image.php
Copy Code code as follows:
<?php
Class Image extends Controller {
function Image ()
{
Parent::controller ();
$this->load->library (' image_lib ');
}
Thumbnail image
function index () {
Echo ' * Adjust image size <br>
* Create thumbnails <br>
* Image Cutting <br>
* Image Rotation <br>
* Add image Watermark <br>
';
}
Thumbnail image
function Resize () {
/*
Attention
Adjusts the size of the original image when $config[' create_thumb ' is equal to false and $config[' New_image ' is not specified
When $config[' Create_thumb ' equals True and $config[' New_image ' is not specified, the generated file name is (original name _thumb. extension)
Generates a value of $config[' New_image ' when $config[' create_thumb ' is equal to false and $config[' New_image '] specified
When $config[' Create_thumb ' equals True and $config[' New_image ' is specified, the generated file name is (original name _thumb. extension)
*/
$config [' image_library '] = ' gd2 ';//(must) Set Image Library
$config [' source_image '] = ' ptjsite/upload/55002.jpg ';//(must) set the name/path of the original image
$config [' dynamic_output '] = false;//Determines whether the new image is to be written to a hard disk or a dynamic existence
$config [' quality '] = ' 90% ';//Set the quality of the image. The higher the quality, the larger the image file
$config [' new_image '] = ' ptjsite/upload/resize004.gif ';//Set the target name/path of the image.
$config [' width '] = 575;//(must) set the width of the image you want.
$config [' height '] = 350;//(must) set the height of the image you want
$config [' create_thumb '] = true;//let the image processing function produce a preview image (before inserting _thumb into the file name extension)
$config [' thumb_marker '] = ' _thumb ';//Specify the indication of the preview image. It will be inserted before the file name extension. For example, Mypic.jpg will become mypic_thumb.jpg
$config [' maintain_ratio '] = true;//maintenance ratio
$config [' master_dim '] = ' auto ';//auto, width, height specify the main axis
$this->image_lib->initialize ($config);
if (! $this->image_lib->resize ())
{
echo $this->image_lib->display_errors ();
}else{
echo "Successful";
}
}
Image cropping
function crop () {
$config [' image_library '] = ' gd2 ';//Set Image Library
$config [' source_image '] = ' ptjsite/upload/004.gif ';//(must) set the name/path of the original image
$config [' dynamic_output '] = false;//Determines whether the new image is to be written to a hard disk or a dynamic existence
$config [' quality '] = ' 90% ';//Set the quality of the image. The higher the quality, the larger the image file
$config [' new_image '] = ' ptjsite/upload/crop004.gif ';//(must) set the target name/path of the image.
$config [' width '] = 75;//(must) set the width of the image you want.
$config [' height '] = 50;//(must) set the height of the image you want
$config [' maintain_ratio '] = true;//maintenance ratio
$config [' x_axis '] = ' 30 ';//(must) the pixel value from the left
$config [' y_axis '] = ' 40 ';//(must) the pixel value taken from the head
$this->image_lib->initialize ($config);
if (! $this->image_lib->crop ())
{
echo $this->image_lib->display_errors ();
}else{
echo "Successful";
}
}
Image rotation
function rotate () {
$config [' image_library '] = ' gd2 ';//(must) Set Image Library
$config [' source_image '] = ' ptjsite/upload/001.jpg ';//(must) set the name/path of the original image
$config [' dynamic_output '] = false;//Determines whether the new image is to be written to a hard disk or a dynamic existence
$config [' quality '] = ' 90% ';//Set the quality of the image. The higher the quality, the larger the image file
$config [' new_image '] = ' ptjsite/upload/rotate001.jpg ';//Set the target name/path of the image
$config [' rotation_angle '] = ' VRT ';//There are 5 rotation options counterclockwise 90 180 270 degrees VRT vertical flip hor flip sideways
$this->image_lib->initialize ($config);
if (! $this->image_lib->rotate ())
{
echo $this->image_lib->display_errors ();
}
}
Text watermark
function watermark () {
$config [' image_library '] = ' gd2 ';//(must) Set Image Library
$config [' source_image '] = ' ptjsite/upload/003.jpg ';//(must) set the name and path of the original image. The path must be a relative or absolute path, but not a URL.
