only on one at a time. In other words, if the X Shear Magni- tude is other than zero, then the Y Shear Magnitude must be zero. Tip: If you want to shear a selection both ways, you have to change to another rectangular box around your text. This is the layer border. The default value, which is a border of zero pixels, fits text very snugly, whereas larger borders increase the size of the layer. Change the Border with a solid color. An Opacity of zero gives you total transpar- ency (or invisible paint). Spacing is the distance between your brush marks. If you set the spacing to zero, the brushmarks will create a solid

Manipulation Program 60 / 653 Figure 4.5: Unstuck layer transparency Layers dialog with opacity set to zero for the active layer. How to fix: Move the slider. You are trying to act outside the layer How to alpha channel, representing opacity. When the alpha value at a given location in a given layer is zero, the layer is completely transparent, and the color at that location is determined by what lies underneath for the anchor points are initially placed directly on top of the anchor points, yielding handles of zero length, which produce straight-line segments. You can make a segment curved by dragging a handle away

drawable is transparent Figure 4.5 Unstuck layer transparency Layers dialog with opacity set to zero for the active layer. How to tell: When the opacity is set 0 on the layer, you cannot see anything alpha channel, which represents opacity. When the alpha value at a given location in a given layer is zero, the layer 53 CHAPTER 5. GETTING IMAGES INTO GIMP 5.1. IMAGE TYPES is completely transparent (you straight; the handles for the anchor points are directly on top of the anchor points, yielding handles of zero length, which produces straight-line segments. Drag a handle handle away from an anchor point to cause

alpha channel, representing opacity. When the alpha value at a given location in a given layer is zero, the layer is completely transparent, and the color at that location is determined by what lies underneath the anchor points are initially placed directly on top of the anchor points, yielding handles of zero length, which produce straight-line segments. You can make a segment curved by dragging a handle control" layer for the layer below it, with white yielding maximum gain and black yielding a gain of zero. Thus, by painting on the new layer, you can selectively adjust the gain for each area of the image

and 240° stands for blue. High saturation means that the pixel is coloured, while pixels with zero saturation are black, grey or white pixels. Finally, high value means that the pixel is bright