2021-10-11 18:37:13 -03:00

676 lines
21 KiB
C

/*
* Copyright (c) 1986, 1987, 1988, 1989 by Sun Microsystems, Inc.
* Permission to use, copy, modify, and distribute this software for any
* purpose and without fee is hereby granted, provided that the above
* copyright notice appear in all copies and that both that copyright
* notice and this permission notice are retained, and that the name
* of Sun Microsystems, Inc., not be used in advertising or publicity
* pertaining to this software without specific, written prior permission.
* Sun Microsystems, Inc., makes no representations about the suitability
* of this software or the interface defined in this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
#ifndef lint
static char sccsid[] = "@(#)cg2dd.c 1.1 94/10/31 Copyr 1985 Sun Micro";
#endif
/*
* Copyright (c) 1985 by Sun Microsystems, Inc.
*/
/*
Device dependent core graphics driver for SUN color display
*/
#include <sunwindow/window_hs.h>
#include "coretypes.h"
#include "corevars.h"
#include "langnames.h"
#include <sys/file.h>
#include <sun/fbio.h>
#include <strings.h>
#define NULL 0
extern struct pixrectops mem_ops;
extern PIXFONT *_core_defaultfont;
#include "cgdd.h"
static struct mpr_data mprdata = {0, 0, 0, 0, 1, 0};
static struct pixrect mprect = {&mem_ops, 0, 0, 0, (caddr_t)&mprdata};
#define devscale(x_ndc_coord, y_ndc_coord, x_dev_coord, y_dev_coord) \
if (ip->screen->pr_height != ip->screen->pr_width) { \
if (ip->fullx){ \
x_dev_coord = (x_ndc_coord + (x_ndc_coord>>3)) >>5; \
y_dev_coord = ip->maxy - ( ((y_ndc_coord + \
(y_ndc_coord >> 3)) >> 5) + ip->yoff); \
} else if (ip->fully) { \
x_dev_coord = (( x_ndc_coord - (x_ndc_coord >> 3)) >> 5)\
+ ip->xoff; \
y_dev_coord = ip->maxy - ((y_ndc_coord - \
(y_ndc_coord >> 3)) >> 5); \
} else { \
x_dev_coord = (x_ndc_coord<<10)/ip->scale+ip->xoff; \
y_dev_coord = ip->maxy-((y_ndc_coord<<10)/ip->scale);\
} \
} else { \
if (ip->fullx){ \
x_dev_coord = x_ndc_coord >> 5; \
y_dev_coord = ip->maxy -((y_ndc_coord>>5)+ip->yoff);\
} else if (ip->fully) { \
x_dev_coord = ( x_ndc_coord >> 5) + ip->xoff; \
y_dev_coord = ip->maxy - (y_ndc_coord >> 5); \
} else { \
x_dev_coord = (x_ndc_coord<<10)/ip->scale+ip->xoff; \
y_dev_coord = ip->maxy-((y_ndc_coord<<10)/ip->scale);\
} \
}
#define vecscale( xin, yin, xout, yout) \
if (ip->screen->pr_height != ip->screen->pr_width) { \
if (ip->fullx) { \
xout = xin + (xin >> 3); \
yout = yin + (yin >> 3); \
} else if (ip->fully) { \
xout = xin - (xin >> 3); \
yout = yin - (yin >> 3); \
} else { \
xout = (xin << 15) / ip->scale; \
yout = (yin << 15) / ip->scale; \
} \
} else { \
if (ip->fullx || ip->fully) { \
xout = xin; \
yout = yin; \
} else { \
xout = (xin << 15) / ip->scale; \
yout = (yin << 15) / ip->scale; \
} \
}
static int planes = 255;
