mirror of
https://github.com/SoftFever/OrcaSlicer.git
synced 2025-07-15 02:37:51 -06:00
Scale gizmo interaction with mouse
This commit is contained in:
Enrico Turri
parent
52a7d7ed09
commit
6874949556
5 changed files with 263 additions and 94 deletions
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@ -10,10 +10,54 @@
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namespace Slic3r {
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namespace GUI {
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const float GLGizmoBase::Grabber::HalfSize = 2.0f;
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const float GLGizmoBase::Grabber::HoverOffset = 0.5f;
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const float GLGizmoBase::BaseColor[3] = { 1.0f, 1.0f, 1.0f };
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const float GLGizmoBase::HighlightColor[3] = { 1.0f, 0.38f, 0.0f };
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const float GLGizmoBase::GrabberHalfSize = 2.0f;
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const float GLGizmoBase::HoverOffset = 0.5f;
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GLGizmoBase::Grabber::Grabber()
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: center(Pointf(0.0, 0.0))
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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) const
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{
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float min_x = (float)center.x - HalfSize;
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float max_x = (float)center.x + HalfSize;
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float min_y = (float)center.y - HalfSize;
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float max_y = (float)center.y + HalfSize;
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::glColor3f((GLfloat)color[0], (GLfloat)color[1], (GLfloat)color[2]);
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::glDisable(GL_CULL_FACE);
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::glBegin(GL_TRIANGLES);
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::glVertex3f((GLfloat)min_x, (GLfloat)min_y, 0.0f);
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::glVertex3f((GLfloat)max_x, (GLfloat)min_y, 0.0f);
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::glVertex3f((GLfloat)max_x, (GLfloat)max_y, 0.0f);
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::glVertex3f((GLfloat)max_x, (GLfloat)max_y, 0.0f);
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::glVertex3f((GLfloat)min_x, (GLfloat)max_y, 0.0f);
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::glVertex3f((GLfloat)min_x, (GLfloat)min_y, 0.0f);
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::glEnd();
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::glEnable(GL_CULL_FACE);
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if (hover)
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{
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min_x -= HoverOffset;
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max_x += HoverOffset;
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min_y -= HoverOffset;
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max_y += HoverOffset;
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::glBegin(GL_LINE_LOOP);
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::glVertex3f((GLfloat)min_x, (GLfloat)min_y, 0.0f);
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::glVertex3f((GLfloat)max_x, (GLfloat)min_y, 0.0f);
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::glVertex3f((GLfloat)max_x, (GLfloat)max_y, 0.0f);
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::glVertex3f((GLfloat)min_x, (GLfloat)max_y, 0.0f);
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::glEnd();
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}
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}
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GLGizmoBase::GLGizmoBase()
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: m_state(Off)
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@ -50,9 +94,27 @@ int GLGizmoBase::get_textures_size() const
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return m_textures[Off].get_width();
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}
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int GLGizmoBase::get_hover_id() const
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{
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return m_hover_id;
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}
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void GLGizmoBase::set_hover_id(int id)
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{
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m_hover_id = id;
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if (id < (int)m_grabbers.size())
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m_hover_id = id;
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}
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void GLGizmoBase::start_dragging()
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{
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if (m_hover_id != -1)
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m_start_drag_position = m_grabbers[m_hover_id].center;
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}
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void GLGizmoBase::update(const Pointf& mouse_pos)
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{
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if (m_hover_id != -1)
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on_update(mouse_pos);
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}
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void GLGizmoBase::render(const BoundingBoxf3& box) const
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@ -65,37 +127,11 @@ void GLGizmoBase::render_for_picking(const BoundingBoxf3& box) const
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on_render_for_picking(box);
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}
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void GLGizmoBase::render_grabber(const Pointf3& center, bool hover) const
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void GLGizmoBase::render_grabbers() const
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{
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float min_x = (float)center.x - GrabberHalfSize;
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float max_x = (float)center.x + GrabberHalfSize;
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float min_y = (float)center.y - GrabberHalfSize;
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float max_y = (float)center.y + GrabberHalfSize;
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::glDisable(GL_CULL_FACE);
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::glBegin(GL_TRIANGLES);
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::glVertex3f((GLfloat)min_x, (GLfloat)min_y, 0.0f);
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::glVertex3f((GLfloat)max_x, (GLfloat)min_y, 0.0f);
