PHP simply supports Chinese watermark program code_PHP tutorial

The article introduces a simple watermark program that can add Chinese characters to pictures. Friends who need to know more can refer to it.

The code is as follows

代码如下

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// **************************************** // // 功能:给图片添加文字 // 参数: $img 图片文件名 // $new_img 另存图片文件名,如果为空表示不另存图片 // $text 字符串内容 // text_size 字符串大小 // text_angle 字型串输出角度 // text_x 字符串输出 x 坐标 // text_y 字符串输出 y 坐标 // $text_font 字型文件名 // $r,$g,$b 字符串颜色RGB值 // **************************************** // function img_text($img, $new_img, $text, $text_size, $text_angle, $text_x, $text_y, $text_font, $r, $g, $b){ $text=iconv("gb2312","UTF-8",$text); Header("Content-type: image/gif"); $im = @imagecreatefromstring(file_get_contents($img)) or die ("打开图片失败!"); $color = ImageColorAllocate($im, $r,$g,$b); //ImageTTFText(int im, int size, int angle, int x, int y, int col, string fontfile, string text)： //本函数将 TTF (TrueType Fonts) 字型文字写入图片。 //参数: size 为字形的尺寸； // angle 为字型的角度，顺时针计算，0 度为水平(由左到右)，90 度则为由下到上的文字； // x,y 二参数为文字的坐标值 (原点为左上角)； // col 为字的颜色； // fontfile 为字型文件名称； // text 是字符串内容。 ImageTTFText($im, $text_size, $text_angle, $text_x, $text_y, $color, $text_font, $text); if ($new_img==""): ImageGif($im); // 不保存图片,只显示 else: ImageGif($im,$new_img); // 保存图片,但不显示 endif; ImageDestroy($im); //结束图形，释放内存空间 } ?>

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// **************************************** //
// Function: Add text to pictures
// Parameter: $img image file name
// $new_img Save the image file name. If it is empty, it means not to save the image
// $text string content
// text_size string size
// text_angle font string output angle
// text_x string output x coordinate
// text_y string output y coordinate
// $text_font font file name
// $r,$g,$b string color RGB value
// **************************************** //
function img_text($img, $new_img, $text, $text_size, $text_angle, $text_x, $text_y, $text_font, $r, $g, $b){

$text=iconv("gb2312","UTF-8",$text);
Header("Content-type: image/gif");
$im = @imagecreatefromstring(file_get_contents($img)) or die ("Failed to open image!");
$color = ImageColorAllocate($im, $r,$g,$b); //ImageTTFText(int im, int size, int angle, int x, int y, int col, string fontfile, string text):
//This function writes TTF (TrueType Fonts) font text into the image.
//Parameter: size is the size of the glyph;
// angle is the angle of the font, calculated clockwise, 0 degrees is horizontal (from left to right), 90 degrees is the text from bottom to top;
// The two parameters x and y are the coordinate values ​​of the text (the origin is the upper left corner);
// col is the color of the word;
// fontfile is the name of the font file;
// text is the string content.
ImageTTFText($im, $text_size, $text_angle, $text_x, $text_y, $color, $text_font, $text); if ($new_img==""):
ImageGif($im); //Do not save the image, only display it
else:
ImageGif($im,$new_img); // Save the image but do not display it
endif; ImageDestroy($im); //End graphics and release memory space
}
?>

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