/*------------------------------------*/
FORTNAME(cg2dd)
PASCNAME(cg2dd)
cg2dd(ddstruct) register ddargtype *ddstruct;
{
register short i1,i2,i3,i4;
int i, error = 0;
float fx, fy, aspect_ratio;
rast_type *rptr;
ipt_type *p1ptr, *p2ptr;
int x,y,xs,ys,width,height;
u_char *p1, *p2, *p3;
porttype vwport, *vp;
struct pixrect *subpr; /* viewport pixrect for clip */
struct cgddvars *ip; /* pointer to instance state vars */
vtxtype *vptr1, *vptr2;
struct pr_prpos prprpos;
ip = (struct cgddvars *)ddstruct->instance;
switch(ddstruct->opcode) {
case INITZB: /* init zbuffer */
if ( !_core_init_pwzbuffer( ip->screen->pr_width,
ip->screen->pr_height, &ip->zbuffer, &ip->cutaway)) {
ddstruct->logical = TRUE;
ip->openzbuffer = TRUE;
} else
(void)printf("can't init zbuffer\n");
break;
case TERMZB:
if (ip->openzbuffer) {
_core_terminate_pwzbuffer(ip->zbuffer, ip->cutaway);
if (ip->xarr) free((char *)ip->xarr);
if (ip->zarr) free((char *)ip->zarr);
ip->openzbuffer = FALSE;
} else return( 1);
break;
case SETZBCUT:
if (ip->openzbuffer) { /* ptr1 -> xarr; ptr2 -> zarr */
if (ip->xarr) free((char *)ip->xarr);
if (ip->zarr) free((char *)ip->zarr);
ip->cutarraysize = ddstruct->int1;
ip->xarr = (float*)malloc((unsigned int)(sizeof(float) * ip->cutarraysize));
ip->zarr = (float*)malloc((unsigned int)(sizeof(float) * ip->cutarraysize));
for (i1=0; i1<ip->cutarraysize; i1++) {
*(ip->xarr + i1) = *((float*)ddstruct->ptr1+i1);
*(ip->zarr + i1) = *((float*)ddstruct->ptr2+i1);
}
_core_set_pwzbufcut( ip->cutaway, ip->xarr, ip->zarr,
ip->cutarraysize);
} else return( 1);
break;
case INITIAL: {
static char cgtwodev[] = "/dev/cgtwo0";
struct screen screen;
int fbfd, pwprfd;
struct cms_map cmap;
viewsurf *surfp;
surfp = (viewsurf*)ddstruct->ptr1;
(void)win_initscreenfromargv(&screen, (char **)0);
if (*surfp->vsurf.screenname != '\0') {
if ((fbfd = _core_chkdev(surfp->vsurf.screenname,
FBTYPE_SUN2COLOR, ddstruct->int1)) >= 0)
(void)strncpy(screen.scr_fbname,
surfp->vsurf.screenname, SCR_NAMESIZE);
else {
ddstruct->logical = FALSE;
return( 1);
}
}
else if ((fbfd = _core_chkdev("/dev/fb", FBTYPE_SUN2COLOR,
ddstruct->int1)) >= 0)
(void)strncpy(screen.scr_fbname, "/dev/fb", SCR_NAMESIZE);
else {
fbfd = _core_getfb(cgtwodev,FBTYPE_SUN2COLOR, ddstruct->int1);
if (fbfd >= 0)
(void)strncpy(screen.scr_fbname, cgtwodev, SCR_NAMESIZE);
else {
ddstruct->logical = FALSE;
return( 1);
}
}
if (!ddstruct->int1)
(void)strncpy(screen.scr_kbdname, "NONE", SCR_NAMESIZE);
if ((pwprfd = win_screennew(&screen)) < 0) {
ddstruct->logical = FALSE;
return( 1);
}
(void)win_screenget(pwprfd, &screen);
ddstruct->logical = TRUE;
ip = (struct cgddvars *) malloc(sizeof(struct cgddvars));
ip->wind.pixwin = pw_open(pwprfd);
ip->wind.winfd = pwprfd;
ip->wind.needlock = FALSE;
ip->wind.rawdev = TRUE;
ip->screen = ip->wind.pixwin->pw_pixrect;
