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-rw-r--r--kohana/libraries/drivers/Image/GD.php401
1 files changed, 0 insertions, 401 deletions
diff --git a/kohana/libraries/drivers/Image/GD.php b/kohana/libraries/drivers/Image/GD.php
deleted file mode 100644
index be2af4e2..00000000
--- a/kohana/libraries/drivers/Image/GD.php
+++ /dev/null
@@ -1,401 +0,0 @@
-<?php defined('SYSPATH') OR die('No direct access allowed.');
-/**
- * GD Image Driver.
- *
- * $Id: GD.php 3769 2008-12-15 00:48:56Z zombor $
- *
- * @package Image
- * @author Kohana Team
- * @copyright (c) 2007-2008 Kohana Team
- * @license http://kohanaphp.com/license.html
- */
-class Image_GD_Driver extends Image_Driver {
-
- // A transparent PNG as a string
- protected static $blank_png;
- protected static $blank_png_width;
- protected static $blank_png_height;
-
- public function __construct()
- {
- // Make sure that GD2 is available
- if ( ! function_exists('gd_info'))
- throw new Kohana_Exception('image.gd.requires_v2');
-
- // Get the GD information
- $info = gd_info();
-
- // Make sure that the GD2 is installed
- if (strpos($info['GD Version'], '2.') === FALSE)
- throw new Kohana_Exception('image.gd.requires_v2');
- }
-
- public function process($image, $actions, $dir, $file, $render = FALSE)
- {
- // Set the "create" function
- switch ($image['type'])
- {
- case IMAGETYPE_JPEG:
- $create = 'imagecreatefromjpeg';
- break;
- case IMAGETYPE_GIF:
- $create = 'imagecreatefromgif';
- break;
- case IMAGETYPE_PNG:
- $create = 'imagecreatefrompng';
- break;
- }
-
- // Set the "save" function
- switch (strtolower(substr(strrchr($file, '.'), 1)))
- {
- case 'jpg':
- case 'jpeg':
- $save = 'imagejpeg';
- break;
- case 'gif':
- $save = 'imagegif';
- break;
- case 'png':
- $save = 'imagepng';
- break;
- }
-
- // Make sure the image type is supported for import
- if (empty($create) OR ! function_exists($create))
- throw new Kohana_Exception('image.type_not_allowed', $image['file']);
-
- // Make sure the image type is supported for saving
- if (empty($save) OR ! function_exists($save))
- throw new Kohana_Exception('image.type_not_allowed', $dir.$file);
-
- // Load the image
- $this->image = $image;
-
- // Create the GD image resource
- $this->tmp_image = $create($image['file']);
-
- // Get the quality setting from the actions
- $quality = arr::remove('quality', $actions);
-
- if ($status = $this->execute($actions))
- {
- // Prevent the alpha from being lost
- imagealphablending($this->tmp_image, TRUE);
- imagesavealpha($this->tmp_image, TRUE);
-
- switch ($save)
- {
- case 'imagejpeg':
- // Default the quality to 95
- ($quality === NULL) and $quality = 95;
- break;
- case 'imagegif':
- // Remove the quality setting, GIF doesn't use it
- unset($quality);
- break;
- case 'imagepng':
- // Always use a compression level of 9 for PNGs. This does not
- // affect quality, it only increases the level of compression!
