rlSvgAnimator Class Reference

#include <rlsvganimator.h>

Collaboration diagram for rlSvgAnimator:

Public Member Functions
	rlSvgAnimator ()
virtual	~rlSvgAnimator ()
int	setSocket (int *socket)
int	setId (int Id)
int	read (const char *infile, rlIniFile *inifile=NULL)
int	writeSocket ()
	The following methods are for modifying a object within a SVG graphic identified by objectname. More...
int	svgPrintf (const char *objectname, const char *tag, const char *format,...)
int	svgRecursivePrintf (const char *objectname, const char *tag, const char *format,...)
int	svgSearchAndReplace (const char *objectname, const char *tag, const char *before, const char *after)
int	svgRecursiveSearchAndReplace (const char *objectname, const char *tag, const char *before, const char *after)
int	svgTextPrintf (const char *objectname, const char *format,...)
int	svgRemoveStyleOption (const char *objectname, const char *option)
int	svgRecursiveRemoveStyleOption (const char *objectname, const char *option)
int	svgChangeStyleOption (const char *objectname, const char *option, const char *value)
int	svgRecursiveChangeStyleOption (const char *objectname, const char *option, const char *value)
int	svgSetStyleOption (const char *objectname, const char *value)
int	svgRecursiveSetStyleOption (const char *objectname, const char *value)
int	show (const char *objectname, int state)
int	setMatrix (const char *objectname, float sx, float alpha, float x0, float y0, float cx, float cy)
int	setMatrix (const char *objectname, rlSvgPosition &pos)
	The following methods are for moveing and zooming the whole SVG identified by mainObject. default: main. More...
int	setMainObject (const char *main_object)
const char *	mainObject ()
int	setXY0 (float x0, float y0)
float	x0 ()
float	y0 ()
int	setMouseXY0 (float x0, float y0)
float	mouseX0 ()
float	mouseY0 ()
int	setMouseXY1 (float x1, float y1)
float	mouseX1 ()
float	mouseY1 ()
int	setScale (float scale)
float	scale ()
int	zoomCenter (float newScale)
int	zoomRect ()
int	setMainObjectMatrix ()
int	setWindowSize (int width, int height)
float	windowWidth ()
float	windowHeight ()
int	moveMainObject (float x, float y)

Public Attributes
int	isModified

Private Member Functions
int	tcpsend (const char *buf, int len)
int	fillIniFile (rlIniFile *inifile, const char *line)
int	fileFillIniFile (const char *infile, rlIniFile *inifile)

Private Attributes
int	inifileState
int	inifileCount
rlSpreadsheetCell	inifileID
rlSpreadsheetTable	inifileTable
int *	s
int	id
float	svgX0
float	svgY0
float	svgWindowWidth
float	svgWindowHeight
float	svgScale
float	svgMouseX0
float	svgMouseY0
float	svgMouseX1
float	svgMouseY1
rlString	main_object_name

Detailed Description

This class allows you to animate SVG graphics within pvbrowser.
First the SVG is send to pvbrowser.
Then you may modify the SVG within the pvbrowser client.

Definition at line 48 of file rlsvganimator.h.

Constructor & Destructor Documentation

rlSvgAnimator()

rlSvgAnimator::rlSvgAnimator

(

)

Definition at line 113 of file rlsvganimator.cpp.

{
  s = NULL;
  id = 0;
  isModified = 1;

  // zoomer follows
  svgX0 = svgY0 = 0.0f;
  svgScale = 1.0f;
  svgWindowWidth  = 640.0f;
  svgWindowHeight = 480.0f;
  svgMouseX0 = svgMouseY0 = 0.0f;
  svgMouseX1 = svgMouseY1 = 0.0f;
  main_object_name.setText("main");
}

~rlSvgAnimator()

rlSvgAnimator::~rlSvgAnimator ( )

virtual

Definition at line 129 of file rlsvganimator.cpp.

{
}

Member Function Documentation

fileFillIniFile()

int rlSvgAnimator::fileFillIniFile ( const char *  infile, rlIniFile *  inifile  )

private

Definition at line 698 of file rlsvganimator.cpp.

