Import sources from 2011-03-30 iso image

1 files changed, 408 insertions, 0 deletions

diff --git a/sys/src/cmd/gs/src/gdevcgml.h b/sys/src/cmd/gs/src/gdevcgml.h
new file mode 100755
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+++ b/sys/src/cmd/gs/src/gdevcgml.h
@@ -0,0 +1,408 @@
+/* Copyright (C) 1995, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This software is provided AS-IS with no warranty, either express or
+  implied.
+  
+  This software is distributed under license and may not be copied,
+  modified or distributed except as expressly authorized under the terms
+  of the license contained in the file LICENSE in this distribution.
+  
+  For more information about licensing, please refer to
+  http://www.ghostscript.com/licensing/. For information on
+  commercial licensing, go to http://www.artifex.com/licensing/ or
+  contact Artifex Software, Inc., 101 Lucas Valley Road #110,
+  San Rafael, CA  94903, U.S.A., +1(415)492-9861.
+*/
+
+/* $Id: gdevcgml.h,v 1.5 2002/06/16 07:25:26 lpd Exp $ */
+/* Interface definitions for CGM-writing library */
+
+#ifndef gdevcgml_INCLUDED
+#  define gdevcgml_INCLUDED
+
+/* The names in the following follow the CGM standard exactly, */
+/* except that we have substituted the American spellings of */
+/* color (colour) and center (centre). */
+
+/* ================ Types ================ */
+
+/* Define the abstract type for the CGM writer state. */
+typedef struct cgm_state_s cgm_state;
+
+/* Define the type for the allocator used by the CGM writer. */
+typedef struct cgm_allocator_s {
+    void *private_data;
+    void *(*alloc) (void *, uint);
+    void (*free) (void *, void *);
+} cgm_allocator;
+
+/* Define types for CGM coordinates. */
+typedef int cgm_int;
+typedef double cgm_real;
+typedef union cgm_vdc_s {
+    cgm_int integer;
+    cgm_real real;
+} cgm_vdc;
+typedef struct cgm_int_point_s {
+    cgm_int x, y;
+} cgm_int_point;
+typedef struct cgm_real_point_s {
+    cgm_real x, y;
+} cgm_real_point;
+typedef union cgm_point_s {
+    cgm_int_point integer;
+    cgm_real_point real;
+} cgm_point;
+
+/* Define types for colors. */
+typedef struct cgm_rgb_s {
+    cgm_int r, g, b;
+} cgm_rgb;
+typedef union cgm_color_s {
+    cgm_int index;
+    cgm_rgb rgb;
+} cgm_color;
+
+/*
+ * Define other types used in CGM elements or API calls.
+ * If cgm_xxx is an enumerated type, let xxx' be xxx with any of the
+ * following words dropped: mode, specification, type; then the values
+ * of the enumerated type are named cgm_xxx'_yyy.