ip->maxz = 32767;
ip->maxy = ip->screen->pr_height - 1;
ip->wind.ndcxmax = MAX_NDC_COORD;
if (ip->screen->pr_height == ip->screen->pr_width)
ip->wind.ndcymax = MAX_NDC_COORD;
else
ip->wind.ndcymax = (MAX_NDC_COORD * 3) / 4;
ip->curstrk = FALSE;
ip->lockcount = 0;
ip->fullx = TRUE;
ip->fully = FALSE;
ip->xoff = 0;
ip->yoff = 0;
ip->lineop = ip->fillop = PIX_SRC; /* default rop funcs */
ip->fillrastop = ip->RAS8func = PIX_SRC;
ip->cursorrop = PIX_NOT(PIX_SRC);
ip->vtextop = ip->rtextop = PIX_SRC;
ip->lineindex = 1; ip->textindex = 1; ip->fillindex = 1;
ip->pf = _core_defaultfont; /* load default font */
ip->openfont = -1;
ip->lineop = PIX_SET;
for (i1=0; i1<256; i1++) { /* load color map 0 */
ip->red[i1] = 0; ip->green[i1] = 0; ip->blue[i1] = 0;
}
ip->red[0] = 150; ip->green[0] = 150; /* grey backgrnd */
ip->blue[0] = 150;
for (i1=2; i1<64; i1++) ip->red[i1] = (i1<<2);
for (i1=64; i1<128; i1++) ip->green[i1] = (i1-64)<<2;
for (i1=128; i1<192; i1++) ip->blue[i1] = (i1-128)<<2;
for (i1=192; i1<256; i1++) {
ip->red[i1] = (i1-192)<<2; ip->green[i1] = (i1-192)<<2;
}
ip->openzbuffer = FALSE;
(void)strncpy(ip->cmsname,surfp->vsurf.cmapname,DEVNAMESIZE);
cmap.cm_red = ip->red;
cmap.cm_green = ip->green;
cmap.cm_blue = ip->blue;
_core_standardcmap(ip->cmsname, (struct colormapseg *)0, &cmap);
(void)pr_putattributes( ip->screen, &planes);
(void)pw_setcmsname( ip->wind.pixwin, ip->cmsname);
(void)pw_putcolormap(ip->wind.pixwin, 0,256,
ip->red,ip->green,ip->blue);
surfp->windptr = &ip->wind;
surfp->vsurf.instance = (int) ip;
(void)strncpy(surfp->vsurf.screenname, screen.scr_fbname,DEVNAMESIZE);
(void)strncpy(surfp->vsurf.windowname, screen.scr_rootname,
DEVNAMESIZE);
surfp->vsurf.windowfd = pwprfd;
surfp->windptr = &ip->wind;
surfp->erasure = TRUE; /* view surface capabilities */
surfp->txhardwr = TRUE;
surfp->clhardwr = TRUE;
surfp->hihardwr = TRUE;
surfp->lshardwr = TRUE;
surfp->lwhardwr = TRUE;
_core_winupdate(&ip->wind);
if (surfp->vsurf.ptr != NULL)
_core_setadjacent(*surfp->vsurf.ptr, &screen);
}
break;
case TERMINATE:
if (ip->pf != _core_defaultfont)
(void)pf_close( ip->pf);
(void)pw_close( ip->wind.pixwin);
(void)win_screendestroy( ip->wind.winfd);
(void)close(ip->wind.winfd);
free((char *)ip);
break;
case SETNDC:
fx = ddstruct->float1;
fy = ddstruct->float2;
ip->maxz = (int) (ddstruct->float3 * 32767.);
aspect_ratio = fy / fx;
if (aspect_ratio <= ((float)ip->screen->pr_height /
(float)ip->screen->pr_width) )
{ /* full 32K NDC maps to full ip->screen width */
ip->xoff = 0;
ip->yoff = (int) ((ip->screen->pr_height -
ip->screen->pr_width * aspect_ratio) / 2.0);
ip->fullx = TRUE; ip->fully = FALSE;
ip->wind.ndcxmax = MAX_NDC_COORD;
ip->wind.ndcymax = aspect_ratio * MAX_NDC_COORD;
}
else if (fy < 1.0)
{ /* fy*32K NDC maps to full ip->screen height */
