3. Paint Tools

Magnifier	Click the image to increase or decrease the magnification factor.
Image Mover	Click and drag the image to move visible area of the image when the image is larger than the window.
Rectangular Selection	Click and drag to create a rectangular selection area. To select all layers, hold SHIFT key down and drag.
Oval Selection	Click and drag to create a oval selection area. To select all layers, hold SHIFT key down and drag.
Lasso	Click and drag to create a freehand selection area. To select all layers, hold SHIFT key down and drag.
Magic Wand	Click to create a selection area bounded by similar colors. To add selection areas, hold SHIFT key down and click. Click with the right button to change the tolerance.
Selection By Color	Click to create a selection area of similar color. To add selection areas, hold SHIFT key down and click. Click with the right button to change the tolerance.
Pen	Click and drag to draw.
Connect Line	Click and drag to draw a line. To draw connected lines, keep on clicking and right-click at the last point. Press ESC key to cancel the last point.
Spline Curve	Keep on clicking and right-click at the last point. Press ESC key to cancel the last point.
Rectangle	Click and drag to draw a hollow rectangle.
Filled Rectangle	Click and drag to draw a filled rectangle.
Oval	Click and drag to draw a hollow oval.
Filled Oval	Click and drag to draw a filled oval.
Flood Fill	Click an inside region to fill. Click with the right button to change the tolerance.
Color Replacer	Click and drag to replace the second color with the first color.
Draw Text	Click to draw text. Click and drag the text to move it.

AntiAlias
A image will be built using neutral colors when the AntiAlias is ON. The AntiAlias is effective when stretching or rotating a selected image, or when drawing text.

Transparent
Enables the transparent color of the selected area. The transparent color of the current layer is applied.

Picks up color by right-clicking
When the mode is Pen, Line and so on, the color under the cursor can be picked up by right-clicking, and can be picked up as the second color by right-clicking with Control-key.
Right-click with Shift-key to pick up the color in the current layer only.

Selection by right dragging
When the mode is Pen, Line and so on, a rectangular selection can be created by dragging with mouse's right button. When the selection is released, it will return to the original mode automatically.