Examples with ImagePixelGrabber com.joliciel.jochre.utils.graphics.ImagePixelGrabber used on opensource projects

Example 1 with ImagePixelGrabber

use of com.joliciel.jochre.utils.graphics.ImagePixelGrabber in project jochre by urieli.

the class ShapeImplTest method testGetBrightnessTotalsBySectorWithSquareBigger.

@Test
public void testGetBrightnessTotalsBySectorWithSquareBigger() throws Exception {
    System.setProperty("config.file", "src/test/resources/test.conf");
    ConfigFactory.invalidateCaches();
    Config config = ConfigFactory.load();
    JochreSession jochreSession = new JochreSession(config);
    Shape shape = new Shape(jochreSession);
    final int top = 0;
    final int bottom = 5;
    final int left = 0;
    final int right = 4;
    int[] pixels = new int[] { // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245 };
    ImagePixelGrabber pixelGrabber = new ImagePixelGrabberMock(pixels, right - left + 1, bottom - top + 1);
    final GroupOfShapes group = mock(GroupOfShapes.class);
    final RowOfShapes row = mock(RowOfShapes.class);
    final Paragraph paragraph = mock(Paragraph.class);
    final JochreImage image = mock(JochreImage.class);
    final BufferedImage shapeImage = mock(BufferedImage.class);
    when(group.getId()).thenReturn(1);
    when(group.getRow()).thenReturn(row);
    when(row.getParagraph()).thenReturn(paragraph);
    when(paragraph.getImage()).thenReturn(image);
    when(image.normalize(anyInt())).then(returnsFirstArg());
    when(image.isLeftToRight()).thenReturn(true);
    shape.setPixelGrabber(pixelGrabber);
    shape.setGroup(group);
    shape.setTop(0);
    shape.setBottom(bottom);
    shape.setLeft(0);
    shape.setRight(right);
    shape.setMeanLine(1);
    shape.setBaseLine(4);
    shape.setImage(shapeImage);
    double[][] totals = shape.getBrightnessBySection(6, 8, 0.5, 0.5, SectionBrightnessMeasurementMethod.RAW);
    LOG.debug("Pixels:");
    for (int y = 0; y < shape.getHeight(); y++) {
        String pixelsStr = "";
        for (int x = -1; x < shape.getWidth(); x++) {
            pixelsStr += shape.getPixelInShape(x, y) + ",";
        }
        LOG.debug(pixelsStr);
    }
    LOG.debug("Brightness totals by sector:");
    for (int y = 0; y < totals[0].length; y++) {
        String brightnessTotalsStr = "";
        for (int x = 0; x < totals.length; x++) {
            brightnessTotalsStr += totals[x][y] + ",";
        }
        LOG.debug(brightnessTotalsStr);
    }
    for (int y = 0; y < totals[0].length; y++) {
        for (int x = 0; x < totals.length; x++) {
            double expected = 160.0 / 16.0;
            if (x < 1)
                expected = 0.0;
            else if (y < 1)
                expected = 0.0;
            else if (y > 6)
                expected = 0.0;
            assertEquals("For x=" + x + ",y=" + y + " expected " + expected + " but was " + totals[x][y], expected, totals[x][y], 0.1);
        }
    }
}

Example 2 with ImagePixelGrabber

use of com.joliciel.jochre.utils.graphics.ImagePixelGrabber in project jochre by urieli.

the class ShapeImplTest method testGetBrightnessTotalsBySectorWithSquareSmaller.

