Examples with Page com.xenoage.zong.layout.Page used on opensource projects

Example 11 with Page

use of com.xenoage.zong.layout.Page in project Zong by Xenoage.

the class GwtCanvasLayoutRenderer method paintToCanvas.

/**
 * Paints the given page of the given {@link Layout} at the given zoom level
 * into the given {@link CanvasElement}, which is resized to include the whole page.
 * The size in pixel is also returned.
 */
public static Size2i paintToCanvas(Layout layout, int pageIndex, float zoom, com.google.gwt.canvas.client.Canvas canvas) {
    Context2d context = canvas.getContext2d();
    // compute size
    Page page = layout.getPages().get(pageIndex);
    Size2f pageSize = page.getFormat().getSize();
    int width = Units.mmToPxInt(pageSize.width, zoom);
    int height = Units.mmToPxInt(pageSize.height, zoom);
    // resize canvas and coordinate space
    canvas.setWidth(width + "px");
    canvas.setHeight(height + "px");
    // double resolution: smoother
    int coordSpaceFactor = 2;
    canvas.setCoordinateSpaceWidth(width * coordSpaceFactor);
    canvas.setCoordinateSpaceHeight(height * coordSpaceFactor);
    context.scale(coordSpaceFactor, coordSpaceFactor);
    // white page
    context.setFillStyle("white");
    context.fillRect(0, 0, width, height);
    // paint layout
    LayoutRenderer.paintToCanvas(layout, pageIndex, zoom, origin, new GwtCanvas(context, CanvasFormat.Raster, CanvasDecoration.Interactive, CanvasIntegrity.Perfect));
    return new Size2i(width, height);
}

Example 12 with Page

use of com.xenoage.zong.layout.Page in project Zong by Xenoage.

the class CursorOutput method write.

public JsonObject write(ScoreDoc doc) {
    JsonObject ret = new JsonObject();
    // create midi sequence and mp mappings
    Score score = doc.getScore();
    val seq = MidiConverter.convertToSequence(score, optionsForFileExport, new JseMidiSequenceWriter());
    // save time map
    JsonArray jsonMPs = new JsonArray();
    val timeMap = seq.getTimeMap();
    for (int iRep : range(timeMap.getRepetitionsCount())) {
        for (val time : timeMap.getTimesSorted(iRep)) {
            val midiTime = timeMap.getByRepTime(iRep, time);
            JsonObject jsonMP = new JsonObject();
            jsonMP.addProperty("measure", time.measure);
            jsonMP.addProperty("beat", "" + time.beat);
            jsonMP.addProperty("ms", midiTime.ms);
            jsonMPs.add(jsonMP);
        }
    }
    ret.add("mps", jsonMPs);
    // collect data
    int measuresCount = score.getMeasuresCount();
    ArrayList<System> systems = new ArrayList<>();
    ArrayList<Measure> measures = new ArrayList<>();
    for (int i = 0; i < measuresCount; i++) {
        measures.add(new Measure());
    }
    int systemCount = 0;
    Layout layout = doc.getLayout();
    for (int iPage : range(layout.getPages())) {
        Page page = layout.getPages().get(iPage);
        Size2f pageSize = page.getFormat().getSize();
        for (Frame frame : page.getFrames()) {
            if (frame instanceof ScoreFrame) {
                Point2f absPos = frame.getAbsolutePosition();
                float offsetX = absPos.x - frame.getSize().width / 2;
                float offsetY = absPos.y - frame.getSize().height / 2;
                ScoreFrameLayout sfl = ((ScoreFrame) frame).getScoreFrameLayout();
                for (SystemSpacing systemSpacing : sfl.getFrameSpacing().getSystems()) {
                    // read system data
                    int systemIndex = systemCount + systemSpacing.getSystemIndexInFrame();
                    while (systems.size() - 1 < systemIndex) systems.add(new System());
                    System system = systems.get(systemIndex);
                    system.page = iPage;
                    system.top = (offsetY + systemSpacing.offsetYMm) / pageSize.height;
                    system.bottom = (offsetY + systemSpacing.offsetYMm + systemSpacing.getHeightMm()) / pageSize.height;
                    // read measure beats
                    float systemOffsetX = systemSpacing.marginLeftMm;
                    for (int iMeasure : systemSpacing.getMeasures()) {
                        Measure measure = measures.get(iMeasure);
                        measure.system = systemIndex;
                        measure.left = (offsetX + systemOffsetX + systemSpacing.getMeasureStartMm(iMeasure)) / pageSize.width;
                        measure.right = (offsetX + systemOffsetX + systemSpacing.getMeasureEndMm(iMeasure)) / pageSize.width;
                        for (BeatOffset bo : systemSpacing.getColumn(iMeasure).getBeatOffsets()) {
                            measure.beats.put(bo.getBeat(), (offsetX + systemOffsetX + bo.getOffsetMm()) / pageSize.width);
                        }
                    }
                }
                systemCount += sfl.getFrameSpacing().getSystems().size();
            }
        }
    }
    // save systems
    JsonArray jsonSystems = new JsonArray();
    for (int i = 0; i < systems.size(); i++) {
        System system = systems.get(i);
        JsonObject jsonSystem = new JsonObject();
        jsonSystem.addProperty("number", i);
        jsonSystem.addProperty("page", system.page);
        jsonSystem.addProperty("top", system.top);
        jsonSystem.addProperty("bottom", system.bottom);
        jsonSystems.add(jsonSystem);
    }
    ret.add("systems", jsonSystems);
    // save measures
    JsonArray jsonMeasures = new JsonArray();
    for (int i = 0; i < measuresCount; i++) {
        Measure measure = measures.get(i);
        JsonObject jsonMeasure = new JsonObject();
        jsonMeasure.addProperty("number", i);
        jsonMeasure.addProperty("system", measure.system);
        jsonMeasure.addProperty("left", measure.left);
        jsonMeasure.addProperty("right", measure.right);
        // beats
        JsonArray jsonBeats = new JsonArray();
        ArrayList<Fraction> sortedBeats = new ArrayList<>(measure.beats.keySet());
        Collections.sort(sortedBeats);
        for (Fraction beat : sortedBeats) {
            JsonObject jsonBeat = new JsonObject();
            jsonBeat.addProperty("at", "" + beat);
            jsonBeat.addProperty("x", measure.beats.get(beat));
            jsonBeats.add(jsonBeat);
        }
        jsonMeasure.add("beats", jsonBeats);
        jsonMeasures.add(jsonMeasure);
    }
    ret.add("measures", jsonMeasures);
    // save time cursors
    JsonArray jsonTCs = new JsonArray();
    for (int iRep : range(timeMap.getRepetitionsCount())) {
        for (val time : timeMap.getTimesSorted(iRep)) {
            val midiTime = timeMap.getByRepTime(iRep, time);
            JsonObject jsonTC = new JsonObject();
            jsonTC.addProperty("time", midiTime.ms);
            Measure measure = measures.get(time.measure);
            System system = systems.get(measure.system);
            jsonTC.addProperty("page", system.page);
            jsonTC.addProperty("top", system.top);
            jsonTC.addProperty("left", measure.beats.get(time.beat));
            jsonTC.addProperty("bottom", system.bottom);
            jsonTCs.add(jsonTC);
        }
    }
    ret.add("timecursors", jsonTCs);
    return ret;
}

