Fix memleak

src/JGL/JGL.cpp

@@ -11,7 +11,6 @@
 
 
 GLuint program;
-GLuint texture;
 
 namespace JGL
 {
@@ -152,17 +151,17 @@ namespace JGL
 
             FT_Set_Pixel_Sizes(face, 0, size);
 
-            const char* c;
-            for (c = text.c_str(); *c; c++)
+            GLuint textures[text.size()];
+            for (int i = 0; i < text.length(); i++)
             {
-                if (FT_Load_Char(face, *c, FT_LOAD_RENDER))
+                if (FT_Load_Char(face, text.c_str()[i], FT_LOAD_RENDER))
                     continue;
 
                 FT_GlyphSlot g = face->glyph;
 
                 glActiveTexture(GL_TEXTURE0);
-                glGenTextures(1, &texture);
-                glBindTexture(GL_TEXTURE_2D, texture);
+                glGenTextures(1, &textures[i]);
+                glBindTexture(GL_TEXTURE_2D, textures[i]);
                 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
                 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
                 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
@@ -200,8 +199,9 @@ namespace JGL
 
                 x += (g->advance.x >> 6) * scale;
                 y += (g->advance.y >> 6) * scale;
-
             }
+            for (auto& t : textures)
+                glDeleteTextures(1, &t);
             glBindTexture(GL_TEXTURE_2D, 0); // Unbind texture
         }
     }
@@ -211,7 +211,6 @@ namespace JGL
     {
         void DrawLine3D(const Color3& color, const Vector3& A, const Vector3& B, float thickness)
         {
-
             glBegin(GL_LINES);
             glLineWidth(thickness);
             glColor3f(color.r/255.f, color.g/255.f, color.b/255.f);
@@ -226,23 +225,24 @@ namespace JGL
             float y = pos.y;
             float z = pos.z;
             GLfloat currentColor[4];
+            GLuint textures[text.size()];
             glGetFloatv(GL_CURRENT_COLOR, currentColor);
             glUseProgram(0); // Fixed-function pipeline.
             glColor4f(color.r, color.g, color.b, 1.0f);
 
             FT_Set_Pixel_Sizes(face, 0, size);
 
-            const char* c;
-            for (c = text.c_str(); *c; c++)
+            //for (c = text.c_str(); *c; c++)
+            for (int i = 0; i < text.length(); i++)
             {
-                if (FT_Load_Char(face, *c, FT_LOAD_RENDER))
+                if (FT_Load_Char(face, text.c_str()[i], FT_LOAD_RENDER))
                     continue;
 
                 FT_GlyphSlot g = face->glyph;
 
                 glActiveTexture(GL_TEXTURE0);
-                glGenTextures(1, &texture);
-                glBindTexture(GL_TEXTURE_2D, texture);
+                glGenTextures(1, &textures[i]);
+                glBindTexture(GL_TEXTURE_2D, textures[i]);
                 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
                 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
                 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
@@ -283,6 +283,10 @@ namespace JGL
                 y += (g->advance.y >> 6) * scale;
 
             }
+
+            for (auto& t : textures)
+                glDeleteTextures(1, &t);
+
             glBindTexture(GL_TEXTURE_2D, 0); // Unbind texture
             glColor4f(currentColor[0], currentColor[1], currentColor[2], currentColor[3]); //Set draw color back to whatever it was before.
         }