Examples with BufferedImage java.awt.image.BufferedImage used on opensource projects

Example 66 with BufferedImage

use of java.awt.image.BufferedImage in project binnavi by google.

the class CodeDisplay method updateVisibleLinesAndColumns.

void updateVisibleLinesAndColumns() {
    // Calculates how many lines and columns will be actually visible at the
    // moment.
    int currentVisibleLines = getNumberOfVisibleLines();
    int currentVisibleColumns = getNumberOfVisibleColumns();
    if ((currentlyVisibleLines != currentVisibleLines) || (currentlyVisibleColumns != currentVisibleColumns)) {
        currentlyVisibleLines = currentVisibleLines;
        currentlyVisibleColumns = currentVisibleColumns;
        // Include room for the newline characters.
        int properWidth = codeModel.getTotalWidthInCharacters();
        int properLines = currentlyVisibleLines + 1;
        charBuffer = new FormattedCharacterBuffer(properLines, properWidth);
        bufferedImage = new BufferedImage(properWidth * fontCharWidth, properLines * fontLineHeight, BufferedImage.TYPE_INT_RGB);
        bufferedGraphics = (Graphics2D) bufferedImage.getGraphics();
    }
}

Example 67 with BufferedImage

use of java.awt.image.BufferedImage in project gephi by gephi.

the class StatisticsModelImpl method embedImages.

private String embedImages(String report) {
    StringBuilder builder = new StringBuilder();
    String[] result = report.split("file:");
    boolean first = true;
    for (int i = 0; i < result.length; i++) {
        if (result[i].contains("</IMG>")) {
            String next = result[i];
            String[] elements = next.split("\"");
            String filename = elements[0];
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            File file = new File(filename);
            try {
                BufferedImage image = ImageIO.read(file);
                ImageIO.write((RenderedImage) image, "PNG", out);
            } catch (Exception e) {
                e.printStackTrace();
            }
            byte[] imageBytes = out.toByteArray();
            String base64String = Base64.encodeBase64String(imageBytes);
            if (!first) {
                builder.append("\"");
            }
            first = false;
            builder.append("data:image/png;base64,");
            builder.append(base64String);
            for (int j = 1; j < elements.length; j++) {
                builder.append("\"");
                builder.append(elements[j]);
            }
        } else {
            builder.append(result[i]);
        }
    }
    return builder.toString();
}

Example 68 with BufferedImage

use of java.awt.image.BufferedImage in project qrcode by yanbe.

the class J2SEDebugCanvas method drawMatrix.

public void drawMatrix(boolean[][] matrix) {
    if (image == null) {
        image = new BufferedImage(matrix.length, matrix[0].length, BufferedImage.TYPE_INT_ARGB);
        setSize(matrix.length, matrix[0].length);
    }
    Graphics2D g2d = image.createGraphics();
    g2d.setColor(java.awt.Color.WHITE);
    int width = getWidth();
    for (int x = 0; x < matrix.length; x++) {
        g2d.drawLine(x, 0, x, width);
    }
    g2d.setColor(java.awt.Color.BLACK);
    for (int x = 0; x < matrix.length; x++) {
        for (int y = 0; y < matrix[0].length; y++) {
            if (matrix[x][y] == true)
                g2d.drawLine(x, y, x, y);
        }
    }
    repaint();
}

Example 69 with BufferedImage

use of java.awt.image.BufferedImage in project qrcode by yanbe.

the class J2SECanvas method processDecode.

static boolean processDecode(String filename, QRCodeDecoder decoder) {
    DebugCanvas canvas = new J2SECanvas();
    decoder.setCanvas(canvas);
    BufferedImage image = null;
    try {
        if (filename.startsWith("http://"))
            image = ImageIO.read(new URL(filename));
        else
            image = ImageIO.read(new File(filename));
        String decodedString = new String(decoder.decode(new J2SEImage(image)));
        decodedString = ContentConverter.convert(decodedString);
        System.out.println(decodedString);
    } catch (IOException e) {
        canvas.println("Error: " + e.getMessage() + " " + filename);
        return false;
    } catch (DecodingFailedException dfe) {
        canvas.println("Error: " + dfe.getMessage());
        return false;
    } catch (Exception e) {
        canvas.println("Error: " + e.getMessage());
        return false;
    }
    return true;
}

Example 70 with BufferedImage

use of java.awt.image.BufferedImage in project antlrworks by antlr.

the class XJTree method createDragImage.

public void createDragImage(DragGestureEvent event) {
    Point dragOrigin = event.getDragOrigin();
    TreePath path = getPathForLocation(dragOrigin.x, dragOrigin.y);
    Rectangle r = getPathBounds(path);
    dragImageOffset.setLocation(dragOrigin.x - r.x, dragOrigin.y - r.y);
    JLabel label = (JLabel) getCellRenderer().getTreeCellRendererComponent(this, path.getLastPathComponent(), false, isExpanded(path), getModel().isLeaf(path.getLastPathComponent()), 0, false);
    label.setSize(r.width, r.height);
    dragImage = new BufferedImage(r.width, r.height, BufferedImage.TYPE_INT_ARGB_PRE);
    Graphics2D g2d = dragImage.createGraphics();
    g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC, 0.5f));
    label.paint(g2d);
    g2d.dispose();
}