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::glVertex3f((GLfloat)max_x, (GLfloat)max_y, 0.0f);
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::glVertex3f((GLfloat)max_x, (GLfloat)max_y, 0.0f);
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::glVertex3f((GLfloat)min_x, (GLfloat)max_y, 0.0f);
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::glVertex3f((GLfloat)min_x, (GLfloat)min_y, 0.0f);
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::glEnd();
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::glEnable(GL_CULL_FACE);
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if (hover)
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for (unsigned int i = 0; i < (unsigned int)m_grabbers.size(); ++i)
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{
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min_x -= HoverOffset;
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max_x += HoverOffset;
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min_y -= HoverOffset;
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max_y += HoverOffset;
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::glBegin(GL_LINE_LOOP);
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::glVertex3f((GLfloat)min_x, (GLfloat)min_y, 0.0f);
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::glVertex3f((GLfloat)max_x, (GLfloat)min_y, 0.0f);
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::glVertex3f((GLfloat)max_x, (GLfloat)max_y, 0.0f);
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::glVertex3f((GLfloat)min_x, (GLfloat)max_y, 0.0f);
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::glEnd();
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m_grabbers[i].render(m_hover_id == i);
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}
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}
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@ -133,9 +169,16 @@ bool GLGizmoRotate::on_init()
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if (!m_textures[On].load_from_file(filename, false))
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return false;
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m_grabbers.push_back(Grabber());
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return true;
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}
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void GLGizmoRotate::on_update(const Pointf& mouse_pos)
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{
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// std::cout << "GLGizmoRotate::on_update() - delta (" << delta.x << ", " << delta.y << ")" << std::endl;
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}
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void GLGizmoRotate::on_render(const BoundingBoxf3& box) const
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{
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::glDisable(GL_LIGHTING);
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@ -161,15 +204,10 @@ void GLGizmoRotate::on_render_for_picking(const BoundingBoxf3& box) const
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::glDisable(GL_LIGHTING);
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::glDisable(GL_DEPTH_TEST);
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const Pointf3& size = box.size();
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const Pointf3& center = box.center();
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float radius = Offset + ::sqrt(sqr(0.5f * size.x) + sqr(0.5f * size.y)) + GrabberOffset;
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float x = center.x + ::cos(m_angle_z) * radius;
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float y = center.y + ::sin(m_angle_z) * radius;
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::glColor3f(1.0f, 1.0f, 254.0f / 255.0f);
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render_grabber(Pointf3((coordf_t)x, (coordf_t)y, 0.0), false);
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m_grabbers[0].color[0] = 1.0f;
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m_grabbers[0].color[1] = 1.0f;
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m_grabbers[0].color[2] = 254.0f / 255.0f;
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render_grabbers();
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}
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void GLGizmoRotate::_render_circle(const Pointf3& center, float radius) const
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@ -240,16 +278,16 @@ void GLGizmoRotate::_render_reference_radius(const Pointf3& center, float radius
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void GLGizmoRotate::_render_grabber(const Pointf3& center, float radius) const
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{
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float grabber_radius = radius + GrabberOffset;
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float x = center.x + ::cos(m_angle_z) * grabber_radius;
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float y = center.y + ::sin(m_angle_z) * grabber_radius;
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m_grabbers[0].center.x = center.x + ::cos(m_angle_z) * grabber_radius;
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m_grabbers[0].center.y = center.y + ::sin(m_angle_z) * grabber_radius;
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::glBegin(GL_LINES);
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::glVertex3f((GLfloat)center.x, (GLfloat)center.y, 0.0f);
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::glVertex3f((GLfloat)x, (GLfloat)y, 0.0f);
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::glVertex3f((GLfloat)m_grabbers[0].center.x, (GLfloat)m_grabbers[0].center.y, 0.0f);
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::glEnd();
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::glColor3fv(HighlightColor);
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render_grabber(Pointf3((coordf_t)x, (coordf_t)y, 0.0), (m_hover_id != -1));
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::memcpy((void*)m_grabbers[0].color, (const void*)HighlightColor, 4 * sizeof(float));
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render_grabbers();
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}
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const float GLGizmoScale::Offset = 5.0f;
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@ -278,9 +316,28 @@ bool GLGizmoScale::on_init()
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if (!m_textures[On].load_from_file(filename, false))
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return false;
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for (unsigned int i = 0; i < 4; ++i)
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{
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m_grabbers.push_back(Grabber());
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}
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return true;
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}
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void GLGizmoScale::on_update(const Pointf& mouse_pos)