+ */
+typedef enum {
+    cgm_vdc_integer = 0,
+    cgm_vdc_real
+} cgm_vdc_type;
+typedef struct cgm_string_s {
+    const char *chars;
+    uint length;
+} cgm_string;
+typedef enum {
+    cgm_scaling_abstract = 0,
+    cgm_scaling_metric
+} cgm_scaling_mode;
+typedef enum {
+    cgm_color_selection_indexed = 0,
+    cgm_color_selection_direct
+} cgm_color_selection_mode;
+typedef enum {
+    cgm_line_marker_absolute = 0,
+    cgm_line_marker_scaled
+} cgm_line_marker_specification_mode;
+typedef cgm_line_marker_specification_mode
+        cgm_line_width_specification_mode, cgm_marker_size_specification_mode,
+        cgm_edge_width_specification_mode;
+typedef union cgm_line_marker_extent_s {
+    cgm_vdc absolute;
+    cgm_real scaled;
+} cgm_line_marker_extent;
+typedef cgm_line_marker_extent
+        cgm_line_width, cgm_marker_size, cgm_edge_width;
+typedef enum {
+    cgm_transparency_off = 0,
+    cgm_transparency_on
+} cgm_transparency;
+typedef enum {
+    cgm_clip_off = 0,
+    cgm_clip_on
+} cgm_clip_indicator;
+typedef struct cgm_precision_s {
+    enum {
+	cgm_representation_floating, cgm_representation_fixed
+    } representation;
+    int exponent_or_whole_width;
+    int fraction_width;
+} cgm_precision;
+typedef enum {
+    cgm_line_solid = 1,
+    cgm_line_dash,
+    cgm_line_dot,
+    cgm_line_dash_dot,
+    cgm_line_dash_dot_dot
+} cgm_line_type;
+typedef enum {
+    cgm_marker_dot = 1,
+    cgm_marker_plus,
+    cgm_marker_asterisk,
+    cgm_marker_circle,
+    cgm_marker_cross
+} cgm_marker_type;
+typedef enum {
+    cgm_text_precision_string = 0,
+    cgm_text_precision_character,
+    cgm_text_precision_stroke
+} cgm_text_precision;
+typedef enum {
+    cgm_text_path_right = 0,
+    cgm_text_path_left,
+    cgm_text_path_up,
+    cgm_text_path_down
+} cgm_text_path;
+typedef enum {
+    cgm_text_horizontal_normal = 0,
+    cgm_text_horizontal_left,
+    cgm_text_horizontal_center,
+    cgm_text_horizontal_right,
+    cgm_text_horizontal_continuous
+} cgm_text_alignment_horizontal;
+typedef enum {
+    cgm_text_vertical_normal = 0,
+    cgm_text_vertical_top,
+    cgm_text_vertical_cap,
+    cgm_text_vertical_half,
+    cgm_text_vertical_base,
+    cgm_text_vertical_bottom,
+    cgm_text_vertical_continuous
+} cgm_text_alignment_vertical;
+typedef enum {
+    cgm_interior_style_hollow = 0,
+    cgm_interior_style_solid,
+    cgm_interior_style_pattern,
+    cgm_interior_style_hatch,
+    cgm_interior_style_empty
+} cgm_interior_style;
+typedef enum {
+    cgm_hatch_horizontal = 1,
+    cgm_hatch_vertical,
+    cgm_hatch_positive_slope,
+    cgm_hatch_negative_slope,
+    cgm_hatch_combined_v_h_slant,
+    cgm_hatch_combined_l_r_slant
+} cgm_hatch_index;
+typedef enum {
+    cgm_arc_closure_pie = 0,
+    cgm_arc_closure_chord
+} cgm_arc_closure;
+typedef enum {
+    cgm_edge_out_invisible = 0,
+    cgm_edge_out_visible,
+    cgm_edge_out_close_invisible,
+    cgm_edge_out_close_visible
+} cgm_edge_out;
