1 | package org.expeditee.gui;
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2 |
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3 | import java.awt.Color;
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4 | import java.awt.Dimension;
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5 | import java.awt.EventQueue;
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6 | import java.awt.Graphics;
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7 | import java.awt.Graphics2D;
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8 | import java.awt.GraphicsEnvironment;
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9 | import java.awt.Image;
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10 | import java.awt.Polygon;
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11 | import java.awt.Rectangle;
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12 | import java.awt.RenderingHints;
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13 | import java.awt.geom.Area;
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14 | import java.awt.image.BufferedImage;
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15 | import java.util.Collection;
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16 | import java.util.Collections;
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17 | import java.util.Comparator;
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18 | import java.util.HashSet;
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19 | import java.util.LinkedList;
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20 | import java.util.List;
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21 | import java.util.ListIterator;
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22 |
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23 | import org.expeditee.items.Circle;
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24 | import org.expeditee.items.Item;
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25 | import org.expeditee.items.ItemUtils;
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26 | import org.expeditee.items.Line;
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27 | import org.expeditee.items.Permission;
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28 | import org.expeditee.items.XRayable;
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29 | import org.expeditee.items.widgets.InteractiveWidget;
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30 | import org.expeditee.items.widgets.WidgetEdge;
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31 |
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32 | public class FrameGraphics {
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33 |
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34 | // the graphics used to paint with
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35 | private static Graphics2D _DisplayGraphics;
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36 |
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37 | // the maximum size that can be used to paint on
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38 | private static Dimension _MaxSize = new Dimension(1000, 1000);
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39 |
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40 | // Final passes to renderering the current frame
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41 | private static LinkedList<FrameRenderPass> _frameRenderPasses = new LinkedList<FrameRenderPass>();
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42 |
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43 | // modes
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44 | public static final int MODE_NORMAL = 0;
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45 |
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46 | public static final int MODE_AUDIENCE = 1;
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47 |
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48 | public static final int MODE_XRAY = 2;
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49 |
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50 | // Start in XRay mode so that errors arnt thrown when parsing the profile
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51 | // frame if it has images on it
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52 | private static int _Mode = MODE_XRAY;
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53 |
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54 | private FrameGraphics() {
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55 | // util constructor
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56 | }
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57 |
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58 | /**
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59 | * If Audience Mode is on this method will toggle it to be off, or
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60 | * vice-versa. This results in the Frame being re-parsed and repainted.
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61 | */
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62 | public static void ToggleAudienceMode() {
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63 | Frame current = DisplayIO.getCurrentFrame();
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64 | if (_Mode == MODE_XRAY) {
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65 | ToggleXRayMode();
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66 | }
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67 |
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68 | if (_Mode == MODE_AUDIENCE) {
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69 | _Mode = MODE_NORMAL;
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70 | } else {
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71 | _Mode = MODE_AUDIENCE;
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72 | ItemUtils.UpdateConnectedToAnnotations(current.getItems());
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73 | for (Overlay o : current.getOverlays()) {
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74 | ItemUtils.UpdateConnectedToAnnotations(o.Frame.getItems());
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75 | }
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76 | for (Vector v : current.getVectorsDeep()) {
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77 | ItemUtils.UpdateConnectedToAnnotations(v.Frame.getItems());
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78 | }
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79 | }
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80 | FrameUtils.Parse(current);
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81 | DisplayIO.UpdateTitle();
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82 | setMaxSize(new Dimension(_MaxSize.width, MessageBay
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83 | .getMessageBufferHeight()
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84 | + _MaxSize.height));
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85 | refresh(false);
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86 | }
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87 |
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88 | /**
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89 | * If X-Ray Mode is on this method will toggle it to be off, or vice-versa.
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90 | * This results in the Frame being re-parsed and repainted.
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91 | */
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92 | public static void ToggleXRayMode() {
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93 | if (_Mode == MODE_AUDIENCE) {
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94 | ToggleAudienceMode();
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95 | }
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96 |
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97 | if (_Mode == MODE_XRAY) {
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98 | setMode(MODE_NORMAL, true);
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99 | } else {
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100 | setMode(MODE_XRAY, true);
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101 | }
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102 | DisplayIO.getCurrentFrame().refreshSize();
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103 | DisplayIO.UpdateTitle();
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104 | FrameMouseActions.getInstance().refreshHighlights();
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105 | FrameMouseActions.updateCursor();
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106 | refresh(false);
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107 | }
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108 |
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109 | public static void setMode(int mode, boolean parse) {
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110 | if (_Mode == mode)
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111 | return;
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112 | _Mode = mode;
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113 | if (parse) {
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114 | Frame current = DisplayIO.getCurrentFrame();
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115 | current.parse();
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116 | }
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117 | }
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118 |
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119 | /**
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120 | * @return True if Audience Mode is currently on, False otherwise.
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121 | */
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122 | public static boolean isAudienceMode() {
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123 | return _Mode == MODE_AUDIENCE;
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124 | }
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125 |
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126 | /**
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127 | * @return True if X-Ray Mode is currently on, False otherwise.
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128 | */
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129 | public static boolean isXRayMode() {
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130 | return _Mode == MODE_XRAY;
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131 | }
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132 |
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133 | public static void setMaxSize(Dimension max) {
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134 | if (_MaxSize == null)
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135 | _MaxSize = max;
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136 |
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137 | // Hide the message buffer if in audience mode
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138 | int newMaxHeight = max.height
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139 | - (isAudienceMode() ? 0 : MessageBay.MESSAGE_BUFFER_HEIGHT);
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140 | if (newMaxHeight > 0) {
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141 | _MaxSize.setSize(max.width, newMaxHeight);
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142 | }
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143 | Frame current = DisplayIO.getCurrentFrame();
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144 | if (current != null) {
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145 | current.setBuffer(null);
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146 | current.refreshSize();
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147 | if (DisplayIO.isTwinFramesOn()) {
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148 | Frame opposite = DisplayIO.getOppositeFrame();
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149 |
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150 | /* When running the test suite opposite may be null! */
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151 | if (opposite != null) {
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152 | opposite.setBuffer(null);
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153 | opposite.refreshSize();
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154 | }
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155 | }
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156 | }
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157 |
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158 | if (newMaxHeight > 0) {
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159 | MessageBay.updateSize();
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160 | }
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161 | }
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162 |
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163 | public static Dimension getMaxSize() {
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164 | return _MaxSize;
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165 | }
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166 |
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167 | public static Dimension getMaxFrameSize() {
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168 | if (DisplayIO.isTwinFramesOn()) {
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169 | return new Dimension((_MaxSize.width / 2), _MaxSize.height);
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170 | } else
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171 | return _MaxSize;
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172 | }
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173 |
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174 | /**
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175 | * Sets the Graphics2D object that should be used for all painting tasks.
