Inkscape Salah Satu Software Desain Grafis

Sejarah Inkscape

            Inkscape dirintis pada 2003 sebagai sebuah fork dari proyek Sodipodi. Sodipodi sendiri, yang dikembangkan sejak 1999, didasarkan pada Gill (Gnome Illustration Application), buah karya dari Raph Levien.

Fork itu dipandu oleh sebuah tim berjumlah empat orang yang beranggotakan mantan pengembang Sodipodi (Ted Gould, Bryce Harrington, Nathan Hurst, dan MenTaLguY) yang mengenali perbedaan-perbedaan dari tujuan-tujuan projek itu, keterbukaan bagi kontribusi pihak ketiga, dan ketidaksetujuan teknis sebagai alasan mereka melakukan forking. Dengan Inkscape, mereka berpendapat bahwa mereka dapat memfokuskan pengembangan pada penerapan standar SVG secara lengkap, tidak seperti pengembangan Sodipodi yang menekankan pada pembuatan sebuah editor grafik vektor yang umum, dengan mengorbankan implementasi SVG.[4]

Sejak dikembangkan dalam fork itu, Inkscape berganti dari menggunakan bahasa pemrograman C ke C++; berubah ke GTK+ toolkit C++ bindings (gtkmm); merancang ulang antarmuka pengguna dan menambahkan sejumlah fitur baru. Penerapannya terhadap standar SVG telah menunjukkan perbaikan yang signifikan, meski belum lengkap.

Lebih baik daripada prinsip perintah atasan-bawahan, para pengembang dikondisikan dengan budaya kesetaraan di mana ide bermunculan dari kemampuan para pengembang secara perseorangan dan keterlibatan yang aktif di dalam proyek. Hasilnya, proyek ini menempatkan penekanan istimewa pada pemberian akses penuh bagi semua pengembang untuk mengakses kode sumber, dan pada keikutsertaan di dalam komunitas open source yang lebih luas (seringkali berbentuk inisiatif antar-proyek seperti Create Project, Libre Graphics Meeting dan Open Clip Art Library). Walaupun pendatang baru dapat memainkan peranan penting, para pendiri projek masih terwakili secara baik pada proses pengambilan keputusan. Di antara mereka adalah "bulia byak", arsitek dari perubahan antarmuka pengguna Inkscape yang radikal yang telah memberi Inkscape bentuknya sekarang. Antarmuka baru itu berorientasi pada antarmuka pengguna grafik dari Xara Xtreme.

Setelah Xara meluncurkan rencana untuk merilis aplikasi pelukisan Xara Xtreme secara open source, mereka mengungkapkan minat untuk bekerja sama dengan Inkscape agar kedua-dua proyek ini dapat saling berbagi kode, usaha terkoordinasi, dan membuat editor grafik open source yang lebih hebat daripada editor grafik apapun yang tersedia secara proprietary.

Sejak 2005, Inkscape ikut serta di dalam Summer of Code, program dari Google.[5]

Sejak November 2007, sistem pencarian kesalahan program Inkscape ditanam di Sourceforge, tetapi pada 21 November 2007 dinyatakan bahwa mereka akan memindahkannya ke Launchpad.[6]

Fungsi Unggulan

            Bisa Dilihat DiBrowser
            Tidak seperti software lainnya untuk melihat file dokument yang di hasilkan perlu membuka pogramnya langsung. File dokumen inkscape bisa di lihat pada Software Web Broser di komputer anda karena File yang di hasilkan oleh Inkscape adalah SVG yang memenuhi standar XML. jadi tidak heran bisa di buka pada Software Web broser seperti Google Chrome.

Screenshot Workspace

Icon Aplikasi

Keyboard Shortcut 

F1, s	Selector
Space	Selector (temporary)
Space switches to the Selector tool temporarily; another Space switches back.
When the "Left mouse button pans when Space is pressed" option is on in Preferences, Space+mouse drag pans canvas instead of switching to Selector.
F2, n	Node tool
Shift +F2, w	Tweak tool
F3, z	Zoom tool
n	Measure tool
F4, r	Rectangle tool
Shift +F4, x	3D box tool
F5, e	Ellipse/arc tool
Shift +F9, *	Star tool
F9, i	Spiral tool
F6, p	Pencil (Freehand) tool
Shift +F6, b	Pen (Bezier) tool
Ctrl +F6, c	Calligraphy tool
F8, t	Text tool
Shift +F3, a	Spray tool
Shift +E	Eraser tool
Shift +F7, u	Paint Bucket tool
Ctrl +F1, g	Gradient tool
F7, d	Dropper tool
Ctrl +F2, o	Connector tool
Double click on the tool buttons opens the Preferences dialog showing the page of the corresponding tool.

Dialogs

Open
Shift + Ctrl +F	Fill and Stroke
Shift + Ctrl +W	Swatches
Shift + Ctrl +T	Text and Font
Shift + Ctrl +M	Transform
Shift + Ctrl +L	Layers
Shift + Ctrl +A	Align and Distribute
Shift + Ctrl +O	Object Properties
Shift + Ctrl +H	Undo History
Shift + Ctrl +X	XML Editor
Shift + Ctrl +D	Document Preferences
Shift + Ctrl +P	Inkscape Preferences
Shift + Ctrl +E	Export to PNG
Ctrl +F	Find
Shift + Alt +B	Trace Bitmap
Shift + Ctrl +7	Path Effects
Ctrl + Alt +K	Check Spelling
These shortcuts open a new dialog window if it wasn't open yet, otherwise the corresponding dialog gets focus.
Toggle visibility
F12	toggle dialogs
This temporarily hides all open dialogs; another F12 shows them again.
Within a dialog
Esc	return to the canvas
Ctrl +F4, Ctrl +W	close the dialog
Tab	jump to next widget
Shift +Tab	jump to previous widget
Enter	set the new value
This accepts the new value you typed in a text field and returns focus to canvas.
Ctrl +Enter	in XML Editor, set the attr value
When editing an attribute value in XML Editor, this sets the new value (same as clicking the "Set attribute" button).
Space, Enter	activate current button or list
Ctrl +PgUp, Ctrl +PgDn	in a multi-tab dialog, switch tabs

Controls bar

Access
The Controls bar at the top of the document window provides different buttons and controls for each tool.
Alt +X	jump to the first editable field
Navigate
Tab	jump to next field
Shift +Tab	jump to previous field
Use these to navigate between fields in the Controls bar (the value in the field you leave, if changed, is accepted).
Change values
Up arrow, Down arrow	change value by 0.1
PgUp, PgDn	change value by 5.0
Enter	accept the new value
This accepts the new value you typed in a text field and returns focus to canvas.
Esc	cancel changes, return to canvas
This cancels any changes you made in a text field and returns focus to canvas.
Ctrl +Z	cancel changes
This cancels any changes you made in a text field but you stay in the field.