ip->yoff = 0;
ip->xoff = (int) ((ip->screen->pr_width -
ip->screen->pr_height / aspect_ratio) / 2.0);
ip->scale = (int) (fy * 32768. /
ip->screen->pr_height * 1024.);
ip->fullx = FALSE; ip->fully = FALSE;
ip->wind.ndcxmax = MAX_NDC_COORD;
ip->wind.ndcymax = aspect_ratio * MAX_NDC_COORD;
}
else
{ /* full 32K NDC maps to full ip->screen height*/
ip->yoff = 0;
ip->xoff = (int) ((ip->screen->pr_width -
ip->screen->pr_height / aspect_ratio) / 2.0);
ip->fullx = FALSE; ip->fully = TRUE;
ip->wind.ndcymax = MAX_NDC_COORD;
ip->wind.ndcxmax = MAX_NDC_COORD / aspect_ratio;
}
_core_winupdate(&ip->wind);
break;
case CLEAR:
if (ip->wind.needlock)
(void)pw_lock(ip->wind.pixwin, (Rect *)&ip->wind.rect);
(void)pr_rop(ip->screen,0,0,ip->screen->pr_width,
ip->screen->pr_height, PIX_CLR,(struct pixrect *)0,0,0); /*zero screen*/
if (ip->wind.needlock)
(void)pw_unlock(ip->wind.pixwin);
if (ip->openzbuffer)
_core_clear_pwzbuffer( ip->zbuffer, (struct pixrect *)0);
break;
case GETTAB:
p1 = (u_char *)ddstruct->ptr1;
p2 = (u_char *)ddstruct->ptr2;
p3 = (u_char *)ddstruct->ptr3;
for (i1=ddstruct->int1; i1<=ddstruct->int2; i1++) {
*p1++ = ip->red[i1];
*p2++ = ip->green[i1];
*p3++ = ip->blue[i1];
}
break;
case SETTAB:
p1 = (u_char *)ddstruct->ptr1;
p2 = (u_char *)ddstruct->ptr2;
p3 = (u_char *)ddstruct->ptr3;
for (i1=ddstruct->int1; i1<=ddstruct->int2; i1++) {
ip->red[i1] = *p1++;
ip->green[i1] = *p2++;
ip->blue[i1] = *p3++;
}
(void)pw_putcolormap(ip->wind.pixwin, 0, 256,
ip->red,ip->green,ip->blue);
break;
case SETLCOL:
ip->lineindex = ddstruct->int1;
if (ddstruct->int2 == 1) { /* XORing */
ip->lineop = PIX_SRC ^ PIX_DST;
} else if (ddstruct->int2 == 2) { /* ORing */
if (ddstruct->int3) { /* erase */
ip->lineop = ~PIX_SRC & PIX_DST;
} else { /* paint */
ip->lineop = PIX_SRC | PIX_DST;
}
} else {
if (ddstruct->int3) { /* erasing */
ip->lineop = PIX_CLR;
} else { /* painting */
ip->lineop = PIX_SRC;
}
}
break;
case SETTCOL: /* select colors for text */
ip->textindex = ddstruct->int1;
if (ddstruct->int2 == 1) { /* XORing */
ip->rtextop = ip->vtextop = PIX_SRC ^ PIX_DST;
} else if (ddstruct->int2 == 2) { /* ORing */
if (ddstruct->int3) { /* erase */
ip->rtextop = ip->vtextop = (~PIX_SRC & PIX_DST);
} else { /* paint */
ip->rtextop = ip->vtextop = PIX_SRC | PIX_DST;
}
} else {
if (ddstruct->int3) { /* erasing */
ip->rtextop = ip->vtextop = PIX_CLR;
} else { /* painting */
ip->rtextop = ip->vtextop = PIX_SRC;
}
}
break;
case SETFCOL: /* select colors for polygon fill */
ip->fillindex = ddstruct->int1;
if (ddstruct->int2 == 1) { /* XORing */
ip->fillop = ip->fillrastop = ip->RAS8func =
PIX_SRC ^ PIX_DST;
} else if (ddstruct->int2 == 2) { /* ORing */
if (ddstruct->int3) { /* erase */
ip->fillop = ip->RAS8func = ip->fillrastop =
~PIX_SRC & PIX_DST;
} else { /* paint */
