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now makeImagePreviews(...) also attaches existing previews to found images, so we can use it to find/make previews...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2013-07-01 04:47:17 +04:00
parent 4aceeb2a66
commit 83572f5def
1 changed files with 22 additions and 6 deletions
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28
ui/compatibility.js
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@ -125,8 +125,12 @@ if(window.CEF_dumpJSON != null){
$('.title-bar .title').text(title) $('.title-bar .title').text(title)
} }
// vips preview generation... // preview generation...
// XXX make this queuable... //
// NOTE: this will add already existing previews to IMAGES[gid]...
//
// XXX make this not just vips-specific...
// XXX path handling is a mess...
window.makeImagePreviews = function(gid, sizes){ window.makeImagePreviews = function(gid, sizes){
var img = IMAGES[gid] var img = IMAGES[gid]
@ -149,8 +153,8 @@ if(window.CEF_dumpJSON != null){
} }
// build usable local path (without 'file:///')... // build usable local path (without 'file:///')...
var path = normalizePath(CACHE_DIR) var cache_path = normalizePath(CACHE_DIR)
path = path.replace(fp, '') cache_path = cache_path.replace(fp, '')
// get cur image size... // get cur image size...
var size_getter = $.Deferred() var size_getter = $.Deferred()
@ -162,7 +166,8 @@ if(window.CEF_dumpJSON != null){
for(var i=0; i < sizes.length; i++){ for(var i=0; i < sizes.length; i++){
var size = sizes[i] var size = sizes[i]
var target_path = [ path, size+'px' ].join('/') // XXX get this from config...
var target_path = [ cache_path, size+'px' ].join('/')
var deferred = $.Deferred() var deferred = $.Deferred()
previews.push(deferred) previews.push(deferred)
@ -179,8 +184,18 @@ if(window.CEF_dumpJSON != null){
// skip previews larger than cur image... // skip previews larger than cur image...
if(fs.existsSync(target_path +'/'+ name) || source_size <= size){ if(fs.existsSync(target_path +'/'+ name) || source_size <= size){
// see if we know about the preview...
if(img.preview == null || !((size+'px') in img.preview)){
var preview_path = [target_path, name].join('/')
// add the preview to the image object...
img.preview[size+'px'] = './' + CACHE_DIR +'/'+ preview_path.split(CACHE_DIR).pop()
// mark image dirty...
if(IMAGES_UPDATED.indexOf(gid) < 0){
IMAGES_UPDATED.push(gid)
}
}
//console.log('>>> Preview:', name, '('+size+'): Skipped.') //console.log('>>> Preview:', name, '('+size+'): Skipped.')
deferred.notify(gid, size, 'skipped') deferred.notify(gid, size, 'exists')
return deferred.resolve() return deferred.resolve()
} }
@ -191,6 +206,7 @@ if(window.CEF_dumpJSON != null){
var preview_path = [target_path, name].join('/') var preview_path = [target_path, name].join('/')
var factor = source_size / size var factor = source_size / size
// XXX make this compatible with other image processors...
var cmd = 'vips im_shrink "$IN" "$OUT:$COMPRESSION" $FACTOR $FACTOR' var cmd = 'vips im_shrink "$IN" "$OUT:$COMPRESSION" $FACTOR $FACTOR'
.replace(/\$IN/g, source.replace(fp, '')) .replace(/\$IN/g, source.replace(fp, ''))
.replace(/\$OUT/g, preview_path) .replace(/\$OUT/g, preview_path)