Canvas

Zoom
=, +	zoom in
-	zoom out
The keypad +/- keys do zooming even when you are editing a text object, unless NumLock is on.
middle click, Ctrl +right click	zoom in
Shift +middle click, Shift +right click	zoom out
Ctrl +mouse wheel	zoom in or out
When the "Mouse wheel zooms by default" option is on in Preferences, Ctrl+wheel scrolls instead of zooming. To zoom, use wheel without Ctrl.
Shift +middle button drag	zoom into the area
Alt +Z	activate zoom field
The zoom field in the lower right corner of the window allows you to specify zoom level precisely.
Q	quick zoom
Zooms to selection, or doubles the current zoom factor if nothing is selected, until key is released.
Preset zooms
1	zoom 1:1
2	zoom 1:2
3	zoom to selection
4	zoom to drawing
5	zoom to page
Ctrl +E, 6	zoom to page width
Zoom history
`	(back quote) previous zoom
Shift +`	next zoom
With these keys, you can travel back and forth through the history of zooms in this session.
Scroll (pan)
Ctrl +arrows	scroll canvas
Scrolling by keys is accelerated, i.e. it speeds up when you press Ctrl+arrows in quick succession, or press and hold.
middle button drag	pan canvas
Shift +right button drag, Ctrl+right button drag	pan canvas
mouse wheel	scroll canvas vertically
When the "Mouse wheel zooms by default" option is on in Preferences, mouse wheel zooms instead of scrolling. To scroll, use Ctrl+wheel.
Shift +mouse wheel	scroll canvas horizontally
When the "Left mouse button pans when Space is pressed" option is on in Preferences, Space+mouse drag also pans canvas.
Guides, grids, snapping
mouse drag	drag off a ruler to create guide
Drag off the horizontal or vertical ruler to create a new guideline. Drag a guideline onto the ruler to delete it.
mouse drag	drag a guide to move it
Shift +mouse drag	drag a guide (not near anchor) to rotate it
Shift + Ctrl +mouse drag	rotate guide with angle snapping
Del	delete guide
|, Shift +\	toggle guides and snapping to guides
If you want to see the guides but not snap to them, use the global snapping toggle (% key).
When you create a new guide by dragging off the ruler, guide visibility and snapping are turned on.
#, Shift +3	toggle grids and snapping to grids
If you want to see the grids but not snap to them, use the global snapping toggle (% key).
Note that only the 3 key on the main keyboard works, not on the keypad.
%	toggle snapping on and off
This toggle affects snapping to grids, guides, and objects in all tools.
Display mode
Ctrl +keypad 5	toggle normal/no filters/outline mode

Palette

These keys work both in the floating palette dialog and in the palette frame at the bottom of the window.
click	set fill color on selection
Shift +click	set stroke color on selection
right click	open pop-up menu
mouse drag	drag fill color to objects
Shift +mouse drag	drag stroke color to objects
To change fill/stroke of an object by dragging color on it, that object need not be selected.
You can also drag colors to the Fill (F) and Stroke (S) indicators in the statusbar to change the selection.
mouse wheel	scroll palette

File

Ctrl +N	create new document
Ctrl +O	open a document
Shift + Ctrl +E	export to PNG
Ctrl +I	import bitmap or vector
Ctrl +P	print document
Ctrl +S	save document
Shift + Ctrl +S	save under a new name
Shift + Ctrl + Alt +S	save a copy
Ctrl +Q	exit Inkscape

Window

Ctrl +R	toggle rulers
Ctrl +B	toggle scrollbars
Shift + Alt +P	toggle palette
F11	toggle fullscreen
Shift +F11	toggle toolbars
Ctrl +F11	toggle toolbars and fullscreen
F10	main menu
Menus can also be activated by Alt with the letter underscored in the menu name.
Shift +F10, right click	drop-down (context) menu
Ctrl +F4, Ctrl +W	close document window
This shuts down Inkscape if it was the only document window open.
Ctrl +Tab	next document window
Shift + Ctrl +Tab	previous document window
These cycle through the active document windows forward and backward.

Extensions

Alt +Q	previous extension
Shift + Alt +Q	previous extension settings

Layers

Shift + Ctrl +N	create new layer
Shift +PgUp	move to layer above
Shift +PgDn	move to layer below
These commands move the selected objects from one layer to another.
Shift + Ctrl +PgUp	raise layer
Shift + Ctrl +PgDn	lower layer
Shift + Ctrl +Home	raise layer to top
Shift + Ctrl +End	lower layer to bottom
These commands move the current layer among its siblings (normally other layers).
Hide/lock
Shift +click	select a layer and toggle visibility (eye icon) or lock status (lock icon) on the other layers
Shift +Alt+click	toggle visibility (eye icon) or lock status (lock icon) on the unselected layers
These commands apply to the Layers dialog's icons only.

