blob: 7f029ab0a28783ad4f47af954cc1a61fea62d0ec (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
<!DOCTYPE html>
<meta charset="utf-8">
<link rel=match href=drawimage_html_image_4_ref.html>
<style>
html, body {
margin: 0;
}
</style>
<canvas id="dest" height="100" width="100"></canvas>
<script>
var sourceWidth = 100;
var sourceHeight = 100;
var smoothingEnabled = false;
var destCanvas = document.getElementById('dest');
var sourceImg = document.createElement('img');
sourceImg.src = '../2x2.png'
sourceImg.width = sourceWidth;
sourceImg.height = sourceHeight;
sourceImg.onload = function() {
var destCtx = destCanvas.getContext('2d');
destCtx.fillStyle = "#FF0000";
destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
destCtx.imageSmoothingEnabled = smoothingEnabled;
// 4 arguments, the dest origin is not 0,0 and the dest size is provided but
// does not match the size of the source. The image will be distorted
// The source canvas will copied to the 50,50 position of the destination canvas
// and it will be shrunk to a and area of 16x16
destCtx.drawImage(sourceImg, 50, 50, 16, 16);
}
</script>
|
