svg.h

下载来的一个看图软件的源代码

/* libwmf ("ipa/svg.h"): library for wmf conversion
   Copyright (C) 2000 - various; see CREDITS, ChangeLog, and sources

   The libwmf Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The libwmf Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the libwmf Library; see the file COPYING.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */


#ifndef WMFIPA_SVG_H
#define WMFIPA_SVG_H

typedef enum
{	svg_arc_open,
	svg_arc_pie,
	svg_arc_chord
} svg_arc_t;

static void svg_draw_arc (wmfAPI*,wmfDrawArc_t*,svg_arc_t);

typedef struct _svgPoint svgPoint;

struct _svgPoint
{	float x;
	float y;
};

static svgPoint svg_translate (wmfAPI*,wmfD_Coord);

static float svg_width (wmfAPI*,float);
static float svg_height (wmfAPI*,float);

static void svg_style_stroke (wmfAPI*,wmfDC*);
static void svg_style_fill (wmfAPI*,wmfDC*);

typedef struct _svgFont  svgFont;

struct _svgFont
{	char* ps_name;
	char* family;
	char* style;
	char* weight;
};

static svgFont svg_font (char*);

static svgFont svg_known_fonts[] = {
	{	"Courier",		"Courier",	"normal",	"normal" },
	{	"Courier-Oblique",	"Courier",	"oblique",	"normal" },
	{	"Courier-Bold",		"Courier",	"normal",	"bold"   },
	{	"Courier-BoldOblique",	"Courier",	"oblique",	"bold"   },
	{	"Helvetica",		"Helvetica",	"normal",	"normal" },
	{	"Helvetica-Oblique",	"Helvetica",	"oblique",	"normal" },
	{	"Helvetica-Bold",	"Helvetica",	"normal",	"bold"   },
	{	"Helvetica-BoldOblique","Helvetica",	"oblique",	"bold"   },
	{	"Times-Roman",		"Times",	"normal",	"normal" },
	{	"Times-Italic",		"Times",	"italic",	"normal" },
	{	"Times-Bold",		"Times",	"normal",	"bold"   },
	{	"Times-BoldItalic",	"Times",	"italic",	"bold"   },
	{	"Symbol",		"Symbol",	"normal",	"normal" },
	{	0,			"Times",	"normal",	"normal" } /* default */
};

typedef struct _svgColor svgColor;

struct _svgColor
{	char* name;

	unsigned char r;
	unsigned char g;
	unsigned char b;
};

static char* svg_color_closest (wmfRGB*);