Object

Undo/redo
Shift + Ctrl +Y, Ctrl +Z	undo
Shift + Ctrl +Z, Ctrl +Y	redo
Clipboard
Ctrl +C, Ctrl +Ins	copy selection
Ctrl +X, Shift +Del	cut selection
Ctrl +V, Shift +Ins	paste clipboard
This places the clipboard objects at the mouse cursor, or at the center of the window if mouse is outside the canvas.
When editing text with the text tool, this pastes the text from the clipboard into the current text object.
Ctrl + Alt +V	paste in place
This places the clipboard objects into the original location from which they were copied.
Shift + Ctrl +V	paste style
This applies the style of the (first of the) copied object(s) to the current selection.
If a gradient handle (in Gradient tool) or a text span (in Text tool) are selected, they get the style instead of the entire object.
Ctrl +7	paste path effect
This applies the path effect of the copied path to the paths/shapes in current selection.
Duplicate
Ctrl +D	duplicate selection
New object(s) are placed exactly over the original(s) and selected.
Clone
Alt +D	clone object
A clone can be moved/scaled/rotated/skewed independently, but it updates the path, fill, and stroke from its original.
The clone is placed exactly over the original object and is selected.
You can only clone one object at a time; if you want to clone several objects together, group them and clone the group.
Shift + Alt +D	unlink clone
Unlinking a clone cuts the link to the original, turning the clone into a plain copy.
Shift +D	select original
To find out which object this is a clone of, select the clone and give this command. The original will be selected.
Bitmaps
Alt +B	create a bitmap copy
This exports the selected object(s) (all other objects hidden) as PNG in the document's directory and imports it back.
The imported bitmap is placed over the original selection and is selected.
Shift + Alt +B	trace bitmap
This opens the Trace Bitmap dialog allowing you to convert a bitmap object to path(s).
Patterns
Alt +I	object(s) to pattern
This converts the selection to a rectangle with tiled pattern fill.
Shift + Alt +I	pattern to object(s)
Each selected object with pattern fill is broken into the same object without fill and a single pattern object.
Guides
Shift +G	object(s) to guide(s)
Group
Shift + Ctrl +U, Ctrl +G	group selected objects
Use Ctrl+click to select objects within group.
Shift + Ctrl +G, Ctrl +U	ungroup selected group(s)
This removes only one level of grouping; press Ctrl+U repeatedly to ungroup nested groups.
Z-order
Home	raise selection to top
End	lower selection to bottom
PgUp	raise selection one step
PgDn	lower selection one step

Path

Convert to path
Shift + Ctrl +C	convert selected object(s) to path
Ctrl + Alt +C	convert stroke to path
Boolean operations
Ctrl ++	union
Union combines any number of objects into a single path, removing overlaps.
Ctrl +-	difference
Difference works on 2 objects, extracting the top from the bottom.
Ctrl +*	intersection
Intersection creates a path representing the common (overlapping) area of all selected objects.
Ctrl +^	exclusive OR (XOR)
XOR is similar to Union, except that it works on 2 objects and removes areas where the objects overlap.
Ctrl +/	division (cut)
Division cuts the bottom object into pieces by the top object, preserving the fill and stroke of the bottom.
Ctrl + Alt +/	cut path
Cut Path cuts the bottom object's stroke only where it is intersected by the top path, removing any fill from the result.
The result of Union, Difference, Intersection, and XOR inherits the id= attribute and therefore the clones of the bottom object.
Division and Cut path normally produce several objects; of them, a random one inherits the id= of the bottom source object.
Offsets
Ctrl +(	inset path (towards center)
Ctrl +)	outset path (away from center)
The default offset distance is 2 px (SVG pixel units, not screen pixels).
Alt +(	inset path by 1 pixel
Alt +)	outset path by 1 pixel
Shift + Alt +(	inset path by 10 pixels
Shift + Alt +)	outset path by 10 pixels
The actual distance for pixel offsets depends on zoom level. Zoom in for finer adjustment.
All the (, ) commands convert the object to path, if necessary, and produce regular path.
Ctrl +J	create dynamic offset
Ctrl + Alt +J	create linked offset
These commands produce an offset object, editable by the node tool, standalone or linked to the original.
Shift +D	select source
Selecting a linked offset and giving this command will select the source path of the linked offset.
Combine
Ctrl +K	combine paths
This is different from grouping in that combined paths create one object.
This is different from Union in that overlapping areas are not affected.
Whether overlapping areas are filled is controlled by the Fill: winding/alternating switch on the Fill & Stroke dialog.
Shift + Ctrl +K	break paths apart
This attempts to break an object into constituent paths; it will fail if the object is one solid path.
Simplify
Ctrl +L	simplify
This command attempts to simplify selected path(s) by removing extra nodes. It converts all objects to paths first.
If you invoke this command several times in quick succession, it will act more and more aggressively.
Invoking Simplify again after a pause restores the default threshold (settable in the Inkscape Preferences dialog).

