Web site directory - CHAPTER 3 INTRODUCTION TO LAYERS Figure 3-12.
CHAPTER 3 INTRODUCTION TO LAYERS Figure 3-12. At left is the cursor when not pointing at the active layer. At right is the Move cursor when pointing at the active layer. The red arrow points to each cursor s hot spot. Tip Every cursor shown in a computer program has a hot spot, the location where the cursor points. In the case of the Move cursor, the tip of the arrow is the important part and the rest is just decoration to let you know which layer will be moved. For the Hand cursor, the tip of the pointing finger is the hot spot. Why does the cursor change? The answer lies in the Move tool s single option: a choice between Pick a layer or guide and Move the current layer. Every image in the GIMP includes the notion of a currently selected layer, or active layer. This is the layer that is highlighted in the Layers dialog (and that s why it s helpful to keep the Layers dialog visible). Back in Figure 3-8, the active layer was the text layer that had just been created. You can change the active layer at any time by clicking a different line in the Layers dialog (click either on the layer name or the preview). By default, the GIMP s Move tool uses Pick a layer or guide. In this mode, if you click somewhere in the image, whichever layer is visible at that location will become the active layer and will move if you drag it. The Move cursor, with the crossed arrows, shows that you re pointing at the active layer. If you click and drag, that s the layer that will move. If your mouse is outside the current layer (in this case, that means anywhere that it s not directly over text), the Move tool will switch to a different cursor to warn you that you might not be moving the layer you expect. Caution In GIMP 2.2, Pick a layer or guide only makes the chosen layer active while it is being moved. After you release the mouse button, whichever layer was previously active becomes active again. In GIMP 2.4, the layer stays active even after you release the mouse button. Go ahead and experiment (Figure 3-13). Try moving your mouse over the text while watching the cursor. Make sure it shows the crossed arrows indicating move. Then drag the text layer to a new location. Also, try dragging when you re not over the text layer (no Move cursor showing). Notice that in this case, the background layer not the text layer is the one that moves. Remember, Control+Z or Edit . Undo will undo any layer movement you don t want to keep.
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