+typedef struct cgm_polygon_edge_s {
+    cgm_point vertex;
+    cgm_edge_out edge_out;
+} cgm_polygon_edge;
+typedef enum {
+    cgm_cell_mode_run_length = 0,
+    cgm_cell_mode_packed
+} cgm_cell_representation_mode;
+typedef enum {
+    cgm_edge_solid = 1,
+    cgm_edge_dash,
+    cgm_edge_dot,
+    cgm_edge_dash_dot,
+    cgm_edge_dash_dot_dot
+} cgm_edge_type;
+typedef enum {
+    cgm_aspect_source_individual = 0,
+    cgm_aspect_source_bundled
+} cgm_aspect_source;
+typedef enum {
+    cgm_aspect_line_type = 0,
+    cgm_aspect_line_width,
+    cgm_aspect_line_color,
+    cgm_aspect_marker_type,
+    cgm_aspect_marker_size,
+    cgm_aspect_marker_color,
+    cgm_aspect_text_font_index,
+    cgm_aspect_text_precision,
+    cgm_aspect_character_expansion_factor,
+    cgm_aspect_character_spacing,
+    cgm_aspect_text_color,
+    cgm_aspect_interior_style,
+    cgm_aspect_fill_color,
+    cgm_aspect_hatch_index,
+    cgm_aspect_pattern_index,
+    cgm_aspect_edge_type,
+    cgm_aspect_edge_width,
+    cgm_aspect_edge_color
+} cgm_aspect_type;
+typedef struct cgm_aspect_source_flag_s {
+    cgm_aspect_type type;
+    cgm_aspect_source source;
+} cgm_aspect_source_flag;
+
+/* ================ API ================ */
+
+typedef enum {
+    cgm_result_ok = 0,
+    cgm_result_wrong_state = -1,
+    cgm_result_out_of_range = -2,
+    cgm_result_io_error = -3,
+    cgm_result_out_of_memory = -4
+} cgm_result;
+
+/* ---------------- Initialize/terminate ---------------- */
+
+cgm_state *cgm_initialize(FILE *, const cgm_allocator *);
+cgm_result cgm_terminate(cgm_state *);
+
+/* ---------------- Metafile elements ---------------- */
+
+typedef struct cgm_metafile_elements_s {
+    cgm_int metafile_version;
+    cgm_string metafile_description;
+    cgm_vdc_type vdc_type;
+    int integer_precision;
+    cgm_precision real_precision;
+    int index_precision;
+    int color_precision;
+    int color_index_precision;
+    cgm_int maximum_color_index;
+    cgm_color color_value_extent[2];
+    const int *metafile_element_list;
+    int metafile_element_list_count;
+    const cgm_string *font_list;
+    int font_list_count;
+    /* character_set_list */
+    /* character_coding_announcer */
+} cgm_metafile_elements;
+
+#define cgm_set_METAFILE_VERSION	(1L<<0)
+#define cgm_set_METAFILE_DESCRIPTION	(1L<<1)
+#define cgm_set_VDC_TYPE		(1L<<2)
+#define cgm_set_INTEGER_PRECISION	(1L<<3)
+#define cgm_set_REAL_PRECISION		(1L<<4)
+#define cgm_set_INDEX_PRECISION		(1L<<5)
+#define cgm_set_COLOR_PRECISION		(1L<<6)
+#define cgm_set_COLOR_INDEX_PRECISION	(1L<<7)
+#define cgm_set_MAXIMUM_COLOR_INDEX	(1L<<8)
+#define cgm_set_COLOR_VALUE_EXTENT	(1L<<9)
+#define cgm_set_METAFILE_ELEMENT_LIST	(1L<<10)
+#define cgm_set_FONT_LIST		(1L<<11)
+#define cgm_set_CHARACTER_SET_LIST	(1L<<12)
+#define cgm_set_CHARACTER_CODING_ANNOUNCER	(1L<<13)
+
+cgm_result
+    cgm_BEGIN_METAFILE(cgm_state *, const char *, uint),
+    cgm_set_metafile_elements(cgm_state *,