Selector

Select (mouse)
click	select an object
When you left-click on an object, previous selection is deselected.
Shift +click	toggle selection
Shift+click adds an object to the current selection if it was not selected, or deselects it otherwise.
click+click	edit the object
For paths, double clicking switches to Node tool; for shapes, to corresponding shape tool; for text, to Text tool.
For groups, double clicking performs the "Enter group" command (the group becomes a temporary layer).
Double clicking in empty space switches to the parent layer in the hierarchy, if any.
Rubberband, touch selection
mouse drag	select by rubberband
Dragging around objects does "rubberband" selection; previous selection is deselected.
Shift +mouse drag	add objects to selection
Normally, you need to start from an empty space to initiate a rubberband.
However, if you press Shift before dragging, Inkscape will do rubberband selection even if you start from an object.
Alt +mouse drag, Shift + Alt+mouse drag	select by touch
Alt+dragging over objects selects those objects that are touched by the path.
To start touch selection with Alt, you must have nothing selected; otherwise use Shift+Alt.
You can switch rubberband selection to touch selection and back while dragging by pressing/releasing Alt.
Select (keyboard)
Tab	select next object
Shift +Tab	select previous object
These keys pick objects in their z-order (Tab cycles from bottom to top, Shift+Tab cycles from top to bottom).
Unless you did manual rearrangements, the last object you created is always on top.
As a result, if nothing is selected, pressing Shift+Tab once conveniently selects the object you created last.
This works on objects within the current layer (unless you change that in preferences).
Ctrl +A	select all (current layer)
This works on objects within the current layer (unless you change that in preferences).
Ctrl + Alt +A	select all (all layers)
This works on objects in all visible and unlocked layers.
!	invert selection (current layer)
This inverts selection (deselects what was selected and vice versa) in the current layer.
Alt +!	invert selection (all layers)
This inverts selection (deselects what was selected and vice versa) in visible and unlocked layers.
Esc	deselect
Backspace, Del	delete selection
Select within group, select under
Ctrl +click	select within group
Ctrl+click selects the object at click point disregarding any levels of grouping that this object might belong to.
Shift + Ctrl +click	toggle selection within group
Alt +click	select under
Alt+click selects the object at click point which is beneath (in z-order) the lowest selected object at click point.
If the bottom object is reached, Alt+click again selects the top object. So, several Alt+clicks cycle through z-order stack at point.
On GNU/Linux, Alt+click and Alt+drag may be reserved by the window manager. Reconfigure it so you can use them in Inkscape.
If your keyboard has a Meta key, you may wish to set your "Modifier key" to use it instead of Alt.
(Sometimes you can also use Ctrl+Alt+click (select under in groups) with the same effect as Alt+click.)
Shift + Alt +click	toggle under
Ctrl + Alt +click	select under, in groups
Shift + Ctrl + Alt +click	toggle under, in groups
Ctrl +Enter	enter group
Ctrl +Backspace	go to parent group/layer
Move (mouse)
mouse drag	select + move
Dragging an object selects it if it was not selected, then moves selection.
Alt +mouse drag	move selected
Alt+drag moves the current selection (without selecting what is under cursor), no matter where you start the drag.
On GNU/Linux, Alt+click and Alt+drag may be reserved by the window manager. Reconfigure it so you can use them in Inkscape.
If your keyboard has a Meta key, you may wish to set your "Modifier key" to use it instead of Alt.
Ctrl +mouse drag	restrict movement to horizontal or vertical
Shift +mouse drag	temporarily disable snapping
This temporarily disables snapping to grid or guides when you are dragging with grid or guides on.
mouse drag+Space	drop a copy
When dragging or transforming with mouse, each Space leaves a copy of the selected object.
You can press and hold Space while dragging for a nice "trail."
Move (keyboard)
arrows	move selection by the nudge distance
Shift +arrows	move selection by 10x nudge distance
The default nudge distance is 2 px (SVG pixel units, not screen pixels).
Alt +arrows	move selection by 1 pixel
Shift + Alt +arrows	move selection by 10 pixels
The actual distance for pixel movements depends on zoom level. Zoom in for finer movement.
Transform (mouse)
click, Shift +S	toggle scale/rotation handles
mouse drag	scale (with scale handles)
mouse drag	rotate or skew (with rotation handles)
Scale by handles
mouse drag	scale
Ctrl +mouse drag	scale preserving aspect ratio
Shift +mouse drag	symmetric transformation
Holding Shift while transforming makes transformation symmetric around the center of the selection.
Alt +mouse drag	scale by integer
Hold Alt while scaling to limit scale to 2, 3, 4, etc. or 1/2, 1/3, 1/4 etc. of the initial size.
Scale (keyboard)
., >	scale selection up by the scale step
,, <	scale selection down by the scale step
The default scale step is 2 px (SVG pixel units, not screen pixels).
Ctrl +., Ctrl +>	scale selection to 200%
Ctrl +,, Ctrl +<	scale selection to 50%
Alt +., Alt +>	scale selection up by 1 pixel
Alt +,, Alt +<	scale selection down by 1 pixel
The actual size increment for pixel scaling depends on zoom level. Zoom in for finer scaling.
Scaling is uniform around the center, so that the size increment applies to the larger of the two dimensions.
Rotate/skew by handles
mouse drag	rotate or skew
Ctrl +mouse drag	snap skew angle
Holding Ctrl when dragging a skew (non-corner) handle snaps the skew angle to angle steps (default 15 degrees).
Ctrl +mouse drag	snap rotation angle
Holding Ctrl when dragging a rotation (corner) handle snaps the rotation angle to angle steps (default 15 degrees).
Rotate (keyboard)
[, ]	rotate selection by the angle step
The default angle step is 15 degrees. ] rotates clockwise, [ rotates counterclockwise.
Ctrl +[, Ctrl +]	rotate selection by 90 degrees
Alt +[, Alt +]	rotate selection by 1 pixel
The actual angle for pixel rotation depends on zoom level. Zoom in for finer movement.
These commands use the rotation center, draggable in Selector (by default it's in geometric center).
Flip
h	flip selection horizontally
v	flip selection vertically
If the tool is in rotate mode (rotation center visible), that center becomes the axis of flipping; otherwise it flips around geometric center of selection.
Rotation center
mouse drag	move rotation center
Moved rotation center remembers and saves its position for (all) selected object(s); you can reset it.
Shift +mouse drag	move without snapping
Shift +click	reset rotation center
Resetting rotation center moves it back to the geometric center of the object's or selection's bounding box.
Cancel
Esc	cancel rubberband, move, transformation
Press Esc while mouse button is still down to cancel rubberband selection, move, or transformation of any kind.

