xdisplaylist.c File Reference

x windows display functions More...

Go to the source code of this file.

Data Structures
struct	wl_Line
struct	wl_Rectangle
struct	wl_Arc
struct	wl_String
struct	wl_GraphicClosure
struct	wl_PostScriptClosure
struct	wl_Polygon
union	wl_DisplayElt

Macros
#define	AllocDisplayElt()   malloc (sizeof (DisplayElt))
#define	FreeDisplayElt(E)   free (E)
#define	BUF_SIZE   512

Typedefs
typedef struct wl_Line	Line
typedef struct wl_Rectangle	Rectangle
typedef struct wl_Arc	Arc
typedef struct wl_String	String
typedef struct wl_GraphicClosure	GraphicClosure
typedef struct wl_PostScriptClosure	PostScriptClosure
typedef struct wl_Polygon	Polygon
typedef union wl_DisplayElt	DisplayElt
typedef DisplayElt *	RefDisplayElt

Functions
static ListLinks *	x_get_links_of_display_list (DisplayElt *elt)
	x_get_links_of_display_list More...
ListHeader *	x_display_list ()
	x_display_list More...
void	x_set_gc (Display *display, GC gc, long function, unsigned long color, long linewidth, Font font)
	x_set_gc More...
void	x_record_line (ListHeader *displaylist, Action action, long x0, long y0, long x1, long y1, unsigned long function, unsigned long color, unsigned long linewidth)
	x_record_line More...
void	x_record_arc (ListHeader *displaylist, Action action, long x, long y, long width, long height, long startangle, long arcangle, unsigned long function, unsigned long color, unsigned long linewidth)
	x_record_arc More...
void	x_record_rectangle (ListHeader *displaylist, Action action, long x, long y, long width, long height, unsigned long function, unsigned long color, unsigned long linewidth)
	x_record_rectangle More...
void	x_record_polygon (ListHeader *displaylist, Action action, XPoint *points, long npoints, unsigned long function, unsigned long color, unsigned long linewidth)
	x_record_polygon More...
void	x_record_string (ListHeader *displaylist, Action action, long x, long y, char *str, Font font, unsigned long function, unsigned long color)
	x_record_string More...
static long	x_draw_elt (DisplayElt *elt, GraphicClosure *g)
	x_draw_elt More...
void	x_refresh_window (Display *display, Window window, Pixmap pixmap, GC pixmapgc, ListHeader *displaylist)
	x_refresh_window More...
static long	x_free_elt (DisplayElt *elt, long *closure)
	x_free_elt More...
void	x_free_display_list (ListHeader *displaylist)
	x_free_display_list More...
static void	x_postscript_prolog (long f)
	x_postscript_prolog More...
static char *	add_number (char *buf, long n)
	add_number More...
static char *	add_string (char *buf, char *s)
	add_string More...
static void	x_get_rgb_values (Display *display, Window window, unsigned long color, XColor *rgb)
	x_get_rgb_values More...
static long	x_postscript_elt (DisplayElt *elt, PostScriptClosure *psc)
	x_postscript_elt More...
long	x_postscript_window (Display *display, Window window, ListHeader *displaylist, char *filename)
	x_postscript_window More...

Variables
static char *	prolog []
static char	nstr [BUF_SIZE]

Detailed Description

x windows display functions

Definition in file xdisplaylist.c.

Macro Definition Documentation

#define AllocDisplayElt

(

)

malloc (sizeof (DisplayElt))

Definition at line 169 of file xdisplaylist.c.

#define BUF_SIZE   512

Definition at line 610 of file xdisplaylist.c.

#define FreeDisplayElt

(

E

)

free (E)

Definition at line 170 of file xdisplaylist.c.

Typedef Documentation

typedef struct wl_Arc Arc

typedef union wl_DisplayElt DisplayElt

typedef struct wl_GraphicClosure GraphicClosure

typedef struct wl_Line Line

typedef struct wl_Polygon Polygon

typedef struct wl_PostScriptClosure PostScriptClosure

typedef struct wl_Rectangle Rectangle

typedef DisplayElt* RefDisplayElt

Definition at line 99 of file xdisplaylist.c.

typedef struct wl_String String

Function Documentation

static char * add_number ( char *  buf, long  n  )

static

add_number

Parameters

buf	- char *buf
n	- long n

Definition at line 621 of file xdisplaylist.c.

