From a2a3e493c59bfeae71b2cd08c894be675c521543 Mon Sep 17 00:00:00 2001
From: kiritow <1362050620@qq.com>
Date: Wed, 12 Apr 2017 09:50:12 +0800
Subject: [PATCH] Add Rendering-like functions in class Surface

---
 MiniEngine.cpp | 29 +++++++++++++++++++++++++++++
 MiniEngine.h   |  6 ++++++
 2 files changed, 35 insertions(+)

diff --git a/MiniEngine.cpp b/MiniEngine.cpp
index f0fd209..3177b97 100644
--- a/MiniEngine.cpp
+++ b/MiniEngine.cpp
@@ -266,6 +266,35 @@ namespace MiniEngine
         return IMG_SavePNG(_get(),filename.c_str());
     }
 
+    int Surface::blit(Surface s,Rect src,Rect dst)
+    {
+        SDL_Rect rsrc=src.toSDLRect();
+        SDL_Rect rdst=dst.toSDLRect();
+        return SDL_BlitSurface(s._get(),&rsrc,_get(),&rdst);
+    }
+
+    int Surface::blitTo(Surface s,Rect dst)
+    {
+        SDL_Rect rdst=dst.toSDLRect();
+        return SDL_BlitSurface(s._get(),NULL,_get(),&rdst);
+    }
+
+    int Surface::blitTo(Surface s,Point lupoint)
+    {
+        return blitTo(s,Rect(lupoint.x,lupoint.y,s.getw(),s.geth()));
+    }
+
+    int Surface::blitFill(Surface s,Rect src)
+    {
+        SDL_Rect rsrc=src.toSDLRect();
+        return SDL_BlitSurface(s._get(),&rsrc,_get(),NULL);
+    }
+
+    int Surface::blitFullFill(Surface s)
+    {
+        return SDL_BlitSurface(s._get(),NULL,_get(),NULL);
+    }
+
     void Texture::_set(SDL_Texture* p)//private
     {
         _text.reset(p,SDL_DestroyTexture);
diff --git a/MiniEngine.h b/MiniEngine.h
index 6a9ee1b..32830fd 100644
--- a/MiniEngine.h
+++ b/MiniEngine.h
@@ -100,6 +100,12 @@ namespace MiniEngine
         int geth();
         BlendMode getBlendMode();
         int setBlendMode(BlendMode mode);
+
+        int blit(Surface s,Rect src,Rect dst);
+        int blitTo(Surface t, Rect dst);
+		int blitTo(Surface t, Point lupoint);
+		int blitFill(Surface t, Rect src);
+		int blitFullFill(Surface t);
 	protected:
 		Surface() = default;
 	private: