Merge branch 'sunweaver-pr/libxfont-cleanup' into arctica-3.6.x

Attributes GH PR #14: https://github.com/ArcticaProject/nx-libs/pull/14

1 files changed, 0 insertions, 1090 deletions

diff --git a/nx-X11/lib/font/Speedo/out_scrn.c b/nx-X11/lib/font/Speedo/out_scrn.c
deleted file mode 100644
index 0ea3b1976..000000000
--- a/nx-X11/lib/font/Speedo/out_scrn.c
+++ /dev/null
@@ -1,1090 +0,0 @@
-/* $Xorg: out_scrn.c,v 1.3 2000/08/17 19:46:26 cpqbld Exp $ */
-
-/*
-
-Copyright 1989-1991, Bitstream Inc., Cambridge, MA.
-You are hereby granted permission under all Bitstream propriety rights to
-use, copy, modify, sublicense, sell, and redistribute the Bitstream Speedo
-software and the Bitstream Charter outline font for any purpose and without
-restrictions; provided, that this notice is left intact on all copies of such
-software or font and that Bitstream's trademark is acknowledged as shown below
-on all unmodified copies of such font.
-
-BITSTREAM CHARTER is a registered trademark of Bitstream Inc.
-
-
-BITSTREAM INC. DISCLAIMS ANY AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
-WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-PARTICULAR PURPOSE.  BITSTREAM SHALL NOT BE LIABLE FOR ANY DIRECT OR INDIRECT
-DAMAGES, INCLUDING BUT NOT LIMITED TO LOST PROFITS, LOST DATA, OR ANY OTHER
-INCIDENTAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF OR IN ANY WAY CONNECTED
-WITH THE SPEEDO SOFTWARE OR THE BITSTREAM CHARTER OUTLINE FONT.
-
-*/
-/* $XFree86: xc/lib/font/Speedo/out_scrn.c,v 1.4 1999/12/27 00:39:25 robin Exp $ */
-
-
-/*************************** O U T _ S C R N . C *****************************
- *                                                                           *
- * This is an output module for screen-writer mode.                          *
- *                                                                           *
- *****************************************************************************/
-
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "spdo_prv.h"               /* General definitions for Speedo   */
-
-#define   DEBUG      0
-#define   LOCAL      static
-#define   ABS(X)     ( (X < 0) ? -X : X)
-
-#if DEBUG
-#include <stdio.h>
-#define SHOW(X) printf("X = %d\n", X)
-#else
-#define SHOW(X)
-#endif
-
-
-/***** GLOBAL VARIABLES *****/
-
-/***** GLOBAL FUNCTIONS *****/
-
-/***** EXTERNAL VARIABLES *****/
-
-/***** EXTERNAL FUNCTIONS *****/
-
-/***** STATIC VARIABLES *****/
-
-/***** STATIC FUNCTIONS *****/
-
-static void sp_add_intercept_screen(PROTO_DECL2 fix15 y,fix31 x);
-static void sp_proc_intercepts_screen(PROTO_DECL1);
-
-
-#if INCL_SCREEN
-FUNCTION boolean init_screen(
-GDECL
-specs_t FONTFAR *specsarg)
-/*
- * init_out0() is called by sp_set_specs() to initialize the output module.
- * Returns TRUE if output module can accept requested specifications.
- * Returns FALSE otherwise.
- */
-{
-#if DEBUG
-printf("INIT_SCREEN()\n");
-#endif
-return (TRUE);
-}
-#endif
-
-
-#if INCL_SCREEN
-FUNCTION boolean begin_char_screen(
-GDECL
-point_t Psw,
-point_t Pmin,
-point_t Pmax)
-/* Called once at the start of the character generation process
- */
-{
-#if DEBUG
-printf("BEGIN_CHAR_SCREEN(%3.1f, %3.1f, %3.1f, %3.1f, %3.1f, %3.1f\n", 
-                    (real)Psw.x / (real)sp_globals.onepix, (real)Psw.y / (real)sp_globals.onepix,
-                    (real)Pmin.x / (real)sp_globals.onepix, (real)Pmin.y / (real)sp_globals.onepix,
-                    (real)Pmax.x / (real)sp_globals.onepix, (real)Pmax.y / (real)sp_globals.onepix);
-#endif
-if (sp_globals.pixshift > 8)
-	sp_intercepts.fracpix = sp_globals.onepix << (8 - sp_globals.pixshift);
-else
-	sp_intercepts.fracpix = sp_globals.onepix >> (sp_globals.pixshift - 8);
-
-init_char_out(Psw,Pmin,Pmax);
-
-return TRUE;
-}
-#endif
-
-
-#if INCL_SCREEN
-FUNCTION void begin_contour_screen(
-GDECL
-point_t P1,
-boolean outside)
-/* Called at the start of each contour
- */
-{
-
-#if DEBUG
-printf("BEGIN_CONTOUR_SCREEN(%3.1f, %3.1f, %s)\n", 
-    (real)P1.x / (real)sp_globals.onepix, (real)P1.y / (real)sp_globals.onepix, outside? "outside": "inside");
-#endif
-sp_globals.x0_spxl = P1.x;
-sp_globals.y0_spxl = P1.y;
-sp_globals.y_pxl = (sp_globals.y0_spxl + sp_globals.pixrnd) >> sp_globals.pixshift;
-}
-#endif
-
-#if INCL_SCREEN
-FUNCTION void curve_screen(
-GDECL
-point_t P1, point_t P2, point_t P3,
-fix15 depth)
-{
-fix31   X0;
-fix31   Y0;
-fix31   X1;
-fix31   Y1;
-fix31   X2;
-fix31   Y2;
-fix31   X3;
-fix31   Y3;
-#if DEBUG
-printf("CURVE_SCREEN(%6.4f, %6.4f, %6.4f, %6.4f, %6.4f, %6.4f)\n", 
-    (real)P1.x / (real)sp_globals.onepix, (real)P1.y / (real)sp_globals.onepix,
-    (real)P2.x / (real)sp_globals.onepix, (real)P2.y / (real)sp_globals.onepix,
-    (real)P3.x / (real)sp_globals.onepix, (real)P3.y / (real)sp_globals.onepix);
-#endif
-
-
