Example usage for java.awt.image WritableRaster getWidth

Introduction

In this page you can find the example usage for java.awt.image WritableRaster getWidth.

Prototype

public final int getWidth() 

Source Link

Document

Returns the width in pixels of the Raster.

Usage

From source file:tilt.image.Blob.java

/**
 * Test with small image/*from w w  w  .j  a  v  a  2s.c o  m*/
 * @param args ignored
 */
public static void main(String[] args) {
    try {
        Options opts = new Options(new JSONObject());
        String url = "http://ecdosis.net/test.png";
        Double[][] cc = { { 0.0, 0.0 }, { 100.0, 0.0 }, { 100.0, 100.0 }, { 0.0, 100.0 } };
        Picture p = new Picture(opts, url, new TextIndex("", ""), cc, InetAddress.getByName("127.0.0.1"));
        p.convertToTwoTone();
        BufferedImage bandw = ImageIO.read(p.twotone);
        WritableRaster wr = bandw.getRaster();
        Blob largest = null;
        int max = 0;
        int[] iArray = new int[1];
        WritableRaster darkRegions = bandw.copyData(null);
        Blob.setToWhite(darkRegions);
        for (int y = 0; y < wr.getHeight(); y++) {
            for (int x = 0; x < wr.getWidth(); x++) {
                Blob b = new Blob(darkRegions, opts, null);
                wr.getPixel(x, y, iArray);
                if (iArray[0] == 0) {
                    b.expandArea(wr, new Point(x, y));
                    if (b.size() > max) {
                        System.out.println("Found new blob at " + x + "," + y + " size=" + b.size());
                        largest = b;
                        max = b.size();
                    }
                }
            }
        }
        if (largest != null) {
            WritableRaster dirt = bandw.copyData(null);
            Blob.setToWhite(dirt);
            largest.save(dirt, wr, largest.firstBlackPixel);
            System.out.println(largest.toString());
        }
    } catch (Exception e) {
        e.printStackTrace(System.out);
    }
}

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From source file:tilt.image.Blob.java

/**
 * Set a raster to white (now only called by Picture)
 * @param wr the raster to white out/*from ww  w . j  a  va 2s . c  om*/
 * @return the average number of black pixels per pixel
 */
public static float setToWhite(WritableRaster wr) {
    int width = wr.getWidth();
    int height = wr.getHeight();
    Rectangle r = new Rectangle(0, 0, width, height);
    return setToWhite(wr, r);
}

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From source file:org.gmdev.pdftrick.utils.CustomExtraImgReader.java

/**
 * Invert pixel color if the image has a adobe marker ... not used now
 * @param raster//ww w  .j  a  va2s  .c o m
 */
@SuppressWarnings("unused")
private static void convertInvertedColors(WritableRaster raster) {
    int height = raster.getHeight();
    int width = raster.getWidth();
    int stride = width * 4;
    int[] pixelRow = new int[stride];
    for (int h = 0; h < height; h++) {
        raster.getPixels(0, h, width, 1, pixelRow);
        for (int x = 0; x < stride; x++)
            pixelRow[x] = 255 - pixelRow[x];
        raster.setPixels(0, h, width, 1, pixelRow);
    }
}

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From source file:org.gmdev.pdftrick.utils.CustomExtraImgReader.java

/**
 * Convert image profile from Ycck to Cmyk
 * @param raster/*ww w .  j  a v  a  2  s  . c  om*/
 */
private static void convertYcckToCmyk(WritableRaster raster) {
    int height = raster.getHeight();
    int width = raster.getWidth();
    int stride = width * 4;
    int[] pixelRow = new int[stride];
    for (int h = 0; h < height; h++) {
        raster.getPixels(0, h, width, 1, pixelRow);

        for (int x = 0; x < stride; x += 4) {
            int y = pixelRow[x];
            int cb = pixelRow[x + 1];
            int cr = pixelRow[x + 2];

            int c = (int) (y + 1.402 * cr - 178.956);
            int m = (int) (y - 0.34414 * cb - 0.71414 * cr + 135.95984);
            y = (int) (y + 1.772 * cb - 226.316);

            if (c < 0)
                c = 0;
            else if (c > 255)
                c = 255;
            if (m < 0)
                m = 0;
            else if (m > 255)
                m = 255;
            if (y < 0)
                y = 0;
            else if (y > 255)
                y = 255;

            pixelRow[x] = 255 - c;
            pixelRow[x + 1] = 255 - m;
            pixelRow[x + 2] = 255 - y;
        }
        raster.setPixels(0, h, width, 1, pixelRow);
    }
}

