From c27041877438b58d7b9e64401ca749791b7cfc51 Mon Sep 17 00:00:00 2001
From: Nomango <569629550@qq.com>
Date: Wed, 13 Mar 2019 15:48:25 +0800
Subject: [PATCH] add String::copy

refactoring
---
 project/Box2DSample/Box2DSample.vcxproj       |   8 +-
 project/Easy2D/Easy2D.vcxproj                 | 250 +++++++++---------
 project/Easy2D/Easy2D.vcxproj.filters         | 250 +++++++++---------
 project/HelloWorld/HelloWorld.vcxproj         |   8 +-
 project/ImGuiSample/ImGuiSample.vcxproj       |  22 +-
 .../ImGuiSample/ImGuiSample.vcxproj.filters   |  14 +-
 project/ImGuiSample/main.cpp                  |   2 +-
 project/Samples/Samples.vcxproj               |   9 +-
 .../easy2d-imgui/ImGuiLayer.cpp               |   0
 .../easy2d-imgui/ImGuiLayer.h                 |   0
 .../easy2d-imgui/ImGuiView.cpp                |   0
 .../easy2d-imgui/ImGuiView.h                  |   0
 .../easy2d-imgui/easy2d-imgui.h               |   0
 .../easy2d-imgui/imgui_impl_dx11.cpp          |   0
 .../easy2d-imgui/imgui_impl_dx11.h            |   0
 src/{ => easy2d}/audio/Music.cpp              |   0
 src/{ => easy2d}/audio/Music.h                |   0
 src/{ => easy2d}/audio/Player.cpp             |   0
 src/{ => easy2d}/audio/Player.h               |   0
 src/{ => easy2d}/audio/Transcoder.cpp         |   0
 src/{ => easy2d}/audio/Transcoder.h           |   0
 src/{ => easy2d}/audio/Voice.cpp              |   0
 src/{ => easy2d}/audio/Voice.h                |   0
 src/{ => easy2d}/audio/audio-modules.cpp      |   0
 src/{ => easy2d}/audio/audio-modules.h        |   0
 src/{ => easy2d}/audio/audio.cpp              |   0
 src/{ => easy2d}/audio/audio.h                |   0
 src/{ => easy2d}/common/Array.h               |   0
 src/{ => easy2d}/common/ComPtr.hpp            |   0
 src/{ => easy2d}/common/IntrusiveList.hpp     |   0
 src/{ => easy2d}/common/IntrusivePtr.hpp      |   0
 src/{ => easy2d}/common/Singleton.hpp         |   0
 src/{ => easy2d}/common/String.cpp            |   0
 src/{ => easy2d}/common/String.h              |   2 +
 src/{ => easy2d}/common/closure.hpp           |   0
 src/{ => easy2d}/common/noncopyable.hpp       |   0
 src/{ => easy2d}/config.h                     |   0
 src/{ => easy2d}/core/Action.cpp              |   0
 src/{ => easy2d}/core/Action.h                |   0
 src/{ => easy2d}/core/ActionGroup.cpp         |   0
 src/{ => easy2d}/core/ActionGroup.h           |   0
 src/{ => easy2d}/core/ActionHelper.h          |   0
 src/{ => easy2d}/core/ActionManager.cpp       |   0
 src/{ => easy2d}/core/ActionManager.h         |   0
 src/{ => easy2d}/core/ActionTween.cpp         |   0
 src/{ => easy2d}/core/ActionTween.h           |   0
 src/{ => easy2d}/core/Animation.cpp           |   0
 src/{ => easy2d}/core/Animation.h             |   0
 src/{ => easy2d}/core/Application.cpp         |   0
 src/{ => easy2d}/core/Application.h           |   0
 src/{ => easy2d}/core/Canvas.cpp              |   0
 src/{ => easy2d}/core/Canvas.h                |   0
 src/{ => easy2d}/core/Color.cpp               |   0
 src/{ => easy2d}/core/Color.h                 |   0
 src/{ => easy2d}/core/Component.h             |   0
 src/{ => easy2d}/core/DebugNode.cpp           |   0
 src/{ => easy2d}/core/DebugNode.h             |   0
 src/{ => easy2d}/core/Event.hpp               |   0
 src/{ => easy2d}/core/EventDispatcher.cpp     |   0
 src/{ => easy2d}/core/EventDispatcher.h       |   0
 src/{ => easy2d}/core/EventListener.cpp       |   0
 src/{ => easy2d}/core/EventListener.h         |   0
 src/{ => easy2d}/core/Font.hpp                |   0
 src/{ => easy2d}/core/Frames.cpp              |   0
 src/{ => easy2d}/core/Frames.h                |   0
 src/{ => easy2d}/core/Geometry.cpp            |   0
 src/{ => easy2d}/core/Geometry.h              |   0
 src/{ => easy2d}/core/GeometryNode.cpp        |   0
 src/{ => easy2d}/core/GeometryNode.h          |   0
 src/{ => easy2d}/core/Image.cpp               |   0
 src/{ => easy2d}/core/Image.h                 |   0
 src/{ => easy2d}/core/Input.cpp               |   0
 src/{ => easy2d}/core/Input.h                 |   0
 src/{ => easy2d}/core/Layer.cpp               |   0
 src/{ => easy2d}/core/Layer.h                 |   0
 src/{ => easy2d}/core/Node.cpp                |   0
 src/{ => easy2d}/core/Node.h                  |   0
 src/{ => easy2d}/core/Object.cpp              |   0
 src/{ => easy2d}/core/Object.h                |   0
 src/{ => easy2d}/core/RefCounter.hpp          |   0
 src/{ => easy2d}/core/Resource.cpp            |   0
 src/{ => easy2d}/core/Resource.h              |   0
 src/{ => easy2d}/core/Scene.cpp               |   0
 src/{ => easy2d}/core/Scene.h                 |   0
 src/{ => easy2d}/core/Sprite.cpp              |   0
 src/{ => easy2d}/core/Sprite.h                |   0
 src/{ => easy2d}/core/Task.cpp                |   0
 src/{ => easy2d}/core/Task.h                  |   0
 src/{ => easy2d}/core/TaskManager.cpp         |   0
 src/{ => easy2d}/core/TaskManager.h           |   0
 src/{ => easy2d}/core/Text.cpp                |   0
