Function refixTooltipPosition

src/component/tooltip/TooltipView.ts:1117–1148

(
    x: number, y: number,
    content: TooltipHTMLContent | TooltipRichContent,
    viewWidth: number, viewHeight: number,
    gapH: number, gapV: number
)

}

function refixTooltipPosition(
    x: number, y: number,
    content: TooltipHTMLContent | TooltipRichContent,
    viewWidth: number, viewHeight: number,
    gapH: number, gapV: number
) {
    const size = content.getSize();
    const width = size[0];
    const height = size[1];

    if (gapH != null) {
        // Add extra 2 pixels for this case:
        // At present the "values" in default tooltip are using CSS `float: right`.
        // When the right edge of the tooltip box is on the right side of the
        // viewport, the `float` layout might push the "values" to the second line.
        if (x + width + gapH + 2 > viewWidth) {
            x -= width + gapH;
        }
        else {
            x += gapH;
        }
    }
    if (gapV != null) {
        if (y + height + gapV > viewHeight) {
            y -= height + gapV;
        }
        else {
            y += gapV;
        }
    }
    return [x, y];
}

function confineTooltipPosition(
    x: number, y: number,