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Code Issues Releases Wiki Activity

added crop method

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This commit is contained in:
Oliver Vogel
2013-02-28 17:35:28 +01:00
parent aa4f78b92f
commit fd29c19fde
3 changed files with 66 additions and 0 deletions
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17
README.md
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@@ -49,6 +49,7 @@ Add the facade of this package to the `$aliases` array.
* Image::make - Open a new image resource from image file or create a new empty image
* Image::canvas - Create a new empty image resource
* Image::resize - Resize current image based on given width and/or height
* Image::crop - Crop the current image
* Image::grab - Cut out a detail of the image in given ratio and resize to output size
* Image::insert - Insert another image on top of the current image
* Image::brightness - Changes brightness of current image (-100 = min brightness, 0 = no change, +100 = max brightness)
@@ -99,6 +100,22 @@ $img->reset();
$img->save('public/bar.jpg', 60);
```
#### Crop image
```php
// create Image from file
$img = Image::make('public/foo.jpg');
// crop 300x200 pixel cutout at position x:200, y:100
$img->crop(300, 200, 200, 100);
// crop 300x200 pixel cutout centered on current image
$img->crop(300, 200);
// save image
$img->save();
```
#### Smart resizing
```php

30
src/Intervention/Image/Image.php
View File

@@ -315,6 +315,36 @@ class Image
return $this->resize($width, $height, true);
}
/**
* Crop the current image
*
* @param integer $width
* @param integer $height
* @param integer $pos_x
* @param integer $pos_y
*
* @return Image
*/
public function crop($width, $height, $pos_x = null, $pos_y = null)
{
$width = is_numeric($width) ? intval($width) : null;
$height = is_numeric($height) ? intval($height) : null;
$pos_x = is_numeric($pos_x) ? intval($pos_x) : null;
$pos_y = is_numeric($pos_y) ? intval($pos_y) : null;
if (is_null($pos_x) && is_null($pos_y)) {
// center position of width/height rectangle
$pos_x = floor(($this->width - intval($width)) / 2);
$pos_y = floor(($this->height - intval($height)) / 2);
}
if (is_null($width) || is_null($height)) {
throw new Exception('width and height of cutout needs to be defined');
}
return $this->modify(0, 0, $pos_x , $pos_y, $width, $height, $width, $height);
}
/**
* Cut out a detail of the image in given ratio and resize to output size
*

19
tests/ImageTest.php
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@@ -107,6 +107,25 @@ class ImageTest extends PHPUnit_Framework_Testcase
$this->assertEquals($img->height, $original_height);
}
public function testCropImage()
{
$img = $this->getTestImage();
$img->crop(100, 100);
$this->assertInternalType('int', $img->width);
$this->assertInternalType('int', $img->height);
$this->assertEquals($img->width, 100);
$this->assertEquals($img->height, 100);
$this->assertEquals('#ffbe46', $img->pickColor(99, 99, 'hex'));
$img = $this->getTestImage();
$img->crop(100, 100, 650, 400);
$this->assertInternalType('int', $img->width);
$this->assertInternalType('int', $img->height);
$this->assertEquals($img->width, 100);
$this->assertEquals($img->height, 100);
$this->assertEquals('#ffa600', $img->pickColor(99, 99, 'hex'));
}
public function testLegacyResize()
{
// auto height