References BUF_SIZE, and nstr.

{
    long m, i;
    char *s;

    for (m=n, i=1; m>=10; i++)
        m /= 10;

    if (i < BUF_SIZE && strlen (buf) + i < BUF_SIZE)
    {
    sprintf (nstr, "%ld ", n);
    strcat (buf, nstr);
    }

    return buf;
}

static char * add_string ( char *  buf, char *  s  )

static

add_string

Parameters

buf	- char *buf
s	- char *s

Definition at line 645 of file xdisplaylist.c.

References BUF_SIZE.

{
    if (strlen (buf) + strlen(s) < BUF_SIZE)
    strcat (buf, s);

    return buf;
}

ListHeader * x_display_list

(

)

x_display_list

Definition at line 120 of file xdisplaylist.c.

References List_SetLinkProc(), and x_get_links_of_display_list().

{
    ListHeader *display_list;

    display_list = (ListHeader *) malloc (sizeof (ListHeader));
    List_SetLinkProc (display_list, x_get_links_of_display_list);
    return display_list;
}

static long x_draw_elt ( DisplayElt *  elt, GraphicClosure *  g  )

static

x_draw_elt

Parameters

elt	- DisplayElt *elt
g	- GraphicClosure *g

Definition at line 344 of file xdisplaylist.c.

References wl_Rectangle::action, wl_Arc::action, wl_String::action, wl_Polygon::action, wl_DisplayElt::action, wl_Arc::arcangle, wl_Line::color, wl_Rectangle::color, wl_Arc::color, wl_String::color, wl_Polygon::color, wl_GraphicClosure::display, wl_GraphicClosure::drawable, wl_String::font, wl_Line::function, wl_Rectangle::function, wl_Arc::function, wl_String::function, wl_Polygon::function, wl_GraphicClosure::gc, wl_Rectangle::height, wl_Arc::height, wl_Line::linewidth, wl_Rectangle::linewidth, wl_Arc::linewidth, wl_Polygon::linewidth, wl_Polygon::npoints, wl_Polygon::points, wl_Arc::startangle, wl_String::str, TRUE, wl_Rectangle::width, wl_Arc::width, wl_Rectangle::x, wl_Arc::x, wl_String::x, wl_Line::x0, wl_Line::x1, x_set_gc(), xDefaultFont, xDefaultLineWidth, wl_Rectangle::y, wl_Arc::y, wl_String::y, wl_Line::y0, and wl_Line::y1.

{
    Line *line;
    Arc *arc;
    Rectangle *rectangle;
    String *s;
    Polygon *polygon;


    switch (elt->action)
    {
        case DRAW_LINE:
        line = (Line *) elt;
        x_set_gc (g->display, g->gc, line->function,
              line->color, line->linewidth, xDefaultFont);
        XDrawLine (g->display, g->drawable, g->gc,
               line->x0, line->y0, line->x1, line->y1);
        break;

        case DRAW_ARC:
        case FILL_ARC:
        arc = (Arc *) elt;
        x_set_gc (g->display, g->gc, arc->function,
              arc->color, arc->linewidth, xDefaultFont);
        if (arc->action == DRAW_ARC)
            XDrawArc (g->display, g->drawable, g->gc,
              arc->x, arc->y, 
              arc->width, arc->height,
              arc->startangle, arc->arcangle);
        else
            XFillArc (g->display, g->drawable, g->gc,
              arc->x, arc->y, 
              arc->width, arc->height,
              arc->startangle, arc->arcangle);
        break;

        case DRAW_RECTANGLE:
        case FILL_RECTANGLE:
        rectangle = (Rectangle *) elt;
        x_set_gc (g->display, g->gc, rectangle->function,
              rectangle->color, rectangle->linewidth, xDefaultFont);
        if (rectangle->action == DRAW_RECTANGLE)
            XDrawRectangle (g->display, g->drawable, g->gc,
                rectangle->x, rectangle->y, 
                rectangle->width, rectangle->height);
        else
            XFillRectangle (g->display, g->drawable, g->gc,
                rectangle->x, rectangle->y, 
                rectangle->width, rectangle->height);
        break;