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176 | * Note: Actual painting is done by using g.create() to create temporary
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177 | * instances that are then disposed of using g.dispose().
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178 | *
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179 | * @param g
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180 | * The Graphics2D object to use for all painting
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181 | */
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182 | public static void setDisplayGraphics(Graphics2D g) {
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183 | _DisplayGraphics = g;
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184 | }
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185 |
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186 | /*
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187 | * Displays the given Item on the screen
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188 | */
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189 | static void PaintItem(Graphics2D g, Item i) {
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190 | if (i == null || g == null)
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191 | return;
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192 |
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193 | // do not paint annotation items in audience mode
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194 | if (!isAudienceMode()
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195 | || (isAudienceMode() && !i.isConnectedToAnnotation() && !i
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196 | .isAnnotation()) || i == FrameUtils.getLastEdited()) {
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197 |
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198 | Graphics2D tg = (Graphics2D) g.create();
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199 | i.paint(tg);
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200 | tg.dispose();
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201 | }
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202 | }
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203 |
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204 | /**
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205 | * Adds all the scaled vector items for a frame into a list. It uses
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206 | * recursion to get the items from nested vector frames.
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207 | *
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208 | * @param items
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209 | * the list into which the vector items will be placed.
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210 | * @param vector
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211 | * the frame containing vecor items.
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212 | * @param seenVectors
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213 | * the vectors which should be ignored to prevent infinate loops.
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214 | * @param origin
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215 | * start point for this frame or null if it is a top level frame.
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216 | * @param scale
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217 | * the factor by which the item on the vector frame are to be
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218 | * scaled.
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219 | */
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220 | // public static void AddAllVectorItems(List<Item> items, Vector vector,
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221 | // Collection<Frame> seenVectors) {
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222 | // // Check all the vector items and add the items on the vectors
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223 | // if (seenVectors.contains(vector))
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224 | // return;
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225 | // seenVectors.add(vector);
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226 | //
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227 | // float originX = origin == null ? 0 : origin.x;
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228 | // float originY = origin == null ? 0 : origin.y;
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229 | //
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230 | // for (Vector o : vector.getVectors())
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231 | // AddAllVectorItems(items, o.Frame, new HashSet<Frame>(seenVectors),
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232 | // new Point2D.Float(originX + o.Origin.x * scale, originY
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233 | // + o.Origin.y * scale), o.Scale * scale,
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234 | // o.Foreground, o.Background);
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235 | // // if its the original frame then were done
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236 | // if (origin == null) {
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237 | // ItemUtils.EnclosedCheck(items);
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238 | // return;
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239 | // }
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240 | // // Put copies of the items shifted to the origin of the VectorTag
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241 | // items.addAll(ItemUtils
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242 | // .CopyItems(vector.getNonAnnotationItems(), vector));
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243 | //
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244 | // }
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245 | /**
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246 | * Recursive function similar to AddAllOverlayItems.
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247 | *
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248 | * @param widgets
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249 | * The collection the widgets will be added to
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250 | * @param overlay
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251 | * An "overlay" frame - this intially will be the parent frame
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252 | * @param seenOverlays
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253 | * Used for state in the recursion stack. Pass as an empty
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254 | * (non-null) list.
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255 | */
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256 | public static void AddAllOverlayWidgets(List<InteractiveWidget> widgets,
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257 | Frame overlay, List<Frame> seenOverlays) {
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258 | if (seenOverlays.contains(overlay))
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259 | return;
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260 |
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261 | seenOverlays.add(overlay);
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262 |
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263 | for (Overlay o : overlay.getOverlays())
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264 | AddAllOverlayWidgets(widgets, o.Frame, seenOverlays);
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265 |
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266 | widgets.addAll(overlay.getInteractiveWidgets());
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267 | }
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268 |
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269 | private static Image Paint(Frame toPaint, Area clip) {
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270 | return Paint(toPaint, clip, true, true);
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271 | }
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272 |
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273 | /**
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274 | *
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275 | * @param toPaint
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276 | * @param clip
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277 | * If null, then no clip applied.
