3DPrinting/PrusaSlicer-NonPlainar
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Fix of #3916 (macOS crash when generating WarningTexture)

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Likely the same cause as #3371, hopefully the same solution as presented in 4f1f507
This commit is contained in:
Lukas Matena 2020-03-25 23:52:47 +01:00
parent b3cebdb672
commit 0054134ff8
1 changed files with 7 additions and 0 deletions
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7
src/slic3r/GUI/GLCanvas3D.cpp
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@ -781,6 +781,13 @@ bool GLCanvas3D::WarningTexture::generate(const std::string& msg_utf8, const GLC
#else #else
// select default font // select default font
const float scale = canvas.get_canvas_size().get_scale_factor(); const float scale = canvas.get_canvas_size().get_scale_factor();
#if ENABLE_RETINA_GL
// For non-visible or non-created window getBackingScaleFactor function return 0.0 value.
// And using of the zero scale causes a crash, when we trying to draw text to the (0,0) rectangle
// https://github.com/prusa3d/PrusaSlicer/issues/3916
if (scale <= 0.0f)
return false;
#endif
wxFont font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT).Scale(scale); wxFont font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT).Scale(scale);
#endif #endif