display.c File Reference

#include "spice.h"
#include "plotdefs.h"

Include dependency graph for display.c:

Go to the source code of this file.

Macros
#define	XtNumber(arr)   (sizeof(arr) / sizeof(arr[0]))

Functions
static int	gen_DatatoScreen ()
static int	gen_Input ()
static int	nodev ()
static int	nop ()
DISPDEVICE *	FindDev (char *name)
int	DevXterm (char *string)
void	DevGrHalt ()
void	DevInit ()
int	DevNewViewport (GRAPH *pgraph)
void	DevClose ()
void	DevHalt ()
void	DevClear ()
void	DevTitle (char *wintitle, char *icontitle)
void	DevPixel (int x, int y)
void	DevLine (int x1, int y1, int x2, int y2)
void	DevBox (int x1, int y1, int x2, int y2)
void	DevArc (int x0, int y0, int radius, double theta1, double theta2)
void	DevPolygon (POLYGON *p)
void	DevText (char *text, int x, int y)
void	DevSetGhost (void(*callback)(), int x, int y)
void	DevDefineColor (int colorid, double red, double green, double blue)
void	DevDefineLinestyle (int linestyleid, int mask)
void	DevSetLinestyle (int linestyleid)
void	DevSetColor (int colorid)
void	DevUpdate ()
static int	gen_DatatoScreen (GRAPH *graph, double x, double y, int *screenx, int *screeny)
void	DevDatatoScreen (GRAPH *graph, double x, double y, int *screenx, int *screeny)
void	DevInput (REQUEST *request, RESPONSE *response)
static int	gen_Input (REQUEST *request, RESPONSE *response)
void	SaveText (GRAPH *graph, char *text, int x, int y)
int	DevSwitch (char *devname)
int	DevGetchar (FILE *fp)

Variables
DISPDEVICE	device []
DISPDEVICE *	dispdev

Macro Definition Documentation

#define XtNumber

(

arr

)

(sizeof(arr) / sizeof(arr[0]))

Definition at line 114 of file display.c.

Function Documentation

void DevArc	(	int	x0,
		int	y0,
		int	radius,
		double	theta1,
		double	theta2
	)

Definition at line 278 of file display.c.

{
    (void)(*(dispdev->Arc))(x0, y0, radius, theta1, theta2);
}

void DevBox	(	int	x1,
		int	y1,
		int	x2,
		int	y2
	)

Definition at line 269 of file display.c.

{
    (void)(*(dispdev->Box))(x1, y1, x2, y2);
}

void DevClear

(

)

Definition at line 234 of file display.c.

{
    (void)(*(dispdev->Clear))();
}

void DevClose

(

)

Definition at line 218 of file display.c.

{
    (void)(*(dispdev->Close))();
}

void DevDatatoScreen	(	GRAPH *	graph,
		double	x,
		double	y,
		int *	screenx,
		int *	screeny
	)

Definition at line 414 of file display.c.

{
    (void)(*(dispdev->DatatoScreen))(graph, x, y, screenx, screeny);
}

void DevDefineColor	(	int	colorid,
		double	red,
		double	green,
		double	blue
	)

Definition at line 321 of file display.c.

{
    (void)(*(dispdev->DefineColor))(colorid, red, green, blue);
}

void DevDefineLinestyle	(	int	linestyleid,
		int	mask
	)

Definition at line 331 of file display.c.

{
    (void)(*(dispdev->DefineLinestyle))(linestyleid, mask);
}

int DevGetchar

(

FILE *

fp

)

Definition at line 550 of file display.c.

{
    REQUEST request;
    RESPONSE response;

    request.option = char_option;
    request.fp = fp;
    DevInput(&request, &response);
    return(response.reply.ch);
}

void DevGrHalt

(

)

Definition at line 151 of file display.c.

{
    int id;

    /* halt graphics if not windowed */
    if (!dispdev->windows &&
            currentgraph && currentgraph->graphtype != GR_SCED) {
        DevHalt();
        id = currentgraph->graphid;
        PopGraphContext();
        DestroyGraph(id);
    }
}

void DevHalt

(

)

Definition at line 226 of file display.c.

{
    (void)(*(dispdev->Halt))();
}

void DevInit

(

)

Definition at line 168 of file display.c.

{
    char buf[128];
    extern char *kw_display;

/* note: do better determination */
/*
    dumb tradition that got passed on from gi_interface
    to do compile time determination
*/
#ifdef HAVE_MFB
#ifdef HAVE_X11
    /* determine display type */
    if (cp_display)
        dispdev = FindDev("X11");
    else
        dispdev = FindDev("MFB");
#else       /* MFB but not X */
    dispdev = FindDev("MFB");
#endif
#else
#ifdef HAVE_X11
    dispdev = FindDev("X11");
#else       /* no MFB nor X */
    externalerror(
    "no graphics packages; need to define either WANT_X11, or WANT_MFB");
    dispdev = FindDev("error");
#endif
#endif

    if ((*(dispdev->Init))()) {
        fprintf(cp_err,
        "Warning: can't initialize display device for graphics.\n");
        dispdev = FindDev("error");
    }
}

void DevInput	(	REQUEST *	request,
		RESPONSE *	response
	)

Definition at line 438 of file display.c.

{
    (void)(*(dispdev->Input))(request, response);
}

void DevLine	(	int	x1,
		int	y1,
		int	x2,
		int	y2
	)

Definition at line 260 of file display.c.

{
    (void)(*(dispdev->Line))(x1, y1, x2, y2);
}

int DevNewViewport

(

GRAPH *

pgraph

)

Definition at line 209 of file display.c.

{
    return (*(dispdev->NewViewport))(pgraph);
}

void DevPixel	(	int	x,
		int	y
	)

Definition at line 251 of file display.c.

