CHAPTER 3 INTRODUCTION (Anonymous web server) TO LAYERS Filters .
CHAPTER 3 INTRODUCTION TO LAYERS Filters . Light and Shadow . Drop-Shadow… (previous versions of the GIMP will show it in Script-Fu . Shadow . Drop-Shadow…). This brings up the Drop-Shadow dialog (Figure 3-18). Figure 3-18. The Drop-Shadow dialog Offset X and Y represent how far (in pixels) the shadow will drop from the layer that casts it. Larger offsets make the object appear to be floating higher off the page; but increase the offset too far and the shadow won t look realistic. If you decide later that you want a larger or smaller offset, you can use the Move tool to drag the shadow layer toward or away from the text layer. Blur radius controls how blurry the shadow s edges will be. If you increase the offset, the shadow may not look right unless you increase the blur as well. Hold your hand above a table and observe its shadow. Notice how it gets sharper as you move your hand closer to the table, and blurrier as you move your hand higher. Our brains expect shadows to look this way. If you want a realistic shadow, it s best to try to match this. Color controls (surprise!) the color of the shadow. Usually you want a black or dark gray shadow, but tinting it slightly (using a very dark blue, for instance) can sometimes add an impression of richness. You can also make drop shadows with bright colors, or with white: they won t look like shadows, but they can help make dark text stand out against a dark background. Opacity controls whether the shadow will be opaque or partially transparent. With a real shadow you can often see the pattern underneath. Less opacity creates a similar effect by letting you see a bit of the layer below. The opacity number is a percentage, from 0 (fully transparent) to 100 (fully opaque). The Script Progress area is where GIMP will show a progress bar while the script runs. Figure 3-19 shows the effect of drop shadow with the default settings. Notice that in the Layers dialog, a new layer named Drop-Shadow has been added for the shadow, but the text layer is still the active layer.
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