@Test
public void testGetBrightnessTotalsBySectorWithSquareSmaller() throws Exception {
    System.setProperty("config.file", "src/test/resources/test.conf");
    ConfigFactory.invalidateCaches();
    Config config = ConfigFactory.load();
    JochreSession jochreSession = new JochreSession(config);
    Shape shape = new Shape(jochreSession);
    final int top = 0;
    final int bottom = 5;
    final int left = 0;
    final int right = 2;
    int[] pixels = new int[] { // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245 };
    ImagePixelGrabber pixelGrabber = new ImagePixelGrabberMock(pixels, right - left + 1, bottom - top + 1);
    final GroupOfShapes group = mock(GroupOfShapes.class);
    final RowOfShapes row = mock(RowOfShapes.class);
    final Paragraph paragraph = mock(Paragraph.class);
    final JochreImage image = mock(JochreImage.class);
    final BufferedImage shapeImage = mock(BufferedImage.class);
    when(group.getId()).thenReturn(1);
    when(group.getRow()).thenReturn(row);
    when(row.getParagraph()).thenReturn(paragraph);
    when(paragraph.getImage()).thenReturn(image);
    when(image.normalize(anyInt())).then(returnsFirstArg());
    when(image.isLeftToRight()).thenReturn(true);
    shape.setPixelGrabber(pixelGrabber);
    shape.setGroup(group);
    shape.setTop(0);
    shape.setBottom(bottom);
    shape.setLeft(0);
    shape.setRight(right);
    shape.setMeanLine(1);
    shape.setBaseLine(4);
    shape.setImage(shapeImage);
    double[][] totals = shape.getBrightnessBySection(6, 8, 0.5, 0.5, SectionBrightnessMeasurementMethod.RAW);
    LOG.debug("Pixels:");
    for (int y = 0; y < shape.getHeight(); y++) {
        String pixelsStr = "";
        for (int x = -1; x < shape.getWidth(); x++) {
            pixelsStr += shape.getPixelInShape(x, y) + ",";
        }
        LOG.debug(pixelsStr);
    }
    LOG.debug("Brightness totals by sector:");
    for (int y = 0; y < totals[0].length; y++) {
        String brightnessTotalsStr = "";
        for (int x = 0; x < totals.length; x++) {
            brightnessTotalsStr += totals[x][y] + ",";
        }
        LOG.debug(brightnessTotalsStr);
    }
    for (int y = 0; y < totals[0].length; y++) {
        for (int x = 0; x < totals.length; x++) {
            double expected = 120.0 / 12.0;
            if (x < 3)
                expected = 0.0;
            else if (y < 1)
                expected = 0.0;
            else if (y > 6)
                expected = 0.0;
            assertEquals("For x=" + x + ",y=" + y + " expected " + expected + " but was " + totals[x][y], expected, totals[x][y], 0.1);
        }
    }
}

Example 3 with ImagePixelGrabber

use of com.joliciel.jochre.utils.graphics.ImagePixelGrabber in project jochre by urieli.

the class ShapeImplTest method testGetBrightnessTotalsBySector.

