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eu.hansolo.steelseries.gauges.DisplayRectangular Maven / Gradle / Ivy

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The SteelSeries is a javabeans component library that contains gauges. You will find linear and radial gauges. In addition you will also find digital displays, indicators from cars and some instruments from airplanes and sailboats.

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package eu.hansolo.steelseries.gauges;

import eu.hansolo.steelseries.tools.LcdColor;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.LinearGradientPaint;
import java.awt.Paint;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.font.FontRenderContext;
import java.awt.font.TextLayout;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;


/**
 *
 * @author hansolo
 */
public final class DisplayRectangular extends AbstractLinear {
    // 
    private BufferedImage frameImage;
    private BufferedImage backgroundImage;
    private BufferedImage titleImage;
    private BufferedImage lcdImage;
    private BufferedImage foregroundImage;
    private BufferedImage disabledImage;
    private final FontRenderContext RENDER_CONTEXT = new FontRenderContext(null, true, true);
    private TextLayout unitLayout;
    private final Rectangle2D UNIT_BOUNDARY = new Rectangle2D.Double();
    private TextLayout valueLayout;
    private final Rectangle2D VALUE_BOUNDARY = new Rectangle2D.Double();
    // 

    // 
    public DisplayRectangular() {
        super();
        init(getInnerBounds().width, getInnerBounds().height);
    }
    // 

    // 
    @Override
    public final AbstractGauge init(final int WIDTH, final int HEIGHT) {
        if (WIDTH <= 1 || HEIGHT <= 1) {
            return this;
        }

        int offset = 0;
        if (isFrameVisible()) {
            offset = 18;
        }

        if (isDigitalFont()) {
            setLcdValueFont(LCD_DIGITAL_FONT.deriveFont(0.7f * (getHeight() - (2 * offset))));
        } else {
            setLcdValueFont(LCD_STANDARD_FONT.deriveFont(0.625f * (getHeight() - (2 * offset))));
        }

        if (isCustomLcdUnitFontEnabled()) {
            setLcdUnitFont(getCustomLcdUnitFont().deriveFont(0.25f * (getHeight() - (2 * offset))));
        } else {
            setLcdUnitFont(LCD_STANDARD_FONT.deriveFont(0.25f * (getHeight() - (2 * offset))));
        }

        if (frameImage != null) {
            frameImage.flush();
        }
        frameImage = create_FRAME_Image(WIDTH, HEIGHT);

        if (backgroundImage != null) {
            backgroundImage.flush();
        }
        backgroundImage = create_BACKGROUND_Image(WIDTH, HEIGHT);

        if (lcdImage != null) {
            lcdImage.flush();
        }
        if (isFrameVisible()) {
            lcdImage = create_LCD_Image(WIDTH - (2 * offset), HEIGHT - (2 * offset), getLcdColor(), getCustomLcdBackground());
        } else {
            lcdImage = create_LCD_Image(getWidth(), getHeight(), getLcdColor(), getCustomLcdBackground());
        }
        if (foregroundImage != null) {
            foregroundImage.flush();
        }
        foregroundImage = create_FOREGROUND_Image(WIDTH, HEIGHT);

        if (disabledImage != null) {
            disabledImage.flush();
        }
        disabledImage = create_DISABLED_Image(getWidth(), getHeight());

        if (backgroundImage != null) {
            backgroundImage.flush();
        }
        backgroundImage = create_BACKGROUND_Image(WIDTH, HEIGHT);
        if (foregroundImage != null) {
            foregroundImage.flush();
        }
        foregroundImage = create_FOREGROUND_Image(WIDTH, HEIGHT);
        if (disabledImage != null) {
            disabledImage.flush();
        }
        disabledImage = create_DISABLED_Image(WIDTH, HEIGHT);

        return this;
    }
    // 

    // 
    @Override
    protected void paintComponent(Graphics g) {
        if (!isInitialized()) {
            return;
        }

        final Graphics2D G2 = (Graphics2D) g.create();

        G2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        G2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
        //G2.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
        //G2.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
        //G2.setRenderingHint(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY);
        G2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_NORMALIZE);
        //G2.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
        G2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);

        G2.translate(getInnerBounds().x, getInnerBounds().y);

        // Draw the frame
        if (isFrameVisible()) {
            G2.drawImage(frameImage, 0, 0, null);
        }

