| 1 | /* Copyright 2013 Malcolm Herring
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| 2 | *
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| 3 | * This is free software: you can redistribute it and/or modify
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| 4 | * it under the terms of the GNU General Public License as published by
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| 5 | * the Free Software Foundation, version 3 of the License.
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| 6 | *
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| 7 | * For a copy of the GNU General Public License, see <http://www.gnu.org/licenses/>.
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| 8 | */
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| 9 |
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| 10 | package seamap;
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| 11 |
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| 12 | import java.awt.*;
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| 13 | import java.awt.font.*;
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| 14 | import java.awt.geom.*;
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| 15 | import java.awt.image.*;
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| 16 | import java.util.*;
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| 17 |
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| 18 | import s57.S57att.*;
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| 19 | import s57.S57obj.*;
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| 20 | import s57.S57val.*;
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| 21 | import s57.S57val;
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| 22 | import seamap.SeaMap;
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| 23 | import seamap.SeaMap.*;
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| 24 | import seamap.SeaMap.Area;
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| 25 | import symbols.Symbols;
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| 26 | import symbols.Symbols.*;
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| 27 |
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| 28 | public class Renderer {
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| 29 |
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| 30 | public static final EnumMap<ColCOL, Color> bodyColours = new EnumMap<ColCOL, Color>(ColCOL.class);
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| 31 | static {
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| 32 | bodyColours.put(ColCOL.COL_UNK, new Color(0, true));
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| 33 | bodyColours.put(ColCOL.COL_WHT, new Color(0xffffff));
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| 34 | bodyColours.put(ColCOL.COL_BLK, new Color(0x000000));
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| 35 | bodyColours.put(ColCOL.COL_RED, new Color(0xd40000));
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| 36 | bodyColours.put(ColCOL.COL_GRN, new Color(0x00d400));
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| 37 | bodyColours.put(ColCOL.COL_BLU, Color.blue);
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| 38 | bodyColours.put(ColCOL.COL_YEL, new Color(0xffd400));
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| 39 | bodyColours.put(ColCOL.COL_GRY, Color.gray);
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| 40 | bodyColours.put(ColCOL.COL_BRN, new Color(0x8b4513));
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| 41 | bodyColours.put(ColCOL.COL_AMB, new Color(0xfbf00f));
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| 42 | bodyColours.put(ColCOL.COL_VIO, new Color(0xee82ee));
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| 43 | bodyColours.put(ColCOL.COL_ORG, Color.orange);
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| 44 | bodyColours.put(ColCOL.COL_MAG, new Color(0xf000f0));
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| 45 | bodyColours.put(ColCOL.COL_PNK, Color.pink);
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| 46 | }
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| 47 |
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| 48 | public static final EnumMap<ColPAT, Patt> pattMap = new EnumMap<ColPAT, Patt>(ColPAT.class);
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| 49 | static {
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| 50 | pattMap.put(ColPAT.PAT_UNKN, Patt.Z);
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| 51 | pattMap.put(ColPAT.PAT_HORI, Patt.H);
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| 52 | pattMap.put(ColPAT.PAT_VERT, Patt.V);
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| 53 | pattMap.put(ColPAT.PAT_DIAG, Patt.D);
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| 54 | pattMap.put(ColPAT.PAT_BRDR, Patt.B);
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| 55 | pattMap.put(ColPAT.PAT_SQUR, Patt.S);
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| 56 | pattMap.put(ColPAT.PAT_CROS, Patt.C);
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| 57 | pattMap.put(ColPAT.PAT_SALT, Patt.X);
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| 58 | pattMap.put(ColPAT.PAT_STRP, Patt.H);
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| 59 | }
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| 60 |
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| 61 | public static final double symbolScale[] = { 256.0, 128.0, 64.0, 32.0, 16.0, 8.0, 4.0, 2.0, 1.0, 0.61, 0.372, 0.227, 0.138, 0.0843, 0.0514, 0.0313, 0.0191, 0.0117, 0.007, 0.138 };
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| 62 |
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| 63 | public static final double textScale[] = { 256.0, 128.0, 64.0, 32.0, 16.0, 8.0, 4.0, 2.0, 1.0, 0.5556, 0.3086, 0.1714, 0.0953, 0.0529, 0.0294, 0.0163, 0.0091, 0.0050, 0.0028, 0.0163 };
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| 64 |
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| 65 | static MapHelper helper;
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| 66 | static SeaMap map;
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| 67 | static double sScale;
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| 68 | static double tScale;
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| 69 | static Graphics2D g2;
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| 70 | static int zoom;
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| 71 |
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| 72 | public static void reRender(Graphics2D g, int z, double factor, SeaMap m, MapHelper h) {
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| 73 | g2 = g;
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| 74 | zoom = z;
