imagecolorallocate是一個函式。
基本介紹
- 外文名:imagecolorallocate
- 類型:函式
imagecolorallocate是一個函式。
3.ImageColorAllocate(圖像描述符,紅,綠,藍):返回一個顏色描述符。由於Gif圖像只能有256色,必須先對它分配調色板,這個語句就是分配一個調色板項。4.ImageColorTransparent(圖像描述符,顏色描述符):指定某顏色為透明色。5.畫圖...
imagecolortransparent() 將 image 圖像中的透明色設定為 color。image 是 imagecreatetruecolor() 返回的圖像標識符,color 是 imagecolorallocate() 返回的顏色標識符。注: 透明色是圖像的一種屬性,透明度不是顏色的屬性。一旦設定了某...
$black=imagecolorallocate($im,0,0,0);imagefilledrectangle($im, 0, 0, 399, 29, $white);//定義文本 $text='hello world!';//這裡是字型檔的路徑 $font='arial.ttf';//為文字添加陰影,即為灰色畫出文本 imagettftext($...
= imagecolorallocate ($im, 255, 255, 255);$text_color = imagecolorallocate ($im, 233, 14, 91);imagestring ($im, 1, 5, 5, "A Simple Text String", $text_color);imagepng ($im);imagedestroy ($im);?> ...
$black = imagecolorallocate($img, 0, 0, 0);// 畫一個黑色的圓 imagearc($img, 100, 100, 150, 150, 0, 360, $black);// 將圖像輸出到瀏覽器 header("Content-type: image/png");imagepng($img);// 釋放記憶體 imaged...
255);$tc = imagecolorallocate($im, 0, 0, 0);imagefilledrectangle($im, 0, 0, 150, 30, $bgc);/* Output an errmsg */ imagestring($im, 1, 5, 5, "Error loading $imgname", $tc);} return $im;} ?> ...
255, 255);$black = imagecolorallocate($im, 0, 0, 0);// prints a black "Z" on a white background imagecharup($im, 3, 10, 10, $string, $black);header('Content-type: image/png');imagepng($im);?> ...
$text_color = imagecolorallocate($im, 233, 14, 91);imagestring($im, 1, 5, 5, "A Simple Text String", $text_color);imagepng($im);imagedestroy($im);?> 注: 本函式需要 GD 2.0.1 或更高版本。注: 本函式...
$bg = imagecolorallocate($image, 0, 0, 0);// 選擇橢圓的顏色 $col_ellipse = imagecolorallocate($image, 255, 255, 255);// 畫一個橢圓 imageellipse($image, 200, 150, 300, 200, $col_ellipse);// 輸出圖像 header(...
$bgc = imagecolorallocate($im, 255, 255, 255);$tc = imagecolorallocate($im, 0, 0, 0);imagefilledrectangle($im, 0, 0, 150, 30, $bgc);/* Output an errmsg */ imagestring($im, 1, 5, 5, "Error loading $img...
$bgc = imagecolorallocate($im, 255, 255, 255);$tc = imagecolorallocate($im, 0, 0, 0);imagefilledrectangle($im, 0, 0, 10, 10, $bgc);/* Output an errmsg */ imagestring($im, 1, 5, 5, "Error loading $img...
$bgc = imagecolorallocate($im, 255, 255, 255); $tc = imagecolorallocate($im, 0, 0, 0); imagefilledrectangle($im, 0, 0, 150, 30, $bgc); /* Output an errmsg */ imagestring($im, 1, 5, 5, "Error loading...
round($x2 + (1-$k)*$a), round($y2 + (1+$k)*$a),);imagefilledpolygon($image, $points, 4, $color);return imagepolygon($image, $points, 4, $color);} ?>參見 imagecreatetruecolor() 和 imagecolorallocate ...
$black = ImageColorAllocate($im, 0,0,0);$white = ImageColorAllocate($im, 255,255,255);imageline($im, 1, 1, 350, 25, $black);imagearc($im, 200, 15, 20, 20, 35, 190, $white);imagestring($im, 5, 4, 10...