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authorzotlabs <mike@macgirvin.com>2017-11-20 14:48:29 -0800
committerzotlabs <mike@macgirvin.com>2017-11-20 14:48:29 -0800
commit56d981c8ef0680d5124214b4cd8849b9a42feeb7 (patch)
tree669f3fea4f078d5bca0ee8c9d244c1df90e91f59 /Zotlabs/Thumbs/Text.php
parent250d947667b1500633d80b043ac3760be21446fc (diff)
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provide a generalised interface for thumbnail generators to support various content types
Diffstat (limited to 'Zotlabs/Thumbs/Text.php')
-rw-r--r--Zotlabs/Thumbs/Text.php49
1 files changed, 49 insertions, 0 deletions
diff --git a/Zotlabs/Thumbs/Text.php b/Zotlabs/Thumbs/Text.php
new file mode 100644
index 000000000..86d788992
--- /dev/null
+++ b/Zotlabs/Thumbs/Text.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Zotlabs\Thumbs;
+
+
+class Text {
+
+ function MatchDefault($type) {
+ return(($type === 'text') ? true : false );
+ }
+
+ function Thumb($attach,$preview_style,$height = 300, $width = 300) {
+
+ $stream = @fopen(dbunescbin($attach['content']),'rb');
+ if($stream) {
+ $content = trim(stream_get_contents($stream,4096));
+ $content = str_replace("\r",'',$content);
+ $content_a = explode("\n",$content);
+ }
+ if($content_a) {
+ $fsize = 4;
+ $lsize = 8;
+ $image = imagecreate($width,$height);
+ imagecolorallocate($image,255,255,255);
+ $colour = imagecolorallocate($image,0,0,0);
+ $border = imagecolorallocate($image,64,64,64);
+
+ $x1 = 0;
+ $y1 = 0;
+ $x2 = ImageSX($image) - 1;
+ $y2 = ImageSY($image) - 1;
+
+ for($i = 0; $i < 2; $i++) {
+ ImageRectangle($image, $x1++, $y1++, $x2--, $y2--, $border);
+ }
+
+ foreach($content_a as $l => $t) {
+ $l = $l + 1;
+ $x = 3;
+ $y = ($l * $lsize) + 3 - $fsize;
+ imagestring($image,1,$x,$y,$t,$colour);
+ if(($l * $lsize) >= $height) {
+ break;
+ }
+ }
+ imagejpeg($image,dbunescbin($attach['content']) . '.thumb');
+ }
+ }
+} \ No newline at end of file