public static DisplayDeviceArea[] getPresentationAndImageDeviceAreas() {
DisplayDeviceArea[] displayDeviceAreas = null;
GraphicsDevice[] gs = GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices();
if (gs.length == 1) {
DisplayMode dm = gs[0].getDisplayMode();
int width = dm.getWidth();
int height = dm.getHeight();
float presentationAspectRatio = 5f / 4; // usual screen for presentations
float imageAspectRatio = 3f / 4 * 2; // pair of portrait monitors
float presentationHorizontalProportion = 0.33f;
int presentationWidth = (int) (width * presentationHorizontalProportion);
int presentationHeight = (int) (presentationWidth / presentationAspectRatio);
if (presentationHeight > height) {
presentationHeight = height;
}
int presentationX = 0;
int presentationY = height - presentationHeight;
int imageWidth = width - presentationWidth;
int imageHeight = (int) (imageWidth / imageAspectRatio);
if (imageHeight > height) {
imageHeight = height;
}
int imageX = presentationWidth;
int imageY = height - imageHeight;
displayDeviceAreas = new DisplayDeviceArea[2];
displayDeviceAreas[0] =
new DisplayDeviceArea(
gs[0], presentationX, presentationY, presentationWidth, presentationHeight);
displayDeviceAreas[1] = new DisplayDeviceArea(gs[0], imageX, imageY, imageWidth, imageHeight);
} else if (gs.length == 2) {
DisplayMode dm1 = gs[0].getDisplayMode();
DisplayMode dm2 = gs[1].getDisplayMode();
int width1 = dm1.getWidth();
int width2 = dm2.getWidth();
int height1 = dm1.getHeight();
int height2 = dm2.getHeight();
GraphicsDevice presentationDevice;
GraphicsDevice imageDevice;
if (width1 * height1 > width2 * height2) {
presentationDevice = gs[1];
imageDevice = gs[0];
} else {
presentationDevice = gs[0];
imageDevice = gs[1];
}
displayDeviceAreas = new DisplayDeviceArea[2];
displayDeviceAreas[0] = new DisplayDeviceArea(presentationDevice);
displayDeviceAreas[1] = new DisplayDeviceArea(imageDevice);
}
return displayDeviceAreas;
}
public static void main(String[] args) {
System.out.println("It is program My");
// получение списка шрифтов
String[] fontNames =
GraphicsEnvironment.getLocalGraphicsEnvironment().getAvailableFontFamilyNames();
for (int i = 0; i < fontNames.length; i++) System.out.println(fontNames[i]);
MyFrame frame = new MyFrame();
// условие закрытия окна
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.show();
}
public static BufferedImage tileImage(BufferedImage im, int width, int height) {
GraphicsConfiguration gc =
GraphicsEnvironment.getLocalGraphicsEnvironment()
.getDefaultScreenDevice()
.getDefaultConfiguration();
int transparency = Transparency.OPAQUE; // Transparency.BITMASK;
BufferedImage compatible = gc.createCompatibleImage(width, height, transparency);
Graphics2D g = (Graphics2D) compatible.getGraphics();
g.setPaint(new TexturePaint(im, new Rectangle(0, 0, im.getWidth(), im.getHeight())));
g.fillRect(0, 0, width, height);
return compatible;
}
public void paintComponent(Graphics g) {
// необходиом чтобы текст коректно отрисовывался в окне
super.paintComponent(g);
// рисуем текст в окне
Graphics2D g2 = (Graphics2D) g;
AffineTransform t = g2.getTransform();
g.drawString("It is text", 5, 5);
// создание шрифта
Font f = new Font("SanasSerif", Font.ITALIC, 20);
g2.setFont(f);
g2.drawString("It is new text", 5, 33);
String[] fontNames =
GraphicsEnvironment.getLocalGraphicsEnvironment().getAvailableFontFamilyNames();
for (int i = 5; i < 20; i++) {
g2.rotate(-0.05);
g2.setColor(
new Color(
(int) (Math.random() * 255),
(int) (Math.random() * 255),
(int) (Math.random() * 255)));
Font f1 = new Font(fontNames[i], Font.BOLD, 20);
g2.setFont(f1);
g2.drawString(fontNames[i], 5, 20 * i);
}
// текст в центре
g2.setTransform(t); // возращение к кординатам, которые запонилив начале
Font f2 = new Font("SanasSerif", Font.ITALIC, 20);
g2.setFont(f2);
String s = "It is center!";
FontRenderContext context = g2.getFontRenderContext();
Rectangle2D r = f2.getStringBounds(s, context);
double x1 = (getWidth() - r.getWidth()) / 2;
double y1 = (getHeight() - r.getHeight()) / 2;
double ascent = -r.getY(); // узнаем высоту текста
double y2 = y1 + ascent;
Rectangle2D rect = new Rectangle2D.Double(x1, y1, r.getWidth(), r.getHeight());
g2.setColor(Color.YELLOW);
g2.fill(rect);
g2.setColor(Color.red);
g2.drawString(s, (int) x1, (int) y2);
g2.setColor(Color.blue);
g2.draw(new Line2D.Double(x1, y2, x1 + r.getWidth(), y2));
g2.draw(rect);
}
public GraphicsConfiguration getDeviceConfiguration() {
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice gd = ge.getDefaultScreenDevice();
return (gd.getDefaultConfiguration());
}
