-/* $XConsortium: out_util.c,v 1.2 91/05/11 09:53:35 rws 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.
-
-*/
-
-
-#define DEBUG 0
-
-/*************************** O U T _ U T I L . C *****************************
- * *
- * This is a utility module share by all bitmap output modules *
- * *
- *****************************************************************************/
-
-
-#include "spdo_prv.h" /* General definitions for Speedo */
-/* absolute value function */
-#define ABS(X) ( (X < 0) ? -X : X)
-#if INCL_BLACK || INCL_2D || INCL_SCREEN
-\f
-FUNCTION void init_char_out(Psw,Pmin,Pmax)
-GDECL
-point_t Psw, Pmin, Pmax;
-{
-sp_globals.set_width.x = (fix31)Psw.x << sp_globals.poshift;
-sp_globals.set_width.y = (fix31)Psw.y << sp_globals.poshift;
-set_first_band_out(Pmin, Pmax);
-init_intercepts_out();
-if (sp_globals.normal)
- {
- sp_globals.bmap_xmin = Pmin.x;
- sp_globals.bmap_xmax = Pmax.x;
- sp_globals.bmap_ymin = Pmin.y;
- sp_globals.bmap_ymax = Pmax.y;
- sp_globals.extents_running = FALSE;
- }
-else
- {
- sp_globals.bmap_xmin = 32000;
- sp_globals.bmap_xmax = -32000;
- sp_globals.bmap_ymin = 32000;
- sp_globals.bmap_ymax = -32000;
- sp_globals.extents_running = TRUE;
- }
-sp_globals.first_pass = TRUE;
-}
-\f
-FUNCTION void begin_sub_char_out(Psw, Pmin, Pmax)
-GDECL
-point_t Psw;
-point_t Pmin;
-point_t Pmax;
-/* Called at the start of each sub-character in a composite character
- */
-{
-#if DEBUG
-printf("BEGIN_SUB_CHAR_out(%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
-restart_intercepts_out();
-if (!sp_globals.extents_running)
- {
- sp_globals.bmap_xmin = 32000;
- sp_globals.bmap_xmax = -32000;
- sp_globals.bmap_ymin = 32000;
- sp_globals.bmap_ymax = -32000;
- sp_globals.extents_running = TRUE;
- }
-}
-\f
-FUNCTION void curve_out(P1, P2, P3,depth)
-GDECL
-point_t P1, P2, P3;
-fix15 depth;
-/* Called for each curve in the transformed character if curves out enabled
- */
-{
-#if DEBUG
-printf("CURVE_OUT(%3.1f, %3.1f, %3.1f, %3.1f, %3.1f, %3.1f)\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
-}
-\f
-
-
-FUNCTION void end_contour_out()
-GDECL
-/* Called after the last vector in each contour
- */
-{
-#if DEBUG
-printf("END_CONTOUR_OUT()\n");
-#endif
-}
-\f
-
-FUNCTION void end_sub_char_out()
-GDECL
-/* Called after the last contour in each sub-character in a compound character
- */
-{
-#if DEBUG
-printf("END_SUB_CHAR_OUT()\n");
-#endif
-}
-\f
-
-FUNCTION void init_intercepts_out()
-GDECL
-/* Called to initialize intercept storage data structure
- */
-
-{
-fix15 i;
-fix15 no_lists;
-
-#if DEBUG
-printf(" Init intercepts (Y band from %d to %d)\n", sp_globals.y_band.band_min, sp_globals.y_band.band_max);
-if (sp_globals.x_scan_active)
- printf(" (X band from %d to %d)\n", sp_globals.x_band.band_min, sp_globals.x_band.band_max);
-#endif
-
-sp_globals.intercept_oflo = FALSE;
-
-sp_globals.no_y_lists = sp_globals.y_band.band_max - sp_globals.y_band.band_min + 1;
-#if INCL_2D
-if (sp_globals.output_mode == MODE_2D)
- {
- sp_globals.no_x_lists = sp_globals.x_scan_active ?