Example 13 with Page

use of com.xenoage.zong.layout.Page in project Zong by Xenoage.

the class ScoreDocFactory method read.

/**
 * Creates a {@link ScoreDoc} instance from the given score.
 * TIDY: move elsewhere, e.g. in a ScoreDocFactory class
 */
public ScoreDoc read(Score score) throws InvalidFormatException, IOException {
    // page format
    LayoutFormat layoutFormat = Companion.getDefaultLayoutFormat();
    Object oLayoutFormat = score.getMetaData().get("layoutformat");
    if (oLayoutFormat instanceof LayoutFormat) {
        layoutFormat = (LayoutFormat) oLayoutFormat;
    }
    LayoutDefaults layoutDefaults = new LayoutDefaults(layoutFormat);
    // create the document
    ScoreDoc ret = new ScoreDoc(score, layoutDefaults);
    Layout layout = ret.getLayout();
    // layout basics
    PageFormat pageFormat = layoutFormat.getPageFormat(0);
    Size2f frameSize = new Size2f(pageFormat.getUseableWidth(), pageFormat.getUseableHeight());
    Point2f framePos = new Point2f(pageFormat.getMargins().getLeft() + frameSize.width / 2, pageFormat.getMargins().getTop() + frameSize.height / 2);
    // layout the score to find out the needed space
    Target target = Target.completeLayoutTarget(new ScoreLayoutArea(frameSize));
    ScoreLayouter layouter = new ScoreLayouter(ret, target);
    ScoreLayout scoreLayout = isErrorLayoutEnabled ? layouter.createScoreLayout() : layouter.createLayoutWithExceptions();
    // create and fill at least one page
    if (scoreLayout.frames.size() > 0) {
        // normal layout: one frame per page
        ScoreFrameChain chain = null;
        for (int i = 0; i < scoreLayout.frames.size(); i++) {
            Page page = new Page(pageFormat);
            layout.addPage(page);
            ScoreFrame frame = new ScoreFrame();
            frame.setPosition(framePos);
            frame.setSize(frameSize);
            // TEST frame = frame.withHFill(NoHorizontalSystemFillingStrategy.getInstance());
            page.addFrame(frame);
            if (chain == null) {
                chain = new ScoreFrameChain(score);
                chain.setScoreLayout(scoreLayout);
            }
            chain.add(frame);
        }
    } else {
        // no frames: create a single empty page
        Page page = new Page(pageFormat);
        layout.addPage(page);
    }
    return ret;
}

Example 14 with Page

use of com.xenoage.zong.layout.Page in project Zong by Xenoage.

the class AndroidLayoutRenderer method paint.

/**
 * Paints the given page of the given {@link Layout} on the given {@link AndroidCanvas}
 * with no offset and the given scaling.
 */
public void paint(Layout layout, int pageIndex, AndroidCanvas canvas, float scaling) {
    Page page = layout.getPages().get(pageIndex);
    LayoutRenderer.paintToCanvas(layout, pageIndex, scaling, origin, canvas);
}