Node tool

Select objects (mouse)
click	click a non-selected object to select
Alt +click	select under
Alt +mouse wheel	cycle z-order
Shift +click	toggle selection
These work the same as in Selector. The nodes or handles of the single selected object become editable.
Select nodes (mouse)
click	select a node
Clicking on a node selects it.
click	select two adjacent nodes
Clicking on a selected path between the nodes selects the two nodes closest to the click point.
Shift +click	toggle selection
This adds/removes a node (if clicked on node) or two nodes (if clicked on path) to/from the node selection.
click	deselect
Clicking in an empty space deselects all selected nodes. Next click will deselect the object.
Rubberband selection
mouse drag	select multiple nodes
Dragging around nodes does "rubberband" selection; previous node selection is deselected.
Shift +mouse drag	add nodes to selection
Normally, you need to start from a point not over a path or a node to initiate a rubberband.
However, if you press Shift before dragging, Inkscape will do rubberband selection even if you start over the path.
Select nodes (keyboard)
Tab	select next node
Shift +Tab	select previous node
These keys select nodes within the selected path.
Ctrl +A	select all nodes in subpath(s)
If the path has multiple subpaths and some nodes selected, this selects all only in subpaths with already selected nodes.
Ctrl + Alt +A	select all nodes in path
This selects all nodes in the entire path.
!	invert selection in subpath(s)
If the path has multiple subpaths and some nodes selected, this inverts selection only in subpaths with already selected nodes.
Alt +!	invert selection in path
This inverts selection (deselects what was selected and vice versa) in the entire path.
Esc	deselect all nodes
Grow/shrink node selection
PgUp, PgDn	grow/shrink selection (spatial)
mouse wheel	grow/shrink selection (spatial)
Ctrl +PgUp, Ctrl +PgDn	grow/shrink selection (along path)
Ctrl +mouse wheel	grow/shrink selection (along path)
Your mouse pointer must be over a node for growing/shrinking.
Each key press or wheel click selects the nearest unselected node or deselects the farthest selected node.
Distance to nodes can be calculated directly (spatial mode) or along path.
Move nodes (mouse)
mouse drag	move selected nodes
Ctrl +mouse drag	restrict movement to horizontal or vertical
Ctrl + Alt +mouse drag	move along handles
This restricts movement to the directions of the node's handles, their continuations and perpendiculars (total 8 snaps).
If the node has straight lines on one or both sides, this will snap it to these lines' directions and perpendiculars instead.
Shift +mouse drag	temporarily disable snapping
Shift +mouse drag	drag out handle
If a node has a retracted handle, dragging with Shift lets you drag it out of the node.
mouse drag+Space	drop a copy
When dragging nodes with mouse, each Space leaves a copy of the selected object.
You can press and hold Space while dragging for a nice "trail."
Alt +mouse drag	sculpt selected nodes
Sculpting moves the selected nodes so that the dragged node moves all the way, the farthest selected nodes stay put; all intermediate selected nodes move intermediate distances, governed by a bell-like curve.
Sculpting is pressure-sensitive with a tablet; press harder for a blunter drag profile, press lightly for a sharper profile.
To stop sculpting without losing the pressure-sensitive profile, release Alt first and then lift the pen.
Move nodes (keyboard)
arrows	move selected node(s) by the nudge distance
Shift +arrows	move selected node(s) by 10x nudge distance
The default nudge distance is 2 px (SVG pixel units, not screen pixels).
Alt +arrows	move selected node(s) by 1 pixel
Shift + Alt +arrows	move selected node(s) by 10 pixels
The actual distance for pixel movements depends on zoom level. Zoom in for finer movement.
Move node handle (mouse)
mouse drag	move a node handle
Ctrl +mouse drag	snap the handle to angle steps
The default angle step is 15 degrees. This also snaps to the handle's original angle, its continuation and perpendiculars.
Shift +mouse drag	rotate both handles
Alt +mouse drag	lock the handle length
Ctrl, Shift, Alt can be combined when dragging handles.
Ctrl +click	retract the handle
Retracted handle is zero length; use Shift+drag to drag it back out.
Scale handle (1 node selected)
<, >	contract/expand both handles by scale step
The default scale step is 2 px (SVG pixel units, not screen pixels). May apply to more than one node.
Left Ctrl +<, Left Ctrl +>	scale left handle by the scale step
Right Ctrl +<, Right Ctrl +>	scale right handle by the scale step
Left Alt +<, Left Alt +>	scale left handle by 1 pixel
Right Alt +<, Right Alt +>	scale right handle by 1 pixel
The actual size increment for pixel scaling depends on zoom level. Zoom in for finer scaling.
Instead of the < and > keys, you can use the , (comma) and . (period) keys respectively.
Rotate handle (1 node selected)
[, ]	rotate both handles by the angle step
The default angle step is 15 degrees. ] rotates clockwise, [ rotates counterclockwise. May apply to more than one node.
Left Ctrl +[, Left Ctrl +]	rotate left handle by the angle step
Right Ctrl +[, Right Ctrl +]	rotate right handle by the angle step
Left Alt +[, Left Alt +]	rotate left handle by 1 pixel
Right Alt +[, Right Alt +]	rotate right handle by 1 pixel
Handles visibility
Ctrl +H	toggle handles
Scale nodes (>1 nodes selected)
These commands scale the selected nodes as if they were an "object".
If mouse is over a node, that node becomes the axis of scaling; otherwise it scales around geometric center of selected nodes.
., >	scale nodes up by the scale step
,, <	scale nodes down by the scale step
The default scale step is 2 px (SVG pixel units, not screen pixels).
Alt +., Alt +>	scale nodes up by 1 pixel
Alt +,, Alt +<	scale nodes down by 1 pixel
The actual size increment for pixel scaling depends on zoom level. Zoom in for finer scaling.
Scaling is uniform around the center, so that the size increment applies to the larger of the two dimensions.
Rotate nodes (>1 nodes selected)
These commands rotate the selected nodes as if they were an "object".
If mouse is over a node, that node becomes the axis of rotation; otherwise it rotates around geometric center of selected nodes.
[, ]	rotate nodes by the angle step
The default angle step is 15 degrees. ] rotates clockwise, [ rotates counterclockwise.
Alt +[, Alt +]	rotate nodes by 1 pixel
The actual angle for pixel rotation depends on zoom level. Zoom in for finer movement.
Flip nodes (>1 nodes selected)
These commands flip the selected nodes as if they were an "object", around the center of that object.
h	flip nodes horizontally
v	flip nodes vertically
If mouse is over a node, that node becomes the axis of flipping; otherwise it flips around geometric center of selected nodes
Change segment(s)
Shift +L	make line
Shift +U	make curve
These commands require that more than two adjacent nodes be selected.
Change node type
Shift +C	make cusp
First Shift+C changes type of node; if you do another Shift+C on an already cusp node, it retracts its handles.
Shift +S	make smooth
If a cusp node is adjacent to a line segment, first Shift+S makes it half-smooth with one handle collinear with the segment; another Shift+S will expand a second handle.
Shift +Y	make symmetric
When making smooth or symmetric, you can lock the position of one of the handles by hovering mouse over it.
Shift +A	make auto
Ctrl +click	toggle smooth/cusp/symmetric/auto
Join/break
Shift +J	join selected nodes
This requires that exactly two end nodes within the path be selected.
You can lock the position of one of the two joined nodes by hovering mouse over it.
Alt +J	join selected end nodes with new segment
Shift +B	break selected node(s)
After break, only one of each two new nodes is selected. May apply to more than one node.
Delete, create, duplicate
Backspace, Del	delete selected node(s)
Ctrl +Backspace, Ctrl +Del	delete without preserving shape
Deleting without Ctrl adjusts handles on the remaining nodes to preserve the shape of the curve as much as possible.
Deleting with Ctrl does not touch the remaining nodes.
Alt +Del	delete segment between two non-endpoint nodes
Ctrl + Alt +click	create/delete node
Ctrl+Alt+click on a node deletes it; Ctrl+Alt+click on the path between nodes creates a new node in the click point.
Deleting nodes this way always tries to preserve the shape of the curve (same as Del/Backspace).
click+click	create node
Double clicking on the path between nodes creates a node in the click point.
Ins, Shift +I	insert new node(s)
This adds new node(s) in the middle(s) of selected segment(s), so it requires that more than two adjacent nodes be selected.
Shift +D	duplicate selected node(s)
New nodes are created on the same path; they are placed exactly over the old ones and are selected.
Reverse
Shift +R	reverse path direction
Edit shapes
Node tool can also drag the handles of shapes (rectangles, ellipses, stars, spirals). Click on a shape to select it.
See the corresponding shape tools for their editing shortcuts, all of which also work in node tool.
Edit fills and path effects
Node tool can also edit the handles of a pattern fill, gradient fill, and the editable handles of path effects.
Cancel
Esc	cancel rubberband or move
Press Esc while mouse button is still down to cancel rubberband selection, node move, or handle move.

