public void setMatrix(boolean[][] newMatrix) {
if (newMatrix == null) {
throw new NullPointerException("setMatrix cannot be called on a null matrix.");
} else if (newMatrix.length != ToneMatrixConstants.size()) {
throw new IllegalArgumentException("Incorrect size for setMatrix");
} else {
int row;
for (row = 0; row < newMatrix.length; ++row) {
if (newMatrix[row] == null) {
throw new IllegalArgumentException("Inner array is null.");
}
if (newMatrix[row].length != ToneMatrixConstants.size()) {
throw new IllegalArgumentException("Incorrect size for setMatrix");
}
}
for (row = 0; row < ToneMatrixConstants.size(); ++row) {
for (int col = 0; col < ToneMatrixConstants.size(); ++col) {
this.matrix[ToneMatrixConstants.size() - 1 - row][col] = newMatrix[row][col];
}
}
this.redrawAll();
}
}
public void clear() {
for (int i = 0; i < ToneMatrixConstants.size(); ++i) {
for (int j = 0; j < ToneMatrixConstants.size(); ++j) {
this.markAt(i, j, false);
}
}
}
private void recalculateGeometry() {
this.xScale = (double) this.getWidth() / (double) ToneMatrixConstants.size();
this.yScale = (double) this.getHeight() / (double) ToneMatrixConstants.size();
this.xScale = this.yScale = Math.min(this.xScale, this.yScale);
this.xTrans =
((double) this.getWidth() - this.xScale * (double) ToneMatrixConstants.size()) / 2.0D;
this.yTrans =
((double) this.getHeight() - this.yScale * (double) ToneMatrixConstants.size()) / 2.0D;
}
public boolean[][] getMatrix() {
boolean[][] result = new boolean[ToneMatrixConstants.size()][ToneMatrixConstants.size()];
for (int i = 0; i < ToneMatrixConstants.size(); ++i) {
for (int j = 0; j < ToneMatrixConstants.size(); ++j) {
result[ToneMatrixConstants.size() - 1 - i][j] = this.matrix[i][j];
}
}
return result;
}
public void highlightColumn(int column) {
if (column < 0 || column >= ToneMatrixConstants.size()) {
column = -1;
}
this.highlightedColumn = column;
this.redrawAll();
}
private void redrawAll() {
for (int row = 0; row < ToneMatrixConstants.size(); ++row) {
for (int col = 0; col < ToneMatrixConstants.size(); ++col) {
this.matrixRects[row][col].setBounds(
this.xScale * (double) col + this.xTrans,
this.yScale * (double) row + this.yTrans,
this.xScale,
this.yScale);
this.matrixRects[row][col].setFillColor(this.matrix[row][col] ? LIT_COLOR : UNLIT_COLOR);
}
}
if (this.highlightedColumn == -1) {
this.highlightRect.setBounds(0.0D, 0.0D, 0.0D, 0.0D);
} else {
this.highlightRect.setBounds(
this.xScale * (double) this.highlightedColumn + this.xTrans,
this.yTrans,
this.xScale,
this.yScale * (double) ToneMatrixConstants.size());
}
}
public ToneMatrixDisplay() {
this.setBackground(BACKGROUND_COLOR);
for (int i = 0; i < ToneMatrixConstants.size(); ++i) {
for (int j = 0; j < ToneMatrixConstants.size(); ++j) {
this.matrixRects[i][j] = new GRect(0.0D, 0.0D, 0.0D, 0.0D);
this.matrixRects[i][j].setFilled(true);
this.matrixRects[i][j].setColor(Color.BLACK);
this.matrixRects[i][j].setFillColor(UNLIT_COLOR);
this.add(this.matrixRects[i][j]);
}
}
this.highlightRect = new GRect(0.0D, 0.0D, 0.0D, 0.0D);
this.highlightRect.setFilled(true);
this.highlightRect.setColor(HIGHLIGHT_RECT_COLOR);
this.add(this.highlightRect);
this.setPreferredSize(
new Dimension(ToneMatrixConstants.size() * 20, ToneMatrixConstants.size() * 20));
this.addMouseListener(this);
this.addMouseMotionListener(this);
this.addComponentListener(this);
}
/**
* Given the contents of the tone matrix, returns a string of notes that should be played to
* represent that matrix.