/* These are the colors defined in the SVG standard
 */
static svgColor svg_named_color[147] = {
	{ "aliceblue",			240, 248, 255 },
	{ "antiquewhite",		250, 235, 215 },
	{ "aqua",			  0, 255, 255 },
	{ "aquamarine",			127, 255, 212 },
	{ "azure",			240, 255, 255 },
	{ "beige",			245, 245, 220 },
	{ "bisque",			255, 228, 196 },
	{ "black",			  0,   0,   0 },
	{ "blanchedalmond",		255, 235, 205 },
	{ "blue",			  0,   0, 255 },
	{ "blueviolet",			138,  43, 226 },
	{ "brown",			165,  42,  42 },
	{ "burlywood",			222, 184, 135 },
	{ "cadetblue",			 95, 158, 160 },
	{ "chartreuse",			127, 255,   0 },
	{ "chocolate",			210, 105,  30 },
	{ "coral",			255, 127,  80 },
	{ "cornflowerblue",		100, 149, 237 },
	{ "cornsilk",			255, 248, 220 },
	{ "crimson",			220,  20,  60 },
	{ "cyan",			  0, 255, 255 },
	{ "darkblue",			  0,   0, 139 },
	{ "darkcyan",			  0, 139, 139 },
	{ "darkgoldenrod",		184, 134,  11 },
	{ "darkgray",			169, 169, 169 },
	{ "darkgreen",			  0, 100,   0 },
	{ "darkgrey",			169, 169, 169 },
	{ "darkkhaki",			189, 183, 107 },
	{ "darkmagenta",		139,   0, 139 },
	{ "darkolivegreen",		 85, 107,  47 },
	{ "darkorange",			255, 140,   0 },
	{ "darkorchid",			153,  50, 204 },
	{ "darkred",			139,   0,   0 },
	{ "darksalmon",			233, 150, 122 },
	{ "darkseagreen",		143, 188, 143 },
	{ "darkslateblue",		 72,  61, 139 },
	{ "darkslategray",		 47,  79,  79 },
	{ "darkslategrey",		 47,  79,  79 },
	{ "darkturquoise",		  0, 206, 209 },
	{ "darkviolet",			148,   0, 211 },
	{ "deeppink",			255,  20, 147 },
	{ "deepskyblue",		  0, 191, 255 },
	{ "dimgray",			105, 105, 105 },
	{ "dimgrey",			105, 105, 105 },
	{ "dodgerblue",			 30, 144, 255 },
	{ "firebrick",			178,  34,  34 },
	{ "floralwhite",		255, 250, 240 },
	{ "forestgreen",		 34, 139,  34 },
	{ "fuchsia",			255,   0, 255 },
	{ "gainsboro",			220, 220, 220 },
	{ "ghostwhite",			248, 248, 255 },
	{ "gold",			255, 215,   0 },
	{ "goldenrod",			218, 165,  32 },
	{ "gray",			128, 128, 128 },
	{ "grey",			128, 128, 128 },
	{ "green",			  0, 128,   0 },
	{ "greenyellow",		173, 255,  47 },
	{ "honeydew",			240, 255, 240 },
	{ "hotpink",			255, 105, 180 },
	{ "indianred",			205,  92,  92 },
	{ "indigo",			 75,   0, 130 },
	{ "ivory",			255, 255, 240 },
	{ "khaki",			240, 230, 140 },
	{ "lavender",			230, 230, 250 },
	{ "lavenderblush",		255, 240, 245 },
	{ "lawngreen",			124, 252,   0 },
	{ "lemonchiffon",		255, 250, 205 },
	{ "lightblue",			173, 216, 230 },
	{ "lightcoral",			240, 128, 128 },
	{ "lightcyan",			224, 255, 255 },
	{ "lightgoldenrodyellow",	250, 250, 210 },
	{ "lightgray",			211, 211, 211 },
	{ "lightgreen",			144, 238, 144 },
	{ "lightgrey",			211, 211, 211 },
	{ "lightpink",			255, 182, 193 },
	{ "lightsalmon",		255, 160, 122 },
	{ "lightseagreen",		 32, 178, 170 },
	{ "lightskyblue",		135, 206, 250 },
	{ "lightslategray",		119, 136, 153 },
	{ "lightslategrey",		119, 136, 153 },
	{ "lightsteelblue",		176, 196, 222 },
	{ "lightyellow",		255, 255, 224 },
	{ "lime",			  0, 255,   0 },
	{ "limegreen",			 50, 205,  50 },
	{ "linen",			250, 240, 230 },
	{ "magenta",			255,   0, 255 },
	{ "maroon",			128,   0,   0 },
	{ "mediumaquamarine",		102, 205, 170 },
	{ "mediumblue",			  0,   0, 205 },
	{ "mediumorchid",		186,  85, 211 },
	{ "mediumpurple",		147, 112, 219 },
	{ "mediumseagreen",		 60, 179, 113 },
	{ "mediumslateblue",		123, 104, 238 },
	{ "mediumspringgreen",		  0, 250, 154 },
	{ "mediumturquoise",		 72, 209, 204 },
	{ "mediumvioletred",		199,  21, 133 },
	{ "midnightblue",		 25,  25, 112 },
	{ "mintcream",			245, 255, 250 },
	{ "mistyrose",			255, 228, 225 },
	{ "moccasin",			255, 228, 181 },
	{ "navajowhite",		255, 222, 173 },
	{ "navy",			  0,   0, 128 },
	{ "oldlace",			253, 245, 230 },
	{ "olive",			128, 128,   0 },
	{ "olivedrab",			107, 142,  35 },
	{ "orange",			255, 165,   0 },
	{ "orangered",			255,  69,   0 },
	{ "orchid",			218, 112, 214 },
	{ "palegoldenrod",		238, 232, 170 },
	{ "palegreen",			152, 251, 152 },
	{ "paleturquoise",		175, 238, 238 },
	{ "palevioletred",		219, 112, 147 },
	{ "papayawhip",			255, 239, 213 },
	{ "peachpuff",			255, 218, 185 },
	{ "peru",			205, 133,  63 },
	{ "pink",			255, 192, 203 },
	{ "plum",			221, 160, 221 },
	{ "powderblue",			176, 224, 230 },
	{ "purple",			128,   0, 128 },
	{ "red",			255,   0,   0 },
	{ "rosybrown",			188, 143, 143 },
	{ "royalblue",			 65, 105, 225 },
	{ "saddlebrown",		139,  69,  19 },
	{ "salmon",			250, 128, 114 },
	{ "sandybrown",			244, 164,  96 },
	{ "seagreen",			 46, 139,  87 },
	{ "seashell",			255, 245, 238 },
	{ "sienna",			160,  82,  45 },
	{ "silver",			192, 192, 192 },
	{ "skyblue",			135, 206, 235 },
	{ "slateblue",			106,  90, 205 },
	{ "slategray",			112, 128, 144 },
	{ "slategrey",			112, 128, 144 },
	{ "snow",			255, 250, 250 },
	{ "springgreen",		  0, 255, 127 },
	{ "steelblue",			 70, 130, 180 },
	{ "tan",			210, 180, 140 },
	{ "teal",			  0, 128, 128 },
	{ "thistle",			216, 191, 216 },
	{ "tomato",			255,  99,  71 },
	{ "turquoise",			 64, 224, 208 },
	{ "violet",			238, 130, 238 },
	{ "wheat",			245, 222, 179 },
	{ "white",			255, 255, 255 },
	{ "whitesmoke",			245, 245, 245 },
	{ "yellow",			255, 255,   0 },
	{ "yellowgreen",		154, 205,  50 }};

#endif /* ! WMFIPA_SVG_H */