diff --git a/.gitignore b/.gitignore index c6127b3..f8f5e09 100644 --- a/.gitignore +++ b/.gitignore @@ -1,52 +1,3 @@ -# Prerequisites -*.d - -# Object files -*.o -*.ko -*.obj -*.elf - -# Linker output -*.ilk -*.map -*.exp - -# Precompiled Headers -*.gch -*.pch - -# Libraries -*.lib -*.a -*.la -*.lo - -# Shared objects (inc. Windows DLLs) -*.dll -*.so -*.so.* -*.dylib - -# Executables -*.exe -*.out -*.app -*.i*86 -*.x86_64 -*.hex - -# Debug files -*.dSYM/ -*.su -*.idb -*.pdb - -# Kernel Module Compile Results -*.mod* -*.cmd -.tmp_versions/ -modules.order -Module.symvers -Mkfile.old -dkms.conf +/Bin +bin/ +obj/ diff --git a/Document/back.png b/Document/back.png new file mode 100755 index 0000000..c6bd59e Binary files /dev/null and b/Document/back.png differ diff --git a/Document/css/doc.css b/Document/css/doc.css new file mode 100755 index 0000000..11ece03 --- /dev/null +++ b/Document/css/doc.css @@ -0,0 +1,185 @@ +@charset "utf-8"; +*{ + color:rgba(255,255,255,.7); + font-family:"consolas","Menlo","DejaVu Sans Mono","monaco","MonoSpace","courier new","微软雅黑","Microsoft Yahei"; + font-weight:300; + background-repeat:no-repeat; + /*text-shadow:0px 1px 1px #DDD;*/ + -webkit-font-smoothing:antialiased; +} +::selection { background-color: #5B6B8545; } +::-moz-selection { background-color: #5B6B8545; } +::-webkit-selection { background-color: #5B6B8545; } +hr{ + height: 1px; + border: none; + margin: 10px; + border-top: solid 1px #2b2b2b; +} +body{ + margin:0px; + position:relative; + font-size:14px; + background-color:#343434; +} +h2{ + margin:0px 10px; + padding-left:10px; + border-left:solid 5px #0096C9; + border-top:solid 1px #2b2b2b; + border-bottom:solid 1px #2b2b2b; + font-weight:bold; + background-color:#505050; + height:38px; + line-height:38px; +} +p{margin:10px 25px;} +a{ + color:#58b4e8; + cursor:pointer; + outline:none; + text-decoration:none; +} +a:hover{ + color:#58b4e8; + outline-style:none; +} +table{ + margin:20px; + color: rgba(255,255,255,.7); + font-size: 12px; + border-spacing: 0px; + border-top: solid 1px #1f1f1f; + border-left: solid 1px #1f1f1f; + background-color: #2b2b2b; +} +td{ + padding: 5px 20px; + border-right: solid 1px #1f1f1f; + border-bottom: solid 1px #1f1f1f; +} +pre{ + background-color: #1a1a1a; + font-size: 12px; + overflow: auto; + padding:10px; + display:inline-block; + margin-top:0px; + min-width:680px; +} +.span_center{ + display: inline-block; + background-color: #0096c9; + border-radius: 5px; + padding: 1px 5px; + color: white; + font-size: 12px; +} +.span_title{ + margin-left:10px; + display: inline-block; + background-color: dodgerblue; + padding: 2px 10px; + /* border-radius: 5px; */ + font-size: 12px; + position: relative; + height: 20pxpx; + line-height: 20px; +} +.span_title:after{ + content: ' '; + position: absolute; + border-left: solid 13px #2090ff; + border-top: solid 12px transparent; + border-bottom: solid 12px transparent; + right: -13px; + top: 0px; +} +.span_property{ + color:white; + font-size: 12px; + border-radius: 2px; + background-color: gray; + padding: 1px 4px; + margin:0px 4px; +} +#div_body{ + +} +#div_left{ + overflow:auto; + height:100%; + width:220px; + position:fixed; + background-color:#343434; + border-right:solid 1px black; +} +.ul_group_root a{ + color:gray; + font-weight:300px; + height:30px; + line-height:30px; + display:block; + padding:5px 15px; + transition:background-color .5s; +} +.ul_group_root a:hover{ + color:white; + background-color:deepskyblue; + transition:background-color 0s; +} +.ul_group_root,.ul_group_root ul{ + margin:0px; + padding:0px; + list-style:none; + font-size:12px; + background-color:#1A1A1A; +} +.a_node_root{ + color:gray; + font-size:14px; + padding:5px; + display:block; + background-color:#343434; + /*border-top:1px solid #1A1A1A; + border-bottom:1px solid #1A1A1A; + background-color:rgba(255,255,255,0.05);*/ +} +.anchor_btn{ + transition:background-color 1s; +} +.anchor_btn.active{ + color:white; + background-color:#0076A0; + transition:background-color 0s; +} +.li_node_sub{ + text-align:right; +} +#div_right{ + margin-left:220px; +} +#div_right a{ + color: white; + margin: 2px; + padding: 1px 2px; + border-radius: 2px; + display: inline-block; + font-size:12px; + background-color: rgba(0,150,201,.2); + border:solid 1px #0096C9; +} +#div_right ul{ + list-style:none; + margin:5px; + padding:0px 10px; +} +#div_img_node{ + text-align:center; + margin:0px 10px; + background-color:black; +} +#div_img_node img{ + width:50%; + max-width:537px; +} \ No newline at end of file diff --git a/Document/css/index.css b/Document/css/index.css new file mode 100755 index 0000000..b27820b --- /dev/null +++ b/Document/css/index.css @@ -0,0 +1,93 @@ +@charset "utf-8"; +*{ + font-family:"consolas","Menlo","DejaVu Sans Mono","monaco","MonoSpace","courier new","微软雅黑","Microsoft Yahei"; + font-weight:300; + background-repeat:no-repeat; + text-shadow:0px 1px 1px #DDD; + -webkit-font-smoothing:antialiased; +} +::selection { background-color: #5B6B8545; } +::-moz-selection { background-color: #5B6B8545; } +::-webkit-selection { background-color: #5B6B8545; } +a{ + outline:none; + text-decoration:none; +} +p{line-height:25px;} +img{max-width:100%;} +ul{margin:0px;padding-left:20px;} +li{margin:5px;} +hr{ + height: 1px; + border: none; + margin: 30px 0px; + border-top: solid 1px lightgray; +} +body{ + margin:0px; + position:relative; + font-size:14px; +} +#div_body{ + max-width:1074px; + margin: 0 auto; + box-shadow: 0px 0px 20px #222; +} +#div_img_node{ + text-align:center; + font-size:0px; + overflow:hidden; + background-color:cornflowerblue; +} +#div_img_node img{ + width:50%; + max-width:537px; + box-shadow: 0px 0px 20px #222; +} +.span_title{ + font-size:40px; + display:inline-block; + margin:20px; + text-align:center; + position:relative; +} +.span_title:before{ + content: 'Copyright© DebugST@Crystal_lz'; + position: absolute; + left: 50%; + top: 100%; + font-size: 11px; + color: gray; + width:100%; + transform: translate(-50%, 0px); +} +.span_title:after{ + content: '(V 1.0)'; + font-size: 10px; + position: absolute; + background-color: hotpink; + border-radius: 5px; + padding: 2px; + color: white; + display: block; + top: 0px; + right: 0px; + transform: translate(50%, -50%); +} +.a_top_btn{ + color:white; + padding: 5px 20px; + font-size: 16px; + border-radius: 15px; + background-color: cornflowerblue; + margin:0px 10px; + display:inline-block; +} +.span_note{ + color:cornflowerblue; + margin: 2px; + padding: 2px 5px; + border-radius: 5px; + background-color: #EEE; + border:solid 1px #DDD; +} \ No newline at end of file diff --git a/Document/doc.html b/Document/doc.html new file mode 100755 index 0000000..acc910b --- /dev/null +++ b/Document/doc.html @@ -0,0 +1,903 @@ + + + + + STNodeEditor Document + + + + + + +
+
+ + 最后编辑时间 2020-12-30 +
+
+

