(Objective-C) Download Image (JPG, GIF, etc.) to Base64

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Chilkat Objective-C Library Downloads MAC OS X (Cocoa) Libs iOS Libs

#import <CkoHttp.h>
#import <CkoBinData.h>
#import <NSString.h>

BOOL success = NO;

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

CkoHttp *http = [[CkoHttp alloc] init];
http.KeepResponseBody = YES;

CkoBinData *bd = [[CkoBinData alloc] init];

success = [http DownloadBd: @"https://www.chilkatsoft.com/images/starfish.jpg" binData: bd];
int statusCode = [http.LastStatus intValue];
if (success == NO) {
    if (statusCode == 0) {
        // Unable to either send the request or get the response.
        NSLog(@"%@",http.LastErrorText);
    }
    else {
        // We got a response, but the status code was not in the 200s
        NSLog(@"%@%d",@"Response status code: ",statusCode);
        // Examine the response body.
        NSLog(@"%@",@"Response body:");
        NSLog(@"%@",http.LastResponseBody);
    }

    NSLog(@"%@",@"Download failed.");

}
else {
    NSLog(@"%@%d",@"Download success, response status = ",statusCode);

    NSString *base64_image_data = [bd GetEncoded: @"base64"];
    NSLog(@"%@",@"image data in base64 format:");
    NSLog(@"%@",base64_image_data);
}