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Toolbox ​

The left tool strip lists all tools. They are grouped below by purpose (the English name in parentheses helps you match the icon).

Select & transform ​

ToolPurpose
Select / MoveSelect a layer and drag it
Transform (Ctrl+T)Scale, rotate, skew a layer, with snap grid
CropFrame the area to keep; extra canvas is cropped after applying

Selection tools ​

ToolPurpose
MarqueeDrag a rectangular selection
Ellipse selectDrag an elliptical selection
LassoFree-hand shape selection
Fuzzy selectSelect by color similarity; adjustable threshold, contiguous, anti-alias, white-edge removal

The selection tool properties bar offers: Feather, Grow, Shrink, Border, plus Fill selection and Stroke selection. Between selections use Shift to add, Ctrl to subtract, Ctrl+Shift to intersect (see Chapter 7).

Painting tools ​

ToolPurpose
BrushBasic painting; adjustable size (2–400), hardness, opacity, color
EraserErase pixels (on a mask it erases the mask)
AirbrushSpray with accumulating density
SmudgePush pixels around like a finger
CloneAlt+click to set the sample source, then paint to copy from it
DodgeLighten
BurnDarken

Painting target switch: the brush/eraser properties bar lets you switch between painting on the Layer or the Mask.

Symmetrical drawing: brush/eraser/airbrush support symmetry modes — off / horizontal mirror / vertical mirror / quad mirror / mandala (2–16 sectors). Great for symmetric patterns and totems.

Gradient & fill ​

ToolPurpose
GradientLinear/radial gradient; "gradient to transparent", reverse, background color
Bucket fillFill a contiguous area with the foreground color

Shape & vector ​

ToolPurpose
ShapeRectangle, ellipse, line, polygon, star, arc, spiral
PenPrecise path with Bézier anchors

Shape properties: sides (3–24), star inner ratio (0.1–0.9), spiral turns (1–8), fill/stroke on/off, line width (1–100), and choose "new layer" or "merge to current layer".

Text, eyedropper & warp ​

ToolPurpose
TextPlace a text layer on the canvas; double-click or use the dialog to edit
Color pickerPick any color on the canvas as the foreground color
WarpPull the layer into a deformation with a grid (3×3 / 4×4 / 5×5)
Edge anti-aliasAnti-alias or blur the current layer's edges

Foreground & background color ​

Two overlapping swatches sit at the bottom of the tool strip:

  • Top is the foreground color (used by brush, fill); bottom is the background color.
  • Press X to swap foreground/background; press D to restore default (black foreground, white background).
Left tool strip expanded
Expanded left tool strip with each icon labeled; plus brush properties bar + symmetry mode + layer/mask switch.

Released under the MIT License.