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278 | * @param isActualFrame
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279 | * @return
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280 | */
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281 | private static Image Paint(Frame toPaint, Area clip, boolean isActualFrame,
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282 | boolean createVolitile) {
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283 | if (toPaint == null)
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284 | return null;
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285 |
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286 | // the buffer is not valid, so it must be recreated
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287 | if (!toPaint.isBufferValid()) {
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288 | Image buffer = toPaint.getBuffer();
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289 | if (buffer == null) {
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290 | GraphicsEnvironment ge = GraphicsEnvironment
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291 | .getLocalGraphicsEnvironment();
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292 | if (createVolitile) {
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293 | buffer = ge.getDefaultScreenDevice()
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294 | .getDefaultConfiguration()
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295 | .createCompatibleVolatileImage(_MaxSize.width,
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296 | _MaxSize.height);
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297 | } else {
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298 | buffer = new BufferedImage(_MaxSize.width, _MaxSize.height,
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299 | BufferedImage.TYPE_INT_ARGB);
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300 | }
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301 | toPaint.setBuffer(buffer);
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302 | }
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303 |
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304 | Graphics2D bg = (Graphics2D) buffer.getGraphics();
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305 | paintFrame(toPaint, clip, isActualFrame, createVolitile, bg);
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306 |
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307 | bg.dispose();
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308 | }
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309 |
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310 | return toPaint.getBuffer();
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311 | }
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312 |
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313 | /**
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314 | * @param toPaint
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315 | * @param clip
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316 | * @param isActualFrame
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317 | * @param createVolitile
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318 | * @param bg
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319 | */
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320 | public static void paintFrame(Frame toPaint, Area clip,
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321 | boolean isActualFrame, boolean createVolitile, Graphics2D bg) {
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322 |
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323 | // Prepare render passes
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324 | if (isActualFrame) {
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325 | currentClip = clip;
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326 | for (FrameRenderPass pass : _frameRenderPasses) {
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327 | currentClip = pass.paintStarted(currentClip);
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328 | clip = currentClip;
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329 | }
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330 | }
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331 |
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332 | bg.setClip(clip);
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333 |
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334 | // TODO: Revise images and clip - VERY IMPORTANT
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335 |
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336 | // Nicer looking lines, but may be too jerky while
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337 | // rubber-banding on older machines
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338 | if (UserSettings.AntiAlias)
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339 | bg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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340 | RenderingHints.VALUE_ANTIALIAS_ON);
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341 | // If we are doing @f etc... then have a clear background if its the
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342 | // default background color
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343 | Color backgroundColor = null;
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344 | // Need to allow transparency for frameImages
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345 | if (createVolitile) {
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346 | backgroundColor = toPaint.getPaintBackgroundColor();
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347 | } else {
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348 | backgroundColor = toPaint.getBackgroundColor();
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349 | if (backgroundColor == null)
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350 | backgroundColor = Item.TRANSPARENT;
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351 | }
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352 |
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353 | // if(isActual)
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354 | bg.setColor(backgroundColor);
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355 | if (isActualFrame) {
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356 | // bg.setColor(Color.white); // TODO: TEMP FOR DEBUGGING
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357 |
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358 | // System.out.println("paintPic");
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359 | }
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360 | bg.fillRect(0, 0, _MaxSize.width, _MaxSize.height);
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361 |
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362 | List<Item> visibleItems = new LinkedList<Item>();
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363 | List<InteractiveWidget> paintWidgets;
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364 |
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365 | if (isActualFrame) {
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366 | // Add all the items for this frame and any other from other
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367 | // frames
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368 | visibleItems.addAll(toPaint.getAllItems());
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369 | paintWidgets = new LinkedList<InteractiveWidget>();
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370 | AddAllOverlayWidgets(paintWidgets, toPaint, new LinkedList<Frame>());
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371 | } else {
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372 | visibleItems.addAll(toPaint.getVisibleItems());
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373 | visibleItems.addAll(toPaint.getVectorItems());
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374 | paintWidgets = toPaint.getInteractiveWidgets();
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375 | }
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376 |
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377 | HashSet<Item> paintedFillsAndLines = new HashSet<Item>();
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378 | // FIRST: Paint widgets swing gui (not expeditee gui) .
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379 | // Note that these are the anchored widgets
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380 | ListIterator<InteractiveWidget> widgetItor = paintWidgets
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381 | .listIterator(paintWidgets.size());
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382 | while (widgetItor.hasPrevious()) {
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383 | // Paint first-in-last-serve ordering - like swing
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384 | // If it is done the other way around then widgets are covered up by
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385 | // the box that is supposed to be underneath
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386 | InteractiveWidget iw = widgetItor.previous();
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387 | if (clip == null || clip.intersects(iw.getComponant().getBounds())) {
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388 | iw.paint(bg);
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389 | PaintItem(bg, iw.getItems().get(4));
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390 | paintedFillsAndLines.addAll(iw.getItems());
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391 | }
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392 | }
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393 |
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394 | // Filter out items that do not need to be painted
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395 | List<Item> paintItems;
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396 | HashSet<Item> fillOnlyItems = null; // only contains items that do
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397 | // not need drawing but fills
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398 | // might
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399 |
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400 | if (clip == null) {
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401 | paintItems = visibleItems;
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402 | } else {
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403 | fillOnlyItems = new HashSet<Item>();
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404 | paintItems = new LinkedList<Item>();
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405 | for (Item i : visibleItems) {
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406 | if (i.isInDrawingArea(clip)) {
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407 | paintItems.add(i);
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408 | } else if (i.isEnclosed()) {
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409 | // just add all fill items despite possibility of fills
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410 | // not being in clip
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411 | // because it will be faster than having to test twice
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412 | // for fills that do need
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413 | // repainting.
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414 | fillOnlyItems.add(i);
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415 | }
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416 | }
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417 | }
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418 | // Only paint files and lines once ... between anchored AND free
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419 | // items
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420 | PaintPictures(bg, paintItems, fillOnlyItems, paintedFillsAndLines);
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421 | PaintLines(bg, visibleItems);
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422 |
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423 | // Filter out free items that do not need to be painted
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424 | // This is efficient in cases with animation while free items exist
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425 |
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426 | List<Item> freeItemsToPaint = new LinkedList<Item>();
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427 | // Dont paint the free items for the other frame in twin frames mode
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428 | // if (toPaint == DisplayIO.getCurrentFrame()) {
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429 | if (clip == null) {
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430 | freeItemsToPaint = FreeItems.getInstance();
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431 | } else {
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432 | freeItemsToPaint = new LinkedList<Item>();
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433 | fillOnlyItems.clear();
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434 | for (Item i : FreeItems.getInstance()) {
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435 | if (i.isInDrawingArea(clip)) {
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436 | freeItemsToPaint.add(i);
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437 | } else if (i.isEnclosed()) {
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438 | fillOnlyItems.add(i);
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439 | }
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440 | }
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441 | }
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442 | // }
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443 |
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444 | if (isActualFrame && toPaint == DisplayIO.getCurrentFrame())
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445 | PaintPictures(bg, freeItemsToPaint, fillOnlyItems,
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446 | paintedFillsAndLines);
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447 | // TODO if we can get transparency with FreeItems.getInstance()...