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From source file:org.shaman.terrain.vegetation.ImpositorCreator.java

public static void convertScreenShot(ByteBuffer bgraBuf, BufferedImage out) {
    WritableRaster wr = out.getRaster();
    DataBufferByte db = (DataBufferByte) wr.getDataBuffer();

    byte[] cpuArray = db.getData();

    // copy native memory to java memory
    bgraBuf.clear();//from  w ww .  j  a  v a  2 s  .c om
    bgraBuf.get(cpuArray);
    bgraBuf.clear();

    int width = wr.getWidth();
    int height = wr.getHeight();

    // flip the components the way AWT likes them

    // calcuate half of height such that all rows of the array are written to
    // e.g. for odd heights, write 1 more scanline
    int heightdiv2ceil = height % 2 == 1 ? (height / 2) + 1 : height / 2;
    for (int y = 0; y < heightdiv2ceil; y++) {
        for (int x = 0; x < width; x++) {
            int inPtr = (y * width + x) * 4;
            int outPtr = ((height - y - 1) * width + x) * 4;

            byte b1 = cpuArray[inPtr + 0];
            byte g1 = cpuArray[inPtr + 1];
            byte r1 = cpuArray[inPtr + 2];
            byte a1 = cpuArray[inPtr + 3];

            byte b2 = cpuArray[outPtr + 0];
            byte g2 = cpuArray[outPtr + 1];
            byte r2 = cpuArray[outPtr + 2];
            byte a2 = cpuArray[outPtr + 3];

            cpuArray[outPtr + 0] = a1;
            cpuArray[outPtr + 1] = r1;//b1;
            cpuArray[outPtr + 2] = g1;
            cpuArray[outPtr + 3] = b1;//r1;

            cpuArray[inPtr + 0] = a2;
            cpuArray[inPtr + 1] = r2;//b2;
            cpuArray[inPtr + 2] = g2;
            cpuArray[inPtr + 3] = b2;//r2;
        }
    }
}

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From source file:GraphicsUtil.java

protected static void mult_BYTE_COMP_Data(WritableRaster wr) {
    // System.out.println("Multiply Int: " + wr);

    ComponentSampleModel csm;//from  w  ww.j  av a2s  . co m
    csm = (ComponentSampleModel) wr.getSampleModel();

    final int width = wr.getWidth();

    final int scanStride = csm.getScanlineStride();
    final int pixStride = csm.getPixelStride();
    final int[] bandOff = csm.getBandOffsets();

    DataBufferByte db = (DataBufferByte) wr.getDataBuffer();
    final int base = (db.getOffset() + csm.getOffset(wr.getMinX() - wr.getSampleModelTranslateX(),
            wr.getMinY() - wr.getSampleModelTranslateY()));

    int a = 0;
    int aOff = bandOff[bandOff.length - 1];
    int bands = bandOff.length - 1;
    int b, i;

    // Access the pixel data array
    final byte pixels[] = db.getBankData()[0];
    for (int y = 0; y < wr.getHeight(); y++) {
        int sp = base + y * scanStride;
        final int end = sp + width * pixStride;
        while (sp < end) {
            a = pixels[sp + aOff] & 0xFF;
            if (a != 0xFF)
                for (b = 0; b < bands; b++) {
                    i = sp + bandOff[b];
                    pixels[i] = (byte) (((pixels[i] & 0xFF) * a) >> 8);
                }
            sp += pixStride;
        }
    }
}

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From source file:GraphicsUtil.java

protected static void divide_BYTE_COMP_Data(WritableRaster wr) {
    // System.out.println("Multiply Int: " + wr);

    ComponentSampleModel csm;//from   w  w  w  . j a  va 2 s .c  o m
    csm = (ComponentSampleModel) wr.getSampleModel();

    final int width = wr.getWidth();

    final int scanStride = csm.getScanlineStride();
    final int pixStride = csm.getPixelStride();
    final int[] bandOff = csm.getBandOffsets();

    DataBufferByte db = (DataBufferByte) wr.getDataBuffer();
    final int base = (db.getOffset() + csm.getOffset(wr.getMinX() - wr.getSampleModelTranslateX(),
            wr.getMinY() - wr.getSampleModelTranslateY()));

    int a = 0;
    int aOff = bandOff[bandOff.length - 1];
    int bands = bandOff.length - 1;
    int b, i;
    // Access the pixel data array
    final byte pixels[] = db.getBankData()[0];
    for (int y = 0; y < wr.getHeight(); y++) {
        int sp = base + y * scanStride;
        final int end = sp + width * pixStride;
        while (sp < end) {
            a = pixels[sp + aOff] & 0xFF;
            if (a == 0) {
                for (b = 0; b < bands; b++)
                    pixels[sp + bandOff[b]] = (byte) 0xFF;
            } else if (a < 255) {
                int aFP = (0x00FF0000 / a);
                for (b = 0; b < bands; b++) {
                    i = sp + bandOff[b];
                    pixels[i] = (byte) (((pixels[i] & 0xFF) * aFP) >>> 16);
                }
            }
            sp += pixStride;
        }
    }
}