概述

+

那是一个冬季 在研究无线电安全的作者接触到了GNURadio 那是作者第一次接触到节点编辑器
  "What? Excuse me... What's this?.. 这是什么鬼东西?..."

+

那是一个春季 不知道为什么 过完年整个世界都变了 大家被迫窝在家里 无聊至极的作者学起了Blender 那是作者第二次接触到节点编辑器
  "Wo...原来这东西可以这么玩...真方便"
  于是一些想法在作者脑中逐渐诞生 让作者有了想做一个这样的东西的想法

+

那是一个夏季 不知道为什么 作者又玩起了Davinci 那是作者第三次接触到节点编辑器 这一次的接触让作者对节点编辑器的好感倍增 作者瞬间觉得 只要是可以模块化流程化的功能 万物皆可节点化

+
+
于是下面的这个东西就诞生了
+
+
或者这样的一个东西
+
+

本案例中只是提供了一个节点编辑器控件 并不包含节点列表 属性编辑器等 若后期有空再做一套完整的框架

+
+ 节点编辑器 +
+

或许你未曾接触过节点编辑 但节点编辑的影子越来越多 尤其是在影视相关的一些设计类软件当中 Blender,C4D,Houdini,Davinci 等

+

节点编辑最大的好处就是可视化操作 将单一的功能点封装到节点之中 让用户通过节点布线来组合自己需要的逻辑 让整个流程可视化 而不是将你程序的整个执行流程固化在你的程序之中 当然在这之前你需要定义好节点的数据类型 因为数据类型无法兼容是不允许连线的 通常情况下同颜色的连接点表示数据类型相同

+

另一个好处 让开发者只需要注重单一的功能点开发 使得功能与功能之间的耦合度降低 开发者在节点中开发完成需要的功能 无需知道应该把数据交给谁或者怎么去传递数据 只需要将你的结果数据打包给你所继承的节点类 节点编辑器会自动完成数据的投递过程 +

