Port from CRT to Vite
This commit is contained in:
Robin E. R. Davies
@@ -0,0 +1,519 @@
|
||||
// Copyright (c) 2022 Robin Davies
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a copy of
|
||||
// this software and associated documentation files (the "Software"), to deal in
|
||||
// the Software without restriction, including without limitation the rights to
|
||||
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
||||
// the Software, and to permit persons to whom the Software is furnished to do so,
|
||||
// subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in all
|
||||
// copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
||||
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
||||
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
|
||||
import React, { Component } from 'react';
|
||||
import { Theme } from '@mui/material/styles';
|
||||
import WithStyles, {withTheme} from './WithStyles';
|
||||
import { withStyles } from "tss-react/mui";
|
||||
import { css } from '@emotion/react';
|
||||
|
||||
import { PiPedalModel, State,PiPedalModelFactory, VuUpdateInfo, VuSubscriptionHandle } from './PiPedalModel';
|
||||
|
||||
|
||||
const DISPLAY_HEIGHT = 110;
|
||||
const BORDER_THICKNESS = 2;
|
||||
const TELLTALE_HEIGHT = 4;
|
||||
const CHANNEL_WIDTH = 4;
|
||||
const TELLTALE_HOLD_MS = 2000;
|
||||
const TELLTALE_DECAY_RATE = -20 / 1000.0; // -20db in one second.
|
||||
|
||||
|
||||
const INTERIOR_DISPLAY_HEIGHT = DISPLAY_HEIGHT - BORDER_THICKNESS * 2;
|
||||
|
||||
|
||||
const MIN_DB = -35;
|
||||
const MAX_DB = 6;
|
||||
const DB_YELLOW = -12;
|
||||
|
||||
|
||||
|
||||
interface VuChannelData {
|
||||
value: number;
|
||||
redDiv: HTMLDivElement;
|
||||
yellowDiv: HTMLDivElement;
|
||||
greenDiv: HTMLDivElement;
|
||||
telltaleDiv: HTMLDivElement;
|
||||
|
||||
}
|
||||
|
||||
class TelltaleState {
|
||||
telltaleDb: number = MIN_DB;
|
||||
lastTelltaleTime: number = 0;
|
||||
telltaleHoldTime: number = 0;
|
||||
telltaleHoldValue: number = MIN_DB;
|
||||
|
||||
reset() : void {
|
||||
this.telltaleHoldTime = 0;
|
||||
this.lastTelltaleTime = 0;
|
||||
this.telltaleDb = MIN_DB;
|
||||
this.telltaleHoldValue = MIN_DB;
|
||||
}
|
||||
getTelltaleHoldValue(currentDb: number): number {
|
||||
let t = new Date().getTime();
|
||||
|
||||
let holdValue: number;
|
||||
if (t < this.telltaleHoldTime) {
|
||||
holdValue = this.telltaleDb;
|
||||
} else {
|
||||
if (this.telltaleHoldTime === 0) {
|
||||
holdValue = MIN_DB;
|
||||
} else {
|
||||
holdValue = this.telltaleDb + (t - this.telltaleHoldTime) * TELLTALE_DECAY_RATE;
|
||||
if (holdValue < MIN_DB) {
|
||||
this.telltaleDb = holdValue = MIN_DB;
|
||||
this.telltaleHoldTime = t + 100 * 1000; // wait for a long time.