 src/{ => easy2d}/core/Text.h                  |   0
 src/{ => easy2d}/core/TextStyle.hpp           |   0
 src/{ => easy2d}/core/Transform.hpp           |   0
 src/{ => easy2d}/core/Transition.cpp          |   0
 src/{ => easy2d}/core/Transition.h            |   0
 src/{ => easy2d}/core/helper.h                |   0
 src/{ => easy2d}/core/include-forwards.h      |   0
 src/{ => easy2d}/core/keys.hpp                |   0
 src/{ => easy2d}/core/logs.cpp                |   0
 src/{ => easy2d}/core/logs.h                  |   0
 src/{ => easy2d}/core/modules.cpp             |   0
 src/{ => easy2d}/core/modules.h               |   0
 src/{ => easy2d}/core/render.cpp              |   0
 src/{ => easy2d}/core/render.h                |   0
 src/{ => easy2d}/core/time.cpp                |   0
 src/{ => easy2d}/core/time.h                  |   0
 src/{ => easy2d}/core/window.cpp              |   0
 src/{ => easy2d}/core/window.h                |   0
 src/{ => easy2d}/dx/D2DDeviceResources.cpp    |   0
 src/{ => easy2d}/dx/D2DDeviceResources.h      |   0
 src/{ => easy2d}/dx/D3D10DeviceResources.cpp  |   0
 src/{ => easy2d}/dx/D3D10DeviceResources.h    |   0
 src/{ => easy2d}/dx/D3D11DeviceResources.cpp  |   0
 src/{ => easy2d}/dx/D3D11DeviceResources.h    |   0
 src/{ => easy2d}/dx/DeviceResources.h         |   0
 src/{ => easy2d}/dx/TextRenderer.cpp          |   0
 src/{ => easy2d}/dx/TextRenderer.h            |   0
 src/{ => easy2d}/dx/helper.hpp                |   0
 src/{ => easy2d}/easy2d.h                     |   0
 src/{ => easy2d}/macros.h                     |   0
 src/{ => easy2d}/math/Matrix.hpp              |   0
 src/{ => easy2d}/math/Rect.hpp                |   0
 src/{ => easy2d}/math/constants.hpp           |   0
 src/{ => easy2d}/math/ease.hpp                |   0
 src/{ => easy2d}/math/rand.h                  |   0
 src/{ => easy2d}/math/scalar.hpp              |   0
 src/{ => easy2d}/math/vector.hpp              |   0
 src/{ => easy2d}/ui/Button.cpp                |   0
 src/{ => easy2d}/ui/Button.h                  |   0
 src/{ => easy2d}/ui/Menu.cpp                  |   0
 src/{ => easy2d}/ui/Menu.h                    |   0
 src/{ => easy2d}/utils/Data.cpp               |   0
 src/{ => easy2d}/utils/Data.h                 |   0
 src/{ => easy2d}/utils/File.cpp               |   0
 src/{ => easy2d}/utils/File.h                 |   0
 src/{ => easy2d}/utils/Path.cpp               |   0
 src/{ => easy2d}/utils/Path.h                 |   0
 src/{ => easy2d}/utils/ResLoader.cpp          |   0
 src/{ => easy2d}/utils/ResLoader.h            |   0
 src/{ => easy2d}/utils/string.cpp             |   0
 src/{ => easy2d}/utils/string.h               |   0
 142 files changed, 284 insertions(+), 281 deletions(-)
 rename {project/ImGuiSample => src}/easy2d-imgui/ImGuiLayer.cpp (100%)
 rename {project/ImGuiSample => src}/easy2d-imgui/ImGuiLayer.h (100%)
 rename {project/ImGuiSample => src}/easy2d-imgui/ImGuiView.cpp (100%)
 rename {project/ImGuiSample => src}/easy2d-imgui/ImGuiView.h (100%)
 rename {project/ImGuiSample => src}/easy2d-imgui/easy2d-imgui.h (100%)
 rename {project/ImGuiSample => src}/easy2d-imgui/imgui_impl_dx11.cpp (100%)
 rename {project/ImGuiSample => src}/easy2d-imgui/imgui_impl_dx11.h (100%)
 rename src/{ => easy2d}/audio/Music.cpp (100%)
 rename src/{ => easy2d}/audio/Music.h (100%)
 rename src/{ => easy2d}/audio/Player.cpp (100%)
 rename src/{ => easy2d}/audio/Player.h (100%)
 rename src/{ => easy2d}/audio/Transcoder.cpp (100%)
 rename src/{ => easy2d}/audio/Transcoder.h (100%)
 rename src/{ => easy2d}/audio/Voice.cpp (100%)
 rename src/{ => easy2d}/audio/Voice.h (100%)
 rename src/{ => easy2d}/audio/audio-modules.cpp (100%)
 rename src/{ => easy2d}/audio/audio-modules.h (100%)
 rename src/{ => easy2d}/audio/audio.cpp (100%)
 rename src/{ => easy2d}/audio/audio.h (100%)
 rename src/{ => easy2d}/common/Array.h (100%)
 rename src/{ => easy2d}/common/ComPtr.hpp (100%)
 rename src/{ => easy2d}/common/IntrusiveList.hpp (100%)
 rename src/{ => easy2d}/common/IntrusivePtr.hpp (100%)
 rename src/{ => easy2d}/common/Singleton.hpp (100%)
 rename src/{ => easy2d}/common/String.cpp (100%)
 rename src/{ => easy2d}/common/String.h (98%)
 rename src/{ => easy2d}/common/closure.hpp (100%)
 rename src/{ => easy2d}/common/noncopyable.hpp (100%)
 rename src/{ => easy2d}/config.h (100%)
 rename src/{ => easy2d}/core/Action.cpp (100%)
 rename src/{ => easy2d}/core/Action.h (100%)
 rename src/{ => easy2d}/core/ActionGroup.cpp (100%)
 rename src/{ => easy2d}/core/ActionGroup.h (100%)
 rename src/{ => easy2d}/core/ActionHelper.h (100%)
 rename src/{ => easy2d}/core/ActionManager.cpp (100%)
 rename src/{ => easy2d}/core/ActionManager.h (100%)
 rename src/{ => easy2d}/core/ActionTween.cpp (100%)
 rename src/{ => easy2d}/core/ActionTween.h (100%)
 rename src/{ => easy2d}/core/Animation.cpp (100%)
 rename src/{ => easy2d}/core/Animation.h (100%)
 rename src/{ => easy2d}/core/Application.cpp (100%)
 rename src/{ => easy2d}/core/Application.h (100%)
 rename src/{ => easy2d}/core/Canvas.cpp (100%)