-if (sp_globals.extents_running) /* Accumulate actual character extents if required */
-    {
-    if (P3.x > sp_globals.bmap_xmax)         
-        sp_globals.bmap_xmax = P3.x;
-    if (P3.x < sp_globals.bmap_xmin)
-        sp_globals.bmap_xmin = P3.x;
-    if (P3.y > sp_globals.bmap_ymax)
-        sp_globals.bmap_ymax = P3.y;
-    if (P3.y < sp_globals.bmap_ymin)
-        sp_globals.bmap_ymin = P3.y;
-    }
-
-X0 = ((fix31)sp_globals.x0_spxl << sp_globals.poshift) + (fix31)32768;
-Y0 = ((fix31)sp_globals.y0_spxl << sp_globals.poshift) + (fix31)32768;
-X1 = ((fix31)P1.x << sp_globals.poshift) + (fix31)32768;
-Y1 = ((fix31)P1.y << sp_globals.poshift) + (fix31)32768;
-X2 = ((fix31)P2.x << sp_globals.poshift) + (fix31)32768;
-Y2 = ((fix31)P2.y << sp_globals.poshift) + (fix31)32768;
-X3 = ((fix31)P3.x << sp_globals.poshift) + (fix31)32768;
-Y3 = ((fix31)P3.y << sp_globals.poshift) + (fix31)32768;
-
-if (((Y0 - Y3) * sp_globals.tcb.mirror) > 0)
-	{
-	sp_intercepts.leftedge = LEFT_INT;
-	}
-else
-	{
-	sp_intercepts.leftedge = 0;
-	}
-
-scan_curve_screen(X0,Y0,X1,Y1,X2,Y2,X3,Y3);
-sp_globals.x0_spxl = P3.x;
-sp_globals.y0_spxl = P3.y;
-sp_globals.y_pxl = (P3.y + sp_globals.pixrnd) >> sp_globals.pixshift;   /* calculate new end-scan sp_globals.line */
-}
-
-FUNCTION void scan_curve_screen(
-GDECL
-fix31 X0, fix31 Y0, fix31 X1, fix31 Y1, fix31 X2, fix31 Y2, fix31 X3, fix31 Y3)
-/* Called for each curve in the transformed character if curves out enabled
- */
-{
-fix31 Pmidx;
-fix31 Pmidy;
-fix31 Pctrl1x;
-fix31 Pctrl1y;
-fix31 Pctrl2x;
-fix31 Pctrl2y;
-
-#ifdef DBGCRV
-printf("SCAN_CURVE_SCREEN(%6.4f, %6.4f, %6.4f, %6.4f, %6.4f, %6.4f, %6.4f, %6.4f)\n", 
-    (real)(X0-32768) / 65536.0, (real)(Y0-32768) / 65536.0,
-    (real)(X1-32768) / 65536.0, (real)(Y1-32768) / 65536.0,
-    (real)(X2-32768) / 65536.0, (real)(Y2-32768) / 65536.0,
-    (real)(X3-32768) / 65536.0, (real)(Y3-32768) / 65536.0);
-#endif
-
-if (((Y3 >> 16)) == (Y0 >> 16) || (Y3+1) == Y0 || Y3 == (Y0+1))
-    {
-	return;
-    }
-if ((X3 >> 16) == (X0 >> 16))
-    {
-    vert_line_screen(X3,(fix15)(Y0>>16),(fix15)(Y3>>16));
-	return;
-    }
-Pmidx = (X0 + (X1 + X2) * 3 + X3 + 4 ) >> 3;
-Pmidy = (Y0 + (Y1 + Y2) * 3 + Y3 + 4 ) >> 3;
-
-Pctrl1x = (X0 + X1 + 1 ) >> 1;
-Pctrl1y = (Y0 + Y1 + 1) >> 1;
-Pctrl2x = (X0 + (X1 << 1) + X2 + 2 ) >> 2;
-Pctrl2y = (Y0 + (Y1 << 1) + Y2 + 2 ) >> 2;
-scan_curve_screen(X0,Y0, Pctrl1x, Pctrl1y, Pctrl2x,Pctrl2y, Pmidx,Pmidy);
-
-Pctrl1x = (X1 + (X2 << 1) + X3 + 2 ) >> 2;
-Pctrl1y = (Y1 + (Y2 << 1) + Y3 + 2 ) >> 2;
-Pctrl2x = (X2 + X3 + 1 ) >> 1;
-Pctrl2y = (Y2 + Y3 + 1 ) >> 1;
-scan_curve_screen(Pmidx,Pmidy, Pctrl1x,Pctrl1y, Pctrl2x,Pctrl2y, X3,Y3);
-}             
-
-FUNCTION void vert_line_screen(
-GDECL
-fix31 x,
-fix15 y1, fix15 y2)
-{                                                 
-
-#ifdef DBGCRV
-printf("VERT_LINE_SCREEN(%6.4f, %6.4f, %6.4f)\n",
-    (real)(x - 32768) / 65536.0, 
-    (real)(y1 - 32768) / 65536.0,
-    (real)(y2 - 32768) / 65536.0);
-#endif
-
-if (sp_globals.intercept_oflo) 
-    return;
-
-if (y1 > y2)                                   /* Line goes downwards ? */
-	{
-    if (y1 > (sp_globals.y_band.band_max + 1)) /* Start point above top of band? */
-        y1 = sp_globals.y_band.band_max + 1;   /* Adjust start point to top of band */
-    if (y2 < sp_globals.y_band.band_min)       /* End point below bottom of band? */
-        y2 = sp_globals.y_band.band_min;       /* Adjust end point bottom of band */
-
-	y1 -= sp_globals.y_band.band_min;          /* Translate start point to band origin */
-	y2 -= sp_globals.y_band.band_min;          /* Translate end point to band origin */
-
-	while (y2 < y1)                            /* At least one intercept left? */
-		{
-		sp_add_intercept_screen(--y1, x);           /* Add intercept */
-		}
-	}
-else if (y2 > y1)                              /* Line goes upwards ? */
-	{
-    if (y1 < sp_globals.y_band.band_min)       /* Start point below bottom of band? */
-        y1 = sp_globals.y_band.band_min;       /* Adjust start point to bottom of band */
-    if (y2 > (sp_globals.y_band.band_max + 1)) /* End point above top of band? */
-        y2 = sp_globals.y_band.band_max + 1;   /* Adjust end point to top of band */
-
-	y1 -= sp_globals.y_band.band_min;          /* Translate start point to band origin */
-	y2 -= sp_globals.y_band.band_min;          /* Translate end point to band origin */
-
-	while (y1 < y2)                            /* At least one intercept left? */
-		{
-		sp_add_intercept_screen(y1++, x);           /* Add intercept */
-		}
-	}
-
-
-}
-	
-#endif
-
-
-#if INCL_SCREEN
-FUNCTION void line_screen(
-GDECL
-point_t P1)
-/* Called for each vector in the transformed character
- */
-{
-register fix15     how_many_y;       /* # of intercepts at y = n + 1/2  */
-register fix15     yc;               /* Current scan-line */
