Abort if displaying sixel and resizing font

[kumattau]

Contour Terminal version

0.3.0-unreleased-master-bf5976d3

Installer source

Github: source code cloned

Operating System

Ubuntu Linux 20.04

Architecture

x86-64

Other Software

No response

Steps to reproduce

1. display sixel
2. resize font (e.g. Ctrl + Plus)

Expected Behavior

Contour Terminal Emulator does not abort.

Actual Behavior

Contour Terminal Emulator aborts with the following message.

/home/user/src/github.com/contour-terminal/contour/src/terminal_renderer/RenderTarget.cpp:46] Precondition failed. bitmap.size() == bitmapSize.area() * atlas::element_count(bitmapFormat)

========================================================================
  An internal error caused the terminal to crash ;-( 😭
-------------------------------------------------------

Please report this to https://github.com/contour-terminal/contour/issues/

Contour version: 0.3.0-unreleased-master-bf5976d3

Stack Trace:
------------
/home/user/src/github.com/contour-terminal/contour/src/crispy/StackTrace.cpp:90
/usr/include/c++/9/bits/stl_vector.h:95
/home/user/src/github.com/contour-terminal/contour/src/contour/ContourApp.cpp:76
/usr/include/c++/9/sstream:832
0x7f7805f0f0c0
0x7f7805f0f03b
0x7f7805eee859
/home/user/src/github.com/contour-terminal/contour/src/crispy/assert.h:52
/home/user/src/github.com/contour-terminal/contour/src/terminal_renderer/ImageRenderer.cpp:79
/home/user/src/github.com/contour-terminal/contour/src/crispy/StrongLRUHashtable.h:629
/home/user/src/github.com/contour-terminal/contour/src/terminal_renderer/ImageRenderer.cpp:87
/home/user/src/github.com/contour-terminal/contour/src/terminal_renderer/ImageRenderer.cpp:53
/usr/include/c++/9/bits/stl_iterator.h:826 (discriminator 3)
/home/user/src/github.com/contour-terminal/contour/src/terminal_renderer/Renderer.cpp:313
/home/user/src/github.com/contour-terminal/contour/src/contour/opengl/TerminalWidget.cpp:578
0x7f7807344e05
0x7f78073222b6
/home/user/src/github.com/contour-terminal/contour/src/contour/opengl/TerminalWidget.cpp:702
0x7f78072dfa66
0x7f78072e90f0
0x7f780669280a
0x7f780731af4a
0x7f780731b799
0x7f780731c423
0x7f780731c306
0x7f780731b4a4
0x7f780731c423
0x7f780731b4a4
0x7f78072f1bfc
0x7f78072f1dc1
0x7f780730a385
0x7f7807322cac
0x7f7807437148
/home/user/src/github.com/contour-terminal/contour/src/contour/TerminalWindow.cpp:218
0x7f78072dfa66
0x7f78072e90f0
0x7f780669280a
0x7f7806695488
0x7f78066eae37
0x7f7805d9b17d
0x7f7805d9b400
0x7f7805d9b4a3
0x7f78066ea435
0x7f78066913ab
0x7f7806699116
/home/user/src/github.com/contour-terminal/contour/src/contour/ContourGuiApp.cpp:322
/usr/include/c++/9/bits/std_function.h:287
/usr/include/c++/9/bits/std_function.h:689
/home/user/src/github.com/contour-terminal/contour/src/crispy/App.cpp:233
/home/user/src/github.com/contour-terminal/contour/src/contour/ContourGuiApp.cpp:67
/home/user/src/github.com/contour-terminal/contour/src/contour/main.cpp:24
x7f7805ef00b3
??:?
========================================================================

Please report the above information and help making this project better.

Additional notes

Contour Terminal Emulator 0.2.3.183 (from GitHub: release page) does not abort with the steps.

[christianparpart]

Hey @kumattau.

Would you mind trying out the latest release, please (version 0.3.0 in release page should be sufficient).

[christianparpart]

Ah, I just noticed you're already at Contour version: 0.3.0-unreleased-master-bf5976d3. I'll have a look first.