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thumbnails for choice editor

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git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@159 0fc631ac-6414-0410-93d0-97cfa31319b6
This commit is contained in:
twanvl
2006-12-23 21:12:26 +00:00
parent 3883251961
commit 5bed5892f3
14 changed files with 238 additions and 47 deletions
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src/gui/thumbnail_thread.cpp
+34 -31
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@@ -12,6 +12,30 @@
typedef pair<ThumbnailRequestP,Image> pair_ThumbnailRequestP_Image;
DECLARE_TYPEOF_COLLECTION(pair_ThumbnailRequestP_Image);
// ----------------------------------------------------------------------------- : Image Cache
String user_settings_dir();
String image_cache_dir() {
String dir = user_settings_dir() + _("/cache");
if (!wxDirExists(dir)) wxMkDir(dir);
return dir + _("/");
}
/// A name that is safe to use as a filename, for the cache
String safe_filename(const String& str) {
String ret; ret.reserve(str.size());
FOR_EACH_CONST(c, str) {
if (isAlnum(c)) {
ret += c;
} else if (c==_(' ') || c==_('-')) {
ret += _('-');
} else {
ret += _('_');
}
}
return ret;
}
// ----------------------------------------------------------------------------- : ThumbnailThreadWorker
class ThumbnailThreadWorker : public wxThread {
@@ -50,7 +74,15 @@ wxThread::ExitCode ThumbnailThreadWorker::Entry() {
if (TestDestroy()) return 0;
Image img = current->generate();
if (TestDestroy()) return 0;
// store result
// store in cache
if (img.Ok()) {
String filename = image_cache_dir() + safe_filename(current->cache_name) + _(".png");
img.SaveFile(filename, wxBITMAP_TYPE_PNG);
// set modification time
wxFileName fn(filename);
fn.SetTimes(0, &current->modified, 0);
}
// store result in closed request list
{
wxMutexLocker lock(parent->mutex);
parent->closed_requests.push_back(make_pair(current,img));
@@ -79,27 +111,6 @@ ThumbnailThread::~ThumbnailThread() {
abortAll();
}
String user_settings_dir();
String image_cache_dir() {
String dir = user_settings_dir() + _("/cache");
if (!wxDirExists(dir)) wxMkDir(dir);
return dir + _("/");
}
String ThumbnailThread::safeFilename(const String& str) {
String ret; ret.reserve(str.size());
FOR_EACH_CONST(c, str) {
if (isAlnum(c)) {
ret += c;
} else if (c==_(' ') || c==_('-')) {
ret += _('-');
} else {
ret += _('_');
}
}
return ret;
}
void ThumbnailThread::request(const ThumbnailRequestP& request) {
assert(wxThread::IsMain());
// Is the request in progress?
@@ -108,7 +119,7 @@ void ThumbnailThread::request(const ThumbnailRequestP& request) {
}
request_names.insert(request);
// Is the image in the cache?
String filename = image_cache_dir() + safeFilename(request->cache_name) + _(".png");
String filename = image_cache_dir() + safe_filename(request->cache_name) + _(".png");
wxFileName fn(filename);
if (fn.FileExists()) {
wxDateTime modified;
@@ -152,14 +163,6 @@ bool ThumbnailThread::done(void* owner) {
FOR_EACH(r, finished) {
// store image
r.first->store(r.second);
// store in cache
if (r.second.Ok()) {
String filename = image_cache_dir() + safeFilename(r.first->cache_name) + _(".png");
r.second.SaveFile(filename, wxBITMAP_TYPE_PNG);
// set modification time
wxFileName fn(filename);
fn.SetTimes(0, &r.first->modified, 0);
}
// remove from name list
request_names.erase(r.first);
}