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448 | // then text can be done before freeItems
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449 | PaintNonLinesNonPicture(bg, paintItems);
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450 |
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451 | // toPaint.setBufferValid(true);
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452 |
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453 | if (isActualFrame && !isAudienceMode()) {
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454 | PaintItem(bg, toPaint.getNameItem());
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455 | }
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456 |
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457 | if (DisplayIO.isTwinFramesOn()) {
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458 | List<Item> lines = new LinkedList<Item>();
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459 | for (Item i : freeItemsToPaint) {
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460 | if (i instanceof Line) {
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461 | Line line = (Line) i;
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462 |
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463 | if (toPaint == DisplayIO.getCurrentFrame()) {
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464 | // If exactly one end of the line is floating...
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465 |
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466 | if (line.getEndItem().isFloating()
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467 | ^ line.getStartItem().isFloating()) {
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468 | // Line l = TransposeLine(line,
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469 | // line.getEndItem(),
|
---|
470 | // toPaint, 0, 0);
|
---|
471 | // if (l == null)
|
---|
472 | // l = TransposeLine(line,
|
---|
473 | // line.getStartItem(), toPaint, 0, 0);
|
---|
474 | // if (l == null)
|
---|
475 | // l = line;
|
---|
476 | // lines.add(l);
|
---|
477 | } else {
|
---|
478 | // lines.add(line);
|
---|
479 | }
|
---|
480 | } else {
|
---|
481 | // if (line.getEndItem().isFloating()
|
---|
482 | // ^ line.getStartItem().isFloating()) {
|
---|
483 | // lines.add(TransposeLine(line,
|
---|
484 | // line.getEndItem(), toPaint,
|
---|
485 | // FrameMouseActions.getY(), -DisplayIO
|
---|
486 | // .getMiddle()));
|
---|
487 | // lines.add(TransposeLine(line, line
|
---|
488 | // .getStartItem(), toPaint,
|
---|
489 | // FrameMouseActions.getY(), -DisplayIO
|
---|
490 | // .getMiddle()));
|
---|
491 | // }
|
---|
492 | }
|
---|
493 | }
|
---|
494 | }
|
---|
495 | if (isActualFrame)
|
---|
496 | PaintLines(bg, lines);
|
---|
497 | } else {
|
---|
498 | // Dont paint the
|
---|
499 | if (isActualFrame)
|
---|
500 | PaintLines(bg, freeItemsToPaint);
|
---|
501 | }
|
---|
502 |
|
---|
503 | if (isActualFrame && toPaint == DisplayIO.getCurrentFrame())
|
---|
504 | PaintNonLinesNonPicture(bg, freeItemsToPaint);
|
---|
505 |
|
---|
506 | // Repaint popups / drags... As well as final passes
|
---|
507 | if (isActualFrame) {
|
---|
508 | for (FrameRenderPass pass : _frameRenderPasses) {
|
---|
509 | pass.paintPreLayeredPanePass(bg);
|
---|
510 | }
|
---|
511 | PopupManager.getInstance().paintLayeredPane(bg, clip);
|
---|
512 | for (FrameRenderPass pass : _frameRenderPasses) {
|
---|
513 | pass.paintFinalPass(bg);
|
---|
514 | }
|
---|
515 | }
|
---|
516 |
|
---|
517 | if (FreeItems.hasCursor()
|
---|
518 | && DisplayIO.getCursor() == Item.DEFAULT_CURSOR)
|
---|
519 | PaintNonLinesNonPicture(bg, FreeItems.getCursor());
|
---|
520 | }
|
---|
521 |
|
---|
522 | // creates a new line so that lines are shown correctly when spanning
|
---|
523 | // across frames in TwinFrames mode
|
---|
524 | // private static Line TransposeLine(Line line, Item d, Frame toPaint,
|
---|
525 | // int base, int adj) {
|
---|
526 | // Line nl = null;
|
---|
527 | //
|
---|
528 | // if (toPaint != DisplayIO.getCurrentFrame() && d.getParent() == null
|
---|
529 | // && line.getOppositeEnd(d).getParent() == toPaint) {
|
---|
530 | // nl = line.copy();
|
---|
531 | // if (d == line.getStartItem())
|
---|
532 | // d = nl.getStartItem();
|
---|
533 | // else
|
---|
534 | // d = nl.getEndItem();
|
---|
535 | //
|
---|
536 | // if (DisplayIO.FrameOnSide(toPaint) == 0)
|
---|
537 | // d.setX(base);
|
---|
538 | // else
|
---|
539 | // d.setX(base + adj);
|
---|
540 | //
|
---|
541 | // } else if (toPaint == DisplayIO.getCurrentFrame()
|
---|
542 | // && d.getParent() == null
|
---|
543 | // && line.getOppositeEnd(d).getParent() != toPaint) {
|
---|
544 | // nl = line.copy();
|
---|
545 | //
|
---|
546 | // if (d == line.getStartItem())
|
---|
547 | // d = nl.getEndItem();
|
---|
548 | // else
|
---|
549 | // d = nl.getStartItem();
|
---|
550 | //
|
---|
551 | // if (DisplayIO.FrameOnSide(toPaint) == 1)
|
---|
552 | // d.setX(d.getX() - DisplayIO.getMiddle());
|
---|
553 | // else
|
---|
554 | // d.setX(d.getX() + DisplayIO.getMiddle());
|
---|
555 | // }
|
---|
556 | // if (nl != null) {
|
---|
557 | // nl.invalidateAll();
|
---|
558 | // FrameGraphics.requestRefresh(true);
|
---|
559 | // }
|
---|
560 | // return nl;
|
---|
561 | // }
|
---|
562 |
|
---|
563 | private static void Paint(Graphics g, Image left, Image right,
|
---|
564 | Color background) {
|
---|
565 |
|
---|
566 | // if TwinFrames mode is on, then clipping etc has to be set