-         fix15     temp1;            /* various uses */
-         fix15     temp2;            /* various uses */
-register fix31     dx_dy;            /* slope of line in 16.16 form */
-register fix31     xc;               /* high-precision (16.16) x coordinate */
-         fix15     x0,y0,x1,y1;      /* PIX.FRAC start and endpoints */
-
-x0 = sp_globals.x0_spxl;                 /* get start of line (== current point) */
-y0 = sp_globals.y0_spxl;
-sp_globals.x0_spxl = x1 = P1.x; /* end of line */
-sp_globals.y0_spxl = y1 = P1.y; /*  (also update current point to end of line) */
-
-yc = sp_globals.y_pxl;                   /* current scan line = end of last line */
-sp_globals.y_pxl = (y1 + sp_globals.pixrnd) >> sp_globals.pixshift;   /* calculate new end-scan sp_globals.line */
-
-
-#if DEBUG
-printf("LINE_SCREEN(%3.4f, %3.4f)\n", 
-       (real)P1.x/(real)sp_globals.onepix, 
-       (real)P1.y/(real)sp_globals.onepix);
-#endif
-
-if (sp_globals.extents_running)
-    {
-    if (sp_globals.x0_spxl > sp_globals.bmap_xmax)         
-        sp_globals.bmap_xmax = sp_globals.x0_spxl;
-    if (sp_globals.x0_spxl < sp_globals.bmap_xmin)
-        sp_globals.bmap_xmin = sp_globals.x0_spxl;
-    if (sp_globals.y0_spxl > sp_globals.bmap_ymax)
-        sp_globals.bmap_ymax = sp_globals.y0_spxl;
-    if (sp_globals.y0_spxl < sp_globals.bmap_ymin)
-        sp_globals.bmap_ymin = sp_globals.y0_spxl;
-    }
-
-if (sp_globals.intercept_oflo) return;
-
-if ((how_many_y = sp_globals.y_pxl - yc) == 0) return; /* Don't draw a null line */
-
-xc = (fix31)(x0 + sp_globals.pixrnd) << (16 - sp_globals.pixshift); /* Original x coordinate with built in  */
-                                            /* rounding. 16.16 form */
-
-if (how_many_y < 0)
-	{
-	yc--; /* Predecrment downward lines */
-	}
-
-if ((how_many_y * sp_globals.tcb.mirror) < 0)
-	{
-	sp_intercepts.leftedge = LEFT_INT;
-	}
-else
-	{
-	sp_intercepts.leftedge = 0;
-	}
-
-if (yc > sp_globals.y_band.band_max) /* Is start point above band? */
-    {
-    if (sp_globals.y_pxl > sp_globals.y_band.band_max) return; /* line has to go down! */
-    how_many_y = sp_globals.y_pxl - (yc = sp_globals.y_band.band_max) - 1; /* Yes, limit it */
-    }
-
-if (yc < sp_globals.y_band.band_min)   /* Is start point below band? */
-    {
-    if (sp_globals.y_pxl < sp_globals.y_band.band_min) return; /* line has to go up! */
-    how_many_y = sp_globals.y_pxl - (yc = sp_globals.y_band.band_min);   /* Yes, limit it */
-    }
-
-if ( (temp1 = (x1 - x0)) == 0)  /* check for vertical line */
-    {
-    dx_dy = 0L; /* Zero slope, leave xc alone */
-    goto skip_calc;
-    }
-          
-/* calculate dx_dy at 16.16 fixed point */
-
-dx_dy = ( (fix31)temp1 << 16 )/(fix31)(y1 - y0);
-
-/* We have to check for a @#$%@# possible multiply overflow  */
-/* by doing another @#$*& multiply.  In assembly language,   */
-/* the program could just check the OVerflow flag or whatever*/
-/* works on the particular processor.  This C code is meant  */
-/* to be processor independant.                              */
-
-temp1 = (yc << sp_globals.pixshift) - y0 + sp_globals.pixrnd;
-/* This sees if the sign bits start at bit 15 */
-/* if they do, no overflow has occurred       */
-
-temp2 = (fix15)(MULT16(temp1,(fix15)(dx_dy >> 16)) >> 15);
-
-if (  (temp2 != (fix15)-1) &&
-      (temp2 != 0x0000)   )
-    {  /* Overflow. Pick point closest to yc + .5 */
-    if (ABS(temp1) < ABS((yc << sp_globals.pixshift) - y1 + sp_globals.pixrnd))
-        { /* use x1 instead of x0 */
-        xc = (fix31)(x1 + sp_globals.pixrnd) << (16 - sp_globals.pixshift);
-        }
-    goto skip_calc;
-    }
-/* calculate new xc at the center of the *current* scan line */
-/* due to banding, yc may be several lines away from y0      */
-/*  xc += (yc + .5 - y0) * dx_dy */
-/* This multiply generates a subpixel delta. */
-/* So we shift it to be a 16.16 delta */
-
-xc += ((fix31)temp1 * dx_dy) >> sp_globals.pixshift;
-
-skip_calc:
-
-yc -= sp_globals.y_band.band_min; /* yc is now an offset relative to the band */
-
-if (how_many_y < 0)
-    {   /* Vector down */
-    if ((how_many_y += yc + 1) < 0) how_many_y = 0; /* can't go below 0 */
-    while(yc >= how_many_y)
-        {
-        sp_add_intercept_screen(yc--,xc); 
-        xc -= dx_dy;
-        }
-    }
-    else
-    {   /* Vector up */
-     /* check to see that line doesn't extend beyond top of band */
-    if ((how_many_y += yc) > sp_globals.no_y_lists) how_many_y = sp_globals.no_y_lists;
-    while(yc != how_many_y)
-        {
-        sp_add_intercept_screen(yc++,xc); 
-        xc += dx_dy;
-        }
-    }
-}
-#endif
-
-#if INCL_SCREEN
-FUNCTION void end_contour_screen()
-GDECL
-/* Called after the last vector in each contour
- */
-{
-#if DEBUG
-printf("END_CONTOUR_SCREEN()\n");
-#endif
