DICOM viewer: zoom and pan support

[Serhiy-Shekhovtsov]

Enabled window width and window center adjustment. Enabled zooming and panning.
Updated the NoduleMarker component to rescale and move the marker accordingly.
Fixed bug - moving slider to cached slices didn't show those slices.

Reference to official issue

#240

Screenshot

CLA

• I have signed the CLA; if other committers are in the commit history, they have signed the CLA as well

[louisgv]

If mutable, let should be preferred over var. However, I would suggest doing it like so:

const scaled = this.translation
    ? {
             x : Math.round((x + this.markerImageSize / 2 - this.translation.offsetX) / this.translation.scale),
             y : Math.round((y + this.markerImageSize / 2 - this.translation.offsetY) / this.translation.scale)
        } 
    : { x, y }
         
    EventBus.$emit('nodule-marker-moved', scaled.x, scaled.y, this.sliceIndex)

[Serhiy-Shekhovtsov]

Done :)

[lamby]

Please don't make unrelated changes in commits - when you use the word "and" or a command (",") in a commit message, it often means that you should split it up into separate commits - makes reviewing and discussion so much easier! (eg. why remove this style? you could explain here but "nobody" will look or can find at this review comment later alas..)

[Serhiy-Shekhovtsov]

@lamby noted! Will update my PR. Btw, this change is a part of fixing the bug with misinterpretation of the predicted coordinates.

[Serhiy-Shekhovtsov]

Moved to separate commit.

[Serhiy-Shekhovtsov]

Looks like the build has been failing since PR #267.

[lamby]

Thanks!