+

STNodeEditor

+

STNodeEditor为节点容器 其中最重要的一个属性为Nodes里面包含了画布中能看到的所有节点

+

STNodeEditor有两套坐标系统 平常情况下使用最多的就直接是控件的坐标系统 需要在控件的什么位置绘图或者添加东西采用的都是相对控件左上角的坐标 但是在节点编辑器中的情况比较复杂 需要引入一个画布的概念 画布是可以移动缩放的 所以在绘图的时候依旧采用控件的坐标系统将带来很多的麻烦 所以为画布定义了一个坐标原点 在节点以及连线绘制的时候采用的是画布的坐标系统 当需要拖动画布位置的时候 改变画布原点的位置就好了 而内部节点的位置依旧不做变更 因为节点采用的坐标位置是相对画布原点的 +
当画布中Nodes没有元素时候 画布将处于重置状态无法缩放与移动 因为作者觉得这样的操作没有任何意义

+
+ 属性 +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
属性名称类型描述
CanvasOffsetXfloat获取画布原点相对于控件 X 方向上的偏移位置
CanvasOffsetYfloat获取画布原点相对于控件 Y 方向上的偏移位置
CanvasOffsetPointF获取画布原点相对于控件偏移位置
CanvasValidBoundsRectangle获取画布中的有被用到的有效区域
CanvasScalefloat获取画布的缩放比例
Curvaturefloat获取或设置 Option 之间连线的曲度
Magnetbool获取或设置移动画布中 Node 时候 是否启用磁铁效果
ShowBorderbool获取或设置移动画布中是否显示 Node 边框
ShowGridbool获取或设置画布中是否绘制背景网格线条
ShowLocationbool获取或设置是否在画布边缘显示超出视角的 Node 位置信息
NodesSTNodeCollection获取画布中 Node 集合
ActiveNodeSTNode获取当前画布中被选中的活动 Node
HoverNodeSTNode获取当前画布中鼠标悬停的 Node
GridColorColor获取或设置绘制画布背景时 网格线条颜色
BorderColorColor获取或设置画布中 Node 边框颜色
BorderHoverColorColor获取或设置画布中悬停 Node 边框颜色
BorderSelectColorColor获取或设置画布中选中 Node 边框颜色
BorderActiveColorColor获取或设置画布中活动 Node 边框颜色
MarkForeColorColor获取或设置画布绘制 Node 标记详情采用的前景色
MarkBackColorColor获取或设置画布绘制 Node 标记详情采用的背景色
MagnetLineColorColor获取或设置画布中移动 Node 时候 磁铁标记线颜色
SelectedRectangleColorColor获取或设置画布中选择矩形区域的颜色
HighLineColorColor获取或设置画布中高亮连线的颜色
LocationForeColorColor获取或设置画布中边缘位置提示区域前景色
LocationBackColorColor获取或设置画布中边缘位置提示区域背景色
UnknownTypeColorColor获取或设置画布中当 Node 中 Option 数据类型无法确定时应当使用的颜色
TypeColorDictionary<Type, Color>获取或设置画布中 Node 中 Option 数据类型预设颜色
+ 受保护字段 + + + + + + + + + + + + + + + + + + + + + + + + + +
属性名称类型描述
m_pt_in_controlPoint当前鼠标在控件中的实时位置
m_pt_in_canvasPointF当前鼠标在画布中的实时位置
m_pt_down_in_controlPoint鼠标点击时在控件上的位置
m_pt_down_in_canvasPointF鼠标点击时在画布中的位置
m_pt_canvas_oldPointF用于鼠标点击移动画布时候 鼠标点下时候的画布坐标位置
m_pt_dot_downPoint用于保存连线过程中保存点下 Option 的起点坐标
m_option_downSTNodeOption用于保存连线过程中鼠标点下的起点Option 当MouseUp时候 确定是否连接此节点
+ +
可重载函数
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
当绘制背景网格线时候发生
void OnDrawGrid(DrawingTools dt, int nWidth, int nHeight)
dt绘制工具
nWidth需要绘制宽度
nHeight需要绘制高度
 
当绘制 Node 时候发生
void OnDrawNode(DrawingTools dt, Rectangle rect)
dt绘制工具
rect可视画布区域大小
 
当绘制已连接路径时候发生
void OnDrawConnectedLine(DrawingTools dt)
dt绘制工具
 
当绘制 Mark 详情信息时候发生
void OnDrawMark(DrawingTools dt)
dt绘制工具
 
当移动 Node 时候 需要显示对齐参考线时候发生
void OnDrawMagnetLine(DrawingTools dt, MagnetInfo mi)
dt绘制工具
mi匹配的磁铁信息
 
绘制选择的矩形区域
void OnDrawSelectedRectangle(DrawingTools dt, RectangleF rectf)
dt绘制工具
rectf位于控件上的矩形区域
 