 rename src/{ => easy2d}/core/Canvas.h (100%)
 rename src/{ => easy2d}/core/Color.cpp (100%)
 rename src/{ => easy2d}/core/Color.h (100%)
 rename src/{ => easy2d}/core/Component.h (100%)
 rename src/{ => easy2d}/core/DebugNode.cpp (100%)
 rename src/{ => easy2d}/core/DebugNode.h (100%)
 rename src/{ => easy2d}/core/Event.hpp (100%)
 rename src/{ => easy2d}/core/EventDispatcher.cpp (100%)
 rename src/{ => easy2d}/core/EventDispatcher.h (100%)
 rename src/{ => easy2d}/core/EventListener.cpp (100%)
 rename src/{ => easy2d}/core/EventListener.h (100%)
 rename src/{ => easy2d}/core/Font.hpp (100%)
 rename src/{ => easy2d}/core/Frames.cpp (100%)
 rename src/{ => easy2d}/core/Frames.h (100%)
 rename src/{ => easy2d}/core/Geometry.cpp (100%)
 rename src/{ => easy2d}/core/Geometry.h (100%)
 rename src/{ => easy2d}/core/GeometryNode.cpp (100%)
 rename src/{ => easy2d}/core/GeometryNode.h (100%)
 rename src/{ => easy2d}/core/Image.cpp (100%)
 rename src/{ => easy2d}/core/Image.h (100%)
 rename src/{ => easy2d}/core/Input.cpp (100%)
 rename src/{ => easy2d}/core/Input.h (100%)
 rename src/{ => easy2d}/core/Layer.cpp (100%)
 rename src/{ => easy2d}/core/Layer.h (100%)
 rename src/{ => easy2d}/core/Node.cpp (100%)
 rename src/{ => easy2d}/core/Node.h (100%)
 rename src/{ => easy2d}/core/Object.cpp (100%)
 rename src/{ => easy2d}/core/Object.h (100%)
 rename src/{ => easy2d}/core/RefCounter.hpp (100%)
 rename src/{ => easy2d}/core/Resource.cpp (100%)
 rename src/{ => easy2d}/core/Resource.h (100%)
 rename src/{ => easy2d}/core/Scene.cpp (100%)
 rename src/{ => easy2d}/core/Scene.h (100%)
 rename src/{ => easy2d}/core/Sprite.cpp (100%)
 rename src/{ => easy2d}/core/Sprite.h (100%)
 rename src/{ => easy2d}/core/Task.cpp (100%)
 rename src/{ => easy2d}/core/Task.h (100%)
 rename src/{ => easy2d}/core/TaskManager.cpp (100%)
 rename src/{ => easy2d}/core/TaskManager.h (100%)
 rename src/{ => easy2d}/core/Text.cpp (100%)
 rename src/{ => easy2d}/core/Text.h (100%)
 rename src/{ => easy2d}/core/TextStyle.hpp (100%)
 rename src/{ => easy2d}/core/Transform.hpp (100%)
 rename src/{ => easy2d}/core/Transition.cpp (100%)
 rename src/{ => easy2d}/core/Transition.h (100%)
 rename src/{ => easy2d}/core/helper.h (100%)
 rename src/{ => easy2d}/core/include-forwards.h (100%)
 rename src/{ => easy2d}/core/keys.hpp (100%)
 rename src/{ => easy2d}/core/logs.cpp (100%)
 rename src/{ => easy2d}/core/logs.h (100%)
 rename src/{ => easy2d}/core/modules.cpp (100%)
 rename src/{ => easy2d}/core/modules.h (100%)
 rename src/{ => easy2d}/core/render.cpp (100%)
 rename src/{ => easy2d}/core/render.h (100%)
 rename src/{ => easy2d}/core/time.cpp (100%)
 rename src/{ => easy2d}/core/time.h (100%)
 rename src/{ => easy2d}/core/window.cpp (100%)
 rename src/{ => easy2d}/core/window.h (100%)
 rename src/{ => easy2d}/dx/D2DDeviceResources.cpp (100%)
 rename src/{ => easy2d}/dx/D2DDeviceResources.h (100%)
 rename src/{ => easy2d}/dx/D3D10DeviceResources.cpp (100%)
 rename src/{ => easy2d}/dx/D3D10DeviceResources.h (100%)
 rename src/{ => easy2d}/dx/D3D11DeviceResources.cpp (100%)
 rename src/{ => easy2d}/dx/D3D11DeviceResources.h (100%)
 rename src/{ => easy2d}/dx/DeviceResources.h (100%)
 rename src/{ => easy2d}/dx/TextRenderer.cpp (100%)
 rename src/{ => easy2d}/dx/TextRenderer.h (100%)
 rename src/{ => easy2d}/dx/helper.hpp (100%)
 rename src/{ => easy2d}/easy2d.h (100%)
 rename src/{ => easy2d}/macros.h (100%)
 rename src/{ => easy2d}/math/Matrix.hpp (100%)
 rename src/{ => easy2d}/math/Rect.hpp (100%)
 rename src/{ => easy2d}/math/constants.hpp (100%)
 rename src/{ => easy2d}/math/ease.hpp (100%)
 rename src/{ => easy2d}/math/rand.h (100%)
 rename src/{ => easy2d}/math/scalar.hpp (100%)
 rename src/{ => easy2d}/math/vector.hpp (100%)
 rename src/{ => easy2d}/ui/Button.cpp (100%)
 rename src/{ => easy2d}/ui/Button.h (100%)
 rename src/{ => easy2d}/ui/Menu.cpp (100%)
 rename src/{ => easy2d}/ui/Menu.h (100%)
 rename src/{ => easy2d}/utils/Data.cpp (100%)
 rename src/{ => easy2d}/utils/Data.h (100%)
 rename src/{ => easy2d}/utils/File.cpp (100%)
 rename src/{ => easy2d}/utils/File.h (100%)
 rename src/{ => easy2d}/utils/Path.cpp (100%)
 rename src/{ => easy2d}/utils/Path.h (100%)
 rename src/{ => easy2d}/utils/ResLoader.cpp (100%)
 rename src/{ => easy2d}/utils/ResLoader.h (100%)
 rename src/{ => easy2d}/utils/string.cpp (100%)
 rename src/{ => easy2d}/utils/string.h (100%)

diff --git a/project/Box2DSample/Box2DSample.vcxproj b/project/Box2DSample/Box2DSample.vcxproj
index a344242d..b2caafcd 100644
--- a/project/Box2DSample/Box2DSample.vcxproj
+++ b/project/Box2DSample/Box2DSample.vcxproj
