<h4>Canvas Control</h4>
<table>
    <tr><td><kbd>Click + Drag</kbd></td><td>Pan canvas view</td></tr>
    <tr><td><kbd>Mouse Wheel</kbd></td><td>Zoom view in/out</td></tr>
    <tr><td><kbd>Shift + Click (background)</kbd></td><td>Start resizing canvas area</td></tr>
    <tr><td><kbd>Shift + Ctrl + Click</kbd></td><td>Start moving entire canvas</td></tr>
    <tr><td><kbd>Shift + S + Left Click</kbd></td><td>Draw custom shape for output area</td></tr>
    <tr><td><kbd>Single Click (background)</kbd></td><td>D