绘制超出视觉区域的 Node 位置提示信息
void OnDrawNodeOutLocation(DrawingTools dt, Size sz, List<Point> lstPts)
dt绘制工具
sz提示框边距
lstPts超出视觉区域的 Node 位置信息
 
绘制提示信息
void OnDrawAlert(DrawingTools dt, Rectangle rect, string strText, Color foreColor, Color backColor, AlertLocation al)
dt绘制工具
rect需要绘制区域
strText需要绘制文本
foreColor信息前景色
backColor信息背景色
al信息位置
 
获取提示信息需要绘制的矩形区域
Rectangle GetAlertRectangle(Graphics g, string strText, AlertLocation al)
g绘图表面
strText需要绘制文本
al信息位置
+ 公开函数 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
通过画布坐标进行寻找
NodeFindInfo FindNodeFromPoint(PointF pt)
pt画布中的坐标
 
获取已经被选择的 Node 集合
STNode[] GetSelectedNode()
 
将画布坐标转换为控件坐标
float CanvasToControl(XXX xxx)
xxxRectangle,RectangleF,Point,PointF...
 
将控件坐标转换为画布坐标
float ControlToCanvas(XXX xxx)
xxxRectangle,RectangleF,Point,PointF...
 
移动画布原点坐标到指定的控件坐标位置
void MoveCanvas(float x, float y, bool bAnimation, CanvasMoveArgs ma)
xX 坐标
yY 坐标
bAnimation移动过程中是否启动动画效果
ma指定需要修改的坐标参数
 
缩放画布
void ScaleCanvas(float f, float x, float y)
f缩放比例
x以指定控件坐标 X 为中心进行缩放
y以指定控件坐标 Y 为中心进行缩放
 
获取当前已连接的 Option 对应关系
ConnectionInfo[] GetConnectionInfo()
 
判断两个 Node 之间是否存在连接路径
static bool CanFindNodePath(STNode nodeStart, STNode nodeFind)
nodeStart起始 Node
nodeFind目标 Node
 
获取画布中指定矩形区域图像
Image GetCanvasImage(Rectangle rect, float fScale)
rect画布中指定的矩形区域
fScale缩放比例
 
保存画布中的类容到文件中
void SaveCanvas(string strFileName)
strFileName文件路径
 
保存画布中的类容到数据流
void SaveCanvas(Stream s)
s数据流对象
 
获取画布中内容二进制数据
byte[] GetCanvasData()
 
加载程序集
bool LoadAssembly(string strFile)
返回值此文件中是否有类型被加载
 
加载程序集
int LoadAssembly(string[] strFiles)
返回值存在STNode类型的文件的个数
编辑器中的节点并不一定来自自身程序集 也可能包含在其他程序集中 这时候需提前加载对应程序集 对应的STNode才能正确的从文件或者数据中动态加载到画布类容
获取当前编辑器中已加载的Node类型
Type[] GetTypes()
 
从文件中加载数据
void LoadCanvas(string strFileName)
strFileName文件路径
 
从二进制加载数据
void LoadCanvas(byte[] byData)
byData二进制数据
 
从数据流中加载数据
void LoadCanvas(Stream s)
s数据流对象
 
在画布中显示提示信息
void ShowAlert(string strText, Color foreColor, Color backColor, int nTime, AlertLocation al, bool bRedraw)
strText要显示的信息
foreColor信息前景色
backColor信息背景色
nTime信息持续时间
al信息要显示的位置
bRedraw是否立即重绘
 
设置画布中活动的节点
STNode SetActiveNode(STNode node)
STNode需要被设置为活动的节点
返回值设置前的活动节点
 
向编辑器中添加默认数据类型颜色
SetTypeColor(Type t, Color clr)
t数据类型
clr对应颜色
+
事件
+ + + + + + + + + + + +
SelectedChanged选择的节点发生变化时候发生
HoverChanged悬停的节点发生变化时候发生
NodeAdded当节点被添加时候发生
NodeRemoved当节点被移除时候发生
CanvasMoved移动画布原点时候发生
CanvasScaled缩放画布时候发生
OptionConnected连接节点选项时候发生
OptionDisConnected断开节点选项时候发生
OptionConnecting正在连接节点选项时候发生
OptionDisConnecting正在断开节点选项时候发生
+ +

STNode

+

STNode为抽象类 不可实例化 需要用户自己继承重写

+

STNode有三个比较重要的属性InputOptionsOutputOptionsControls

+

若把STNodeEditor类比成桌面 那么STNode就可以类比成一个窗体 虽然作者在节点中提供了Controls集合 但是作者没有提供任何的一个封装好的控件 只提供了一个STNodeControl基类 若有需要用户可继承此类绘制自己需要的控件