        case DRAW_STRING:
        case DRAW_IMAGE_STRING:
        s = (String *) elt;
        x_set_gc (g->display, g->gc, s->function,
              s->color, xDefaultLineWidth, s->font);
        if (s->action == DRAW_STRING)
            XDrawString (g->display, g->drawable, g->gc,
                 s->x, s->y, 
                 s->str, strlen (s->str));
        else
            XDrawImageString (g->display, g->drawable, g->gc,
                 s->x, s->y, 
                 s->str, strlen (s->str));
        break;

        case DRAW_POLYGON:
        case FILL_POLYGON:
        polygon = (Polygon *) elt;
        x_set_gc (g->display, g->gc, polygon->function,
              polygon->color, polygon->linewidth, xDefaultFont);
        if (polygon->action == FILL_POLYGON)
            XFillPolygon (g->display, g->drawable, g->gc,
                  polygon->points, polygon->npoints,
                  Complex, CoordModeOrigin);
        else
            XDrawLines   (g->display, g->drawable, g->gc,
                  polygon->points, polygon->npoints,
                  CoordModeOrigin);
        break;

    }

    return TRUE;
}

void x_free_display_list

(

ListHeader *

displaylist

)

x_free_display_list

Parameters

displaylist

- ListHeader *displaylist

Definition at line 548 of file xdisplaylist.c.

References List_Enum(), NULL, and x_free_elt().

{
  List_Enum (displaylist,( RefListEnumProc)x_free_elt, NULL);
}

static long x_free_elt ( DisplayElt *  elt, long *  closure  )

static

x_free_elt

Parameters

elt	- DisplayElt *elt
closure	- long *closure

Definition at line 494 of file xdisplaylist.c.

References wl_DisplayElt::action, FreeDisplayElt, wl_Polygon::points, wl_String::str, and TRUE.

{
    Line *line;
    Arc *arc;
    Rectangle *rectangle;
    String *s;
    Polygon *polygon;


    /* free the attributes of the element */
    switch (elt->action)
    {
        case DRAW_LINE:
        /* no attribute to free ? */
        break;

        case DRAW_ARC:
        case FILL_ARC:
        /* no attribute to free ? */
        break;

        case DRAW_RECTANGLE:
        case FILL_RECTANGLE:
        /* no attribute to free ? */
        break;

        case DRAW_STRING:
        case DRAW_IMAGE_STRING:
        s = (String *) elt;
        free (s->str);
        break;

        case DRAW_POLYGON:
        case FILL_POLYGON:
        polygon = (Polygon *) elt;
        free (polygon->points);
        break;

    }

    /* finaly, free the element itself */
    FreeDisplayElt (elt);
    
    return TRUE;
}

static ListLinks * x_get_links_of_display_list ( DisplayElt *  elt )

static

x_get_links_of_display_list

Parameters

elt	- DisplayElt *elt

Definition at line 110 of file xdisplaylist.c.

{
    return &((Line *) elt)->links;
}

static void x_get_rgb_values ( Display *  display, Window  window, unsigned long  color, XColor *  rgb  )

static

x_get_rgb_values

Parameters

display	- Display *display
window	- Window window
color	-unsigned long color
rgb	- XColor *rgb

Definition at line 662 of file xdisplaylist.c.

{
    XWindowAttributes windowAttributes;

    XGetWindowAttributes (display, window, &windowAttributes);
    rgb->pixel = color;
    XQueryColor (display, windowAttributes.colormap, rgb);
}

static long x_postscript_elt ( DisplayElt *  elt, PostScriptClosure *  psc  )

static

x_postscript_elt

Parameters

elt	- DisplayElt *elt
psc	- PostScriptClosure *psc

Definition at line 678 of file xdisplaylist.c.