{
  char line[MAXLINE];
  FILE *fin;

  fin = fopen(infile,"r");
  if(fin == NULL) return -1;
  while(fgets(line,sizeof(line)-1,fin) != NULL)
  {
    fillIniFile(inifile, line);
  }
  fclose(fin);
  return 0;
}

fillIniFile()

int rlSvgAnimator::fillIniFile ( rlIniFile *  inifile, const char *  line  )

private

Definition at line 640 of file rlsvganimator.cpp.

{
  char myline[MAXLINE],*cptr, *cptr2;
  const char *id;
  int i;

  strcpy(myline,line);
  cptr = strchr(myline,'\n');
  if(cptr != NULL) *cptr = '\0';

  if(myline[0] == '>' || strncmp(myline,"/>",2) == 0)
  { // end of data -> fill inifile
    if(inifileState == 1) // if id was found
    {
      for(i=0; i<inifileCount; i++)
      {
        id = inifileID.text();
        inifile->setText(id, inifileTable.text(1,i+1), inifileTable.text(2,i+1));
      }
    }
    inifileState = 0;
    inifileCount = 0;
    inifileID.clear();
    inifileTable.clear();
  }
  else if(myline[0] == '<')
  { // ignore this
  }
  else if(strncmp(myline,"id=",3) == 0)
  { // remenber id
    cptr = strchr(myline,'=');
    if(cptr != NULL)
    {
      cptr++; cptr++;
      cptr2 = strchr(cptr,'\"');
      if(cptr2 != NULL) *cptr2 = '\0';
      inifileID.setText(cptr);
      inifileState = 1; // id was found
    }
  }
  else
  { // fill this in table
    cptr = strchr(myline,'=');
    if(cptr != NULL)
    {
      *cptr = '\0';
      cptr++; cptr++;
      cptr2 = strrchr(cptr,'\"');
      if(cptr2 != NULL) *cptr2 = '\0';
      inifileTable.setText(1,inifileCount+1,myline);
      inifileTable.setText(2,inifileCount+1,cptr);
      inifileCount++;
    }
  }

  return 0;
}

mainObject()

const char * rlSvgAnimator::mainObject

(

)

Definition at line 723 of file rlsvganimator.cpp.

{
  return main_object_name.text();
}

mouseX0()

float rlSvgAnimator::mouseX0

(

)

Definition at line 754 of file rlsvganimator.cpp.

{
  return svgMouseX0;
}

mouseX1()

float rlSvgAnimator::mouseX1

(

)

Definition at line 772 of file rlsvganimator.cpp.

{
  return svgMouseX1;
}

mouseY0()

float rlSvgAnimator::mouseY0

(

)

Definition at line 759 of file rlsvganimator.cpp.

{
  return svgMouseY0;
}

mouseY1()

float rlSvgAnimator::mouseY1

(

)

Definition at line 777 of file rlsvganimator.cpp.

{
  return svgMouseY1;
}

moveMainObject()

int rlSvgAnimator::moveMainObject	(	float	x,
		float	y
	)

move MainObject to position

Definition at line 858 of file rlsvganimator.cpp.

{
  isModified = 1;
  float xx0 = x0() + (x - mouseX0());
  float yy0 = y0() + (y - mouseY0());
  setXY0(xx0,yy0);
  setMainObjectMatrix();
  return 0;
}

read()

int rlSvgAnimator::read	(	const char *	infile,
		rlIniFile *	inifile = NULL
	)

read SVG file infile and load it into the pvbrowser client. if inifile is given inifile will be set with properties within the SVG XML file. The id's of the SVG objects will result in section names of the inifile.

Definition at line 171 of file rlsvganimator.cpp.

