sample4_11.c

CVI教程,用于信号采集系统的多任务开发软件.学习简单,功能实用.

#include "toolbox.h"
#include "movectrl.h"
#include <ansi_c.h>
#include "cviogl.h"
#include "scroll.h"
#include <cvirte.h>		/* Needed if linking in external compiler; harmless otherwise */
#include <userint.h>
#include "sample4_11.h"

#define XPOINTS         21
#define YPOINTS         21 
#define PI              3.1415926535897932384626433832795028841971
#define RAD(x)          ((x)*PI/180.0)
#define SINC(x)         ((x) != 0.0  ? sin(PI*(x))/(PI*(x)): 1.0)



static int panelHandle,panelTemp;
int PlotCtrl;
char msgBuf[256];  


int CreatePlot(void) ;
int SetControlAttributes(void)  ;
void initScroll(void);
int error;
int CVICALLBACK Picture1 (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2) ;
int main (int argc, char *argv[])
{
	if (InitCVIRTE (0, argv, 0) == 0)	/* Needed if linking in external compiler; harmless otherwise */
		return -1;	/* out of memory */
	SetSleepPolicy (VAL_SLEEP_MORE); 
	if ((panelHandle = LoadPanel (0, "sample4_11.uir", PANEL)) < 0)
		return -1;
	if ((panelTemp = LoadPanel (panelHandle, "sample4_11.uir", PANEL2)) < 0)
		return -1;
	SetPanelPos (panelTemp, 30, 300); 
	
	MakeMovableCtrl (panelHandle,-1, "", 1, 1, 1, 1);    
	EnableExtendedMouseEvents (panelHandle, PANEL_PICTURE, 0.1);
	
	error=ScrollBar_ConvertFromGraph (panelTemp, PANEL2_GRAPH, 0, 0);
	if(error<0)
		goto Error;
	initScroll();

	PlotCtrl=OGLConvertCtrl(panelHandle,PANEL_PICTURE);
	if (PlotCtrl<0) {
    OGLGetErrorString (panelHandle, msgBuf, 255);
    MessagePopup("OGLConvertCtrl Error", msgBuf);
    goto Error;
    }    
	SetControlAttributes();
	CreatePlot(); 
	
	ChainCtrlCallback (panelHandle, PANEL_PICTURE,Picture1 , 0, "chained 1");  
	
	DisplayPanel (panelTemp);   
	DisplayPanel (panelHandle);
	
	RunUserInterface ();
Error:
	return 0;
}

int CVICALLBACK Picture (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{   
	switch (event)
	{
		case OGLEVENT_REFRESH :
			break;
		case EVENT_MOUSE_MOVE:
		case EVENT_LEFT_MOUSE_UP:
		case EVENT_RIGHT_MOUSE_UP:
			SetCtrlVal (panelHandle, PANEL_X1,eventData1);
			SetCtrlVal (panelHandle, PANEL_Y1, eventData2);  
			ConvertMouseCoordinates (panelHandle,control , 1, 1,&eventData1 ,&eventData2 );
			SetCtrlVal (panelHandle, PANEL_X2,eventData1 );
			SetCtrlVal (panelHandle, PANEL_Y2, eventData2); 
			break;
		case EVENT_LEFT_CLICK :
			SetCtrlVal (panelHandle, PANEL_TEXTMSG_CLICL3D,"Left Click 3D");
			break;
		
	}
	return 0;
}
int CVICALLBACK Picture1 (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{   
	switch (event)
	{
		case EVENT_LEFT_DOUBLE_CLICK:
			SetCtrlVal (panelHandle, PANEL_TEXTMSG_CLICL3D,"Double Click 3D");
			break;
	}
	return 0;
}



int CVICALLBACK Demition (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	switch (event)
	{
		case EVENT_COMMIT:
			CreatePlot();  
			break;
	}
	return 0;
}

int CVICALLBACK Quit (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	switch (event)
	{
		case EVENT_COMMIT:
			QuitUserInterface (0);
			break;
	}
	return 0;
}

int CVICALLBACK Graph (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	switch (event)
	{
		case EVENT_SB_UP_BUTTON:
		case EVENT_SB_DOWN_BUTTON:
		case EVENT_SB_PAGE_UP:
		case EVENT_SB_PAGE_DOWN:
		case EVENT_SB_THUMB_CHANGE:
		case EVENT_SB_COMMIT:
			CreatePlot();
			break;
	}
	return 0;
}
int CVICALLBACK Save (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{   
	switch (event)
		{
		case EVENT_COMMIT:
			SaveMovableCtrlSettings (panelHandle, -1, "Default");
			break;
		}
	return 0;
}