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| 75 | helper = h;
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| 76 | map = m;
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| 77 | sScale = symbolScale[zoom] * factor;
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| 78 | tScale = textScale[zoom] * factor;
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| 79 | if (map != null) {
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| 80 | g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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| 81 | g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_GASP);
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| 82 | Rules.rules(map, zoom);
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| 83 | }
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| 84 | }
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| 85 |
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| 86 | public static AttMap getAtts(Feature feature, Obj obj, int idx) {
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| 87 | HashMap<Integer, AttMap> objs = feature.objs.get(obj);
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| 88 | if (objs == null)
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| 89 | return null;
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| 90 | else
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| 91 | return objs.get(idx);
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| 92 | }
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| 93 |
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| 94 | public static Object getAttVal(Feature feature, Obj obj, int idx, Att att) {
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| 95 | AttMap atts = getAtts(feature, obj, idx);
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| 96 | if (atts == null)
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| 97 | return S57val.nullVal(att);
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| 98 | else {
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| 99 | AttItem item = atts.get(att);
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| 100 | if (item == null)
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| 101 | return S57val.nullVal(att);
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| 102 | return item.val;
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| 103 | }
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| 104 | }
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| 105 |
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| 106 | public static void symbol(Feature feature, Symbol symbol, Obj obj, Delta delta, Scheme scheme) {
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| 107 | Point2D point = helper.getPoint(feature.centre);
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| 108 | if (obj == null) {
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| 109 | Symbols.drawSymbol(g2, symbol, sScale, point.getX(), point.getY(), delta, scheme);
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| 110 | } else {
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| 111 | ArrayList<Color> colours = new ArrayList<Color>();
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| 112 | for (ColCOL col : (ArrayList<ColCOL>)getAttVal(feature, obj, 0, Att.COLOUR)) {
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| 113 | colours.add(bodyColours.get(col));
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| 114 | }
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| 115 | ArrayList<Patt> patterns = new ArrayList<Patt>();
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| 116 | for(ColPAT pat: (ArrayList<ColPAT>) getAttVal(feature, obj, 0, Att.COLPAT)) {
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| 117 | patterns.add(pattMap.get(pat));
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| 118 | }
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| 119 | Symbols.drawSymbol(g2, symbol, sScale, point.getX(), point.getY(), delta, new Scheme(patterns, colours));
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| 120 | }
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| 121 | }
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| 122 |
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| 123 | private static Rectangle symbolSize(Symbol symbol) {
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| 124 | Symbol ssymb = symbol;
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| 125 | while (ssymb != null) {
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| 126 | for (Instr item : symbol) {
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| 127 | if (item.type == Prim.BBOX) {
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| 128 | return (Rectangle) item.params;
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| 129 | }
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| 130 | if (item.type == Prim.SYMB) {
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| 131 | ssymb = ((SubSymbol) item.params).instr;
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| 132 | break;
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| 133 | }
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| 134 | }
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| 135 | if (ssymb == symbol)
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| 136 | break;
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| 137 | }
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| 138 | return null;
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| 139 | }
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| 140 |
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| 141 | private double mile(Feature feature) {
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| 142 | return Math.pow(2, zoom) * 256 / (21600 * Math.abs(Math.cos(feature.centre.lat)));
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| 143 | }
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| 144 |
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| 145 | public static void lineSymbols(Feature feature, Symbol prisymb, double space, Symbol secsymb, int ratio, Color col) {
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| 146 | Area area;
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| 147 | switch (feature.flag) {
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| 148 | case LINE:
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| 149 | Edge edge = map.edges.get(feature.refs);
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| 150 | area = map.new Area();
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| 151 | area.add(map.new Bound(map.new Side(edge, true), true));
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| 152 | break;