|
||||
}
|
||||
}
|
||||
}
|
||||
this.telltaleHoldValue = holdValue;
|
||||
|
||||
if (currentDb > holdValue) {
|
||||
this.telltaleDb = currentDb;
|
||||
this.telltaleHoldTime = t + TELLTALE_HOLD_MS;
|
||||
return currentDb;
|
||||
} else {
|
||||
return holdValue;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
const LEFT_X = BORDER_THICKNESS;
|
||||
const RIGHT_X = BORDER_THICKNESS + + CHANNEL_WIDTH + BORDER_THICKNESS;
|
||||
|
||||
const styles = (theme: Theme) => ({
|
||||
frame: css({
|
||||
position: "relative",
|
||||
width: CHANNEL_WIDTH + 2*BORDER_THICKNESS,
|
||||
borderTop: BORDER_THICKNESS + "px black solid",
|
||||
borderBottom: BORDER_THICKNESS + "px black solid",
|
||||
height: DISPLAY_HEIGHT,
|
||||
background: "black",
|
||||
overflow: "hidden",
|
||||
marginLeft: (CHANNEL_WIDTH+BORDER_THICKNESS)/2,
|
||||
marginRight: (CHANNEL_WIDTH+BORDER_THICKNESS)/2
|
||||
}),
|
||||
frameStereo: css({
|
||||
position: "relative",
|
||||
width: 2*CHANNEL_WIDTH + 3*BORDER_THICKNESS,
|
||||
borderTop: BORDER_THICKNESS + "px black solid",
|
||||
borderBottom: BORDER_THICKNESS + "px black solid",
|
||||
height: DISPLAY_HEIGHT,
|
||||
background: "black",
|
||||
overflow: "hidden",
|
||||
}),
|
||||
monoTextFrame: css({
|
||||
display: "flex",flexFlow: "column nowrap", alignItems: "center", textAlign: "center"
|
||||
}),
|
||||
stereoTextFrame: css({
|
||||
display: "flex",flexFlow: "column nowrap", alignItems: "center", textAlign: "center"
|
||||
}),
|
||||
vuTextFrame: css({
|
||||
color: theme.palette.text.secondary,
|
||||
display: "table-cell",
|
||||
position: "relative",
|
||||
marginTop: 4,
|
||||
textAlign: "center",
|
||||
width: 20, height: 16,
|
||||
fontSize: "11px",
|
||||
justifyContent: "center",
|
||||
alignItems: "center"
|
||||
}),
|
||||
redFrameL: css({
|
||||
position: "absolute",
|
||||
top: "100%",
|
||||
left: LEFT_X,
|
||||
width: CHANNEL_WIDTH,
|
||||
height: DISPLAY_HEIGHT - 2,
|
||||
background: "#F00"
|
||||
}),
|
||||
yellowFrameL: css({
|
||||
top: "100%",
|
||||
left: LEFT_X,
|
||||
width: CHANNEL_WIDTH,
|
||||
position: "absolute",
|
||||
height: DISPLAY_HEIGHT - 2,
|
||||
background: "#CC0"
|
||||
}),
|
||||
greenFrameL: css({
|
||||
top: "100%",
|
||||
left: LEFT_X,
|
||||
width: CHANNEL_WIDTH,
|
||||
position: "absolute",
|
||||
height: DISPLAY_HEIGHT - 2,
|
||||
background: "#0C2"
|
||||
}),
|
||||
indicatorL: css({
|
||||
position: "absolute",
|
||||
left: LEFT_X,
|
||||
width: CHANNEL_WIDTH,
|
||||
height: TELLTALE_HEIGHT + "px",
|
||||
top: "100%",
|
||||
background: "#F00"
|
||||
|
||||
}),
|
||||
redFrameR: css({
|
||||
position: "absolute",
|
||||
top: "100%",
|
||||
left: RIGHT_X,
|
||||
width: CHANNEL_WIDTH,
|
||||
height: DISPLAY_HEIGHT - 2,
|
||||
background: "#F00"
|
||||
}),
|
||||
yellowFrameR: css({
|
||||
top: "100%",
|
||||
left: RIGHT_X,
|
||||
width: CHANNEL_WIDTH,
|
||||
position: "absolute",
|
||||
height: DISPLAY_HEIGHT - 2,
|
||||
background: "#CC0"
|
||||
}),
|
||||
greenFrameR: css({
|
||||
top: "100%",
|
||||
left: RIGHT_X,
|
||||
width: CHANNEL_WIDTH,
|
||||
position: "absolute",
|
||||
height: DISPLAY_HEIGHT - 2,
|
||||
background: "#0C2"
|
||||
}),
|
||||
indicatorR: css({
|
||||
position: "absolute",
|
||||