int CVICALLBACK Load (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{   char configName[256];
	switch (event)
		{
		case EVENT_COMMIT:
			LoadMovableCtrlSettings (panelHandle, -1, configName);
			break;
		}
	return 0;
}

int SetControlAttributes()
{
    OGLSetCtrlAttribute(panelHandle,PlotCtrl,OGLATTR_LIGHTING_ENABLE, 1);
    OGLSetCtrlAttribute(panelHandle,PlotCtrl,OGLATTR_LIGHT_SELECT, 1);
    OGLSetCtrlAttribute(panelHandle,PlotCtrl,OGLATTR_LIGHT_ENABLE, 1);
    OGLSetCtrlAttribute(panelHandle,PlotCtrl,OGLATTR_LIGHT_DISTANCE, 3.0);
    OGLSetCtrlAttribute(panelHandle,PlotCtrl,OGLATTR_VIEW_DISTANCE,2.5);
    OGLSetCtrlAttribute(panelHandle,PlotCtrl,OGLATTR_PROJECTION_TYPE,OGLVAL_PERSPECTIVE);
    
    // Setup Axis Labels    
    OGLSetCtrlAttribute(panelHandle,PlotCtrl,OGLATTR_XNAME_VISIBLE,1);
    OGLSetCtrlAttribute(panelHandle,PlotCtrl,OGLATTR_YNAME_VISIBLE,1);
    OGLSetCtrlAttribute(panelHandle,PlotCtrl,OGLATTR_ZNAME_VISIBLE,1);
    OGLSetCtrlAttribute(panelHandle,PlotCtrl,OGLATTR_XNAME,"x 轴");
    OGLSetCtrlAttribute(panelHandle,PlotCtrl,OGLATTR_YNAME,"y 轴");
    OGLSetCtrlAttribute(panelHandle,PlotCtrl,OGLATTR_ZNAME,"z 轴");
    OGLSetCtrlAttribute(panelHandle,PlotCtrl,OGLATTR_XLABEL_VISIBLE,1);
    OGLSetCtrlAttribute(panelHandle,PlotCtrl,OGLATTR_YLABEL_VISIBLE,1);
    OGLSetCtrlAttribute(panelHandle,PlotCtrl,OGLATTR_ZLABEL_VISIBLE,1);
	OGLSetCtrlAttribute (panelHandle,PlotCtrl , OGLATTR_ZAXIS_SCALING, OGLVAL_MANUAL);
	OGLSetCtrlAttribute (panelHandle,PlotCtrl, OGLATTR_ZMIN, 0.0);
	OGLSetCtrlAttribute (panelHandle,PlotCtrl, OGLATTR_ZMAX, 100.0);
	
    
    //
	OGLSetCtrlAttribute (panelHandle,PlotCtrl , OGLATTR_ENABLE_PROPERTY_POPUP, 1);
    
	return 0;							 
}
int CreatePlot(void)
{
    int error = 0;
    int PlotDemition = 1;
    int MaxofPlot;
    int numPlots;
    double radxStep;
    double radyStep;
    int plot;
												 
    register int i,j;
    double x,y;
    double xStep,yStep;
    void * pts;
    double *pts3DPtr;
    OGLVertexD *pts2DPtr;
    
    /* Get the plottype of either 3D or 2D lines(no surface) */
    GetCtrlVal(panelHandle, PANEL_DEMITION, &PlotDemition);
    error=ScrollBar_GetAttribute (panelTemp, PANEL2_GRAPH, ATTR_SB_VALUE, &MaxofPlot);
    
    xStep = 360.0/(XPOINTS-1);
    yStep = 360.0/(YPOINTS-1);
            
    radxStep = RAD(xStep);
    radyStep = RAD(yStep);
    
    // Malloc data for plot
    if (PlotDemition)	   //if 1,3D
    {
        pts =  malloc((XPOINTS)*(YPOINTS)*sizeof(double));
        if (!pts)
            return -1;
        else
            pts3DPtr = (double *)pts;
    }    
    else 
    {
        pts =  malloc((XPOINTS)*(YPOINTS)*sizeof(OGLVertexD));
        if (!pts)
            return -1;
        else 
            pts2DPtr = (OGLVertexD *)pts;
    }    
    
    // Generate plot data            
    for(j=0,y=-PI;j<YPOINTS;j++,y+=radyStep)
    {
        for(i=0,x=-PI;i<XPOINTS;i++,x+=radxStep)
            if (PlotDemition) 
            {
                *pts3DPtr = sin(x)*MaxofPlot;
                pts3DPtr++;
            }    
            else    
            {
                pts2DPtr->x = x;
                pts2DPtr->y = y;
                pts2DPtr->z = sin(y)*MaxofPlot;
                pts2DPtr++;
            }    
    }
    
