Example usage for java.awt.image WritableRaster getMinX

Introduction

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

Prototype

public final int getMinX() 

Source Link

Document

Returns the minimum valid X coordinate of the Raster.

Usage

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  w  w.  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  .  c  om
            sp++;
        }
    }
}

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From source file:GraphicsUtil.java

public static void divideAlpha(WritableRaster wr) {
    if (is_BYTE_COMP_Data(wr.getSampleModel()))
        divide_BYTE_COMP_Data(wr);
    else if (is_INT_PACK_Data(wr.getSampleModel(), true))
        divide_INT_PACK_Data(wr);
    else {//from   w w  w  .j ava2 s  .co m
        int x0, x1, y0, y1, a, b;
        float ialpha;
        int bands = wr.getNumBands();
        int[] pixel = null;

        x0 = wr.getMinX();
        x1 = x0 + wr.getWidth();
        y0 = wr.getMinY();
        y1 = y0 + wr.getHeight();
        for (int y = y0; y < y1; y++)
            for (int x = x0; x < x1; x++) {
                pixel = wr.getPixel(x, y, pixel);
                a = pixel[bands - 1];
                if ((a > 0) && (a < 255)) {
                    ialpha = 255 / (float) a;
                    for (b = 0; b < bands - 1; b++)
                        pixel[b] = (int) (pixel[b] * ialpha + 0.5f);
                    wr.setPixel(x, y, pixel);
                }
            }
    }
}

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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()));

    // 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) {
                pixels[sp] = 0x00FFFFFF;
            } else if (a < 255) {
                int aFP = (0x00FF0000 / a);
                pixels[sp] = ((a << 24) | (((((pixel & 0xFF0000) >> 16) * aFP) & 0xFF0000))
                        | (((((pixel & 0x00FF00) >> 8) * aFP) & 0xFF0000) >> 8)
                        | (((((pixel & 0x0000FF)) * aFP) & 0xFF0000) >> 16));
            }// w w  w.  j  a  v  a2 s  .  com
            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)) { // this does NOT include a == 255 (0xff) !
                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  a2  s .co m
            sp++;
        }
    }
}

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From source file:GraphicsUtil.java

public static void multiplyAlpha(WritableRaster wr) {
    if (is_BYTE_COMP_Data(wr.getSampleModel()))
        mult_BYTE_COMP_Data(wr);//from  ww w  .jav  a2  s  .c o  m
    else if (is_INT_PACK_Data(wr.getSampleModel(), true))
        mult_INT_PACK_Data(wr);
    else {
        int[] pixel = null;
        int bands = wr.getNumBands();
        float norm = 1f / 255f;
        int x0, x1, y0, y1, a, b;
        float alpha;
        x0 = wr.getMinX();
        x1 = x0 + wr.getWidth();
        y0 = wr.getMinY();
        y1 = y0 + wr.getHeight();
        for (int y = y0; y < y1; y++)
            for (int x = x0; x < x1; x++) {
                pixel = wr.getPixel(x, y, pixel);
                a = pixel[bands - 1];
                if ((a >= 0) && (a < 255)) {
                    alpha = a * norm;
                    for (b = 0; b < bands - 1; b++)
                        pixel[b] = (int) (pixel[b] * alpha + 0.5f);
                    wr.setPixel(x, y, pixel);
                }
            }
    }
}

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From source file:GraphicsUtil.java

public static void copyData_FALLBACK(Raster src, WritableRaster dst) {
    // System.out.println("Fallback copyData");

    int x0 = dst.getMinX();
    if (x0 < src.getMinX())
        x0 = src.getMinX();/*from w  w  w  .j av  a  2 s  . c  o m*/

    int y0 = dst.getMinY();
    if (y0 < src.getMinY())
        y0 = src.getMinY();

    int x1 = dst.getMinX() + dst.getWidth() - 1;
    if (x1 > src.getMinX() + src.getWidth() - 1)
        x1 = src.getMinX() + src.getWidth() - 1;

    int y1 = dst.getMinY() + dst.getHeight() - 1;
    if (y1 > src.getMinY() + src.getHeight() - 1)
        y1 = src.getMinY() + src.getHeight() - 1;

    int width = x1 - x0 + 1;
    int[] data = null;

    for (int y = y0; y <= y1; y++) {
        data = src.getPixels(x0, y, width, 1, data);
        dst.setPixels(x0, y, width, 1, data);
    }
}

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From source file:GraphicsUtil.java

/**
 * An internal optimized version of copyData designed to work on
 * Integer packed data with a SinglePixelPackedSampleModel.  Only
 * the region of overlap between src and dst is copied.
 *
 * Calls to this should be preflighted with is_INT_PACK_Data
 * on both src and dest (requireAlpha can be false).
 *
 * @param src The source of the data/*from w  w  w  . j av a  2  s .c om*/
 * @param dst The destination for the data.
 */
public static void copyData_INT_PACK(Raster src, WritableRaster dst) {
    // System.out.println("Fast copyData");
    int x0 = dst.getMinX();
    if (x0 < src.getMinX())
        x0 = src.getMinX();

    int y0 = dst.getMinY();
    if (y0 < src.getMinY())
        y0 = src.getMinY();

    int x1 = dst.getMinX() + dst.getWidth() - 1;
    if (x1 > src.getMinX() + src.getWidth() - 1)
        x1 = src.getMinX() + src.getWidth() - 1;

    int y1 = dst.getMinY() + dst.getHeight() - 1;
    if (y1 > src.getMinY() + src.getHeight() - 1)
        y1 = src.getMinY() + src.getHeight() - 1;

    int width = x1 - x0 + 1;
    int height = y1 - y0 + 1;

    SinglePixelPackedSampleModel srcSPPSM;
    srcSPPSM = (SinglePixelPackedSampleModel) src.getSampleModel();

    final int srcScanStride = srcSPPSM.getScanlineStride();
    DataBufferInt srcDB = (DataBufferInt) src.getDataBuffer();
    final int[] srcPixels = srcDB.getBankData()[0];
    final int srcBase = (srcDB.getOffset()
            + srcSPPSM.getOffset(x0 - src.getSampleModelTranslateX(), y0 - src.getSampleModelTranslateY()));

    SinglePixelPackedSampleModel dstSPPSM;
    dstSPPSM = (SinglePixelPackedSampleModel) dst.getSampleModel();

    final int dstScanStride = dstSPPSM.getScanlineStride();
    DataBufferInt dstDB = (DataBufferInt) dst.getDataBuffer();
    final int[] dstPixels = dstDB.getBankData()[0];
    final int dstBase = (dstDB.getOffset()
            + dstSPPSM.getOffset(x0 - dst.getSampleModelTranslateX(), y0 - dst.getSampleModelTranslateY()));

    if ((srcScanStride == dstScanStride) && (srcScanStride == width)) {
        // System.out.println("VERY Fast copyData");

        System.arraycopy(srcPixels, srcBase, dstPixels, dstBase, width * height);
    } else if (width > 128) {
        int srcSP = srcBase;
        int dstSP = dstBase;
        for (int y = 0; y < height; y++) {
            System.arraycopy(srcPixels, srcSP, dstPixels, dstSP, width);
            srcSP += srcScanStride;
            dstSP += dstScanStride;
        }
    } else {
        for (int y = 0; y < height; y++) {
            int srcSP = srcBase + y * srcScanStride;
            int dstSP = dstBase + y * dstScanStride;
            for (int x = 0; x < width; x++)
                dstPixels[dstSP++] = srcPixels[srcSP++];
        }
    }
}

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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  www .  jav  a2 s . c om
    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  ww .j ava  2  s.c om
    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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