ip->fillop = ip->RAS8func = ip->fillrastop =
PIX_SRC | PIX_DST;
}
} else {
if (ddstruct->int3) { /* erasing */
ip->fillop = ip->fillrastop = ip->RAS8func = PIX_CLR;
} else { /* painting */
ip->fillop = ip->fillrastop = ip->RAS8func = PIX_SRC;
}
}
break;
case ECHOMOVE:
case MOVE:
devscale(ddstruct->int1,ddstruct->int2,ip->ddcp[0],ip->ddcp[1]);
break;
case SETWIDTH:
if (ip->screen->pr_height != ip->screen->pr_width) {
if (ip->fullx) {
i = ddstruct->int1;
ip->linewidth = (i+(i>>3)+16)>>5;
} else if (ip->fully) {
i = ddstruct->int1;
ip->linewidth = (i-(i>>3)+16)>>5;
} else {
i = (int) ((float) (ip->scale) / 2048.);
ip->linewidth = ((ddstruct->int1 + i) << 10) /
ip->scale;
}
} else {
if (ip->fullx || ip->fully){
i = ddstruct->int1;
ip->linewidth = (i+16)>>5;
} else {
i = (int) ((float) (ip->scale) / 2048.);
ip->linewidth = ((ddstruct->int1 + i) << 10) /
ip->scale;
}
}
break;
case SETSTYL:
ip->linestyle = ddstruct->int1; break;
case SETPISTYL:
ip->polyintstyle = ddstruct->int1; break;
case ECHOLINE:
case LINE:
devscale(ddstruct->int1, ddstruct->int2, i1, i2);
i = ip->lineop | PIX_COLOR( ip->lineindex);
if ( ip->linestyle || (ip->linewidth > 1))
_core_csimline( ip->ddcp[0],ip->ddcp[1],i1,
i2, i, &ip->wind, ip->linewidth,ip->linestyle);
else {
if (ip->wind.needlock)
(void)pw_lock(ip->wind.pixwin, (Rect *)&ip->wind.rect);
(void)pr_vector(ip->screen,ip->ddcp[0],ip->ddcp[1],
i1,i2, i, ip->lineindex);
if (ip->wind.needlock)
(void)pw_unlock(ip->wind.pixwin);
}
ip->ddcp[0] = i1; ip->ddcp[1] = i2;
break;
case SETFONT: /* font text attribute */
ip->ddfont = ddstruct->int1;
break;
case SETUP: /* text up direction */
ip->ddup = *((ipt_type*)ddstruct->ptr1); /* NDC coords */
vecscale( ip->ddup.x, ip->ddup.y, x, y);
ip->ddup.x = x;
ip->ddup.y = -y;
/* ddup is character height vector in dev coords << 5 */
break;
case SETPATH: /* text path direction */
ip->ddpath = *((ipt_type*)ddstruct->ptr1); /* in NDC */
vecscale( ip->ddpath.x, ip->ddpath.y, x, y);
ip->ddpath.x = x;
ip->ddpath.y = -y;
/* ddpath is character width vector in dev coords << 5 */
break;
case SETSPACE: /* text leading << 5*/
ip->ddspace = *((ipt_type*)ddstruct->ptr1);
vecscale( ip->ddspace.x, ip->ddspace.y, x, y);
ip->ddspace.x = x;
ip->ddspace.y = -y;
break;
case VTEXT: /* vector text */
vp = (porttype*)ddstruct->ptr2; /* ptr2 = &viewport */
devscale(vp->xmin, vp->ymin, vwport.xmin, vwport.ymax);
devscale(vp->xmax, vp->ymax, vwport.xmax, vwport.ymin);
i = ip->vtextop | PIX_COLOR(ip->textindex);
_core_cprvectext( ddstruct->ptr1, ip->ddfont,
&ip->ddup,&ip->ddpath,&ip->ddspace, ip->ddcp[0],
ip->ddcp[1],&vwport,i, &ip->wind);
break;
case TEXT: /* raster text */
if (ip->ddfont != ip->openfont) {
if (ip->pf != _core_defaultfont)
(void)pf_close( ip->pf);
ip->openfont = ip->ddfont;
switch ( ip->ddfont ) {
