Slic3r::GUI::TransformHelper Class Reference

#include </home/runner/work/OrcaSlicer/OrcaSlicer/src/slic3r/GUI/Gizmos/GLGizmoMeasure.hpp>

Collaboration diagram for Slic3r::GUI::TransformHelper:

Classes
struct	Cache

Static Public Member Functions
static Vec3d	model_to_world (const Vec3d &model, const Transform3d &world_matrix)
static Vec4d	world_to_clip (const Vec3d &world, const Matrix4d &projection_view_matrix)
static Vec3d	clip_to_ndc (const Vec4d &clip)
static Vec2d	ndc_to_ss (const Vec3d &ndc, const std::array< int, 4 > &viewport)
static Vec4d	model_to_clip (const Vec3d &model, const Transform3d &world_matrix, const Matrix4d &projection_view_matrix)
static Vec3d	model_to_ndc (const Vec3d &model, const Transform3d &world_matrix, const Matrix4d &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)
static Vec2d	world_to_ss (const Vec3d &world, const Matrix4d &projection_view_matrix, const std::array< int, 4 > &viewport)
static const Matrix4d &	ndc_to_ss_matrix (const std::array< int, 4 > &viewport)
static const Transform3d	ndc_to_ss_matrix_inverse (const std::array< int, 4 > &viewport)

Static Private Member Functions
static void	update (const std::array< int, 4 > &viewport)

Static Private Attributes
static Cache	s_cache = { { 0, 0, 0, 0 }, Matrix4d::Identity(), Transform3d::Identity() }

Detailed Description

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Class Documentation

Slic3r::GUI::TransformHelper::Cache

struct Slic3r::GUI::TransformHelper::Cache

Collaboration diagram for Slic3r::GUI::TransformHelper::Cache:

Class Members
Matrix4d	ndc_to_ss_matrix
Transform3d	ndc_to_ss_matrix_inverse
array< int, 4 >	viewport

Member Function Documentation

clip_to_ndc()

Vec3d Slic3r::GUI::TransformHelper::clip_to_ndc ( const Vec4d & clip )

static

                                                    {
    return Vec3d(clip.x(), clip.y(), clip.z()) / clip.w();
}

Referenced by model_to_ndc(), model_to_ss(), and world_to_ss().

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model_to_clip()

Vec4d Slic3r::GUI::TransformHelper::model_to_clip ( const Vec3d & model, const Transform3d & world_matrix, const Matrix4d & projection_view_matrix )

static

{
    return world_to_clip(model_to_world(model, world_matrix), projection_view_matrix);
}

References model_to_world(), and world_to_clip().

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model_to_ndc()

Vec3d Slic3r::GUI::TransformHelper::model_to_ndc ( const Vec3d & model, const Transform3d & world_matrix, const Matrix4d & projection_view_matrix )

static

{
    return clip_to_ndc(world_to_clip(model_to_world(model, world_matrix), projection_view_matrix));
}

References clip_to_ndc(), model_to_world(), and world_to_clip().

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model_to_ss()

Vec2d Slic3r::GUI::TransformHelper::model_to_ss ( const Vec3d & model, const Transform3d & world_matrix, const Matrix4d & projection_view_matrix, const std::array< int, 4 > & viewport )

static

{
    return ndc_to_ss(clip_to_ndc(world_to_clip(model_to_world(model, world_matrix), projection_view_matrix)), viewport);
}

References clip_to_ndc(), model_to_world(), ndc_to_ss(), and world_to_clip().

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model_to_world()

Vec3d Slic3r::GUI::TransformHelper::model_to_world ( const Vec3d & model, const Transform3d & world_matrix )

static

                                                                                         {
    return world_matrix * model;
}

Referenced by model_to_clip(), model_to_ndc(), and model_to_ss().

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ndc_to_ss()

Vec2d Slic3r::GUI::TransformHelper::ndc_to_ss ( const Vec3d & ndc, const std::array< int, 4 > & viewport )

static

{
    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 };
};

Referenced by model_to_ss(), and world_to_ss().

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ndc_to_ss_matrix()

const Matrix4d & Slic3r::GUI::TransformHelper::ndc_to_ss_matrix ( const std::array< int, 4 > & viewport )

static

{
    update(viewport);
    return s_cache.ndc_to_ss_matrix;
}

References s_cache, and update().

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ndc_to_ss_matrix_inverse()

const Transform3d Slic3r::GUI::TransformHelper::ndc_to_ss_matrix_inverse ( const std::array< int, 4 > & viewport )

static

{
    update(viewport);
    return s_cache.ndc_to_ss_matrix_inverse;
}

References s_cache, and update().

Referenced by Slic3r::GUI::GLGizmoMeasure::render_dimensioning().

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update()

void Slic3r::GUI::TransformHelper::update ( const std::array< int, 4 > & viewport )

staticprivate

{
    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;
}

References s_cache.

Referenced by ndc_to_ss_matrix(), and ndc_to_ss_matrix_inverse().

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world_to_clip()

Vec4d Slic3r::GUI::TransformHelper::world_to_clip ( const Vec3d & world, const Matrix4d & projection_view_matrix )

static

{
    return projection_view_matrix * Vec4d(world.x(), world.y(), world.z(), 1.0);
}

Referenced by model_to_clip(), model_to_ndc(), model_to_ss(), and world_to_ss().

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world_to_ss()

Vec2d Slic3r::GUI::TransformHelper::world_to_ss ( const Vec3d & world, const Matrix4d & projection_view_matrix, const std::array< int, 4 > & viewport )

static

{
    return ndc_to_ss(clip_to_ndc(world_to_clip(world, projection_view_matrix)), viewport);
}

References clip_to_ndc(), ndc_to_ss(), and world_to_clip().

Referenced by Slic3r::GUI::GLGizmoMeasure::render_dimensioning().

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Member Data Documentation

s_cache

TransformHelper::Cache Slic3r::GUI::TransformHelper::s_cache = { { 0, 0, 0, 0 }, Matrix4d::Identity(), Transform3d::Identity() }

staticprivate

Referenced by ndc_to_ss_matrix(), ndc_to_ss_matrix_inverse(), and update().

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The documentation for this class was generated from the following files:

• /home/runner/work/OrcaSlicer/OrcaSlicer/src/slic3r/GUI/Gizmos/GLGizmoMeasure.hpp
• /home/runner/work/OrcaSlicer/OrcaSlicer/src/slic3r/GUI/Gizmos/GLGizmoMeasure.cpp