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Scale gizmo rendering

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This commit is contained in:
Enrico Turri 2018-06-13 15:44:04 +02:00
parent 099d59ad27
commit 3a19b81cef
4 changed files with 132 additions and 52 deletions
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81
xs/src/slic3r/GUI/GLGizmo.cpp
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@ -1,6 +1,9 @@
#include "GLGizmo.hpp"
#include "../../libslic3r/Utils.hpp"
#include "../../libslic3r/BoundingBox.hpp"
#include <GL/glew.h>
#include <iostream>
@ -16,6 +19,11 @@ GLGizmoBase::~GLGizmoBase()
{
}
bool GLGizmoBase::init()
{
return on_init();
}
GLGizmoBase::EState GLGizmoBase::get_state() const
{
return m_state;
@ -36,9 +44,9 @@ int GLGizmoBase::get_textures_size() const
return m_textures[Off].get_width();
}
bool GLGizmoBase::init()
void GLGizmoBase::render(const BoundingBoxf3& box) const
{
return on_init();
on_render(box);
}
GLGizmoRotate::GLGizmoRotate()
@ -49,11 +57,6 @@ GLGizmoRotate::GLGizmoRotate()
{
}
void GLGizmoRotate::render() const
{
std::cout << "GLGizmoRotate::render()" << std::endl;
}
bool GLGizmoRotate::on_init()
{
std::string path = resources_dir() + "/icons/overlay/";
@ -73,6 +76,14 @@ bool GLGizmoRotate::on_init()
return true;
}
void GLGizmoRotate::on_render(const BoundingBoxf3& box) const
{
std::cout << "GLGizmoRotate::render()" << std::endl;
}
const float GLGizmoScale::Offset = 5.0f;
const float GLGizmoScale::SquareHalfSize = 2.0f;
GLGizmoScale::GLGizmoScale()
: GLGizmoBase()
, m_scale_x(1.0f)
@ -81,11 +92,6 @@ GLGizmoScale::GLGizmoScale()
{
}
void GLGizmoScale::render() const
{
std::cout << "GLGizmoScale::render()" << std::endl;
}
bool GLGizmoScale::on_init()
{
std::string path = resources_dir() + "/icons/overlay/";
@ -105,5 +111,56 @@ bool GLGizmoScale::on_init()
return true;
}
void GLGizmoScale::on_render(const BoundingBoxf3& box) const
{
::glDisable(GL_LIGHTING);
::glDisable(GL_DEPTH_TEST);
const Pointf3& size = box.size();
const Pointf3& center = box.center();
Pointf3 half_scaled_size = 0.5 * Pointf3((coordf_t)m_scale_x * size.x, (coordf_t)m_scale_y * size.y, (coordf_t)m_scale_z * size.z);
coordf_t min_x = center.x - half_scaled_size.x - (coordf_t)Offset;
coordf_t max_x = center.x + half_scaled_size.x + (coordf_t)Offset;
coordf_t min_y = center.y - half_scaled_size.y - (coordf_t)Offset;
coordf_t max_y = center.y + half_scaled_size.y + (coordf_t)Offset;
::glLineWidth(2.0f);
::glBegin(GL_LINE_LOOP);
// draw outline
::glColor3f(1.0f, 1.0f, 1.0f);
::glVertex3f((GLfloat)min_x, (GLfloat)min_y, 0.0f);
::glVertex3f((GLfloat)max_x, (GLfloat)min_y, 0.0f);
::glVertex3f((GLfloat)max_x, (GLfloat)max_y, 0.0f);
::glVertex3f((GLfloat)min_x, (GLfloat)max_y, 0.0f);
::glEnd();
// draw grabbers
::glColor3f(1.0f, 0.38f, 0.0f);
::glDisable(GL_CULL_FACE);
_render_square(Pointf3(min_x, min_y, 0.0));
_render_square(Pointf3(max_x, min_y, 0.0));
_render_square(Pointf3(max_x, max_y, 0.0));
_render_square(Pointf3(min_x, max_y, 0.0));
::glEnable(GL_CULL_FACE);
}
void GLGizmoScale::_render_square(const Pointf3& center) const
{
float min_x = (float)center.x - SquareHalfSize;
float max_x = (float)center.x + SquareHalfSize;
float min_y = (float)center.y - SquareHalfSize;
float max_y = (float)center.y + SquareHalfSize;
::glBegin(GL_TRIANGLES);
::glVertex3f((GLfloat)min_x, (GLfloat)min_y, 0.0f);
::glVertex3f((GLfloat)max_x, (GLfloat)min_y, 0.0f);
::glVertex3f((GLfloat)max_x, (GLfloat)max_y, 0.0f);
::glVertex3f((GLfloat)max_x, (GLfloat)max_y, 0.0f);
::glVertex3f((GLfloat)min_x, (GLfloat)max_y, 0.0f);
::glVertex3f((GLfloat)min_x, (GLfloat)min_y, 0.0f);
::glEnd();
}
} // namespace GUI
} // namespace Slic3r