Support update drawing objects on inserting/deleting columns/rows

[kjushka]

PR Details

Add an adjusting of drawing coordinates

Description

Added functions to get drawing data and adjust all it's anchors' coordinates
Now it's can't decode xml-files because of structs' fields tags
Not implemented functions to update anchor's innerXML data with changes and to make correct document with current anchor's innerXML data

Related Issue

issue

Motivation and Context

In my work project We need add and delete cols and rows, and document content should move adaptively

How Has This Been Tested

It should be tested with adding picture in sheet and then add few rows before picture target cell

Types of changes

• Docs change / refactoring / dependency upgrade
• Bug fix (non-breaking change which fixes an issue)
• [x ] New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• [ x] My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• [x ] I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[kjushka]

Now my skills are weak to implement needed functions and fix decode with tags
Its my work, and i believe that it will help you

[codecov-commenter]

Codecov Report

Merging #1127 (f2b4528) into master (f753e56) will increase coverage by 0.00%.
The diff coverage is 100.00%.

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@@           Coverage Diff           @@
##           master    #1127   +/-   ##
=======================================
  Coverage   99.03%   99.03%           
=======================================
  Files          32       32           
  Lines       28015    28100   +85     
=======================================
+ Hits        27745    27830   +85     
  Misses        179      179           
  Partials       91       91           

Flag	Coverage Δ
unittests	99.03% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
adjust.go	99.52% <100.00%> (+0.09%)	⬆️
picture.go	100.00% <100.00%> (ø)

[xuri]

LGTM. Thanks for your contribution. I have made some changes based on your branch. This feature will be released in the next version.