References wl_Rectangle::action, wl_Arc::action, wl_String::action, wl_DisplayElt::action, add_number(), add_string(), wl_Arc::arcangle, BUF_SIZE, wl_Line::color, wl_Rectangle::color, wl_Arc::color, wl_String::color, wl_Polygon::color, wl_PostScriptClosure::display, wl_PostScriptClosure::f, wl_Rectangle::height, wl_Arc::height, wl_PostScriptClosure::height, wl_Line::linewidth, wl_Rectangle::linewidth, wl_Arc::linewidth, wl_Polygon::npoints, wl_Polygon::points, wl_Arc::startangle, wl_String::str, TRUE, wl_Rectangle::width, wl_Arc::width, wl_PostScriptClosure::window, wl_Rectangle::x, wl_Arc::x, wl_String::x, wl_Line::x0, wl_Line::x1, x_get_rgb_values(), wl_Rectangle::y, wl_Arc::y, wl_String::y, wl_Line::y0, and wl_Line::y1.

{
    Line *line;
    Arc *arc;
    Rectangle *rectangle;
    String *s;
    Polygon *polygon;
    char buf[BUF_SIZE];
    char *pbuf;
    XPoint *p;
    XColor color;
    long i;
    int ret; // added bacause of compiler warning - should be checked below 


    buf[0] = 0;
    pbuf = buf;

    switch (elt->action)
    {
        case DRAW_LINE:
        line = (Line *) elt;

        pbuf = add_number (pbuf, line->x0);
        pbuf = add_number (pbuf, psc->height - line->y0);
        pbuf = add_number (pbuf, line->x1);
        pbuf = add_number (pbuf, psc->height - line->y1);
        x_get_rgb_values ((Display *)psc->display, psc->window, line->color, &color); // added cast DJD
        pbuf = add_number (pbuf, color.red);
        pbuf = add_number (pbuf, color.green);
        pbuf = add_number (pbuf, color.blue);
        pbuf = add_number (pbuf, line->linewidth);
        pbuf = add_string (pbuf, "line\n");
        ret = write (psc->f, pbuf, strlen (pbuf));
        break;

        case DRAW_RECTANGLE:
        case FILL_RECTANGLE:
        rectangle = (Rectangle *) elt;

        pbuf = add_number (pbuf, rectangle->x);
        pbuf = add_number (pbuf, psc->height - rectangle->y);
        pbuf = add_number (pbuf, rectangle->width);
        pbuf = add_number (pbuf, rectangle->height);
        x_get_rgb_values ((Display *) psc->display, psc->window, rectangle->color, &color); // added cast DJD
        pbuf = add_number (pbuf, color.red);
        pbuf = add_number (pbuf, color.green);
        pbuf = add_number (pbuf, color.blue);

        if (rectangle->action == DRAW_RECTANGLE)
        {
        pbuf = add_number (pbuf, rectangle->linewidth);
        pbuf = add_string (pbuf, "true ");
        }
        else
        {
        pbuf = add_number (pbuf, 1);
        pbuf = add_string (pbuf, "false ");
        }

        pbuf = add_string (pbuf, "rect\n");
        ret = write (psc->f, pbuf, strlen (pbuf));
        break;

        case DRAW_ARC:
        case FILL_ARC:
        arc = (Arc *) elt;
        pbuf = add_number (pbuf, arc->x+arc->width/2);
        pbuf = add_number (pbuf, psc->height - (arc->y+arc->height/2));
        pbuf = add_number (pbuf, arc->width/2);
        pbuf = add_number (pbuf, arc->height/2);
        pbuf = add_number (pbuf, arc->startangle);
        pbuf = add_number (pbuf, (arc->startangle+arc->arcangle)/64);
        x_get_rgb_values ((Display *)psc->display, psc->window, arc->color, &color); // added cast DJD
        pbuf = add_number (pbuf, color.red);
        pbuf = add_number (pbuf, color.green);
        pbuf = add_number (pbuf, color.blue);

        if (arc->action == DRAW_ARC)
        {
        pbuf = add_number (pbuf, arc->linewidth);
        pbuf = add_string (pbuf, "true ");
        }
        else
        {
        pbuf = add_number (pbuf, 1);
        pbuf = add_string (pbuf, "false ");
        }

        pbuf = add_string (pbuf, "earc\n");
        ret = write (psc->f, pbuf, strlen (pbuf));
        break;

