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Another fix of the gizmo grabber color picking

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This commit is contained in:
Lukas Matena 2019-03-15 11:04:08 +01:00
parent 32c9e8b168
commit ef939905b1
2 changed files with 3 additions and 4 deletions
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3
src/slic3r/GUI/GLCanvas3D.cpp
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@ -6286,7 +6286,6 @@ void GLCanvas3D::_picking_pass() const
::glReadPixels(pos(0), cnv_size.get_height() - pos(1) - 1, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, (void*)color);
volume_id = color[0] + color[1] * 256 + color[2] * 256 * 256;
}
if ((0 <= volume_id) && (volume_id < (int)m_volumes.volumes.size()))
{
m_hover_volume_id = volume_id;
@ -6295,7 +6294,7 @@ void GLCanvas3D::_picking_pass() const
else
{
m_hover_volume_id = -1;
m_gizmos.set_hover_id(inside ? (254 - (int)color[2]) : -1);
m_gizmos.set_hover_id(inside && volume_id <= 254 * 255 * 255 ? (254 * 255 * 255 - volume_id) : -1);
}
_update_volumes_hover_state();

4
src/slic3r/GUI/GLGizmo.cpp
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@ -255,9 +255,9 @@ std::array<float, 3> GLGizmoBase::picking_color_component(unsigned int id) const
if (m_group_id > -1)
id -= m_group_id;
return std::array<float, 3> { (float)((id >> 16) & 0xff) * INV_255, // red
return std::array<float, 3> { (float)((id >> 0) & 0xff) * INV_255, // red
(float)((id >> 8) & 0xff) * INV_255, // green
(float)(id & 0xff) * INV_255}; // blue
(float)((id >> 16)& 0xff) * INV_255}; // blue
}
void GLGizmoBase::render_grabbers(const BoundingBoxf3& box) const