Improve Inkscape icon theme

[SmartFinn]

This PR contains icons for Inkscape v0.92 and most of Inkscape v1.0alpha icons (excluding the symbolic icons).

Supported all of icon sizes:

• smaller — 16px
• small — 18px (16px in Inkscape v1.0alpha)
• large — 24px
• larger — 48px (24px × 2)

NOTE: The setting of the icon size is located in Preferences → Interface (Inkscape v0.92) or Preferences → Interface → Theme (Inkscape v1.0alpha).

Main changes

• Added, updated, and optimized a lot of icons (lists are below)
• Added a lot of icons to 18x18/actions to support small icon size and avoid blurred icons in Inkscape v0.92
• Added 20px paint-* actions icons to 22x22/actions to avoid blurred icons in Inkscape v0.92
• Removed icons from 22x22/actions because not used:
  • boundingbox_*
  • node-*
  • snap-bounding-box-*
  • snap-nodes-*
  • stroke-cap-*
  • stroke-join-*
  • transform-affect-*
• Removed stroke-cap-{bevel,miter} symlinks because not used
• Removed icons from 24x24/actions because not used:
  • boundingbox_*
  • fill-rule-even-odd
  • fill-rule-nonzero
  • paint-none
  • transform-affect-*

Added

• connector-avoid
• connector-ignore
• connector-orthogonal
• dialog-geometry
• dialog-path-effects
• dialog-templates
• dialog-templates
• dialog-templates
• draw-ellipse-arc
• draw-ellipse-chord
• draw-ellipse-segment
• draw-ellipse-whole
• draw-geometry
• draw-geometry-angle-bisector
• draw-geometry-circle-from-radius
• draw-geometry-circle-from-three-points
• draw-geometry-inactive
• draw-geometry-line-parallel
• draw-geometry-line-perpendicular
• draw-geometry-line-segment
• draw-geometry-mirror
• draw-geometry-set-bounding-box
• draw-geometry-show-measuring-info
• draw-trace-background
• draw-use-pressure
• draw-use-tilt
• flatten_simplify
• format-text-direction-r2l
• format-text-direction-vertical-lr
• grid-axonometric
• interactive_simplify
• mesh-gradient-fit
• no-marker
• object-fill
• object-stroke
• object-stroke-style
• object-tweak-attract
• object-tweak-blur
• object-tweak-duplicate
• object-tweak-jitter-color
• object-tweak-paint
• object-tweak-push
• object-tweak-randomize
• object-tweak-rotate
• object-tweak-shrink
• object-ungroup-pop-selection
• pack-less
• pack-more
• paint-gradient-conical
• paint-gradient-linear
• paint-gradient-mesh
• paint-gradient-radial
• paint-order-fms
• paint-order-fsm
• paint-order-mfs
• paint-order-msf
• paint-order-sfm
• paint-order-smf
• paint-pattern
• paint-solid
• paint-swatch
• path-break-apart
• path-combine
• path-cut
• path-difference
• path-division
• path-exclusion
• path-inset
• path-intersection
• path-mode-bezier
• path-mode-bspline
• path-mode-polyline
• path-mode-polyline-paraxial
• path-mode-spiro
• path-offset-dynamic
• path-offset-linked
• path-outset
• path-reverse
• path-simplify
• path-tweak-attract
• path-tweak-grow
• path-tweak-push
• path-tweak-repel
• path-tweak-roughen
• path-tweak-shrink
• path-union
• perspective-parallel
• pixelart-trace
• rectangle-make-corners-sharp
• show-bounding-box
• snap-bounding-box
• spray-mode-clone
• spray-mode-copy
• spray-mode-union
• symbol-add
• symbol-bigger
• symbol-fit
• symbol-remove
• symbol-smaller
• text-convert-to-regular
• text-flow-into-frame
• text-orientation-auto
• text-orientation-sideways
• text-orientation-upright
• text-put-on-path
• text-remove-from-path
• text-unflow
• text-unkern
• text_horz_kern
• text_outer_style
• text_remove_kerns
• text_rotation
• text_vert_kern
• text_word_spacing
• toggle_vp_y
• toggle_vp_z

Updated

• boundingbox_bottom
• boundingbox_bottom_left
• boundingbox_bottom_right
• boundingbox_center
• boundingbox_left
• boundingbox_right
• boundingbox_top
• boundingbox_top_left
• boundingbox_top_right
• color-gradient
• dialog-text-and-font
• edit-clone
• edit-clone-unlink
• edit-duplicate
• edit-select-original
• edit-undo-history
• fill-rule-even-odd
• fill-rule-nonzero
• format-text-direction-horizontal
• format-text-direction-vertical
• mesh-gradient
• object-group
• object-to-path
• object-ungroup
• paint-none
• paint-unknown
• path-clip-edit
• path-effect-parameter-next
• path-mask-edit
• snap-bounding-box-center
• snap-bounding-box-corners
• snap-bounding-box-edges
• snap-bounding-box-midpoints
• snap-nodes-center
• snap-nodes-rotation-center
• stroke-cap-butt
• stroke-cap-round
• stroke-cap-square
• stroke-join-bevel
• stroke-join-miter
• stroke-join-round
• stroke-to-path
• transform-affect-gradient
• transform-affect-pattern
• transform-affect-rounded-corners
• transform-affect-stroke

Optimized

• align-vertical-top-to-anchor
• node-add
• node-break
• node-delete
• node-delete-segment
• node-join
• node-join-segment
• node-segment-curve
• node-segment-line
• node-transform
• node-type-auto-smooth
• node-type-cusp
• node-type-smooth
• node-type-symmetric
• object-flip-horizontal
• object-flip-vertical
• object-rotate-left
• object-rotate-right

NOTES

Inkscape v0.92 requires the following 12px icons but the PR doesn't include it:

• color-management
• connector-orthogonal
• distribute-graph-directed
• distribute-graph
• distribute-remove-overlaps
• draw-trace-background
• draw-use-pressure
• draw-use-tilt
• fill-rule-even-odd
• fill-rule-nonzero
• grid-axonometric
• grid-rectangular
• object-fill
• object-locked
• object-stroke-style
• object-stroke
• object-unlocked
• perspective-parallel
• transform-affect-gradient
• transform-affect-pattern
• transform-affect-rounded-corners
• transform-affect-stroke

[jEsuSdA]

There are some missing icons:

Thanks a lot!

[jEsuSdA]

Some other missing icons on menus:

[SmartFinn]

@jEsuSdA the PR includes all of these icons. You can test it with the following command:

wget -qO- https://git.io/papirus-icon-theme-install | env TAG=inkscape sh

The PR will be merged a bit later.

[jEsuSdA]

@SmartFinn oh! thank you! Sorry. I was too fast! hahaha.