        case DRAW_STRING:
        case DRAW_IMAGE_STRING:
        s = (String *) elt;
        pbuf = add_number (pbuf, s->x);
        pbuf = add_number (pbuf, psc->height - s->y);
        pbuf = add_string (pbuf, "(");
        pbuf = add_string (pbuf, s->str);
        pbuf = add_string (pbuf, ") ");
        x_get_rgb_values ((Display *)psc->display, psc->window, s->color, &color); // added cast DJD
        pbuf = add_number (pbuf, color.red);
        pbuf = add_number (pbuf, color.green);
        pbuf = add_number (pbuf, color.blue);

        if (s->action == DRAW_STRING)
        pbuf = add_string (pbuf, "true ");
        else
        pbuf = add_string (pbuf, "false ");

        pbuf = add_string (pbuf, "dstr\n");
        ret = write (psc->f, pbuf, strlen (pbuf));
        break;

        case FILL_POLYGON:
        polygon = (Polygon *) elt;

        x_get_rgb_values ((Display *)psc->display, psc->window, polygon->color, &color); // added cast DJD
        pbuf = add_number (pbuf, color.red);
        pbuf = add_string (pbuf, "65535 div ");
        pbuf = add_number (pbuf, color.green);
        pbuf = add_string (pbuf, "65535 div ");
        pbuf = add_number (pbuf, color.blue);
        pbuf = add_string (pbuf, "65535 div ");
        pbuf = add_string (pbuf, "setrgbcolor ");

        p = polygon->points;
        pbuf = add_string (pbuf, "np ");
        pbuf = add_number (pbuf, p->x);
        pbuf = add_number (pbuf, psc->height - p->y);
        pbuf = add_string (pbuf, "mt\n");
        ++p;
        for (i=1; i<polygon->npoints; i++, p++)
        {
        pbuf = add_number (pbuf, p->x);
        pbuf = add_number (pbuf, psc->height - p->y);
        pbuf = add_string (pbuf, "lt ");
        if (i%4==0)
            pbuf = add_string (pbuf, "\n");
        }

        pbuf = add_string (pbuf, "cp fi\n");
        ret = write (psc->f, pbuf, strlen (pbuf));
        break;
    }

    return TRUE;
}

static void x_postscript_prolog ( long  f )

static

x_postscript_prolog

Parameters

f

- long f

Definition at line 599 of file xdisplaylist.c.

References prolog.

{
    long i;
    int ret; // added bacause of compiler warning - should be checked below 

    for (i = 0; prolog[i] != 0; i++)
        ret = write (f, prolog[i], strlen (prolog[i]));
}

long x_postscript_window	(	Display *	display,
		Window	window,
		ListHeader *	displaylist,
		char *	filename
	)

x_postscript_window

Parameters

display	- Display *display
window	- Window window
displaylist	- ListHeader *displaylist
filename	-char *filename

Definition at line 839 of file xdisplaylist.c.

References wl_PostScriptClosure::display, Errorline(), wl_PostScriptClosure::f, FALSE, wl_PostScriptClosure::height, List_Enum(), TRUE, wl_PostScriptClosure::window, x_postscript_elt(), and x_postscript_prolog().

{
    XWindowAttributes windowAttributes;
    PostScriptClosure psc;
    int ret; // added bacause of compiler warning - should be checked below 
     


    psc.display = (GENERIC)display;  
    psc.window = window;
    if ((psc.f = open (filename, O_CREAT|O_WRONLY|O_TRUNC, 
           S_IRUSR|S_IWUSR|S_IRWXG)) == -1)
    {
    Errorline ("\n*** Error: cannot open file %s.\n", filename);
    return FALSE;
    }
    
    XGetWindowAttributes (display, window, &windowAttributes);
    psc.height = windowAttributes.height;
    x_postscript_prolog (psc.f);
    List_Enum (displaylist,( RefListEnumProc)x_postscript_elt, &psc);
    ret = write (psc.f, "showpage\n", strlen ("showpage\n"));
    close (psc.f);

    return TRUE;
}

void x_record_arc	(	ListHeader *	displaylist,
		Action	action,
		long	x,
		long	y,
		long	width,
		long	height,
		long	startangle,
		long	arcangle,
		unsigned long	function,
		unsigned long	color,
		unsigned long	linewidth
	)

x_record_arc

Parameters

displaylist	- ListHeader *displaylist
action	- Action action
x	- long x
y	- long y
width	- long width
height	- long height
startangle	- long startangle
arcangle	- long arcangle
function	- unsigned long function
color	- unsigned long color
linewidth	- unsigned long linewidth

Definition at line 221 of file xdisplaylist.c.