-sp_intercepts.inttype[sp_globals.next_offset-1] |= END_INT;
-}
-#endif
-
-
-
-#if INCL_SCREEN
-FUNCTION boolean end_char_screen()
-GDECL
-/* Called when all character data has been output
- * Return TRUE if output process is complete
- * Return FALSE to repeat output of the transformed data beginning
- * with the first contour
- */
-{
-
-fix31 xorg;
-fix31 yorg;
-
-#if INCL_CLIPPING
-fix31 em_max, em_min, bmap_max, bmap_min;
-#endif
-
-#if DEBUG
-printf("END_CHAR_SCREEN()\n");
-#endif
-
-if (sp_globals.first_pass)
-    {
-    if (sp_globals.bmap_xmax >= sp_globals.bmap_xmin)
-        {
-        sp_globals.xmin = (sp_globals.bmap_xmin + sp_globals.pixrnd + 1) >> sp_globals.pixshift;
-        sp_globals.xmax = (sp_globals.bmap_xmax + sp_globals.pixrnd) >> sp_globals.pixshift;
-        }
-    else
-        {
-        sp_globals.xmin = sp_globals.xmax = 0;
-        }
-    if (sp_globals.bmap_ymax >= sp_globals.bmap_ymin)
-        {
-
-#if INCL_CLIPPING
-    switch(sp_globals.tcb0.xtype)
-       {
-       case 1: /* 180 degree rotation */
-            if (sp_globals.specs.flags & CLIP_TOP)
-               {
-               sp_globals.clip_ymin = (fix31)((fix31)EM_TOP * sp_globals.tcb0.yppo + ((1<<sp_globals.multshift)/2));
-               sp_globals.clip_ymin = sp_globals.clip_ymin >> sp_globals.multshift;
-               bmap_min = (sp_globals.bmap_ymin + sp_globals.pixrnd + 1) >> sp_globals.pixshift;
-	       sp_globals.clip_ymin = -1 * sp_globals.clip_ymin;
-	       if (bmap_min < sp_globals.clip_ymin)
-		    sp_globals.ymin = sp_globals.clip_ymin;
-               else
-                    sp_globals.ymin = bmap_min;
-               }
-            if (sp_globals.specs.flags & CLIP_BOTTOM)
-               {
-               sp_globals.clip_ymax = (fix31)((fix31)(-1 * EM_BOT) * sp_globals.tcb0.yppo + ((1<<sp_globals.multshift)/2));
-               sp_globals.clip_ymax = sp_globals.clip_ymax >> sp_globals.multshift;
-               bmap_max = (sp_globals.bmap_ymax + sp_globals.pixrnd) >> sp_globals.pixshift;
-	       if (bmap_max < sp_globals.clip_ymax)
-                    sp_globals.ymax = bmap_max;
-               else
-		    sp_globals.ymax = sp_globals.clip_ymax;
-               }
-               sp_globals.clip_xmax =  -sp_globals.xmin;
-               sp_globals.clip_xmin = ((sp_globals.set_width.x+32768L) >> 16) -
-                                      sp_globals.xmin;
-               break;
-       case 2: /* 90 degree rotation */
-            if (sp_globals.specs.flags & CLIP_TOP)
-               {
-               sp_globals.clip_xmin = (fix31)((fix31)(-1 * EM_BOT) * sp_globals.tcb0.yppo + ((1<<sp_globals.multshift)/2));
-               sp_globals.clip_xmin = sp_globals.clip_xmin >> sp_globals.multshift;
-               sp_globals.clip_xmin = -1 * sp_globals.clip_xmin;
-               bmap_min = (sp_globals.bmap_xmin + sp_globals.pixrnd + 1) >> sp_globals.pixshift;
-	       if (bmap_min > sp_globals.clip_xmin)
-                    sp_globals.clip_xmin = bmap_min;
-
-	       /* normalize to x origin */
-               sp_globals.clip_xmin -= sp_globals.xmin;
-               }
-            if (sp_globals.specs.flags & CLIP_BOTTOM)
-               {
-               sp_globals.clip_xmax = (fix31)((fix31)EM_TOP * sp_globals.tcb0.yppo + ((1<<sp_globals.multshift)/2));
-               sp_globals.clip_xmax = sp_globals.clip_xmax >> sp_globals.multshift;
-               bmap_max = (sp_globals.bmap_xmax + sp_globals.pixrnd) >> sp_globals.pixshift;
-	       if (bmap_max < sp_globals.clip_xmax)
-                    sp_globals.xmax = bmap_max;
-               else
-		    sp_globals.xmax = sp_globals.clip_xmax;
-	       sp_globals.clip_ymax = 0;
-	       if ((sp_globals.specs.flags & CLIP_TOP) && 
-                   (sp_globals.ymax > sp_globals.clip_ymax))
-		    sp_globals.ymax = sp_globals.clip_ymax;
-	       sp_globals.clip_ymin = ((sp_globals.set_width.y+32768L) >> 16);
-               if ((sp_globals.specs.flags & CLIP_BOTTOM) && 
-                   (sp_globals.ymin < sp_globals.clip_ymin))
-                    sp_globals.ymin = sp_globals.clip_ymin;
-	       /* normalize to x origin */
-               sp_globals.clip_xmax -= sp_globals.xmin;
-               }
-               break;
-       case 3: /* 270 degree rotation */
-            if (sp_globals.specs.flags & CLIP_TOP)
-               {
-               sp_globals.clip_xmin = (fix31)((fix31)EM_TOP * sp_globals.tcb0.yppo + ((1<<sp_globals.multshift)/2));
-               sp_globals.clip_xmin = sp_globals.clip_xmin >> sp_globals.multshift;
-	       sp_globals.clip_xmin = -1 * sp_globals.clip_xmin;
-               bmap_min = (sp_globals.bmap_xmin + sp_globals.pixrnd + 1) >> sp_globals.pixshift;
-
-               /* let the minimum be the larger of these two values */
-	       if (bmap_min > sp_globals.clip_xmin)
