Import a bitmap
and select pixels
Next you will import a bitmap image and create a
floating selection from its pixels. Import an image You will modify an image of a classic automobile.
First you need to import the image.
1 Choose File > Import and navigate to the
Tutorial1 folder that you downloaded from the Macromedia website. Browse to the
Tutorial1/Assets folder.
2 Select car.jpg and click Open.
3 Align the insertion pointer with the upper left
corner of the canvas as shown in the following illustration, then click. The
image appears, selected, on the canvas.
4 Click anywhere outside the selected image to
deselect it.
Create
a pixel selection
Next you’ll select the pixels that make up the car
in the image you imported, and copy and paste the pixels as a new object.
1 Choose the Zoom tool in the View section of the
Tools panel.
2 Click once on the image. The view is magnified to
150%. Zooming in allows you to better see what you are selecting and gives you
finer control over your selection.
3 Click and hold down the mouse button on the Lasso
tool in the Bitmap section of the Tools panel. Choose the Polygon Lasso tool
from the pop-up menu that appears. The Polygon Lasso tool allows you to draw a
selection around pixels using a series of straight lines. You’ll use the
Polygon Lasso tool to select the pixels that make up the car image.
3 Click and hold down the mouse button on the Lasso
tool in the Bitmap section of the Tools panel. Choose the Polygon Lasso tool
from the pop-up menu that appears. The Polygon Lasso tool allows you to draw a
selection around pixels using a series of straight lines. You’ll use the
Polygon Lasso tool to select the pixels that make up the car image.
4 In the Property inspector, set the Edge option to
Anti-alias.
5 Click with the Polygon Lasso tool pointer on the top
edge of the car, then click repeatedly around the edge of the car to continue
the selection.
6 Complete the selection by moving the pointer over
the spot where you started the selection. A small gray square appears beside
the Polygon Lasso pointer to indicate you are about to complete the selection.
Click to complete the selection. A marquee border appears around the pixels you
selected.
7 Choose Edit > Copy. The selection is copied to
the Clipboard.
8 Choose Edit > Paste. A new bitmap object of the
car image is pasted into the document on top of the original car image.
9 Choose the Pointer tool and double-click anywhere
outside the bitmap to deselect it. 10 Click the Set Magnification pop-up menu
at the bottom of the Document window and return the view to 100%.
