init

jdenticon-js/test/e2e/browser/screenshooter.js

@@ -0,0 +1,45 @@
+const { PNG } = require("pngjs");
+
+async function screenshot(driver) {
+    var dimensions = await driver.executeScript(`return { 
+        scrollWidth: document.body.offsetWidth, 
+        scrollHeight: document.body.offsetHeight, 
+        innerWidth: window.innerWidth || document.documentElement.clientWidth,
+        innerHeight: window.innerHeight || document.documentElement.clientHeight
+    }`);
+
+    const combinedImage = new PNG({
+        width: dimensions.scrollWidth,
+        height: dimensions.scrollHeight
+    });
+
+    const xnum = Math.ceil(dimensions.scrollWidth / dimensions.innerWidth);
+    const ynum = Math.ceil(dimensions.scrollHeight / dimensions.innerHeight);
+
+    for (let x = 0; x < xnum; x++) {
+        for (let y = 0; y < ynum; y++) {
+            
+            var scrollpos = await driver.executeScript(`
+                window.scrollTo(${x * dimensions.innerWidth}, ${y * dimensions.innerHeight});
+                return { x: window.scrollX || window.pageXOffset, y: window.scrollY || window.pageYOffset }`)
+
+            // Delay for Safari
+            await driver.sleep(500);
+
+            const datauri = await driver.takeScreenshot();
+            const image = PNG.sync.read(Buffer.from(datauri, "base64"));
+            
+            PNG.bitblt(image, combinedImage,
+                0, 0,
+                Math.min(image.width, combinedImage.width - scrollpos.x), 
+                Math.min(image.height, combinedImage.height - scrollpos.y),
+                scrollpos.x,
+                scrollpos.y);
+
+        }
+    }
+
+    return PNG.sync.write(combinedImage);
+}
+
+module.exports = screenshot;