internal virtual void cameraCanvasCaptured(sbyte[] pngData)
{
cameraCanvas.stop();
displayCanvas.Image = pngData;
Display.getDisplay(this).setCurrent(displayCanvas);
Image image = Image.createImage(pngData, 0, pngData.Length);
// TODO Uncomment below for demo on emulator
try
{
image = Image.createImage("/qrcode.jpg");
}
catch (System.IO.IOException ioe)
{
}
QRCodeDecoder decoder = new QRCodeDecoder();
QRCodeDecoder.setCanvas(displayCanvas);
try
{
decodedTextBox.DecodedString = new String(decoder.decode(new J2MEImage(image)));
}
catch (DecodingFailedException dfe)
{
displayCanvas.println("Decoding failed");
displayCanvas.println("(" + dfe.getMessage() + ")");
displayCanvas.println("--------");
return;
}
displayCanvas.println("--------");
displayCanvas.addViewDecodedStringCommand();
}
public virtual void drawLine(Line line, int color)
{
Image bufImage = Image.createImage(image.getWidth(), image.getHeight());
Graphics g = bufImage.getGraphics();
g.drawImage(image, 0, 0, 0);
g.setColor(color);
g.drawLine(line.getP1().getX(), line.getP1().getY(), line.getP2().getX(), line.getP2().getY());
image = bufImage;
repaint();
}
public virtual void drawCross(Point point, int color)
{
Image bufImage = Image.createImage(image.getWidth(), image.getHeight());
Graphics g = bufImage.getGraphics();
g.drawImage(image, 0, 0, 0);
g.setColor(color);
g.drawLine(point.getX() - 5, point.getY(), point.getX() + 5, point.getY());
g.drawLine(point.getX(), point.getY() - 5, point.getX(), point.getY() + 5);
image = bufImage;
repaint();
}
public virtual void drawPoints(Point[] points, int color)
{
Image bufImage = Image.createImage(image.getWidth(), image.getHeight());
Graphics g = bufImage.getGraphics();
g.drawImage(image, 0, 0, 0);
g.setColor(color);
for (int i = 0; i < points.length - 1; i++)
{
g.drawLine(points[i].getX(), points[i].getY(), points[i].getX() + 1, points[i].getY());
}
image = bufImage;
repaint();
}
public virtual void drawLines(Line[] lines, int color)
{
Image bufImage = Image.createImage(image.getWidth(), image.getHeight());
Graphics g = bufImage.getGraphics();
g.drawImage(image, 0, 0, 0);
g.setColor(color);
for (int i = 0; i < lines.length - 1; i++)
{
g.drawLine(lines[i].getP1().getX(), lines[i].getP1().getY(), lines[i].getP2().getX(), lines[i].getP2().getY());
}
image = bufImage;
repaint();
}
public virtual void drawMatrix(bool[][] matrix)
{
Image bufImage = Image.createImage(image.getWidth(), image.getHeight());
Graphics g = bufImage.getGraphics();
g.setColor(0xCCCCCC);
for (int y = 0; y < matrix[0].Length; y++)
{
for (int x = 0; x < matrix.Length; x++)
{
if (matrix[x][y] == true)
{
g.drawLine(x, y, x + 1, y);
}
}
}
image = bufImage;
repaint();
}
public J2MEImage(Image image)
{
this.image = image;
intImage = new int[image.Width * image.Height];
image.getRGB(this.intImage, 0, image.Width, 0, 0, image.Width, image.Height);
}
