Mon 21 Jul 22:43:21 CEST 2025

js/x11/examples/smoketest/putimage1.js

@@ -0,0 +1,71 @@
+var Buffer = require('buffer').Buffer;
+var x11 = require('../../lib');
+
+var Exposure = x11.eventMask.Exposure;
+var PointerMotion = x11.eventMask.PointerMotion;
+
+var bitmap = new Buffer(128*128*4); // 16384 bits, 2048 bytes bitmap
+for (var i=0; i < bitmap.length; ++i)
+{
+    var byteNum = i%4;
+    if (byteNum == 0)
+        bitmap[i] = parseInt((i/512)%256);
+    if (byteNum == 1)
+        bitmap[i] = parseInt((i/2048)%256);
+    if (byteNum == 2)
+        bitmap[i] = parseInt((i/256)%256);
+    if (byteNum == 2)
+        bitmap[i] = parseInt((i/1024)%256);
+
+}
+
+x11.createClient(function(err, display) {
+    if (err) throw err;
+
+    var X = display.client;
+X.require('render', function(err, Render) {
+
+    var root = display.screen[0].root;
+    var white = display.screen[0].white_pixel;
+    var black = display.screen[0].black_pixel;
+    //console.log(display.screen[0]);
+
+    var wid = X.AllocID();
+    X.CreateWindow(
+       wid, root,
+       10, 10, 400, 300,
+       1, 1, 0,
+       {
+           backgroundPixel: white, eventMask: Exposure|PointerMotion
+       }
+    );
+    X.MapWindow(wid);
+
+    var gc = X.AllocID();
+    X.CreateGC(gc, wid, { foreground: black, background: white } );
+
+    var pixmap1 = X.AllocID();
+    X.CreatePixmap(pixmap1, wid, 32, 128, 128);
+    var pic = X.AllocID();
+    Render.CreatePicture(pic, pixmap1, Render.rgba32);
+
+
+    var pic1 = X.AllocID();
+    Render.CreatePicture(pic1, wid, Render.rgb24);
+
+    X.on('event', function(ev) {
+        if (ev.type == 12) // expose
+        {
+            X.PutImage(2, wid, gc, 128, 128, 0, 0, 0, 24, bitmap);
+            X.PutImage(2, pixmap1, gc, 128, 128, 0, 0, 0, 32, bitmap);
+            //Render.Composite(3, pic1, 0, pic, 0, 0, 0, 0, 30, 40, 128, 128);
+
+        }
+    });
+    X.on('error', function(e) {
+        console.log(e);
+    });
+
+});
+
+});