canvas fillStyle屬性用於設置或返回用於填充圖形的顏色,漸變或圖案。
樣式:
context.fillStyle=color|gradient|pattern;
屬性值:
- color:用於設置圖形的填充顏色。 canvas fillStyle屬性的默認值為black。
- gradient:用於設置漸變對象以填充圖形。漸變對象是線性或徑向的。
- pattern:用於設置圖案以填充圖形。
示例1:
<!DOCTYPE html>
<html>
<head>
<title>
HTML canvas fillStyle property
</title>
</head>
<body>
<canvas id="GFG"
width="500"
height="300">
</canvas>
<script>
var x = document.getElementById("GFG");
var contex = x.getContext("2d");
// set fillStyle color green.
contex.fillStyle = "green";
contex.fillRect(50, 50, 350, 200);
contex.stroke();
</script>
</body>
</html>
輸出:
示例2:
<!DOCTYPE html>
<html>
<head>
<title>
HTML canvas fillStyle property
</title>
</head>
<body>
<canvas id="GFG"
width="500"
height="300">
</canvas>
<script>
var x =
document.getElementById("GFG");
var contex =
x.getContext("2d");
var gr =
contex.createLinearGradient(50, 0, 350, 0);
gr.addColorStop(0, "green");
gr.addColorStop(1, "white");
contex.fillStyle = gr;
contex.fillRect(50, 50, 350, 200);
contex.stroke();
</script>
</body>
</html>
輸出:
示例3:
<!DOCTYPE html>
<html>
<head>
<title>
HTML canvas fillStyle property
</title>
</head>
<body>
<canvas id="GFG"
width="500"
height="300">
</canvas>
<script>
var x =
document.getElementById("GFG");
var contex =
x.getContext("2d");
var gr =
contex.createLinearGradient(0, 100, 0, 200);
gr.addColorStop(0, "green");
gr.addColorStop(1, "yellow");
contex.fillStyle = gr;
contex.fillRect(50, 50, 350, 200);
contex.stroke();
</script>
</body>
</html>
輸出:
支持的瀏覽器:
- 穀歌瀏覽器
- Internet Explorer 9.0
- 火狐瀏覽器
- 蘋果瀏覽器
- Opera
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注:本文由純淨天空篩選整理自R_Raj大神的英文原創作品 HTML | canvas fillStyle Property。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。