|
---|
567 | if (DisplayIO.isTwinFramesOn()) {
|
---|
568 | // draw the two lines down the middle of the window
|
---|
569 | if (left != null)
|
---|
570 | left.getGraphics().drawLine(DisplayIO.getMiddle() - 2, 0,
|
---|
571 | DisplayIO.getMiddle() - 2, _MaxSize.height);
|
---|
572 |
|
---|
573 | if (right != null)
|
---|
574 | right.getGraphics().drawLine(0, 0, 0, _MaxSize.height);
|
---|
575 |
|
---|
576 | // set the clipping area
|
---|
577 | ((Graphics2D) g).setClip(0, 0, DisplayIO.getMiddle() - 1,
|
---|
578 | _MaxSize.height);
|
---|
579 | g.drawImage(left, 0, 0, Item.DEFAULT_BACKGROUND, null);
|
---|
580 | ((Graphics2D) g).setClip(null);
|
---|
581 | g.drawImage(right, DisplayIO.getMiddle() + 1, 0,
|
---|
582 | Item.DEFAULT_BACKGROUND, null);
|
---|
583 |
|
---|
584 | // otherwise, just draw whichever side is active
|
---|
585 | } else {
|
---|
586 | if (DisplayIO.getCurrentSide() == 0)
|
---|
587 | g.drawImage(left, 0, 0, Item.DEFAULT_BACKGROUND, null);
|
---|
588 | else
|
---|
589 | g.drawImage(right, 0, 0, Item.DEFAULT_BACKGROUND, null);
|
---|
590 | }
|
---|
591 |
|
---|
592 | }
|
---|
593 |
|
---|
594 | public static void Clear() {
|
---|
595 | Graphics g = _DisplayGraphics.create();
|
---|
596 | g.setColor(Color.WHITE);
|
---|
597 | g.fillRect(0, 0, _MaxSize.width, _MaxSize.height);
|
---|
598 | g.dispose();
|
---|
599 | }
|
---|
600 |
|
---|
601 | private static void PaintNonLinesNonPicture(Graphics2D g, List<Item> toPaint) {
|
---|
602 | for (Item i : toPaint)
|
---|
603 | if (!(i instanceof Line) && !(i instanceof XRayable))
|
---|
604 | PaintItem(g, i);
|
---|
605 | }
|
---|
606 |
|
---|
607 | /**
|
---|
608 | * Paint the lines that are not part of an enclosure.
|
---|
609 | *
|
---|
610 | * @param g
|
---|
611 | * @param toPaint
|
---|
612 | */
|
---|
613 | private static void PaintLines(Graphics2D g, List<Item> toPaint) {
|
---|
614 | // Use this set to keep track of the items that have been painted
|
---|
615 | Collection<Item> done = new HashSet<Item>();
|
---|
616 | for (Item i : toPaint)
|
---|
617 | if (i instanceof Line) {
|
---|
618 | Line l = (Line) i;
|
---|
619 | if (done.contains(l)) {
|
---|
620 | l.paintArrows(g);
|
---|
621 | } else {
|
---|
622 | // When painting a line all connected lines are painted too
|
---|
623 | done.addAll(l.getAllConnected());
|
---|
624 | if (l.getStartItem().getEnclosedArea() == 0)
|
---|
625 | PaintItem(g, i);
|
---|
626 | }
|
---|
627 | }
|
---|
628 | }
|
---|
629 |
|
---|
630 | /**
|
---|
631 | * Paint filled areas and their surrounding lines as well as pictures. Note:
|
---|
632 | * floating widgets are painted as fills
|
---|
633 | *
|
---|
634 | * @param g
|
---|
635 | * @param toPaint
|
---|
636 | */
|
---|
637 | private static void PaintPictures(Graphics2D g, List<Item> toPaint,
|
---|
638 | HashSet<Item> fillOnlyItems, HashSet<Item> done) {
|
---|
639 |
|
---|
640 | List<Item> toFill = new LinkedList<Item>();
|
---|
641 | for (Item i : toPaint) {
|
---|
642 | // Ignore items that have already been done!
|
---|
643 | // Also ignore invisible items..
|
---|
644 | // TODO possibly ignore invisible items before coming to this
|
---|
645 | // method?
|
---|
646 | if (done.contains(i))
|
---|
647 | continue;
|
---|
648 | if (i instanceof XRayable) {
|
---|
649 | toFill.add(i);
|
---|
650 | done.addAll(i.getConnected());
|
---|
651 | } else if (i.hasEnclosures()) {
|
---|
652 | for (Item enclosure : i.getEnclosures()) {
|
---|
653 | if (!toFill.contains(enclosure))
|
---|
654 | toFill.add(enclosure);
|
---|
655 | }
|
---|
656 | done.addAll(i.getConnected());
|
---|
657 | } else if (i.isLineEnd()
|
---|
658 | && (!isAudienceMode() || !i.isConnectedToAnnotation())) {
|
---|
659 | toFill.add(i);
|
---|
660 | done.addAll(i.getAllConnected());
|
---|
661 | }
|
---|
662 | }
|
---|
663 |
|
---|
664 | if (fillOnlyItems != null) {
|
---|
665 | for (Item i : fillOnlyItems) {
|
---|
666 | if (done.contains(i))
|
---|
667 | continue;
|
---|
668 | else if (!isAudienceMode() || !i.isConnectedToAnnotation()) {
|
---|
669 | toFill.add(i);
|
---|
670 | }
|
---|
671 | done.addAll(i.getAllConnected());
|
---|
672 | }
|
---|
673 | }
|
---|
674 |
|
---|
675 | // Sort the items to fill
|
---|
676 | Collections.sort(toFill, new Comparator<Item>() {
|
---|
677 | public int compare(Item a, Item b) {
|
---|
678 | Double aArea = a.getEnclosedArea();
|
---|
679 | Double bArea = b.getEnclosedArea();
|
---|
680 | int cmp = aArea.compareTo(bArea);
|
---|
681 | if (cmp == 0) {
|
---|
682 | // System.out.println(a.getEnclosureID() + " " +
|
---|
683 | // b.getID());\
|
---|
684 | // Shapes to the left go underneath
|
---|
685 | Polygon pA = a.getEnclosedShape();
|
---|
686 | Polygon pB = b.getEnclosedShape();
|
---|
687 | if (pA == null || pB == null)
|
---|
688 | return 0;
|
---|
689 | return new Integer(pA.getBounds().x).compareTo(pB
|
---|
690 | .getBounds().x);
|
---|
691 | }
|
---|
692 | return cmp * -1;
|
---|
693 | }
|
---|
694 | });
|
---|
695 | for (Item i : toFill) {
|
---|
696 | if (i instanceof XRayable) {
|
---|
697 | PaintItem(g, i);
|
---|
698 | } else {
|
---|
699 | // Paint the fill and lines
|
---|
700 | i.paintFill(g);
|
---|
701 | List<Line> lines = i.getLines();
|
---|
702 | if (lines.size() > 0)
|
---|
703 | PaintItem(g, lines.get(0));
|
---|
704 | }
|
---|
705 | }
|
---|
706 | }
|
---|
707 |
|
---|
708 | /**
|
---|
709 | * Highlights an item on the screen Note: All graphics are handled by the
|
---|
710 | * Item itself.