+

继承STNode必须提供空参构造器 否则对节点进行保存后无法还原节点 因为还原过程并非序列化 而是通过反射重新构造对象

+
+ 属性 +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
属性名称类型描述
OwnerSTNodeEditor获取当前 Node 所有者
IsSelectedbool获取或设置 Node 是否处于被选中状态
IsActivebool获取 Node 是否处于活动状态
TitleColorColor获取或设置标题背景颜色
MarkColorColor获取或设置标记信息背景颜色
ForeColorColor获取或设置当前 Node 前景色
BackColorColor获取或设置当前 Node 背景色
Titlestring获取或设置 Node 标题
Markstring获取或设置 Node 标记信息
MarkLinesstring[]获取 Node 标记信息行数据
Leftint获取或设置 Node 左边坐标
Topint获取或设置 Node 上边坐标
Widthint获取或设置 Node 宽度
Heightint获取或设置 Node 高度
Rightint获取 Node 右边边坐标
Bottomint获取 Node 下边坐标
RectangleRectangle获取 Node 矩形区域
TitleRectangleRectangle获取 Node 标题矩形区域
MarkRectangleRectangle获取 Node 标记矩形区域
TitleHeightint获取或设置 Node 标题高度
InputOptionsSTNodeOptionCollection获取输入选项集合
InputOptionsCountint获取输入选项集合个数
OutputOptionsSTNodeOptionCollection获取输出选项
OutputOptionsCountint获取输出选项个数
ControlsSTNodeControlCollection获取 Node 所包含的控件集合
ControlsCountint获取 Node 所包含的控件集合个数
LocationPoint获取 Node 坐标位置
SizeSize获取 Node 大小
FontFont获取或设置 Node 字体
LockOptionbool获取或设置是否锁定Option选项 锁定后不在接受连接
LockLocationbool获取或设置是否锁定Node位置 锁定后不可移动
ContextMenuStripContextMenuStrip获取或设置当前Node 上下文菜单
Tagobject获取或设置用户自定义保存的数据
+ +
受保护字段 + + + + + + +
属性名称类型描述
m_ctrl_activeSTNodeControl当前Node中 活动的控件
m_ctrl_hoverSTNodeControl当前Node中 悬停的控件
+

在上述属性中除了MarkLeftTop其余均为只读属性 被protected所修饰 仅继承STNode后才可访问 不然作者觉得太危险了 比如下面这段代码

+

NodeXXX.Owner.Nodes[nIndex].InputOptions.RemoveAt(0);

+

节点都是模块化的 可能会有不同的人来做开发 甚至是以插件的方式提供 如果大家都遵守约定那将很好 可如果一旦有人不遵守约定 或者出现意外情况 那么就可能出现跨节点操作 破坏掉原本一个正常的节点 如果确实有需要请更改源代码

+
+ 可重载函数 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
当Node被构造时候发生
void OnCreate()
 
当所有者发生改变时候发生
void OnOwnerChanged()
 
当选中状态改变时候发生
void OnSelectedChanged()
 
当活动状态改变时候发生
void OnActiveChanged()
 
绘制整个Node
void OnDrawNode(DrawingTools dt)
dt绘制工具
 
绘制Node标题部分
void OnDrawTitle(DrawingTools dt)
dt绘制工具
 
绘制Node主体部分 除去标题部分
void OnDrawBody(DrawingTools dt)
dt绘制工具
 
绘制标记信息
void OnDrawMark(DrawingTools dt)
dt绘制工具
 
当计算Option位置时候发生
Point OnSetOptionLocation(STNodeOption op)
op需要计算的Option
 
绘制选项连线的点
void OnDrawOptionDot(DrawingTools dt, STNodeOption op)
dt绘制工具
op指定的选项
 
计算当前Node所需要的矩形区域
Size OnBuildNodeSize(DrawingTools dt)
dt绘制工具
若需要自己重绘Node 则应当重写此函数 以确定绘图区域大小 +
返回的大小并不会限制绘制区域 任然可以在此区域之外绘制 +
但是并不会被STNodeEditor所接受 并触发对应事件
计算当前Mark所需要的矩形区域
Rectangle OnBuildMarkRectangle(DrawingTools dt)
dt绘制工具
若需要自己重绘Mark 则应当重写此函数 以确定绘图区域大小 +
返回的大小并不会限制绘制区域 任然可以在此区域之外绘制 +
但是并不会被STNodeEditor所接受 并触发对应事件
当需要保存时候 此Node有哪些需要额外保存的数据
void OnSaveNode(Dictionary<string, byte[]>)
保存时并不会进行序列化 仅自动保存Mark属性 还原时候仅重新通过空参数构造器创建此Node +
然后调用OnLoadNode()将保存的数据进行还原
void OnLoadNode(Dictionary dic)
dic保存时候的数据
 
+ 
protected override void OnSaveNode(Dictionary<string, byte[]>) {
+    dic.Add("count", BitConverter.GetBytes(this.InputOptionsCount));
+}
+
+protected internal override void OnLoadNode(Dictionary<string, byte[]> dic) {
+    int nCount = BitConverter.ToInt32(dic["count"], 0);
+    while (this.InputOptionsCount < nCount && this.InputOptionsCount != nCount) 
+        this.Addhub();
+}
+
+

