badmanners/shimmie2
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flash file dimentions (uncompressed files only)

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git-svn-id: file:///home/shish/svn/shimmie2/trunk@882 7f39781d-f577-437e-ae19-be835c7a54ca
This commit is contained in:
shish 2008-05-26 21:56:06 +00:00
parent babef089bb
commit 2f34a0f153
2 changed files with 68 additions and 8 deletions
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69
contrib/handle_flash/main.php
View file

@ -21,7 +21,8 @@ class FlashFileHandler extends Extension {
send_event(new ThumbnailGenerationEvent($event->hash, $event->type));
$image = $this->create_image_from_data("images/$ha/$hash", $event->metadata);
if(is_null($image)) {
$event->veto("Flash Handler failed to create image object from data");
$event->veto("Flash Handler failed to create image object from data. ".
"Note: compressed flash files are currently unsupported");
return;
}
send_event(new ImageAdditionEvent($event->user, $image));
@ -49,10 +50,6 @@ class FlashFileHandler extends Extension {
$image = new Image();
// FIXME: need more flash format specs :|
$image->width = 0;
$image->height = 0;
$image->filesize = $metadata['size'];
$image->hash = $metadata['hash'];
$image->filename = $metadata['filename'];
@ -60,12 +57,70 @@ class FlashFileHandler extends Extension {
$image->tag_array = tag_explode($metadata['tags']);
$image->source = $metadata['source'];
$rect = $this->swf_get_bounds($filename);
if(is_null($rect)) {
return $null;
}
$image->width = $rect[1];
$image->height = $rect[3];
return $image;
}
private function str_to_binarray($string) {
$binary = array();
for($j=0; $j<strlen($string); $j++) {
$c = ord($string[$j]);
for($i=7; $i>=0; $i--) {
$binary[] = ($c >> $i) & 0x01;
}
}
return $binary;
}
private function binarray_to_int($binarray, $start=0, $length=32) {
$int = 0;
for($i=$start; $i<$start + $length; $i++) {
$int = $int << 1;
$int = $int + ($binarray[$i] == "1" ? 1 : 0);
}
return $int;
}
private function swf_get_bounds($filename) {
$fp = fopen($filename, "r");
$head = fread($fp, 3);
$version = fread($fp, 1);
$length = fread($fp, 4);
if($head == "FWS") {
$data = fread($fp, 16);
}
else if($head == "CWS") {
// inflate data
return null;
}
$bounds = array();
$rect_bin = $this->str_to_binarray($data);
$nbits = $this->binarray_to_int($rect_bin, 0, 5);
$bounds[] = $this->binarray_to_int($rect_bin, 5 + 0 * $nbits, $nbits) / 20;
$bounds[] = $this->binarray_to_int($rect_bin, 5 + 1 * $nbits, $nbits) / 20;
$bounds[] = $this->binarray_to_int($rect_bin, 5 + 2 * $nbits, $nbits) / 20;
$bounds[] = $this->binarray_to_int($rect_bin, 5 + 3 * $nbits, $nbits) / 20;
return $bounds;
}
private function check_contents($file) {
// FIXME: flash magic header?
return (file_exists($file));
if(!file_exists($file)) return false;
$fp = fopen($file, "r");
$head = fread($fp, 3);
fclose($fp);
if(!array_contains(array("CWS", "FWS"), $head)) return false;
return true;
}
}
add_event_listener(new FlashFileHandler());

7
contrib/handle_flash/theme.php
View file

@ -6,11 +6,16 @@ class FlashFileHandlerTheme extends Themelet {
// FIXME: object and embed have "height" and "width"
$html = "
<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000'
codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0'>
codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0'
height='{$image->height}'
width='{$image->width}'
>
<param name='movie' value='$ilink'/>
<param name='quality' value='high' />
<embed src='$ilink' quality='high'
pluginspage='http://www.macromedia.com/go/getflashplayer'
height='{$image->height}'
width='{$image->width}'
type='application/x-shockwave-flash'></embed>
</object>";
$page->add_block(new Block("Image", $html, "main", 0));