- $quality = 9;
- break;
- }
-
- if ($render === FALSE)
- {
- // Set the status to the save return value, saving with the quality requested
- $status = isset($quality) ? $save($this->tmp_image, $dir.$file, $quality) : $save($this->tmp_image, $dir.$file);
- }
- else
- {
- // Output the image directly to the browser
- switch ($save)
- {
- case 'imagejpeg':
- header('Content-Type: image/jpeg');
- break;
- case 'imagegif':
- header('Content-Type: image/gif');
- break;
- case 'imagepng':
- header('Content-Type: image/png');
- break;
- }
-
- $status = isset($quality) ? $save($this->tmp_image, NULL, $quality) : $save($this->tmp_image);
- }
-
- // Destroy the temporary image
- imagedestroy($this->tmp_image);
- }
-
- return $status;
- }
-
- public function flip($direction)
- {
- // Get the current width and height
- $width = imagesx($this->tmp_image);
- $height = imagesy($this->tmp_image);
-
- // Create the flipped image
- $flipped = $this->imagecreatetransparent($width, $height);
-
- if ($direction === Image::HORIZONTAL)
- {
- for ($x = 0; $x < $width; $x++)
- {
- $status = imagecopy($flipped, $this->tmp_image, $x, 0, $width - $x - 1, 0, 1, $height);
- }
- }
- elseif ($direction === Image::VERTICAL)
- {
- for ($y = 0; $y < $height; $y++)
- {
- $status = imagecopy($flipped, $this->tmp_image, 0, $y, 0, $height - $y - 1, $width, 1);
- }
- }
- else
- {
- // Do nothing
- return TRUE;
- }
-
- if ($status === TRUE)
- {
- // Swap the new image for the old one
- imagedestroy($this->tmp_image);
- $this->tmp_image = $flipped;
- }
-
- return $status;
- }
-
- public function crop($properties)
- {
- // Sanitize the cropping settings
- $this->sanitize_geometry($properties);
-
- // Get the current width and height
- $width = imagesx($this->tmp_image);
- $height = imagesy($this->tmp_image);
-
- // Create the temporary image to copy to
- $img = $this->imagecreatetransparent($properties['width'], $properties['height']);
-
- // Execute the crop
- if ($status = imagecopyresampled($img, $this->tmp_image, 0, 0, $properties['left'], $properties['top'], $width, $height, $width, $height))
- {
- // Swap the new image for the old one
- imagedestroy($this->tmp_image);
- $this->tmp_image = $img;
- }
-
- return $status;
- }
-
- public function resize($properties)
- {
- // Get the current width and height
- $width = imagesx($this->tmp_image);
- $height = imagesy($this->tmp_image);
-
- if (substr($properties['width'], -1) === '%')
- {
- // Recalculate the percentage to a pixel size
- $properties['width'] = round($width * (substr($properties['width'], 0, -1) / 100));
- }
-
- if (substr($properties['height'], -1) === '%')
- {
- // Recalculate the percentage to a pixel size
- $properties['height'] = round($height * (substr($properties['height'], 0, -1) / 100));
- }
-
- // Recalculate the width and height, if they are missing
- empty($properties['width']) and $properties['width'] = round($width * $properties['height'] / $height);
- empty($properties['height']) and $properties['height'] = round($height * $properties['width'] / $width);
-
- if ($properties['master'] === Image::AUTO)
- {
- // Change an automatic master dim to the correct type
- $properties['master'] = (($width / $properties['width']) > ($height / $properties['height'])) ? Image::WIDTH : Image::HEIGHT;
- }
-
- if (empty($properties['height']) OR $properties['master'] === Image::WIDTH)
- {
- // Recalculate the height based on the width
- $properties['height'] = round($height * $properties['width'] / $width);
- }
-
- if (empty($properties['width']) OR $properties['master'] === Image::HEIGHT)
- {
- // Recalculate the width based on the height
- $properties['width'] = round($width * $properties['height'] / $height);
- }
-
- // Test if we can do a resize without resampling to speed up the final resize
- if ($properties['width'] > $width / 2 AND $properties['height'] > $height / 2)
- {
- // Presize width and height
- $pre_width = $width;
- $pre_height = $height;
-
- // The maximum reduction is 10% greater than the final size
- $max_reduction_width = round($properties['width'] * 1.1);
- $max_reduction_height = round($properties['height'] * 1.1);
-
- // Reduce the size using an O(2n) algorithm, until it reaches the maximum reduction
- while ($pre_width / 2 > $max_reduction_width AND $pre_height / 2 > $max_reduction_height)
- {
- $pre_width /= 2;
- $pre_height /= 2;
- }
-
- // Create the temporary image to copy to