References wl_Arc::action, AllocDisplayElt, wl_Arc::arcangle, wl_Arc::color, wl_Arc::function, wl_Arc::height, wl_Arc::linewidth, List_Append(), wl_Arc::startangle, wl_Arc::width, wl_Arc::x, and wl_Arc::y.

{
    Arc * elt;

    elt = (Arc *) AllocDisplayElt ();
    elt->action = action;
    elt->x = x;
    elt->y = y;
    elt->width = width;
    elt->height = height;
    elt->startangle = startangle;
    elt->arcangle = arcangle;
    elt->function = function;
    elt->color = color;
    elt->linewidth = linewidth;
    List_Append (displaylist, (Ref) elt);
}

void x_record_line	(	ListHeader *	displaylist,
		Action	action,
		long	x0,
		long	y0,
		long	x1,
		long	y1,
		unsigned long	function,
		unsigned long	color,
		unsigned long	linewidth
	)

x_record_line

Parameters

displaylist	ListHeader *displaylist
action	- Action action
x0	- long x0
y0	- long y0
x1	- long x1
y1	- long y1
function	- unsigned long function
color	- unsigned long color
linewidth	- unsigned long linewidth

Definition at line 186 of file xdisplaylist.c.

References wl_Line::action, AllocDisplayElt, wl_Line::color, wl_Line::function, wl_Line::linewidth, List_Append(), wl_Line::x0, wl_Line::x1, wl_Line::y0, and wl_Line::y1.

{
    Line * elt;

    elt = (Line *) AllocDisplayElt ();
    elt->action = action;
    elt->x0 = x0;
    elt->y0 = y0;
    elt->x1 = x1;
    elt->y1 = y1;
    elt->function = function;
    elt->color = color;
    elt->linewidth = linewidth;
    List_Append (displaylist, (Ref) elt);
}

void x_record_polygon	(	ListHeader *	displaylist,
		Action	action,
		XPoint *	points,
		long	npoints,
		unsigned long	function,
		unsigned long	color,
		unsigned long	linewidth
	)

x_record_polygon

Parameters

displaylist	- ListHeader *displaylist
action	Action action
points	- XPoint *points
npoints	- long npoints
function	- unsigned long function
color	- unsigned long color
linewidth	- unsigned long linewidth

Definition at line 285 of file xdisplaylist.c.

References wl_Polygon::action, AllocDisplayElt, wl_Polygon::color, wl_Polygon::function, wl_Polygon::linewidth, List_Append(), wl_Polygon::npoints, and wl_Polygon::points.

{
    Polygon * elt;
    XPoint *p;


    elt = (Polygon *) AllocDisplayElt ();
    elt->action = action;
    elt->npoints = npoints;
    elt->points = p = (XPoint *) malloc (npoints*2*sizeof(short));
    for (; npoints > 0; npoints--, p++, points++)
        *p = *points;
    elt->function = function;
    elt->color = color;
    elt->linewidth = linewidth;
    List_Append (displaylist, (Ref) elt);
}

void x_record_rectangle	(	ListHeader *	displaylist,
		Action	action,
		long	x,
		long	y,
		long	width,
		long	height,
		unsigned long	function,
		unsigned long	color,
		unsigned long	linewidth
	)

x_record_rectangle

Parameters

displaylist	- ListHeader *displaylist
action	- Action action
x	- long x
y	- long y
width	- long width
height	- long height
function	- unsigned long function
color	- unsigned long color
linewidth	- unsigned long linewidth

Definition at line 255 of file xdisplaylist.c.

References wl_Rectangle::action, AllocDisplayElt, wl_Rectangle::color, wl_Rectangle::function, wl_Rectangle::height, wl_Rectangle::linewidth, List_Append(), wl_Rectangle::width, wl_Rectangle::x, and wl_Rectangle::y.

