bool GfxProc::savefa(string *localfilepath, GfxProc::meta_t type, string *localdstpath)
{
if (!isgfx(localfilepath)
// (this assumes that the width of the largest dimension is max)
|| !readbitmap(NULL, localfilepath, dimensions[sizeof dimensions/sizeof dimensions[0]-1][0]))
{
return false;
}
string jpeg;
bool success = resizebitmap(dimensions[type][0], dimensions[type][1], &jpeg);
freebitmap();
if (!success)
{
return false;
}
FileAccess *f = client->fsaccess->newfileaccess();
client->fsaccess->unlinklocal(localdstpath);
if (!f->fopen(localdstpath, false, true))
{
delete f;
return false;
}
if (!f->fwrite((const byte*)jpeg.data(), jpeg.size(), 0))
{
delete f;
return false;
}
delete f;
return true;
}
bool GfxProc::savefa(string *localfilepath, int width, int height, string *localdstpath)
{
if (!isgfx(localfilepath))
{
return false;
}
mutex.lock();
if (!readbitmap(NULL, localfilepath, width > height ? width : height))
{
mutex.unlock();
return false;
}
int w = width;
int h = height;
if (this->w < w && this->h < h)
{
LOG_debug << "Skipping upsizing of local preview";
w = this->w;
h = this->h;
}
string jpeg;
bool success = resizebitmap(w, h, &jpeg);
freebitmap();
mutex.unlock();
if (!success)
{
return false;
}
FileAccess *f = client->fsaccess->newfileaccess();
client->fsaccess->unlinklocal(localdstpath);
if (!f->fopen(localdstpath, false, true))
{
delete f;
return false;
}
if (!f->fwrite((const byte*)jpeg.data(), unsigned(jpeg.size()), 0))
{
delete f;
return false;
}
delete f;
return true;
}
// load bitmap image, generate all designated sizes, attach to specified upload/node handle
// FIXME: move to a worker thread to keep the engine nonblocking
int GfxProc::gendimensionsputfa(FileAccess* fa, string* localfilename, handle th, SymmCipher* key, int missing)
{
int numputs = 0;
if (isgfx(localfilename))
{
// (this assumes that the width of the largest dimension is max)
if (readbitmap(fa, localfilename, dimensions[sizeof dimensions/sizeof dimensions[0]-1][0]))
{
string* jpeg = NULL;
// successively downscale the original image
for (int i = sizeof dimensions/sizeof dimensions[0]; i--; )
{
if (!jpeg)
{
jpeg = new string;
}
if (missing & (1 << i) && resizebitmap(dimensions[i][0], dimensions[i][1], jpeg))
{
// store the file attribute data - it will be attached to the file
// immediately if the upload has already completed; otherwise, once
// the upload completes
client->putfa(th, (meta_t)i, key, jpeg);
numputs++;
jpeg = NULL;
}
}
if (jpeg)
{
delete jpeg;
}
freebitmap();
}
}
return numputs;
}