- $img = $this->imagecreatetransparent($pre_width, $pre_height);
-
- if ($status = imagecopyresized($img, $this->tmp_image, 0, 0, 0, 0, $pre_width, $pre_height, $width, $height))
- {
- // Swap the new image for the old one
- imagedestroy($this->tmp_image);
- $this->tmp_image = $img;
- }
-
- // Set the width and height to the presize
- $width = $pre_width;
- $height = $pre_height;
- }
-
- // Create the temporary image to copy to
- $img = $this->imagecreatetransparent($properties['width'], $properties['height']);
-
- // Execute the resize
- if ($status = imagecopyresampled($img, $this->tmp_image, 0, 0, 0, 0, $properties['width'], $properties['height'], $width, $height))
- {
- // Swap the new image for the old one
- imagedestroy($this->tmp_image);
- $this->tmp_image = $img;
- }
-
- return $status;
- }
-
- public function rotate($amount)
- {
- // Use current image to rotate
- $img = $this->tmp_image;
-
- // White, with an alpha of 0
- $transparent = imagecolorallocatealpha($img, 255, 255, 255, 127);
-
- // Rotate, setting the transparent color
- $img = imagerotate($img, 360 - $amount, $transparent, -1);
-
- // Fill the background with the transparent "color"
- imagecolortransparent($img, $transparent);
-
- // Merge the images
- if ($status = imagecopymerge($this->tmp_image, $img, 0, 0, 0, 0, imagesx($this->tmp_image), imagesy($this->tmp_image), 100))
- {
- // Prevent the alpha from being lost
- imagealphablending($img, TRUE);
- imagesavealpha($img, TRUE);
-
- // Swap the new image for the old one
- imagedestroy($this->tmp_image);
- $this->tmp_image = $img;
- }
-
- return $status;
- }
-
- public function sharpen($amount)
- {
- // Make sure that the sharpening function is available
- if ( ! function_exists('imageconvolution'))
- throw new Kohana_Exception('image.unsupported_method', __FUNCTION__);
-
- // Amount should be in the range of 18-10
- $amount = round(abs(-18 + ($amount * 0.08)), 2);
-
- // Gaussian blur matrix
- $matrix = array
- (
- array(-1, -1, -1),
- array(-1, $amount, -1),
- array(-1, -1, -1),
- );
-
- // Perform the sharpen
- return imageconvolution($this->tmp_image, $matrix, $amount - 8, 0);
- }
-
- public function composite($properties)
- {
- switch($properties['mime'])
- {
- case "image/jpeg":
- $overlay_img = imagecreatefromjpeg($properties['overlay_file']);
- break;
-
- case "image/gif":
- $overlay_img = imagecreatefromgif($properties['overlay_file']);
- break;
-
- case "image/png":
- $overlay_img = imagecreatefrompng($properties['overlay_file']);
- break;
- }
-
- imagecopymerge($this->tmp_image, $overlay_img, $properties['x'], $properties['y'], 0, 0, imagesx($overlay_img), imagesy($overlay_img), $properties['transparency']);
- imagedestroy($overlay_img);
- return TRUE;
- }
-
- protected function properties()
- {
- return array(imagesx($this->tmp_image), imagesy($this->tmp_image));
- }
-
- /**
- * Returns an image with a transparent background. Used for rotating to
- * prevent unfilled backgrounds.
- *
- * @param integer image width
- * @param integer image height
- * @return resource
- */
- protected function imagecreatetransparent($width, $height)
- {
- if (self::$blank_png === NULL)
- {
- // Decode the blank PNG if it has not been done already
- self::$blank_png = imagecreatefromstring(base64_decode
- (
- 'iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAYAAACM/rhtAAAABGdBTUEAAK/INwWK6QAAABl0RVh0U29'.
- 'mdHdhcmUAQWRvYmUgSW1hZ2VSZWFkeXHJZTwAAADqSURBVHjaYvz//z/DYAYAAcTEMMgBQAANegcCBN'.
- 'CgdyBAAA16BwIE0KB3IEAADXoHAgTQoHcgQAANegcCBNCgdyBAAA16BwIE0KB3IEAADXoHAgTQoHcgQ'.
- 'AANegcCBNCgdyBAAA16BwIE0KB3IEAADXoHAgTQoHcgQAANegcCBNCgdyBAAA16BwIE0KB3IEAADXoH'.
- 'AgTQoHcgQAANegcCBNCgdyBAAA16BwIE0KB3IEAADXoHAgTQoHcgQAANegcCBNCgdyBAAA16BwIE0KB'.
- '3IEAADXoHAgTQoHcgQAANegcCBNCgdyBAgAEAMpcDTTQWJVEAAAAASUVORK5CYII='
- ));
-
- // Set the blank PNG width and height
- self::$blank_png_width = imagesx(self::$blank_png);
- self::$blank_png_height = imagesy(self::$blank_png);
- }
-
- $img = imagecreatetruecolor($width, $height);
-
- // Resize the blank image
- imagecopyresized($img, self::$blank_png, 0, 0, 0, 0, $width, $height, self::$blank_png_width, self::$blank_png_height);
-
- // Prevent the alpha from being lost
- imagealphablending($img, FALSE);
- imagesavealpha($img, TRUE);
-
- return $img;
- }
-
-} // End Image GD Driver \ No newline at end of file
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