-		    sp_globals.clip_xmin = bmap_min;
-
-	       /* normalize the x value to new xorgin */
-               sp_globals.clip_xmin -= sp_globals.xmin;
-               }
-            if (sp_globals.specs.flags & CLIP_BOTTOM)
-               {
-               sp_globals.clip_xmax = (fix31)((fix31)(-1 * EM_BOT) * sp_globals.tcb0.yppo + ((1<<sp_globals.multshift)/2));
-               sp_globals.clip_xmax = sp_globals.clip_xmax >> sp_globals.multshift;
-               bmap_max = (sp_globals.bmap_xmax + sp_globals.pixrnd) >> sp_globals.pixshift;
-
-	       /* let the max be the lesser of these two values */
-	       if (bmap_max < sp_globals.clip_xmax)
-		    {
-		    sp_globals.xmax = bmap_max; 
-		    sp_globals.clip_xmax = bmap_max;
-		    }
-               else
-                    sp_globals.xmax = sp_globals.clip_xmax;
-
-	       /* normalize the x value to new x origin */
-	       sp_globals.clip_xmax -= sp_globals.xmin;
-               }
-               /* compute y clip values */
-	       sp_globals.clip_ymax = ((sp_globals.set_width.y+32768L) >> 16);
-	       if ((sp_globals.specs.flags & CLIP_TOP) && 
-                   (sp_globals.ymax > sp_globals.clip_ymax))
-		    sp_globals.ymax = sp_globals.clip_ymax;
-	       sp_globals.clip_ymin = 0;
-               if ((sp_globals.specs.flags & CLIP_BOTTOM) && 
-                   (sp_globals.ymin < sp_globals.clip_ymin))
-                    sp_globals.ymin = sp_globals.clip_ymin;
-               break;
-       default: /* this is for zero degree rotation and arbitrary rotation */
-            if (sp_globals.specs.flags & CLIP_TOP)
-               {
-	       sp_globals.clip_ymax = (fix31)((fix31)EM_TOP * sp_globals.tcb0.yppo + ((1<<sp_globals.multshift)/2));
-               sp_globals.clip_ymax = sp_globals.clip_ymax >> sp_globals.multshift;
-               bmap_max = (sp_globals.bmap_ymax + sp_globals.pixrnd) >> sp_globals.pixshift;
-	       if (bmap_max > sp_globals.clip_ymax)
-                    sp_globals.ymax = bmap_max;
-               else
-		    sp_globals.ymax = sp_globals.clip_ymax;
-               }
-            if (sp_globals.specs.flags & CLIP_BOTTOM)
-               {
-	       sp_globals.clip_ymin = (fix31)((fix31)(-1 * EM_BOT) * sp_globals.tcb0.yppo +  ((1<<sp_globals.multshift)/2));
-               sp_globals.clip_ymin = sp_globals.clip_ymin >> sp_globals.multshift;
-	       sp_globals.clip_ymin = - sp_globals.clip_ymin;
-               bmap_min = (sp_globals.bmap_ymin + sp_globals.pixrnd + 1) >> sp_globals.pixshift;
-	       if (bmap_min < sp_globals.clip_ymin)
-		    sp_globals.ymin = sp_globals.clip_ymin;
-               else
-                    sp_globals.ymin = bmap_min;
-               }
-               sp_globals.clip_xmin = -sp_globals.xmin;
-               sp_globals.clip_xmax = ((sp_globals.set_width.x+32768L) >> 16) -
-                                      sp_globals.xmin;
-               break;
-       }
-if ( !(sp_globals.specs.flags & CLIP_TOP))
-#endif
-            sp_globals.ymax = (sp_globals.bmap_ymax + sp_globals.pixrnd) >> sp_globals.pixshift;
-
-#if INCL_CLIPPING
-if ( !(sp_globals.specs.flags & CLIP_BOTTOM))
-#endif
-
-        sp_globals.ymin = (sp_globals.bmap_ymin + sp_globals.pixrnd + 1) >> sp_globals.pixshift;
-        }
-    else
-        {
-        sp_globals.ymin = sp_globals.ymax = 0;
-        }
-
-    /* add in the rounded out part (from xform.) of the left edge */
-    if (sp_globals.tcb.xmode == 0)    /* for X pix is function of X orus only add the round */
-    	xorg = (((fix31)sp_globals.xmin << 16) + (sp_globals.rnd_xmin << sp_globals.poshift));
-    else
-        if (sp_globals.tcb.xmode == 1) /* for X pix is function of -X orus only, subtr. round */
-        	xorg = (((fix31)sp_globals.xmin << 16) - (sp_globals.rnd_xmin << sp_globals.poshift)) ;
-        else
-        	xorg = (fix31)sp_globals.xmin << 16;   /* for other cases don't use round on x */
-           
-    if (sp_globals.tcb.ymode == 2)   /* for Y pix is function of X orus only, add round error */ 
-    	yorg = (((fix31)sp_globals.ymin << 16) + (sp_globals.rnd_xmin << sp_globals.poshift));
-    else
-        if (sp_globals.tcb.ymode == 3) /* for Y pix is function of -X orus only, sub round */
-        	yorg = (((fix31)sp_globals.ymin << 16) - (sp_globals.rnd_xmin << sp_globals.poshift));
-        else                          /* all other cases have no round error on yorg */
-         	yorg = (fix31)sp_globals.ymin << 16;
-
-    open_bitmap(sp_globals.set_width.x, sp_globals.set_width.y, xorg, yorg,
-				 sp_globals.xmax - sp_globals.xmin, sp_globals.ymax -  sp_globals.ymin);
-    if (sp_globals.intercept_oflo)
-        {
-        sp_globals.y_band.band_min = sp_globals.ymin;
-        sp_globals.y_band.band_max = sp_globals.ymax;
-        init_intercepts_out();
