How Photoshop makes Barcode

1. First, we execute the "new ..." command on the "File" menu, or press the shortcut key, CTRL + N, open the New dialog box, enter the name of the image "barcode", and then set the image "width" to 250 pixels; Height is set to 150 pixels, and image "mode" is set to RGB color. Press the "OK" button when finished

2. Next, we perform the "filter" | "Noise" | "Add noise ..." command to open the Add Noise Filter dialog box and set the number to 400%; Distribution "is the average distribution"; Check the "Monochrome" multi-selection box, when finished, press the "OK" button, so that the image added a stray shading

Tip: "Add noise ..." command can produce randomly distributed clutter texture, using its characteristics we can transform it into an interval random bar code effect through the deformation process.

3, in order to further produce the vertical bar texture effect, we can through the "motion blur" filter on the Clutter shading processing implementation. Execute "filter" | "Blur" | "motion blur ..." command to open the Motion Blur Filter dialog box and set the angle argument to 90 degrees; The distance parameter is 999 pixels, and the "OK" button is completed, as shown in Figure 4-4-4 to Figure 4-4-5.

Hint: The clutter filter and the motion blur filter can produce parallel lines with uneven density. We'll use this technique a lot.

4, Next, we have the vertical bar texture for color processing, so that the black and white stripes are clearly separated. Perform the image | adjust | levels ... command, or press the shortcut key ctrl+l, open the Levels dialog box, set the input level parameter is: 20;0.50;145, when finished, press the "OK" button.

5, in order to make the effect more obvious, on the original basis of another color order, this time the input level parameter set to: 10;0.55;115, finished press the "good" button, hint: the use of color order can effectively achieve the color gamut of the image separation, which is a good example

6. Click on the "Rectangular marquee tool" button in the toolbox, or press the shortcut key m, select "Rectangular Marquee Tool", then click the left mouse button in the image and drag, make a rectangular selection, select the range we ultimately need

7, perform the Select | shift+ctrl+i command, or press the shortcut key to deselect the selected selection, and then press the DELETE key on the keyboard to remove unwanted images, then perform the Select | deselect command, or press the shortcut key ctrl+d to cancel the selection. Tip: Where to choose and not to choose where we should be very clear in mind

8, now bar code texture shading has been basically finished, next we need to the bar code at the bottom of the appropriate place to add text to achieve the final effect. First, choose the rectangular Marquee tool in the Toolbox, select the area in the image where you want the text to be hollowed out, and then press the DELETE key on the keyboard to remove the appropriate area. Then perform the Select | deselect command, or press the shortcut key ctrl+d to cancel the selection

9, click the "Type Tool" button in the toolbox, or press the shortcut key T, select the "type Tool", and then press the ENTER key on the keyboard to bring up the "type tool" option bar, in the options bar readers can be based on the actual needs of the text font and size, Then click the left mouse button at the appropriate location on the image to start adding text. Press Ctrl+enter when finished to complete the text editing status. Hint: "type tool" we often use, but to control its format is not simple, as if here, we want to put a large string of text posted to the middle of the bar code, you need to text size and spacing and other parameters for careful adjustment

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