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| 153 | case AREA:
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| 154 | area = map.areas.get(feature.refs);
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| 155 | break;
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| 156 | default:
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| 157 | return;
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| 158 | }
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| 159 | Rectangle prect = symbolSize(prisymb);
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| 160 | Rectangle srect = symbolSize(secsymb);
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| 161 | if (srect == null)
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| 162 | ratio = 0;
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| 163 | if (prect != null) {
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| 164 | double psize = Math.abs(prect.getY()) * sScale;
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| 165 | double ssize = (srect != null) ? Math.abs(srect.getY()) * sScale : 0;
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| 166 | Point2D prev = new Point2D.Double();
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| 167 | Point2D next = new Point2D.Double();
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| 168 | Point2D curr = new Point2D.Double();
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| 169 | Point2D succ = new Point2D.Double();
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| 170 | boolean gap = true;
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| 171 | boolean piv = false;
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| 172 | double len = 0;
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| 173 | double angle = 0;
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| 174 | int scount = ratio;
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| 175 | Symbol symbol = prisymb;
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| 176 | for (Bound bound : area) {
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| 177 | BoundIterator bit = map.new BoundIterator(bound);
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| 178 | boolean first = true;
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| 179 | while (bit.hasNext()) {
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| 180 | prev = next;
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| 181 | next = helper.getPoint(bit.next());
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| 182 | angle = Math.atan2(next.getY() - prev.getY(), next.getX() - prev.getX());
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| 183 | piv = true;
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| 184 | if (first) {
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| 185 | curr = succ = next;
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| 186 | gap = (space > 0);
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| 187 | scount = ratio;
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| 188 | symbol = prisymb;
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| 189 | len = gap ? psize * space * 0.5 : psize;
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| 190 | first = false;
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| 191 | } else {
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| 192 | while (curr.distance(next) >= len) {
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| 193 | if (piv) {
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| 194 | double rem = len;
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| 195 | double s = prev.distance(next);
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| 196 | double p = curr.distance(prev);
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| 197 | if ((s > 0) && (p > 0)) {
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| 198 | double n = curr.distance(next);
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| 199 | double theta = Math.acos((s * s + p * p - n * n) / 2 / s / p);
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| 200 | double phi = Math.asin(p / len * Math.sin(theta));
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| 201 | rem = len * Math.sin(Math.PI - theta - phi) / Math.sin(theta);
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| 202 | }
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| 203 | succ = new Point2D.Double(prev.getX() + (rem * Math.cos(angle)), prev.getY() + (rem * Math.sin(angle)));
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| 204 | piv = false;
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| 205 | } else {
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| 206 | succ = new Point2D.Double(curr.getX() + (len * Math.cos(angle)), curr.getY() + (len * Math.sin(angle)));
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| 207 | }
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| 208 | if (!gap) {
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| 209 | Symbols.drawSymbol(g2, symbol, sScale, curr.getX(), curr.getY(),
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| 210 | new Delta(Handle.BC, AffineTransform.getRotateInstance(Math.atan2((succ.getY() - curr.getY()), (succ.getX() - curr.getX())) + Math.toRadians(90))),
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| 211 | new Scheme(col));
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| 212 | }
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| 213 | if (space > 0)
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| 214 | gap = !gap;
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| 215 | curr = succ;
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| 216 | len = gap ? (psize * space) : (--scount == 0) ? ssize : psize;
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| 217 | if (scount == 0) {
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| 218 | symbol = secsymb;
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| 219 | scount = ratio;
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| 220 | } else {
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| 221 | symbol = prisymb;
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| 222 | }
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| 223 | }
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| 224 | }
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| 225 | }
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| 226 | }
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| 227 | }
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| 228 | }
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| 229 |
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| 230 | public static void lineVector(Feature feature, LineStyle style) {