-        sp_globals.first_pass = FALSE;
-        sp_globals.extents_running = FALSE;
-        return FALSE;
-        }
-    else
-        {
-        sp_proc_intercepts_screen();
-        close_bitmap();
-        return TRUE;
-        }
-    }
-else
-    {
-    if (sp_globals.intercept_oflo)
-        {
-        reduce_band_size_out();
-        init_intercepts_out();
-        return FALSE;
-        }
-    else
-        {
-        sp_proc_intercepts_screen();
-        if (next_band_out())
-            {
-            init_intercepts_out();
-            return FALSE;
-            }
-        close_bitmap();
-        return TRUE;
-        }
-    }
-}
-#endif
-
-#if INCL_SCREEN
-FUNCTION LOCAL  void sp_add_intercept_screen(
-GDECL
-fix15 y,                 /* Y coordinate in relative pixel units */
-                         /* (0 is lowest sample in band) */
-fix31 x)                 /* X coordinate of intercept in subpixel units */
-
-/*  Called by line() to add an intercept to the intercept list structure
- */
-
-{
-register fix15 from;   /* Insertion pointers for the linked list sort */
-register fix15 to;
-register fix15 xloc;
-register fix15 xfrac;
-
-#if DEBUG
-printf("    Add intercept(%2d, %x)\n", y + sp_globals.y_band.band_min, x);
-
-/* Bounds checking IS done in debug mode */
-if (y < 0)       /* Y value below bottom of current band? */
-    {
-    printf(" Intecerpt less than 0!!!\007\n");
-    return;
-    }
-
-if (y > (sp_globals.no_y_lists - 1))              /* Y value above top of current band? */
-    {
-    printf(" Intercept too big for band!!!!!\007\n");
-    return;
-    }
-#endif
-
-/* Store new values */
-
-sp_intercepts.car[sp_globals.next_offset] = xloc = (fix15)(x >> 16);
-sp_intercepts.inttype[sp_globals.next_offset] = sp_intercepts.leftedge | (xfrac = ((x >> 8) & FRACTION));
-
-/* Find slot to insert new element (between from and to) */
-
-from = y; /* Start at list head */
-
-while( (to = sp_intercepts.cdr[from]) != 0) /* Until to == end of list */
-    {
-    if (xloc < sp_intercepts.car[to]) /* If next item is larger than or same as this one... */
-        goto insert_element; /* ... drop out and insert here */
-	else if (xloc == sp_intercepts.car[to] && xfrac < (sp_intercepts.inttype[to] & FRACTION))
-        goto insert_element; /* ... drop out and insert here */
-    from = to; /* move forward in list */
-    }
-
-insert_element: /* insert element "sp_globals.next_offset" between elements "from" */
-                /* and "to" */
-
-sp_intercepts.cdr[from] = sp_globals.next_offset;
-sp_intercepts.cdr[sp_globals.next_offset] = to;
-
-if (++sp_globals.next_offset >= MAX_INTERCEPTS) /* Intercept buffer full? */
-    {
-    sp_globals.intercept_oflo = TRUE;
-/* There may be a few more calls to "add_intercept" from the current line */
-/* To avoid problems, we set next_offset to a safe value. We don't care   */
-/* if the intercept table gets trashed at this point                      */
-    sp_globals.next_offset = sp_globals.first_offset;
-    }
-}
-
-#endif
-
-#if INCL_SCREEN
-FUNCTION LOCAL  void sp_proc_intercepts_screen()
-GDECL
-
-/*  Called by sp_make_char to output accumulated intercept lists
- *  Clips output to sp_globals.xmin, sp_globals.xmax, sp_globals.ymin, sp_globals.ymax boundaries
- */
-{
-register fix15 i,j, jplus1, iminus1;
-fix15 k,nextk, previ;
-register fix15 from, to;          /* Start and end of run in pixel units   
-                            relative to left extent of character  */
-register fix15 y;
-register fix15 scan_line;
-         fix15 first_y, last_y;
-         fix15 xsave;
-
-
-fix15 diff;
-
-#if DEBUG
-printf("\nPROC_INTERCEPTS_SCREEN: Intercept lists before:\n");
-#endif
-
-#if INCL_CLIPPING
-if ((sp_globals.specs.flags & CLIP_LEFT) != 0)
-    clipleft = TRUE;
-else
-    clipleft = FALSE;
-if ((sp_globals.specs.flags & CLIP_RIGHT) != 0)
-    clipright = TRUE;
-else
-    clipright = FALSE;
-if (clipleft || clipright)
-        {
-        xmax = sp_globals.clip_xmax + sp_globals.xmin;
-        xmin = sp_globals.clip_xmin + sp_globals.xmin;
-        }
-if (!clipright)
-        xmax = ((sp_globals.set_width.x+32768L) >> 16);
-#endif
-
-if ((first_y = sp_globals.y_band.band_max) >= sp_globals.ymax)    
-    first_y = sp_globals.ymax - 1;               /* Clip to sp_globals.ymax boundary */
-
-if ((last_y = sp_globals.y_band.band_min) < sp_globals.ymin)      
-    last_y = sp_globals.ymin;                    /* Clip to sp_globals.ymin boundary */
-
-last_y  -= sp_globals.y_band.band_min;
-
-#if DEBUG
-/* Print out all of the intercept info */
-scan_line = sp_globals.ymax - first_y - 1;
-
-for (y = first_y - sp_globals.y_band.band_min; y >= last_y; y--, scan_line++)
-    {
-    i = y;                            /* Index head of intercept list */
-    while ((i = sp_intercepts.cdr[i]) != 0)         /* Link to next intercept if present */
