Examples with IStepInfo de.mossgrabers.framework.daw.IStepInfo used on opensource projects

Example 41 with IStepInfo

use of de.mossgrabers.framework.daw.IStepInfo in project DrivenByMoss by git-moss.

the class MidiClipComponent method draw.

/**
 * {@inheritDoc}
 */
@Override
public void draw(final IGraphicsInfo info) {
    final IGraphicsConfiguration configuration = info.getConfiguration();
    final ColorEx gridBackground = configuration.getColorBackgroundLighter();
    final ColorEx measureTextColor = ColorEx.WHITE;
    final ColorEx dividersColor = configuration.getColorBackgroundDarker();
    final ColorEx noteColor = this.clip.getColor();
    final ColorEx noteMutedColor = ColorEx.DARK_GRAY;
    final ColorEx noteGridLoopColor = configuration.getColorBackground();
    final ColorEx noteBorderColor = ColorEx.BLACK;
    final IGraphicsContext gc = info.getContext();
    final double left = info.getBounds().left();
    final double width = info.getBounds().width();
    final double height = info.getBounds().height();
    final int top = 14;
    final double noteAreaHeight = height - top;
    // Draw the background
    gc.fillRectangle(left, top, width, noteAreaHeight, gridBackground);
    // Draw the loop, if any and ...
    final int numSteps = this.clip.getNumSteps();
    final double stepLength = this.clip.getStepLength();
    final double pageLength = numSteps * stepLength;
    final int editPage = this.clip.getEditPage();
    final double startPos = editPage * pageLength;
    final double endPos = (editPage + 1) * pageLength;
    final int len = top - 1;
    if (this.clip.isLoopEnabled()) {
        final double loopStart = this.clip.getLoopStart();
        final double loopLength = this.clip.getLoopLength();
        // ... the loop is visible in the current page
        if (loopStart < endPos && loopStart + loopLength > startPos) {
            final double start = Math.max(0, loopStart - startPos);
            final double end = Math.min(endPos, loopStart + loopLength) - startPos;
            final double x = width * start / pageLength;
            final double w = width * end / pageLength - x;
            // The header loop
            gc.fillRectangle(x + 1, 0, w, len, noteColor);
            // Background in note area
            gc.fillRectangle(x + 1, top, w, noteAreaHeight, noteGridLoopColor);
        }
    }
    // Draw play start in header
    final double playStart = this.clip.getPlayStart();
    if (playStart >= startPos && playStart <= endPos) {
        final double start = playStart - startPos;
        final double x = width * start / pageLength;
        gc.fillTriangle(x + 1, 0, x + 1 + len, len / 2.0, x + 1, len, noteColor);
        gc.strokeTriangle(x + 1, 0, x + 1 + len, len / 2.0, x + 1, len, ColorEx.evenDarker(noteColor));
    }
    // Draw play end in header
    final double playEnd = this.clip.getPlayEnd();
    if (playEnd >= startPos && playEnd <= endPos) {
        final double end = playEnd - startPos;
        final double x = width * end / pageLength;
        gc.fillTriangle(x + 1, 0, x + 1, len, x + 1 - top, len / 2.0, noteColor);
        gc.strokeTriangle(x + 1, 0, x + 1, len, x + 1 - top, len / 2.0, ColorEx.evenDarker(noteColor));
    }
    // Draw dividers
    final double stepWidth = width / numSteps;
    for (int step = 0; step <= numSteps; step++) {
        final double x = left + step * stepWidth;
        gc.fillRectangle(x, top, 1, noteAreaHeight, dividersColor);
        // Draw measure texts
        if (step % 4 == 0) {
            final double time = startPos + step * stepLength;
            final String measureText = StringUtils.formatMeasures(this.quartersPerMeasure, time, 1, false);
            gc.drawTextInHeight(measureText, x, 0, top - 1.0, measureTextColor, top);
        }
    }
    // Draw the notes
    final int lowerRowWithData = this.clip.getLowerRowWithData();
    if (lowerRowWithData == -1)
        return;
    final int upperRowWithData = this.clip.getUpperRowWithData();
    // Display at least 4 rows
    final int range = Math.max(4, 1 + upperRowWithData - lowerRowWithData);
    final double stepHeight = noteAreaHeight / range;
    final double fontSize = gc.calculateFontSize("G#5", stepHeight, stepWidth, 12.0);
    for (int row = 0; row < range; row++) {
        gc.fillRectangle(left, top + (range - row - 1) * stepHeight, width, 1, dividersColor);
        for (int step = 0; step < numSteps; step++) {
            final int note = lowerRowWithData + row;
            // Get step, check for length
            for (int channel = 0; channel < 16; channel++) {
                final IStepInfo stepInfo = this.clip.getStep(channel, step, note);
                final StepState stepState = stepInfo.getState();
                if (stepState == StepState.OFF)
                    continue;
                double x = left + step * stepWidth - 1;
                double w = stepWidth + 2;
                final boolean isStart = stepState == StepState.START;
                if (isStart) {
                    x += 2;
                    w -= 2;
                }
                gc.strokeRectangle(x, top + (range - row - 1) * stepHeight + 2, w, stepHeight - 2, noteBorderColor);
                gc.fillRectangle(x + (isStart ? 0 : -2), top + (range - row - 1) * stepHeight + 2, w - 1 + (isStart ? 0 : 2), stepHeight - 3, stepInfo.isMuted() ? noteMutedColor : noteColor);
                if (isStart && fontSize > 0) {
                    final String text = channel + 1 + ": " + Scales.formatDrumNote(note);
                    final ColorEx textColor = ColorEx.calcContrastColor(noteColor);
                    gc.drawTextInBounds(text, x, top + (range - row - 1) * stepHeight + 2, w - 1, stepHeight - 3, Align.CENTER, textColor, fontSize);
                }
            }
        }
    }
    // Draw the play cursor
    final int playStep = this.clip.getCurrentStep();
    if (playStep >= 0)
        gc.fillRectangle(left + playStep * stepWidth - 1, 0, 3, height, measureTextColor);
}