Click button to select brush type. Circle indicates current brush size, opacity and hardness. Adjust brush settings   Drag sliders to adjust brush settings.   To restore default parameters, click Default. Right-click on undamaged area to select sample   Sample will be marked with a . Click or click and drag over damaged area to paint with sample. To view original image, hold . To undo / redo changes   To undo / redo last strokes, click / .   To cancel all changes, click .