-        {
-        if ((from = sp_intercepts.car[i] - sp_globals.xmin) < 0)
-            from = 0;                 /* Clip to sp_globals.xmin boundary */
-        i = sp_intercepts.cdr[i];                   /* Link to next intercept */
-        if (i == 0)                   /* End of list? */
-            {
-            printf("****** proc_intercepts: odd number of intercepts\n");
-            break;
-            }
-        if ((to = sp_intercepts.car[i]) > sp_globals.xmax)
-            to = sp_globals.xmax - sp_globals.xmin;         /* Clip to sp_globals.xmax boundary */
-        else
-            to -= sp_globals.xmin;
-        printf("    Y = %2d (scanline %2d): %d %d:\n", 
-            y + sp_globals.y_band.band_min, scan_line, from, to);
-        }
-    }
-#endif
-
-/* CHECK INTERCEPT LIST FOR DROPOUT AND WINDING, FIX IF NECESSARY  */
-
-for (y = first_y - sp_globals.y_band.band_min; y >= last_y; y--)
-    {
-	previ = y;
-    i = sp_intercepts.cdr[y];                            /* Index head of intercept list */
-    while (i  != 0)         /* Link to next intercept if present */
-        {
-		j = i;
-        i = sp_intercepts.cdr[i];                   /* Link to next intercept */
-		if (sp_intercepts.inttype[i] & LEFT_INT)
-			{
-			if (sp_intercepts.inttype[j] & LEFT_INT)
-				{
-				do { i = sp_intercepts.cdr[i]; } while (sp_intercepts.inttype[i] & LEFT_INT);
-				do { i = sp_intercepts.cdr[i]; } while (sp_intercepts.cdr[i] && !(sp_intercepts.inttype[sp_intercepts.cdr[i]] & LEFT_INT));
-				sp_intercepts.cdr[j] = i;
-				}
-			else
-				{
-				xsave = sp_intercepts.car[j];
-				sp_intercepts.car[j] = sp_intercepts.car[i];
-				sp_intercepts.car[i] = xsave;
-
-				xsave = sp_intercepts.inttype[j];
-				sp_intercepts.inttype[j] = sp_intercepts.inttype[i] & FRACTION;
-				sp_intercepts.inttype[i] = xsave | LEFT_INT;
-
-				sp_intercepts.cdr[previ] = i;
-				sp_intercepts.cdr[j] = sp_intercepts.cdr[i];
-				sp_intercepts.cdr[i] = j;
-				i = j;
-				j = sp_intercepts.cdr[previ];
-				}
-			}
-
-        if (sp_intercepts.car[j] < sp_globals.xmin)
-            sp_intercepts.car[j] = sp_globals.xmin;                 /* Clip to sp_globals.xmin boundary */
-
-        if (sp_intercepts.car[i] > sp_globals.xmax)
-            sp_intercepts.car[i] = sp_globals.xmax;
-
-        if (sp_intercepts.car[j] >= sp_intercepts.car[i])
-			{
-			if ((ufix16)(sp_intercepts.inttype[j] & FRACTION) + (ufix16)(sp_intercepts.inttype[i] & FRACTION) > sp_intercepts.fracpix)
-				++sp_intercepts.car[i];
-			else
-				--sp_intercepts.car[j];
-			}
-		if (sp_globals.first_pass)
-			{
-			if (sp_intercepts.inttype[i-1] & END_INT)
-				{
-				for (iminus1 = i+1; !(sp_intercepts.inttype[iminus1] & END_INT); iminus1++)
-					;
-				}
-			else
-				iminus1 = i-1;
-	
-			if (sp_intercepts.inttype[j] & END_INT)
-				{
-				for (jplus1 = j-1; !(sp_intercepts.inttype[jplus1] & END_INT); jplus1--)
-					;
-				jplus1++;
-				}
-			else
-				jplus1 = j+1;
-
-			if ((sp_intercepts.inttype[iminus1] & LEFT_INT)) 
-				{
-				if ( sp_intercepts.car[jplus1] > sp_intercepts.car[i])
-					{
-					diff = sp_intercepts.car[jplus1] - sp_intercepts.car[i];
-					sp_intercepts.car[i] += diff/2;
-	                sp_intercepts.car[jplus1] -= diff/2;
-					if (diff & 1)
-						{
-						if ((ufix16)(sp_intercepts.inttype[i] & FRACTION) + (ufix16)(sp_intercepts.inttype[jplus1] & FRACTION) > sp_intercepts.fracpix)
-							sp_intercepts.car[i] ++;
-						else
-							sp_intercepts.car[jplus1]--;
-						}
-					}
-				}
-			else if (!(sp_intercepts.inttype[jplus1] & LEFT_INT))
-				{
-				if (sp_intercepts.car[iminus1] < sp_intercepts.car[j])
-					{
-					diff = sp_intercepts.car[j] - sp_intercepts.car[iminus1];
-					sp_intercepts.car[j] -= diff/2;
-	                sp_intercepts.car[iminus1] += diff/2;
-					if (diff & 1)
-						{
-						if ((ufix16)(sp_intercepts.inttype[j] & FRACTION) + 
-	                                       (ufix16)(sp_intercepts.inttype[iminus1] & FRACTION) > sp_intercepts.fracpix)
-							sp_intercepts.car[iminus1]++;
-						else
-							sp_intercepts.car[j]--;
-						}
-					}
-				}
-			if (sp_globals.tcb.mirror == -1) 
-				{
-				if (sp_intercepts.inttype[j-1] & END_INT)
-					{
-					for (jplus1 = j+1; !(sp_intercepts.inttype[jplus1] & END_INT); jplus1++)
-						;
-					}
-				else
-					{
-					jplus1 = j-1;
-					}
-				}
-
-			if (!(sp_intercepts.inttype[jplus1] & LEFT_INT) && 
-                           sp_intercepts.car[j] > sp_intercepts.car[jplus1])
-				{
-				k = sp_intercepts.cdr[y - 1];
-				while (k > 0)
-					{
-					nextk = sp_intercepts.cdr[k];
-					if (!(sp_intercepts.inttype[k] & LEFT_INT) && 
-	                        (sp_intercepts.inttype[nextk] & LEFT_INT) && 
-						         sp_intercepts.car[nextk] > sp_intercepts.car[jplus1])
