diff --git a/examples_for_PC/CMake_SDL/CMakeSettings.json b/examples_for_PC/CMake_SDL/CMakeSettings.json
index 944b5676..ff73fb74 100644
--- a/examples_for_PC/CMake_SDL/CMakeSettings.json
+++ b/examples_for_PC/CMake_SDL/CMakeSettings.json
@@ -5,8 +5,19 @@
       "generator": "Ninja",
       "configurationType": "Debug",
       "inheritEnvironments": [ "clang_cl_x64_x64" ],
-      "buildRoot": "${projectDir}\\out\\build\\${name}",
-      "installRoot": "${projectDir}\\out\\install\\${name}",
+      "buildRoot": "${projectDir}\\.out\\build\\${name}",
+      "installRoot": "${projectDir}\\.out\\install\\${name}",
+      "cmakeCommandArgs": "",
+      "buildCommandArgs": "",
+      "ctestCommandArgs": ""
+    },
+    {
+      "name": "x64-Release",
+      "generator": "Ninja",
+      "configurationType": "Release",
+      "inheritEnvironments": [ "clang_cl_x64_x64" ],
+      "buildRoot": "${projectDir}\\.out\\build\\${name}",
+      "installRoot": "${projectDir}\\.out\\install\\${name}",
       "cmakeCommandArgs": "",
       "buildCommandArgs": "",
       "ctestCommandArgs": ""
diff --git a/library.json b/library.json
index 139bafa0..27a9e08e 100644
--- a/library.json
+++ b/library.json
@@ -12,8 +12,8 @@
     "url": "https://github.com/lovyan03/LovyanGFX.git"
   },
   "version": "1.1.7",
-  "frameworks": ["arduino", "espidf"],
-  "platforms": ["espressif32", "espressif8266", "atmelsam"],
+  "frameworks": ["arduino", "espidf", "*"],
+  "platforms": ["espressif32", "espressif8266", "atmelsam", "native"],
   "headers": "LovyanGFX.hpp",
   "build": {
     "libArchive": false
diff --git a/src/lgfx/Fonts/IPA/lgfx_font_japan.c b/src/lgfx/Fonts/IPA/lgfx_font_japan.c
index 92469cf6..b14ba7e7 100644
--- a/src/lgfx/Fonts/IPA/lgfx_font_japan.c
+++ b/src/lgfx/Fonts/IPA/lgfx_font_japan.c
@@ -1,4 +1,4 @@
-#include <stdint.h>
+#include "lgfx_font_japan.h"
 #if defined ( ARDUINO ) && !defined ( PROGMEM )
  #if __has_include(<pgmspace.h>)
   #include <pgmspace.h>
diff --git a/src/lgfx/Fonts/efont/lgfx_efont_cn.c b/src/lgfx/Fonts/efont/lgfx_efont_cn.c
index 28341f6c..8a3b509c 100644
--- a/src/lgfx/Fonts/efont/lgfx_efont_cn.c
+++ b/src/lgfx/Fonts/efont/lgfx_efont_cn.c
@@ -1,4 +1,4 @@
-#include <stdint.h>
+#include "lgfx_efont_cn.h"
 #if defined ( ARDUINO ) && !defined ( PROGMEM )
  #if __has_include(<pgmspace.h>)
   #include <pgmspace.h>
diff --git a/src/lgfx/Fonts/efont/lgfx_efont_ja.c b/src/lgfx/Fonts/efont/lgfx_efont_ja.c
index 93ba25fc..277faf15 100644
--- a/src/lgfx/Fonts/efont/lgfx_efont_ja.c
+++ b/src/lgfx/Fonts/efont/lgfx_efont_ja.c
@@ -1,4 +1,4 @@
-#include <stdint.h>
+#include "lgfx_efont_ja.h"
 #if defined ( ARDUINO ) && !defined ( PROGMEM )
  #if __has_include(<pgmspace.h>)
   #include <pgmspace.h>
diff --git a/src/lgfx/Fonts/efont/lgfx_efont_kr.c b/src/lgfx/Fonts/efont/lgfx_efont_kr.c
index 0345a6d7..c18d2b94 100644
--- a/src/lgfx/Fonts/efont/lgfx_efont_kr.c
+++ b/src/lgfx/Fonts/efont/lgfx_efont_kr.c
@@ -1,4 +1,4 @@
-#include <stdint.h>
+#include "lgfx_efont_kr.h"
 #if defined ( ARDUINO ) && !defined ( PROGMEM )
  #if __has_include(<pgmspace.h>)
   #include <pgmspace.h>
diff --git a/src/lgfx/Fonts/efont/lgfx_efont_tw.c b/src/lgfx/Fonts/efont/lgfx_efont_tw.c
index 11690427..dd296bef 100644
--- a/src/lgfx/Fonts/efont/lgfx_efont_tw.c
+++ b/src/lgfx/Fonts/efont/lgfx_efont_tw.c
@@ -1,4 +1,4 @@
-#include <stdint.h>
+#include "lgfx_efont_tw.h"
 #if defined ( ARDUINO ) && !defined ( PROGMEM )
  #if __has_include(<pgmspace.h>)
   #include <pgmspace.h>
diff --git a/src/lgfx/v1/Panel.hpp b/src/lgfx/v1/Panel.hpp
index 698542ae..49ede767 100644
--- a/src/lgfx/v1/Panel.hpp
+++ b/src/lgfx/v1/Panel.hpp
@@ -23,8 +23,10 @@ Original Source:
 #include <alloca.h>
 #else
 #include <malloc.h>
+#ifndef alloca
 #define alloca _alloca
 #endif
+#endif
 
