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added filters

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Chris
2018-12-30 19:24:56 +01:00
parent b2a7c778d8
commit 5cc690bbee
2 changed files with 305 additions and 0 deletions
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278
content-controllers/image/filters.php
View File

@@ -0,0 +1,278 @@
<?php
function getFilters()
{
return get_class_methods('Filter');
}
class Filter {
public function sepia($im,$val) {
imagefilter($im, IMG_FILTER_GRAYSCALE);
imagefilter($im, IMG_FILTER_COLORIZE, 100, 50, 0);
return $im;
}
public function sepia2($im,$val) {
imagefilter($im, IMG_FILTER_GRAYSCALE);
imagefilter($im, IMG_FILTER_BRIGHTNESS, -10);
imagefilter($im, IMG_FILTER_CONTRAST, -20);
imagefilter($im, IMG_FILTER_COLORIZE, 60, 30, -15);
return $im;
}
public function sharpen($im,$val) {
$gaussian = array(
array(1.0, 1.0, 1.0),
array(1.0, -7.0, 1.0),
array(1.0, 1.0, 1.0)
);
imageconvolution($im, $gaussian, 1, 4);
return $im;
}
public function emboss($im,$val) {
$gaussian = array(
array(-2.0, -1.0, 0.0),
array(-1.0, 1.0, 1.0),
array(0.0, 1.0, 2.0)
);
imageconvolution($im, $gaussian, 1, 5);
return $im;
}
public function cool($im,$val) {
imagefilter($im, IMG_FILTER_MEAN_REMOVAL);
imagefilter($im, IMG_FILTER_CONTRAST, -50);
return $im;
}
public function light($im,$val) {
imagefilter($im, IMG_FILTER_BRIGHTNESS, 10);
imagefilter($im, IMG_FILTER_COLORIZE, 100, 50, 0, 10);
return $im;
}
public function aqua($im,$val) {
imagefilter($im, IMG_FILTER_COLORIZE, 0, 70, 0, 30);
return $im;
}
public function fuzzy($im,$val) {
$gaussian = array(
array(1.0, 1.0, 1.0),
array(1.0, 1.0, 1.0),
array(1.0, 1.0, 1.0)
);
imageconvolution($im, $gaussian, 9, 20);
return $im;
}
public function boost($im,$val) {
imagefilter($im, IMG_FILTER_CONTRAST, -35);
imagefilter($im, IMG_FILTER_BRIGHTNESS, 10);
return $im;
}
public function boost2($im,$val) {
imagefilter( $im, IMG_FILTER_CONTRAST, -35);
imagefilter( $im, IMG_FILTER_COLORIZE, 25, 25, 25);
return $im;
}
public function gray($im,$val) {
imagefilter($im, IMG_FILTER_CONTRAST, -60);
imagefilter($im, IMG_FILTER_GRAYSCALE);
return $im;
}
public function antique($im,$val) {
imagefilter($im, IMG_FILTER_BRIGHTNESS, 0);
imagefilter($im, IMG_FILTER_CONTRAST, -30);
imagefilter($im, IMG_FILTER_COLORIZE, 75, 50, 25);
return $im;
}
public function blackwhite($im,$val) {
imagefilter($im, IMG_FILTER_GRAYSCALE);
imagefilter($im, IMG_FILTER_BRIGHTNESS, 10);
imagefilter($im, IMG_FILTER_CONTRAST, -20);
return $im;
}
public function vintage($im,$val) {
imagefilter($im, IMG_FILTER_BRIGHTNESS, 10);
imagefilter($im, IMG_FILTER_GRAYSCALE);
imagefilter($im, IMG_FILTER_COLORIZE, 40, 10, -15);
return $im;
}
public function concentrate($im,$val) {
imagefilter($im, IMG_FILTER_GAUSSIAN_BLUR);
imagefilter($im, IMG_FILTER_SMOOTH, -10);
return $im;
}
public function hermajesty($im,$val) {
imagefilter($im, IMG_FILTER_BRIGHTNESS, -10);
imagefilter($im, IMG_FILTER_CONTRAST, -5);
imagefilter($im, IMG_FILTER_COLORIZE, 80, 0, 60);
return $im;
}
public function everglow($im,$val) {
imagefilter($im, IMG_FILTER_BRIGHTNESS, -30);
imagefilter($im, IMG_FILTER_CONTRAST, -5);
