Function annotationTest

test/jasmine/assets/domain_ref_components.js:230–333

(gd, layout, opt)

// xaxistype can be linear|log, only used if xref has type 'range' or 'domain',
// same for yaxistype and yref
function annotationTest(gd, layout, opt) {
    var x0 = opt.x0;
    var y0 = opt.y0;
    var ax = opt.ax;
    var ay = opt.ay;
    var xref = opt.xref;
    var yref = opt.yref;
    var axref = opt.axref;
    var ayref = opt.ayref;
    var xaxistype = opt.xaxistype;
    var yaxistype = opt.yaxistype;
    var xid = opt.xid;
    var yid = opt.yid;

    // Take the log of values corresponding to log axes.  This is because the
    // test is designed to make predicting the pixel positions easy, and it's
    // easiest when we work with the logarithm of values on log axes (doubling
    // the log value doubles the pixel value, etc.).
    var xreftype = Axes.getRefType(xref);
    var yreftype = Axes.getRefType(yref);
    var axreftype = Axes.getRefType(axref);
    var ayreftype = Axes.getRefType(ayref);
    x0 = xreftype === 'range' && xaxistype === 'log' ? Math.log10(x0) : x0;
    ax = axreftype === 'range' && xaxistype === 'log' ? Math.log10(ax) : ax;
    y0 = yreftype === 'range' && yaxistype === 'log' ? Math.log10(y0) : y0;
    ay = ayreftype === 'range' && yaxistype === 'log' ? Math.log10(ay) : ay;
    // if xref != axref or axref === 'pixel' then ax is a value relative to
    // x0 but in pixels. Same for yref
    var axpixels = false;
    if((axreftype === 'pixel') || (axreftype !== xreftype)) {
        axpixels = true;
    }
    var aypixels = false;
    if((ayreftype === 'pixel') || (ayreftype !== yreftype)) {
        aypixels = true;
    }
    logAxisIfAxType(gd.layout, layout, xid, xaxistype);
    logAxisIfAxType(gd.layout, layout, yid, yaxistype);
    var xpixels;
    var ypixels;
    var opts0 = {
        ax: ax,
        ay: ay,
        axref: axref,
        ayref: ayref,
    };
    var opts1 = {
        ax: axpixels ? 2 * ax : annaxscale(ax, x0),
        ay: aypixels ? 2 * ay : annaxscale(ay, y0),
        axref: axref,
        ayref: ayref,
    };
    // 2 colors so we can extract each annotation individually
    var color0 = 'rgb(10, 20, 30)';
    var color1 = 'rgb(10, 20, 31)';
    var anno0 = aroFromParams('annotation', x0, y0, xref, yref, color0, opts0);
    var anno1 = aroFromParams('annotation', x0, y0, xref, yref, color1, opts1);
    layout.annotations = [anno0, anno1];