mirror of
https://github.com/Geckon01/simple-image-compressor.git
synced 2026-06-17 00:37:50 +00:00
Compare commits
10 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
| dca7db5442 | |||
| 178c158618 | |||
| 1baf7ae2ca | |||
| a7461536bc | |||
| f9b21bcf05 | |||
| de877f3b6a | |||
| 10338aec18 | |||
| 1e0f13a7a6 | |||
| a538362343 | |||
| a6f42255c8 |
@@ -2,12 +2,23 @@
|
||||
|
||||
# SimpleImageCompressor
|
||||
|
||||
[![Software License][ico-license]](LICENSE.md)
|
||||
|
||||
**SimpleImageCompressor** - is a tiny simple PHP image compressor lib which allows you to compress any image easily on the fly.
|
||||

|
||||

|
||||

|
||||
[](https://app.codacy.com/gh/Geckon01/simple-image-compressor/dashboard?utm_source=gh&utm_medium=referral&utm_content=&utm_campaign=Badge_grade)
|
||||
|
||||
**SimpleImageCompressor** - is a tiny simple PHP image resizer/compressor lib which allows you to resize and compress any image easily on the fly.
|
||||
|
||||
## Installation
|
||||
|
||||
### With composer
|
||||
```bash
|
||||
composer require "geckon01/simple-image-compressor"
|
||||
```
|
||||
|
||||
### Without composer
|
||||
|
||||
1. Download latest release [here](https://github.com/Geckon01/simple-image-compressor/releases).
|
||||
2. Unpack archive to any folder of your project you wish.
|
||||
3. Load main lib files:
|
||||
@@ -22,10 +33,10 @@ use geckon01\SimpleImageCompressor\SimpleImageCompressor;
|
||||
|
||||
To resize and compress your image you can use next code:
|
||||
```php
|
||||
$resulutionTargetPercent = 50;
|
||||
$resolutionTargetPercent = 50;
|
||||
$targetQuality = 50;
|
||||
$compressor = SimpleImageCompressor::load("image.png");
|
||||
$compressedImage = $compressor->resizeAndCompress($resulutionTargetPercent, $targetQuality);
|
||||
$compressedImage = $compressor->resizeAndCompress($resolutionTargetPercent, $targetQuality);
|
||||
$compressedImage->toFile("image");
|
||||
```
|
||||
load method supports loading from local file, or you can specify any valid URL image link like this:
|
||||
@@ -65,5 +76,3 @@ As example, if we have original image 1920x1080 which we want to get 50% of orig
|
||||
## License
|
||||
|
||||
This software is licensed under the MIT License. [View the license](LICENSE.md).
|
||||
|
||||
[ico-license]: https://img.shields.io/badge/license-MIT-green
|
||||
|
||||
+1
-1
@@ -1,7 +1,7 @@
|
||||
{
|
||||
"name": "geckon01/simple-image-compressor",
|
||||
"description": "SimpleImageCompressor is a tiny simple PHP image compressor lib which allows you to compress any image easily on the fly",
|
||||
"version": "0.3.1",
|
||||
"version": "0.4.3.25",
|
||||
"keywords": [
|
||||
"php",
|
||||
"images",
|
||||
|
||||
+14
-2
@@ -57,11 +57,17 @@ class CompressedImage
|
||||
imagejpeg($this->imageObject, null, $this->qualityRate);
|
||||
break;
|
||||
case "image/png":
|
||||
imagepng( $this->imageObject, null, self::mapValue($this->qualityRate, 0, 100, 0, 9));
|
||||
imagepng($this->imageObject, null, self::mapValue($this->qualityRate, 0, 100, 0, 9));
|
||||
break;
|
||||
case "image/gif":
|
||||
imagegif($this->imageObject);
|
||||
break;
|
||||
case "image/webp":
|
||||
imagewebp($this->imageObject);
|
||||
break;
|
||||
case "image/bmp":
|
||||
imagebmp($this->imageObject);
|
||||
break;
|
||||
}
|
||||
$base64_output = ob_get_contents();
|
||||
ob_end_clean();
|
||||
@@ -81,11 +87,17 @@ class CompressedImage
|
||||
imagejpeg($this->imageObject, $filePath.".jpg", $this->qualityRate);
|
||||
break;
|
||||
case "image/png":
|
||||
imagepng( $this->imageObject, $filePath.".png", self::mapValue($this->qualityRate, 0, 100, 0, 9));
|
||||