imagefilter($im, IMG_FILTER_COLORIZE, 30, 30, 0);
return $im;
}
public function freshblue($im,$val) {
imagefilter($im, IMG_FILTER_CONTRAST, -5);
imagefilter($im, IMG_FILTER_COLORIZE, 20, 0, 80, 60);
return $im;
}
public function tender($im,$val) {
imagefilter($im, IMG_FILTER_CONTRAST, 5);
imagefilter($im, IMG_FILTER_COLORIZE, 80, 20, 40, 50);
imagefilter($im, IMG_FILTER_COLORIZE, 0, 40, 40, 100);
imagefilter($im, IMG_FILTER_SELECTIVE_BLUR);
return $im;
}
public function dream($im,$val) {
imagefilter($im, IMG_FILTER_COLORIZE, 150, 0, 0, 50);
imagefilter($im, IMG_FILTER_NEGATE);
imagefilter($im, IMG_FILTER_COLORIZE, 0, 50, 0, 50);
imagefilter($im, IMG_FILTER_NEGATE);
imagefilter($im, IMG_FILTER_GAUSSIAN_BLUR);
return $im;
}
public function frozen($im,$val) {
imagefilter($im, IMG_FILTER_BRIGHTNESS, -15);
imagefilter($im, IMG_FILTER_COLORIZE, 0, 0, 100, 50);
imagefilter($im, IMG_FILTER_COLORIZE, 0, 0, 100, 50);
imagefilter($im, IMG_FILTER_GAUSSIAN_BLUR);
return $im;
}
public function forest($im,$val) {
imagefilter($im, IMG_FILTER_COLORIZE, 0, 0, 150, 50);
imagefilter($im, IMG_FILTER_NEGATE);
imagefilter($im, IMG_FILTER_COLORIZE, 0, 0, 150, 50);
imagefilter($im, IMG_FILTER_NEGATE);
imagefilter($im, IMG_FILTER_SMOOTH, 10);
return $im;
}
public function rain($im,$val) {
imagefilter($im, IMG_FILTER_GAUSSIAN_BLUR);
imagefilter($im, IMG_FILTER_MEAN_REMOVAL);
imagefilter($im, IMG_FILTER_NEGATE);
imagefilter($im, IMG_FILTER_COLORIZE, 0, 80, 50, 50);
imagefilter($im, IMG_FILTER_NEGATE);
imagefilter($im, IMG_FILTER_SMOOTH, 10);
return $im;
}
public function orangepeel($im,$val) {
imagefilter($im, IMG_FILTER_COLORIZE, 100, 20, -50, 20);
imagefilter($im, IMG_FILTER_SMOOTH, 10);
imagefilter($im, IMG_FILTER_BRIGHTNESS, -10);
imagefilter($im, IMG_FILTER_CONTRAST, 10);
imagegammacorrect($im, 1, 1.2 );
return $im;
}
public function darken($im,$val) {
imagefilter($im, IMG_FILTER_GRAYSCALE);
imagefilter($im, IMG_FILTER_BRIGHTNESS, -50);
return $im;
}
public function summer($im,$val) {
imagefilter($im, IMG_FILTER_COLORIZE, 0, 150, 0, 50);
imagefilter($im, IMG_FILTER_NEGATE);
imagefilter($im, IMG_FILTER_COLORIZE, 25, 50, 0, 50);
imagefilter($im, IMG_FILTER_NEGATE);
return $im;
}
public function retro($im,$val) {
imagefilter($im, IMG_FILTER_GRAYSCALE);
imagefilter($im, IMG_FILTER_COLORIZE, 100, 25, 25, 50);
return $im;
}
public function country($im,$val) {
imagefilter($im, IMG_FILTER_BRIGHTNESS, -30);
imagefilter($im, IMG_FILTER_COLORIZE, 50, 50, 50, 50);
imagegammacorrect($im, 1, 0.3);
return $im;
}
public function washed($im,$val) {
imagefilter($im, IMG_FILTER_BRIGHTNESS, 30);
imagefilter($im, IMG_FILTER_NEGATE);
imagefilter($im, IMG_FILTER_COLORIZE, -50, 0, 20, 50);
imagefilter($im, IMG_FILTER_NEGATE );
imagefilter($im, IMG_FILTER_BRIGHTNESS, 10);
imagegammacorrect($im, 1, 1.2);
return $im;
}
public function pixelate($im,$val) {
if($val==null) $val = 10;
imagefilter($im,IMG_FILTER_PIXELATE,$val);
return $im;
}
public function blur($im,$blurFactor)
{
if(!$blurFactor)
$blurFactor = 3;
if($blurFactor>6)
$blurFactor = 6;
else if($blurFactor<0)
$blurFactor = 0;
// blurFactor has to be an integer
$blurFactor = round($blurFactor);
$originalWidth = imagesx($im);
$originalHeight = imagesy($im);