{
  isModified = 1;
#ifdef RLUNIX
  rlSpawn rlsvg;
  int ret, use_stdout;
  char command[MAXLINE];
  const char *line;

  inifileState = 0;
  inifileCount = 0;
  if(inifile == NULL) use_stdout = 0;
  use_stdout = 0;
  if(s != NULL && *s == 1) use_stdout = 1;

  rlDebugPrintf("rlSvgAnimator step=1 infile=%s\n",infile);
  if(use_stdout == 0) 
  {
    sprintf(command,"rlsvgcat %s",infile);
    ret = rlsvg.spawn(command);
    if(ret < 0) return -1;
  }

  rlDebugPrintf("rlSvgAnimator step=2\n");

  if(id != 0 && s != NULL) // new style programming
  {
    sprintf(command,"gsvgRead(%d)\n",id);
    tcpsend(command,strlen(command));
    if(use_stdout == 0)
    {
      while((line = rlsvg.readLine()) != NULL)
      {
        tcpsend(line,strlen(line));
        if(inifile != NULL) fillIniFile(inifile, line);
      }
    }
    else
    {
      sprintf(command,"/usr/bin/rlsvgcat %s",infile);
      ret = system(command);
      if(ret == -1) return -1;
      if(inifile != NULL) 
      {
        char outfile[80];
        sprintf(outfile,"PVTMP%d.svg",*s);
        sprintf(command,"/usr/bin/rlsvgcat %s %s",infile,outfile);
        ret = system(command);
        if(ret == -1) return -1;
        fileFillIniFile(outfile, inifile);
        unlink(outfile);
      }  
    }
    sprintf(command,"\n<svgend></svgend>\n");
    tcpsend(command,strlen(command));
    return 0;
  }
  else 
  {
    return -1;
  }  
#else
  // Windows: use file instead of pipe
  FILE *fin;
  int  ret;
  char filename[1024];
  char cmd[1024];
  char command[MAXLINE];
  char line[MAXLINE];
  char *cptr;

  inifileState = 0;
  inifileCount = 0;
  if(s==NULL) sprintf(filename,"PVTEMP%s",infile);
  else        sprintf(filename,"PVTEMP%d%s",*s,infile);
  sprintf(cmd,"rlsvgcat %s %s",infile,filename);
  ret = system(cmd);
  if(ret < 0) return -1;
  fin = fopen(filename,"r");
  if(fin == NULL) return -1;
  sprintf(command,"gsvgRead(%d)\n",id);
  tcpsend(command,strlen(command));
  while(fgets(line,sizeof(line)-1,fin) != NULL)
  {
    cptr = strchr(line,0x0d);
    if(cptr != NULL) *cptr = '\0';
    cptr = strchr(line,0x0a);
    if(cptr != NULL) *cptr = '\0';
    tcpsend(line,strlen(line));
    tcpsend("\n",strlen("\n"));
    if(inifile != NULL) fillIniFile(inifile, line);
  }
  sprintf(command,"\n<svgend></svgend>\n");
  tcpsend(command, strlen(command));;
  unlink(filename);
  return 0;
#endif
}

scale()

float rlSvgAnimator::scale

(

)

Definition at line 789 of file rlsvganimator.cpp.

{
  return svgScale;
}

setId()

int rlSvgAnimator::setId

(

int

Id

)

initialize the id with the pvbrowser object id

Definition at line 277 of file rlsvganimator.cpp.

{
  isModified = 1;
  id = _id;
  return 0;
}

setMainObject()

int rlSvgAnimator::setMainObject

(

const char *

main_object

)

set/get the name of the MainObject . The object name holding the whole SVG graphic. default: main

Definition at line 715 of file rlsvganimator.cpp.

{
  isModified = 1;
  if(main_object == NULL) return -1; 
  main_object_name.setText(main_object);
  return 0;
}

setMainObjectMatrix()

int rlSvgAnimator::setMainObjectMatrix

(

)

sets the MainObject matrix according to scale,x0,y0

Definition at line 833 of file rlsvganimator.cpp.

{
  isModified = 1;
  setMatrix(main_object_name.text(), svgScale, 0.0f, svgX0, svgY0, 0.0f, 0.0f);
  return 0;
}

setMatrix() [1/2]

int rlSvgAnimator::setMatrix	(	const char *	objectname,
		float	sx,
		float	alpha,
		float	x0,
		float	y0,
		float	cx,
		float	cy
	)

set transformation matrix of object

Definition at line 564 of file rlsvganimator.cpp.