+			      const cgm_metafile_elements *, long),
+    cgm_END_METAFILE(cgm_state *);
+
+/* ---------------- Picture elements ---------------- */
+
+typedef struct cgm_picture_elements_s {
+    cgm_scaling_mode scaling_mode;
+    cgm_real scale_factor;
+    cgm_color_selection_mode color_selection_mode;
+    cgm_line_width_specification_mode line_width_specification_mode;
+    cgm_marker_size_specification_mode marker_size_specification_mode;
+    cgm_edge_width_specification_mode edge_width_specification_mode;
+    cgm_point vdc_extent[2];
+    cgm_color background_color;
+} cgm_picture_elements;
+
+#define cgm_set_SCALING_MODE		(1L<<0)
+#define cgm_set_COLOR_SELECTION_MODE	(1L<<1)
+#define cgm_set_LINE_WIDTH_SPECIFICATION_MODE	(1L<<2)
+#define cgm_set_MARKER_SIZE_SPECIFICATION_MODE	(1L<<3)
+#define cgm_set_EDGE_WIDTH_SPECIFICATION_MODE	(1L<<4)
+#define cgm_set_VDC_EXTENT		(1L<<5)
+#define cgm_set_BACKGROUND_COLOR	(1L<<6)
+
+cgm_result
+    cgm_BEGIN_PICTURE(cgm_state *, const char *, uint),
+    cgm_set_picture_elements(cgm_state *,
+			     const cgm_picture_elements *, long),
+    cgm_BEGIN_PICTURE_BODY(cgm_state *),
+    cgm_END_PICTURE(cgm_state *);
+
+/* ---------------- Control elements ---------------- */
+
+cgm_result
+    cgm_VDC_INTEGER_PRECISION(cgm_state *, int),
+    cgm_VDC_REAL_PRECISION(cgm_state *, const cgm_precision *),
+    cgm_AUXILIARY_COLOR(cgm_state *, const cgm_color *),
+    cgm_TRANSPARENCY(cgm_state *, cgm_transparency),
+    cgm_CLIP_RECTANGLE(cgm_state *, const cgm_point[2]),
+    cgm_CLIP_INDICATOR(cgm_state *, cgm_clip_indicator);
+
+/* ---------------- Graphical primitive elements ---------------- */
+
+cgm_result
+    cgm_POLYLINE(cgm_state *, const cgm_point *, int),
+    cgm_DISJOINT_POLYLINE(cgm_state *, const cgm_point *, int),
+    cgm_POLYMARKER(cgm_state *, const cgm_point *, int),
+    cgm_TEXT(cgm_state *, const cgm_point *, bool, const char *, uint),
+    cgm_RESTRICTED_TEXT(cgm_state *, const cgm_vdc *, const cgm_vdc *,
+			const cgm_point *, bool, const char *, uint),
+    cgm_APPEND_TEXT(cgm_state *, bool, const char *, uint),
+    cgm_POLYGON(cgm_state *, const cgm_point *, int),
+    cgm_POLYGON_SET(cgm_state *, const cgm_polygon_edge *, int),
+    cgm_CELL_ARRAY(cgm_state *, const cgm_point * /*[3] */ , cgm_int,
+		   cgm_int, cgm_int, cgm_cell_representation_mode,
+		   const byte *, uint, uint),
+    cgm_RECTANGLE(cgm_state *, const cgm_point *, const cgm_point *),
+    cgm_CIRCLE(cgm_state *, const cgm_point *, const cgm_vdc *),
+    cgm_CIRCULAR_ARC_3_POINT(cgm_state *, const cgm_point *,
+			     const cgm_point *, const cgm_point *),
+    cgm_CIRCULAR_ARC_3_POINT_CLOSE(cgm_state *, const cgm_point *,
+				   const cgm_point *,
+				   const cgm_point *, cgm_arc_closure),
+    cgm_CIRCULAR_ARC_CENTER(cgm_state *, const cgm_point *,
+			    const cgm_vdc *, const cgm_vdc *,
+			    const cgm_vdc *, const cgm_vdc *,
+			    const cgm_vdc *),
+    cgm_CIRCULAR_ARC_CENTER_CLOSE(cgm_state *, const cgm_point *,
