Drawing and Java2D

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Ovals and arcs g.drawOval( x, y, w, h ), fillOval● Circles are ovals with equal width and height drawArc( x, y, w, h, angle, sweep ), fillArc● Specify starting angle (0 points to right)● Specify how far the arc should go (sweep)● Angle and sweep are both in integer degreesCMPT166: drawing and Java2D 15 Feb 201112
Polylines and polygons drawPolyline( int[] x, int[] y, int numPts )● Arrays of x and y coordinates● Draws connected line segments drawPolygon( int[] x, int[] y, int numPts )● Connects last point to first point Also fillPolygon(...)● Filling an arbitrary polygon is not trivial!(tessellation)CMPT166: drawing and Java2D 15 Feb 201113
Page 8 and 9: WindowAdapter class Implementing th
Page 10 and 11: paint() vs. paintComponent() JFrame
Page 14 and 15: Steps to draw in a widget Subclass
Page 16 and 17: Line stroke Stroking is how lines a
Page 18 and 19: Reading images from file ImageIO li
Page 20 and 21: Clipping The current clip is the vi
Page 22 and 23: Coordinate transforms Default has o

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