+
上面代码片段为STNodeHub重载 当需要保存时候此节点需要保存当前已拥有的行数 还原的时候需要将行数还原 因为新构造的节点只有一行 若上面已有连线关系的时候只有一行可能无法正常还原连线关系

+
+ 
protected override void OnSaveNode(Dictionary<string, byte[]>) {
+    dic.Add("file", Encoding.UTF8.GetBytes(m_str_file));
+}
+
+protected override void OnLoadNode(Dictionary<string, byte[]> dic) {
+    m_str_file = Encoding.UTF8.GetString(dic["file"]);
+    if (System.IO.File.Exists(m_str_file)) {   //如果文件存在加载并投递数据
+        m_option_out.TransferData(Image.FromFile(m_str_file));
+    }
+}
+

+
上面代码片段为DEMO中STNodeImageInput重载 因为保存时候 需要把已经打开的文件路劲一起保存 还原的时候再次打开文件并传递数据

+
+ 其他重载函数 +

+ OnGotFocusOnLostFocusOnMouse***OnKey***OnMove +

+ 公开函数 + + + + + + + + + + + + + + + + + + + + + + + + + + + +
重绘Node
void Invalidate()
 
重绘 Node 指定区域
void Invalidate(Rectangle rect)
rectNode 指定区域
 
获取此Node所包含的输入Option集合
STNodeOption[] GetInputOptions()
 
获取此Node所包含的输出Option集合
STNodeOption[] GetOutputOptions()
 
设置Node的选中状态
void SetSelected(bool bSelected, bool bRedraw)
bSelected是否选中
bRedraw是否立即重绘
 
此函数参照System.Windows.Forms.Control
XXX Begin/Invoke(Delegate method, params object[] args)
+ 关于重绘 +

+
若无特殊需求 仅仅需要的是输入输出点就足够了 那么无需用户进行重绘操作 上图 "Demo_Node" 就是默认的绘制 用户只需要在节点中加入需要的输入输出选项即可

+ 
protected override void OnCreate() {
+    base.OnCreate();
+    this.InputOptions.Add(new STNodeOption("Input", typeof(string), false));
+    this.InputOptions.Add(new STNodeOption("SingleNode", typeof(Image), true));
+    this.InputOptions.Add(new STNodeOption("SingleNode", typeof(Icon), true));
+
+    this.OutputOptions.Add(new STNodeOption("output", typeof(string), false));
+    this.OutputOptions.Add(new STNodeOption("Single", typeof(string), true));
+    this.Title = "Demo_Node";
+}
+

上面代码片段为 "Demo_Node" 的OnCreate重载 加入了三个输入节点和两个输出节点 (当然上面的代码并没有绑定STNodeOption的事件) 若需要自定义绘制参考Demo代码

+

STNodeOption

+

STNodeOption为STNode下选项的连接点

+

TransferData(object data)是关键函数 当被调用时数据将自动传递到与它相连的所有选项中 并触发目标选项的DataTransfer事件 +
此函数是节点选项之间数据传递的核心

+
+ 属性 + + + + + + + + + + + + + + + + + +
属性名称类型描述
OwnerSTNode获取当前 Option 所属的 Node
IsSinglebool获取当前 Option 是否仅能被连接一次
IsInputbool获取当前 Option 是否是输入选项
TextColorColor获取或设置当前 Option 文本的颜色
DotColorColor获取或设置当前 Option 连接点的颜色
Textstring获取或设置当前 Option 显示文本
DotLeftint获取当前 Option 连接点的左边坐标
DotTopint获取当前 Option 连接点的上边坐标
DotSizeint获取当前 Option 连接点的宽度
Dataobject获取或者设置当前 Option 所包含的数据
DataTypeType获取当前 Option 数据类型
DotRectangleRectangle获取当前 Option 连接点的区域
ConnectionCountint获取当前 Option 被连接的个数
+ 受保护字段 + + + + + +
属性名称类型描述
m_hs_connectedHashSet<STNodeOption>保存已经被连接的点
+

上述中不带 "设置" 二字的都为只读属性 即便是继承至STNodeOption +
因为作者认为STNodeOption最大的用途应该是作为节点之间连线的载体和事件的触发 而对于其他外观需求并不是很重要

+ +
+ 构造器 +
+ + + + + + + + + + + + +
构造一个 Option
STNodeOption(string strText, Type dataType, bool bSingle)
strText显示文本
dataType数据类型
bSingle是否为单连接 若为true则以圆形绘制 否则方形
+
+ 可重载函数 +

OnConnectedOnConnectingOnDisConnectedOnDisConnectingOnDataTransfer

+
+ 公开函数 +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
当前 Option 连接目标 Option
virtual ConnectionStatus ConnectOption(STNodeOption op)
op需要连接的 Option
 
检测当前 Option 是否可以连接目标 Option
virtual ConnectionStatus CanConnect(STNodeOption op)
op需要连接的 Option
当前Option具备连接目标Option的条件 不代表目标Option也具备连当前Option的条件
当前 Option 断开目标 Option
virtual bool DisConnection(STNodeOption op)
op需要断开的 Option
 