$config [' dynamic_output '] = false;//true dynamic presence (output image directly to browser), FALSE to hard disk
$config [' quality '] = ' 90% ';//Set the quality of the image. The higher the quality, the larger the image file
$config [' new_image '] = ' ptjsite/upload/crop004.gif ';//Set the target name/path of the image.
$config [' wm_type '] = ' overlay ';//(must) set the type of watermark processing you want to use (text, overlay)
$config [' wm_padding '] = ' 5 ';//image relative position (per pixel)
$config [' wm_vrt_alignment '] = ' middle ';//vertical axis position top, middle, bottom
$config [' wm_hor_alignment '] = ' center ';//horizontal axis position left, center, right
$config [' wm_vrt_offset '] = ' 0 ';//Specify a vertical offset in pixels
$config [' wm_hor_offset '] = ' 0 ';//Specify a horizontal offset (in pixels)
/* Text watermark parameter Setting * *
$config [' wm_text '] = ' Copyright 2008-john Doe ';//(must) the text content of the watermark
$config [' wm_font_path '] = ' ptj_system/fonts/type-ra.ttf ';//font name and path
$config [' wm_font_size '] = ' 16 ';//(must) text size
$config [' wm_font_color '] = ' FF0000 ';//(must) text color, hexadecimal number
$config [' wm_shadow_color '] = ' FF0000 ';//projection color, hexadecimal number
$config [' wm_shadow_distance '] = ' 3 ';//font and projection distance (per pixel).
/* Image watermark parameter Setting * *
/*
$config [' wm_overlay_path '] = ' ptjsite/upload/overlay.png ';//watermark image Name and path
$config [' wm_opacity '] = ' 50 ';//transparency of watermark image
$config [' wm_x_transp '] = ' 4 ';//watermark Image Channel
$config [' wm_y_transp '] = ' 4 ';//watermark Image Channel
*/
$this->image_lib->initialize ($config);
$this->image_lib->watermark ();
}
Image watermark
function Watermark2 () {
$config [' image_library '] = ' gd2 ';//(must) Set Image Library
$config [' source_image '] = ' ptjsite/upload/003.jpg ';//(must) set the name and path of the original image. The path must be a relative or absolute path, but not a URL.
$config [' dynamic_output '] = false;//true dynamic presence (output image directly to browser), FALSE to hard disk
$config [' quality '] = ' 90% ';//Set the quality of the image. The higher the quality, the larger the image file
$config [' new_image '] = ' ptjsite/upload/crop004.gif ';//Set the target name/path of the image.
$config [' wm_type '] = ' overlay ';//(must) set the type of watermark processing you want to use (text, overlay)
$config [' wm_padding '] = ' 5 ';//image relative position (per pixel)
$config [' wm_vrt_alignment '] = ' middle ';//vertical axis position top, middle, bottom
$config [' wm_hor_alignment '] = ' center ';//horizontal axis position left, center, right
$config [' wm_vrt_offset '] = ' 0 ';//Specify a vertical offset in pixels
$config [' wm_hor_offset '] = ' 0 ';//Specify a horizontal offset (in pixels)
/* Text watermark parameter Setting * *
/*
$config [' wm_text '] = ' Copyright 2008-john Doe ';//(must) the text content of the watermark
$config [' wm_font_path '] = ' ptj_system/fonts/type-ra.ttf ';//font name and path
$config [' wm_font_size '] = ' 16 ';//(must) text size
$config [' wm_font_color '] = ' FF0000 ';//(must) text color, hexadecimal number
$config [' wm_shadow_color '] = ' FF0000 ';//projection color, hexadecimal number
$config [' wm_shadow_distance '] = ' 3 ';//font and projection distance (per pixel).
*/
/* Image watermark parameter Setting * *
$config [' wm_overlay_path '] = ' ptjsite/upload/overlay.png ';//watermark image Name and path
$config [' wm_opacity '] = ' 50 ';//transparency of watermark image
$config [' wm_x_transp '] = ' 4 ';//watermark Image Channel
$config [' wm_y_transp '] = ' 4 ';//watermark Image Channel
$this->image_lib->initialize ($config);
$this->image_lib->watermark ();
}
}
?>
