Multiple polygons may result from clipping a single polygon.
Text clipping in computer graphics ppt. Insert a screen clipping on a page onenote. This method is also called as all or none. In computer graphics our screen act as a 2-D coordinate system.
We can view points which lie in particular range 00 and Xmax Ymax. Text Clipping Various techniques are used to provide text clipping in a computer graphics. So clipping is a procedure that identifies those portions of a picture that are either inside or outside of our viewing pane.
Object are placed into the scene by module transformation to a master coordinate system a rectangle area with its edge parallel to the. As with scan conversion this must be done as quickly as possibleas it is a very common operation. Text pattern is considered under a bounding rectangle.
If all characters of the string are inside window then we will keep the string if a string character is outside then whole string will be discarded in fig a. Text Clipping is a process in which we remove those part portion of string that is outside the view pane window Various methods and techniques can do the text clipping. Text clipping Methods.
Otherwise the string is completely removed. A simple method is completely considered or nothing considers method. All or None String Clipping method In this method if the whole string is inside the clip window then we consider it.
Ymin. These techniques depend on the character generation method. The parametric equations are given as The point clipping conditions for Liang-Barsky approach in the parametric form can be given as Every line endpoint in a picture is assigned a four-digit binary code.