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17.
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The GIMP supports gzip compression on the fly. Just add <tt>.gz</tt> (or <tt>.bz2</tt>, if you have bzip2 installed) to the filename and your image will be saved compressed. Of course loading compressed images works too.
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(no translation yet)
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Located in
tips/gimp-tips.xml.in.h:17
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18.
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The GIMP uses layers to let you organize your image. Think of them as a stack of slides or filters, such that looking through them you see a composite of their contents.
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Located in
tips/gimp-tips.xml.in.h:18
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19.
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The layer named "Background" is special because it lacks transparency. This prevents you from moving the layer up in the stack. You may add transparency to it by right-clicking in the Layers dialog and selecting "Add Alpha Channel".
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Located in
tips/gimp-tips.xml.in.h:19
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21.
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When using a drawing tool (Paintbrush, Airbrush, or Pencil), <tt>Shift</tt>-click will draw a straight line from your last drawing point to your current cursor position. If you also press <tt>Ctrl</tt>, the line will be constrained to 15 degree angles.
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Located in
tips/gimp-tips.xml.in.h:21
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22.
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When you save an image to work on it again later, try using XCF, the GIMP's native file format (use the file extension <tt>.xcf</tt>). This preserves the layers and every aspect of your work-in-progress. Once a project is completed, you can save it as JPEG, PNG, GIF, ...
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Located in
tips/gimp-tips.xml.in.h:22
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23.
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You can adjust or move a selection by using <tt>Alt</tt>-drag. If this makes the window move, your window manager uses the <tt>Alt</tt> key already. Try pressing <tt>Shift</tt> at the same time.
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Located in
tips/gimp-tips.xml.in.h:23
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24.
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You can adjust the selection range for fuzzy select by clicking and dragging left and right.
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(no translation yet)
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Located in
tips/gimp-tips.xml.in.h:24
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27.
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You can drag and drop many things in the GIMP. For example, dragging a color from the toolbox or from a color palette and dropping it into an image will fill the current image or selection with that color.
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(no translation yet)
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Located in
tips/gimp-tips.xml.in.h:27
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28.
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You can draw simple squares or circles using Edit->Stroke Selection. It strokes the edge of your current selection. More complex shapes can be drawn using the Path tool or with Filters->Render->Gfig.
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Located in
tips/gimp-tips.xml.in.h:28
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31.
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You can press or release the <tt>Shift</tt> and <tt>Ctrl</tt> keys while you are making a selection in order to constrain it to a square or a circle, or to have it centered on its starting point.
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(no translation yet)
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Located in
tips/gimp-tips.xml.in.h:31
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