Port from git

Source/Graphics/Component/Image.cpp

@@ -0,0 +1,75 @@
+/* This file is subject to the terms and conditions defined in
+ * file 'LICENSE.txt', which is part of this source code package.
+ */
+#include "Image.h"
+#include "../ViewInfo.h"
+#include "../../SDL.h"
+#include "../../Utility/Log.h"
+#include <SDL2/SDL_image.h>
+
+Image::Image(std::string file, float scaleX, float scaleY)
+: Texture(NULL)
+, File(file)
+, ScaleX(scaleX)
+, ScaleY(scaleY)
+{
+   AllocateGraphicsMemory();
+}
+
+Image::~Image()
+{
+   FreeGraphicsMemory();
+}
+
+void Image::FreeGraphicsMemory()
+{
+   Component::FreeGraphicsMemory();
+
+   SDL_LockMutex(SDL::GetMutex());
+   if (Texture != NULL)
+   {
+      SDL_DestroyTexture(Texture);
+      Texture = NULL;
+   }
+   SDL_UnlockMutex(SDL::GetMutex());
+}
+
+void Image::AllocateGraphicsMemory()
+{
+   int width;
+   int height;
+
+   Component::AllocateGraphicsMemory();
+
+   if(!Texture)
+   {
+      SDL_LockMutex(SDL::GetMutex());
+      Texture = IMG_LoadTexture(SDL::GetRenderer(), File.c_str());
+
+      if (Texture != NULL)
+      {
+         SDL_SetTextureBlendMode(Texture, SDL_BLENDMODE_BLEND);
+         SDL_QueryTexture(Texture, NULL, NULL, &width, &height);
+         GetBaseViewInfo()->SetImageWidth(width * ScaleX);
+         GetBaseViewInfo()->SetImageHeight(height * ScaleY);
+      }
+      SDL_UnlockMutex(SDL::GetMutex());
+
+   }
+}
+
+void Image::Draw()
+{
+   if(Texture)
+   {
+      ViewInfo *info = GetBaseViewInfo();
+      SDL_Rect rect;
+
+      rect.x = static_cast<int>(info->GetXRelativeToOrigin());
+      rect.y = static_cast<int>(info->GetYRelativeToOrigin());
+      rect.h = static_cast<int>(info->GetHeight());
+      rect.w = static_cast<int>(info->GetWidth());
+
+      SDL::RenderCopy(Texture, static_cast<char>((info->GetTransparency() * 255)), NULL, &rect, info->GetAngle());
+   }
+}