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mesh/mesh.hpp

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+#ifndef _MESH_MESH_HPP_
+#define _MESH_MESH_HPP_
+#ifndef _COMMON_STDIO_HPP_
+#include <common/stdio.hpp>
+#endif
+#ifndef _COMMON_STRING_HPP_
+#include <common/string.hpp>
+#endif
+#ifndef _COMMON_WINDOW_HPP_
+#include <common/window.hpp>
+#endif
+#ifndef _COMMON_CALLBACK_HPP_
+#include <common/callback.hpp>
+#endif
+#ifndef _COMMON_ARRAY_HPP_
+#include <common/array.hpp>
+#endif
+#ifndef _COMMON_PEN_HPP_
+#include <common/pen.hpp>
+#endif
+#ifndef _MESH_SEGMENT_HPP_
+#include <mesh/segment.hpp>
+#endif
+#ifndef _MESH_POLYPOINT_HPP_
+#include <mesh/polypnt.hpp>
+#endif
+
+class GridMesh : public Array<Segment>, public Window
+{
+public:
+	enum GridShow{Show,NoShow};
+	GridMesh(HWND hParent,int width,int height,GridShow visibility=Show);
+	~GridMesh(void);
+	void newMesh(WORD gridLines=GridLines);
+	WORD saveMesh(String &pathFileName);
+	WORD loadMesh(String &pathFileName);
+	WORD retrieveMesh(Array<GDIPoint> &sourcePoints,Array<GDIPoint> &destPoints);
+	WORD rowCols(void)const;
+	WORD gridLines(void)const;
+	WORD upgradeStatus(WORD retCode)const;
+//	WORD isVisible(void)const;
+	void showWindow(int visible=TRUE);
+	void suspendMesh(WORD suspend);
+private:
+	typedef LONG Index;
+	enum Status{InActive,Active};
+	enum {IntersectionSegments=4};
+	enum {GridLines=8,MaxGridLines=16};
+	void registerClass(void);
+	long WndProc(UINT message,WPARAM wParam,LPARAM lParam);
+	void mouseUp(int x,int y);
+	void mouseDown(int x,int y);
+	void mouseMove(int x,int y);
+	DWORD minDistance(const Segment &someSegment,const GDIPoint &mousePoint);
+	WORD closestIntersection(Block<Segment> &filterSegment,GDIPoint &mousePoint);
+	WORD orderIntersection(Block<Segment> &intersection);
+	WORD isInBlock(Block<Segment> &source,Segment &someSegment);
+	void createMesh(WORD gridLines,Array<Segment> &someSegmentVector);
+	WORD retrieveMesh(Array<GDIPoint> &meshPoints,Array<Segment> &meshSegments)const;
+  void getBoundingRect(Block<Segment> &currentIntersection,Rect &boundingRect);
+	void drawBoundingRect(const Rect &boundingRect);
+
+  CallbackData::ReturnType createHandler(CallbackData &someCallbackData);
+	CallbackData::ReturnType paintHandler(CallbackData &someCallbackData);
+	CallbackData::ReturnType leftButtonUpHandler(CallbackData &someCallbackData);
+	CallbackData::ReturnType leftButtonDownHandler(CallbackData &someCallbackData);
+	CallbackData::ReturnType mouseMoveHandler(CallbackData &someCallbackData);
+	CallbackData::ReturnType destroyHandler(CallbackData &someCallbackData);
+  void insertHandlers(void);
+  void removeHandlers(void);
+
+	Callback<GridMesh> mCreateHandler;
+	Callback<GridMesh> mPaintHandler;
+	Callback<GridMesh> mLeftButtonUpHandler;
+	Callback<GridMesh> mLeftButtonDownHandler;
+	Callback<GridMesh> mMouseMoveHandler;
+	Callback<GridMesh> mDestroyHandler;
+	Pen mDrawingPen;
+
+
+	static char szClassName[];
+	static char szMenuName[];
+	Block<Segment> mCurrentIntersection;
+	int mGridLines;
+	Status mStatus;
+	String mVersionInfo;
+	WORD mIsSuspended;
+	HWND mhParent;
+	HINSTANCE mhInstance;
+};
+
+inline
+WORD GridMesh::gridLines(void)const
+{
+	return mGridLines;
+}
+
+inline
+WORD GridMesh::rowCols(void)const
+{
+	return mGridLines+2;
+}
+
+inline
+void GridMesh::suspendMesh(WORD suspend)
+{
+	if(suspend)mIsSuspended=TRUE;
+	else mIsSuspended=FALSE;
+}
+#endif