left: RIGHT_X,
|
||||
width: CHANNEL_WIDTH,
|
||||
height: TELLTALE_HEIGHT + "px",
|
||||
top: "100%",
|
||||
background: "#F00"
|
||||
|
||||
})
|
||||
|
||||
});
|
||||
|
||||
|
||||
|
||||
interface VuMeterProps extends WithStyles<typeof styles> {
|
||||
instanceId: number;
|
||||
display: "input" | "output";
|
||||
theme: Theme;
|
||||
displayText?: boolean;
|
||||
}
|
||||
|
||||
interface VuMeterState {
|
||||
isStereo: boolean;
|
||||
}
|
||||
|
||||
function aToDb(value: number): number {
|
||||
if (value === 0) return -96;
|
||||
return Math.log10(Math.abs(value)) * 20;
|
||||
}
|
||||
|
||||
function dbToY(db: number): number {
|
||||
if (db < MIN_DB) db = MIN_DB;
|
||||
if (db > MAX_DB) db = MAX_DB;
|
||||
|
||||
let y = INTERIOR_DISPLAY_HEIGHT - (db - MIN_DB) / (MAX_DB - MIN_DB) * INTERIOR_DISPLAY_HEIGHT;;
|
||||
return y;
|
||||
}
|
||||
|
||||
export const VuMeter =
|
||||
withTheme(withStyles(
|
||||
class extends Component<VuMeterProps, VuMeterState>
|
||||
{
|
||||
divRef: React.RefObject<HTMLDivElement|null> = React.createRef();
|
||||
textRef: React.RefObject<HTMLDivElement|null> = React.createRef();
|
||||
model: PiPedalModel;
|
||||
|
||||
yZero: number;
|
||||
yYellow: number;
|
||||
|
||||
constructor(props: VuMeterProps) {
|
||||
super(props);
|
||||
this.state = {
|
||||
isStereo: false
|
||||
};
|
||||
this.model = PiPedalModelFactory.getInstance();
|
||||
|
||||
this.yZero = dbToY(0);
|
||||
this.yYellow = dbToY(DB_YELLOW);
|
||||
|
||||
this.onVuChanged = this.onVuChanged.bind(this);
|
||||
this.onStateChanged = this.onStateChanged.bind(this);
|
||||
|
||||
}
|
||||
|
||||
|
||||
telltaleStateL: TelltaleState = new TelltaleState();
|
||||
telltaleStateR: TelltaleState = new TelltaleState();
|
||||
|
||||
vuInfo?: VuUpdateInfo;
|
||||
requesttedStereoState: boolean = false;
|
||||
|
||||
updateText(telltaleDb: number)
|
||||
{
|
||||
if (this.textRef.current) {
|
||||
let displayValue: string;
|
||||
if (telltaleDb <= MIN_DB)
|
||||
{
|
||||
displayValue = "-";
|
||||
} else {
|
||||
let iDb = Math.round(telltaleDb);
|
||||
if (iDb > 0)
|
||||
{
|
||||
displayValue = "+" + Math.round(telltaleDb).toString() + "\u00A0"
|
||||
} else if (iDb < 0) {
|
||||
displayValue = Math.round(telltaleDb).toString() + "\u00A0";
|
||||
} else {
|
||||
if (telltaleDb === 0) {
|
||||
displayValue = "0";
|
||||
} else if (telltaleDb > 0)
|
||||
{
|
||||
displayValue = "+0\u00A0";
|
||||
} else {
|
||||
displayValue = "-0\u00A0";
|
||||
}
|
||||
}
|
||||
}
|
||||
this.textRef.current.innerText = displayValue;
|
||||
}
|
||||
}
|
||||
|
||||
onVuChanged(vuInfo: VuUpdateInfo): void {
|
||||
let value: number;
|
||||
let valueR: number;
|
||||
|
||||
this.vuInfo = vuInfo;
|
||||
|
||||
|
||||
let isStereo: boolean;
|
||||
|
||||
if (this.props.display === "input") {
|
||||
value = vuInfo.inputMaxValueL;
|
||||
valueR = vuInfo.inputMaxValueR;
|
||||
isStereo = vuInfo.isStereoInput;
|
||||
} else {
|
||||
isStereo = vuInfo.isStereoOutput;
|
||||
value = vuInfo.outputMaxValueL;
|
||||
valueR = vuInfo.outputMaxValueR;
|
||||
}
|
||||
if (this.state.isStereo !== isStereo)
|
||||
{
|
||||
if (isStereo !== this.requesttedStereoState) // guard against overrunning the layout engine.