$smallestWidth = ceil($originalWidth * pow(0.5, $blurFactor));
$smallestHeight = ceil($originalHeight * pow(0.5, $blurFactor));
// for the first run, the previous image is the original input
$prevImage = $im;
$prevWidth = $originalWidth;
$prevHeight = $originalHeight;
// scale way down and gradually scale back up, blurring all the way
for($i = 0; $i < $blurFactor; $i += 1)
{
// determine dimensions of next image
$nextWidth = $smallestWidth * pow(2, $i);
$nextHeight = $smallestHeight * pow(2, $i);
// resize previous image to next size
$nextImage = imagecreatetruecolor($nextWidth, $nextHeight);
imagecopyresized($nextImage, $prevImage, 0, 0, 0, 0,
$nextWidth, $nextHeight, $prevWidth, $prevHeight);
// apply blur filter
imagefilter($nextImage, IMG_FILTER_GAUSSIAN_BLUR);
// now the new image becomes the previous image for the next step
$prevImage = $nextImage;
$prevWidth = $nextWidth;
$prevHeight = $nextHeight;
}
// scale back to original size and blur one more time
imagecopyresized($im, $nextImage,
0, 0, 0, 0, $originalWidth, $originalHeight, $nextWidth, $nextHeight);
imagefilter($im, IMG_FILTER_GAUSSIAN_BLUR);
// clean up
imagedestroy($prevImage);
// return result
return $im;
}
}

27
content-controllers/image/image.controller.php
View File

@@ -64,13 +64,30 @@ class ImageController implements ContentController
//don't do this if it's a gif because PHP can't handle animated gifs //don't do this if it's a gif because PHP can't handle animated gifs
if($type!='gif') if($type!='gif')
{ {
$filters = getFilters();
foreach($url as $u) foreach($url as $u)
{ {
if(isSize($u)) if(isSize($u))
$modifiers['size'] = $u; $modifiers['size'] = $u;
else if(isRotation($u)) else if(isRotation($u))
$modifiers['rotation'] = $u; $modifiers['rotation'] = $u;
else // check for filters
{
foreach($filters as $filter)
{
if(startsWith($u,$filter) && ($u==$filter || startsWith($u,$filter.'_')))
{
$a = explode('_',$u);
$value = $a[1];
if(is_numeric($value))
$modifiers['filters'][] = array('filter'=>$filter,'value'=>$value);
else
$modifiers['filters'][] = array('filter'=>$filter);
} }
}
}
}
if(in_array('webp',$url) && $type!='webp') if(in_array('webp',$url) && $type!='webp')
$modifiers['webp'] = true; $modifiers['webp'] = true;
if(in_array('forcesize',$url) && $modifiers['size']) if(in_array('forcesize',$url) && $modifiers['size'])
@@ -91,6 +108,7 @@ class ImageController implements ContentController
$modhash = md5(http_build_query($modifiers,'',',')); $modhash = md5(http_build_query($modifiers,'',','));
$newpath = ROOT.DS.'data'.DS.$hash.DS.$modhash.'_'.$hash; $newpath = ROOT.DS.'data'.DS.$hash.DS.$modhash.'_'.$hash;
$im = $this->getObjOfImage($path); $im = $this->getObjOfImage($path);
$f = new Filter();
if(!file_exists($newpath)) if(!file_exists($newpath))
{ {
@@ -98,6 +116,15 @@ class ImageController implements ContentController
{ {
switch($mod) switch($mod)
{ {
case 'filters':
foreach($val as $fd)
{
$filter = $fd['filter'];
$value = $fd['value'];
$im = $f->$filter($im,$value);
}
break;
case 'size': case 'size':
($modifiers['forcesize']?forceResize($im,$val):resize($im,$val)); ($modifiers['forcesize']?forceResize($im,$val):resize($im,$val));
break; break;