Create app.js

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numerist 2021-05-10 21:55:00 -04:00 committed by GitHub
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apps/doztime/app.js Normal file
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// Positioning values for graphics buffers
const g_height = 80; // total graphics height
const g_x_off = 16; // position from left
const g_y_off = (240 - g_height)/2; // vertical center for graphics region
const g_width = 240 - 2 * g_x_off; // total graphics width
const g_height_d = 32; // height of date region
const g_y_off_d = 0; // y position of date region within graphics region
const spacing = 0; // space between date and time in graphics region
const g_y_off_t = g_y_off_d + g_height_d + spacing; // y position of time within graphics region
const g_height_t = 48; // height of time region
// Other vars
const A1 = [30,30,30,30,31,31,31,31,31,31,30,30];
const B1 = [30,30,30,30,30,31,31,31,31,31,30,30];
const B2 = [30,30,30,30,31,31,31,31,31,30,30,30];
const timeColour = "#f2f2f2";
const dateColours = ["#ff0000","#ffa500","#ffff00","#00b800","#0000ff","#ff00ff","#ff0080"];
const calen10 = {"size":32,"pt0":[32-g_x_off,16],"step":[20,0],"dx":-4.5,"dy":-4.5}; // positioning for usual calendar line
const calen7 = {"size":32,"pt0":[62-g_x_off,16],"step":[20,0],"dx":-4.5,"dy":-4.5}; // positioning for S-day calendar line
const time5 = {"size":48,"pt0":[64-g_x_off,24],"step":[30,0],"dx":-6.5,"dy":-6.5}; // positioning for lull time line
const time6 = {"size":48,"pt0":[48-g_x_off,24],"step":[30,0],"dx":-6.5,"dy":-6.5}; // positioning for twinkling time line
const baseYear = 11584;
const baseDate = Date(2020,11,21); // month values run from 0 to 11
let accum = new Date(baseDate.getTime());
let sequence = [];
let timeActiveUntil;
let addTimeDigit = false;
let dateFormat = false;
let lastX = 999999999;
let res = {};
//var last_time_log = 0;
// Date and time graphics buffers
var dateColour = "#ffffff"; // override later
var g_d = Graphics.createArrayBuffer(g_width,g_height_d,1,{'msb':true});
var g_t = Graphics.createArrayBuffer(g_width,g_height_t,1,{'msb':true});
// Set screen mode and function to write graphics buffers
Bangle.setLCDMode();
g.clear(); // start with blank screen
g.flip = function()
{
g.setColor(dateColour);
g.drawImage(
{
width:g_width,
height:g_height_d,
buffer:g_d.buffer
}, g_x_off, g_y_off + g_y_off_d);
g.setColor(timeColour);
g.drawImage(
{
width:g_width,
height:g_height_t,
buffer:g_t.buffer
}, g_x_off, g_y_off + g_y_off_t);
};
setWatch(function(){ modeTime(); }, BTN1, {repeat:true} );
setWatch(function(){ Bangle.showLauncher(); }, BTN2, { repeat: false, edge: "falling" });
setWatch(function(){ modeWeather(); }, BTN3, {repeat:true});
setWatch(function(){ toggleTimeDigits(); }, BTN4, {repeat:true});
setWatch(function(){ toggleDateFormat(); }, BTN5, {repeat:true});
function buildSequence(targ){
for(let i=0;i<targ.length;++i){
sequence.push(new Date(accum.getTime()));
accum.setDate(accum.getDate()+targ[i]);
}
}
buildSequence(B2);
buildSequence(B2);
buildSequence(A1);
buildSequence(B1);
buildSequence(B2);
buildSequence(B2);
buildSequence(A1);
buildSequence(B1);
buildSequence(B2);
buildSequence(B2);
buildSequence(A1);
buildSequence(B1);
buildSequence(B2);
function getDate(dt){
let index = sequence.findIndex(n => n > dt)-1;
let year = baseYear+parseInt(index/12);
let month = index % 12;
let day = parseInt((dt-sequence[index])/86400000);
