From 61afe445f15e08b7421935857a5993c36eb01687 Mon Sep 17 00:00:00 2001 From: Mikael Roos Date: Wed, 14 Jan 2015 19:31:39 +0100 Subject: [PATCH] ready for test of remote images #43 --- README.md | 79 +++++++++++++++++++++--------------------- autoload.php | 23 ++++++++++++ webroot/img_config.php | 2 +- 3 files changed, 64 insertions(+), 40 deletions(-) create mode 100644 autoload.php diff --git a/README.md b/README.md index 0bd5dfb..23acf42 100644 --- a/README.md +++ b/README.md @@ -12,20 +12,20 @@ This software is free and open source, licensed according MIT. -Use case +Use case -------------------------------------- You got an image from your friend who took it with the iPhone and you want to put it up on your website. -The original image is looking like this one, scaled down to a width of 300 pixels. +The original image is looking like this one, scaled down to a width of 300 pixels. -So, you need to rotate it and crop off some parts to make it intresting. +So, you need to rotate it and crop off some parts to make it intresting. To show it off, I'll autorotate the image based on its EXIF-information, I will crop it to a thumbnail of 100x100 pixels and add a filter to make it greyscale finishing up with a sharpen effect. Just for the show I'll rotate the image 25 degrees - do not ask me why. -Lets call this *the URL-Photoshopper*. This is how the magic looks like. +Lets call this *the URL-Photoshopper*. This is how the magic looks like. `img.php?src=issue36/me-270.jpg&w=100&h=100&cf&aro&rb=-25&a=8,30,30,38&f=grayscale`
`&convolve=sharpen-alt` @@ -38,14 +38,14 @@ For myself, I use `img.php` to put up all images on my website, it gives me the Requirements -------------------------------------- -`CImage` and `img.php` supports GIF (with transparency), JPEG and PNG (8bit transparent, 24bit semi transparent) images. It requires PHP 5.3 and PHP GD. You optionally need the EXIF extension to support auto-rotation of JPEG-images. +`CImage` and `img.php` supports GIF (with transparency), JPEG and PNG (8bit transparent, 24bit semi transparent) images. It requires PHP 5.3 and PHP GD. You optionally need the EXIF extension to support auto-rotation of JPEG-images. Installation -------------------------------------- -The [sourcode is available on GitHub](https://github.com/mosbth/cimage). Clone, fork or [download as zip](https://github.com/mosbth/cimage/archive/master.zip). +The [sourcode is available on GitHub](https://github.com/mosbth/cimage). Clone, fork or [download as zip](https://github.com/mosbth/cimage/archive/master.zip). I prefer cloning like this. Do switch to the latest stable version. @@ -65,7 +65,7 @@ chmod 777 cache -Get going quickly +Get going quickly -------------------------------------- @@ -76,7 +76,7 @@ Try it out by pointing your browser to the test file `webroot/test/test.php`. It -###Process your first image +###Process your first image @@ -84,15 +84,15 @@ Try it yourself by opening up an image in your browser. Start with `webroot/img. -###What does "processing the image" involves? +###What does "processing the image" involves? Add `&verbose` to the link to get a verbose output of what is happens during image processing. This is useful for developers or those who seek a deeper understanding on how it all works. -###Check your system +###Check your system -Open up `webroot/check_system.php` if you need to troubleshoot or if you are uncertain if your system has the right extensions loaded. +Open up `webroot/check_system.php` if you need to troubleshoot or if you are uncertain if your system has the right extensions loaded. @@ -106,13 +106,13 @@ The programatic flow, just to get you oriented in the environment, is. 2. `img.php` reads configuration details from `img_config.php`. 3. `img.php` reads and processes incoming `$_GET` arguments to prepare using `CImage`. 