Port from CRT to Vite

vite/src/pipedal/WindowScale.tsx

@@ -0,0 +1,64 @@
+import {isAndroidHosted} from './AndroidHost';
+
+
+var validScales = [1.0,1.10,1.25,1.35,1.50,1.75,2.0,2.5];
+
+export function canScaleWindow(): boolean {
+    return false;
+    // return getValidWindowScales().length > 1;
+}
+
+export function getValidWindowScales(): number[]
+{
+    if (isAndroidHosted())
+    {
+        return [1.0];
+    }
+    let result: number[] = [];
+    let minDimension = Math.min(window.innerHeight,window.innerWidth);
+
+    for (let validScale of validScales)
+    {
+        if (minDimension/validScale > 400)
+        {
+            result.push(validScale);
+        }
+    }
+    return result;
+}
+
+export function setWindowScale(scale: number): void {
+    localStorage.setItem("pipedalWindowScale", scale.toString());
+}
+export function getWindowScale(): number {
+    const strvalue = localStorage.getItem("pipedalWindowScale");
+    return strvalue ? parseFloat(strvalue) : 1.0;
+}
+
+export function getWindowScaleText(scale?: number)
+{
+    let value: number;
+    if (scale)
+    {
+        value = scale;
+    } else {
+        value = getWindowScale();
+    }
+    let iValue = Math.round(value*100);
+    return iValue.toString() + "%";
+}
+
+var gOptions: {key: number, text: string}[] = [];
+export function getWindowScaleOptions() {
+    if (gOptions.length !== 0)
+    {
+        return gOptions;
+    }
+    let result: {key: number, text: string}[] = [];
+    for (let value of getValidWindowScales())
+    {
+        result.push({key: value, text: getWindowScaleText(value)});
+    }
+    gOptions = result;
+    return result
+}