imagepng($this->imageObject, $filePath.".png", self::mapValue($this->qualityRate, 0, 100, 0, 9));
|
||||
break;
|
||||
case "image/gif":
|
||||
imagegif($this->imageObject, $filePath.".gif");
|
||||
break;
|
||||
case "image/webp":
|
||||
imagewebp($this->imageObject, $filePath.".webp");
|
||||
break;
|
||||
case "image/bmp":
|
||||
imagebmp($this->imageObject, $filePath.".bmp");
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -8,13 +8,14 @@
|
||||
|
||||
namespace geckon01\SimpleImageCompressor;
|
||||
|
||||
|
||||
/**
|
||||
* Class SimpleImageCompressor
|
||||
* @package geckon01\SimpleImageCompressor
|
||||
*/
|
||||
class SimpleImageCompressor
|
||||
{
|
||||
private const ALLOWED_IMAGE_FORMAT = "image/jpeg,image/png,image/gif";
|
||||
private const ALLOWED_IMAGE_FORMAT = "image/jpeg,image/png,image/gif,image/webp,image/bmp";
|
||||
private string $imageResourceUrl;
|
||||
private string $imageData;
|
||||
private string $imageType;
|
||||
@@ -22,15 +23,20 @@ class SimpleImageCompressor
|
||||
private int $approxMinimumHeight = 90;
|
||||
private int $approxMinimumWidth = 90;
|
||||
|
||||
private bool $exifLoaded = false;
|
||||
|
||||
|
||||
/**
|
||||
* SimpleImageCompressor constructor.
|
||||
* @param $url
|
||||
* @param $url url or path from where to load file
|
||||
*/
|
||||
private function __construct($url)
|
||||
{
|
||||
$this->imageResourceUrl = $url;
|
||||
$this->exifLoaded = in_array("exif", get_loaded_extensions());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Returns current loaded image type
|
||||
* @return string
|
||||
@@ -78,17 +84,47 @@ class SimpleImageCompressor
|
||||
* Determine current loaded image type
|
||||
*/
|
||||
private function loadImageType() {
|
||||
$filetype = '';
|
||||
$this->imageType = "image";
|
||||
|
||||
if($this->exifLoaded) {
|
||||
switch (exif_imagetype($this->imageResourceUrl))
|
||||
{
|
||||
case IMAGETYPE_GIF:
|
||||
$this->imageType = 'image/gif';
|
||||
break;
|
||||
case IMAGETYPE_JPEG:
|
||||
$this->imageType = 'image/jpeg';
|
||||
break;
|
||||
case IMAGETYPE_PNG:
|
||||
$this->imageType = 'image/png';
|
||||
break;
|
||||
case IMAGETYPE_BMP:
|
||||
$this->imageType = 'image/bmp';
|
||||
break;
|
||||
case IMAGETYPE_WEBP:
|
||||
$this->imageType = 'image/webp';
|
||||
break;
|
||||
case IMAGETYPE_ICO:
|
||||
$this->imageType = 'image/ico';
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
// Fallback to bytes recognition
|
||||
trigger_error("simple-image-compressor: Exif extension not found. Image MIME type recognition may be inaccurate.");
|
||||
|
||||
if (substr($this->imageData, 0, 2) === "\xFF\xD8") {
|
||||
$filetype = 'image/jpeg';
|
||||
} elseif (substr($this->imageData, 0, 3) === "\x89\x50\x4E") {
|
||||
$filetype = 'image/png';
|
||||
} elseif (substr($this->imageData, 0, 4) === "\x47\x49\x46\x38") {
|
||||
$filetype = 'image/gif';
|
||||
$this->imageType = 'image/jpeg';
|
||||
}
|
||||
if (substr($this->imageData, 0, 3) === "\x89\x50\x4E") {
|
||||
$this->imageType = 'image/png';
|
||||
}
|
||||
if (substr($this->imageData, 0, 4) === "\x47\x49\x46\x38") {
|
||||
$this->imageType = 'image/gif';
|
||||
}
|
||||
|
||||
$this->imageType = $filetype;
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -96,38 +132,46 @@ class SimpleImageCompressor
|
||||
*/
|
||||
private function readImageToString(): void {
|
||||
$imageData = file_get_contents($this->imageResourceUrl);
|
||||
|
||||
if($imageData === false)
|
||||
throw new \Exception("Cannot load image from provided resource: ".$this->imageResourceUrl);
|
||||
|
||||
$this->imageData = $imageData;
|
||||
}
|
||||
|
||||
/**
|
||||
* Resizes and compressing image.
