Lookup table : A lookup table is an array of numbers that may be referred to by subscript, thus avoiding the recalculation of values each time a number in a table must be referred to. In computer graphics, lookup tables are used to store the starting addresses of each line and the values corresponding to the placement of pixels within a byte.
The following four steps are required to plot a point using a lookup table -
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The following four steps are required to plot a point using a lookup table -
1. Locate the starting address corresponding to the line on which the point is to appear.
2. Locate the address of the byte in which the point will be represented.
3. Locate the bit which will represent the correct pixel (i.e., compute the value for the byte that will correctly represent the point.)
4. Logically OR the calculated value with the present value of the byte.
Learn More from Blog : 2. Locate the address of the byte in which the point will be represented.
3. Locate the bit which will represent the correct pixel (i.e., compute the value for the byte that will correctly represent the point.)
4. Logically OR the calculated value with the present value of the byte.
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Expert Computer Networking
Talent Programming Language C
Logical Discrete Mathematics
Expert Compiler Design
Expert Data Structure
Professional Algorithm Design
Professional Responsive Web Page Design By Bootstrap
Talent Software Engineering
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