- sp_globals.x_band.band_max - sp_globals.x_band.band_min + 1 : 0;
- no_lists = sp_globals.no_y_lists + sp_globals.no_x_lists;
- }
-else
-#endif
- no_lists = sp_globals.no_y_lists;
-
-#if INCL_2D
-sp_globals.y_band.band_floor = 0;
-sp_globals.y_band.band_ceiling = sp_globals.no_y_lists;
-#endif
-
-if (no_lists >= MAX_INTERCEPTS) /* Not enough room for list table? */
- {
- no_lists = sp_globals.no_y_lists = MAX_INTERCEPTS;
- sp_globals.intercept_oflo = TRUE;
- sp_globals.y_band.band_min = sp_globals.y_band.band_max - sp_globals.no_y_lists + 1;
-#if INCL_2D
- sp_globals.y_band.band_array_offset = sp_globals.y_band.band_min;
- sp_globals.y_band.band_ceiling = sp_globals.no_y_lists;
- sp_globals.no_x_lists = 0;
- sp_globals.x_scan_active = FALSE;
-#endif
- }
-
-for (i = 0; i < no_lists; i++) /* For each active value... */
- {
-#if INCL_SCREEN
- if (sp_globals.output_mode == MODE_SCREEN)
- sp_intercepts.inttype[i]=0;
-#endif
- sp_intercepts.cdr[i] = 0; /* Mark each intercept list empty */
- }
-
-sp_globals.first_offset = sp_globals.next_offset = no_lists;
-
-#if INCL_2D
-sp_globals.y_band.band_array_offset = sp_globals.y_band.band_min;
-sp_globals.x_band.band_array_offset = sp_globals.x_band.band_min - sp_globals.no_y_lists;
-sp_globals.x_band.band_floor = sp_globals.no_y_lists;
-sp_globals.x_band.band_ceiling = no_lists;
-#endif
-#if INCL_SCREEN
-sp_intercepts.inttype[sp_globals.no_y_lists-1] = END_INT;
-#endif
-
-}
-\f
-
-FUNCTION void restart_intercepts_out()
-GDECL
-
-/* Called by sp_make_char when a new sub character is started
- * Freezes current sorted lists
- */
-
-{
-
-#if DEBUG
-printf(" Restart intercepts:\n");
-#endif
-sp_globals.first_offset = sp_globals.next_offset;
-}
-\f
-
-
-FUNCTION void set_first_band_out(Pmin, Pmax)
-GDECL
-point_t Pmin;
-point_t Pmax;
-{
-
-sp_globals.ymin = Pmin.y;
-sp_globals.ymax = Pmax.y;
-
-sp_globals.ymin = (sp_globals.ymin - sp_globals.onepix + 1) >> sp_globals.pixshift;
-sp_globals.ymax = (sp_globals.ymax + sp_globals.onepix - 1) >> sp_globals.pixshift;
-
-#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;
- sp_globals.clip_ymin = -1* sp_globals.clip_ymin;
- if (sp_globals.ymin < sp_globals.clip_ymin)
- sp_globals.ymin = sp_globals.clip_ymin;
- }
- 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;
- if (sp_globals.ymax > sp_globals.clip_ymax)
- sp_globals.ymax = sp_globals.clip_ymax;
- }
- break;
- case 2: /* 90 degree rotation */
- 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;
- break;
- case 3: /* 270 degree rotation */
- 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;
- if (sp_globals.ymax > sp_globals.clip_ymax)
- 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;
- if (sp_globals.ymin < sp_globals.clip_ymin)
- sp_globals.ymin = sp_globals.clip_ymin;
- }
- break;
- }
-#endif
-sp_globals.y_band.band_min = sp_globals.ymin;
-sp_globals.y_band.band_max = sp_globals.ymax - 1;
-
-sp_globals.xmin = (Pmin.x + sp_globals.pixrnd) >> sp_globals.pixshift;
-sp_globals.xmax = (Pmax.x + sp_globals.pixrnd) >> sp_globals.pixshift;
-
-
-#if INCL_2D
-sp_globals.x_band.band_min = sp_globals.xmin - 1; /* subtract one pixel of "safety margin" */
-sp_globals.x_band.band_max = sp_globals.xmax /* - 1 + 1 */; /* Add one pixel of "safety margin" */
-#endif
-}
-
-
-
-
-
-\f
-
-FUNCTION void reduce_band_size_out()
-GDECL
-{
-sp_globals.y_band.band_min = sp_globals.y_band.band_max - ((sp_globals.y_band.band_max - sp_globals.y_band.band_min) >> 1);
-#if INCL_2D
-sp_globals.y_band.band_array_offset = sp_globals.y_band.band_min;
-#endif
-}
-\f
-
-FUNCTION boolean next_band_out()
-GDECL
-{
-fix15 tmpfix15;
-
-if (sp_globals.y_band.band_min <= sp_globals.ymin)
- return FALSE;
-tmpfix15 = sp_globals.y_band.band_max - sp_globals.y_band.band_min;
-sp_globals.y_band.band_max = sp_globals.y_band.band_min - 1;
-sp_globals.y_band.band_min = sp_globals.y_band.band_max - tmpfix15;
-if (sp_globals.y_band.band_min < sp_globals.ymin)
- sp_globals.y_band.band_min = sp_globals.ymin;
-#if INCL_2D
-sp_globals.y_band.band_array_offset = sp_globals.y_band.band_min;
-#endif
-return TRUE;
-}
-#endif
-
projects / rdpsrv / blobdiff