{
  // sx    = scale x
  // alpha = rotation
  // x0,y0 = tranlation
  // cx,cy = rotation center
  //
  // matrix:
  // a11 a12 a13
  // a21 a22 a23
  // a31 a32 a33

  float a11, a12, a13, a21, a22, a23; // a31, a32, a33;
  float cx, cy;

  isModified = 1;
  cx = cx_in + x0;
  cy = cy_in + y0;

  a11 = sx*((float) cos(alpha));
  a12 = -sx*((float) sin(alpha));
  a13 = (x0 - cx)*((float) cos(alpha)) - (y0 - cy)*((float) sin(alpha)) + cx;
  a21 = sx*((float) sin(alpha));
  a22 = sx*((float) cos(alpha));
  a23 = (x0 - cx)*((float) sin(alpha)) + (y0 - cy)*((float) cos(alpha)) + cy;
  //a31 = 0.0f;
  //a32 = 0.0f;
  //a33 = 1.0f;

  return svgPrintf(objectname,"transform=","matrix(%f,%f,%f,%f,%f,%f)",a11,a21,a12,a22,a13,a23);

/*********************************************************************************************

Definition
CTM := CurrentTransformationMatrix
t   := translate
r   := rotate
s   := scale

Equotiation
CTM = t(cx,cy)*r(a)*t(-cx,-cy)*t(x0,y0)*s(sx)

      |1 0 cx| |cos(a) -sin(a) 0| |1 0 -cx| |1 0 x0| |sx 0  0|
CTM = |0 1 cy|*|sin(a)  cos(a) 0|*|0 1 -cy|*|0 1 y0|*|0  sx 0|                            # OK
      |0 0 1 | |  0       0    1| |0 0  1 | |0 0 1 | |0  0  1|

      |1 0 cx| |cos(a) -sin(a) 0| |1 0 -cx| |sx 0  x0|
CTM = |0 1 cy|*|sin(a)  cos(a) 0|*|0 1 -cy|*|0  sx y0|                                    # OK
      |0 0 1 | |  0       0    1| |0 0  1 | |0  0  1 |

      |1 0 cx| |cos(a) -sin(a) 0| |sx 0  x0-cx|
CTM = |0 1 cy|*|sin(a)  cos(a) 0|*|0  sx y0-cy|                                           # OK
      |0 0 1 | |  0       0    1| |0  0  1    |

      |1 0 cx| |sx*cos(a) -sx*sin(a) (x0-cx)*cos(a)-(y0-cy)*sin(a)|
CTM = |0 1 cy|*|sx*sin(a)  sx*cos(a) (x0-cx)*sin(a)+(y0-cy)*cos(a)|                       # OK
      |0 0 1 | |  0          0                        1           |

      |sx*cos(a) -sx*sin(a) (x0-cx)*cos(a)-(y0-cy)*sin(a)+cx|
CTM = |sx*sin(a)  sx*cos(a) (x0-cx)*sin(a)+(y0-cy)*cos(a)+cy|                             # OK
      |  0          0                     1                 |

Check
with sx = 1 and a,x0,y0,cx,cy = 0

      |1 0 0|
CTM = |0 1 0|                                                                             # OK
      |0 0 1|

|x'|         |x|   |sx*cos(a)*x-sx*sin(a)*y+(x0-cx)*cos(a)-(y0-cy)*sin(a)+cx|   |1*x-0*y|
|y'| = CTM * |y| = |sx*sin(a)*x+sx*cos(a)*y+(x0-cx)*sin(a)+(y0-cy)*cos(a)+cy| = |0*x+1*y| # OK
|0 |         |0|   |                       0                                |   |   0   |

**********************************************************************************************/
}

setMatrix() [2/2]

int rlSvgAnimator::setMatrix	(	const char *	objectname,
		rlSvgPosition &	pos
	)

The following methods are for moveing and zooming the whole SVG identified by mainObject. default: main.

set transformation matrix of object

Definition at line 558 of file rlsvganimator.cpp.

{
  isModified = 1;
  return setMatrix(objectname, pos.sx, pos.alpha, pos.x0, pos.y0, pos.cx, pos.cy);
}

setMouseXY0()

int rlSvgAnimator::setMouseXY0	(	float	x0,
		float	y0
	)

set/get mouse position 0 for the MainObject

Definition at line 746 of file rlsvganimator.cpp.

