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+/* $Xorg: out_outl.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.
+
+*/
+
+
+/**************************** O U T _ 2 _ 1 . C ******************************
+ * *
+ * This is the standard output module for vector output mode. *
+ * *
+ ****************************************************************************/
+
+
+#include "spdo_prv.h" /* General definitions for Speedo */
+
+
+#define DEBUG 0
+
+#if DEBUG
+#include <stdio.h>
+#define SHOW(X) printf("X = %d\n", X)
+#else
+#define SHOW(X)
+#endif
+
+/* the following macro is used to limit points on the outline to the bounding box */
+
+#define RANGECHECK(value,min,max) (((value) >= (min) ? (value) : (min)) < (max) ? (value) : (max))
+/***** GLOBAL VARIABLES *****/
+
+/***** GLOBAL FUNCTIONS *****/
+
+/***** EXTERNAL VARIABLES *****/
+
+/***** EXTERNAL FUNCTIONS *****/
+
+/***** STATIC VARIABLES *****/
+
+/***** STATIC FUNCTIONS *****/
+
+
+#if INCL_OUTLINE
+FUNCTION boolean init_outline(specsarg)
+GDECL
+specs_t GLOBALFAR *specsarg;
+/*
+ * init_out2() 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_OUT_2()\n");
+#endif
+if (specsarg->flags & (CLIP_LEFT + CLIP_RIGHT + CLIP_TOP + CLIP_BOTTOM))
+ return FALSE; /* Clipping not supported */
+return (TRUE);
+}
+#endif
+
+#if INCL_OUTLINE
+FUNCTION boolean begin_char_outline(Psw, Pmin, Pmax)
+GDECL
+point_t Psw; /* End of escapement vector (sub-pixels) */
+point_t Pmin; /* Bottom left corner of bounding box */
+point_t Pmax; /* Top right corner of bounding box */
+/*
+ * If two or more output modules are included in the configuration, begin_char2()
+ * is called by begin_char() to signal the start of character output data.
+ * If only one output module is included in the configuration, begin_char() is
+ * called by make_simp_char() and make_comp_char().
+ */
+{
+fix31 set_width_x;
+fix31 set_width_y;
+fix31 xmin;
+fix31 xmax;
+fix31 ymin;
+fix31 ymax;
+
+#if DEBUG
+printf("BEGIN_CHAR_2(%3.1f, %3.1f, %3.1f, %3.1f, %3.1f, %3.1f\n",
+ (real)Psw.x / (real)onepix, (real)Psw.y / (real)onepix,
+ (real)Pmin.x / (real)onepix, (real)Pmin.y / (real)onepix,
+ (real)Pmax.x / (real)onepix, (real)Pmax.y / (real)onepix);
+#endif
+sp_globals.poshift = 16 - sp_globals.pixshift;
+set_width_x = (fix31)Psw.x << sp_globals.poshift;
+set_width_y = (fix31)Psw.y << sp_globals.poshift;
+xmin = (fix31)Pmin.x << sp_globals.poshift;
+xmax = (fix31)Pmax.x << sp_globals.poshift;
+ymin = (fix31)Pmin.y << sp_globals.poshift;
+ymax = (fix31)Pmax.y << sp_globals.poshift;
+sp_globals.xmin = Pmin.x;
+sp_globals.xmax = Pmax.x;
+sp_globals.ymin = Pmin.y;
+sp_globals.ymax = Pmax.y;
+open_outline(set_width_x, set_width_y, xmin, xmax, ymin, ymax);
+return TRUE;
+}
+#endif
+
+#if INCL_OUTLINE
+FUNCTION void begin_sub_char_outline(Psw, Pmin, Pmax)
+GDECL
+point_t Psw; /* End of sub-char escapement vector */
+point_t Pmin; /* Bottom left corner of sub-char bounding box */
+point_t Pmax; /* Top right corner of sub-char bounding box */
+/*
+ * If two or more output modules are included in the configuration, begin_sub_char2()
+ * is called by begin_sub_char() to signal the start of sub-character output data.
+ * If only one output module is included in the configuration, begin_sub_char() is
+ * called by make_comp_char().
+ */
+{
+#if DEBUG
+printf("BEGIN_SUB_CHAR_2(%3.1f, %3.1f, %3.1f, %3.1f, %3.1f, %3.1f\n",
+ (real)Psw.x / (real)onepix, (real)Psw.y / (real)onepix,
+ (real)Pmin.x / (real)onepix, (real)Pmin.y / (real)onepix,
+ (real)Pmax.x / (real)onepix, (real)Pmax.y / (real)onepix);
+#endif
+start_new_char();
+}
+#endif
+
+
+#if INCL_OUTLINE
+FUNCTION void begin_contour_outline(P1, outside)
+GDECL
+point_t P1; /* Start point of contour */
+boolean outside; /* TRUE if outside (counter-clockwise) contour */
+/*
+ * If two or more output modules are included in the configuration, begin_contour2()
+ * is called by begin_contour() to define the start point of a new contour
+ * and to indicate whether it is an outside (counter-clockwise) contour
+ * or an inside (clockwise) contour.
