Added files

examples/berries.js

@@ -0,0 +1,16 @@
+var pitft = require("../pitft");
+
+var fb = new pitft.FrameBuffer("/dev/fb1");
+fb.clear();
+
+var xMax = fb.size().width;
+var yMax = fb.size().height;
+
+fb.image(x, y, "raspberry-pi.png");
+
+for (var n=0; n<1000; n++) {
+    var x = Math.random() * (xMax + 32) - 16;
+    var y = Math.random() * (yMax + 32) - 16;
+
+    fb.image(x, y, "raspberry-pi-icon.png");
+}

examples/circles.js

@@ -1,13 +1,12 @@
 var pitft = require("../pitft");
 
 var fb = new pitft.FrameBuffer("/dev/fb1");
-
 fb.clear();
 
 var xMax = fb.size().width;
 var yMax = fb.size().height;
 
-for (var n=0; n<1000; n++) {
+for (var n=0; n<250; n++) {
     var x, y, radius, r, g, b;
 
     x = parseInt(Math.random() * xMax, 10);
@@ -19,5 +18,22 @@ for (var n=0; n<1000; n++) {
     b = Math.random();
 
     fb.color(r, g, b);
-    fb.circle(x, y, radius, false, 5);
+    fb.circle(x, y, radius, false, 1);
 }
+
+fb.clear();
+
+for (var n=0; n<250; n++) {
+    var x, y, radius, r, g, b;
+
+    x = parseInt(Math.random() * xMax, 10);
+    y = parseInt(Math.random() * yMax, 10);
+    radius = parseInt(Math.random() * yMax / 2, 10);
+
+    r = Math.random();
+    g = Math.random();
+    b = Math.random();
+
+    fb.color(r, g, b);
+    fb.circle(x, y, radius, true);
+}

examples/clock.js

@@ -1,48 +1,70 @@
 var pitft = require("../pitft");
 
-var fb = new pitft.FrameBuffer("/dev/fb1");
-
+var fb = new pitft.FrameBuffer("/dev/fb1", true);
 fb.clear();
 
-var rad = 180 / Math.PI;
-
 var xMax = fb.size().width;
 var yMax = fb.size().height;
+var rad = 180/Math.PI;
 
-fb.color(1, 1, 1);
-fb.circle(xMax / 2, yMax / 2, 100);
-
-fb.color(0, 0, 0);
-for (var a=0; a<360; a+=30) {
-    var x0 = xMax / 2 + Math.sin(a / rad) * 85;
-    var y0 = yMax / 2 + Math.cos(a / rad) * 85;
+var hand = function(_fb, x, y, angle, length, width) {
+    var x0 = xMax/2 + Math.sin(angle/rad);
+    var y0 = yMax/2 - Math.cos(angle/rad);
 
-    var x1 = xMax / 2 + Math.sin(a / rad) * 95;
-    var y1 = yMax / 2 + Math.cos(a / rad) * 95;
+    var x1 = xMax/2 + Math.sin(angle/rad) * length;
+    var y1 = yMax/2 - Math.cos(angle/rad) * length;
 