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| 231 | Path2D.Double p = new Path2D.Double();
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| 232 | p.setWindingRule(GeneralPath.WIND_EVEN_ODD);
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| 233 | Point2D point;
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| 234 | switch (feature.flag) {
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| 235 | case LINE:
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| 236 | EdgeIterator eit = map.new EdgeIterator(map.edges.get(feature.refs), true);
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| 237 | point = helper.getPoint(eit.next());
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| 238 | p.moveTo(point.getX(), point.getY());
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| 239 | while (eit.hasNext()) {
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| 240 | point = helper.getPoint(eit.next());
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| 241 | p.lineTo(point.getX(), point.getY());
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| 242 | }
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| 243 | break;
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| 244 | case AREA:
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| 245 | for (Bound bound : map.areas.get(feature.refs)) {
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| 246 | BoundIterator bit = map.new BoundIterator(bound);
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| 247 | point = helper.getPoint(bit.next());
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| 248 | p.moveTo(point.getX(), point.getY());
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| 249 | while (bit.hasNext()) {
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| 250 | point = helper.getPoint(bit.next());
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| 251 | p.lineTo(point.getX(), point.getY());
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| 252 | }
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| 253 | }
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| 254 | break;
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| 255 | }
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| 256 | if (style.line != null) {
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| 257 | if (style.dash != null) {
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| 258 | float[] dash = new float[style.dash.length];
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| 259 | System.arraycopy(style.dash, 0, dash, 0, style.dash.length);
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| 260 | for (int i = 0; i < style.dash.length; i++) {
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| 261 | dash[i] *= (float) sScale;
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| 262 | }
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| 263 | g2.setStroke(new BasicStroke((float) (style.width * sScale), BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 1, dash, 0));
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| 264 | } else {
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| 265 | g2.setStroke(new BasicStroke((float) (style.width * sScale), BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND));
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| 266 | }
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| 267 | g2.setPaint(style.line);
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| 268 | g2.draw(p);
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| 269 | }
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| 270 | if (style.fill != null) {
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| 271 | g2.setPaint(style.fill);
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| 272 | g2.fill(p);
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| 273 | }
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| 274 | }
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| 275 |
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| 276 | public static void fillPattern(Feature feature, BufferedImage image) {
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| 277 | Path2D.Double p = new Path2D.Double();
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| 278 | p.setWindingRule(GeneralPath.WIND_EVEN_ODD);
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| 279 | Point2D point;
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| 280 | switch (feature.flag) {
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| 281 | case POINT:
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| 282 | point = helper.getPoint(feature.centre);
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| 283 | g2.drawImage(image, new AffineTransformOp(AffineTransform.getScaleInstance(sScale, sScale), AffineTransformOp.TYPE_NEAREST_NEIGHBOR),
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| 284 | (int)(point.getX() - (50 * sScale)), (int)(point.getY() - (50 * sScale)));
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| 285 | break;
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| 286 | case AREA:
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| 287 | for (Bound bound : map.areas.get(feature.refs)) {
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| 288 | BoundIterator bit = map.new BoundIterator(bound);
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| 289 | point = helper.getPoint(bit.next());
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| 290 | p.moveTo(point.getX(), point.getY());
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| 291 | while (bit.hasNext()) {
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| 292 | point = helper.getPoint(bit.next());
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| 293 | p.lineTo(point.getX(), point.getY());
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| 294 | }
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| 295 | }
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| 296 | g2.setPaint(new TexturePaint(image, new Rectangle(0, 0, 1 + (int)(100 * sScale), 1 + (int)(100 * sScale))));
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| 297 | g2.fill(p);
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| 298 | break;
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| 299 | }
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| 300 | }
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| 301 |
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| 302 | public static void labelText(Feature feature, String str, Font font, Color colour, Delta delta) {
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| 303 | Symbol label = new Symbol();
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| 304 | label.add(new Instr(Prim.TEXT, new Caption(str, font, colour, (delta == null) ? new Delta(Handle.CC, null) : delta)));