断开当前 Option 的所有连接
void DisConnectionAll()
 
获取当前 Option 所连接的 Option 集合
List<STNodeOption> GetConnectedOption()
 
向当前 Option 所连接的所有 Option 投递数据
void TransferData()
 
向当前 Option 所连接的所有 Option 投递数据
void TransferData(object data)
data需要投递的数据
+
事件
+ + + + + + +
Connected当被连接时候发生
Connecting当连接正在被连接时发生
Disconnected当被断开时候发生
DisConnecting当连接正在被断开时发生
DataTransfer当有数据传递时候发生
+

当Connected与DisConnected触发的同时DataTransfer也会触发 +
所以通常情况下DataTransfer事件足够使用 通过对事件参数Status可得到 当前事件触发时候目标Option与当前Option的连线关系

+

当一个连线完成或者断开时候 输入和输出STNodeOption都将触发事件 因为无论连接还是断开都应该是相对的需要两个节点共同参与 而通常情况下只需要对输入节点进行事件绑定即可

+

STNodeOptionEventArgs

+

STNodeOptionEventArgs为包含了STNodeOption相关事件的事件参数

+
+ 属性 + + + + + + + +
属性名称类型描述
TargetOptionSTNodeOption触发此事件的对应Option
StatusConnectionStatusOption之间的连线状态
IsSponsorbool是否为此次行为的发起者
+
+

STNodeControl

+

关于此类不做过多介绍 可将其视为System.Windows.Forms.Control虽然提供的属性和事件并没有太多 但是作者认为也应当足够了 若还有其他需求请自行修改源代码

+
+ Demo +
+ 
public class STNodeButton : STNodeControl   //自定义一个Button控件
+{
+    private bool m_isHover;
+
+    protected override void OnMouseEnter(EventArgs e) {
+        base.OnMouseEnter(e);
+        m_isHover = true;
+        this.Invalidate();
+    }
+
+    protected override void OnMouseLeave(EventArgs e) {
+        base.OnMouseLeave(e);
+        m_isHover = false;
+        this.Invalidate();
+    }
+
+    protected override void OnPaint(DrawingTools dt) {
+        //base.OnPaint(dt);
+        Graphics g = dt.Graphics;
+        SolidBrush brush = dt.SolidBrush;
+        brush.Color = m_isHover ? Color.DodgerBlue : this.BackColor;
+        g.FillRectangle(brush, 0, 0, this.Width, this.Height);
+        g.DrawString(this.Text, this.Font, Brushes.White, this.ClientRectangle, base.m_sf);
+    }
+}
public class STNodeImageInput : STNode
+{
+    private STNodeOption m_option_out;
+
+    protected override void OnCreate() {
+        base.OnCreate();
+        this.Title = "ImageInput";
+        m_option_out = new STNodeOption("", typeof(Image), false);
+        this.OutputOptions.Add(m_option_out);
+        STNodeButton btn = new STNodeButton();
+        btn.Left = 10; btn.Top = 10;
+        btn.Text = "OpenImage";
+        btn.MouseClick += new MouseEventHandler(btn_MouseClick);
+        this.Controls.Add(btn);
+    }
+    //...other code
+}
+
+

+
上面代码片段为 DEMO 中 "ImageInput" 节点与自定义 Button 控件代码 以上代码演示了如何自定义与使用一个控件 可以看到与System.Windows.Forms.Control差异并不是很大 多以这里并不做过多介绍

+
+
+ + \ No newline at end of file diff --git a/Document/grid.png b/Document/grid.png new file mode 100755 index 0000000..871eef7 Binary files /dev/null and b/Document/grid.png differ diff --git a/Document/images/channel.png b/Document/images/channel.png new file mode 100755 index 0000000..8c0a410 Binary files /dev/null and b/Document/images/channel.png differ diff --git a/Document/images/form1.png b/Document/images/form1.png new file mode 100755 index 0000000..437f9f8 Binary files /dev/null and b/Document/images/form1.png differ diff --git a/Document/images/formImage.png b/Document/images/formImage.png new file mode 100755 index 0000000..ae6e482 Binary files /dev/null and b/Document/images/formImage.png differ diff --git a/Document/images/lock.gif b/Document/images/lock.gif new file mode 100755 index 0000000..31c0219 Binary files /dev/null and b/Document/images/lock.gif differ diff --git a/Document/images/node.gif b/Document/images/node.gif new file mode 100755 index 0000000..473a16b Binary files /dev/null and b/Document/images/node.gif differ diff --git a/Document/images/node.png b/Document/images/node.png new file mode 100755 index 0000000..c3b6f79 Binary files /dev/null and b/Document/images/node.png differ diff --git a/Document/images/object_type.png b/Document/images/object_type.png new file mode 100755 index 0000000..6f10d40 Binary files /dev/null and b/Document/images/object_type.png differ diff --git a/Document/images/open_image.png b/Document/images/open_image.png new file mode 100755 index 0000000..8b795e8 Binary files /dev/null and b/Document/images/open_image.png differ diff --git a/Document/index.html b/Document/index.html new file mode 100755 index 0000000..a58b7d7 --- /dev/null +++ b/Document/index.html @@ -0,0 +1,79 @@ + + + + + + + STNodeEditor + + + +
+
+
+ STNodeEditor
+ 项目地址开发文档类库下载 +
+
+
+

