API for setting profile name for PNGs

include/exiv2/image.hpp

@@ -192,7 +192,7 @@ class EXIV2API Image {
    */
   virtual void setIccProfile(DataBuf&& iccProfile, bool bTestValid = true);
   /*!
-    @brief Erase iccProfile. the profile is not removed from
+    @brief Erase iccProfile. The profile is not removed from
         the actual image until the writeMetadata() method is called.
    */
   virtual void clearIccProfile();

include/exiv2/pngimage.hpp

@@ -53,6 +53,20 @@ class EXIV2API PngImage : public Image {
     @warning This function is not thread safe and intended for exiv2 -pS for debugging.
    */
   void printStructure(std::ostream& out, PrintStructureOption option, size_t depth) override;
+  /*!
+    @brief Set the image iccProfile. The new profile is not written
+        to the image until the writeMetadata() method is called.
+    @param iccProfile DataBuf containing profile (binary)
+    @param bTestValid - tests that iccProfile contains credible data
+    @param profileName Name for referring to the profile
+   */
+  void setIccProfile(DataBuf&& iccProfile, bool bTestValid = true,
+                     const std::string& profileName = std::string("ICC Profile"));
+  /*!
+    @brief Erase iccProfile. The profile is not removed from
+        the actual image until the writeMetadata() method is called.
+   */
+  void clearIccProfile() override;
   //@}
 
   //! @name Accessors

src/pngimage.cpp

@@ -373,6 +373,16 @@ void PngImage::printStructure(std::ostream& out, PrintStructureOption option, si
   }
 }
 
+void PngImage::setIccProfile(DataBuf&& iccProfile, bool bTestValid, const std::string& profileName) {
+  profileName_ = profileName;
+  Image::setIccProfile(std::move(iccProfile), bTestValid);
+}
+
+void PngImage::clearIccProfile() {
+  profileName_ = std::string("ICC Profile");
+  Image::clearIccProfile();
+}
+
 void readChunk(DataBuf& buffer, BasicIo& io) {
 #ifdef EXIV2_DEBUG_MESSAGES
   std::cout << "Exiv2::PngImage::readMetadata: Position: " << io.tell() << std::endl;