Add video and gif support

Gif streams from url.
Todo: Add play controls to video

1 files changed, 47 insertions, 0 deletions

diff --git a/include/Gif.hpp b/include/Gif.hpp
new file mode 100644
index 0000000..1a69a52
--- /dev/null
+++ b/include/Gif.hpp
@@ -0,0 +1,47 @@
+#pragma once
+
+#include "StringView.hpp"
+#include <SFML/Graphics/RenderWindow.hpp>
+#include <SFML/Graphics/Texture.hpp>
+#include <SFML/Graphics/Sprite.hpp>
+#include <SFML/System/Clock.hpp>
+#include <boost/filesystem/path.hpp>
+#include <stdexcept>
+extern "C"
+{
+#include <libnsgif.h>
+}
+
+namespace dchat
+{
+    class GifLoadException : public std::runtime_error
+    {
+    public:
+        GifLoadException(const std::string &errMsg) : std::runtime_error(errMsg) {}
+    };
+    
+    class Gif
+    {
+    public:
+        // Throws GifLoadException on error
+        Gif(const boost::filesystem::path &filepath);
+        Gif(StringView &&fileContent);
+        ~Gif();
+        
+        void setPosition(const sf::Vector2f &position);
+        void setSize(const sf::Vector2f &size);
+        void draw(sf::RenderWindow &window);
+        
+        static bool isDataGif(const StringView &data);
+    private:
+        void init();
+    private:
+        gif_animation gif;
+        StringView fileContent;
+        unsigned int currentFrame;
+        sf::Sprite sprite;
+        sf::Texture texture;
+        double timeElapsedCs;
+        sf::Clock frameTimer;
+    };
+}