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From source file:GraphicsUtil.java

protected static void divide_INT_PACK_Data(WritableRaster wr) {
    // System.out.println("Divide Int");

    SinglePixelPackedSampleModel sppsm;
    sppsm = (SinglePixelPackedSampleModel) wr.getSampleModel();

    final int width = wr.getWidth();

    final int scanStride = sppsm.getScanlineStride();
    DataBufferInt db = (DataBufferInt) wr.getDataBuffer();
    final int base = (db.getOffset() + sppsm.getOffset(wr.getMinX() - wr.getSampleModelTranslateX(),
            wr.getMinY() - wr.getSampleModelTranslateY()));
    int pixel, a, aFP;
    // Access the pixel data array
    final int pixels[] = db.getBankData()[0];
    for (int y = 0; y < wr.getHeight(); y++) {
        int sp = base + y * scanStride;
        final int end = sp + width;
        while (sp < end) {
            pixel = pixels[sp];//from w ww  .  j  a v a 2s  .  c o  m
            a = pixel >>> 24;
            if (a <= 0) {
                pixels[sp] = 0x00FFFFFF;
            } else if (a < 255) {
                aFP = (0x00FF0000 / a);
                pixels[sp] = ((a << 24) | (((((pixel & 0xFF0000) >> 16) * aFP) & 0xFF0000))
                        | (((((pixel & 0x00FF00) >> 8) * aFP) & 0xFF0000) >> 8)
                        | (((((pixel & 0x0000FF)) * aFP) & 0xFF0000) >> 16));
            }
            sp++;
        }
    }
}

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From source file:GraphicsUtil.java

protected static void mult_INT_PACK_Data(WritableRaster wr) {
    // System.out.println("Multiply Int: " + wr);

    SinglePixelPackedSampleModel sppsm;
    sppsm = (SinglePixelPackedSampleModel) wr.getSampleModel();

    final int width = wr.getWidth();

    final int scanStride = sppsm.getScanlineStride();
    DataBufferInt db = (DataBufferInt) wr.getDataBuffer();
    final int base = (db.getOffset() + sppsm.getOffset(wr.getMinX() - wr.getSampleModelTranslateX(),
            wr.getMinY() - wr.getSampleModelTranslateY()));
    // Access the pixel data array
    final int pixels[] = db.getBankData()[0];
    for (int y = 0; y < wr.getHeight(); y++) {
        int sp = base + y * scanStride;
        final int end = sp + width;
        while (sp < end) {
            int pixel = pixels[sp];
            int a = pixel >>> 24;
            if ((a >= 0) && (a < 255)) {
                pixels[sp] = ((a << 24) | ((((pixel & 0xFF0000) * a) >> 8) & 0xFF0000)
                        | ((((pixel & 0x00FF00) * a) >> 8) & 0x00FF00)
                        | ((((pixel & 0x0000FF) * a) >> 8) & 0x0000FF));
            }//from ww w. j  a v a 2  s . co  m
            sp++;
        }
    }
}

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From source file:GraphicsUtil.java

protected static void mult_BYTE_COMP_Data(WritableRaster wr) {
    // System.out.println("Multiply Int: " + wr);

    ComponentSampleModel csm;/* ww  w.  j a  v a  2 s  .c  o m*/
    csm = (ComponentSampleModel) wr.getSampleModel();

    final int width = wr.getWidth();

    final int scanStride = csm.getScanlineStride();
    final int pixStride = csm.getPixelStride();
    final int[] bandOff = csm.getBandOffsets();

    DataBufferByte db = (DataBufferByte) wr.getDataBuffer();
    final int base = (db.getOffset() + csm.getOffset(wr.getMinX() - wr.getSampleModelTranslateX(),
            wr.getMinY() - wr.getSampleModelTranslateY()));

    int aOff = bandOff[bandOff.length - 1];
    int bands = bandOff.length - 1;

    // Access the pixel data array
    final byte[] pixels = db.getBankData()[0];
    for (int y = 0; y < wr.getHeight(); y++) {
        int sp = base + y * scanStride;
        final int end = sp + width * pixStride;
        while (sp < end) {
            int a = pixels[sp + aOff] & 0xFF;
            if (a != 0xFF)
                for (int b = 0; b < bands; b++) {
                    int i = sp + bandOff[b];
                    pixels[i] = (byte) (((pixels[i] & 0xFF) * a) >> 8);
                }
            sp += pixStride;
        }
    }
}

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