Add support for static image emoji

Emoji are downloaded asynchronously using remote program (curl).
Need to add support for converting [inline](url) chat message emoji
and gifs.

1 files changed, 23 insertions, 2 deletions

diff --git a/src/ResourceCache.cpp b/src/ResourceCache.cpp
index 474360c..4bdd75d 100644
--- a/src/ResourceCache.cpp
+++ b/src/ResourceCache.cpp
@@ -1,12 +1,12 @@
 #include "../include/ResourceCache.hpp"
 #include <unordered_map>
-#include <stdexcept>
 
 using namespace std;
 
 namespace dchat
 {
     unordered_map<string, sf::Font*> fonts;
+    unordered_map<string, sf::Texture*> textures;
     
     const sf::Font& ResourceCache::getFont(const string &filepath)
     {
@@ -20,10 +20,31 @@ namespace dchat
             delete font;
             string errMsg = "Failed to load font: ";
             errMsg += filepath;
-            throw runtime_error(errMsg);
+            throw FailedToLoadResourceException(errMsg);
         }
         
         fonts[filepath] = font;
         return *font;
     }
+    
+    const sf::Texture* ResourceCache::getTexture(const string &filepath)
+    {
+        auto it = textures.find(filepath);
+        if(it != textures.end())
+            return it->second;
+        
+        sf::Texture *texture = new sf::Texture();
+        if(!texture->loadFromFile(filepath))
+        {
+            delete texture;
+            string errMsg = "Failed to load texture: ";
+            errMsg += filepath;
+            throw FailedToLoadResourceException(errMsg);
+        }
+        
+        texture->setSmooth(true);
+        texture->generateMipmap();
+        textures[filepath] = texture;
+        return texture;
+    }
 }