Tweak tool

Operation
mouse drag	act on selected paths in the current mode
Shift +mouse drag	reverse current mode (when applicable)
Ctrl +mouse drag	act temporarily switching to shrink mode
Shift + Ctrl +mouse drag	act temporarily switching to grow mode
The amount of tweaking action is the greatest at the center of the circular area and drops off smoothly towards the edges.
Modes
Shift +M, Shift +0	move mode
Shift +I, Shift +1	move in/out mode
Drag moves objects inwards to cursor, drag with Shift moves outwards from cursor.
Shift +Z, Shift +2	move jitter mode
Shift +<	scale mode
Drag scales objects down, drag with Shift scales up.
Shift +[	rotate mode
Drag rotates objects clockwise, drag with Shift, counterclockwise.
Shift +D, Shift +5	duplicate/delete mode
Drag randomly duplicates objects, drag with Shift randomly deletes.
Shift +P, Shift +6	push path mode
Shift +S, Shift +7	shrink/grow path mode
Drag insets paths, drag with Shift outsets.
Shift +A, Shift +8	attract/repel path mode
Drag attracts paths to cursor, drag with Shift repels.
Shift +R, Shift +9	roughen mode
Shift +C	color paint mode
Shift +J	color jitter mode
Shift +B	blur mode
Parameters
Left arrow, Right arrow	adjust brush width by 1
Home, End	set brush width to 1 / 100
Up arrow, Down arrow	adjust tweaking force
Width and force can be adjusted while drawing. With a pressure-sensitive tablet, force also depends on pen pressure.

Zoom tool

click	zoom in
Shift +click	zoom out
mouse drag	zoom into the area

Measure tool

mouse drag	measure distance and angle between the start point and the cursor
Shift +mouse drag	set the measure base to the cursor
Ctrl +mouse drag	snap angle measure to angle steps
The default angle step is 15 degrees.

Rectangle tool

Draw
mouse drag	draw a rectangle
Ctrl +mouse drag	make a square or integer-ratio rectangle
This restricts rectangle so its height/width ratio is a whole number.
Shift +mouse drag	draw around the starting point
This creates a rectangle symmetric around the starting point of the mouse drag.
Select
click	click to select
Alt +click, Ctrl + Alt +click	select under
Shift +click	toggle selection
In this tool, selecting by click disregards any grouping (i.e. acts as clicking with Ctrl in Selector).
Esc	deselect
Resize by handles
mouse drag	drag a square handle to resize
Initially, the two resize (square) handles are in top left and bottom right corners.
Resize handles change the width and height of the rectangle in its own coordinate system, before any transforms are applied.
Ctrl +mouse drag	lock width, height, or ratio
Round corners by handles
mouse drag	drag a circular handle to round corners
Initially, the two rounding handles are in the top right corner of the rectangle.
Ctrl +mouse drag	lock the corner circular
Ctrl +click	set the corner circular
When rounding corners, dragging one rounding handle keeps the corner circular if the other remains at the corner.
You can drag both handles for an elliptic rounded corner, or drag/click one with Ctrl to make it circular again.
Shift +click	remove corner rounding

3D box tool

Draw
mouse drag	draw a 3D box (X/Y plane)
Shift +mouse drag	draw a 3D box (extrude in Z)
Select
click	click to select
Alt +click, Ctrl + Alt +click	select under
Shift +click	toggle selection
Esc	deselect
Edit by handles
All editing operations occur "in perspective", i.e., either along perspective lines or within planes spanned by these.
mouse drag	resize/move box
The four front handles and the center normally move within the XY plane, the four rear handles along the Z axis.
Shift +mouse drag	resize/move (with handle behaviour swapped)
Ctrl +mouse drag	resize/move (handles snap to axes or diagonals)
Edit perspectives
In what follows, we use the abbreviations VP = vanishing point, PL = perspective line.
mouse drag	drag square handles to move the VPs
[, ]	rotate X-PLs (if parallel) by the angle step
The default angle step is 15 degrees. ],),} rotate clockwise, [,(,{ rotate counterclockwise.
Alt +[, Alt +]	rotate X-PLs (if parallel) by 1 pixel
(, )	rotate Y-PLs (if parallel) by the angle step
Alt +(, Alt +)	rotate Y-PLs (if parallel) by 1 pixel
{, }	rotate Z-PLs (if parallel) by the angle step
Alt +{, Alt +}	rotate Z-PLs (if parallel) by 1 pixel

Ellipse tool

Draw
Without Alt the starting and ending point of the mouse drag mark the corners of the bounding box.
With Alt the ellipse is enlarged so that its circumference passes through these two points (Ctrl+Alt is a special case; see below).
mouse drag	draw an ellipse
Ctrl +mouse drag	make circle or integer-ratio ellipse
This restricts ellipse so its height/width ratio is a whole number.
Shift +mouse drag	draw around the starting point
This creates an ellipse symmetric around the starting point of the mouse drag.
Ctrl + Alt +mouse drag	create circle passing through the starting and ending point
This creates a perfect circle whose diameter is defined by the starting and ending point of the mouse drag.
Select
click	click to select
Alt +click, Ctrl + Alt +click	select under
Shift +click	toggle selection
In this tool, selecting by click disregards any grouping (i.e. acts as clicking with Ctrl in Selector).
Esc	deselect
Edit by handles
mouse drag	resize, make arc or segment
Initially, the two resize handles are at the topmost and leftmost points; the two arc/segment handles are in the rightmost point.
Ctrl +mouse drag	lock circle (resize handles)
Ctrl +mouse drag	snap to angle steps (arc/segment handles)
Resize handles change the width and height of the ellipse in its own coordinate system, before any transforms are applied.
The default angle step is 15 degrees.
Shift +click	make whole (arc/segment handles)

Star tool

Draw
mouse drag	draw a star
Ctrl +mouse drag	snap star to angle steps
The default angle step is 15 degrees.
Select
click	click to select
Alt +click, Ctrl + Alt +click	select under
Shift +click	toggle selection
In this tool, selecting by click disregards any grouping (i.e. acts as clicking with Ctrl in Selector).
Esc	deselect
Edit by handles
mouse drag	drag a handle to vary the star shape
Ctrl +mouse drag	keep star rays radial (no skew)
Shift +mouse drag	round the star
Shift +click	remove rounding
Alt +mouse drag	randomize the star
Alt +click, Ctrl + Alt +click	remove randomization