 #include "misc/enum.hpp"
 #include "misc/colortype.hpp"
diff --git a/src/lgfx/v1/lgfx_filesystem_support.hpp b/src/lgfx/v1/lgfx_filesystem_support.hpp
index bae6e0fa..5fadf95f 100644
--- a/src/lgfx/v1/lgfx_filesystem_support.hpp
+++ b/src/lgfx/v1/lgfx_filesystem_support.hpp
@@ -31,7 +31,9 @@ Original Source:
  #include <alloca.h>
 #else
  #include <malloc.h>
+ #ifndef alloca
  #define alloca _alloca
+ #endif
 #endif
 
 namespace lgfx
diff --git a/src/lgfx/v1/misc/colortype.hpp b/src/lgfx/v1/misc/colortype.hpp
index fb35f7d4..c3d7786f 100644
--- a/src/lgfx/v1/misc/colortype.hpp
+++ b/src/lgfx/v1/misc/colortype.hpp
@@ -417,7 +417,7 @@ namespace lgfx
     static constexpr color_depth_t depth = argb8888_4Byte;
     constexpr bgra8888_t(void) : raw{0} {};
     constexpr bgra8888_t(const bgra8888_t&) = default;
-    constexpr bgra8888_t(uint8_t r8, uint8_t g8, uint8_t b8) : r(r8), g(g8), b(b8) {}
+    constexpr bgra8888_t(uint8_t r8, uint8_t g8, uint8_t b8) : a(255), r(r8), g(g8), b(b8) {}
     constexpr bgra8888_t(uint8_t a8, uint8_t r8, uint8_t g8, uint8_t b8) : a(a8), r(r8), g(g8), b(b8) {}
     constexpr bgra8888_t(uint32_t bgra8888) : raw(bgra8888) {}
     inline bgra8888_t& operator=(uint32_t rhs) { *reinterpret_cast<uint32_t*>(this) = rhs; return *this; }
diff --git a/src/lgfx/v1/panel/Panel_FrameBufferBase.hpp b/src/lgfx/v1/panel/Panel_FrameBufferBase.hpp
index a577b0ec..b69930f0 100644
--- a/src/lgfx/v1/panel/Panel_FrameBufferBase.hpp
+++ b/src/lgfx/v1/panel/Panel_FrameBufferBase.hpp
@@ -59,7 +59,7 @@ namespace lgfx
     uint32_t readData(uint_fast8_t, uint_fast8_t) override { return 0; }
 
     void readRect(uint_fast16_t x, uint_fast16_t y, uint_fast16_t w, uint_fast16_t h, void* dst, pixelcopy_t* param) override;
-    void copyRect(uint_fast16_t dst_x, uint_fast16_t dst_y, uint_fast16_t w, uint_fast16_t h, uint_fast16_t src_x, uint_fast16_t src_y);
+    void copyRect(uint_fast16_t dst_x, uint_fast16_t dst_y, uint_fast16_t w, uint_fast16_t h, uint_fast16_t src_x, uint_fast16_t src_y) override;
 
