TgaImporter: adapted to Magnum changes.

Not storing image name inside ImageData greatly simplifies the
implementation. Also using `override` keyword where possible.

src/Plugins/TgaImporter/TgaImporter.cpp

@@ -30,18 +30,18 @@ namespace Magnum { namespace Trade { namespace TgaImporter {
 static_assert(sizeof(TgaImporter::Header) == 18, "TgaImporter: header size is not 18 bytes");
 #endif
 
-bool TgaImporter::TgaImporter::open(const std::string& filename, const std::string& name) {
+bool TgaImporter::TgaImporter::open(const std::string& filename) {
     std::ifstream in(filename.c_str());
     if(!in.good()) {
         Error() << "TgaImporter: cannot open file" << filename;
         return false;
     }
-    bool status = open(in, name);
+    bool status = open(in);
     in.close();
     return status;
 }
 
-bool TgaImporter::open(std::istream& in, const std::string& name) {
+bool TgaImporter::open(std::istream& in) {
     if(_image) close();
     if(!in.good()) {
         Error() << "TgaImporter: cannot read input stream";
@@ -113,7 +113,7 @@ bool TgaImporter::open(std::istream& in, const std::string& name) {
     }
     #endif
 
-    _image = new ImageData2D(name, dimensions, format, ImageData2D::Type::UnsignedByte, buffer);
+    _image = new ImageData2D(dimensions, format, ImageData2D::Type::UnsignedByte, buffer);
     return true;
 }
 

src/Plugins/TgaImporter/TgaImporter.h

@@ -44,28 +44,14 @@ class TGAIMPORTER_EXPORT TgaImporter: public AbstractImporter {
         TgaImporter(Corrade::PluginManager::AbstractPluginManager* manager = 0, const std::string& plugin = ""): AbstractImporter(manager, plugin), _image(nullptr) {}
         inline virtual ~TgaImporter() { close(); }
 
-        inline Features features() const { return Feature::OpenFile|Feature::OpenStream; }
+        inline Features features() const override { return Feature::OpenFile|Feature::OpenStream; }
 
-        /**
+        bool open(std::istream& in) override;
-         * @brief Open input stream with specific image name
+        bool open(const std::string& filename) override;
-         *
+        void close() override;
-         * @see open(std::istream&), ImageData2D::name()
-         */
-        bool open(std::istream& in, const std::string& name);
-        inline bool open(std::istream& in) { return open(in, ""); }
 
-        /**
+        std::uint32_t image2DCount() const override { return _image ? 1 : 0; }
-         * @brief Open file with specific image name
+        ImageData2D* image2D(std::uint32_t id) override;
-         *
-         * @see open(const std::string&), ImageData2D::name()
-         */
-        bool open(const std::string& filename, const std::string& name);
-        inline bool open(const std::string& filename) { return open(filename, ""); }
-
-        void close();
-
-        inline std::uint32_t image2DCount() const { return _image ? 1 : 0; }
-        ImageData2D* image2D(std::uint32_t id);
 
         #pragma pack(1)
         /** @brief TGA file header */