Added generate_base64()

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required (VERSION 3.2)
 project(identiconpp
-        VERSION 0.4.0
+        VERSION 0.5.0
         LANGUAGES CXX
 )
 

README.md

@@ -41,6 +41,7 @@ The "sigil" algorithm generates the same results as
 
 ```C++
 // Compile with g++ $(Magick++-config --cppflags --ldflags) -lidenticonpp
+#include <iostream>
 #include <identiconpp.hpp>
 #include <Magick++/Image.h>
 
@@ -51,6 +52,8 @@ int main()
     Magick::Image img;
     img = identicon.generate("55502f40dc8b7c769880b10874abc9d0", 200);
     img.write("identicon.png");
+
+    std::cout << identicon.generate_base64("png", "5550", 200) << std::endl;
 }
 ```
 

src/identiconpp.cpp

@@ -18,6 +18,7 @@
 #include <stdexcept>
 #include <sstream>
 #include <cmath>
+#include <Magick++/Blob.h>
 #include "identiconpp.hpp"
 #include "debug.hpp"
 
@@ -95,6 +96,17 @@ Magick::Image Identiconpp::generate(const string &digest, const uint16_t width)
     return img;
 }
 
+const string Identiconpp::generate_base64(const string &magick,
+                                          const string &digest,
+                                          const uint16_t width)
+{
+    Magick::Image img = generate(digest, width);
+    Magick::Blob blob;
+    img.magick(magick);
+    img.write(&blob);
+    return blob.base64();
+}
+
 bool Identiconpp::get_bit(const uint16_t bit, const string &digest)
 {
     std::stringstream ss;

src/identiconpp.hpp

@@ -90,6 +90,18 @@ public:
      */
     Magick::Image generate(const string &digest, const uint16_t width = 100);
 
+    /*!
+     *  @brief  Generates identicon from digest.
+     *
+     *  @param  magick  See http://imagemagick.org/script/formats.php
+     *  @param  digest  The pre-computed digest
+     *  @param  width   The width of the image in pixels
+     *
+     *  @return The image as base64-string
+     */
+    const string generate_base64(const string &magick, const string &digest,
+                                 const uint16_t width = 100);
+
 private:
     const uint8_t _rows;
     const uint8_t _columns;