{
  isModified = 1;
  svgMouseX0 = x0;
  svgMouseY0 = y0;
  return 0;
}

setMouseXY1()

int rlSvgAnimator::setMouseXY1	(	float	x1,
		float	y1
	)

set/get mouse position 1 for the MainObject

Definition at line 764 of file rlsvganimator.cpp.

{
  isModified = 1;
  svgMouseX1 = x1;
  svgMouseY1 = y1;
  return 0;
}

setScale()

int rlSvgAnimator::setScale

(

float

scale

)

set/get the scaling factor for the MainObject

Definition at line 782 of file rlsvganimator.cpp.

{
  isModified = 1;
  svgScale = scale;
  return 0;
}

setSocket()

int rlSvgAnimator::setSocket

(

int *

socket

)

initialize the socket with pvbrowser p->s

Definition at line 270 of file rlsvganimator.cpp.

{
  isModified = 1;
  s = socket;
  return 0;
}

setWindowSize()

int rlSvgAnimator::setWindowSize	(	int	width,
		int	height
	)

call this method when the widget is resized

Definition at line 840 of file rlsvganimator.cpp.

{
  isModified = 1;
  svgWindowWidth  = (float) width;
  svgWindowHeight = (float) height;
  return 0;
}

setXY0()

int rlSvgAnimator::setXY0	(	float	x0,
		float	y0
	)

set/get x0,y0 coordinates for the MainObject

Definition at line 728 of file rlsvganimator.cpp.

{
  isModified = 1;
  svgX0 = x0;
  svgY0 = y0;
  return 0;
}

show()

int rlSvgAnimator::show	(	const char *	objectname,
		int	state
	)

hide/show object state := 0=hide 1=show

Definition at line 541 of file rlsvganimator.cpp.

{
  rlDebugPrintf("rlSvgAnimator.show state=%d objectname=%s\n",state,objectname);
  isModified = 1;
  if(id != 0)
  {
    char buf[MAXLINE];
    sprintf(buf,"gsvgShow(%d,%d)\n",id,state);
    //printf("buf=%s",buf);
    tcpsend(buf, strlen(buf));
    sprintf(buf,"%s\n",objectname);
    tcpsend(buf, strlen(buf));
    return 0;
  }
  return -1;
}

svgChangeStyleOption()

int rlSvgAnimator::svgChangeStyleOption	(	const char *	objectname,
		const char *	option,
		const char *	value
	)

change a style option of "objectname". option must end with ':'. Example: option="stroke:" value="#000000"

Definition at line 473 of file rlsvganimator.cpp.

{
  char buf[MAXBUF+40];

  isModified = 1;
  sprintf(buf,"gsvgChangeStyleOption(%d)\n",id);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",objectname);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n","style=");
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",option);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",value);
  tcpsend(buf, strlen(buf));
  return 0;
}

svgPrintf()

int rlSvgAnimator::svgPrintf	(	const char *	objectname,
		const char *	tag,
		const char *	format,
			...
	)

change a property of tag = "name="

Definition at line 306 of file rlsvganimator.cpp.

{
  char buf[MAXBUF+40];
  char text[MAXBUF];
  int  len = strlen(objectname);

  isModified = 1;
  if(id != 0)
  {
    sprintf(buf,"gsvgPrintf(%d)\n",id);
    tcpsend(buf, strlen(buf));
    sprintf(buf,"%s\n",objectname);
    tcpsend(buf, strlen(buf));
    sprintf(buf,"%s\n",tag);
    tcpsend(buf, strlen(buf));
    va_list ap;
    va_start(ap,format);
#ifdef RLWIN32
    _vsnprintf(text, MAXBUF - 1, format, ap);
#endif
#ifdef __VMS
    vsprintf(text, format, ap);
#endif
#ifdef RLUNIX
    vsnprintf(text, MAXBUF - 1, format, ap);
#endif
    va_end(ap);
    strcat(text,"\n");
    len = strlen(text);
    tcpsend(text, len);
    return len;
  }
  return -1;
}

svgRecursiveChangeStyleOption()

int rlSvgAnimator::svgRecursiveChangeStyleOption	(	const char *	objectname,
		const char *	option,
		const char *	value
	)

recursively change a style option of "objectname". option must end with ':'. Example: option="stroke:" value="#000000"

Definition at line 491 of file rlsvganimator.cpp.

