teiten hacks in objc

gistfile1

+(NSData*)dumpCGImage:(CGImageRef)cgImage offset:(CGPoint)offset imageSize:(CGSize)imageSize {
	CGDataProviderRef dataProvider = CGImageGetDataProvider(cgImage);
	CFDataRef data = CGDataProviderCopyData(dataProvider);
	
	//	int length = CFDataGetLength(data);
	const UInt8* buffer = CFDataGetBytePtr(data);
	
	int width = imageSize.width;
	//	int height = imageSize.height;
	char* bf = (char*)malloc((161*121*(3+6)) + 256);
	char* p = bf;
	int n = sprintf(bf, "colors=");
	p += n;
	
	// teiten expects x,y order and 
	// UIImage bitmap is serialized y,x order.
	for ( int  x = 0; x < 160; x++ ) {
		for ( int  y = 0; y < 121; y++ ) {
			int t = (y + offset.y) * width + x + offset.x;
			const ARGB* pixel = (const ARGB*)(buffer + t * sizeof(ARGB));
			
			n = sprintf(p, "%02x%02x%02x%%2C", 
						pixel->r,
						pixel->g,
						pixel->b
						);
			p += n;
		}
	}
	
	p-= 3; // length of "%2C"
	sprintf(p, "&h=120&w=160");
	
	NSString* d = [[[NSString alloc] initWithUTF8String:bf] autorelease];
	id body = [d dataUsingEncoding:NSUTF8StringEncoding];
	
	free(bf);
	return body;
}

void post_to_teiten(UIImage* fullsizeimage) {
	CGPoint offset;
	float scale;
	int x, y;
	if ( isPortrait() ) {
		scale = 0.5;
		offset = CGPointMake(0, 60);
		x = 320 * scale;
		y = 480 * scale;
	} else {
		scale = 0.4;
		offset = CGPointMake(16, 4);
		x = 480 * scale;
		y = 320 * scale;
	}
	if ( 1 ) {
		UIGraphicsBeginImageContext(CGSizeMake(x, y));
		[fullsizeimage drawInRect:CGRectMake(0, 0, x, y)];
		UIImage* img = UIGraphicsGetImageFromCurrentImageContext();  
		
		NSData* body = [NTLNAppDelegate  dumpCGImage:img.CGImage offset:offset imageSize:CGSizeMake(x,y)];
		UIGraphicsEndImageContext();
		
		
		//		NSURL *u = [NSURL URLWithString:@"http://ido.nu/kuma/t.php"];
		NSURL *u = [NSURL URLWithString:@"http://teiten.org/snapshot.php"];
		NSMutableURLRequest* request = [NSMutableURLRequest requestWithURL:u];
		
		[request setHTTPBody:body];
		[request setHTTPMethod:@"POST"];
		NSURLResponse* response;
		NSError* error;
		[NSURLConnection sendSynchronousRequest:request
							  returningResponse:&response error:&error];
	}
}

-(id)loginAccount:(NSString*)account password:(NSString*)password {
	NSURL* url = [NSURL URLWithString:@"http://teiten.org/signin"];
	NSMutableURLRequest* req = [NSMutableURLRequest requestWithURL:url];
	[req setHTTPMethod:@"POST"];
	
	NSString* body = [NSString stringWithFormat:@"account=%@&password=%@&mode=submit", account, password];
	[req setHTTPBody:[body dataUsingEncoding:NSUTF8StringEncoding]];
	
	NSHTTPURLResponse* response;
	NSError * error;
	id data = [NSURLConnection sendSynchronousRequest:req returningResponse:&response error:&error];
	
	if ( [response statusCode] == 200 ) {
		return nil;
	} else {
		return data;
	}
}