@@ -80,7 +80,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>../../src;../../3rd-party/box2d</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>../../src/easy2d;../../3rd-party/box2d</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -92,7 +92,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>../../src;../../3rd-party/box2d</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>../../src/easy2d;../../3rd-party/box2d</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -106,7 +106,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>../../src;../../3rd-party/box2d</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>../../src/easy2d;../../3rd-party/box2d</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -122,7 +122,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>../../src;../../3rd-party/box2d</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>../../src/easy2d;../../3rd-party/box2d</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
diff --git a/project/Easy2D/Easy2D.vcxproj b/project/Easy2D/Easy2D.vcxproj
index 6b7a0681..91b69c1a 100644
--- a/project/Easy2D/Easy2D.vcxproj
+++ b/project/Easy2D/Easy2D.vcxproj
@@ -1,133 +1,133 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClInclude Include="..\..\src\audio\audio.h" />
-    <ClInclude Include="..\..\src\audio\audio-modules.h" />
-    <ClInclude Include="..\..\src\audio\Music.h" />
-    <ClInclude Include="..\..\src\audio\Player.h" />
-    <ClInclude Include="..\..\src\audio\Transcoder.h" />
-    <ClInclude Include="..\..\src\audio\Voice.h" />
-    <ClInclude Include="..\..\src\common\Array.h" />
-    <ClInclude Include="..\..\src\common\closure.hpp" />
-    <ClInclude Include="..\..\src\common\ComPtr.hpp" />
-    <ClInclude Include="..\..\src\common\IntrusiveList.hpp" />
-    <ClInclude Include="..\..\src\common\IntrusivePtr.hpp" />
-    <ClInclude Include="..\..\src\common\noncopyable.hpp" />
-    <ClInclude Include="..\..\src\common\Singleton.hpp" />
-    <ClInclude Include="..\..\src\common\String.h" />
-    <ClInclude Include="..\..\src\config.h" />
-    <ClInclude Include="..\..\src\core\Action.h" />
-    <ClInclude Include="..\..\src\core\ActionGroup.h" />
-    <ClInclude Include="..\..\src\core\ActionHelper.h" />
-    <ClInclude Include="..\..\src\core\ActionTween.h" />
-    <ClInclude Include="..\..\src\core\ActionManager.h" />
-    <ClInclude Include="..\..\src\core\Animation.h" />
-    <ClInclude Include="..\..\src\core\Canvas.h" />
-    <ClInclude Include="..\..\src\core\Color.h" />
-    <ClInclude Include="..\..\src\core\Component.h" />
-    <ClInclude Include="..\..\src\core\DebugNode.h" />
-    <ClInclude Include="..\..\src\core\Event.hpp" />
-    <ClInclude Include="..\..\src\core\EventDispatcher.h" />
-    <ClInclude Include="..\..\src\core\EventListener.h" />
-    <ClInclude Include="..\..\src\core\Font.hpp" />
-    <ClInclude Include="..\..\src\core\Frames.h" />
-    <ClInclude Include="..\..\src\core\Application.h" />
-    <ClInclude Include="..\..\src\core\Geometry.h" />
-    <ClInclude Include="..\..\src\core\GeometryNode.h" />
-    <ClInclude Include="..\..\src\core\helper.h" />
-    <ClInclude Include="..\..\src\core\Image.h" />
-    <ClInclude Include="..\..\src\core\include-forwards.h" />
-    <ClInclude Include="..\..\src\core\Input.h" />
-    <ClInclude Include="..\..\src\core\keys.hpp" />
-    <ClInclude Include="..\..\src\core\Layer.h" />
-    <ClInclude Include="..\..\src\core\logs.h" />
-    <ClInclude Include="..\..\src\core\modules.h" />
-    <ClInclude Include="..\..\src\core\Node.h" />
-    <ClInclude Include="..\..\src\core\Object.h" />
-    <ClInclude Include="..\..\src\core\RefCounter.hpp" />
-    <ClInclude Include="..\..\src\core\render.h" />
-    <ClInclude Include="..\..\src\core\Resource.h" />
-    <ClInclude Include="..\..\src\core\Scene.h" />
-    <ClInclude Include="..\..\src\core\Sprite.h" />
-    <ClInclude Include="..\..\src\core\Task.h" />
-    <ClInclude Include="..\..\src\core\TaskManager.h" />
-    <ClInclude Include="..\..\src\core\Text.h" />
-    <ClInclude Include="..\..\src\core\TextStyle.hpp" />
-    <ClInclude Include="..\..\src\core\time.h" />
-    <ClInclude Include="..\..\src\core\Transform.hpp" />
-    <ClInclude Include="..\..\src\core\Transition.h" />
-    <ClInclude Include="..\..\src\core\window.h" />
-    <ClInclude Include="..\..\src\dx\D2DDeviceResources.h" />
-    <ClInclude Include="..\..\src\dx\D3D10DeviceResources.h" />
-    <ClInclude Include="..\..\src\dx\D3D11DeviceResources.h" />
-    <ClInclude Include="..\..\src\dx\DeviceResources.h" />
-    <ClInclude Include="..\..\src\dx\helper.hpp" />
-    <ClInclude Include="..\..\src\dx\TextRenderer.h" />
-    <ClInclude Include="..\..\src\easy2d.h" />
-    <ClInclude Include="..\..\src\macros.h" />
-    <ClInclude Include="..\..\src\math\constants.hpp" />
-    <ClInclude Include="..\..\src\math\ease.hpp" />
-    <ClInclude Include="..\..\src\math\Matrix.hpp" />
-    <ClInclude Include="..\..\src\math\rand.h" />
-    <ClInclude Include="..\..\src\math\Rect.hpp" />
-    <ClInclude Include="..\..\src\math\scalar.hpp" />
-    <ClInclude Include="..\..\src\math\vector.hpp" />
-    <ClInclude Include="..\..\src\ui\Button.h" />
-    <ClInclude Include="..\..\src\ui\Menu.h" />
-    <ClInclude Include="..\..\src\utils\Data.h" />
-    <ClInclude Include="..\..\src\utils\File.h" />
-    <ClInclude Include="..\..\src\utils\Path.h" />
-    <ClInclude Include="..\..\src\utils\ResLoader.h" />
+    <ClInclude Include="..\..\src\easy2d\audio\audio.h" />