{
    Rectangle * elt;

    elt = (Rectangle *) AllocDisplayElt ();
    elt->action = action;
    elt->x = x;
    elt->y = y;
    elt->width = width;
    elt->height = height;
    elt->function = function;
    elt->color = color;
    elt->linewidth = linewidth;
    List_Append (displaylist, (Ref) elt);
}

void x_record_string	(	ListHeader *	displaylist,
		Action	action,
		long	x,
		long	y,
		char *	str,
		Font	font,
		unsigned long	function,
		unsigned long	color
	)

x_record_string

Parameters

displaylist	- ListHeader *displaylist
action	- Action action
x	- long x
y	- long y
str	- char *str
font	- Font font
function	- unsigned long function
color	- unsigned long color

Definition at line 318 of file xdisplaylist.c.

References wl_String::action, AllocDisplayElt, wl_String::color, wl_String::font, wl_String::function, List_Append(), wl_String::str, wl_String::x, and wl_String::y.

{ // font & str order was reversed DJD  
    String * elt;

    elt = (String *) AllocDisplayElt ();
    elt->action = action;
    elt->x = x;
    elt->y = y;
    elt->str = (char *) malloc (strlen (str)+1); /* 11.9 */
    strcpy (elt->str, str);
    *(elt->str+strlen(str)) = '\0';
    elt->function = function;
    elt->color = color;
    elt->font = font;
    List_Append (displaylist, (Ref) elt);
}

void x_refresh_window	(	Display *	display,
		Window	window,
		Pixmap	pixmap,
		GC	pixmapgc,
		ListHeader *	displaylist
	)

x_refresh_window

Parameters

display	- Display *display
window	- Window window
pixmap	- Pixmap pixmap
pixmapgc	- GC pixmapgc
displaylist	- ListHeader *displaylist

Definition at line 447 of file xdisplaylist.c.

References wl_GraphicClosure::display, wl_GraphicClosure::drawable, wl_GraphicClosure::gc, List_Enum(), x_draw_elt(), x_set_gc(), xDefaultFont, and xDefaultLineWidth.

{
    XWindowAttributes attr;
    GraphicClosure g;


    /* disable the GraphicsExpose emitted by XCopyArea */
    XSetGraphicsExposures (display, pixmapgc, False);

    /* get the geometry of the window */
    XGetWindowAttributes (display, window, &attr);

#if 0
    /* does not work with a pixmap, only with windows !! @#@^&%#(*&! - jch */
    XClearArea (display, pixmap, 0, 0, 
        attr.width, attr.height, False);
#endif

    x_set_gc (display, pixmapgc, GXcopy, attr.backing_pixel,
          xDefaultLineWidth, xDefaultFont);

    XFillRectangle (display, pixmap, pixmapgc,
            0, 0, attr.width, attr.height);

    g.display = display;
    g.drawable = pixmap;
    g.gc = pixmapgc;

    List_Enum (displaylist,(RefListEnumProc) x_draw_elt, &g);


    if (window != pixmap)
        XCopyArea (display, pixmap, window, pixmapgc, 0, 0, 
           attr.width, attr.height, 0, 0);

    XSync (display, 0);
}

void x_set_gc	(	Display *	display,
		GC	gc,
		long	function,
		unsigned long	color,
		long	linewidth,
		Font	font
	)

x_set_gc

Parameters

display	- Display *display
gc	- GC gc
function	- long function
color	- unsigned long color
linewidth	- long linewidth
font	- Font font

Definition at line 142 of file xdisplaylist.c.

References xDefaultFont, and xDefaultLineWidth.

{
    XGCValues gcvalues;
    unsigned long valuemask;


    gcvalues.function = function;
    gcvalues.foreground = color;
    valuemask = GCFunction | GCForeground;

    if (linewidth != xDefaultLineWidth)
    {
    gcvalues.line_width = linewidth;
    valuemask |= GCLineWidth;
    }

    if (font != xDefaultFont)
    {
    gcvalues.font = font;
    valuemask |= GCFont;
    }

    XChangeGC (display, gc, valuemask, &gcvalues);
}

Variable Documentation

char nstr[BUF_SIZE]

static

Definition at line 612 of file xdisplaylist.c.

char* prolog[]

static

Definition at line 555 of file xdisplaylist.c.