/** Constructor for objects of class CoffeeCup */
public CoffeeCup(double x, double y, double width, double height) {
// Specify the upper left corner, and the
// width and height of the original points used to
// plot the *hard-coded* coffee cup
final double ORIG_ULX = 100.0;
final double ORIG_ULY = 100.0;
final double ORIG_HEIGHT = 300.0;
final double ORIG_WIDTH = 400.0;
GeneralPath leftSide = new GeneralPath();
// left side of cup
leftSide.moveTo(200, 400);
leftSide.lineTo(160, 360);
leftSide.lineTo(130, 300);
leftSide.lineTo(100, 200);
leftSide.lineTo(100, 100);
GeneralPath topAndBottom = new GeneralPath();
topAndBottom.moveTo(100, 100);
topAndBottom.lineTo(500, 100); // top of cup
topAndBottom.moveTo(200, 400);
topAndBottom.lineTo(400, 400); // bottom of cup
Shape rightSide = ShapeTransforms.horizontallyFlippedCopyOf(leftSide);
// after flipping around the upper left hand corner of the
// bounding box, we move this over to the right by 400 pixels
rightSide = ShapeTransforms.translatedCopyOf(rightSide, 400.0, 0.0);
// now we put the whole thing together ino a single path.
GeneralPath wholeCup = new GeneralPath();
wholeCup.append(topAndBottom, false);
wholeCup.append(leftSide, false);
wholeCup.append(rightSide, false);
// translate to the origin by subtracting the original upper left x and y
// then translate to (x,y) by adding x and y
Shape s = ShapeTransforms.translatedCopyOf(wholeCup, -ORIG_ULX + x, -ORIG_ULY + y);
// scale to correct height and width
s = ShapeTransforms.scaledCopyOf(s, width / ORIG_WIDTH, height / ORIG_HEIGHT);
// Use the GeneralPath constructor that takes a shape and returns
// it as a general path to set our instance variable cup
this.set(new GeneralPath(s));
}
/** Draw a picture with a few glasses */
public static void drawPicture1(Graphics2D g2) {
Glass h1 = new Glass(100, 250, 50, 75);
g2.setColor(Color.CYAN);
g2.draw(h1);
// Make a black house that's half the size,
// and moved over 150 pixels in x direction
Shape h2 = ShapeTransforms.scaledCopyOfLL(h1, 0.5, 0.5);
h2 = ShapeTransforms.translatedCopyOf(h2, 150, 0);
g2.setColor(Color.BLACK);
g2.draw(h2);
// Here's a house that's 4x as big (2x the original)
// and moved over 150 more pixels to right.
h2 = ShapeTransforms.scaledCopyOfLL(h2, 4, 4);
h2 = ShapeTransforms.translatedCopyOf(h2, 150, 0);
// We'll draw this with a thicker stroke
Stroke thick = new BasicStroke(4.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL);
// for hex colors, see (e.g.) http://en.wikipedia.org/wiki/List_of_colors
// #002FA7 is "International Klein Blue" according to Wikipedia
// In HTML we use #, but in Java (and C/C++) its 0x
Stroke orig = g2.getStroke();
g2.setStroke(thick);
g2.setColor(new Color(0x002FA7));
g2.draw(h2);
// Draw two houses with Windows
FullGlass hw1 = new FullGlass(50, 350, 40, 75);
FullGlass hw2 = new FullGlass(200, 350, 200, 100);
g2.draw(hw1);
g2.setColor(new Color(0x8F00FF));
g2.draw(hw2);
// @@@ FINALLY, SIGN AND LABEL YOUR DRAWING
g2.setStroke(orig);
g2.setColor(Color.BLACK);
g2.drawString("A few glasses by Julian Gee", 20, 20);
}
/** Draw a picture with a few glasses & full glasses */
public static void drawPicture2(Graphics2D g2) {
// Draw some coffee cups.
Glass large = new Glass(100, 50, 225, 150);
Glass smallCC = new Glass(20, 50, 40, 30);
Glass tallSkinny = new Glass(20, 150, 20, 40);
Glass shortFat = new Glass(20, 250, 40, 20);
g2.setColor(Color.RED);
g2.draw(large);
g2.setColor(Color.GREEN);
g2.draw(smallCC);
g2.setColor(Color.BLUE);
g2.draw(tallSkinny);
g2.setColor(Color.MAGENTA);
g2.draw(shortFat);
Glass h1 = new Glass(100, 250, 50, 75);
g2.setColor(Color.CYAN);
g2.draw(h1);
// Make a black house that's half the size,
// and moved over 150 pixels in x direction
Shape h2 = ShapeTransforms.scaledCopyOfLL(h1, 0.5, 0.5);
h2 = ShapeTransforms.translatedCopyOf(h2, 150, 0);
g2.setColor(Color.BLACK);
g2.draw(h2);
// Here's a house that's 4x as big (2x the original)
// and moved over 150 more pixels to right.
h2 = ShapeTransforms.scaledCopyOfLL(h2, 4, 4);
h2 = ShapeTransforms.translatedCopyOf(h2, 150, 0);
// We'll draw this with a thicker stroke
Stroke thick = new BasicStroke(4.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL);
// for hex colors, see (e.g.) http://en.wikipedia.org/wiki/List_of_colors
// #002FA7 is "International Klein Blue" according to Wikipedia
// In HTML we use #, but in Java (and C/C++) its 0x
Stroke orig = g2.getStroke();
g2.setStroke(thick);
g2.setColor(new Color(0x002FA7));
g2.draw(h2);
// Draw two houses with Windows
FullGlass hw1 = new FullGlass(50, 350, 40, 75);
FullGlass hw2 = new FullGlass(200, 350, 200, 100);
g2.draw(hw1);
g2.setColor(new Color(0x8F00FF));
// Rotate the second house 45 degrees around its center.
Shape hw3 = ShapeTransforms.rotatedCopyOf(hw2, Math.PI / 4.0);
g2.draw(hw3);
// @@@ FINALLY, SIGN AND LABEL YOUR DRAWING
g2.setStroke(orig);
g2.setColor(Color.BLACK);
g2.drawString("A bunch of glasses and full glasses by Julian Gee", 20, 20);
}