Spiral tool

Draw
mouse drag	draw a spiral
Ctrl +mouse drag	snap spiral to angle steps
The default angle step is 15 degrees.
Select
click	click to select
Alt +click, Ctrl + Alt +click	select under
Shift +click	toggle selection
In this tool, selecting by click disregards any grouping (i.e. acts as clicking with Ctrl in Selector).
Esc	deselect
Edit by handles
mouse drag	roll/unroll from inside (inner handle)
Dragging the inner handle adjusts the "inner radius" parameter.
Alt +mouse drag	converge/diverge (inner handle)
Alt +click, Ctrl + Alt +click	reset divergence (inner handle)
Vertical Alt+drag of the inner handle adjusts the "divergence" parameter, Alt+click resets it to 1.
Shift +click	zero inner radius (inner handle)
Shift+click on inner handle makes the spiral start from the center.
mouse drag	roll/unroll from outside (outer handle)
Dragging the outer handle adjusts the "turns" parameter.
Alt +mouse drag	lock radius (outer handle)
Roll/unroll without changing radius.
Shift +mouse drag	scale/rotate (outer handle)
Use Shift+Alt+drag to rotate only (locks the radius of the spiral).
Ctrl +mouse drag	snap handles to angle steps
The default angle step is 15 degrees. This works for both handles.

Pencil tool

mouse drag	draw a freehand line
Shift +mouse drag	add to selected path
If a path is selected, Shift+clicking anywhere starts a new subpath instead of a new independent path.
Shift +mouse drag	temporarily disable snapping
This temporarily disables snapping to grid or guides when you are dragging with grid or guides on.
Alt +mouse drag	averaging draw (sketch mode)
Create dots
Ctrl +click	create a dot
This creates a small circle. Its size (relative to the current stroke width) can be set in Preferences.
Shift + Ctrl +click	create a double-sized dot
Ctrl + Alt +click	create a random-sized dot

Pen (Bezier) tool

Create nodes
click	create a sharp node
If no path is being created, this starts a new path.
Shift +click	add to selected path
If a path is selected, Shift+dragging anywhere creates a new subpath instead of a new independent path.
mouse drag	create a Bezier node with two handles
Shift +mouse drag	move only one handle
This moves only one handle (instead of both) while creating a node, making it cusp.
Ctrl +mouse drag	snap the handle to angle steps
The default angle step is 15 degrees.
Move last node
These commands move the last created node (at the start of the red segment) while creating a path.
arrows	move last node by the nudge distance
Shift +arrows	move last node by 10x nudge distance
The default nudge distance is 2 px (SVG pixel units, not screen pixels).
Alt +arrows	move last node by 1 pixel
Shift + Alt +arrows	move last node by 10 pixels
The actual distance for pixel movements depends on zoom level. Zoom in for finer movement.
Create/modify segments
Ctrl	snap last segment to angle steps
This snaps the new node's angle, relative to the previous node, to angle steps (default 15 degrees).
Shift +L	make last segment line
Shift +U	make last segment curve
These commands change the last (red) segment of the path to straight line or curve.
Create dots
Ctrl +click	create a dot (straight line modes only)
This creates a small circle. Its size (relative to the current stroke width) can be set in Preferences.
Shift + Ctrl +click	create a double-sized dot
Ctrl + Alt +click	create a random-sized dot
Finish
Enter	finish current line
right click	finish current line
click+click	finish current line
Enter, right click, or double left click finish the current line, discarding the last unfinished (red) segment.
Cancel
Esc, Ctrl +Z	cancel current line
Backspace, Del	erase last segment of current line

Calligraphy tool

mouse drag	draw a calligraphic line
Shift +mouse drag	add to selected path
Drawing with Shift unions the newly created stroke with the previous selection.
Alt +mouse drag	subtract from selected path
Drawing with Alt subtracts the newly created stroke from the previous selection.
Ctrl +mouse drag	track a guide path
Drawing with Ctrl tracks a selected guide path at the constant distance.
Left arrow, Right arrow	adjust pen width by 1
Home, End	set pen width to 1 or 100
Up arrow, Down arrow	adjust pen angle
Width and angle can be adjusted while drawing.
Esc	deselect