|
||||
* Note that gif compression not supported
|
||||
* @param int $resolutionReductionPercent percent shows how much image resolution to original will be. The greater percent, the lower resolution
|
||||
* @param int $reductionPercent percent shows how much image resolution to original will be. The greater percent, the lower resolution
|
||||
* @param int $quality
|
||||
* @return CompressedImage
|
||||
*/
|
||||
public function resizeAndCompress($resolutionReductionPercent = 5, $quality = 90): CompressedImage
|
||||
public function resizeAndCompress($reductionPercent = 5, $quality = 90): CompressedImage
|
||||
{
|
||||
$im = imagecreatefromstring($this->imageData);
|
||||
$width = imagesx($im);
|
||||
$height = imagesy($im);
|
||||
$originImage = imagecreatefromstring($this->imageData);
|
||||
|
||||
if($originImage === false)
|
||||
throw new \Exception("Can not read provided file");
|
||||
|
||||
$width = imagesx($originImage);
|
||||
$height = imagesy($originImage);
|
||||
|
||||
$totalPixelCount = $width * $height;
|
||||
$minimumPixelCount = $this->approxMinimumWidth * $this->approxMinimumHeight;
|
||||
$maximumResolutionReductionPercent = round(abs(100 - ($minimumPixelCount / $totalPixelCount * 100)));
|
||||
$maxReductionPercent = round(abs(100 - ($minimumPixelCount / $totalPixelCount * 100)));
|
||||
|
||||
//Due to saving proportion we can't guarantee that width and height be equals max and min
|
||||
//As example, if we have original image 1920*1080 which we want to get 50% of original resolution
|
||||
//If we want to save 16*9 aspect ration it must be 960*540
|
||||
//So, we override $maximumResolutionReductionPercent to value which satisfy origin aspect ratio
|
||||
if($maximumResolutionReductionPercent < $resolutionReductionPercent)
|
||||
$resolutionReductionPercent = $maximumResolutionReductionPercent;
|
||||
// Due to saving proportion we can't guarantee that width and height be equals max and min
|
||||
// As example, if we have original image 1920*1080 which we want to get 50% of original resolution
|
||||
// If we want to save 16*9 aspect ration it must be 960*540
|
||||
// So, we override $maxReductionPercent to value which satisfy origin aspect ratio
|
||||
if($maxReductionPercent < $reductionPercent)
|
||||
$reductionPercent = $maxReductionPercent;
|
||||
|
||||
$newWidth = round($width - ($width * $resolutionReductionPercent) / 100);
|
||||
$newHeight = round($height - ($height * $resolutionReductionPercent) / 100);
|
||||
$newWidth = round($width - ($width * $reductionPercent) / 100);
|
||||
$newHeight = round($height - ($height * $reductionPercent) / 100);
|
||||
|
||||
$thumb = imagecreatetruecolor($newWidth, $newHeight);
|
||||
imagecopyresized($thumb, $im, 0, 0, 0, 0, $newWidth, $newHeight, $width, $height);
|
||||
imagecopyresized($thumb, $originImage, 0, 0, 0, 0, $newWidth, $newHeight, $width, $height);
|
||||
|
||||
return new CompressedImage($quality, $this->imageType,$thumb);
|
||||
}
|
||||
@@ -150,4 +194,4 @@ class SimpleImageCompressor
|
||||
|
||||
return $compressorObject;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user