    // Setup control
    OGLSetCtrlAttribute (panelHandle, PlotCtrl,OGLATTR_PLOTAREA_ZSTART, 0.0);
    OGLSetCtrlAttribute (panelHandle, PlotCtrl,OGLATTR_PLOTAREA_ZSIZE, 0.6);
    OGLSetCtrlAttribute (panelHandle, PlotCtrl,OGLATTR_VIEW_AUTO_DISTANCE, 0);
    OGLSetCtrlAttribute (panelHandle, PlotCtrl,OGLATTR_VIEW_DISTANCE, 2.5);
    OGLGetCtrlAttribute (panelHandle, PlotCtrl,OGLATTR_NUM_PLOTHANDLES,&numPlots);   
    
    // Delete any existing plots
    for (i=0;i<numPlots;i++)
    {
        OGLGetCtrlAttribute(panelHandle,PlotCtrl, OGLATTR_FIRST_PLOTHANDLE, &plot);  
        OGLDeletePlot(panelHandle,PlotCtrl,plot,0);
    }
    
    // Give plot data to control
    if (PlotDemition) 
    {
        pts3DPtr = pts;
        plot = OGLPlot3DUniform (panelHandle, PlotCtrl, pts3DPtr, XPOINTS, YPOINTS,
                                             OGLVAL_DOUBLE, 2*PI/(XPOINTS-1), -PI, 2*PI/(YPOINTS-1), -PI);
                                         
        // Setup plot attributes                                         
        OGLSetPlotAttribute(panelHandle,PlotCtrl,plot,OGLATTR_SURFACE_STYLE,OGLVAL_SMOOTH);
        OGLSetPlotAttribute(panelHandle,PlotCtrl,plot,OGLATTR_SURFACE_COLOR,OGLVAL_RED);
        OGLSetPlotAttribute(panelHandle,PlotCtrl,plot,OGLATTR_SURFACE_SPECULAR_FACTOR,1.0);
        OGLSetPlotAttribute(panelHandle,PlotCtrl,plot,OGLATTR_SURFACE_SHININESS,50);
        OGLSetPlotAttribute(panelHandle,PlotCtrl,plot,OGLATTR_WIRE_STYLE,OGLVAL_SOLID);
        OGLSetPlotAttribute(panelHandle,PlotCtrl,plot,OGLATTR_WIRE_COLOR,OGLVAL_RED);
    }
    else 
    {
        for (i=0;i<XPOINTS;i++)
        {
            pts2DPtr = pts;
            plot = OGLPlot3DScatter (panelHandle, PlotCtrl, &pts2DPtr[i*(XPOINTS)], XPOINTS, 1, OGLVAL_DOUBLE);
                                         
            // Setup plot attributes                                         
            OGLSetPlotAttribute(panelHandle,PlotCtrl,plot,OGLATTR_SURFACE_STYLE,OGLVAL_SMOOTH);
            OGLSetPlotAttribute(panelHandle,PlotCtrl,plot,OGLATTR_SURFACE_COLOR,OGLVAL_RED);
            OGLSetPlotAttribute(panelHandle,PlotCtrl,plot,OGLATTR_SURFACE_SPECULAR_FACTOR,1.0);
            OGLSetPlotAttribute(panelHandle,PlotCtrl,plot,OGLATTR_SURFACE_SHININESS,50);
            OGLSetPlotAttribute(panelHandle,PlotCtrl,plot,OGLATTR_WIRE_STYLE,OGLVAL_SOLID);
            OGLSetPlotAttribute(panelHandle,PlotCtrl,plot,OGLATTR_WIRE_COLOR,OGLVAL_RED);
        }
    }    
    
    // Display plot
    OGLRefreshGraph(panelHandle, PlotCtrl);
    
    // free plot data memory because control copies it
    free(pts);
Error :
    return error;
}
void initScroll()
{
	ScrollBar_SetAttribute (panelTemp, PANEL2_GRAPH, ATTR_SB_DOC_MIN, 0);
	ScrollBar_SetAttribute (panelTemp, PANEL2_GRAPH, ATTR_SB_DOC_MAX, 100);
	ScrollBar_SetAttribute (panelTemp, PANEL2_GRAPH, ATTR_SB_VIEW_SIZE, 5); 
	ScrollBar_SetAttribute (panelTemp, PANEL2_GRAPH, ATTR_SB_PROP_THUMB, 1);
	ScrollBar_SetAttribute (panelTemp, PANEL2_GRAPH, ATTR_SB_VALUE, 50); 
}