Text tool

Select/create
click	create/select a text object
Clicking in an empty space or on a non-text creates a text object; now you can type your text.
Clicking on a text object selects it; cursor is placed near the click point.
Esc	deselect the text object
Navigate in text
arrows	move cursor by one character
Ctrl +Left arrow, Ctrl +Right arrow	move cursor by one word
Ctrl +Up arrow, Ctrl +Down arrow	move cursor by one paragraph
Home, End	go to beginning/end of line
Ctrl +Home, Ctrl +End	go to beginning/end of text
PgUp, PgDn	move cursor by one screen
All these commands cancel current text selection, if any. Use them with Shift to extend selection instead.
Flowed text (internal frame)
mouse drag	create flowed text
Clicking and dragging in an empty space or on a non-text creates a flowed text object with internal frame.
mouse drag	adjust frame size
Dragging the handle in the lower right corner of the selected flowed text changes width/height of the frame.
Ctrl +mouse drag	lock width, height, or ratio of frame
Dragging the corner handle with Ctrl resizes the frame preserving either width, or height, or ratio.
Flowed text (external frame)
Alt +W	flow text into frame
With a text object and a shape/path selected, this flows text into the shape/path.
Both remain separate objects, but are linked; editing the shape/path causes the text to reflow.
Shift + Alt +W	unflow text from frame
This cuts the flowed text's link to the shape/path, producing a single-line regular text object.
Shift +D	select external frame
To find out which object is the frame of this flowed text, select it and press Shift+D. The frame will be selected.
Text on path
Shift +D	select path from text
To find out which path this text is put on, select it and press Shift+D. The path will be selected.
Edit text
To type + and - characters, use the main keyboard; keypad + and - are reserved for zoom (unless NumLock is on).
Enter	start a new line or paragraph
Enter in regular text creates new line; in flowed text it creates a new paragraph.
Ctrl +U	toggle Unicode entry
To insert an arbitrary Unicode character, type Ctrl+U, then the hexadecimal code point, then Enter.
For example, type Ctrl+U 2 0 1 4 Enter for an em-dash; Ctrl+U a 9 Enter for a copyright sign.
To stay in Unicode mode after inserting the character, press Space instead of Enter.
Press Esc or another Ctrl+U to cancel Unicode mode without inserting the character.
Ctrl +Space	insert no-break space
A no-break space is visible even in a text object without xml:space="preserve".
Select text
mouse drag	select text
Left-dragging over a text object selects a text span.
Shift +arrows	select text by character
Shift + Ctrl +arrows	select text by word
Shift +Home, Shift +End	select to beginning/end of line
Shift + Ctrl +Home, Shift + Ctrl+End	select to beginning/end of text
Shift +PgUp, Shift +PgDn	select one screen up/down
click+click	select word
click+click+click	select line
Ctrl +A	select all text
This selects the entire text of the current text object.
Style selection
Ctrl +B	make selection bold
Ctrl +I	make selection italic
Also, you can use the Text&Font or Fill&Stroke dialogs to assign any style to text selection.
Letter spacing
Alt +>	expand line/paragraph by 1 pixel
Shift + Alt +>	expand line/paragraph by 10 pixels
Alt +<	contract line/paragraph by 1 pixel
Shift + Alt +<	contract line/paragraph by 10 pixels
These commands (only when editing text) adjust letter spacing in the current line (regular text) or paragraph (flowed text).
The actual adjustment for pixel movements depends on zoom level. Zoom in for finer adjustment.
Line spacing
Ctrl + Alt +>	make the text object taller by 1 pixel
Shift + Ctrl + Alt +>	make the text object taller by 10 pixels
Ctrl + Alt +<	make the text object shorter by 1 pixel
Shift + Ctrl + Alt +<	make the text object shorter by 10 pixels
These commands (only when editing text) adjust line spacing in the entire text object (regular or flowed).
The actual adjustment for pixel movements depends on zoom level. Zoom in for finer adjustment.
Kerning and shifting
Alt +arrows	shift characters by 1 pixel
Shift + Alt +arrows	shift characters by 10 pixels
These commands work when editing a regular text object. Kerning does not work in flowed text.
With no selection, they shift (horizontally or vertically) the characters after the cursor until the end of line.
With selection, they shift the selection relative to the rest of text (by inserting opposite kerns at both ends of selection).
The actual adjustment for pixel movements depends on zoom level. Zoom in for finer adjustment.
Rotate
Ctrl +[, Ctrl +]	rotate character(s) by 90 degrees
Alt +[, Alt +]	rotate character(s) by 1 pixel
These commands rotate the next character (without selection) or all characters in the selection (with selection).
Rotation only works in regular text (not flowed text).
The actual angle for pixel rotation depends on zoom level. Zoom in for finer movement.

Spray tool

Modes
Shift +J	copy mode
Shift +K	clone mode
Shift +L	single path mode
Parameters
Left arrow, Right arrow	adjust spray width by 1
Up arrow, Down arrow	adjust spray population by 1
Home, End	set spray width to 1 / 100

Eraser tool

Left arrow, Right arrow	adjust eraser width by 1
Home, End	set eraser width to 1 / 100

Paint Bucket

click	fill a bounded area
Shift +click	add to selected path
Clicking with Shift unions the newly created fill with the previous selection.
mouse drag	fill from each point
From each point, the fill spreads to the neighbors with the colors similar to that point.
This can be used to fill an area currently filled with a gradient or blur.
Alt +mouse drag	fill from each point same as initial point
From each point, the fill spreads to the neighbors with the colors similar to the initial point of the drag.
This can be used to fill several disjoint bounded areas by starting in one and dragging over all of the areas.
Ctrl +click	set fill color
Shift + Ctrl +click	set stroke color
Ctrl+clicking an object sets its fill (or stroke with Shift) to the tool's current style; the object need not be selected.

Gradient tool

Select objects
click	click an object to select
Alt +click	select under
Shift +click	toggle selection
Create gradients
mouse drag	create gradient
This creates gradient on selected objects. The Controls bar lets you select linear/radial and fill/stroke for the new gradient.
click+click	create default gradient
This creates default (horizontal edge-to-edge for linear, centered edge-to-edge-to-edge for radial) gradient on clicked object.
Select handles
click	select a handle
Shift +click	add handle to selection
Shift +mouse drag	select by rubberband
Tab	select next handle
Shift +Tab	select previous handle
Ctrl +A	select all handles
Esc	deselect all handles
Single click outside all handles also deselects all handles.
Create/delete intermediate stops
Ctrl + Alt +click	create a stop
click+click	create a stop
Ctrl+Alt+click or double click on a gradient line creates a new intermediate stop.
Ctrl + Alt +click	delete stop
Ctrl+Alt+click on a stop's handle deletes the stop; if it was an end stop, gradient shortens or disappears.
Ins	insert new stop(s)
This adds new stop(s) in the middle(s) of selected segment(s), so it requires that more than two adjacent handles be selected.
Del	delete selected stops
Move handles/stops
mouse drag	move selected handle(s)
Ctrl +mouse drag	move stops in 1/10 range increments
Ctrl+dragging selected intermediate stops moves them snapping to 1/10 steps of the available range.
Alt +mouse drag	sculpt selected stops
Sculpting moves the selected intermediate stops depending on how close each one is to the stop being dragged, using a smooth bell-like curve similar to the node sculpting feature in Node tool.
arrows	move selected handle by the nudge distance
Shift +arrows	move selected handle by 10x nudge distance
The default nudge distance is 2 px (SVG pixel units, not screen pixels).
Alt +arrows	move selected handle by 1 pixel
Shift + Alt +arrows	move selected handle by 10 pixels
If at least one end handle is selected, arrow keys move the end handle to move or resize the gradient line.
If only mid stops are selected, arrow keys move the selected stops along the gradient line.
The actual distance for pixel movements depends on zoom level. Zoom in for finer movement.
Reverse
Shift +R	reverse gradient definition
This mirrors the stop positions of the current gradient without moving the gradient handles.
Gradient editor
click+click	open gradient editor
Double clicking a gradient handle opens the Gradient Editor with that gradient and the clicked handle chosen in the stops list.

Dropper tool

click	pick fill color
Shift +click	pick stroke color
mouse drag	average fill color
Shift +mouse drag	average stroke color
Click applies the color under cursor to the current selection. Dragging a radius calculates the average color of a circular area.
If a gradient handle (in Gradient tool) is selected, it gets the color instead of the entire object.
Alt +click	pick inverse color
If Alt is pressed, picking color (with or without Shift, by click or by drag) picks the inverse of the color.
Ctrl +C	copy color
This copies the color under cursor to the clipboard, as text in RRGGBBAA format (8 hex digits).

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