+				  const cgm_vdc *, const cgm_vdc *,
+				  const cgm_vdc *, const cgm_vdc *,
+				  const cgm_vdc *, cgm_arc_closure),
+    cgm_ELLIPSE(cgm_state *, const cgm_point *, const cgm_point *,
+		const cgm_point *),
+    cgm_ELLIPTICAL_ARC(cgm_state *, const cgm_point *,
+		       const cgm_point *, const cgm_point *,
+		       const cgm_vdc *, const cgm_vdc *,
+		       const cgm_vdc *, const cgm_vdc *),
+    cgm_ELLIPTICAL_ARC_CLOSE(cgm_state *, const cgm_point *,
+			     const cgm_point *, const cgm_point *,
+			     const cgm_vdc *, const cgm_vdc *,
+			     const cgm_vdc *, const cgm_vdc *,
+			     cgm_arc_closure);
+
+/* ---------------- Attribute elements ---------------- */
+
+cgm_result
+    cgm_LINE_BUNDLE_INDEX(cgm_state *, cgm_int),
+    cgm_LINE_TYPE(cgm_state *, cgm_line_type),
+    cgm_LINE_WIDTH(cgm_state *, const cgm_line_width *),
+    cgm_LINE_COLOR(cgm_state *, const cgm_color *),
+    cgm_MARKER_BUNDLE_INDEX(cgm_state *, cgm_int),
+    cgm_MARKER_TYPE(cgm_state *, cgm_marker_type),
+    cgm_MARKER_SIZE(cgm_state *, const cgm_marker_size *),
+    cgm_MARKER_COLOR(cgm_state *, const cgm_color *),
+    cgm_TEXT_BUNDLE_INDEX(cgm_state *, cgm_int),
+    cgm_TEXT_FONT_INDEX(cgm_state *, cgm_int),
+    cgm_TEXT_PRECISION(cgm_state *, cgm_text_precision),
+    cgm_CHARACTER_EXPANSION_FACTOR(cgm_state *, cgm_real),
+    cgm_CHARACTER_SPACING(cgm_state *, cgm_real),
+    cgm_TEXT_COLOR(cgm_state *, const cgm_color *),
+    cgm_CHARACTER_HEIGHT(cgm_state *, const cgm_vdc *),
+    cgm_CHARACTER_ORIENTATION(cgm_state *, const cgm_vdc *,
+			      const cgm_vdc *, const cgm_vdc *,
+			      const cgm_vdc *),
+    cgm_TEXT_PATH(cgm_state *, cgm_text_path),
+    cgm_TEXT_ALIGNMENT(cgm_state *, cgm_text_alignment_horizontal,
+		       cgm_text_alignment_vertical, cgm_real, cgm_real),
+    cgm_CHARACTER_SET_INDEX(cgm_state *, cgm_int),
+    /* The following should be cgm_ALTERNATE_..., but the VAX DEC C */
+    /* compiler gives an error for names longer than 31 characters. */
+    cgm_ALT_CHARACTER_SET_INDEX(cgm_state *, cgm_int),
+    cgm_FILL_BUNDLE_INDEX(cgm_state *, cgm_int),
+    cgm_INTERIOR_STYLE(cgm_state *, cgm_interior_style),
+    cgm_FILL_COLOR(cgm_state *, const cgm_color *),
+    cgm_HATCH_INDEX(cgm_state *, cgm_hatch_index),
+    cgm_PATTERN_INDEX(cgm_state *, cgm_int),
+    cgm_EDGE_BUNDLE_INDEX(cgm_state *, cgm_int),
+    cgm_EDGE_TYPE(cgm_state *, cgm_edge_type),
+    cgm_EDGE_WIDTH(cgm_state *, const cgm_edge_width *),
+    cgm_EDGE_COLOR(cgm_state *, const cgm_color *),
+    cgm_EDGE_VISIBILITY(cgm_state *, bool),
+    cgm_FILL_REFERENCE_POINT(cgm_state *, const cgm_point *),
+    /* PATTERN_TABLE */
+    cgm_PATTERN_SIZE(cgm_state *, const cgm_vdc *, const cgm_vdc *,
+		     const cgm_vdc *, const cgm_vdc *),
+    cgm_COLOR_TABLE(cgm_state *, cgm_int, const cgm_color *, int),
+    cgm_ASPECT_SOURCE_FLAGS(cgm_state *, const cgm_aspect_source_flag *, int);
+
+#endif /* gdevcgml_INCLUDED */