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The brush tool is one of the most common tools used for coloring very specific parts of the area with the screen effect. This tool works well with a graphics tablet, though a mouse can be used if the user has a stable hand. The eraser is used to eliminate areas where you accidentally screen. Use the blur tool to smooth out rough areas, though this tool might create unwanted blurry areas. To use the screen effect with the brush tool, click "Mode" at the top of the Photoshop program and select the screen effect. Then click and drag the mouse over the area where you want to screen.
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By placing different parts of the picture on different layers, specific areas can be worked on without affecting other areas. When using the brush tool, paint bucket tool or pen tool in order to screen an area, the user might accidentally screen over an area twice, making the area lighter than desired. It can be difficult to fix this. However, this can be avoided by creating a new layer and setting the layer on "screen." Then take the "screen" setting off the brush tool. Anything drawn on that layer will be screened, since the layer mode setting is placed on "screen."
- Entire areas can be screened using the paint bucket tool. Simply set the mode at the top of the Photoshop program to screen. If you use the paint bucket on a mass of color, that entire color will be screened.
- If you want to select a specific area in order to screen it, use the "marquee" tool, the "lasso" tool or the "pen" tool. The "pen" tool can select nearly perfect curves and handles polygons with near-precision. The "lasso" selects areas much more quickly by clicking and dragging the mouse. The "marquee" tool simply allows users to select rectangular areas. Once this area has been selected, set the "brush" tool or the "paint bucket" tool on "screen" and fill in the selected area. This technique is great for adding highlights to specific areas using the "screen" tool.
- The "pen" tool can be used to create the screen effect in two ways. With the "brush" tool set on "screen", the lines that are selected by the "pen" tool can be stroked by right-clicking and selecting "stroke path." The selected area can also be filled with the screen effect by clicking "fill."