   protected:
     uint8_t** _lines_buffer = nullptr;
diff --git a/src/lgfx/v1/platforms/sdl/Panel_sdl.cpp b/src/lgfx/v1/platforms/sdl/Panel_sdl.cpp
index ba0ea1ce..a16bd54c 100644
--- a/src/lgfx/v1/platforms/sdl/Panel_sdl.cpp
+++ b/src/lgfx/v1/platforms/sdl/Panel_sdl.cpp
@@ -87,15 +87,32 @@ namespace lgfx
 
   int quit_filter(void * userdata, SDL_Event * event)
   {
-    Panel_sdl *sdl = (Panel_sdl *)userdata;
+//  Panel_sdl *sdl = (Panel_sdl *)userdata;
 
     if(event->type == SDL_WINDOWEVENT) {
       if(event->window.event == SDL_WINDOWEVENT_CLOSE) {
-        sdl->sdl_quit();
+        auto monitor = getMonitorByWindowID(event->window.windowID);
+        if (monitor) {
+          SDL_DestroyTexture(monitor->texture);
+          SDL_DestroyRenderer(monitor->renderer);
+          SDL_DestroyWindow(monitor->window);
+          _list_monitor.remove(monitor);
+          if (_list_monitor.empty()) {
+            SDL_Quit();
+            exit(0);
+          }
+        }
       }
     }
     else if(event->type == SDL_QUIT) {
-      sdl->sdl_quit();
+      for (auto& m : _list_monitor)
+      {
+        SDL_DestroyTexture(m->texture);
+        SDL_DestroyRenderer(m->renderer);
+        SDL_DestroyWindow(m->window);
+      }
+      SDL_Quit();
+      exit(0);
     }
 
     return 1;
@@ -672,15 +689,6 @@ namespace lgfx
     SDL_RenderPresent(m->renderer);
   }
 
-  void Panel_sdl::sdl_quit(void)
-  {
-    SDL_DestroyTexture(monitor.texture);
-    SDL_DestroyRenderer(monitor.renderer);
-    SDL_DestroyWindow(monitor.window);
-
-    SDL_Quit();
-    exit(0);
-  }
 //----------------------------------------------------------------------------
  }
 }
diff --git a/src/lgfx/v1/platforms/sdl/Panel_sdl.hpp b/src/lgfx/v1/platforms/sdl/Panel_sdl.hpp
index 9fc942ec..9f8ea4f1 100644
--- a/src/lgfx/v1/platforms/sdl/Panel_sdl.hpp
+++ b/src/lgfx/v1/platforms/sdl/Panel_sdl.hpp
@@ -43,6 +43,17 @@ namespace lgfx
     bool touched = false;
     int touch_x, touch_y;
   };
+//----------------------------------------------------------------------------
+
+  struct Touch_sdl : public ITouch
+  {
+    bool init(void) override { return true; }
+    void wakeup(void) override {}
+    void sleep(void) override {}
+    bool isEnable(void) override { return true; };
+    uint_fast8_t getTouchRaw(touch_point_t* tp, uint_fast8_t count) override { return 0; }
+  };
+
 //----------------------------------------------------------------------------
 
   struct Panel_sdl : public Panel_Device
@@ -82,8 +93,6 @@ namespace lgfx
     void copyRect(uint_fast16_t dst_x, uint_fast16_t dst_y, uint_fast16_t w, uint_fast16_t h, uint_fast16_t src_x, uint_fast16_t src_y) override;
 
     uint_fast8_t getTouchRaw(touch_point_t* tp, uint_fast8_t count) override;
-    void sdl_quit(void);
-
 
     void setScaling(uint_fast8_t scaling_x, uint_fast8_t scaling_y);
 
diff --git a/src/lgfx/v1/platforms/sdl/common.hpp b/src/lgfx/v1/platforms/sdl/common.hpp
index 6d94da22..95af9118 100644
--- a/src/lgfx/v1/platforms/sdl/common.hpp
+++ b/src/lgfx/v1/platforms/sdl/common.hpp
@@ -77,7 +77,7 @@ namespace lgfx
       need_transaction = false;
     }
     FILE* _fp;
-    bool open(const char* path) override { return (_fp = fopen(path, "rb")); }
+    bool open(const char* path) override { return (0 == fopen_s(&_fp, path, "rb")); }
     int read(uint8_t *buf, uint32_t len) override { return fread((char*)buf, 1, len, _fp); }
     void skip(int32_t offset) override { seek(offset, SEEK_CUR); }
     bool seek(uint32_t offset) override { return seek(offset, SEEK_SET); }