20

画像上に生成されたテキストを画像の中央に揃えたい。現時点では、それを調整できるかどうかはわかりません。以下はコードです。

$im = @imagecreatefromjpeg('poloroid.jpg');

// Create some colors
$white = imagecolorallocate($im, 255, 255, 255);
$grey = imagecolorallocate($im, 128, 128, 128);
$black = imagecolorallocate($im, 0, 0, 0);
//imagefilledrectangle($im, 0, 0, 399, 29, $white);

// The text to draw
//$text = 'John...';
$fbid = $_POST["id"]; 
$text = $_POST["want"];
$fb_email =$_POST["email"];
$fb_name=$_POST["name"];

$uploads_dir = 'uploaded_files/';
// Replace path by your own font path
$font = 'verdana.ttf';

//image file name
//$name ="$fbid.png";
$name = $uploads_dir.$fbid.".png"; //this saves the image inside uploaded_files folder

// Add some shadow to the text
imagettftext($im, 20, 0,  25, 126, $grey, $font, $text);

// Add the text
imagettftext($im, 20, 0, 25, 125, $black, $font, $text);

// Using imagepng() results in clearer text compared with imagejpeg()
//imagepng($im);
imagepng($im,$name,9);
imagedestroy($im);

助けてくれてありがとう。

4

4 に答える 4

40 
$im = @imagecreatefromjpeg('poloroid.jpg');

// Create some colors
$white = imagecolorallocate($im, 255, 255, 255);
$grey = imagecolorallocate($im, 128, 128, 128);
$black = imagecolorallocate($im, 0, 0, 0);
//imagefilledrectangle($im, 0, 0, 399, 29, $white);

// The text to draw
//$text = 'John...';
$fbid = $_POST["id"]; 
$text = $_POST["want"];
$fb_email =$_POST["email"];
$fb_name=$_POST["name"];

$uploads_dir = 'uploaded_files/';
// Replace path by your own font path
$font = 'verdana.ttf';
$font_size = 20;
$angle = 45;

//image file name
//$name ="$fbid.png";
$name = $uploads_dir.$fbid.".png"; //this saves the image inside uploaded_files folder

// Get image Width and Height
$image_width = imagesx($im);  
$image_height = imagesy($im);

// Get Bounding Box Size
$text_box = imagettfbbox($font_size,$angle,$font,$text);

// Get your Text Width and Height
$text_width = $text_box[2]-$text_box[0];
$text_height = $text_box[7]-$text_box[1];

// Calculate coordinates of the text
$x = ($image_width/2) - ($text_width/2);
$y = ($image_height/2) - ($text_height/2);

// Add some shadow to the text
imagettftext($im, $font_size, 0, $x, $y+1, $grey, $font, $text);

// Add the text
imagettftext($im, $font_size, 0, $x, $y, $black, $font, $text);

// Using imagepng() results in clearer text compared with imagejpeg()
//imagepng($im);
imagepng($im,$name,9);
imagedestroy($im);
于 2013-01-25T07:42:12.390 に答える
1

私はあなたのコードを少し更新しました：

function ImageTTFCenter($image, $text, $font, $size, $angle = 45) 
{
    $xi = imagesx($image);
    $yi = imagesy($image);

    $box = imagettfbbox($size, $angle, $font, $text);

    $xr = abs(max($box[2], $box[4]));
    $yr = abs(max($box[5], $box[7]));

    $x = intval(($xi - $xr) / 2);
    $y = intval(($yi + $yr) / 2);

    return array($x, $y);
}

$im = @imagecreatefromjpeg('poloroid.jpg');

// Create some colors
$white = imagecolorallocate($im, 255, 255, 255);
$grey = imagecolorallocate($im, 128, 128, 128);
$black = imagecolorallocate($im, 0, 0, 0);
//imagefilledrectangle($im, 0, 0, 399, 29, $white);

// The text to draw
//$text = 'John...';
$fbid = $_POST["id"]; 
$text = $_POST["want"];
$fb_email =$_POST["email"];
$fb_name=$_POST["name"];

$uploads_dir = 'uploaded_files/';
// Replace path by your own font path
$font = 'verdana.ttf';

//image file name
//$name ="$fbid.png";
$name = $uploads_dir.$fbid.".png"; //this saves the image inside uploaded_files folder

list($x, $y) = ImageTTFCenter($im, $text, $font, 20)
// Add some shadow to the4 text
imagettftext($im, 20, 0, $x, $y+1, $grey, $font, $text);

// Add the text
imagettftext($im, 20, 0, $x, $y, $black, $font, $text);

// Using imagepng() results in clearer text compared with imagejpeg()
//imagepng($im);
imagepng($im,$name,9);
imagedestroy($im);

このImageTTFCenter関数は、あなたが伝える画像の中心座標を見つけますimagettftext

于 2013-01-25T07:26:06.290 に答える
-2 
foreach ($user as $key=>$value){    
    $bb = imagettfbbox($value['font-size'],0,$fontname,$value['name']);    
    $WW = abs($bb[2]-$bb[0]);    
    $XX = ($value['XPos']+$WW);    
    $HH = abs($bb[5]-$bb[3]);    
    $HH +=1;
    $HHH += $HH;
    imagettftext($im, $value['font-size'], 0, $value['XPos'],   $value['YPos'], $color[$value['color']], $fontname, $value['name']);  
    $HHH += 1;
    $WIDE = abs($bb[2]-$bb[0]);  
    $endpoint=$value['XPos']+$WIDE;  
    $bb2 = imagettfbbox($value['font-size'],0,$fontname,$value['name']);  
    $WW2 = abs($bb2[2]-$bb2[0]);     
    $x2pos= $endpoint-$WW2;    
    imagettftext($im, $value['font-size'], 0, $x2pos, $value['YPos'], $color[$value['color']], $fontname, $value['name']);
}
于 2016-04-13T13:38:19.413 に答える