let colour = dateColours[day % 6];
if(day==30){ colour=dateColours[6]; }
return({"year":year,"month":month,"day":day,"colour":colour});
}
function toggleTimeDigits(){
addTimeDigit = !addTimeDigit;
modeTime();
}
function toggleDateFormat(){
dateFormat = !dateFormat;
modeTime();
}
function formatDate(res,dateFormat){
let yyyy = res.year.toString(12);
calenDef = calen10;
if(!dateFormat){ //ordinal format
let mm = ("0"+(res.month+1).toString(12)).substr(-2);
let dd = ("0"+(res.day+1).toString(12)).substr(-2);
if(res.day==30){
calenDef = calen7;
let m = ((res.month+1).toString(12)).substr(-2);
return(yyyy+"-"+"S"+m); // ordinal format
}
return(yyyy+"-"+mm+"-"+dd);
}
let m = res.month.toString(12); // cardinal format
let w = parseInt(res.day/6);
let d = res.day%6;
//return(yyyy+"-"+res.month+"-"+w+"-"+d);
return(yyyy+"-"+m+"-"+w+"-"+d);
}
function writeDozTime(text,def,colour){
let pts = def.pts;
let x=def.pt0[0];
let y=def.pt0[1];
g_t.clear();
g_t.setFont("Vector",def.size);
g_t.setColor(colour);
for(let i in text){
if(text[i]=="a"){ g_t.setFontAlign(0,0,2); g_t.drawString("2",x+def.dx,y+def.dy); }
else if(text[i]=="b"){ g_t.setFontAlign(0,0,2); g_t.drawString("3",x+def.dx,y+def.dy); }
else{ g_t.setFontAlign(0,0,0); g_t.drawString(text[i],x,y); }
x = x+def.step[0];
y = y+def.step[1];
}
}
function writeDozDate(text,def,colour){
dateColour = colour;
let pts = def.pts;
let x=def.pt0[0];
let y=def.pt0[1];
g_d.clear();
g_d.setFont("Vector",def.size);
g_d.setColor(colour);
for(let i in text){
if(text[i]=="a"){ g_d.setFontAlign(0,0,2); g_d.drawString("2",x+def.dx,y+def.dy); }
else if(text[i]=="b"){ g_d.setFontAlign(0,0,2); g_d.drawString("3",x+def.dx,y+def.dy); }
else{ g_d.setFontAlign(0,0,0); g_d.drawString(text[i],x,y); }
x = x+def.step[0];
y = y+def.step[1];
}
}
// Functions for time mode
function drawTime()
{
let dt = new Date();
let date = "";
let timeDef;
let x = 0;
dt.setDate(dt.getDate());
if(addTimeDigit){
x =
10368*dt.getHours()+172.8*dt.getMinutes()+2.88*dt.getSeconds()+0.00288*(dt.getMilliseconds()+1500);
let msg = "00000"+Math.floor(x).toString(12);
let time = msg.substr(-5,3)+"."+msg.substr(-2);
let wait = 347*(1-(x%1));
timeDef = time6;
} else {
x =
864*dt.getHours()+14.4*dt.getMinutes()+0.24*dt.getSeconds()+0.00024*(dt.getMilliseconds()+1500);
let msg = "0000"+Math.floor(x).toString(12);
let time = msg.substr(-4,3)+"."+msg.substr(-1);
let wait = 4167*(1-(x%1));
timeDef = time5;
}
if(lastX > x){ res = getDate(dt); } // calculate date once at start-up and once when turning over to a new day
date = formatDate(res,dateFormat);
if(dt<timeActiveUntil)
{
// Write to background buffers, then display on screen
writeDozDate(date,calenDef,res.colour);
writeDozTime(time,timeDef,timeColour);
g.flip();
// Ready next interval
setTimeout(drawTime,wait);
}
else
{
// Clear screen
g_d.clear();
g_t.clear();
g.flip();
}
lastX = x;
}
function modeTime()
{
timeActiveUntil = new Date();
timeActiveUntil.setDate(timeActiveUntil.getDate());
timeActiveUntil.setSeconds(timeActiveUntil.getSeconds()+15);
//Bangle.setLCDPower(true);
clearTimeout();
drawTime();
}
// Time-logging function
/*function logTime(label)
{
var d = new Date();
var t = d.getTime();
var diff_test = t - last_time_log;
last_time_log = t;
console.log(label + " at time: " + t + ", since last: " + diff_test);
}*/
// Functions for weather mode - TODO
function drawWeather() {}
function modeWeather() {}
// Start time on twist
Bangle.on('twist', function() {
modeTime();
});