
When this tool is activated with the mouse, the cursor turns into an eyedropper icon when rolled across the Paint Activity Window and the color selection palette. The Eyedropper tool (Figure 3) is used to select a specific color from within a digital image. Use the green and white arrow buttons to toggle between the two windows. There are a total of 24 textures to select from, with 12 being available from each of two window sets in the option menu. The options appear to the right of the Paint Activity Window when the Paint Bucket tool is selected. In addition to the color palette, the Paint Bucket tool is also equipped with a set of texture options that act in a manner similar to the Paint Brush texture set. Quite a bit of practice is necessary with this tool to produce the best quality images.

If you choose to paint a solid or area of very similar colors, the Paint Bucket tool will often turn the entire image into the color selected in the palette. Click the left mouse button and the area within 25 pixel colors of the target area will become painted with the color and transparency set by the option palettes. Select an area to paint by carefully placing the spilling paint cursor over a specific area on the digital image.
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QX3 Software Simulator Explore the QX3 Paint Menu and its options with our microscope software simulator. The very tip of the spilling paint serves as the active part of the cursor and is used to select the area to be painted. After the Paint Bucket has been selected, the cursor turns into a spilling bucket icon when rolled over the Paint Activity Window. The opacity (or transparency) for this tool can be configured in a manner similar to that described for the Paint Brush tool. To operate the Paint Bucket tool, first select the proper button (turning the button background color to green), then select the color from a color palette similar to the Paint Brush color selection palette. The Paint Bucket tool (illustrated in Figure 1) is used to color or paint unselected regions of a digital image that are within approximately 25 pixels of a specific color value. In the first section of our tutorial on the QX3 microscope Paint menu, we discussed the Paint Brush tool and its control palettes, the Scissors tool and its options, the Copy and Paste buttons, and the Flip and Undo buttons.

Molecular Expressions: Science, Optics and You - Intel Play QX3 Computer Microscope - Interactive Software Paint Menu