*
* @param toneMatrix The contents of the tone matrix.
* @param column The column number that is currently being played.
* @param samples The sound samples associated with each row.
* @return A sound sample corresponding to all notes currently being played.
*/
public static double[] matrixToMusic(boolean[][] toneMatrix, int column, double[][] samples) {
double[] result = new double[ToneMatrixConstants.sampleSize()];
Arrays.fill(result, 0);
double max = 1, min = -1, divider = 1;
for (int i = 0; i < toneMatrix.length; ++i) {
if (toneMatrix[i][column]) {
for (int j = 0; j < samples[column].length; ++j) {
/* calculates sum for every value of the column for samples */
result[j] += samples[i][j];
/* getting max and min values of the calculated result */
if (result[j] > max) {
max = result[j];
}
if (result[j] < min) {
min = result[j];
}
}
}
}
/* check for normalizing divider */
if (max != 1 && max > Math.abs(min)) {
divider = max;
} else if (min != -1 && Math.abs(min) > max) {
divider = min;
}
/* if we need to normalize wave, we going through result wave and divide each value for max value, that we got earlier */
if (divider != 1) {
for (int i = 0; i < result.length; ++i) {
result[i] /= divider;
}
}
return result;
}
private boolean inBounds(int row, int col) {
return row >= 0
&& col >= 0
&& row < ToneMatrixConstants.size()
&& col < ToneMatrixConstants.size();
}
public class ToneMatrixDisplay extends GCanvas
implements MouseListener, MouseMotionListener, ComponentListener {
private static final int GSCALE = 20;
private static final Color LIT_COLOR = new Color(232, 232, 232);
private static final Color UNLIT_COLOR = (new Color(134, 110, 255)).darker();
private static final Color HIGHLIGHT_RECT_COLOR = new Color(255, 255, 0, 128);
private static final Color BACKGROUND_COLOR;
private boolean[][] matrix = new boolean[ToneMatrixConstants.size()][ToneMatrixConstants.size()];
private GRect[][] matrixRects = new GRect[ToneMatrixConstants.size()][ToneMatrixConstants.size()];
private double xScale;
private double yScale;
private double xTrans;
private double yTrans;
private boolean isMarking;
private GRect highlightRect;
private volatile int highlightedColumn = -1;
static {
BACKGROUND_COLOR = Color.GRAY;
}
public ToneMatrixDisplay() {
this.setBackground(BACKGROUND_COLOR);
for (int i = 0; i < ToneMatrixConstants.size(); ++i) {
for (int j = 0; j < ToneMatrixConstants.size(); ++j) {
this.matrixRects[i][j] = new GRect(0.0D, 0.0D, 0.0D, 0.0D);
this.matrixRects[i][j].setFilled(true);
this.matrixRects[i][j].setColor(Color.BLACK);
this.matrixRects[i][j].setFillColor(UNLIT_COLOR);
this.add(this.matrixRects[i][j]);
}
}
this.highlightRect = new GRect(0.0D, 0.0D, 0.0D, 0.0D);
this.highlightRect.setFilled(true);
this.highlightRect.setColor(HIGHLIGHT_RECT_COLOR);
this.add(this.highlightRect);
this.setPreferredSize(
new Dimension(ToneMatrixConstants.size() * 20, ToneMatrixConstants.size() * 20));
this.addMouseListener(this);
this.addMouseMotionListener(this);
this.addComponentListener(this);
}
private void redrawAll() {
for (int row = 0; row < ToneMatrixConstants.size(); ++row) {
for (int col = 0; col < ToneMatrixConstants.size(); ++col) {
this.matrixRects[row][col].setBounds(
this.xScale * (double) col + this.xTrans,
this.yScale * (double) row + this.yTrans,
this.xScale,
this.yScale);
this.matrixRects[row][col].setFillColor(this.matrix[row][col] ? LIT_COLOR : UNLIT_COLOR);
}
}
if (this.highlightedColumn == -1) {
