HTML canvas shadowOffsetX用法及代碼示例

canvas shadowOffsetX屬性用於設置或返回陰影與形狀之間的水平距離。此屬性保留正值或負值，其中正值指示右側陰影，而負值指示左側陰影。

用法:

context.shadowOffsetX=number

屬性值：

number:用於設置代表陰影水平距離的正數或負數。

示例1：

<!DOCTYPE html> 
<html> 
  
<head> 
    <title> 
        HTML canvas shadowOffsetX Property 
    </title> 
</head> 
  
<body> 
    <canvas id="GFG"
            width="500"
            height="300"> 
  </canvas> 
  
    <script> 
        var x = document.getElementById("GFG"); 
        var contex = x.getContext("2d"); 
        contex.shadowBlur = 20; 
        
        // set horizontal distance. 
        contex.shadowOffsetX = 40; 
        contex.shadowColor = "blue"; 
        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 shadowOffsetX Property 
    </title> 
</head> 
  
<body> 
    <canvas id="GFG"
            width="500"
            height="300"> 
  </canvas> 
  
    <script> 
        var x =  
            document.getElementById("GFG"); 
        var contex = x.getContext("2d"); 
        contex.shadowBlur = 5; 
        contex.shadowOffsetX = 40; 
        contex.shadowColor = "rgb(0, 153, 0)"; 
        contex.fillStyle = "rgb(255, 0, 255)"; 
        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

相關用法

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 shadowOffsetX 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。