Examples with Context com.xenoage.zong.musiclayout.layouter.Context used on opensource projects

Example 1 with Context

use of com.xenoage.zong.musiclayout.layouter.Context in project Zong by Xenoage.

the class ScoreDocScoreView method updateScreen.

@Override
public void updateScreen(Size2i screenSizePx, float zoom) {
    this.screenSizePx = screenSizePx;
    this.zoom = zoom;
    // recompute the layout, so that each page fits into the available screen space
    Size2f pageSizeMm = pxToMm(screenSizePx, zoom);
    float marginMm = pxToMm(marginPx, zoom);
    PageFormat pageFormat = new PageFormat(pageSizeMm, new PageMargins(marginMm, marginMm, marginMm, marginMm));
    Size2f frameSizeMm = new Size2f(pageFormat.getUseableWidth(), pageFormat.getUseableHeight());
    // first page needs space for title text
    titleTextHeightPx = screenSizePx.height / 20f;
    float firstFrameOffsetY = pxToMm(titleTextHeightPx, zoom);
    Size2f firstFrameSizeMm = new Size2f(frameSizeMm.width, frameSizeMm.height - firstFrameOffsetY);
    // delete unnecessary layout information, like system distances or system breaks
    Score score = doc.getScore();
    score.setFormat(new ScoreFormat());
    ScoreHeader header = score.getHeader();
    for (int i : range(header.getSystemLayouts())) {
        SystemLayout sl = header.getSystemLayout(i);
        if (sl != null)
            sl.setDistance(SystemLayout.defaultDistance);
    }
    for (int i : range(header.getColumnHeaders())) {
        ColumnHeader ch = header.getColumnHeader(i);
        if (ch.getMeasureBreak() != null)
            ch.setBreak(null);
    }
    // layout the score to find out the needed space
    Context context = new Context(score, App.getSymbolPool(), doc.getLayout().getDefaults().getLayoutSettings());
    Target target = new Target(alist(new ScoreLayoutArea(firstFrameSizeMm)), new ScoreLayoutArea(frameSizeMm), true);
    ScoreLayouter layouter = new ScoreLayouter(context, target);
    ScoreLayout scoreLayout = layouter.createScoreLayout();
    // create and fill at least one page
    Layout layout = new Layout(doc.getLayout().getDefaults());
    ScoreFrameChain chain = null;
    for (int i = 0; i < scoreLayout.frames.size(); i++) {
        Page page = new Page(pageFormat);
        Point2f position;
        Size2f size;
        if (i == 0) {
            // first page
            position = new Point2f(pageSizeMm.width / 2, pageSizeMm.height / 2 + firstFrameOffsetY);
            size = firstFrameSizeMm;
        } else {
            // other pages
            position = new Point2f(pageSizeMm.width / 2, pageSizeMm.height / 2);
            size = frameSizeMm;
        }
        ScoreFrame frame = new ScoreFrame();
        frame.setPosition(position);
        frame.setSize(size);
        page.addFrame(frame);
        layout.addPage(page);
        if (chain == null) {
            chain = new ScoreFrameChain(score);
            chain.setScoreLayout(scoreLayout);
        }
        chain.add(frame);
    }
    this.layout = layout;
}

Example 2 with Context

use of com.xenoage.zong.musiclayout.layouter.Context in project Zong by Xenoage.

the class Layout method updateScoreLayouts.

/**
 * Updates the {@link ScoreLayout}s belonging to the given {@link Score}.
 */
public void updateScoreLayouts(Score score) {
    ScoreFrameChain chain = getScoreFrameChain(score);
    if (chain == null)
        return;
    ScoreLayout oldScoreLayout = chain.getScoreLayout();
    // select symbol pool and layout settings
    SymbolPool symbolPool = oldScoreLayout != null ? oldScoreLayout.symbolPool : defaults.getSymbolPool();
    LayoutSettings layoutSettings = oldScoreLayout != null ? oldScoreLayout.layoutSettings : defaults.getLayoutSettings();
    CList<ScoreLayoutArea> areas = clist();
    for (ScoreFrame scoreFrame : chain.getFrames()) {
        areas.add(new ScoreLayoutArea(scoreFrame.getSize(), scoreFrame.getHFill(), scoreFrame.getVFill()));
    }
    areas.close();
    Context context = new Context(score, symbolPool, layoutSettings);
    Target target = new Target(areas, areas.get(areas.size() - 1), false);
    ScoreLayout scoreLayout = new ScoreLayouter(context, target).createScoreLayout();
    // set updated layout
    chain.setScoreLayout(scoreLayout);
}

Example 3 with Context

use of com.xenoage.zong.musiclayout.layouter.Context in project Zong by Xenoage.

the class WebApp method openFile.

private void openFile(String filePath) {
    // show loading, hide score
    if (loadingPanel != null)
        loadingPanel.getStyle().setDisplay(BLOCK);
    canvas.setVisible(false);
    // load score
    platformUtils().openFileAsync(filePath).thenAsync(scoreStream -> new MusicXmlScoreDocFileReader(scoreStream, null).read()).thenAsync(scoreDoc -> {
        WebApp.this.scoreDoc = scoreDoc;
        return platformUtils().openFileAsync("data/layout/default.xml");
    }).thenDo(testXmlStream -> {
        LayoutSettings layoutSettings;
        try {
            layoutSettings = LayoutSettingsReader.read(testXmlStream);
        } catch (IOException ex) {
            throw new RuntimeException(ex);
        }
        Size2f areaSize = new Size2f(150, 10000);
        SymbolPool symbolPool = zongPlatformUtils().getSymbolPool();
        Context context = new Context(scoreDoc.getScore(), symbolPool, layoutSettings);
        Target target = Target.completeLayoutTarget(new ScoreLayoutArea(areaSize));
        paintLayout();
        // show score, hide loading
        canvas.setVisible(true);
        if (loadingPanel != null)
            loadingPanel.getStyle().setDisplay(NONE);
    }).onError(ex -> consoleLog("Error: " + ex.toString()));
}