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In this tutorial, we are going to transform this photograph of my cat Caesar into a wood engraving. If you wish to use Caesar's photograph, right click on it and use Save Image As. You can use a photograph of your own, but it must be one that can be turned into a black and white image and still show enough texture to make an interesting woodcut. A black and white cat would not be good because it would translate to large areas of colour with no texture to give it shape. Caesar's tabby markings will give texture to the darker areas.
You will need a wood texture. Mine was obtained from Willy's page of wood samples. Finally, you will need the Eliminate White filter. If you do not have this filter, it can be obtained from Edesign. Put it in your Plugins folder and restart PSP5 so that it will be available. Download Eliminate White filter from Edesign. Open Paint Shop Pro 5 and load in Caesar's picture. We need two more open images of the same size as the cat picture, 204x214 pixels. Make these now, resolution 72, background colour white, 16million colours. If you are using a different image these new ones must be the same size as your original.
Go carefully round the picture and outline the cat's head. Zoom in if it helps. Take small steps so that you can fit the shape closely, and be careful not to double click until you have completed the outline. When you have encircled the head, double click to get the example on the right. Use Selections/Save to Alpha Channel and save this selection, giving it the name 'head'. Use Edit/Copy. Click on one of the two white images you made, and use Edit/Paste/As a New Layer, to give you the cat's head against a white background. We need to associate the head selection outline with this copy of the picture, so make sure that it is the current image by clicking on it.
Use Selections/Save to Alpha Channel and once again save the selection as 'head'.
This is the picture we shall be transforming into a black and white image, so save this now as B_W.psp. If you have to leave this tutorial and come back to it, when you reload this image the Alpha channel holding the selection will now load with it.
Although we have no cat picture on this image, we do need to associate the head shape selection with it as well, so once again, click on it to make it the current image, use Selections/Load from Alpha Channel and select 'head', to give you the image on the right. Use Selections/Save to Alpha Channel, name it once more as 'head', and the selection is now associated with this image as well and will save and load with it. This image will be our final wood picture, so save it now as woodpic.psp.
First, use Colours/Greyscale and then Colours/Increase Colour Depth/16million Colours
On the control panel change the Retouch Mode to Lighten RGB, but leave all the other settings as they are. Go over the left side of his cheek and the top of his head to lighten them and get more texture into these heavy black areas. You greyscale image should look, when you have finished, like the picture below. Do not overdo any of the adjustments. If your black and white image is not satisfactory it is far easier to come back and do some more retouching than to undo what you have already done. It will never be the last strokes you made that you want to undo!
Now we need to apply the Eliminate White filter to isolate just the black areas of the picture. Before we can apply the filter, the colours must be returned to 16 million, so use Colours/Increase Colour Depth/16million. The cat's head should still be selected. If you have released the selection use Selections/Load from Alpha Channel and reload 'head'. Use Selections/Promote to Layer. Then apply the Eliminate White filter.
Keeping this new layer as the current layer, select the magic wand tool, and click in the middle of one of the big black areas of the image. Most of the black will be selected, but there will be quite a lot of disconnected areas that you will have to select by hand, holding down the shift key and clicking on the smaller black areas with the magic wand tool. Zoom to 3:1 so that you can be sure of placing the tool on black pixels before you click. You must not select any of the surround. If you do, the whole image will be outlined, and then you must undo until only black areas are selected before you continue. Don't try to select every single pixel, but concentrate on clumps of black pixels, especially aroound the outside of the image, and down by the nose and mouth area where we darkened it. When you have selected as much of the black as you can, use Selections/Save to Alpha Channel and save the selection as Black. You should not, in fact, need this saved selection again but it is always a good precaution to save the selection. If you decide you are not satisfied with the final image because you left too many black pixels unselected, you will be able to undo, reload this selection and carry on. Your image will look like this.
Now use the eye dropper tool to select for your background colour the darkest shade you can find in your wood, and for the foreground colour the lightest you can find. Use Image/Effect/Cutout, with the settings shown below. Click OK.
You will probably want to add some finishing touch like a decorative border. I have placed this image on another larger image with the wood slightly lightened in colour and decorated with cutouts, but what you do with your picture is up to you.
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