123 lines
No EOL
4.3 KiB
PHP
123 lines
No EOL
4.3 KiB
PHP
<?php
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class Drawing
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{
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const ALIGN_LEFT = "left";
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const ALIGN_TOP = "top";
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const ALIGN_BOTTOM = "bottom";
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const ALIGN_CENTER = "center";
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const ALIGN_RIGHT = "right";
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static function drawrectnagle(&$image, $left, $top, $width, $height, $rgb)
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{
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$color = imagecolorallocate($image, $rgb[0], $rgb[1], $rgb[2]);
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$right = $left + $width;
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$bottom = $top + $height;
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imageline($image, $left, $top, $right, $top, $color);
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imageline($image, $right,$top, $right, $bottom, $color);
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imageline($image, $left, $bottom, $right, $bottom, $color);
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imageline($image, $left, $top, $left, $bottom, $color);
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}
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/**
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* http://ru2.php.net/imagettftext
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*/
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static function imagettftextbox(&$image, $size, $angle, $left, $top, $color, $font, $text,
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$max_width, $max_height, $align, $valign)
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{
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// echo var_dump($font);
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// echo $left,"\n", $top, "\n";
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// echo $max_width,"\n", $max_height, "\n";
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// self::drawrectnagle($image, $left, $top, $max_width, $max_height, array(0xFF,0,0));
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$text_lines = explode("\n", $text); // Supports manual line breaks!
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$lines = array();
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$line_widths = array();
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$largest_line_height = 0;
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foreach ($text_lines as $block) {
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$current_line = ''; // Reset current line
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$words = explode(' ', $block); // Split the text into an array of single words
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$first_word = true;
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$last_width = 0;
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for ($i = 0; $i < count($words); $i++) {
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$item = $words[$i];
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// echo "->", $font, "\n";
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$dimensions = imagettfbbox($size, $angle, $font, $current_line . ($first_word ? '' : ' ') . $item);
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$line_width = $dimensions[2] - $dimensions[0];
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$line_height = $dimensions[1] - $dimensions[7];
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$largest_line_height = max($line_height, $largest_line_height);
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if ($line_width > $max_width && !$first_word) {
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$lines[] = $current_line;
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$line_widths[] = $last_width ? $last_width : $line_width;
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$current_line = $item;
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} else {
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$current_line .= ($first_word ? '' : ' ') . $item;
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}
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if ($i == count($words) - 1) {
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$lines[] = $current_line;
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$line_widths[] = $line_width;
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}
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$last_width = $line_width;
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$first_word = false;
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}
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if ($current_line) {
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$current_line = $item;
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}
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}
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// vertical align
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if ($valign == self::ALIGN_CENTER) {
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$top_offset = ($max_height - $largest_line_height * count($lines)) / 2;
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} elseif ($valign == self::ALIGN_BOTTOM) {
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$top_offset = $max_height - $largest_line_height * count($lines);
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}
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$top += $largest_line_height + $top_offset;
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$i = 0;
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fb($lines);
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fb($line_widths);
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foreach ($lines as $line) {
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// horizontal align
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if ($align == self::ALIGN_CENTER) {
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$left_offset = ($max_width - $line_widths[$i]) / 2;
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} elseif ($align == self::ALIGN_RIGHT) {
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$left_offset = ($max_width - $line_widths[$i]);
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}
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// echo $font, "\n";
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imagettftext($image, $size, $angle, $left + $left_offset, $top + ($largest_line_height * $i), $color, $font, $line);
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$i++;
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}
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return $largest_line_height * count($lines);
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}
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function imagettftextSp($image, $size, $angle, $x, $y, $color, $font, $text, $spacing = 0)
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{
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if ($spacing == 0)
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{
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imagettftext($image, $size, $angle, $x, $y, $color, $font, $text);
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}
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else
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{
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$temp_x = $x;
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for ($i = 0; $i < mb_strlen($text); $i++)
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{
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$bbox = imagettftext($image, $size, $angle, $temp_x, $y, $color, $font, $text[$i]);
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$temp_x += $spacing + ($bbox[2] - $bbox[0]);
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}
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}
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}
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}
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?>
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