barcode dll for vb net 8: Manipulating Color in Software

Draw Code 128 Code Set A in Software 8: Manipulating Color

CHAPTER 8: Manipulating Color
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CREATE CUSTOM GRAYSCALE CONVERSIONS IN PHOTOSHOP ELEMENTS (continued)
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the lightest pixels become white, and the other pixels are spread across the range in between.
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4. If you don t want your final grayscale image to have that complete contrast range, choose Edit | Undo to get rid of the gradient map and set the foreground and background colors to match the darkest and lightest shades you want the image to have. Then repeat Steps 2 and 3. 5. The next step is to add a Hue/Saturation adjustment layer underneath your new Gradient Map adjustment layer. To do so, click the Background layer in the Layers palette and then click the Layer Adjustment icon. Choose Hue/ Saturation from the menu to create the adjustment layer and display the Hue/ Saturation dialog box, as shown in Figure 8.9.
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FIGURE 8.9 After adding a Hue/Saturation adjustment layer between the Gradient Map layer and the Background layer, use the Saturation, Lightness, and Hue controls to adjust image tones.
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CREATE CUSTOM GRAYSCALE CONVERSIONS IN PHOTOSHOP ELEMENTS (continued)
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6. In the Hue/Saturation dialog box, choose Red from the Edit drop-down box, and select the Preview check box, as shown in the figure.Now watch the image window as you drag the Saturation, Lightness, or Hue slider. You should see a tonal shift in any areas of the photo that were originally red. 7. One by one, make your way through the other color ranges available via the Edit drop-down list to shift the tones of those pixels as well. You also can click in the image to select that color for editing.
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Be careful not to ramp up Saturation too much, or you may wipe out subtle details. Let your eyes be your guide.
8. When you finish adjusting your picture, flatten the image by choosing Layer | Flatten Image. If you think you may want to do more work on the tones in the grayscale image later, however, first save a copy of the image in the Photoshop Elements native format (PSD) to retain the two adjustment layers separate from the original, full-color background layer.
As noted earlier, you should leave your newly gray photo in the RGB color mode if you will be printing it on an RGB printer. Keeping the image in RGB also enables you to add a color tint to the picture for example, to add a sepia tone or create a hand-painted effect.
Creating Color Effects
Your photo editor likely offers a collection of special effects that play with the colors in an image. You can buy additional, third-party collections from companies such as the previously mentioned nik multimedia. As a rule, I m not fond of special effects, because they detract too much from the subject of the picture. But effects can be helpful for rescuing a problem image. If you have a slightly blurry or noisy photo, for example, applying a filter that produces the look of a watercolor painting or pencil sketch can hide the defect. Because the focus of this book is photography, not photo manipulation, I don t want to spend much space discussing software effects. The filters typically are easy to use, anyway you just choose a filter from an effects menu or palette and then let the program do its thing. In some cases, you may be offered a few controls for adjusting the effect.
CHAPTER 8: Manipulating Color
I want to share with you a few color-effect tricks that may not be immediately obvious, however:
To add a sepia tint to your photo, create a new image layer and set the layer
blending mode to Color. Fill the new layer with the sepia color you want to apply. In Photoshop Elements, you can also simply select the Colorize check box in the Hue/Saturation dialog box (featured in Figure 8.6, earlier in this chapter) and drag the Hue slider to adjust the tint color.
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