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ENABLE_THUMBNAIL_GENERATOR -> Reduce thumbnail size if exceeding 3D scene canvas size

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This commit is contained in:
Enrico Turri 2019-10-29 07:32:15 +01:00
parent 2896e12a46
commit f36dd833d2
1 changed files with 10 additions and 1 deletions
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11
src/slic3r/GUI/GLCanvas3D.cpp
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@ -1658,6 +1658,16 @@ void GLCanvas3D::render_thumbnail(ThumbnailData& thumbnail_data, unsigned int w,
static const float orange[] = { 0.99f, 0.49f, 0.26f }; static const float orange[] = { 0.99f, 0.49f, 0.26f };
static const float gray[] = { 0.64f, 0.64f, 0.64f }; static const float gray[] = { 0.64f, 0.64f, 0.64f };
const Size& cnv_size = get_canvas_size();
unsigned int cnv_w = (unsigned int)cnv_size.get_width();
unsigned int cnv_h = (unsigned int)cnv_size.get_height();
if ((w > cnv_w) || (h > cnv_h))
{
float ratio = std::min((float)cnv_w / (float)w, (float)cnv_h / (float)h);
w = (unsigned int)(ratio * (float)w);
h = (unsigned int)(ratio * (float)h);
}
thumbnail_data.set(w, h); thumbnail_data.set(w, h);
GLVolumePtrs visible_volumes; GLVolumePtrs visible_volumes;
@ -1720,7 +1730,6 @@ void GLCanvas3D::render_thumbnail(ThumbnailData& thumbnail_data, unsigned int w,
#endif #endif
// restore the framebuffer size to avoid flickering on the 3D scene // restore the framebuffer size to avoid flickering on the 3D scene
const Size& cnv_size = get_canvas_size();
m_camera.apply_viewport(0, 0, cnv_size.get_width(), cnv_size.get_height()); m_camera.apply_viewport(0, 0, cnv_size.get_width(), cnv_size.get_height());
} }
#endif // ENABLE_THUMBNAIL_GENERATOR #endif // ENABLE_THUMBNAIL_GENERATOR