@Test
public void testGetBrightnessTotalsBySector() throws Exception {
    System.setProperty("config.file", "src/test/resources/test.conf");
    ConfigFactory.invalidateCaches();
    Config config = ConfigFactory.load();
    JochreSession jochreSession = new JochreSession(config);
    Shape shape = new Shape(jochreSession);
    final int top = 0;
    final int bottom = 6;
    final int left = 0;
    final int right = 4;
    int[] pixels = new int[] { // row
    0, // row
    255, // row
    254, // row
    253, // row
    252, // row
    251, // row
    250, // row
    249, // row
    248, // row
    247, // row
    246, // row
    245, // row
    244, // row
    243, // row
    242, // row
    241, // row
    240, // row
    239, // row
    238, // row
    237, // row
    236, // row
    235, // row
    234, // row
    233, // row
    232, // row
    231, // row
    230, // row
    229, // row
    228, // row
    227, 226, 225, 224, 223, 222 };
    ImagePixelGrabber pixelGrabber = new ImagePixelGrabberMock(pixels, right - left + 1, bottom - top + 1);
    final GroupOfShapes group = mock(GroupOfShapes.class);
    final RowOfShapes row = mock(RowOfShapes.class);
    final Paragraph paragraph = mock(Paragraph.class);
    final JochreImage image = mock(JochreImage.class);
    final BufferedImage shapeImage = mock(BufferedImage.class);
    when(group.getId()).thenReturn(1);
    when(group.getRow()).thenReturn(row);
    when(row.getParagraph()).thenReturn(paragraph);
    when(paragraph.getImage()).thenReturn(image);
    when(image.normalize(anyInt())).thenAnswer(invocationOnMock -> {
        return invocationOnMock.getArgument(0);
    });
    when(image.isLeftToRight()).thenReturn(true);
    shape.setPixelGrabber(pixelGrabber);
    shape.setGroup(group);
    shape.setTop(0);
    shape.setBottom(6);
    shape.setLeft(0);
    shape.setRight(4);
    shape.setMeanLine(1);
    shape.setBaseLine(5);
    shape.setImage(shapeImage);
    double[][] totals = shape.getBrightnessBySection(5, 5, 1, SectionBrightnessMeasurementMethod.RAW);
    LOG.debug("Pixels:");
    for (int y = 0; y < shape.getHeight(); y++) {
        String pixelsStr = "";
        for (int x = 0; x < shape.getWidth(); x++) {
            pixelsStr += shape.getPixel(x, y) + ",";
        }
        LOG.debug(pixelsStr);
    }
    LOG.debug("Brightness totals by sector:");
    for (int y = 0; y < totals[0].length; y++) {
        String brightnessTotalsStr = "";
        for (int x = 0; x < totals.length; x++) {
            brightnessTotalsStr += totals[x][y] + ",";
        }
        LOG.debug(brightnessTotalsStr);
    }
    assertEquals(255.0, totals[0][0], 0.0001);
    double testBrightness = 0.0;
    for (int y = 0; y < totals[0].length; y++) {
        for (int x = 0; x < totals.length; x++) {
            if (x != 0 || y != 0) {
                assertEquals("For x=" + x + ",y=" + y + " expected " + testBrightness + " but was " + totals[x][y], testBrightness, totals[x][y], 0.0001);
                testBrightness += 1.0;
            }
        }
    }
}

Example 4 with ImagePixelGrabber

use of com.joliciel.jochre.utils.graphics.ImagePixelGrabber in project jochre by urieli.

the class ShapeImplTest method testGetBrightnessTotalsBySectorTwoSectorMargins.

@Test
public void testGetBrightnessTotalsBySectorTwoSectorMargins() throws Exception {
    System.setProperty("config.file", "src/test/resources/test.conf");
    ConfigFactory.invalidateCaches();
    Config config = ConfigFactory.load();
    JochreSession jochreSession = new JochreSession(config);
    Shape shape = new Shape(jochreSession);
    final int top = 0;
    final int bottom = 7;
    final int left = 0;
    final int right = 5;
    int[] pixels = new int[] { // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, 245, 245, 245, 245, 245, 245 };
    ImagePixelGrabber pixelGrabber = new ImagePixelGrabberMock(pixels, right - left + 1, bottom - top + 1);
    final GroupOfShapes group = mock(GroupOfShapes.class);
    final RowOfShapes row = mock(RowOfShapes.class);
    final Paragraph paragraph = mock(Paragraph.class);
    final JochreImage image = mock(JochreImage.class);
    final BufferedImage shapeImage = mock(BufferedImage.class);
    when(group.getId()).thenReturn(1);
    when(group.getRow()).thenReturn(row);
    when(row.getParagraph()).thenReturn(paragraph);
    when(paragraph.getImage()).thenReturn(image);
    when(image.normalize(anyInt())).then(returnsFirstArg());
    when(image.isLeftToRight()).thenReturn(true);
    shape.setPixelGrabber(pixelGrabber);
    shape.setGroup(group);
    shape.setTop(0);
    shape.setBottom(7);
    shape.setLeft(0);
    shape.setRight(5);
    shape.setMeanLine(2);
    shape.setBaseLine(4);
    shape.setImage(shapeImage);
    double[][] totals = shape.getBrightnessBySection(4, 4, 2, SectionBrightnessMeasurementMethod.RAW);
    LOG.debug("Pixels:");
    for (int y = 0; y < shape.getHeight(); y++) {
        String pixelsStr = "";
        for (int x = 0; x < shape.getWidth(); x++) {
            pixelsStr += shape.getPixel(x, y) + ",";
        }
        LOG.debug(pixelsStr);
    }
    LOG.debug("Brightness totals by sector:");
    for (int y = 0; y < totals[0].length; y++) {
        String brightnessTotalsStr = "";
        for (int x = 0; x < totals.length; x++) {
            brightnessTotalsStr += totals[x][y] + ",";
        }
        LOG.debug(brightnessTotalsStr);
    }
    for (int y = 0; y < totals[0].length; y++) {
        for (int x = 0; x < totals.length; x++) {
            double expected = 180.0 / 16.0;
            if (y < 2)
                expected = 120.0 / 8.0;
            else if (y > 5)
                expected = 180.0 / 8.0;
            assertEquals("For x=" + x + ",y=" + y + " expected " + expected + " but was " + totals[x][y], expected, totals[x][y], 0.1);
        }
    }
    double[][] ratios = shape.getBrightnessBySection(4, 4, 2, SectionBrightnessMeasurementMethod.SIZE_NORMALISED);
    for (int y = 0; y < ratios[0].length; y++) {
        String brightnessRatioStr = "";
        for (int x = 0; x < ratios.length; x++) {
            assertEquals(10.0, ratios[x][y], 0.01);
            brightnessRatioStr += ratios[x][y] + ",";
        }
        LOG.debug(brightnessRatioStr);
    }
}