+    <ClInclude Include="..\..\src\easy2d\audio\audio-modules.h" />
+    <ClInclude Include="..\..\src\easy2d\audio\Music.h" />
+    <ClInclude Include="..\..\src\easy2d\audio\Player.h" />
+    <ClInclude Include="..\..\src\easy2d\audio\Transcoder.h" />
+    <ClInclude Include="..\..\src\easy2d\audio\Voice.h" />
+    <ClInclude Include="..\..\src\easy2d\common\Array.h" />
+    <ClInclude Include="..\..\src\easy2d\common\closure.hpp" />
+    <ClInclude Include="..\..\src\easy2d\common\ComPtr.hpp" />
+    <ClInclude Include="..\..\src\easy2d\common\IntrusiveList.hpp" />
+    <ClInclude Include="..\..\src\easy2d\common\IntrusivePtr.hpp" />
+    <ClInclude Include="..\..\src\easy2d\common\noncopyable.hpp" />
+    <ClInclude Include="..\..\src\easy2d\common\Singleton.hpp" />
+    <ClInclude Include="..\..\src\easy2d\common\String.h" />
+    <ClInclude Include="..\..\src\easy2d\config.h" />
+    <ClInclude Include="..\..\src\easy2d\core\Action.h" />
+    <ClInclude Include="..\..\src\easy2d\core\ActionGroup.h" />
+    <ClInclude Include="..\..\src\easy2d\core\ActionHelper.h" />
+    <ClInclude Include="..\..\src\easy2d\core\ActionTween.h" />
+    <ClInclude Include="..\..\src\easy2d\core\ActionManager.h" />
+    <ClInclude Include="..\..\src\easy2d\core\Animation.h" />
+    <ClInclude Include="..\..\src\easy2d\core\Canvas.h" />
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index 41cce6b1..8a075ec5 100644
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       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\modules.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\modules.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\Node.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\Node.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\render.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\render.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\Resource.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\Resource.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\Scene.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\Scene.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\Sprite.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\Sprite.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\Task.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\Task.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\Text.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\Text.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\time.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\time.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\Transition.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\Transition.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\window.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\window.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\utils\Data.cpp">
+    <ClCompile Include="..\..\src\easy2d\utils\Data.cpp">
       <Filter>utils</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\utils\File.cpp">
+    <ClCompile Include="..\..\src\easy2d\utils\File.cpp">
       <Filter>utils</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\utils\Path.cpp">
+    <ClCompile Include="..\..\src\easy2d\utils\Path.cpp">
       <Filter>utils</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\ui\Button.cpp">
+    <ClCompile Include="..\..\src\easy2d\ui\Button.cpp">
       <Filter>ui</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\ui\Menu.cpp">
+    <ClCompile Include="..\..\src\easy2d\ui\Menu.cpp">
       <Filter>ui</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\TaskManager.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\TaskManager.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\ActionManager.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\ActionManager.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\logs.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\logs.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\Geometry.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\Geometry.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\GeometryNode.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\GeometryNode.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\ActionTween.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\ActionTween.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\Frames.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\Frames.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\EventDispatcher.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\EventDispatcher.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\EventListener.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\EventListener.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\Object.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\Object.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\DebugNode.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\DebugNode.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\utils\ResLoader.cpp">
