Espruino/tests/test_graphics_drawImage3bit.js
Gordon Williams 9264a22f63 adding tests
2021-10-07 10:47:36 +01:00

76 lines
1.7 KiB
JavaScript

var g = Graphics.createArrayBuffer(20,20,4);
g.dump = _=>{
var s = "";
var n = 0;
for (var y=0;y<g.getHeight();y++) {
s+="\n";
for (var x=0;x<g.getWidth();x++)
s+="..\"=+:*#"[g.getPixel(x,y)&7];
}
return s;
}
g.print = _=>{
print("`"+g.dump()+"`");
}
var ok = true;
function SHOULD_BE(a) {
var b = g.dump();
if (a!=b) {
console.log("GOT :"+b+"\nSHOULD BE:"+a+"\n================");
ok = false;
}
}
// 3 bit 20x20
var img = E.toArrayBuffer(atob("FBSDAAAAAkkkAAAAAAkkkkkAAAAkkkkkkkAAEkkkkkkkgAEkkkkkkkgAkkkkkklkkAkkkkkkv8kEkkkkkl/0kkkkkkkv+kkkklkkl/0kkkkt+kv+kkkkkl/1/0kkkkkkv/+kkkkgkkl/0kkkkAkkkskkkkkAEkkkkkkkgAEkkkkkkkgAAkkkkkkkAAAAkkkkkAAAAAAkkkAAAA=="))
// Normal
g.clear(1).drawImage(img,0,0);
SHOULD_BE(`
......."""""".......
....."""""""""".....
...""""""""""""""...
..""""""""""""""""..
..""""""""""""""""..
.""""""""""""""*""".
."""""""""""""##*"".
"""""""""""""###""""
""""""""""""###"""""
"""""*"""""###""""""
""""*##"""###"""""""
"""""###"###""""""""
""""""#####"""""""""
.""""""###""""""""".
."""""""*"""""""""".
..""""""""""""""""..
..""""""""""""""""..
...""""""""""""""...
....."""""""""".....
......."""""".......`);
// Force almost identical draw, but with slow path using _jswrap_drawImageLayerGetPixel
g.clear(1).drawImage(img,0,0,{scale:1.0000001});
SHOULD_BE(`
......."""""".......
....."""""""""".....
...""""""""""""""...
..""""""""""""""""..
..""""""""""""""""..
.""""""""""""""*""".
."""""""""""""##*"".
"""""""""""""###""""
""""""""""""###"""""
"""""*"""""###""""""
""""*##"""###"""""""
"""""###"###""""""""
""""""#####"""""""""
.""""""###""""""""".
."""""""*"""""""""".
..""""""""""""""""..
..""""""""""""""""..
...""""""""""""""...
....."""""""""".....
......."""""".......`);
result = ok;