4. `img.php` uses `CImage`. -5. `CImage` processes and outputs the image according to how its used. +5. `CImage` processes and outputs the image according to how its used. Read on to learn more on how to use `img.php`. -Basic usage +Basic usage -------------------------------------- @@ -127,11 +127,11 @@ It looks like this. -All images are stored in a directory structure and you access them as `?src=dir1/dir2/image.png`. +All images are stored in a directory structure and you access them as `?src=dir1/dir2/image.png`. -###Resize using constraints on width and height +###Resize using constraints on width and height Create a thumbnail of the image by applying constraints on width and height, or one of them. @@ -145,7 +145,7 @@ Think of the constraints as a imaginary box where the image should fit. With `wi -###Resize to fit a certain dimension +###Resize to fit a certain dimension Creating a thumbnail with a certain dimension of width and height, usually involves stretching or cropping the image to fit in the selected dimensions. Here is how you create a image that has the exact dimensions of 300x150 pixels, by either *stretching*, *cropping* or *fill to fit*. @@ -165,7 +165,7 @@ Fill to fit is useful when you have some image that must fit in a certain dimens -###List of parameters +###List of parameters `img.php` supports a lot of parameters. Combine the parameters to get the desired behavior and resulting image. For example, take the original image, resize it using width, aspect-ratio and crop-to-fit, apply a sharpen effect, save the image as JPEG using quality 30. @@ -173,14 +173,14 @@ Fill to fit is useful when you have some image that must fit in a certain dimens |-----------------------------------------------------------| | | -Here is a list of all parameters that you can use together with `img.php`, grouped by its basic intent of usage. +Here is a list of all parameters that you can use together with `img.php`, grouped by its basic intent of usage. ####Mandatory options and debugging Option `src` is the only mandatory option. The other in this section is useful for debugging or deciding what version of the target image is used. -| Parameter | Explained | +| Parameter | Explained | |----------------|----------------------------------------------| | `src` | Source image to use, mandatory. `src=img.png` or with subdirectory `src=dir/img.png`. | | `nc, no-cache` | Do not use the cached version, do all image processing and save a new image to cache. | @@ -190,11 +190,11 @@ Option `src` is the only mandatory option. The other in this section is useful f -####Options for deciding width and height of target image +####Options for deciding width and height of target image These options are all affecting the final dimensions, width and height, of the resulting image. -| Parameter | Explained | +| Parameter | Explained | |----------------|----------------------------------------------| | `h, height` | `h=200` sets the width to be to max 200px. `h=25%` sets the height to max 25% of its original height. | | `w, width` | `w=200` sets the height to be max 200px. `w=100%` sets the width to max 100% of its original width. | @@ -203,11 +203,11 @@ These options are all affecting the final dimensions, width and height, of the r -####Options for resize strategy +####Options for resize strategy These options affect strategy to use when resizing an image into a target image that has both width and height set. -| Parameter | Explained | +| Parameter | Explained | |----------------|----------------------------------------------| | `nr, no-ratio, stretch` | Do *not* keep aspect ratio when resizing and using both width & height constraints. Results in stretching the image, if needed, to fit in the resulting box. | | `cf, crop-to-fit` | Set together with both `h` and `w` to make the image fit into dimensions, and crop out the rest of the image. | @@ -216,32 +216,32 @@ These options affect strategy to use when resizing an image into a target image -####Options for cropping part of image +####Options for cropping part of image These options enable to decide what part of image to crop out. -| Parameter | Explained | +| Parameter | Explained | |----------------|----------------------------------------------| | `a, area` | Define the area of the image to work with. Set `area=10,10,10,10` (top,right,bottom,left) to crop out the 10% of the outermost area. It works like an offset to define the part of the image you want to process. Its an alternative of using `crop`. | | `c, crop` | Crops an area from the original image, set width, height, start_x and start_y to define the area to crop, for example `crop=100,100,10,10` (`crop=width,height,start_x,start_y`). Left top corner is 0, 0. You can