Added analog clock with image background

espruino · Jun 4, 2020 · 50a2df6 · 50a2df6
1 parent f18c9c6
commit 50a2df6
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Showing 6 changed files with 131 additions and 0 deletions.
diff --git a/apps.json b/apps.json
@@ -1826,6 +1826,20 @@
       {"name":"animclk.img","url":"app-icon.js","evaluate":true}
     ]
   },
+  { "id": "analogimgclk",
+    "name": "Analog Clock (Image background)",
+    "shortName":"Analog Clock",
+    "icon": "app.png",
+    "version":"0.01",
+    "description": "An analog clock with an image background",
+    "tags": "clock",
+    "type": "clock",
+    "storage": [
+      {"name":"analogimgclk.app.js","url":"app.js"},
+      {"name":"analogimgclk.bg.img","url":"bg.img"},
+      {"name":"analogimgclk.img","url":"app-icon.js","evaluate":true}
+    ]
+  },
   {
     "id": "verticalface",
     "name": "Vertical watch face",

diff --git a/apps/analogimgclk/ChangeLog b/apps/analogimgclk/ChangeLog
@@ -0,0 +1 @@
+0.01: New App!
diff --git a/apps/analogimgclk/app-icon.js b/apps/analogimgclk/app-icon.js
diff --git a/apps/analogimgclk/app.js b/apps/analogimgclk/app.js
@@ -0,0 +1,115 @@
+var bgimg = require("Storage").read("analogimgclk.bg.img");
+
+function getImg(g, col) {
+  return {
+    width:g.getWidth(),
+    height:g.getHeight(),
+    bpp:1,transparent:0,
+    buffer:g.buffer,
+    palette:new Uint16Array([0,col])};
+}
+
+var handSizeMin = 90;
+var handSizeHr = 60;
+var handSizeSec = 96;
+var gmin = Graphics.createArrayBuffer(12,handSizeMin*2,1,{msb:true});
+var gminimg = getImg(gmin, 0xFFFF);
+var ghr = Graphics.createArrayBuffer(16,handSizeHr*2,1,{msb:true});
+var ghrimg = getImg(ghr, g.setColor("#E0E0E0").getColor());
+var gsec = Graphics.createArrayBuffer(6,handSizeSec*2,1,{msb:true});
+var gsecimg = getImg(gsec, g.setColor("#FF0000").getColor());
+
+// create hand images
+var c = gmin.getHeight()/2;
+var o = 16; // overhang
+gmin.fillCircle(6,6,6);
+gmin.fillCircle(6,c+o,6);
+gmin.fillRect(0,6,11,c+o);
+c = ghr.getHeight()/2;
+ghr.fillCircle(8,8,8);
+ghr.fillCircle(8,c+o,8);
+ghr.fillRect(0,8,15,c+o);
+c = gsec.getHeight()/2;
+gsec.fillCircle(3,3,3);
+gsec.fillCircle(3,c+o,3);
+gsec.fillRect(0,3,5,c+o);
+
+// last positions of hands (in radians)
+var lastrmin=0, lastrhr=0, lastrsec=0;
+
+// draw hands - just the bit of the image that changed
+function drawHands(full) {
+  var d = new Date();
+  var rsec = d.getSeconds()*Math.PI/30;
+  var rmin = d.getMinutes()*Math.PI/30;
+  // hack so hour hand only moves every 10 minutes
+  var rhr = (d.getHours() + Math.round(d.getMinutes()/10)/6)*Math.PI/6;
+  var bounds = {};
+  if (!full) { // work out the bounds of the hands
+    var x1 = (g.getWidth()/2)-10;
+    var y1 = (g.getHeight()/2)-10;
+    var x2 = (g.getWidth()/2)+10;
+    var y2 = (g.getHeight()/2)+10;
+    function addPt(ang, r, ry) {
+      var x = (g.getWidth()/2) + Math.sin(ang)*r + Math.cos(ang)*ry;
+      var y = (g.getHeight()/2) - Math.cos(ang)*r + Math.sin(ang)*ry;
+      //g.setColor("#ff0000").fillRect(x-2,y-2,x+2,y+2);
+      if (x<x1)x1=x;
+      if (y<y1)y1=y;
+      if (x>x2)x2=x;
+      if (y>y2)y2=y;
+    }
+    function addSec(r) {
+      addPt(r,handSizeSec,5);addPt(r,handSizeSec,-5);
+      addPt(r,-(o+8),5);addPt(r,-(o+8),-5);
+    }
+    function addMin(r) {
+      addPt(r,handSizeMin,8);addPt(r,handSizeMin,-8);
+      addPt(r,-(o+8),8);addPt(r,-(o+8),-8);
+    }
+    function addHr(r) {
+      addPt(r,handSizeHr,8);addPt(r,handSizeHr,-8);
+      addPt(r,-(o+8),8);addPt(r,-(o+8),-8);
+    }
+    if (rsec!=lastrsec) {
+      addSec(rsec);addSec(lastrsec);
+    }
+    if (rmin!=lastrmin) {
+      addMin(rmin);addMin(lastrmin);
+    }
+    if (rhr!=lastrhr) {
+      addHr(rhr);addHr(lastrhr);
+    }
+    bounds = {x:x1,y:y1,width:1+x2-x1,height:1+y2-y1};
+  }
+
+  g.drawImages([
+    {image:bgimg,x:24,y:24},
+    {image:ghrimg,x:120,y:120,center:true,rotate:rhr},
+    {image:gminimg,x:120,y:120,center:true,rotate:rmin},
+    {image:gsecimg,x:120,y:120,center:true,rotate:rsec}
+  ],bounds);
+  lastrsec = rsec;
+  lastrmin = rmin;
+  lastrhr = rhr;
+}
+
+if (g.drawImages) {
+  var secondInterval = setInterval(drawHands,1000);
+  // handle display switch on/off
+  Bangle.on('lcdPower', (on) => {
+    if (secondInterval) {
+      clearInterval(secondInterval);
+      secondInterval = undefined;
+    }
+    if (on) {
+      drawHands();
+      secondInterval = setInterval(drawHands,1000);
+    }
+  });
+
+  g.clear();
+  drawHands(true);
+} else {
+  E.showMessage("Please update\nBangle.js firmware\nto use this clock","analogimgclk");
+}
diff --git a/apps/analogimgclk/app.png b/apps/analogimgclk/app.png
diff --git a/apps/analogimgclk/bg.img b/apps/analogimgclk/bg.img