public class Program { public static void main(String[] args) { Canvas display = new Canvas(41, 30); Renderer renderer = new Renderer (display); TextRenderer textRenderer = new TextRenderer(display); int frames = 0; while (++frames <= 1) { display.clear (false); renderer.drawSquare (2, 25, 39, 29); //renderer.drawSquare (12, 14, 22, 21); //renderer.drawSquare (24, 13, 38, 20); textRenderer.drawText(1,1, "hi Alexander"); display.flip (); } System.out.println("done!"); } } public class Canvas { int width; int height; boolean [][] frame; public Canvas (int wi, int he) { width = wi; height = he; frame = new boolean [wi][he]; clear(false); } public void clear (boolean state) { for(int x = 0; x < width; x++) { for(int y = 0; y < height; y++) { frame[x][y] = state; } } } public void setPixel(int x, int y, boolean state) { try { frame[x][y] = state; } catch (Exception e) { System.out.println(x + ", " + y); } } public void flip () { for(int y = 0; y < height; y++) { for(int x = 0; x < width; x++) { if (frame[x][y]) System.out.print("#"); else System.out.print(" "); } System.out.print("\n"); } System.out.print("\n"); } } public class Renderer { Canvas canvas; public Renderer (Canvas canv) { canvas = canv; } public void drawSquare (Point p1, Point p2) { for(int i = 0; i < p2.x - p1.x; i++) { for(int j = 0; j < p2.y - p1.y; j++) { canvas.setPixel (p1.x + i, p1.y + j, true); } } } public void drawSquare (int x1, int y1, int x2, int y2) { for(int i = 0; i < x2 - x1; i++) { for(int j = 0; j < y2 - y1; j++) { canvas.setPixel (x1 + i, y1 + j, true); } } } } public class TextRenderer { Canvas canvas; int writex = 0; int writey = 0; public TextRenderer (Canvas canv) { canvas = canv; } public void drawText (int x, int y, String txt) { int lines = 0; for (int i=0; i < txt.length(); i++) { writex = x+10*i; lines = 0; while (writex+8 > canvas.width) { writex -= canvas.width-x; lines++; } //if (writex-x < 0) //writex = x; writex = ((int)((writex-x+4)/10.0f)) * 10 + x; writey = y+6*lines; char c = txt.toUpperCase().charAt(i); if (c == 'A') print("..######..\n..#....#..\n..######..\n..#....#..\n..#....#..\n\n"); else if (c == 'B') print("..######..\n..#....#..\n..#####...\n..#....#..\n..######..\n\n") ; else if (c == 'C') print("..######..\n..#.......\n..#.......\n..#.......\n..######..\n\n") ; else if (c == 'D') print("..#####...\n..#....#..\n..#....#..\n..#....#..\n..#####...\n\n") ; else if (c == 'E') print("..######..\n..#.......\n..#####...\n..#.......\n..######..\n\n"); else if (c == 'F') print("..######..\n..#.......\n..#####...\n..#.......\n..#.......\n\n"); else if (c == 'G') print("..######..\n..#.......\n..#####...\n..#....#..\n..#####...\n\n") ; else if (c == 'H') print("..#....#..\n..#....#..\n..######..\n..#....#..\n..#....#..\n\n"); else if (c == 'I') print("..######..\n....##....\n....##....\n....##....\n..######..\n\n") ; else if (c == 'J') print("..######..\n....##....\n....##....\n..#.##....\n..####....\n\n") ; else if (c == 'K') print("..#...#...\n..#..#....\n..##......\n..#..#....\n..#...#...\n\n"); else if (c == 'L') print("..#.......\n..#.......\n..#.......\n..#.......\n..######..\n\n") ; else if (c == 'M') print("..#....#..\n..##..##..\n..#.##.#..\n..#....#..\n..#....#..\n\n") ; else if (c == 'N') print("..#....#..\n..##...#..\n..#.#..#..\n..#..#.#..\n..#...##..\n\n"); else if (c == 'O') print("..######..\n..#....#..\n..#....#..\n..#....#..\n..######..\n\n"); else if (c == 'P') print("..######..\n..#....#..\n..######..\n..#.......\n..#.......\n\n"); else if (c == 'Q') print("..######..\n..#....#..\n..#.#..#..\n..#..#.#..\n..######..\n\n") ; else if (c == 'R') print("..######..\n..#....#..\n..#.##....\n..#...#...\n..#....#..\n\n") ; else if (c == 'S') print("..######..\n..#.......\n..######..\n.......#..\n..######..\n\n"); else if (c == 'T') print("..######..\n....##....\n....##....\n....##....\n....##....\n\n"); else if (c == 'U') print("..#....#..\n..#....#..\n..#....#..\n..#....#..\n..######..\n\n") ; else if (c == 'V') print("..#....#..\n..#....#..\n..#....#..\n...#..#...\n....##....\n\n") ; else if (c == 'W') print("..#....#..\n..#....#..\n..#.##.#..\n..##..##..\n..#....#..\n\n") ; else if (c == 'X') print("..#....#..\n...#..#...\n....##....\n...#..#...\n..#....#..\n\n") ; else if (c == 'Y') print("..#....#..\n...#..#...\n....##....\n....##....\n....##....\n\n") ; else if (c == 'Z') print("..######..\n......#...\n.....#....\n....#.....\n..######..\n\n") ; else if (c == ' ') print("..........\n..........\n..........\n..........\n\n") ; else if (c == '.') print("..........\n..........\n..........\n....##....\n....##....\n") ; } } public void print(String txt) { for (int i=0; i < txt.length(); i++) { char c = txt.charAt(i); if (c == '.') { writex++; } else if (c == '\n') { i++; writex-=9; writey++; } else { canvas.setPixel(writex, writey, true); writex++; } } } } public class Point { int x; int y; public Point (int _x, int _y) { x = _x; y = _y; } }

2d rendering