Examples with Shape com.joliciel.jochre.graphics.Shape used on opensource projects

Example 66 with Shape

use of com.joliciel.jochre.graphics.Shape in project jochre by urieli.

the class JochreDocument method getXml.

/**
 * Returns an xml representation of this document as it currently stands, to
 * be used for correcting the text associated with this document.
 */
public void getXml(OutputStream outputStream) {
    try {
        XMLOutputFactory xmlOutputFactory = XMLOutputFactory.newFactory();
        XMLStreamWriter writer = xmlOutputFactory.createXMLStreamWriter(outputStream);
        writer.writeStartDocument("UTF-8", "1.0");
        writer.writeStartElement("doc");
        writer.writeAttribute("name", this.getName());
        writer.writeAttribute("fileName", this.getFileName());
        writer.writeAttribute("locale", this.getLocale().getLanguage());
        for (JochrePage page : this.getPages()) {
            writer.writeStartElement("page");
            writer.writeAttribute("index", "" + page.getIndex());
            for (JochreImage image : page.getImages()) {
                writer.writeStartElement("image");
                writer.writeAttribute("name", image.getName());
                writer.writeAttribute("index", "" + image.getIndex());
                for (Paragraph paragraph : image.getParagraphs()) {
                    writer.writeStartElement("paragraph");
                    writer.writeAttribute("index", "" + paragraph.getIndex());
                    StringBuffer sb = new StringBuffer();
                    for (RowOfShapes row : paragraph.getRows()) {
                        for (GroupOfShapes group : row.getGroups()) {
                            for (Shape shape : group.getShapes()) {
                                if (shape.getLetter() != null)
                                    sb.append(shape.getLetter());
                            }
                            sb.append(" ");
                        }
                        sb.append("\r\n");
                    }
                    writer.writeCData(sb.toString());
                    // paragraph
                    writer.writeEndElement();
                }
                // image
                writer.writeEndElement();
            }
            // page
            writer.writeEndElement();
        }
        // doc
        writer.writeEndElement();
        writer.writeEndDocument();
        writer.flush();
    } catch (XMLStreamException e) {
        throw new JochreException(e);
    }
}

Example 67 with Shape

use of com.joliciel.jochre.graphics.Shape in project jochre by urieli.

the class HeightFeature method checkInternal.

@Override
public FeatureResult<Double> checkInternal(ShapeWrapper shapeWrapper, RuntimeEnvironment env) {
    Shape shape = shapeWrapper.getShape();
    double ratio = (double) shape.getHeight() / (double) (shape.getBaseLine() - shape.getMeanLine());
    FeatureResult<Double> outcome = this.generateResult(ratio);
    return outcome;
}

Example 68 with Shape

use of com.joliciel.jochre.graphics.Shape in project jochre by urieli.

the class LowerLefthandOpeningFeature method checkInternal.

@Override
public FeatureResult<Boolean> checkInternal(ShapeWrapper shapeWrapper, RuntimeEnvironment env) {
    Shape shape = shapeWrapper.getShape();
    int lowerPoint = (int) ((double) shape.getHeight() * (7.0 / 8.0));
    int upperPoint = shape.getHeight() / 2;
    int openingThreshold = shape.getWidth() / 2;
    int wallThreshold = shape.getWidth() / 4;
    if (LOG.isTraceEnabled()) {
        LOG.trace("lowerPoint: " + lowerPoint);
        LOG.trace("upperPoint: " + upperPoint);
        LOG.trace("openingThreshold: " + openingThreshold);
        LOG.trace("wallThreshold: " + wallThreshold);
    }
    boolean foundWall = false;
    boolean foundOpening = false;
    boolean foundAnotherWall = false;
    for (int y = upperPoint; y <= lowerPoint; y++) {
        for (int x = 0; x <= openingThreshold; x++) {
            if (!foundWall && x > wallThreshold) {
                break;
            } else if (!foundWall && shape.isPixelBlack(x, y, shape.getJochreImage().getBlackThreshold())) {
                foundWall = true;
                if (LOG.isTraceEnabled())
                    LOG.trace("foundWall y=" + y + ", x=" + x);
                break;
            } else if (foundWall && !foundOpening && shape.isPixelBlack(x, y, shape.getJochreImage().getBlackThreshold())) {
                break;
            } else if (foundWall && !foundOpening && x == openingThreshold) {
                foundOpening = true;
                if (LOG.isTraceEnabled())
                    LOG.trace("foundOpening y=" + y + ", x=" + x);
                break;
            } else if (foundOpening && !foundAnotherWall && x >= wallThreshold) {
                break;
            } else if (foundOpening && !foundAnotherWall && shape.isPixelBlack(x, y, shape.getJochreImage().getBlackThreshold())) {
                foundAnotherWall = true;
                if (LOG.isTraceEnabled())
                    LOG.trace("foundAnotherWall y=" + y + ", x=" + x);
                break;
            }
        }
        if (foundAnotherWall)
            break;
    }
    FeatureResult<Boolean> outcome = this.generateResult(foundAnotherWall);
    return outcome;
}

Example 69 with Shape

use of com.joliciel.jochre.graphics.Shape in project jochre by urieli.

the class LowerRightCornerFullFeature method checkInternal.