{
  char buf[MAXBUF+40];

  isModified = 1;
  sprintf(buf,"gsvgRecursiveChangeStyleOption(%d)\n",id);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",objectname);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n","style=");
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",option);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",value);
  tcpsend(buf, strlen(buf));
  return 0;
}

svgRecursivePrintf()

int rlSvgAnimator::svgRecursivePrintf	(	const char *	objectname,
		const char *	tag,
		const char *	format,
			...
	)

recursively change a property of tag = "name="

Definition at line 341 of file rlsvganimator.cpp.

{
  char buf[MAXBUF+40];
  char text[MAXBUF];
  int  len;

  isModified = 1;
  sprintf(buf,"gsvgRecursivePrintf(%d)\n",id);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",objectname);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",tag);
  tcpsend(buf, strlen(buf));
  va_list ap;
  va_start(ap,format);
#ifdef RLWIN32
  _vsnprintf(text, MAXBUF - 1, format, ap);
#endif
#ifdef __VMS
  vsprintf(text, format, ap);
#endif
#ifdef RLUNIX
  vsnprintf(text, MAXBUF - 1, format, ap);
#endif
  va_end(ap);
  strcat(text,"\n");
  len = strlen(text);
  tcpsend(text, len);
  return len;
}

svgRecursiveRemoveStyleOption()

int rlSvgAnimator::svgRecursiveRemoveStyleOption	(	const char *	objectname,
		const char *	option
	)

recursively remove a style option of "objectname". option must end with ':'. Example: option="stroke:"

Definition at line 457 of file rlsvganimator.cpp.

{
  char buf[MAXBUF+40];

  isModified = 1;
  sprintf(buf,"gsvgRecursiveRemoveStyleOption(%d)\n",id);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",objectname);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n","style=");
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",option);
  tcpsend(buf, strlen(buf));
  return 0;
}

svgRecursiveSearchAndReplace()

int rlSvgAnimator::svgRecursiveSearchAndReplace	(	const char *	objectname,
		const char *	tag,
		const char *	before,
		const char *	after
	)

recursively search for "before" within "tag=" property and replace it with "after". You may use wildcards within "before"

Definition at line 390 of file rlsvganimator.cpp.

{
  char buf[MAXBUF+40];

  isModified = 1;
  sprintf(buf,"gsvgRecursiveSearchAndReplace(%d)\n",id);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",objectname);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",tag);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",before);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",after);
  tcpsend(buf, strlen(buf));
  return 0;
}

svgRecursiveSetStyleOption()

int rlSvgAnimator::svgRecursiveSetStyleOption	(	const char *	objectname,
		const char *	value
	)

recursively set a style option of "objectname". option must end with ':'. Example: value="fill:#9d9d9d;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:3.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:none;stroke-opacity:1"

Definition at line 525 of file rlsvganimator.cpp.

{
  char buf[MAXBUF+40];

  isModified = 1;
  sprintf(buf,"gsvgRecursiveSetStyleOption(%d)\n",id);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",objectname);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n","style=");
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",value);
  tcpsend(buf, strlen(buf));
  return 0;
}

svgRemoveStyleOption()

int rlSvgAnimator::svgRemoveStyleOption	(	const char *	objectname,
		const char *	option
	)

remove a style option of "objectname". option must end with ':'. Example: option="stroke:"

Definition at line 441 of file rlsvganimator.cpp.

{
  char buf[MAXBUF+40];

  isModified = 1;
  sprintf(buf,"gsvgRemoveStyleOption(%d)\n",id);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",objectname);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n","style=");
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",option);
  tcpsend(buf, strlen(buf));
  return 0;
}

svgSearchAndReplace()

int rlSvgAnimator::svgSearchAndReplace	(	const char *	objectname,
		const char *	tag,
		const char *	before,
		const char *	after
	)

search for "before" within "tag=" property and replace it with "after". You may use wildcards whin "before"

Definition at line 372 of file rlsvganimator.cpp.

