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Support for HiDPI in OpenGL on Linux / GTK3.

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wxGTK3 HiDPI support seems to emulate what OSX does quite closely,
thus the changes are relatively minimal.

Also fixed an ugly rounding issue when populating the ImGUI font map
with image thumbnails.

Fixes Gtk3 issue on 4k+ screens #4135
Fixes HiDPI screens with Wayland on Fedora 30 cause Plater view to be too small. #3245
This commit is contained in:
Vojtech Bubnik 2020-12-15 12:14:30 +01:00
parent 43581059ff
commit a13b35ce92
4 changed files with 20 additions and 6 deletions
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5
src/slic3r/GUI/GLCanvas3D.hpp
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@ -31,8 +31,9 @@ class wxPaintEvent;
class wxGLCanvas;
class wxGLContext;
// Support for Retina OpenGL on Mac OS
#define ENABLE_RETINA_GL __APPLE__
// Support for Retina OpenGL on Mac OS.
// wxGTK3 seems to simulate OSX behavior in regard to HiDPI scaling support, enable it as well.
#define ENABLE_RETINA_GL (__APPLE__ || __WXGTK3__)
namespace Slic3r {