|
---|
711 | *
|
---|
712 | * @param i
|
---|
713 | * The Item to highlight.
|
---|
714 | * @param val
|
---|
715 | * True if the highlighting is being shown, false if it is being
|
---|
716 | * erased.
|
---|
717 | * @return the item that was highlighted
|
---|
718 | */
|
---|
719 | public static Item Highlight(Item i) {
|
---|
720 | if ((i instanceof Line)) {
|
---|
721 | // Check if within 20% of the end of the line
|
---|
722 | Line l = (Line) i;
|
---|
723 | Item toDisconnect = l.getEndPointToDisconnect(Math
|
---|
724 | .round(FrameMouseActions.MouseX), Math
|
---|
725 | .round(FrameMouseActions.MouseY));
|
---|
726 |
|
---|
727 | // Brook: Widget Edges do not have such a context
|
---|
728 | if (toDisconnect != null && !(i instanceof WidgetEdge)) {
|
---|
729 | Item.HighlightMode newMode = toDisconnect.getHighlightMode();
|
---|
730 | if (FreeItems.itemsAttachedToCursor())
|
---|
731 | newMode = Item.HighlightMode.Normal;
|
---|
732 | // unhighlight all the other dots
|
---|
733 | for (Item conn : toDisconnect.getAllConnected()) {
|
---|
734 | conn.setHighlightMode(Item.HighlightMode.None);
|
---|
735 | }
|
---|
736 | l.setHighlightMode(newMode);
|
---|
737 | // highlight the dot that will be in disconnect mode
|
---|
738 | toDisconnect.setHighlightMode(newMode);
|
---|
739 | i = toDisconnect;
|
---|
740 | } else {
|
---|
741 | Collection<Item> connected = i.getAllConnected();
|
---|
742 | for (Item conn : connected) {
|
---|
743 | conn.setHighlightMode(Item.HighlightMode.Connected);
|
---|
744 | }
|
---|
745 | }
|
---|
746 | } else if (i instanceof Circle) {
|
---|
747 | i.setHighlightMode(Item.HighlightMode.Connected);
|
---|
748 | } else if (!i.isVisible()) {
|
---|
749 | changeHighlightMode(i, Item.HighlightMode.Connected, null);
|
---|
750 | } else {
|
---|
751 | // FrameGraphics.ChangeSelectionMode(i,
|
---|
752 | // Item.SelectedMode.Normal);
|
---|
753 | // For polygons need to make sure all other endpoints are
|
---|
754 | // unHighlighted
|
---|
755 | if (i.hasPermission(Permission.full))
|
---|
756 | changeHighlightMode(i, Item.HighlightMode.Normal,
|
---|
757 | Item.HighlightMode.None);
|
---|
758 | else
|
---|
759 | changeHighlightMode(i, Item.HighlightMode.Connected,
|
---|
760 | Item.HighlightMode.Connected);
|
---|
761 | }
|
---|
762 | Repaint();
|
---|
763 | return i;
|
---|
764 | }
|
---|
765 |
|
---|
766 | public static void changeHighlightMode(Item item, Item.HighlightMode newMode) {
|
---|
767 | changeHighlightMode(item, newMode, newMode);
|
---|
768 | }
|
---|
769 |
|
---|
770 | public static void changeHighlightMode(Item item,
|
---|
771 | Item.HighlightMode newMode, Item.HighlightMode connectedNewMode) {
|
---|
772 | if (item == null)
|
---|
773 | return;
|
---|
774 |
|
---|
775 | if (item.hasVector()) {
|
---|
776 | for (Item i : item.getParentOrCurrentFrame().getVectorItems()) {
|
---|
777 | if (i.getEditTarget() == item) {
|
---|
778 | i.setHighlightMode(newMode);
|
---|
779 | }
|
---|
780 | }
|
---|
781 | item.setHighlightMode(newMode);
|
---|
782 | } else {
|
---|
783 | // Mike: TODO comment on why the line below is used!!
|
---|
784 | // I forgot already!!Opps
|
---|
785 | boolean freeItem = FreeItems.getInstance().contains(item);
|
---|
786 | for (Item i : item.getAllConnected()) {
|
---|
787 | if (/* freeItem || */!FreeItems.getInstance().contains(i)) {
|
---|
788 | i.setHighlightMode(connectedNewMode);
|
---|
789 | }
|
---|
790 | }
|
---|
791 | if (!freeItem && newMode != connectedNewMode)
|
---|
792 | item.setHighlightMode(newMode);
|
---|
793 | }
|
---|
794 | Repaint();
|
---|
795 | }
|
---|
796 |
|
---|
797 | /**
|
---|
798 | * Repaints the buffer of the given Frame.
|
---|
799 | *
|
---|
800 | * @param toUpdate
|
---|
801 | * The Frame whose buffer is to be repainted.
