m_imgui->button(_u8L("Restart"))) {
// m_selected_features.reset();
// m_selection_raycasters.clear();
// m_imgui->set_requires_extra_frame();
// }
//}
auto add_measure_row_to_table = [this](const std::string& col_1, const ImVec4& col_1_color, const std::string& col_2, const ImVec4& col_2_color) {
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
m_imgui->text_colored(col_1_color, col_1);
ImGui::TableSetColumnIndex(1);
m_imgui->text_colored(col_2_color, col_2);
ImGui::TableSetColumnIndex(2);
if (m_imgui->image_button(ImGui::ClipboardBtnIcon, _L("Copy to clipboard"))) {
wxTheClipboard->Open();
wxTheClipboard->SetData(new wxTextDataObject(col_1 + ": " + col_2));
wxTheClipboard->Close();
}
};
if (m_selected_features.second.feature.has_value()) {
const Measure::MeasurementResult& measure = m_measurement_result;
ImGui::Separator();
if (measure.has_any_data()) {
m_imgui->text(_u8L("Measure") + ":");
if (ImGui::BeginTable("Measure", 3)) {
if (measure.angle.has_value()) {
ImGui::PushID("ClipboardAngle");
add_measure_row_to_table(_u8L("Angle"), ImGuiWrapper::COL_ORANGE_LIGHT, format_double(Geometry::rad2deg(measure.angle->angle)) + "°",
ImGui::GetStyleColorVec4(ImGuiCol_Text));
ImGui::PopID();
}
if (measure.distance_infinite.has_value()) {
double distance = measure.distance_infinite->dist;
if (use_inches)
distance = ObjectManipulation::mm_to_in * distance;
ImGui::PushID("ClipboardDistanceInfinite");
add_measure_row_to_table(_u8L("Distance Infinite"), ImGuiWrapper::COL_ORANGE_LIGHT, format_double(distance) + units,
ImGui::GetStyleColorVec4(ImGuiCol_Text));
ImGui::PopID();
}
if (measure.distance_strict.has_value() &&
(!measure.distance_infinite.has_value() || std::abs(measure.distance_strict->dist - measure.distance_infinite->dist) > EPSILON)) {
double distance = measure.distance_strict->dist;
if (use_inches)
distance = ObjectManipulation::mm_to_in * distance;
ImGui::PushID("ClipboardDistanceStrict");
add_measure_row_to_table(_u8L("Distance Strict"), ImGuiWrapper::COL_ORANGE_LIGHT, format_double(distance) + units,
ImGui::GetStyleColorVec4(ImGuiCol_Text));
ImGui::PopID();
}
if (measure.distance_xyz.has_value() && measure.distance_xyz->norm() > EPSILON) {
Vec3d distance = *measure.distance_xyz;
if (use_inches)
distance = ObjectManipulation::mm_to_in * distance;
ImGui::PushID("ClipboardDistanceXYZ");
add_measure_row_to_table(_u8L("Distance XYZ"), ImGuiWrapper::COL_ORANGE_LIGHT, format_vec3(distance),
ImGui::GetStyleColorVec4(ImGuiCol_Text));
ImGui::PopID();
}
ImGui::EndTable();
}
}
else
m_imgui->text(_u8L("No measure available"));
}
if (last_feature != m_curr_feature || last_mode != m_mode || last_selected_features != m_selected_features) {
// the dialog may have changed its size, ask for an extra frame to render it properly
last_feature = m_curr_feature;
last_mode = m_mode;
last_selected_features = m_selected_features;
m_imgui->set_requires_extra_frame();
}
m_imgui->end();
}
void GLGizmoMeasure::on_register_raycasters_for_picking()
{
// the features are rendered on top of the scene, so the raytraced picker should take it into account
m_parent.set_raycaster_gizmos_on_top(true);
}
void GLGizmoMeasure::on_unregister_raycasters_for_picking()
{
m_parent.remove_raycasters_for_picking(SceneRaycaster::EType::Gizmo);
m_parent.set_raycaster_gizmos_on_top(false);
m_raycasters.clear();
m_selection_raycasters.clear();
}
} // namespace GUI
} // namespace Slic3r
#endif // ENABLE_MEASURE_GIZMO
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