-    fb.line(x0, y0, x1, y1, 5);
+    fb.line(x0, y0, x1, y1, width);
 }
 
-fb.color(1, 0, 0);
-
-var a, x0, y0, x1, y1;
-
-a = 10 / 12 * 360;
-
-x0 = xMax / 2 - Math.sin(a / rad);
-y0 = yMax / 2 - Math.cos(a / rad);
-
-x1 = xMax / 2 - Math.sin(a / rad) * 50;
-y1 = yMax / 2 - Math.cos(a / rad) * 50;
-
-fb.line(x0, y0, x1, y1, 5);
-
-a = 2 / 12 * 360;
-
-x0 = xMax / 2 - Math.sin(a / rad);
-y0 = yMax / 2 - Math.cos(a / rad);
-
-x1 = xMax / 2 - Math.sin(a / rad) * 80;
-y1 = yMax / 2 - Math.cos(a / rad) * 80;
+var drawDial = function() {
+    fb.color(1, 1, 1);
+    fb.circle(xMax/2, yMax/2, 100);
+
+    fb.color(0, 0, 0);
+    for (var a = 0; a < 360; a += 6) {
+        var x0, y0;
+
+        var x0 = xMax/2 + Math.sin(a/rad) * 95;
+        var y0 = yMax/2 + Math.cos(a/rad) * 95;
+
+        if (a % 30 == 0) {
+            x1 = xMax/2 + Math.sin(a/rad) * 85;
+            y1 = yMax/2 + Math.cos(a/rad) * 85;
+            fb.line(x0, y0, x1, y1, 5);
+        } else {
+            x1 = xMax/2 + Math.sin(a/rad) * 90;
+            y1 = yMax/2 + Math.cos(a/rad) * 90;
+            fb.line(x0, y0, x1, y1, 1);
+        }
+    }
+}
 
-fb.line(x0, y0, x1, y1, 5);
+var updateHands = function() {
+    fb.color(1, 1, 1);
+    fb.circle(xMax/2, yMax/2, 85);
+
+    var now = new Date(),
+        midnight = new Date(
+            now.getFullYear(),
+            now.getMonth(),
+            now.getDate(),
+            0,0,0),
+        hours = (now.getTime() - midnight.getTime())/1000/60/60,
+        minutes = (hours * 60) % 60;
+        seconds = parseInt((minutes * 60) % 60);
+
+    fb.color(1, 0, 0);
+    hand(fb, 0, 0, hours/12 * 360, 60, 5);
+    hand(fb, 0, 0, minutes/60 * 360, 80, 5);
+    fb.color(0, 0, 0);
+    hand(fb, 0, 0, seconds/60 * 360, 80, 1.5);
+    fb.color(1, 0, 0);
+    fb.circle(xMax/2, yMax/2, 7.5);
+    fb.blit();
+};
+
+drawDial();
+setInterval(function() {
+    updateHands();
+}, 100);

examples/lines.js

@@ -1,13 +1,12 @@
 var pitft = require("../pitft");
 
 var fb = new pitft.FrameBuffer("/dev/fb1");
-
 fb.clear();
 
 var xMax = fb.size().width;
 var yMax = fb.size().height;
 
-for (var n=0; n<1000; n++) {
+for (var n=0; n<500; n++) {
     var x0, y0, x1, y1, r, g, b;
 
     x0 = parseInt(Math.random() * xMax, 10);

examples/rectangles.js

@@ -1,13 +1,35 @@
 var pitft = require("../pitft");
 
 var fb = new pitft.FrameBuffer("/dev/fb1");
-
 fb.clear();
 
 var xMax = fb.size().width;
 var yMax = fb.size().height;
 
-for (var n=0; n<1000; n++) {
+for (var n=0; n<500; n++) {
+    var x, y, w, h, r, g, b;
+
+    do {
+        x = parseInt(Math.random() * xMax, 10);
+        w = parseInt(Math.random() * xMax, 10);
+    } while ((x + w) >= xMax)
+
+    do {
+        y = parseInt(Math.random() * yMax, 10);
+        h = parseInt(Math.random() * yMax, 10);
+    } while ((y + h) >= yMax)
+
+    r = Math.random();
+    g = Math.random();
+    b = Math.random();
+
+    fb.color(r, g, b);
+    fb.rect(x, y, w, h, false, 1);
+}
+
+fb.clear();
+
+for (var n=0; n<500; n++) {
     var x, y, w, h, r, g, b;
 
     do {

package.json

@@ -1,7 +1,7 @@
 {
   "name": "pitft",
   "description": "A C++ extension for node.js that gives javascript access to the PiTFT framebuffer",
-  "version": "0.0.6",
+  "version": "0.0.7",
   "main": "pitft.js",
   "author": "Werner Vesteraas <[email protected]>",
   "license": {