+    <ClCompile Include="..\..\src\easy2d\utils\ResLoader.cpp">
       <Filter>utils</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\Application.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\Application.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\ActionGroup.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\ActionGroup.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\Action.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\Action.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\dx\D2DDeviceResources.cpp">
+    <ClCompile Include="..\..\src\easy2d\dx\D2DDeviceResources.cpp">
       <Filter>dx</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\dx\D3D11DeviceResources.cpp">
+    <ClCompile Include="..\..\src\easy2d\dx\D3D11DeviceResources.cpp">
       <Filter>dx</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\dx\TextRenderer.cpp">
+    <ClCompile Include="..\..\src\easy2d\dx\TextRenderer.cpp">
       <Filter>dx</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\dx\D3D10DeviceResources.cpp">
+    <ClCompile Include="..\..\src\easy2d\dx\D3D10DeviceResources.cpp">
       <Filter>dx</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\audio\audio.cpp">
+    <ClCompile Include="..\..\src\easy2d\audio\audio.cpp">
       <Filter>audio</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\audio\Music.cpp">
+    <ClCompile Include="..\..\src\easy2d\audio\Music.cpp">
       <Filter>audio</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\audio\Player.cpp">
+    <ClCompile Include="..\..\src\easy2d\audio\Player.cpp">
       <Filter>audio</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\audio\Transcoder.cpp">
+    <ClCompile Include="..\..\src\easy2d\audio\Transcoder.cpp">
       <Filter>audio</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\audio\Voice.cpp">
+    <ClCompile Include="..\..\src\easy2d\audio\Voice.cpp">
       <Filter>audio</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\audio\audio-modules.cpp">
+    <ClCompile Include="..\..\src\easy2d\audio\audio-modules.cpp">
       <Filter>audio</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\Layer.cpp">
+    <ClCompile Include="..\..\src\easy2d\core\Layer.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\common\String.cpp">
+    <ClCompile Include="..\..\src\easy2d\common\String.cpp">
       <Filter>common</Filter>
     </ClCompile>
   </ItemGroup>
diff --git a/project/HelloWorld/HelloWorld.vcxproj b/project/HelloWorld/HelloWorld.vcxproj
index 937b78f8..70887eda 100644
--- a/project/HelloWorld/HelloWorld.vcxproj
+++ b/project/HelloWorld/HelloWorld.vcxproj
@@ -82,7 +82,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>../../src</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>../../src/easy2d</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -96,7 +96,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>../../src</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>../../src/easy2d</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -112,7 +112,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>../../src</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>../../src/easy2d</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -130,7 +130,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>../../src</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>../../src/easy2d</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
diff --git a/project/ImGuiSample/ImGuiSample.vcxproj b/project/ImGuiSample/ImGuiSample.vcxproj
index 144cccaa..f7945346 100644
--- a/project/ImGuiSample/ImGuiSample.vcxproj
+++ b/project/ImGuiSample/ImGuiSample.vcxproj
@@ -80,7 +80,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>../../src;../../3rd-party/ImGui</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>../../src/easy2d;../../src/easy2d-imgui;../../3rd-party/ImGui</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -92,7 +92,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>../../src;../../3rd-party/ImGui</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>../../src/easy2d;../../src/easy2d-imgui;../../3rd-party/ImGui</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -106,7 +106,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>../../src;../../3rd-party/ImGui</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>../../src/easy2d;../../src/easy2d-imgui;../../3rd-party/ImGui</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -122,7 +122,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>../../src;../../3rd-party/ImGui</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>../../src/easy2d;../../src/easy2d-imgui;../../3rd-party/ImGui</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -136,9 +136,9 @@
     <ClCompile Include="..\..\3rd-party\ImGui\imgui_demo.cpp" />
     <ClCompile Include="..\..\3rd-party\ImGui\imgui_draw.cpp" />
     <ClCompile Include="..\..\3rd-party\ImGui\imgui_widgets.cpp" />
-    <ClCompile Include="easy2d-imgui\ImGuiLayer.cpp" />
-    <ClCompile Include="easy2d-imgui\ImGuiView.cpp" />