+ * If only one output module is included in the configuration, begin_sub_char() is
+ * called by proc_outl_data().
+ */
+{
+fix15 x,y;
+#if DEBUG
+printf("BEGIN_CONTOUR_2(%3.1f, %3.1f, %s)\n",
+ (real)P1.x / (real)onepix, (real)P1.y / (real)onepix, outside? "outside": "inside");
+#endif
+x = RANGECHECK(P1.x,sp_globals.xmin,sp_globals.xmax);
+y = RANGECHECK(P1.y,sp_globals.ymin,sp_globals.ymax);
+
+start_contour((fix31)x << sp_globals.poshift, (fix31)y << sp_globals.poshift, outside);
+}
+#endif
+
+#if INCL_OUTLINE
+FUNCTION void curve_outline(P1, P2, P3,depth)
+GDECL
+point_t P1; /* First control point of Bezier curve */
+point_t P2; /* Second control point of Bezier curve */
+point_t P3; /* End point of Bezier curve */
+fix15 depth;
+/*
+ * If two or more output modules are included in the configuration, curve2()
+ * is called by curve() to output one curve segment.
+ * If only one output module is included in the configuration, curve() is
+ * called by proc_outl_data().
+ * This function is only called when curve output is enabled.
+ */
+{
+fix15 x1,y1,x2,y2,x3,y3;
+#if DEBUG
+printf("CURVE_2(%3.1f, %3.1f, %3.1f, %3.1f, %3.1f, %3.1f)\n",
+ (real)P1.x / (real)onepix, (real)P1.y / (real)onepix,
+ (real)P2.x / (real)onepix, (real)P2.y / (real)onepix,
+ (real)P3.x / (real)onepix, (real)P3.y / (real)onepix);
+#endif
+x1= RANGECHECK(P1.x,sp_globals.xmin,sp_globals.xmax);
+y1= RANGECHECK(P1.y,sp_globals.ymin,sp_globals.ymax);
+
+x2= RANGECHECK(P2.x,sp_globals.xmin,sp_globals.xmax);
+y2= RANGECHECK(P2.y,sp_globals.ymin,sp_globals.ymax);
+
+x3= RANGECHECK(P3.x,sp_globals.xmin,sp_globals.xmax);
+y3= RANGECHECK(P3.y,sp_globals.ymin,sp_globals.ymax);
+
+curve_to((fix31)x1 << sp_globals.poshift, (fix31)y1 << sp_globals.poshift,
+ (fix31)x2<< sp_globals.poshift, (fix31)y2 << sp_globals.poshift,
+ (fix31)x3 << sp_globals.poshift, (fix31)y3 << sp_globals.poshift);
+}
+#endif
+
+#if INCL_OUTLINE
+FUNCTION void line_outline(P1)
+GDECL
+point_t P1; /* End point of vector */
+/*
+ * If two or more output modules are included in the configuration, line2()
+ * is called by line() to output one vector.
+ * If only one output module is included in the configuration, line() is
+ * called by proc_outl_data(). If curve output is enabled, line() is also
+ * called by split_curve().
+ */
+{
+fix15 x1,y1;
+#if DEBUG
+printf("LINE_2(%3.1f, %3.1f)\n", (real)P1.x / (real)onepix, (real)P1.y / (real)onepix);
+#endif
+x1= RANGECHECK(P1.x,sp_globals.xmin,sp_globals.xmax);
+y1= RANGECHECK(P1.y,sp_globals.ymin,sp_globals.ymax);
+
+line_to((fix31)x1 << sp_globals.poshift, (fix31)y1 << sp_globals.poshift);
+}
+#endif
+
+#if INCL_OUTLINE
+FUNCTION void end_contour_outline()
+GDECL
+/*
+ * If two or more output modules are included in the configuration, end_contour2()
+ * is called by end_contour() to signal the end of a contour.
+ * If only one output module is included in the configuration, end_contour() is
+ * called by proc_outl_data().
+ */
+{
+#if DEBUG
+printf("END_CONTOUR_2()\n");
+#endif
+close_contour();
+}
+#endif
+
+
+#if INCL_OUTLINE
+FUNCTION void end_sub_char_outline()
+GDECL
+/*
+ * If two or more output modules are included in the configuration, end_sub_char2()
+ * is called by end_sub_char() to signal the end of sub-character data.
+ * If only one output module is included in the configuration, end_sub_char() is
+ * called by make_comp_char().
+ */
+{
+#if DEBUG
+printf("END_SUB_CHAR_2()\n");
+#endif
+}
+#endif
+
+
+#if INCL_OUTLINE
+FUNCTION boolean end_char_outline()
+GDECL
+/*
+ * If two or more output modules are included in the configuration, end_char2()
+ * is called by end_char() to signal the end of the character data.
+ * If only one output module is included in the configuration, end_char() is
+ * called by make_simp_char() and make_comp_char().
+ * Returns TRUE if output process is complete
+ * Returns FALSE to repeat output of the transformed data beginning
+ * with the first contour (of the first sub-char if compound).
+ */
+{
+#if DEBUG
+printf("END_CHAR_2()\n");
+#endif
+close_outline();
+return TRUE;
+}
+#endif
+
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