use `left`, `right` or `center` when setting start_x. You may use `top`, `bottom` or `center` when setting start_y. | -####General processing options +####General processing options These options are general options affecting processing. -| Parameter | Explained | +| Parameter | Explained | |----------------|----------------------------------------------| | `bgc, bg-color` | Set the backgroundcolor to use (if its needed). Use six hex digits as `bgc=00ff00` and 8 digits when using the alpha channel, as this `bgc=00ff007f`. The alpha value can be between 00 and 7f. | -####Processing of image before resizing +####Processing of image before resizing This option are executed *before* the image is resized. -| Parameter | Explained | +| Parameter | Explained | |----------------|----------------------------------------------| | `s, scale` | Scale the image to a size proportional to a percentage of its original size, `scale=25` makes an image 25% of its original size and `size=200` doubles up the image size. Scale is applied before resizing and has no impact of the target width and height. | | `rb, rotate-before` | Rotate the image before its processed, send the angle as parameter `rb=45`. | @@ -249,7 +249,7 @@ This option are executed *before* the image is resized. -####Processing of image after resizing +####Processing of image after resizing These options are executed *after* the image is resized. @@ -267,7 +267,7 @@ These options are executed *after* the image is resized. -Documentation +Documentation -------------------------------------- Read full documentation at: @@ -281,6 +281,7 @@ Revision history v0.6.x (latest) +* Added support for download of remote images #43. * Adding compare-page for comparing images. Issue #20. * Added option `no-upscale, nu` as resizing strategy to decline upscaling of smaller images. Fix #61. * Minor change in `CImage::resize()`, crop now does imagecopy without resamling. @@ -303,11 +304,11 @@ v0.6 (2014-12-06) * Corrected json on PHP 5.3. Fix #42. * Improving template for tests in `webroot/tests` when testing out #40. * Adding testcase for #40. -* Adding option `convolve` taking comma-separated list of 11 float-values, wraps and exposes `imageconvoluttion()`. #4 +* Adding option `convolve` taking comma-separated list of 11 float-values, wraps and exposes `imageconvoluttion()`. #4 * Adding option `dpr, device-pixel-ratio` which defaults to 1. Set to 2 to get a twice as large image. Useful for Retina displays. Basically a shortcut to enlarge the image. * Adding utility `cache.bash` to ease gathering stats on cache usage. #21 * Cache-directory can now be readonly and serve all cached files, still failing when need to save files. #5 -* Cache now uses same file extension as original image #37. +* Cache now uses same file extension as original image #37. * Can output image as json format using `json` #11. @@ -372,7 +373,7 @@ v0.4.1 (2014-01-27) * Fixed crop whole image by setting crop=0,0,0,0 * Use negative values for crop width & height to base calulation on original width/height and withdraw selected amount. * Correcting jpeg when setting quality. -* Removed obsolete reference to `$newName` in `CImage::__construct()` (issue 1). +* Removed obsolete reference to `$newName` in `CImage::__construct()` (issue 1). v0.4 (2013-10-08) @@ -404,8 +405,8 @@ image. * Predefined sizes can be configured for width in `img.php`. * Corrected to make crop work with width or height in combination with crop-to-fit. - -v0.2 (2012-05-09) + +v0.2 (2012-05-09) * Implemented filters as in http://php.net/manual/en/function.imagefilter.php * Changed `crop` to `crop_to_fit`, works the same way. @@ -414,16 +415,16 @@ v0.2 (2012-05-09) * Added testcases for above. -v0.1.1 (2012-04-27) +v0.1.1 (2012-04-27) * Corrected calculation where both width and height were set. -v0.1 (2012-04-25) +v0.1 (2012-04-25) * Initial release after rewriting some older code doing the same, but not that good and flexible. 
- .   
+ .
 ..:  Copyright 2012-2014 by Mikael Roos (me@mikaelroos.se)
diff --git a/autoload.php b/autoload.php new file mode 100644 index 0000000..26dc77f --- /dev/null +++ b/autoload.php @@ -0,0 +1,23 @@ + true, + //'remote_allow' => true, //'remote_password' => false, // "secret-password", //'remote_pattern' => '#^https?://#',