-    <ClCompile Include="easy2d-imgui\imgui_impl_dx11.cpp" />
+    <ClCompile Include="..\..\src\easy2d-imgui\ImGuiLayer.cpp" />
+    <ClCompile Include="..\..\src\easy2d-imgui\ImGuiView.cpp" />
+    <ClCompile Include="..\..\src\easy2d-imgui\imgui_impl_dx11.cpp" />
     <ClCompile Include="main.cpp" />
   </ItemGroup>
   <ItemGroup>
@@ -148,10 +148,10 @@
     <ClInclude Include="..\..\3rd-party\ImGui\imstb_rectpack.h" />
     <ClInclude Include="..\..\3rd-party\ImGui\imstb_textedit.h" />
     <ClInclude Include="..\..\3rd-party\ImGui\imstb_truetype.h" />
-    <ClInclude Include="easy2d-imgui\easy2d-imgui.h" />
-    <ClInclude Include="easy2d-imgui\ImGuiLayer.h" />
-    <ClInclude Include="easy2d-imgui\ImGuiView.h" />
-    <ClInclude Include="easy2d-imgui\imgui_impl_dx11.h" />
+    <ClInclude Include="..\..\src\easy2d-imgui\easy2d-imgui.h" />
+    <ClInclude Include="..\..\src\easy2d-imgui\ImGuiLayer.h" />
+    <ClInclude Include="..\..\src\easy2d-imgui\ImGuiView.h" />
+    <ClInclude Include="..\..\src\easy2d-imgui\imgui_impl_dx11.h" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Easy2D\Easy2D.vcxproj">
diff --git a/project/ImGuiSample/ImGuiSample.vcxproj.filters b/project/ImGuiSample/ImGuiSample.vcxproj.filters
index a89be911..e993db3d 100644
--- a/project/ImGuiSample/ImGuiSample.vcxproj.filters
+++ b/project/ImGuiSample/ImGuiSample.vcxproj.filters
@@ -14,13 +14,13 @@
     <ClCompile Include="..\..\3rd-party\ImGui\imgui_widgets.cpp">
       <Filter>imgui</Filter>
     </ClCompile>
-    <ClCompile Include="easy2d-imgui\imgui_impl_dx11.cpp">
+    <ClCompile Include="..\..\src\easy2d-imgui\imgui_impl_dx11.cpp">
       <Filter>easy2d-imgui</Filter>
     </ClCompile>
-    <ClCompile Include="easy2d-imgui\ImGuiLayer.cpp">
+    <ClCompile Include="..\..\src\easy2d-imgui\ImGuiLayer.cpp">
       <Filter>easy2d-imgui</Filter>
     </ClCompile>
-    <ClCompile Include="easy2d-imgui\ImGuiView.cpp">
+    <ClCompile Include="..\..\src\easy2d-imgui\ImGuiView.cpp">
       <Filter>easy2d-imgui</Filter>
     </ClCompile>
   </ItemGroup>
@@ -43,16 +43,16 @@
     <ClInclude Include="..\..\3rd-party\ImGui\imstb_truetype.h">
       <Filter>imgui</Filter>
     </ClInclude>
-    <ClInclude Include="easy2d-imgui\imgui_impl_dx11.h">
+    <ClInclude Include="..\..\src\easy2d-imgui\imgui_impl_dx11.h">
       <Filter>easy2d-imgui</Filter>
     </ClInclude>
-    <ClInclude Include="easy2d-imgui\ImGuiLayer.h">
+    <ClInclude Include="..\..\src\easy2d-imgui\ImGuiLayer.h">
       <Filter>easy2d-imgui</Filter>
     </ClInclude>
-    <ClInclude Include="easy2d-imgui\ImGuiView.h">
+    <ClInclude Include="..\..\src\easy2d-imgui\ImGuiView.h">
       <Filter>easy2d-imgui</Filter>
     </ClInclude>
-    <ClInclude Include="easy2d-imgui\easy2d-imgui.h">
+    <ClInclude Include="..\..\src\easy2d-imgui\easy2d-imgui.h">
       <Filter>easy2d-imgui</Filter>
     </ClInclude>
   </ItemGroup>
diff --git a/project/ImGuiSample/main.cpp b/project/ImGuiSample/main.cpp
index a3f81827..bd2b05e7 100644
--- a/project/ImGuiSample/main.cpp
+++ b/project/ImGuiSample/main.cpp
@@ -1,7 +1,7 @@
 // Copyright (C) 2019 Nomango
 
 #include "easy2d.h"
-#include "easy2d-imgui/easy2d-imgui.h"
+#include "easy2d-imgui.h"
 
 using namespace easy2d;
 
diff --git a/project/Samples/Samples.vcxproj b/project/Samples/Samples.vcxproj
index 9479c9e6..0c28845e 100644
--- a/project/Samples/Samples.vcxproj
+++ b/project/Samples/Samples.vcxproj
@@ -39,6 +39,7 @@
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v141</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
@@ -81,7 +82,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>../../src</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>../../src/easy2d</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -93,7 +94,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>../../src</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>../../src/easy2d</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -107,7 +108,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>../../src</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>../../src/easy2d</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -123,7 +124,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>../../src</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>../../src/easy2d</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
diff --git a/project/ImGuiSample/easy2d-imgui/ImGuiLayer.cpp b/src/easy2d-imgui/ImGuiLayer.cpp
similarity index 100%
rename from project/ImGuiSample/easy2d-imgui/ImGuiLayer.cpp
rename to src/easy2d-imgui/ImGuiLayer.cpp
diff --git a/project/ImGuiSample/easy2d-imgui/ImGuiLayer.h b/src/easy2d-imgui/ImGuiLayer.h
similarity index 100%
rename from project/ImGuiSample/easy2d-imgui/ImGuiLayer.h
rename to src/easy2d-imgui/ImGuiLayer.h
diff --git a/project/ImGuiSample/easy2d-imgui/ImGuiView.cpp b/src/easy2d-imgui/ImGuiView.cpp
similarity index 100%
rename from project/ImGuiSample/easy2d-imgui/ImGuiView.cpp
rename to src/easy2d-imgui/ImGuiView.cpp
diff --git a/project/ImGuiSample/easy2d-imgui/ImGuiView.h b/src/easy2d-imgui/ImGuiView.h