{
  char buf[MAXBUF+40];

  isModified = 1;
  sprintf(buf,"gsvgSearchAndReplace(%d)\n",id);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",objectname);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",tag);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",before);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",after);
  tcpsend(buf, strlen(buf));
  return 0;
}

svgSetStyleOption()

int rlSvgAnimator::svgSetStyleOption	(	const char *	objectname,
		const char *	value
	)

set a style option of "objectname". option must end with ':'. Example: value="fill:#9d9d9d;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:3.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:none;stroke-opacity:1"

Definition at line 509 of file rlsvganimator.cpp.

{
  char buf[MAXBUF+40];

  isModified = 1;
  sprintf(buf,"gsvgSetStyleOption(%d)\n",id);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",objectname);
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n","style=");
  tcpsend(buf, strlen(buf));
  sprintf(buf,"%s\n",value);
  tcpsend(buf, strlen(buf));
  return 0;
}

svgTextPrintf()

int rlSvgAnimator::svgTextPrintf	(	const char *	objectname,
		const char *	format,
			...
	)

change the text of "objectname"

Definition at line 408 of file rlsvganimator.cpp.

{
  char buf[MAXBUF+40];
  char text[MAXBUF];
  int  len = strlen(objectname);

  isModified = 1;
  if(id != 0)
  {
    sprintf(buf,"gsvgTextPrintf(%d)\n",id);
    tcpsend(buf, strlen(buf));
    sprintf(buf,"%s\n",objectname);
    tcpsend(buf, strlen(buf));
    va_list ap;
    va_start(ap,format);
#ifdef RLWIN32
    _vsnprintf(text, MAXBUF - 1, format, ap);
#endif
#ifdef __VMS
    vsprintf(text, format, ap);
#endif
#ifdef RLUNIX
    vsnprintf(text, MAXBUF - 1, format, ap);
#endif
    va_end(ap);
    strcat(text,"\n");
    len = strlen(text);
    tcpsend(text, len);
    return len;
  }
  return -1;
}

tcpsend()

int rlSvgAnimator::tcpsend ( const char *  buf, int  len  )

private

Definition at line 133 of file rlsvganimator.cpp.

{
  int ret,bytes_left,first_byte;

  if(s == NULL) return -1;
  //rlDebugPrintf("tcpsend len=%d buf=%s",len,buf);
  bytes_left = len;
  first_byte = 0;
  while(bytes_left > 0)
  {
    if(*s == 1) // use stdout
    {
#ifdef __VMS
      ret = send(1,&buf[first_byte],bytes_left,MSG_NOSIGNAL);
#else
      ret = write(1,&buf[first_byte],bytes_left);
#endif
      if(ret <= 0) 
      {
        *s = -1;
        return -1;
      }
    }
    else // use socket
    {
      ret = send(*s,&buf[first_byte],bytes_left,MSG_NOSIGNAL);
      if(ret <= 0) 
      {
        *s = -1;
        return -1;
      }
    }
    bytes_left -= ret;
    first_byte += ret;
  }
  return 0;
}

windowHeight()

float rlSvgAnimator::windowHeight

(

)

Definition at line 853 of file rlsvganimator.cpp.

{
  return svgWindowHeight;
}

windowWidth()

float rlSvgAnimator::windowWidth

(

)

Definition at line 848 of file rlsvganimator.cpp.

{
  return svgWindowWidth;
}

writeSocket()

int rlSvgAnimator::writeSocket

(

)

The following methods are for modifying a object within a SVG graphic identified by objectname.

update the SVG graphic with: gBeginDraw(p,id); d->svgAnimator.writeSocket(); gEndDraw(p);

Definition at line 284 of file rlsvganimator.cpp.

{
  char buf[80];
  
  isModified = 0;

  if(s == NULL)
  {
    printf("rlSvgAnimator: ERROR please use setSocket first\n");
    return -1;
  }
  if(id != 0)
  {
    sprintf(buf,"gupdateSVG(%d)\n",id);
    tcpsend(buf, strlen(buf));
    return 0;
  }
  return -1;
}

x0()

float rlSvgAnimator::x0

(

)

Definition at line 736 of file rlsvganimator.cpp.