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| 305 | Point2D point = helper.getPoint(feature.centre);
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| 306 | Symbols.drawSymbol(g2, label, sScale, point.getX(), point.getY(), null, null);
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| 307 | }
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| 308 |
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| 309 | public static void lineText(Feature feature, String str, Font font, Color colour, double offset, double dy) {
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| 310 | Area area;
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| 311 | switch (feature.flag) {
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| 312 | case LINE:
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| 313 | Edge edge = map.edges.get(feature.refs);
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| 314 | area = map.new Area();
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| 315 | area.add(map.new Bound(map.new Side(edge, true), true));
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| 316 | break;
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| 317 | case AREA:
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| 318 | area = map.areas.get(feature.refs);
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| 319 | break;
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| 320 | default:
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| 321 | return;
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| 322 | }
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| 323 | // Rectangle prect = symbolSize(prisymb);
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| 324 | if (!str.isEmpty()) {
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| 325 | g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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| 326 | FontRenderContext frc = g2.getFontRenderContext();
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| 327 | GlyphVector gv = font.deriveFont((float)(font.getSize()*tScale)).createGlyphVector(frc, str);
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| 328 | // double psize = Math.abs(prect.getX());
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| 329 | Point2D prev = new Point2D.Double();
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| 330 | Point2D next = new Point2D.Double();
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| 331 | Point2D curr = new Point2D.Double();
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| 332 | Point2D succ = new Point2D.Double();
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| 333 | boolean gap = true;
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| 334 | boolean piv = false;
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| 335 | double len = 0;
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| 336 | double angle = 0;
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| 337 | for (Bound bound : area) {
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| 338 | BoundIterator bit = map.new BoundIterator(bound);
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| 339 | boolean first = true;
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| 340 | while (bit.hasNext()) {
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| 341 | prev = next;
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| 342 | next = helper.getPoint(bit.next());
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| 343 | angle = Math.atan2(next.getY() - prev.getY(), next.getX() - prev.getX());
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| 344 | piv = true;
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| 345 | if (first) {
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| 346 | curr = succ = next;
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| 347 | // gap = (space > 0);
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| 348 | // len = gap ? psize * space * 0.5 : psize;
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| 349 | first = false;
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| 350 | } else {
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| 351 | while (curr.distance(next) >= len) {
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| 352 | if (piv) {
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| 353 | double rem = len;
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| 354 | double s = prev.distance(next);
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| 355 | double p = curr.distance(prev);
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| 356 | if ((s > 0) && (p > 0)) {
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| 357 | double n = curr.distance(next);
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| 358 | double theta = Math.acos((s * s + p * p - n * n) / 2 / s / p);
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| 359 | double phi = Math.asin(p / len * Math.sin(theta));
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| 360 | rem = len * Math.sin(Math.PI - theta - phi) / Math.sin(theta);
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| 361 | }
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| 362 | succ = new Point2D.Double(prev.getX() + (rem * Math.cos(angle)), prev.getY() + (rem * Math.sin(angle)));
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| 363 | piv = false;
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| 364 | } else {
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| 365 | succ = new Point2D.Double(curr.getX() + (len * Math.cos(angle)), curr.getY() + (len * Math.sin(angle)));
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| 366 | }
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| 367 | if (!gap) {
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| 368 | // Symbols.drawSymbol(g2, symbol, sScale, curr.getX(), curr.getY(), new Delta(Handle.BC, AffineTransform.getRotateInstance(Math.atan2((succ.getY() - curr.getY()), (succ.getX() - curr.getX())) + Math.toRadians(90))), null);
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| 369 | }
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| 370 | gap = false;
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| 371 | curr = succ;
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| 372 | // len = psize;
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| 373 | }
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| 374 | }
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| 375 | }
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| 376 | }
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| 377 | }
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| 378 | }
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| 379 | }
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