Example 5 with ImagePixelGrabber

use of com.joliciel.jochre.utils.graphics.ImagePixelGrabber in project jochre by urieli.

the class ShapeImplTest method testGetBrightnessBySectorNoMargins.

@Test
public void testGetBrightnessBySectorNoMargins() throws Exception {
    System.setProperty("config.file", "src/test/resources/test.conf");
    ConfigFactory.invalidateCaches();
    Config config = ConfigFactory.load();
    JochreSession jochreSession = new JochreSession(config);
    Shape shape = new Shape(jochreSession);
    final int top = 0;
    final int bottom = 5;
    final int left = 0;
    final int right = 2;
    int[] pixels = new int[] { // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245, // row
    245 };
    ImagePixelGrabber pixelGrabber = new ImagePixelGrabberMock(pixels, right - left + 1, bottom - top + 1);
    final GroupOfShapes group = mock(GroupOfShapes.class);
    final RowOfShapes row = mock(RowOfShapes.class);
    final Paragraph paragraph = mock(Paragraph.class);
    final JochreImage image = mock(JochreImage.class);
    final BufferedImage shapeImage = mock(BufferedImage.class);
    when(group.getId()).thenReturn(1);
    when(group.getRow()).thenReturn(row);
    when(row.getParagraph()).thenReturn(paragraph);
    when(paragraph.getImage()).thenReturn(image);
    when(image.normalize(anyInt())).then(returnsFirstArg());
    when(image.isLeftToRight()).thenReturn(true);
    shape.setPixelGrabber(pixelGrabber);
    shape.setGroup(group);
    shape.setTop(0);
    shape.setBottom(bottom);
    shape.setLeft(0);
    shape.setRight(right);
    shape.setMeanLine(1);
    shape.setBaseLine(4);
    shape.setImage(shapeImage);
    double[][] totals = shape.getBrightnessBySection(6, 8, SectionBrightnessMeasurementMethod.RAW);
    LOG.debug("Pixels:");
    for (int y = 0; y < shape.getHeight(); y++) {
        String pixelsStr = "";
        for (int x = -1; x < shape.getWidth(); x++) {
            pixelsStr += shape.getPixelInShape(x, y) + ",";
        }
        LOG.debug(pixelsStr);
    }
    LOG.debug("Brightness totals by sector:");
    for (int y = 0; y < totals[0].length; y++) {
        String brightnessTotalsStr = "";
        for (int x = 0; x < totals.length; x++) {
            brightnessTotalsStr += totals[x][y] + ",";
        }
        LOG.debug(brightnessTotalsStr);
    }
    for (int y = 0; y < totals[0].length; y++) {
        for (int x = 0; x < totals.length; x++) {
            double expected = 180.0 / (6 * 8);
            assertEquals("For x=" + x + ",y=" + y + " expected " + expected + " but was " + totals[x][y], expected, totals[x][y], 0.1);
        }
    }
}