|
||||
{
|
||||
this.requesttedStereoState = isStereo;
|
||||
|
||||
this.setState({
|
||||
isStereo: isStereo
|
||||
});
|
||||
return; // we can't procede without stereo layout.
|
||||
}
|
||||
}
|
||||
|
||||
let childNodes = this.divRef.current!.childNodes;
|
||||
|
||||
let vuData: VuChannelData = {
|
||||
value: value,
|
||||
redDiv: childNodes[0] as HTMLDivElement,
|
||||
yellowDiv: childNodes[1] as HTMLDivElement,
|
||||
greenDiv: childNodes[2] as HTMLDivElement,
|
||||
telltaleDiv: childNodes[3] as HTMLDivElement
|
||||
};
|
||||
this.updateChannel(vuData,this.telltaleStateL);
|
||||
if (this.state.isStereo) {
|
||||
vuData = {
|
||||
value: valueR,
|
||||
redDiv: childNodes[4] as HTMLDivElement,
|
||||
yellowDiv: childNodes[5] as HTMLDivElement,
|
||||
greenDiv: childNodes[6] as HTMLDivElement,
|
||||
telltaleDiv: childNodes[7] as HTMLDivElement
|
||||
};
|
||||
this.updateChannel(vuData, this.telltaleStateR);
|
||||
}
|
||||
if (this.props.displayText)
|
||||
{
|
||||
if (this.state.isStereo)
|
||||
{
|
||||
this.updateText(Math.max(this.telltaleStateL.telltaleHoldValue,this.telltaleStateR.telltaleHoldValue));
|
||||
} else {
|
||||
this.updateText(this.telltaleStateL.telltaleHoldValue);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
resetTelltales() {
|
||||
this.telltaleStateL.reset();
|
||||
this.telltaleStateR.reset();
|
||||
}
|
||||
updateChannel(vuData: VuChannelData, telltaleState: TelltaleState) {
|
||||
let db = aToDb(vuData.value);
|
||||
if (db > MAX_DB) db = MAX_DB;
|
||||
if (db < MIN_DB) db = MIN_DB;
|
||||
|
||||
let y = dbToY(db);
|
||||
let INVISIBLE_Y = INTERIOR_DISPLAY_HEIGHT + "px";
|
||||
if (y >= this.yYellow) {
|
||||
// green only.
|
||||
vuData.greenDiv.style.top = y + "px";
|
||||
vuData.yellowDiv.style.top = INVISIBLE_Y;
|
||||
vuData.redDiv.style.top = INVISIBLE_Y;
|
||||
} else {
|
||||
vuData.greenDiv.style.top = this.yYellow + "px";
|
||||
if (y >= this.yZero) {
|
||||
vuData.yellowDiv.style.top = y + "px";
|
||||
vuData.redDiv.style.top = INVISIBLE_Y;
|
||||
} else {
|
||||
vuData.yellowDiv.style.top = this.yZero + "px";
|
||||
vuData.redDiv.style.top = y + "px";
|
||||
}
|
||||
}
|
||||
let dbTelltale = telltaleState.getTelltaleHoldValue(db);
|
||||
let yTelltale = dbToY(dbTelltale);
|
||||
|
||||
if (yTelltale < this.yZero) {
|
||||
vuData.telltaleDiv.style.background = "#F00";
|
||||
} else if (yTelltale < this.yYellow) {
|
||||
vuData.telltaleDiv.style.background = "#CC0";
|
||||
} else {
|
||||
vuData.telltaleDiv.style.background = "#0F2";
|
||||
}
|
||||
if (yTelltale > INTERIOR_DISPLAY_HEIGHT - TELLTALE_HEIGHT) {
|
||||
// non-zero and zero are different displays.
|
||||
// zero: nothing.. tiny: show the telltale.