case 0: ip->pf = pf_open(
"/usr/lib/fonts/fixedwidthfonts/gallant.r.10");
break;
case 1: ip->pf = pf_open(
"/usr/lib/fonts/fixedwidthfonts/gacha.r.8");
break;
case 2: ip->pf =
pf_open("/usr/lib/fonts/fixedwidthfonts/sail.r.6");
break;
case 3: ip->pf =
pf_open("/usr/lib/fonts/fixedwidthfonts/gacha.b.8");
break;
case 4: ip->pf =
pf_open("/usr/lib/fonts/fixedwidthfonts/cmr.r.8");
break;
case 5: ip->pf =
pf_open("/usr/lib/fonts/fixedwidthfonts/cmr.b.8");
break;
default: ip->pf = _core_defaultfont; /* load default font */
break;
}
if ( !ip->pf) {
ip->pf = _core_defaultfont;
}
}
i = ip->rtextop | PIX_COLOR(ip->textindex);
vp = (porttype*)ddstruct->ptr2;
devscale(vp->xmin, vp->ymin, vwport.xmin, i1);
devscale(vp->xmax, vp->ymax, vwport.xmax, i2);
vwport.ymax = i1;
vwport.ymin = i2;
x = ip->ddcp[0]+(ddstruct->int2*ip->pf->pf_defaultsize.x) -
vwport.xmin;
y = ip->ddcp[1] + (ip->pf->pf_defaultsize.y/2) - vwport.ymin;
subpr = pr_region(ip->screen,vwport.xmin, vwport.ymin,
vwport.xmax-vwport.xmin+1, vwport.ymax-vwport.ymin+1);
if (ip->wind.needlock)
(void)pw_lock(ip->wind.pixwin, (Rect *)&ip->wind.rect);
prprpos.pr = subpr;
prprpos.pos.x = x;
prprpos.pos.y = y;
(void)pf_ttext( prprpos,i ,ip->pf,ddstruct->ptr1);
if (ip->wind.needlock)
(void)pw_unlock(ip->wind.pixwin);
(void)pr_destroy( subpr);
break;
case MARKER:
i = ip->rtextop | PIX_COLOR(ip->textindex);
vp = (porttype*)ddstruct->ptr2;
devscale(vp->xmin, vp->ymin, vwport.xmin, i1);
devscale(vp->xmax, vp->ymax, vwport.xmax, i2);
vwport.ymax = i1;
vwport.ymin = i2;
x = ip->ddcp[0]-(_core_defaultfont->pf_defaultsize.x/2) -
vwport.xmin;
y = ip->ddcp[1]-vwport.ymin +(_core_defaultfont->pf_defaultsize.y*3/8);
subpr = pr_region(ip->screen,vwport.xmin, vwport.ymin,
vwport.xmax-vwport.xmin+1, vwport.ymax-vwport.ymin+1);
if (ip->wind.needlock)
(void)pw_lock(ip->wind.pixwin, (Rect *)&ip->wind.rect);
prprpos.pr = subpr;
prprpos.pos.x = x;
prprpos.pos.y = y;
(void)pf_ttext(prprpos,i ,_core_defaultfont,ddstruct->ptr1);
if (ip->wind.needlock)
(void)pw_unlock(ip->wind.pixwin);
(void)pr_destroy( subpr);
break;
case POLYGN2: {
struct pr_pos *prvptr;
i1 = ddstruct->int1; /* vertex count */
vptr1 = (vtxtype *)(ddstruct->ptr1);
prvptr = (struct pr_pos *)_core_prvtxlist;
for (i=0; i<i1; i++) {
devscale(vptr1[i].x, vptr1[i].y, prvptr[i].x, prvptr[i].y);
}
i2 = ip->fillop | PIX_COLOR( ip->fillindex);
(void)pr_polygon_2( (ip->wind.pixwin)->pw_pixrect, 0, 0,
1, &(ddstruct->int1), prvptr, i2, (struct pixrect *)0,0,0);
}
break;
case POLYGN3:
i1 = ddstruct->int1; /* vertex count */
vptr1 = (vtxtype *)(ddstruct->ptr1);
vptr2 = (vtxtype *)(ddstruct->ptr2);
for (i=0; i<i1; i++) {
vptr2[i] = vptr1[i];
devscale(vptr1[i].x, vptr1[i].y, vptr2[i].x, vptr2[i].y);
}
i = ip->fillop | PIX_COLOR( ip->fillindex);
_core_cregion3( vptr2, i1, i, &ip->wind, ip->zbuffer,
