bool Image::loadFromFile(String fileName)
{
complete = false;
std::vector<uint8_t>* bytes;
static String b64("data:image/png;base64,");
if (fileName.size() > b64.size() && String(fileName.begin(), fileName.begin() + b64.size()) == b64)
{
// Read image from Base64 encoded URL
bytes = fromBase64(fileName.c_str() + b64.size());
complete = loadFromBuffer(bytes->data(), bytes->size());
delete bytes;
__BGRA = false;
}
else
{
CocoAssetFile* file = CocoAssetFile::open(fileName);
if (file)
{
complete = loadFromBuffer(file->getData(), file->bytesLength());
delete file;
}
}
if (complete)
src = fileName;
return complete;
}
void XMLHttpRequest::open(String method, String url, bool async)
{
status = UNSENT;
statusText = "";
responseType = "";
responseText = "";
response = nullptr;
dataAvailable = false;
this->async = async;
if(url.at(0)=='.')
{
// Hack for reading local files
CocoAssetFile* file = CocoAssetFile::open(url.c_str());
if(file)
{
response = new ArrayBuffer(file->getData(), file->bytesLength());
// Set response flags
status = 200;
statusText = "OK";
dataAvailable = true;
responseType = "arraybuffer";
responseURL = String("file:///") + file->fileName;
responseText = String( (const char*) file->getData());
readyState=DONE;
delete file;
}
}
else
{
// Start a libcurl easy session
curl = curl_easy_init();
// Store "this" as a private pointer to curl
curl_easy_setopt(curl, CURLOPT_PRIVATE, static_cast<void*>(this));
// Set http method
std::transform(method.begin(), method.end(), method.begin(), ::toupper);
if(method=="GET") curl_easy_setopt(curl, CURLOPT_HTTPGET, 1);
else if(method=="POST") curl_easy_setopt(curl, CURLOPT_HTTPPOST, 1);
// Set url
curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
// skip all signal handling
curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
// follow HTTP 3xx redirects
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
// set user agent
curl_easy_setopt(curl, CURLOPT_USERAGENT, APPNAME);
// set callback for writing received data
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, curl_callback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, static_cast<void*>(&responseDataBuffer));
// set callback for writing received header data
curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, curl_callback);
curl_easy_setopt(curl, CURLOPT_WRITEHEADER, static_cast<void*>(&responseHeadersBuffer));
responseURL = url;
readyState = OPENED;
}
}