|
||||
if (vuData.value !== 0) {
|
||||
yTelltale = INTERIOR_DISPLAY_HEIGHT - TELLTALE_HEIGHT;
|
||||
} else {
|
||||
yTelltale = INTERIOR_DISPLAY_HEIGHT;
|
||||
}
|
||||
}
|
||||
vuData.telltaleDiv.style.top = yTelltale + "px";
|
||||
|
||||
|
||||
}
|
||||
subscriptionHandle?: VuSubscriptionHandle;
|
||||
|
||||
subscribedInstanceId?: number;
|
||||
|
||||
addVuSubscription() {
|
||||
this.removeVuSubscription();
|
||||
|
||||
if (this.model.state.get() === State.Ready)
|
||||
{
|
||||
if (this.props.instanceId !== -1) {
|
||||
this.subscribedInstanceId = this.props.instanceId;
|
||||
this.subscriptionHandle = this.model.addVuSubscription(this.props.instanceId, this.onVuChanged);
|
||||
this.resetTelltales();
|
||||
}
|
||||
}
|
||||
}
|
||||
removeVuSubscription() {
|
||||
if (this.subscriptionHandle) {
|
||||
this.model.removeVuSubscription(this.subscriptionHandle);
|
||||
this.subscriptionHandle = undefined;
|
||||
this.subscribedInstanceId = undefined;
|
||||
}
|
||||
}
|
||||
|
||||
componentDidUpdate()
|
||||
{
|
||||
if (this.subscribedInstanceId)
|
||||
{
|
||||
if (this.props.instanceId !== this.subscribedInstanceId)
|
||||
{
|
||||
this.removeVuSubscription();
|
||||
this.addVuSubscription();
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
render() {
|
||||
let displayText = this.props.displayText??false;
|
||||
const classes = withStyles.getClasses(this.props);
|
||||
if (displayText)
|
||||
{
|
||||
return (
|
||||
<div className={this.state.isStereo? classes.stereoTextFrame: classes.monoTextFrame}>
|
||||
{
|
||||
this.renderVus()
|
||||
}
|
||||
<div ref={this.textRef} className={classes.vuTextFrame}
|
||||
/>
|
||||
</div>
|
||||
);
|
||||
} else {
|
||||
return this.renderVus();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
renderVus() {
|
||||
|
||||
const classes = withStyles.getClasses(this.props);
|
||||
if (!this.state.isStereo) {
|
||||
return (<div className={classes.frame} ref={this.divRef}
|
||||
>
|
||||
<div className={classes.redFrameL} />
|
||||
<div className={classes.yellowFrameL} />
|
||||
<div className={classes.greenFrameL} />
|
||||
<div className={classes.indicatorL} />
|
||||
</div>);
|
||||
} else {
|
||||
return (<div className={classes.frameStereo} ref={this.divRef}
|
||||
>
|
||||
<div className={classes.redFrameL} />
|
||||
<div className={classes.yellowFrameL} />
|
||||
<div className={classes.greenFrameL} />
|
||||
<div className={classes.indicatorL} />
|
||||
|
||||
<div className={classes.redFrameR} />
|
||||
<div className={classes.yellowFrameR} />
|
||||
<div className={classes.greenFrameR} />
|
||||
<div className={classes.indicatorR} />
|
||||
|
||||
</div>);
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
onStateChanged(state: State) {
|
||||
// initial connection or reconnect
|
||||
if (state === State.Ready)
|
||||
{
|
||||
this.addVuSubscription(); // re-subscribe.
|
||||
} else {
|
||||
this.removeVuSubscription();
|
||||
}
|
||||
}
|
||||
|
||||
componentDidMount() {
|
||||
this.model.state.addOnChangedHandler(this.onStateChanged);
|
||||
|
||||
this.addVuSubscription();
|
||||
}
|
||||
componentWillUnmount() {
|
||||
this.removeVuSubscription();
|
||||
this.model.state.removeOnChangedHandler(this.onStateChanged);
|
||||
}
|
||||
},
|
||||
styles
|
||||
));
|
||||
|
||||
export default VuMeter;
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user