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Step 5Displaying arbitrary bitmaps
Displaying the time, or other such alphanumeric data, is fine, but sometimes we might wish to have a pretty display of some random stuff.
It can be done, as shall be discussed and demonstrated. I shall write programs which display the line of text "Instructables" as a bitmap, and the instructables robot, as a graphic 24 pixels high.
First, the required images have to be digitised. The initial step is to draw them out on graph paper.
"Instructables" was written using a font five pixels high. Since this is being transmitted as a bitmap, I have run letters together wherever possible without ruining legibility.
The image of the instructables robot was shrunk down to 24 pixels vertically and then I marked its outline with dots, and added a few dots on the interior, too. I think people will recognize the robot, particularly if you tell them forehand that that is what it is supposed to be.
It can be done, as shall be discussed and demonstrated. I shall write programs which display the line of text "Instructables" as a bitmap, and the instructables robot, as a graphic 24 pixels high.
First, the required images have to be digitised. The initial step is to draw them out on graph paper.
"Instructables" was written using a font five pixels high. Since this is being transmitted as a bitmap, I have run letters together wherever possible without ruining legibility.
The image of the instructables robot was shrunk down to 24 pixels vertically and then I marked its outline with dots, and added a few dots on the interior, too. I think people will recognize the robot, particularly if you tell them forehand that that is what it is supposed to be.
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