        // Draw the background
        if (isBackgroundVisible()) {
            G2.drawImage(backgroundImage, 0, 0, null);
        }

        // Draw LCD display
        if (isLcdVisible()) {
            int offset = 0;
            if (isFrameVisible()) {
                offset = 18;
            }

            G2.drawImage(lcdImage, offset, offset, null);

            if (getLcdColor() == LcdColor.CUSTOM) {
                G2.setColor(getCustomLcdForeground());
            } else {
                G2.setColor(getLcdColor().TEXT_COLOR);
            }
            G2.setFont(getLcdUnitFont());
            final double UNIT_STRING_WIDTH;
            if (isLcdUnitStringVisible()) {
                unitLayout = new TextLayout(getLcdUnitString(), G2.getFont(), RENDER_CONTEXT);
                UNIT_BOUNDARY.setFrame(unitLayout.getBounds());
                G2.drawString(getLcdUnitString(), (int) ((lcdImage.getWidth() - UNIT_BOUNDARY.getWidth()) - lcdImage.getWidth() * 0.03f) + offset, (int) (lcdImage.getHeight() * 0.76f) + offset);
                UNIT_STRING_WIDTH = UNIT_BOUNDARY.getWidth();
            } else {
                UNIT_STRING_WIDTH = 0;
            }
            G2.setFont(getLcdValueFont());
            valueLayout = new TextLayout(formatLcdValue(getLcdValue()), G2.getFont(), RENDER_CONTEXT);
            VALUE_BOUNDARY.setFrame(valueLayout.getBounds());
            G2.drawString(formatLcdValue(getLcdValue()), (int) ((lcdImage.getWidth() - UNIT_STRING_WIDTH - VALUE_BOUNDARY.getWidth()) - lcdImage.getWidth() * 0.09) + offset, (int) (lcdImage.getHeight() * 0.76f) + offset);
        }

        // Draw the foreground
        if (isForegroundVisible()) {
            G2.drawImage(foregroundImage, 0, 0, null);
        }

        if (!isEnabled()) {
            G2.drawImage(disabledImage, 0, 0, null);
        }

        G2.translate(-getInnerBounds().x, -getInnerBounds().y);

        G2.dispose();
    }
    // 

    // 
    @Override
    public boolean isLcdVisible() {
        return true;
    }

    @Override
    public void setValue(final double VALUE) {
        setLcdValue(VALUE);
    }

    @Override
    public double getValue() {
        return getLcdValue();
    }

    @Override
    public boolean isValueCoupled() {
        return false;
    }

    @Override
    public Paint createCustomLcdBackgroundPaint(final Color[] LCD_COLORS) {
        int offset = 1;
        if (isFrameVisible()) {
            offset = 19;
        }
        final Point2D FOREGROUND_START = new Point2D.Double(0.0, offset);
        final Point2D FOREGROUND_STOP = new Point2D.Double(0.0, getHeight() - offset);
        if (FOREGROUND_START.equals(FOREGROUND_STOP)) {
            FOREGROUND_STOP.setLocation(0.0, FOREGROUND_START.getY() + 1);
        }

        final float[] FOREGROUND_FRACTIONS = {
            0.0f,
            0.03f,
            0.49f,
            0.5f,
            1.0f
        };

        final Color[] FOREGROUND_COLORS = {
            LCD_COLORS[0],
            LCD_COLORS[1],
            LCD_COLORS[2],
            LCD_COLORS[3],
            LCD_COLORS[4]
        };

        return new LinearGradientPaint(FOREGROUND_START, FOREGROUND_STOP, FOREGROUND_FRACTIONS, FOREGROUND_COLORS);
    }

    @Override
    public Point2D getCenter() {
        return new Point2D.Double(backgroundImage.getWidth() / 2.0 + getInnerBounds().x, backgroundImage.getHeight() / 2.0 + getInnerBounds().y);
    }

    @Override
    public Rectangle2D getBounds2D() {
        return new Rectangle2D.Double(0, 0, getWidth(), getHeight());
    }

    @Override
    public Rectangle getLcdBounds() {
        int offset = 0;
        if (isFrameVisible()) {
            offset = 17;
        }
        return new Rectangle(offset, offset, lcdImage.getWidth(), lcdImage.getHeight());
    }
    // 

    @Override
    public String toString() {
        return "DisplayRectangular";
    }
}




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