{
  return svgX0;
}

y0()

float rlSvgAnimator::y0

(

)

Definition at line 741 of file rlsvganimator.cpp.

{
  return svgY0;
}

zoomCenter()

int rlSvgAnimator::zoomCenter

(

float

newScale

)

zooms the whole SVG graphic keeping it centered to the viewport

Definition at line 794 of file rlsvganimator.cpp.

{
  float oldX0, oldY0;

  isModified = 1;
  if (newScale > 1000) newScale = 1000.0f;

  oldX0 = (svgX0 - ((svgWindowWidth) * (1.0f - svgScale)) / 2.0f) / svgScale;
  oldY0 = (svgY0 - ((svgWindowHeight) * (1.0f - svgScale)) / 2.0f) / svgScale;

  svgScale  = newScale;

  svgX0 = oldX0*svgScale + ((svgWindowWidth) * (1.0f - svgScale)) / 2.0f;
  svgY0 = oldY0*svgScale + ((svgWindowHeight) * (1.0f - svgScale)) / 2.0f;

  return 0;
}

zoomRect()

int rlSvgAnimator::zoomRect

(

)

zooms the whole SVG graphic so that the visible section is from x0,x0 to x1,y1

Definition at line 812 of file rlsvganimator.cpp.

{
  float newScale, scale1, scale2, rectWidth, rectHeight;

  isModified = 1;
  rectWidth  = svgMouseX1-svgMouseX0;
  rectHeight = svgMouseY1-svgMouseY0;
  svgX0 = svgX0 + svgWindowWidth/2  - (svgMouseX0 + rectWidth/2);
  svgY0 = svgY0 + svgWindowHeight/2 - (svgMouseY0 + rectHeight/2);
  rectWidth  = rectWidth  / svgScale;
  rectHeight = rectHeight / svgScale;
  scale1 = svgWindowWidth  / rectWidth;
  scale2 = svgWindowHeight / rectHeight;

  if(scale1 < scale2) newScale = scale1;
  else                newScale = scale2;
  zoomCenter(newScale);

  return 0;
}

Member Data Documentation

id

int rlSvgAnimator::id

private

Definition at line 138 of file rlsvganimator.h.

inifileCount

int rlSvgAnimator::inifileCount

private

Definition at line 134 of file rlsvganimator.h.

inifileID

rlSpreadsheetCell rlSvgAnimator::inifileID

private

Definition at line 135 of file rlsvganimator.h.

inifileState

int rlSvgAnimator::inifileState

private

Definition at line 134 of file rlsvganimator.h.

inifileTable

rlSpreadsheetTable rlSvgAnimator::inifileTable

private

Definition at line 136 of file rlsvganimator.h.

isModified

int rlSvgAnimator::isModified

Definition at line 128 of file rlsvganimator.h.

main_object_name

rlString rlSvgAnimator::main_object_name

private

Definition at line 141 of file rlsvganimator.h.

s

int* rlSvgAnimator::s

private

Definition at line 137 of file rlsvganimator.h.

svgMouseX0

float rlSvgAnimator::svgMouseX0

private

Definition at line 140 of file rlsvganimator.h.

svgMouseX1

float rlSvgAnimator::svgMouseX1

private

Definition at line 140 of file rlsvganimator.h.

svgMouseY0

float rlSvgAnimator::svgMouseY0

private

Definition at line 140 of file rlsvganimator.h.

svgMouseY1

float rlSvgAnimator::svgMouseY1

private

Definition at line 140 of file rlsvganimator.h.

svgScale

float rlSvgAnimator::svgScale

private

Definition at line 140 of file rlsvganimator.h.

svgWindowHeight

float rlSvgAnimator::svgWindowHeight

private

Definition at line 140 of file rlsvganimator.h.

svgWindowWidth

float rlSvgAnimator::svgWindowWidth

private

Definition at line 140 of file rlsvganimator.h.

svgX0

float rlSvgAnimator::svgX0

private

Definition at line 140 of file rlsvganimator.h.

svgY0

float rlSvgAnimator::svgY0

private

Definition at line 140 of file rlsvganimator.h.

---

The documentation for this class was generated from the following files:

• rlsvganimator.h
• rlsvganimator.cpp