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authorredmatrix <git@macgirvin.com>2016-01-13 17:32:09 -0800
committerredmatrix <git@macgirvin.com>2016-01-13 17:32:09 -0800
commit9584ca080c10777407c59c5939dd0cf2a88a847b (patch)
treeeaa3aa8f820d83e3305156a8b8f5cd420013b874 /include
parent86b550e43e91f39084398bf3540ec2bd3da5d179 (diff)
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some initial work on uploading and cropping cover photos
Diffstat (limited to 'include')
-rw-r--r--include/photo/photo_driver.php3
-rw-r--r--include/photo/photo_gd.php17
-rw-r--r--include/photo/photo_imagick.php18
3 files changed, 38 insertions, 0 deletions
diff --git a/include/photo/photo_driver.php b/include/photo/photo_driver.php
index 0de3b9c97..dce92d8da 100644
--- a/include/photo/photo_driver.php
+++ b/include/photo/photo_driver.php
@@ -69,6 +69,8 @@ abstract class photo_driver {
abstract function cropImage($max,$x,$y,$w,$h);
+ abstract function cropImageRect($maxx,$maxy,$x,$y,$w,$h);
+
abstract function imageString();
@@ -229,6 +231,7 @@ abstract class photo_driver {
$this->doScaleImage($dest_width,$dest_height);
}
+
public function scaleImageSquare($dim) {
if(!$this->is_valid())
return FALSE;
diff --git a/include/photo/photo_gd.php b/include/photo/photo_gd.php
index 2ac7287e4..24bdc204f 100644
--- a/include/photo/photo_gd.php
+++ b/include/photo/photo_gd.php
@@ -108,6 +108,23 @@ class photo_gd extends photo_driver {
$this->setDimensions();
}
+ public function cropImageRect($maxx,$maxy,$x,$y,$w,$h) {
+ if(!$this->is_valid())
+ return FALSE;
+
+ $dest = imagecreatetruecolor( $maxx, $maxy );
+ imagealphablending($dest, false);
+ imagesavealpha($dest, true);
+ if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
+ imagecopyresampled($dest, $this->image, 0, 0, $x, $y, $maxx, $maxy, $w, $h);
+ if($this->image)
+ imagedestroy($this->image);
+ $this->image = $dest;
+ $this->setDimensions();
+ }
+
+
+
public function imageString() {
if(!$this->is_valid())
return FALSE;
diff --git a/include/photo/photo_imagick.php b/include/photo/photo_imagick.php
index 3f84fd06c..32bb61342 100644
--- a/include/photo/photo_imagick.php
+++ b/include/photo/photo_imagick.php
@@ -163,6 +163,24 @@ class photo_imagick extends photo_driver {
$this->doScaleImage($max,$max);
}
+ public function cropImageRect($maxx,$maxy,$x,$y,$w,$h) {
+ if(!$this->is_valid())
+ return FALSE;
+
+ $this->image->setFirstIterator();
+ do {
+ $this->image->cropImage($w, $h, $x, $y);
+ /**
+ * We need to remove the canvas,
+ * or the image is not resized to the crop:
+ * http://php.net/manual/en/imagick.cropimage.php#97232
+ */
+ $this->image->setImagePage(0, 0, 0, 0);
+ } while ($this->image->nextImage());
+
+ $this->doScaleImage($maxx,$maxy);
+ }
+
public function imageString() {
if(!$this->is_valid())
return FALSE;