或许你未曾接触过节点编辑 但节点编辑的影子越来越多 尤其是在影视相关的一些设计类软件当中 Blender,C4D,Houdini,Davinci 等

+

STNodeEditor的使用方式非常简洁 提供了丰富的属性以及事件 可以非常方便的完成节点之间数据的交互及通知 大量的重载函数供开发者使用具有很高的自由性
此控件采用MIT开源协议开源 使开发者能够拥有更大的自由度更少的限制

+

节点编辑最大的好处就是可视化操作 将单一的功能点封装到节点之中 让用户通过节点布线来组合自己需要的逻辑 让整个流程可视化 而不是将你程序的整个执行流程固化在你的程序之中 当然在这之前你需要定义好节点的数据类型 因为数据类型无法兼容是不允许连线的 通常情况下同颜色的连接点表示数据类型相同

+

另一个好处 让开发者只需要注重单一的功能点开发 使得功能与功能之间的耦合度降低 开发者在节点中开发完成需要的功能 无需知道应该把数据交给谁或者怎么去传递数据 只需要将你的结果数据打包给你需要输出的选项点 无论节点间布线多么的复杂 节点编辑器会自动完成数据的投递过程

+
+
+
+
+
    +
  • + 移动画布 +
      +
    • 鼠标中键拖动
      • +
    • MacBook可使用二指拖动触控板
      • +
    +
    • +
    +
  • + 缩放画布 +
    • 按下Control + 鼠标滚轮
    +
    • +
    +
  • + 移动节点 +
    • 鼠标左键按下节点标题拖动
    +
    • +
    +
  • + 删除连线 +
    • 悬停连线 鼠标右键
    +
    • +
+
+

方形为多连接选项 圆形为单连接选项

+

自定义选项颜色 应当同一颜色为同一数据类型 不同数据类型无法建立连线

+

内置HUB集线器节点 方便布线

+
+
+
+
+
+

强大的UI自定义能力 可快速帮助开发者定义出需要的节点界面

+

提供的STNodeControl基类与System.Windows.Forms.Control拥有差不多的接口 可使开发者能够像自定义WinForm控件一样定义节点的控件

+

即便用户不进行自定义 选项默认将按照一行一行排列

+

基类STNode为抽象类 不可实例化 需开发者继承向其添加选项 并重载需要的函数进行自定义样式

+

具体细节参考项目中的Demo或查看开发文档

+
+
+
+
+
+ + + +
.Net版本:.Net Framework 3.5
  VS版本:Visual Studio 2010
+ 2021-01-06 +
+
+
+ + \ No newline at end of file diff --git a/Document/js/doc.js b/Document/js/doc.js new file mode 100755 index 0000000..e69de29 diff --git a/Document/js/index.js b/Document/js/index.js new file mode 100755 index 0000000..e69de29 diff --git a/Document/js/jquery-1.10.2.min.js b/Document/js/jquery-1.10.2.min.js new file mode 100755 index 0000000..51aa758 --- /dev/null +++ b/Document/js/jquery-1.10.2.min.js @@ -0,0 +1,23 @@ +/* NUGET: BEGIN LICENSE TEXT + * + * Microsoft grants you the right to use these script files for the sole + * purpose of either: (i) interacting through your browser with the Microsoft + * website or online service, subject to the applicable licensing or use + * terms; or (ii) using the files as included with a Microsoft product subject + * to that product's license terms. Microsoft reserves all other rights to the + * files not expressly granted by Microsoft, whether by implication, estoppel + * or otherwise. Insofar as a script file is dual licensed under GPL, + * Microsoft neither took the code under GPL nor distributes it thereunder but + * under the terms set out in this paragraph. All notices and licenses + * below are for informational purposes only. + * + * JQUERY CORE 1.10.2; Copyright 2005, 2013 jQuery Foundation, Inc. and other contributors; http://jquery.org/license + * Includes Sizzle.js; Copyright 2013 jQuery Foundation, Inc. and other contributors; http://opensource.org/licenses/MIT + * + * NUGET: END LICENSE TEXT */ +/*! jQuery v1.10.2 | (c) 2005, 2013 jQuery Foundation, Inc. | jquery.org/license +//@ sourceMappingURL=jquery-1.10.2.min.map +*/ +(function(e,t){var n,r,i=typeof t,o=e.location,a=e.document,s=a.documentElement,l=e.jQuery,u=e.$,c={},p=[],f="1.10.2",d=p.concat,h=p.push,g=p.slice,m=p.indexOf,y=c.toString,v=c.hasOwnProperty,b=f.trim,x=function(e,t){return new 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