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ENH: thumbnail: optimize the thumbnail

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1. set background to transparent
2. set the view to iso

Change-Id: Ib3371e60bea743ade55430a5d39b58f9b9acf050
This commit is contained in:
lane.wei 2023-05-10 19:32:05 +08:00 • committed by Lane.Wei
parent 53787b4c9e
commit a2da7e391b
3 changed files with 24 additions and 7 deletions
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15
src/slic3r/GUI/Camera.cpp
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@ -87,7 +87,7 @@ void Camera::set_zoom(double zoom)
void Camera::select_view(const std::string& direction)
{
if (direction == "iso")
set_default_orientation();
set_iso_orientation();
else if (direction == "left")
look_at(m_target - m_distance * Vec3d::UnitX(), m_target, Vec3d::UnitZ());
else if (direction == "right")
@ -578,6 +578,19 @@ void Camera::set_default_orientation()
m_view_matrix.fromPositionOrientationScale(m_view_rotation * (-camera_pos), m_view_rotation, Vec3d::Ones());*/
}
void Camera::set_iso_orientation()
{
m_zenit = 45.0f;
const double theta_rad = Geometry::deg2rad(-(double)m_zenit);
const double phi_rad = Geometry::deg2rad(45.0);
const double sin_theta = ::sin(theta_rad);
const Vec3d camera_pos = m_target + m_distance * Vec3d(sin_theta * ::sin(phi_rad), sin_theta * ::cos(phi_rad), ::cos(theta_rad));
m_view_rotation = Eigen::AngleAxisd(theta_rad, Vec3d::UnitX()) * Eigen::AngleAxisd(phi_rad, Vec3d::UnitZ());
m_view_rotation.normalize();
m_view_matrix.fromPositionOrientationScale(m_view_rotation * (-camera_pos), m_view_rotation, Vec3d::Ones());
}
Vec3d Camera::validate_target(const Vec3d& target) const
{
BoundingBoxf3 test_box = m_scene_box;