|
---|
802 | */
|
---|
803 |
|
---|
804 | public static void UpdateBuffer(Frame toUpdate, boolean paintOverlays,
|
---|
805 | boolean useVolitile) {
|
---|
806 | toUpdate.setBuffer(getBuffer(toUpdate, paintOverlays, useVolitile));
|
---|
807 | }
|
---|
808 |
|
---|
809 | public static Image getBuffer(Frame toUpdate, boolean paintOverlays,
|
---|
810 | boolean useVolitile) {
|
---|
811 | if (toUpdate == null)
|
---|
812 | return null;
|
---|
813 |
|
---|
814 | return Paint(toUpdate, null, paintOverlays, useVolitile);
|
---|
815 | }
|
---|
816 |
|
---|
817 | public static int getMode() {
|
---|
818 | return _Mode;
|
---|
819 | }
|
---|
820 |
|
---|
821 | public static Graphics createGraphics() {
|
---|
822 | // Error messages on start up will call this message before
|
---|
823 | // _DisplayGraphics has been initialised
|
---|
824 | if (_DisplayGraphics == null)
|
---|
825 | return null;
|
---|
826 | return _DisplayGraphics.create();
|
---|
827 | }
|
---|
828 |
|
---|
829 | // Damaged areas pending to render. Accessessed by multiple threads
|
---|
830 | private static HashSet<Rectangle> damagedAreas = new HashSet<Rectangle>();
|
---|
831 |
|
---|
832 | /** The clip used while paiting */
|
---|
833 | private static Area currentClip;
|
---|
834 |
|
---|
835 | /**
|
---|
836 | * The current clip that is used for painting at this instant.
|
---|
837 | *
|
---|
838 | * Intention: for extra clipping within an items paint method - the clip is
|
---|
839 | * lost in the graphics object for which can be regained via this method.
|
---|
840 | *
|
---|
841 | * @return The current clip. Null if no clip (e.g. full screen render).
|
---|
842 | */
|
---|
843 | public static Area getCurrentClip() {
|
---|
844 | return (currentClip != null) ? (Area) currentClip.clone() : null;
|
---|
845 | }
|
---|
846 |
|
---|
847 | /**
|
---|
848 | * Checks that the item is visible (on current frame && overlays) - if
|
---|
849 | * visible then damaged area will be re-rendered on the next refresh.
|
---|
850 | *
|
---|
851 | * @param damagedItem
|
---|
852 | * @param toRepaint
|
---|
853 | */
|
---|
854 | public static void invalidateItem(Item damagedItem, Rectangle toRepaint) {
|
---|
855 | // Only add area to repaint if item is visible...
|
---|
856 | if (ItemUtils.isVisible(damagedItem)) {
|
---|
857 | synchronized (damagedAreas) {
|
---|
858 | damagedAreas.add(toRepaint);
|
---|
859 | }
|
---|
860 | } else if (MessageBay.isMessageItem(damagedItem)) {
|
---|
861 | MessageBay.addDirtyArea(toRepaint);
|
---|
862 | }
|
---|
863 | }
|
---|
864 |
|
---|
865 | /**
|
---|
866 | * The given area will be re-rendered in the next refresh. This is the
|
---|
867 | * quicker version and is more useful for re-rendering animated areas.
|
---|
868 | *
|
---|
869 | * @param toRepaint
|
---|
870 | */
|
---|
871 | public static void invalidateArea(Rectangle toRepaint) {
|
---|
872 | synchronized (damagedAreas) {
|
---|
873 | damagedAreas.add(toRepaint);
|
---|
874 | }
|
---|
875 | }
|
---|
876 |
|
---|
877 | public static void clearInvalidAreas() {
|
---|
878 | synchronized (damagedAreas) {
|
---|
879 | damagedAreas.clear();
|
---|
880 | }
|
---|
881 | }
|
---|
882 |
|
---|
883 | /**
|
---|
884 | * Invalidates the buffered image of the current Frame and forces it to be
|
---|
885 | * repainted on to the screen. Repaints all items. This is more expensive
|
---|
886 | * than refresh.
|
---|
887 | */
|
---|
888 | public static void ForceRepaint() { // TODO: TEMP: Use refresh
|
---|
889 | Frame current = DisplayIO.getCurrentFrame();
|
---|
890 |
|
---|
891 | if (current == null)
|
---|
892 | return;
|
---|
893 | refresh(false);
|
---|
894 | }
|
---|
895 |
|
---|
896 | public static void Repaint() { // TODO: TEMP: Use refresh
|
---|
897 | refresh(true);
|
---|
898 | }
|
---|
899 |
|
---|
900 | /**
|
---|
901 | * Called to refresh the display screen. Thread safe.
|
---|
902 | */
|
---|
903 | public static void refresh(boolean useInvalidation) {
|
---|
904 |
|
---|
905 | if (_DisplayGraphics == null || _MaxSize.width <= 0
|
---|
906 | || _MaxSize.height <= 0)
|
---|
907 | return;
|
---|
908 |
|
---|
909 | currentClip = null;
|
---|
910 | if (useInvalidation) { // build clip
|
---|
911 |
|
---|
912 | synchronized (damagedAreas) {
|
---|
913 | if (!damagedAreas.isEmpty()) {
|
---|
914 |
|
---|
915 | for (Rectangle r : damagedAreas) {
|
---|
916 | if (currentClip == null)
|
---|
917 | currentClip = new Area(r);
|
---|
918 | else
|
---|
919 | currentClip.add(new Area(r));
|
---|
920 | }
|
---|
921 | damagedAreas.clear();
|
---|
922 |
|
---|
923 | } else if (MessageBay.isDirty()) {
|
---|
924 | // Paint dirty message bay
|
---|
925 | Graphics dg = _DisplayGraphics.create();
|
---|
926 | MessageBay.refresh(true, dg, Item.DEFAULT_BACKGROUND);
|
---|
927 | return;
|
---|
928 |
|
---|
929 | } else
|
---|
930 | return; // nothing to render
|
---|
931 | }
|
---|
932 |
|
---|
933 | } else {
|
---|
934 | synchronized (damagedAreas) {
|
---|
935 | damagedAreas.clear();
|
---|
936 | }
|
---|
937 | // System.out.println("FULLSCREEN REFRESH"); // TODO: REMOVE
|
---|
938 | }
|
---|
939 |
|
---|
940 | Frame[] toPaint = DisplayIO.getFrames();
|
---|
941 | Image left = Paint(toPaint[0], currentClip);
|
---|
942 | Image right = Paint(toPaint[1], currentClip);
|
---|
943 |
|
---|
944 | Graphics dg = _DisplayGraphics.create();
|
---|
945 |
|
---|
946 | // Paint frame to window
|
---|
947 | Paint(dg, left, right, Item.DEFAULT_BACKGROUND);
|
---|
948 |
|
---|
949 | // Paint any animations
|
---|
950 | PopupManager.getInstance().paintAnimations();
|
---|
951 |
|
---|
952 | // Paint message bay
|
---|
953 | MessageBay.refresh(useInvalidation, dg, Item.DEFAULT_BACKGROUND);
|
---|
954 |
|
---|
955 | dg.dispose();
|
---|
956 | }
|
---|
957 |
|
---|
958 | /**
|
---|
959 | * If wanting to refresh from another thread - other than the main thread
|
---|
960 | * that handles the expeditee datamodel (modifying / accessing / rendering).