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{
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Pointf center(0.5 * (m_grabbers[1].center.x + m_grabbers[0].center.x), 0.5 * (m_grabbers[3].center.y + m_grabbers[0].center.y));
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coordf_t orig_len = length(m_start_drag_position - center);
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coordf_t new_len = length(mouse_pos - center);
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coordf_t ratio = (orig_len != 0.0) ? new_len / orig_len : 1.0;
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m_scale_x = (float)ratio;
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m_scale_y = (float)ratio;
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m_scale_z = (float)ratio;
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}
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void GLGizmoScale::on_render(const BoundingBoxf3& box) const
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{
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::glDisable(GL_LIGHTING);
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@ -295,22 +352,31 @@ void GLGizmoScale::on_render(const BoundingBoxf3& box) const
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coordf_t min_y = center.y - half_scaled_size.y - (coordf_t)Offset;
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coordf_t max_y = center.y + half_scaled_size.y + (coordf_t)Offset;
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m_grabbers[0].center.x = min_x;
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m_grabbers[0].center.y = min_y;
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m_grabbers[1].center.x = max_x;
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m_grabbers[1].center.y = min_y;
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m_grabbers[2].center.x = max_x;
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m_grabbers[2].center.y = max_y;
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m_grabbers[3].center.x = min_x;
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m_grabbers[3].center.y = max_y;
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::glLineWidth(2.0f);
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::glColor3fv(BaseColor);
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// draw outline
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::glBegin(GL_LINE_LOOP);
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::glVertex3f((GLfloat)min_x, (GLfloat)min_y, 0.0f);
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::glVertex3f((GLfloat)max_x, (GLfloat)min_y, 0.0f);
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::glVertex3f((GLfloat)max_x, (GLfloat)max_y, 0.0f);
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::glVertex3f((GLfloat)min_x, (GLfloat)max_y, 0.0f);
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for (unsigned int i = 0; i < 4; ++i)
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{
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::glVertex3f((GLfloat)m_grabbers[i].center.x, (GLfloat)m_grabbers[i].center.y, 0.0f);
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}
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::glEnd();
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// draw grabbers
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::glColor3fv(HighlightColor);
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render_grabber(Pointf3(min_x, min_y, 0.0), (m_hover_id == 0));
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render_grabber(Pointf3(max_x, min_y, 0.0), (m_hover_id == 1));
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render_grabber(Pointf3(max_x, max_y, 0.0), (m_hover_id == 2));
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render_grabber(Pointf3(min_x, max_y, 0.0), (m_hover_id == 3));
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for (unsigned int i = 0; i < 4; ++i)
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{
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::memcpy((void*)m_grabbers[i].color, (const void*)HighlightColor, 4 * sizeof(float));
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}
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render_grabbers();
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}
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void GLGizmoScale::on_render_for_picking(const BoundingBoxf3& box) const
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@ -320,24 +386,13 @@ void GLGizmoScale::on_render_for_picking(const BoundingBoxf3& box) const
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::glDisable(GL_LIGHTING);
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::glDisable(GL_DEPTH_TEST);
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const Pointf3& size = box.size();
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const Pointf3& center = box.center();
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Pointf half_scaled_size = 0.5 * Pointf((coordf_t)m_scale_x * size.x, (coordf_t)m_scale_y * size.y);
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coordf_t min_x = center.x - half_scaled_size.x - (coordf_t)Offset;
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coordf_t max_x = center.x + half_scaled_size.x + (coordf_t)Offset;
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coordf_t min_y = center.y - half_scaled_size.y - (coordf_t)Offset;
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coordf_t max_y = center.y + half_scaled_size.y + (coordf_t)Offset;
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// draw grabbers
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::glColor3f(1.0f, 1.0f, 254.0f * INV_255);
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render_grabber(Pointf3(min_x, min_y, 0.0), false);
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::glColor3f(1.0f, 1.0f, 253.0f * INV_255);
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render_grabber(Pointf3(max_x, min_y, 0.0), false);
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::glColor3f(1.0f, 1.0f, 252.0f * INV_255);
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render_grabber(Pointf3(max_x, max_y, 0.0), false);
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::glColor3f(1.0f, 1.0f, 251.0f * INV_255);
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render_grabber(Pointf3(min_x, max_y, 0.0), false);
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for (unsigned int i = 0; i < 4; ++i)
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{
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m_grabbers[i].color[0] = 1.0f;
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m_grabbers[i].color[1] = 1.0f;
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m_grabbers[i].color[2] = (254.0f - (float)i) * INV_255;
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}
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render_grabbers();
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}
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} // namespace GUI
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