{
    (void)(*(dispdev->Pixel))(x, y);
}

void DevPolygon

(

POLYGON *

p

)

Definition at line 288 of file display.c.

{
    (void)(*(dispdev->Polygon))(p);
}

void DevSetColor

(

int

colorid

)

Definition at line 350 of file display.c.

{
    (void)(*(dispdev->SetColor))(colorid);
}

void DevSetGhost	(	void (*)()	callback,
		int	x,
		int	y
	)

Definition at line 307 of file display.c.

{
    (void)(*(dispdev->SetGhost))(callback, x, y);
}

void DevSetLinestyle

(

int

linestyleid

)

Definition at line 341 of file display.c.

{
    (void)(*(dispdev->SetLinestyle))(linestyleid);
}

int DevSwitch

(

char *

devname

)

Definition at line 516 of file display.c.

{
    static DISPDEVICE *lastdev = NULL;

    if (devname != NULL) {
        if (lastdev != NULL) {
            internalerror("DevSwitch w/o changing back");
            return (1);
        }
        lastdev = dispdev;
        dispdev = FindDev(devname);
        if (!strcmp(dispdev->name, "error")) {
            internalerror("no hardcopy device");
            dispdev = lastdev;  /* undo */
            lastdev = NULL;
            return (1);
        }
        (*(dispdev->Init))();
    }
    else {
        (*(dispdev->Close))();
        dispdev = lastdev;
        lastdev = NULL;
    }
    return (0);
}

void DevText	(	char *	text,
		int	x,
		int	y
	)

Definition at line 297 of file display.c.

{
    (void)(*(dispdev->Text))(text, x, y);
}

void DevTitle	(	char *	wintitle,
		char *	icontitle
	)

Definition at line 242 of file display.c.

{
    (void)(*(dispdev->Title))(wintitle,icontitle);
}

void DevUpdate

(

)

Definition at line 359 of file display.c.

{
    (void)(*(dispdev->Update))();
}

int DevXterm

(

char *

string

)

Definition at line 135 of file display.c.

{
    char buf[BSIZE_SP];

    if (dispdev->windows)
        (void) sprintf(buf, "xterm -e %s", string);
    else
        (void) sprintf(buf, "%s", string);

    return (system(buf));
}

DISPDEVICE* FindDev

(

char *

name

)

Definition at line 118 of file display.c.

{
    int i;

    for (i=0; i < XtNumber(device); i++) {
        if (!strcmp(name, device[i].name)) {
            return (&device[i]);
        }
    }
    sprintf(ErrorMessage, "Can't find device %s.", name);
    internalerror(ErrorMessage);
    return (&device[0]);
}

static int gen_DatatoScreen ( )

static

static int gen_DatatoScreen ( GRAPH *  graph, double  x, double  y, int *  screenx, int *  screeny  )

static

Definition at line 369 of file display.c.

{
    double low, high;

    /* note: think this out---Is 1 part of the viewport? Do we handle
        this correctly? */

    /* have to handle several types of grids */

    /* note: we can't compensate for X's demented y-coordinate system here
        since the grid routines use DevLine w/o calling this routine */
    if ((graph->grid.gridtype == GRID_LOGLOG) ||
            (graph->grid.gridtype == GRID_YLOG)) {
        low = mylog10(graph->datawindow.ymin);
        high = mylog10(graph->datawindow.ymax);
        *screeny = rnd( (((mylog10(y) - low) / (high - low))
            * graph->viewport.height)
            + graph->viewportyoff );
    }
    else {
        *screeny = rnd( ((y - graph->datawindow.ymin) / graph->aspectratioy)
            + graph->viewportyoff );
    }

    if ((graph->grid.gridtype == GRID_LOGLOG) ||
            (graph->grid.gridtype == GRID_XLOG)) {
        low = mylog10(graph->datawindow.xmin);
        high = mylog10(graph->datawindow.xmax);
        *screenx = rnd( ((mylog10(x) - low) / (high - low))
            * graph->viewport.width
            + graph ->viewportxoff);
    }
    else {
        *screenx = rnd( (x - graph->datawindow.xmin) / graph->aspectratiox
            + graph ->viewportxoff);
    }
    return (0);
}

static int gen_Input ( )

static

static int gen_Input ( REQUEST *  request, RESPONSE *  response  )

static

Definition at line 448 of file display.c.

{
    switch (request->option) {
        case char_option:
            response->reply.ch = cp_inchar(request->fp);
            response->option = request->option;
            break;
        default:
            /* just ignore, since we don't want a million error messages */
            if (response)
                response->option = error_option;
            break;
    }
    return (0);
}

static int nodev ( )

static

Definition at line 476 of file display.c.

{
    sprintf(ErrorMessage,
        "This operation is not defined for display type %s.",
        dispdev->name);
    internalerror(ErrorMessage);
    return (1);
}

static int nop ( )

static

Definition at line 469 of file display.c.

{
    return (1);  /* so NewViewport will fail */
}

void SaveText	(	GRAPH *	graph,
		char *	text,
		int	x,
		int	y
	)

Definition at line 487 of file display.c.

{
    struct _keyed *keyed;

    keyed = (struct _keyed *) calloc(1, sizeof(struct _keyed));

    if (!graph->keyed) {
       graph->keyed = keyed;
    }
    else {
       keyed->next = graph->keyed;
       graph->keyed = keyed;
    }

    keyed->text = tmalloc(strlen(text) + 1);
    strcpy(keyed->text, text);

    keyed->x = x;
    keyed->y = y;

    keyed->colorindex = 1;
}

Variable Documentation

DISPDEVICE device[]

Definition at line 24 of file display.c.

DISPDEVICE* dispdev

Definition at line 112 of file display.c.