|
---|
961 | * Use this method for thread safety.
|
---|
962 | */
|
---|
963 | public static synchronized void requestRefresh(boolean useInvalidation) {
|
---|
964 |
|
---|
965 | _requestMarsheller._useInvalidation = useInvalidation;
|
---|
966 |
|
---|
967 | if (_requestMarsheller._isQueued) {
|
---|
968 | return;
|
---|
969 | }
|
---|
970 |
|
---|
971 | _requestMarsheller._isQueued = true;
|
---|
972 | EventQueue.invokeLater(_requestMarsheller); // Render on AWT thread
|
---|
973 | }
|
---|
974 |
|
---|
975 | private static RenderRequestMarsheller _requestMarsheller = new FrameGraphics().new RenderRequestMarsheller();
|
---|
976 |
|
---|
977 | /**
|
---|
978 | * Used for marshelling render requests from foreign threads to the event
|
---|
979 | * dispatcher thread... (AWT)
|
---|
980 | *
|
---|
981 | * @author Brook Novak
|
---|
982 | */
|
---|
983 | private class RenderRequestMarsheller implements Runnable {
|
---|
984 |
|
---|
985 | boolean _useInvalidation = true;
|
---|
986 |
|
---|
987 | boolean _isQueued = false;
|
---|
988 |
|
---|
989 | public void run() {
|
---|
990 | refresh(_useInvalidation);
|
---|
991 | _isQueued = false;
|
---|
992 | _useInvalidation = true;
|
---|
993 | }
|
---|
994 |
|
---|
995 | }
|
---|
996 |
|
---|
997 | /**
|
---|
998 | * Adds a FinalFrameRenderPass to the frame-render pipeline...
|
---|
999 | *
|
---|
1000 | * Note that the last added FinalFrameRenderPass will be rendered at the
|
---|
1001 | * very top.
|
---|
1002 | *
|
---|
1003 | * @param pass
|
---|
1004 | * The pass to add. If already added then nothing results in the
|
---|
1005 | * call.
|
---|
1006 | *
|
---|
1007 | * @throws NullPointerException
|
---|
1008 | * If pass is null.
|
---|
1009 | */
|
---|
1010 | public static void addFrameRenderPass(FrameRenderPass pass) {
|
---|
1011 | if (pass == null)
|
---|
1012 | throw new NullPointerException("pass");
|
---|
1013 |
|
---|
1014 | if (!_frameRenderPasses.contains(pass))
|
---|
1015 | _frameRenderPasses.add(pass);
|
---|
1016 | }
|
---|
1017 |
|
---|
1018 | /**
|
---|
1019 | * Adds a FinalFrameRenderPass to the frame-render pipeline...
|
---|
1020 | *
|
---|
1021 | * Note that the last added FinalFrameRenderPass will be rendered at the
|
---|
1022 | * very top.
|
---|
1023 | *
|
---|
1024 | * @param pass
|
---|
1025 | * The pass to remove
|
---|
1026 | *
|
---|
1027 | */
|
---|
1028 | public static void removeFrameRenderPass(FrameRenderPass pass) {
|
---|
1029 | _frameRenderPasses.remove(pass);
|
---|
1030 | }
|
---|
1031 |
|
---|
1032 | /**
|
---|
1033 | * A FinalFrameRenderPass is invoked at the very final stages for rendering
|
---|
1034 | * a frame: that is, after the popups are drawn.
|
---|
1035 | *
|
---|
1036 | * There can be many applications for FinalFrameRenderPass. Such as tool
|
---|
1037 | * tips, balloons, or drawing items at the highest Z-order in special
|
---|
1038 | * situations.
|
---|
1039 | *
|
---|
1040 | * Although if there are multiples FinalFrameRenderPasses attatach to the
|
---|
1041 | * frame painter then it is not garaunteed to be rendered very last.
|
---|
1042 | *
|
---|
1043 | * @see FrameGraphics#addFinalFrameRenderPass(org.expeditee.gui.FrameGraphics.FrameRenderPass)
|
---|
1044 | * @see FrameGraphics#removeFinalFrameRenderPass(org.expeditee.gui.FrameGraphics.FrameRenderPass)
|
---|
1045 | *
|
---|
1046 | * @author Brook Novak
|
---|
1047 | */
|
---|
1048 | public interface FrameRenderPass {
|
---|
1049 |
|
---|
1050 | /**
|
---|
1051 | *
|
---|
1052 | * @param currentClip
|
---|
1053 | *
|
---|
1054 | * @return The clip that the pass should use instead. i.e. if there are
|
---|
1055 | * any effects that cannot invladate prior to paint call.
|
---|
1056 | */
|
---|
1057 | Area paintStarted(Area currentClip);
|
---|
1058 |
|
---|
1059 | void paintFinalPass(Graphics g);
|
---|
1060 |
|
---|
1061 | void paintPreLayeredPanePass(Graphics g);
|
---|
1062 | }
|
---|
1063 |
|
---|
1064 | }
|
---|