Function ensurePageRendered

PDFViewerPlugin.js:142–166

(page)

    }

    function ensurePageRendered(page) {
        var domPage, textLayer, canvas;

        if (getRenderingStatus(page) === RENDERING.BLANK) {
            setRenderingStatus(page, RENDERING.RUNNING);

            domPage = getDomPage(page);
            textLayer = getPageText(page);
            canvas = domPage.getElementsByTagName('canvas')[0];

            page.render({
                canvasContext: canvas.getContext('2d'),
                textLayer: textLayer,
                viewport: page.getViewport(scale)
            }).promise.then(function () {
                if (getRenderingStatus(page) === RENDERING.RUNNINGOUTDATED) {
                    // restart
                    setRenderingStatus(page, RENDERING.BLANK);
                    ensurePageRendered(page);
                } else {
                    setRenderingStatus(page, RENDERING.FINISHED);
                }
            });
        }
    }

    function completeLoading() {
        var allPagesVisible = !self.isSlideshow();