Examples with Graphics2D java.awt.Graphics2D used on opensource projects

Example 36 with Graphics2D

use of java.awt.Graphics2D in project opennms by OpenNMS.

the class TimelineRestService method image.

@GET
@Produces("image/png")
@Transactional
@Path("image/{nodeId}/{ipAddress}/{serviceName}/{start}/{end}/{width}")
public Response image(@Context final UriInfo uriInfo, @PathParam("nodeId") final int nodeId, @PathParam("ipAddress") final String ipAddress, @PathParam("serviceName") final String serviceName, @PathParam("start") final long start, @PathParam("end") final long end, @PathParam("width") final int width) throws IOException {
    long delta = end - start;
    OnmsOutageCollection onmsOutageCollection = queryOutages(uriInfo, nodeId, ipAddress, serviceName, start, end);
    BufferedImage bufferedImage = new BufferedImage(width, 20, BufferedImage.TYPE_INT_ARGB);
    Graphics2D graphics2D = (Graphics2D) bufferedImage.getGraphics();
    graphics2D.setFont(new Font(Font.SANS_SERIF, Font.PLAIN, 10));
    graphics2D.setColor(Color.BLACK);
    int numLabels = TimescaleDescriptor.computeNumberOfLabels(graphics2D, delta, width);
    for (TimescaleDescriptor desc : TIMESCALE_DESCRIPTORS) {
        if (desc.match(delta, numLabels)) {
            desc.drawGreen(graphics2D, width);
            for (OnmsOutage onmsOutage : onmsOutageCollection) {
                desc.drawEvent(graphics2D, delta, start, width, onmsOutage);
            }
            desc.drawLine(graphics2D, delta, start, width);
            break;
        }
    }
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ImageIO.write(bufferedImage, "png", baos);
    byte[] imageData = baos.toByteArray();
    return Response.ok(imageData).build();
}

Example 37 with Graphics2D

use of java.awt.Graphics2D in project jdk8u_jdk by JetBrains.

the class BMPPluginTest method createTestImage.

private static BufferedImage createTestImage(int type) throws IOException {
    int w = 200;
    int h = 200;
    BufferedImage b = new BufferedImage(w, h, type);
    Graphics2D g = b.createGraphics();
    g.setColor(Color.white);
    g.fillRect(0, 0, w, h);
    g.setColor(Color.black);
    g.fillOval(10, 10, w - 20, h - 20);
    return b;
}

Example 38 with Graphics2D

use of java.awt.Graphics2D in project jdk8u_jdk by JetBrains.

the class BMPSubsamplingTest method getTestImage.

private BufferedImage getTestImage(int type) {
    BufferedImage dst = null;
    ColorModel colorModel = null;
    WritableRaster raster = null;
    switch(type) {
        case TYPE_INT_GRB:
            colorModel = new DirectColorModel(24, 0x0000ff00, 0x00ff0000, 0x000000ff);
            break;
        case TYPE_INT_GBR:
            colorModel = new DirectColorModel(24, 0x000000ff, 0x00ff0000, 0x0000ff00);
            break;
        case TYPE_INT_RBG:
            colorModel = new DirectColorModel(24, 0x00ff0000, 0x000000ff, 0x0000ff00);
            break;
        case TYPE_INT_BRG:
            colorModel = new DirectColorModel(24, 0x0000ff00, 0x000000ff, 0x00ff0000);
            break;
        case TYPE_3BYTE_RGB:
            dst = create3ByteImage(new int[] { 8, 8, 8 }, new int[] { 0, 1, 2 });
            break;
        case TYPE_3BYTE_GRB:
            dst = create3ByteImage(new int[] { 8, 8, 8 }, new int[] { 1, 0, 2 });
            break;
        case TYPE_USHORT_555_GRB:
            colorModel = new DirectColorModel(16, 0x03E0, 0x7C00, 0x001F);
            break;
        case TYPE_USHORT_555_BGR:
            colorModel = new DirectColorModel(16, 0x001F, 0x03E0, 0x7C00);
            break;
        case TYPE_USHORT_565_BGR:
            colorModel = new DirectColorModel(16, 0x001F, 0x07E0, 0xf800);
            break;
        case TYPE_4BPP_INDEXED:
            dst = createIndexImage(4);
            break;
        default:
            dst = new BufferedImage(w, h, type);
    }
    if (dst == null) {
        raster = colorModel.createCompatibleWritableRaster(w, h);
        dst = new BufferedImage(colorModel, raster, false, null);
    }
    Graphics2D g = dst.createGraphics();
    for (int i = 0; i < colors.length; i++) {
        g.setColor(colors[i]);
        g.fillRect(i * dx, 0, dx, h);
    }
    g.dispose();
    return dst;
}

Example 39 with Graphics2D

use of java.awt.Graphics2D in project jdk8u_jdk by JetBrains.

the class HelvLtOblTest method drawText.

BufferedImage drawText(boolean doGV) {
    int w = 400;
    int h = 50;
    BufferedImage bi = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
    Graphics2D g = bi.createGraphics();
    g.setColor(Color.white);
    g.fillRect(0, 0, w, h);
    g.setColor(Color.black);
    Font f = helvFont.deriveFont(Font.PLAIN, 40);
    g.setFont(f);
    int x = 5;
    int y = h - 10;
    if (doGV) {
        FontRenderContext frc = new FontRenderContext(null, true, true);
        GlyphVector gv = f.createGlyphVector(frc, codes);
        g.drawGlyphVector(gv, 5, y);
    } else {
        g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
        g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
        g.drawString(str, x, y);
    }
    return bi;
}

Example 40 with Graphics2D

use of java.awt.Graphics2D in project jdk8u_jdk by JetBrains.

the class BMPWriteParamTest method createTestImage.

private static BufferedImage createTestImage() throws IOException {
    int w = 50;
    int h = 50;
    BufferedImage b = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
    Graphics2D g = b.createGraphics();
    g.setColor(Color.red);
    g.fillRect(0, 0, w, h);
    g.setColor(Color.white);
    for (int i = 10; i <= 10 + 30; i += 3) {
        g.drawLine(i, 10, i, 40);
        g.drawLine(10, i, 40, i);
    }
    return b;
}