@Override
public FeatureResult<Boolean> checkInternal(ShapeWrapper shapeWrapper, RuntimeEnvironment env) {
    Shape shape = shapeWrapper.getShape();
    int xSectors = 5;
    int centreSectors = 7;
    int marginSectors = 1;
    double[][] grid = shape.getBrightnessBySection(xSectors, centreSectors, marginSectors, SectionBrightnessMeasurementMethod.RELATIVE_TO_MAX_SECTION);
    boolean cornerFull = false;
    int cornerY = grid[0].length - (2 * marginSectors);
    cornerFull = (grid[grid.length - 1][cornerY] >= 0.5);
    FeatureResult<Boolean> outcome = this.generateResult(cornerFull);
    return outcome;
}

Example 70 with Shape

use of com.joliciel.jochre.graphics.Shape in project jochre by urieli.

the class LowerRighthandGapFeature method checkInternal.

@Override
public FeatureResult<Boolean> checkInternal(ShapeWrapper shapeWrapper, RuntimeEnvironment env) {
    Shape shape = shapeWrapper.getShape();
    int xSectors = 7;
    int centreSectors = 21;
    int marginSectors = 1;
    double[][] initialGrid = shape.getBrightnessBySection(xSectors, centreSectors, marginSectors, SectionBrightnessMeasurementMethod.RELATIVE_TO_MAX_SECTION);
    double[][] grid = initialGrid.clone();
    // get rid of holes
    for (int i = 1; i < grid.length - 1; i++) {
        for (int j = 1; j < grid[0].length - 1; j++) {
            if (grid[i][j] == 0) {
                if (grid[i - 1][j] >= 0.5 && grid[i + 1][j] >= 0.5 && grid[i][j - 1] >= 0.5 && grid[i][j + 1] >= 0.5)
                    grid[i][j] = 1;
            }
        }
    }
    boolean foundGap = false;
    boolean goodGap = true;
    int gapLeft = grid[0].length;
    int gapRight = 0;
    for (int j = (centreSectors / 2) + 1; j < grid[0].length; j++) {
        if (LOG.isTraceEnabled())
            LOG.trace("Row " + j);
        if (foundGap) {
            // check that there's a bit of white beneath it
            goodGap = false;
            for (int i = gapLeft; i <= gapRight; i++) {
                double brightness = grid[i][j];
                if (brightness < 0.5) {
                    goodGap = true;
                    gapRight = i;
                    gapLeft = i;
                    break;
                }
            }
            if (!goodGap) {
                foundGap = false;
                goodGap = true;
            }
            // check the gap's limits
            for (int i = gapRight - 1; i >= 0; i--) {
                double brightness = grid[i][j];
                if (brightness < 0.5)
                    gapLeft = i;
                else
                    break;
            }
            for (int i = gapLeft + 1; i < grid.length; i++) {
                double brightness = grid[i][j];
                if (brightness < 0.5)
                    gapRight = i;
                else
                    break;
            }
            if (LOG.isTraceEnabled())
                LOG.trace("foundGap, gapLeft=" + gapLeft + ", gapRight=" + gapRight);
        }
        if (!foundGap) {
            boolean reachedBlack = false;
            boolean reachedWhite = false;
            for (int i = 0; i < grid.length; i++) {
                double brightness = grid[i][j];
                if (foundGap)
                    reachedBlack = true;
                if (!reachedBlack && brightness >= 0.5) {
                    if (LOG.isTraceEnabled())
                        LOG.trace("reachedBlack");
                    reachedBlack = true;
                } else if (reachedBlack && brightness >= 0.5) {
                    if (grid[i][j - 1] == 1.0) {
                        if (!reachedWhite) {
                            if (LOG.isTraceEnabled())
                                LOG.trace("reachedWhite");
                            reachedWhite = true;
                            gapLeft = i;
                        }
                    } else {
                        reachedBlack = false;
                        reachedWhite = false;
                    }
                } else if (reachedWhite && brightness >= 0.5) {
                    foundGap = true;
                    gapRight = i - 1;
                    if (LOG.isTraceEnabled())
                        LOG.trace("foundGap, gapLeft=" + gapLeft + ", gapRight=" + gapRight);
                    break;
                }
            }
        }
    }
    FeatureResult<Boolean> outcome = this.generateResult(foundGap && goodGap);
    return outcome;
}