similarity index 100%
rename from project/ImGuiSample/easy2d-imgui/ImGuiView.h
rename to src/easy2d-imgui/ImGuiView.h
diff --git a/project/ImGuiSample/easy2d-imgui/easy2d-imgui.h b/src/easy2d-imgui/easy2d-imgui.h
similarity index 100%
rename from project/ImGuiSample/easy2d-imgui/easy2d-imgui.h
rename to src/easy2d-imgui/easy2d-imgui.h
diff --git a/project/ImGuiSample/easy2d-imgui/imgui_impl_dx11.cpp b/src/easy2d-imgui/imgui_impl_dx11.cpp
similarity index 100%
rename from project/ImGuiSample/easy2d-imgui/imgui_impl_dx11.cpp
rename to src/easy2d-imgui/imgui_impl_dx11.cpp
diff --git a/project/ImGuiSample/easy2d-imgui/imgui_impl_dx11.h b/src/easy2d-imgui/imgui_impl_dx11.h
similarity index 100%
rename from project/ImGuiSample/easy2d-imgui/imgui_impl_dx11.h
rename to src/easy2d-imgui/imgui_impl_dx11.h
diff --git a/src/audio/Music.cpp b/src/easy2d/audio/Music.cpp
similarity index 100%
rename from src/audio/Music.cpp
rename to src/easy2d/audio/Music.cpp
diff --git a/src/audio/Music.h b/src/easy2d/audio/Music.h
similarity index 100%
rename from src/audio/Music.h
rename to src/easy2d/audio/Music.h
diff --git a/src/audio/Player.cpp b/src/easy2d/audio/Player.cpp
similarity index 100%
rename from src/audio/Player.cpp
rename to src/easy2d/audio/Player.cpp
diff --git a/src/audio/Player.h b/src/easy2d/audio/Player.h
similarity index 100%
rename from src/audio/Player.h
rename to src/easy2d/audio/Player.h
diff --git a/src/audio/Transcoder.cpp b/src/easy2d/audio/Transcoder.cpp
similarity index 100%
rename from src/audio/Transcoder.cpp
rename to src/easy2d/audio/Transcoder.cpp
diff --git a/src/audio/Transcoder.h b/src/easy2d/audio/Transcoder.h
similarity index 100%
rename from src/audio/Transcoder.h
rename to src/easy2d/audio/Transcoder.h
diff --git a/src/audio/Voice.cpp b/src/easy2d/audio/Voice.cpp
similarity index 100%
rename from src/audio/Voice.cpp
rename to src/easy2d/audio/Voice.cpp
diff --git a/src/audio/Voice.h b/src/easy2d/audio/Voice.h
similarity index 100%
rename from src/audio/Voice.h
rename to src/easy2d/audio/Voice.h
diff --git a/src/audio/audio-modules.cpp b/src/easy2d/audio/audio-modules.cpp
similarity index 100%
rename from src/audio/audio-modules.cpp
rename to src/easy2d/audio/audio-modules.cpp
diff --git a/src/audio/audio-modules.h b/src/easy2d/audio/audio-modules.h
similarity index 100%
rename from src/audio/audio-modules.h
rename to src/easy2d/audio/audio-modules.h
diff --git a/src/audio/audio.cpp b/src/easy2d/audio/audio.cpp
similarity index 100%
rename from src/audio/audio.cpp
rename to src/easy2d/audio/audio.cpp
diff --git a/src/audio/audio.h b/src/easy2d/audio/audio.h
similarity index 100%
rename from src/audio/audio.h
rename to src/easy2d/audio/audio.h
diff --git a/src/common/Array.h b/src/easy2d/common/Array.h
similarity index 100%
rename from src/common/Array.h
rename to src/easy2d/common/Array.h
diff --git a/src/common/ComPtr.hpp b/src/easy2d/common/ComPtr.hpp
similarity index 100%
rename from src/common/ComPtr.hpp
rename to src/easy2d/common/ComPtr.hpp
diff --git a/src/common/IntrusiveList.hpp b/src/easy2d/common/IntrusiveList.hpp
similarity index 100%
rename from src/common/IntrusiveList.hpp
rename to src/easy2d/common/IntrusiveList.hpp
diff --git a/src/common/IntrusivePtr.hpp b/src/easy2d/common/IntrusivePtr.hpp
similarity index 100%
rename from src/common/IntrusivePtr.hpp
rename to src/easy2d/common/IntrusivePtr.hpp
diff --git a/src/common/Singleton.hpp b/src/easy2d/common/Singleton.hpp
similarity index 100%
rename from src/common/Singleton.hpp
rename to src/easy2d/common/Singleton.hpp
diff --git a/src/common/String.cpp b/src/easy2d/common/String.cpp
similarity index 100%
rename from src/common/String.cpp
rename to src/easy2d/common/String.cpp
diff --git a/src/common/String.h b/src/easy2d/common/String.h
similarity index 98%
rename from src/common/String.h
rename to src/easy2d/common/String.h
index 7c1699ee..d44735da 100644
--- a/src/common/String.h
+++ b/src/easy2d/common/String.h
@@ -130,6 +130,8 @@ namespace easy2d
 		inline void push_back(const wchar_t ch)		{ append(1, ch); }
 		inline wchar_t pop_back()					{ if (empty()) throw std::out_of_range("pop_back() called on empty string"); check_operability(); wchar_t ch = str_[--size_]; str_[size_] = value_type(); return ch; }
 
+		inline size_type copy(wchar_t* cstr, size_type count, size_type pos = 0) const		{ check_offset(pos); if (count == 0 || cstr == const_str_) return 0; count = clamp_suffix_size(pos, count); traits::move(cstr, cbegin() + pos, count); return count; }
+
 		std::string to_string() const;
 		std::wstring to_wstring() const;
 
diff --git a/src/common/closure.hpp b/src/easy2d/common/closure.hpp
similarity index 100%
rename from src/common/closure.hpp
rename to src/easy2d/common/closure.hpp
diff --git a/src/common/noncopyable.hpp b/src/easy2d/common/noncopyable.hpp
similarity index 100%
rename from src/common/noncopyable.hpp
rename to src/easy2d/common/noncopyable.hpp
diff --git a/src/config.h b/src/easy2d/config.h
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