-						{
-						if ((diff=sp_intercepts.car[j] - sp_intercepts.car[k]) > 0)
-							{
-							if (diff <= (sp_intercepts.car[nextk] - sp_intercepts.car[jplus1]))
-								{
-								sp_intercepts.car[j] -= diff/2;
-		    		            sp_intercepts.car[k] += diff/2;
-								if (diff & 1)
-									{
-									if ((ufix16)(sp_intercepts.inttype[j] & FRACTION) + 
-	                        	               (ufix16)(sp_intercepts.inttype[k] & FRACTION) > sp_intercepts.fracpix)
-										sp_intercepts.car[j]--;
-									else
-										sp_intercepts.car[k]++;
-									}
-								}
-							else
-								{
-						 		diff = sp_intercepts.car[nextk] - sp_intercepts.car[jplus1];
-								sp_intercepts.car[nextk] -= diff/2;
-		    		            sp_intercepts.car[jplus1] += diff/2;
-								if (diff & 1)
-									{
-									if ((ufix16)(sp_intercepts.inttype[jplus1] & FRACTION) + 
-	                        	               (ufix16)(sp_intercepts.inttype[nextk] & FRACTION) > sp_intercepts.fracpix)
-										sp_intercepts.car[nextk]--;
-									else
-										sp_intercepts.car[jplus1]++;
-									}
-								}
-							}
-						break;
-						}
-					k = nextk;
-					}
-				}
-			if (j > 0 && sp_intercepts.car[j-1] > sp_intercepts.car[i] && !(sp_intercepts.inttype[j-1] & END_INT))
-				{
-				diff = sp_intercepts.car[j-1] - sp_intercepts.car[i];
-				sp_intercepts.car[i] += diff/2;
-	            sp_intercepts.car[j-1] -= diff/2;
-				if (diff & 1)
-					{
-					if ((ufix16)(sp_intercepts.inttype[i] & FRACTION) + (ufix16)(sp_intercepts.inttype[j-1] & FRACTION) > sp_intercepts.fracpix)
-						sp_intercepts.car[i]++;
-					else
-						sp_intercepts.car[j-1]--;
-					}
-				}
-			if (sp_intercepts.car[i+1] < sp_intercepts.car[j] && !(sp_intercepts.inttype[i] & END_INT))
-				{
-				diff = sp_intercepts.car[j] - sp_intercepts.car[i+1];
-				sp_intercepts.car[j] -= diff/2;
-	            sp_intercepts.car[i+1] += diff/2;
-				if (diff & 1)
-					{
-					if ((ufix16)(sp_intercepts.inttype[j] & FRACTION) + (ufix16)(sp_intercepts.inttype[i+1] & FRACTION) > sp_intercepts.fracpix)
-						sp_intercepts.car[i+1]++;
-					else
-						sp_intercepts.car[j]--;
-					}
-	
-				}
-			previ = i;
-	        }
-		i = sp_intercepts.cdr[i];
-	    }
-	}
-
-#if DEBUG
-printf("\nPROC_INTERCEPTS_SCREEN: Intercept lists after:\n");
-/* Print out all of the intercept info */
-scan_line = sp_globals.ymax - first_y - 1;
-
-for (y = first_y - sp_globals.y_band.band_min; y >= last_y; y--, scan_line++)
-    {
-    i = y;                            /* Index head of intercept list */
-    while ((i = sp_intercepts.cdr[i]) != 0)         /* Link to next intercept if present */
-        {
-        if ((from = sp_intercepts.car[i] - sp_globals.xmin) < 0)
-            from = 0;                 /* Clip to sp_globals.xmin boundary */
-        i = sp_intercepts.cdr[i];                   /* Link to next intercept */
-        if (i == 0)                   /* End of list? */
-            {
-            printf("****** proc_intercepts: odd number of intercepts\n");
-            break;
-            }
-        if ((to = sp_intercepts.car[i]) > sp_globals.xmax)
-            to = sp_globals.xmax - sp_globals.xmin;         /* Clip to sp_globals.xmax boundary */
-        else
-            to -= sp_globals.xmin;
-        printf("    Y = %2d (scanline %2d): %d %d:\n", 
-            y + sp_globals.y_band.band_min, scan_line, from, to);
-        }
-    }
-#endif                                                            
-
-/*  INTERCEPTS ALL PATCHED, NOW DRAW THE IMAGE */
-scan_line = sp_globals.ymax - first_y - 1;
-
-for (y = first_y - sp_globals.y_band.band_min; y >= last_y; y--, scan_line++)
-    {
-    i = sp_intercepts.cdr[y];                            /* Index head of intercept list */
-    while (i  != 0)         /* Link to next intercept if present */
-        {
-        from = sp_intercepts.car[i];
-        i = sp_intercepts.cdr[i];                   /* Link to next intercept */
-        to = sp_intercepts.car[i];
-#if INCL_CLIPPING
-        if (clipleft)
-                        {
-                        if (to <= xmin)
-				{
-		                i = sp_intercepts.cdr[i];
-                                continue;
-				}
-                        if (from < xmin)
-                                from = xmin;
-                        }
-        if (clipright)
-                        {
-                        if (from >= xmax)
-				{
-		                i = sp_intercepts.cdr[i];
-                                continue;
-				}
-                        if (to > xmax)
-                                to = xmax;
-                        }
-#endif
-        set_bitmap_bits(scan_line, from-sp_globals.xmin, to-sp_globals.xmin);
-	i = sp_intercepts.cdr[i];
-        }
-    }
-}
-
-#endif