ip->cutaway, ip->polyintstyle, ddstruct->int3);
break;
case RASPUT:
rptr = (rast_type*)ddstruct->ptr1;
mprdata.md_linebytes =
mpr_linebytes(rptr->width,rptr->depth);
mprdata.md_image = (short *)rptr->bits;
mprect.pr_size.x = rptr->width;
mprect.pr_size.y = rptr->height;
mprect.pr_depth = rptr->depth;
p1ptr = (ipt_type*)ddstruct->ptr2;
p2ptr = (ipt_type*)ddstruct->ptr3;
width = rptr->width;
height = rptr->height;
xs = 0; ys = 0;
x = ip->ddcp[0]; y = ip->ddcp[1];
y = y-height+1;
devscale(p1ptr->x, p1ptr->y, i1, i3); /* viewport xmin,ymin */
devscale(p2ptr->x, p2ptr->y, i2, i4); /* viewport xmax,ymax */
/* y bottom = ymax in device coords */
/* y top = ymin in device coords */
if (x<i1){ xs=i1-x; width-=xs; x+=i1;}
if (x+width-1>i2) width=i2-x+1;
if (width<=0) break;
if (y < i4) { ys = i4-y; height -= ys; y=i4;}
if (y+height-1 > i3) height = i3-y+1;
if (height<=0) break;
i = (rptr->depth == 1) ? ip->fillrastop : ip->RAS8func;
i |= PIX_COLOR( ip->fillindex);
if (ip->wind.needlock)
(void)pw_lock(ip->wind.pixwin, (Rect *)&ip->wind.rect);
(void)pr_rop( ip->screen, x, y, width, height, i|PIX_DONTCLIP,
&mprect, xs, ys);
if (ip->wind.needlock)
(void)pw_unlock(ip->wind.pixwin);
break;
case RASGET:
rptr = (rast_type*)ddstruct->ptr1;
p1ptr = (ipt_type*)ddstruct->ptr2;
p2ptr = (ipt_type*)ddstruct->ptr3;
devscale(p1ptr->x, p1ptr->y, xs, i1); /* raster xmin,ymin */
devscale(p2ptr->x, p2ptr->y, i2, ys); /* raster xmax,ymax */
width = i2 - xs + 1;
height = i1 - ys + 1;
x = ddstruct->int1;
y = ddstruct->int2;
if (ddstruct->logical) { /* if sizing raster */
rptr->depth = 8;
rptr->width = width;
rptr->height = height;
rptr->bits = 0; break;
}
if (!rptr->bits) {error = 1; break;}
mprdata.md_linebytes =
mpr_linebytes(rptr->width,rptr->depth);
mprdata.md_image = (short *)rptr->bits;
mprect.pr_size.x = rptr->width;
mprect.pr_size.y = rptr->height;
mprect.pr_depth = rptr->depth;
if (ip->wind.needlock)
(void)pw_lock(ip->wind.pixwin, (Rect *)&ip->wind.rect);
(void)pr_rop( &mprect,x,y,width,height,PIX_SRC, ip->screen,
xs,ys);
if (ip->wind.needlock)
(void)pw_unlock(ip->wind.pixwin);
break;
case LOCK:
if (++ip->lockcount > 1)
break;
if (ip->curstrk)
{
(void)pw_lock(ip->wind.pixwin, (Rect *)&ip->wind.rect);
ip->wind.needlock = FALSE;
}
break;
case UNLOCK:
if (ip->lockcount == 0)
break;
if (--ip->lockcount > 0)
break;
if (ip->curstrk)
{
(void)pw_unlock(ip->wind.pixwin);
ip->wind.needlock = TRUE;
}
break;
case CURSTRKON:
if (ip->curstrk)
break;
ip->curstrk = TRUE;
if (ip->lockcount)
{
(void)pw_lock(ip->wind.pixwin, (Rect *)&ip->wind.rect);
}
else
ip->wind.needlock = TRUE;
break;
case CURSTRKOFF:
if (!ip->curstrk)
break;
ip->curstrk = FALSE;
if (ip->lockcount)
{
(void)pw_unlock(ip->wind.pixwin);
}
else
ip->wind.needlock = FALSE;
break;
default:
break;
}
return(error);
}