Fix rotate tool on mobile devices

[Zckr07]

• Please check if the PR fulfills these requirements

• The commit message follows our guidelines
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

  • Bug fix: The RotateTool does not work on mobile device.

• What is the current behavior? (You can also link to an open issue here)

  • The RotateTool does not work on mobile devices. viewport.initialRotation is undefined

• What is the new behavior (if this is a feature change)?

  • The RotateTool works fine on mobile devices.

• Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)

• Other information:
  I modified function defaultStrategy(evt) in RotateTool.js.

[codecov]

Codecov Report

Merging #1385 (ac7f9e1) into master (291b8e9) will increase coverage by 0.60%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #1385      +/-   ##
==========================================
+ Coverage   18.93%   19.53%   +0.60%     
==========================================
  Files         286      286              
  Lines        8684    10122    +1438     
  Branches     1486     2068     +582     
==========================================
+ Hits         1644     1977     +333     
- Misses       5827     6931    +1104     
- Partials     1213     1214       +1     

Impacted Files	Coverage Δ
src/tools/RotateTool.js	16.66% <0.00%> (+3.03%)	⬆️
src/util/getPixelSpacing.js	57.14% <0.00%> (-17.86%)	⬇️
src/stateManagement/textStyle.js	25.00% <0.00%> (-15.00%)	⬇️
src/store/modules/cursorModule.js	66.66% <0.00%> (-13.34%)	⬇️
src/externalModules.js	20.00% <0.00%> (-13.34%)	⬇️
src/stateManagement/toolCoordinates.js	20.00% <0.00%> (-13.34%)	⬇️
src/drawing/drawLine.js	87.50% <0.00%> (-12.50%)	⬇️
src/stateManagement/toolStyle.js	45.45% <0.00%> (-11.69%)	⬇️
src/stateManagement/toolColors.js	30.00% <0.00%> (-8.47%)	⬇️
src/eventListeners/internals/renderSegmentation.js	5.55% <0.00%> (-5.56%)	⬇️
... and 260 more

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[Zckr07]

Can someone tellme what's the problem with codecov/patch? i added test code on RotateTool.test.js

[swederik]

Thanks!

[dannyrb]

🎉 This PR is included in version 5.2.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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