this.highlightRect.setBounds(0.0D, 0.0D, 0.0D, 0.0D);
} else {
this.highlightRect.setBounds(
this.xScale * (double) this.highlightedColumn + this.xTrans,
this.yTrans,
this.xScale,
this.yScale * (double) ToneMatrixConstants.size());
}
}
private void recalculateGeometry() {
this.xScale = (double) this.getWidth() / (double) ToneMatrixConstants.size();
this.yScale = (double) this.getHeight() / (double) ToneMatrixConstants.size();
this.xScale = this.yScale = Math.min(this.xScale, this.yScale);
this.xTrans =
((double) this.getWidth() - this.xScale * (double) ToneMatrixConstants.size()) / 2.0D;
this.yTrans =
((double) this.getHeight() - this.yScale * (double) ToneMatrixConstants.size()) / 2.0D;
}
private boolean inBounds(int row, int col) {
return row >= 0
&& col >= 0
&& row < ToneMatrixConstants.size()
&& col < ToneMatrixConstants.size();
}
private void markAt(int row, int col, boolean set) {
if (this.inBounds(row, col)) {
this.matrix[row][col] = set;
this.matrixRects[row][col].setFillColor(set ? LIT_COLOR : UNLIT_COLOR);
}
}
public void clear() {
for (int i = 0; i < ToneMatrixConstants.size(); ++i) {
for (int j = 0; j < ToneMatrixConstants.size(); ++j) {
this.markAt(i, j, false);
}
}
}
public void mouseDragged(MouseEvent e) {
int x = (int) (((double) e.getX() - this.xTrans) / this.xScale);
int y = (int) (((double) e.getY() - this.yTrans) / this.yScale);
this.markAt(y, x, this.isMarking);
}
public void mousePressed(MouseEvent e) {
int x = (int) (((double) e.getX() - this.xTrans) / this.xScale);
int y = (int) (((double) e.getY() - this.yTrans) / this.yScale);
if (this.inBounds(y, x)) {
this.isMarking = !this.matrix[y][x];
}
this.markAt(y, x, this.isMarking);
}
public void mouseClicked(MouseEvent arg0) {}
public void mouseEntered(MouseEvent arg0) {}
public void mouseExited(MouseEvent arg0) {}
public void mouseReleased(MouseEvent arg0) {}
public void mouseMoved(MouseEvent arg0) {}
public void componentHidden(ComponentEvent arg0) {}
public void componentMoved(ComponentEvent arg0) {}
public void componentShown(ComponentEvent arg0) {}
public void componentResized(ComponentEvent arg0) {
this.recalculateGeometry();
this.redrawAll();
}
public boolean[][] getMatrix() {
boolean[][] result = new boolean[ToneMatrixConstants.size()][ToneMatrixConstants.size()];
for (int i = 0; i < ToneMatrixConstants.size(); ++i) {
for (int j = 0; j < ToneMatrixConstants.size(); ++j) {
result[ToneMatrixConstants.size() - 1 - i][j] = this.matrix[i][j];
}
}
return result;
}
public void setMatrix(boolean[][] newMatrix) {
if (newMatrix == null) {
throw new NullPointerException("setMatrix cannot be called on a null matrix.");
} else if (newMatrix.length != ToneMatrixConstants.size()) {
throw new IllegalArgumentException("Incorrect size for setMatrix");
} else {
int row;
for (row = 0; row < newMatrix.length; ++row) {
if (newMatrix[row] == null) {
throw new IllegalArgumentException("Inner array is null.");
}
if (newMatrix[row].length != ToneMatrixConstants.size()) {
throw new IllegalArgumentException("Incorrect size for setMatrix");
}
}
for (row = 0; row < ToneMatrixConstants.size(); ++row) {
for (int col = 0; col < ToneMatrixConstants.size(); ++col) {
this.matrix[ToneMatrixConstants.size() - 1 - row][col] = newMatrix[row][col];
}
}
this.redrawAll();
}
}
public void highlightColumn(int column) {
if (column < 0 || column >= ToneMatrixConstants.size()) {
column = -1;
}
this.highlightedColumn = column;
this.redrawAll();
}
}
