Crop Tool: Croping cavas. The crop ratio can be locked or unlocked on its property window. It also support perspective croping(correct perspective distorting): Set the tool property to 'Free shape' and place the four control points on object, let its side parallel with the box-side, then doubleclick to crop, see below:
Free Transform Tool: This tool can move, rotate,scale the current layer (can not apply to base layer). Check 'Free shape' it can do any transform include perspective transform freely. Doubleclick the layer to confirm and finish transform. Notice: the image quality may loss after transform, so avoid to use it repeatly. Some operation like 'Move layer' can be replaced by 'Move layer tool'. Use arrow key to do small adjustment for location of box.
Selection Tools: Create simple shape selection. Each tool have 3 modes on its property window: normal, adding mode and subtracting mode. Click the button to set working mode, or, press 'Shift' for adding mode and press 'Ctrl' for subtracting mode. Use arrow key to do small adjustment for location of selection.
Paint Tools: All paint tools have a brush, you can set it on its property window. The brush have 3 parameters: 'Radius', 'Hardness' and 'Opacity'.
Tip：A soft and safe brush. You can set the hardness to 0% and opacity to about 30%.
Eraser:Maker layer transparent. When apply on base layer, fill it with current color.
Free Paint :Paint current layer with current color.
Camera:Copy pixels from source to destination. Click left mouse button to point the source, move to destination and paint. Click right button of mouse to release source.
Move Layer Tool: Move or cut and move current layer.
Text Tool: Add text to new layer, or edit text layer. Move the cursor to where you want to input and click. You can choose font and size in text dialog.
Zoom: Default status is zoom in, press Shift for zoom out, press Ctrl to navigation mode.
Tools after 1.0:
Desaturation: Turn image to grayscale, reduce the effect of remained background color after matting.
Color Picker: Click the image to use the color as current color.
