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

Example 1 with Page

use of com.xenoage.zong.layout.Page 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 Page

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

the class AndroidLayoutRenderer method paint.

/**
 * Returns a {@link Bitmap} with the given page of the given {@link Layout}
 * which is rendered at the given zoom level.
 */
public Bitmap paint(Layout layout, int pageIndex, float zoom) {
    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);
    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    // TODO: necessary? and really 8888 bitmap?
    canvas.drawARGB(255, 255, 255, 255);
    canvas.scale(zoom, zoom);
    paint(layout, pageIndex, new AndroidCanvas(canvas, pageSize, CanvasFormat.Raster, CanvasDecoration.None, CanvasIntegrity.Perfect), zoom);
    return bitmap;
}

Example 3 with Page

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

the class PdfPrinter method print.

/**
 * Prints the given {@link Layout} into the given PDF output stream.
 */
public static void print(Layout layout, OutputStream out) {
    Document document = new Document();
    PdfWriter writer = null;
    try {
        writer = PdfWriter.getInstance(document, out);
    } catch (Exception e) {
        handle(warning(Voc.ErrorWhilePrinting));
    }
    document.open();
    PdfContentByte cb = writer.getDirectContent();
    It<Page> pages = it(layout.getPages());
    for (Page page : pages) {
        // create PDF page
        Size2f pageSize = page.getFormat().getSize();
        float width = Units.mmToPx(pageSize.width, 1);
        float height = Units.mmToPx(pageSize.height, 1);
        document.newPage();
        PdfTemplate tp = cb.createTemplate(width, height);
        // fill PDF page
        Graphics2D g2d = new PdfGraphics2D(cb, width, height);
        INSTANCE.log(Companion.remark("Printing page " + pages.getIndex() + "..."));
        LayoutRenderer.paintToCanvas(layout, pages.getIndex(), new AwtCanvas(g2d, pageSize, CanvasFormat.Vector, CanvasDecoration.None, CanvasIntegrity.Perfect));
        // finish page
        g2d.dispose();
        cb.addTemplate(tp, 0, 0);
    }
    document.close();
}

Example 4 with Page

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

the class Frame method getCenterLP.

/**
 * Gets the {@link LayoutPos} of the center of the frame.
 * If this frame is not part of a layout, the page index -1 is returned.
 */
public final LayoutPos getCenterLP() {
    Point2f pos = getAbsolutePosition();
    Layout layout = getParentLayout();
    Page page = getParentPage();
    int pageIndex = (page != null ? page.getIndex() : -1);
    return layoutPos(layout, pageIndex, pos);
}

Example 5 with Page

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

the class AwtLayoutRenderer method paintToImage.

/**
 * Returns a {@link BufferedImage} with the given page of the given {@link Layout}
 * which is rendered at the given zoom level.
 */
public static BufferedImage paintToImage(Layout layout, int pageIndex, float zoom) {
    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);
    BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2d = img.createGraphics();
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
    g2d.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    g2d.setColor(Color.WHITE);
    g2d.fillRect(0, 0, width, height);
    LayoutRenderer.paintToCanvas(layout, pageIndex, zoom, origin, new AwtCanvas(g2d, pageSize, CanvasFormat.Raster, CanvasDecoration.Interactive, CanvasIntegrity.Perfect));
    g2d.dispose();
    return img;
}