1 | /**
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2 | * FrameGraphics.java
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3 | * Copyright (C) 2010 New Zealand Digital Library, http://expeditee.org
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4 | *
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5 | * This program is free software: you can redistribute it and/or modify
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6 | * it under the terms of the GNU General Public License as published by
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7 | * the Free Software Foundation, either version 3 of the License, or
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8 | * (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 | */
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18 |
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19 | package org.expeditee.gui;
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20 |
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21 | import java.awt.Color;
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22 | import java.awt.Dimension;
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23 | import java.awt.EventQueue;
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24 | import java.awt.Graphics;
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25 | import java.awt.Graphics2D;
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26 | import java.awt.GraphicsEnvironment;
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27 | import java.awt.Image;
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28 | import java.awt.Polygon;
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29 | import java.awt.Rectangle;
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30 | import java.awt.RenderingHints;
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31 | import java.awt.geom.Area;
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32 | import java.lang.reflect.Method;
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33 | import java.awt.image.BufferedImage;
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34 | import java.util.Collection;
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35 | import java.util.Collections;
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36 | import java.util.Comparator;
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37 | import java.util.HashSet;
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38 | import java.util.LinkedList;
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39 | import java.util.List;
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40 | import java.util.ListIterator;
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41 |
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42 | import org.expeditee.items.Circle;
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43 | import org.expeditee.items.Dot;
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44 | import org.expeditee.items.Item;
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45 | import org.expeditee.items.ItemUtils;
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46 | import org.expeditee.items.Line;
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47 | import org.expeditee.items.UserAppliedPermission;
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48 | import org.expeditee.items.XRayable;
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49 | import org.expeditee.items.Item.HighlightMode;
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50 | import org.expeditee.items.widgets.InteractiveWidget;
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51 | import org.expeditee.items.widgets.WidgetEdge;
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52 | import org.expeditee.settings.UserSettings;
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53 |
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54 | public class FrameGraphics {
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55 |
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56 | // the graphics used to paint with
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57 | private static Graphics2D _DisplayGraphics;
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58 |
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59 | // the maximum size that can be used to paint on
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60 | private static Dimension _MaxSize = null;
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61 |
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62 | // Final passes to rendering the current frame
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63 | private static LinkedList<FrameRenderPass> _frameRenderPasses = new LinkedList<FrameRenderPass>();
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64 |
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65 | // modes
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66 | public static final int MODE_NORMAL = 0;
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67 |
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68 | public static final int MODE_AUDIENCE = 1;
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69 |
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70 | public static final int MODE_XRAY = 2;
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71 |
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72 | // Start in XRay mode so that errors aren't thrown when parsing the profile
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73 | // frame if it has images on it
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74 | private static int _Mode = MODE_XRAY;
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75 |
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76 | private FrameGraphics() {
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77 | // util constructor
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78 | }
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79 |
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80 | /**
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81 | * If Audience Mode is on this method will toggle it to be off, or
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82 | * vice-versa. This results in the Frame being re-parsed and repainted.
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83 | */
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84 | public static void ToggleAudienceMode() {
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85 | Frame current = DisplayIO.getCurrentFrame();
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86 | if (_Mode == MODE_XRAY) {
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87 | ToggleXRayMode();
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88 | }
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89 |
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90 | if (_Mode == MODE_AUDIENCE) {
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91 | _Mode = MODE_NORMAL;
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92 | } else {
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93 | _Mode = MODE_AUDIENCE;
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94 | ItemUtils.UpdateConnectedToAnnotations(current.getItems());
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95 | for (Overlay o : current.getOverlays()) {
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96 | ItemUtils.UpdateConnectedToAnnotations(o.Frame.getItems());
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97 | }
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98 | for (Vector v : current.getVectorsDeep()) {
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99 | ItemUtils.UpdateConnectedToAnnotations(v.Frame.getItems());
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100 | }
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101 | }
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102 | FrameUtils.Parse(current);
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103 | DisplayIO.UpdateTitle();
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104 | setMaxSize(new Dimension(_MaxSize.width, MessageBay
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105 | .getMessageBufferHeight()
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106 | + _MaxSize.height));
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107 | refresh(false);
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108 | }
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109 |
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110 | /**
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111 | * If X-Ray Mode is on this method will toggle it to be off, or vice-versa.
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112 | * This results in the Frame being re-parsed and repainted.
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113 | */
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114 | public static void ToggleXRayMode() {
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115 | if (_Mode == MODE_AUDIENCE) {
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116 | ToggleAudienceMode();
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117 | }
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118 |
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119 | if (_Mode == MODE_XRAY) {
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120 | setMode(MODE_NORMAL, true);
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121 | } else {
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122 | setMode(MODE_XRAY, true);
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123 | }
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124 | DisplayIO.getCurrentFrame().refreshSize();
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125 | DisplayIO.UpdateTitle();
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126 | FrameMouseActions.getInstance().refreshHighlights();
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127 | FrameMouseActions.updateCursor();
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128 | refresh(false);
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129 | }
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130 |
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131 | public static void setMode(int mode, boolean parse) {
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132 | if (_Mode == mode)
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133 | return;
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134 | _Mode = mode;
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135 | if (parse) {
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136 | Frame current = DisplayIO.getCurrentFrame();
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137 | current.parse();
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138 | }
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139 | }
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140 |
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141 | /**
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142 | * @return True if Audience Mode is currently on, False otherwise.
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143 | */
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144 | public static boolean isAudienceMode() {
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145 | return _Mode == MODE_AUDIENCE;
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146 | }
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147 |
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148 | /**
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149 | * @return True if X-Ray Mode is currently on, False otherwise.
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150 | */
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151 | public static boolean isXRayMode() {
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152 | return _Mode == MODE_XRAY;
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153 | }
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154 |
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155 | public static void setMaxSize(Dimension max) {
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156 | if (_MaxSize == null)
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157 | _MaxSize = max;
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158 |
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159 | // Hide the message buffer if in audience mode
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160 | int newMaxHeight = max.height
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161 | - (isAudienceMode() ? 0 : MessageBay.MESSAGE_BUFFER_HEIGHT);
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162 | if (newMaxHeight > 0) {
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163 | _MaxSize.setSize(max.width, newMaxHeight);
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164 | }
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165 | Frame current = DisplayIO.getCurrentFrame();
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166 | if (current != null) {
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167 | current.setBuffer(null);
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168 | current.refreshSize();
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169 | if (DisplayIO.isTwinFramesOn()) {
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170 | Frame opposite = DisplayIO.getOppositeFrame();
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171 |
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172 | /* When running the test suite opposite may be null! */
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173 | if (opposite != null) {
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174 | opposite.setBuffer(null);
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175 | opposite.refreshSize();
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176 | }
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177 | }
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178 | }
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179 |
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180 | if (newMaxHeight > 0) {
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181 | MessageBay.updateSize();
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182 | }
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183 | }
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184 |
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185 | public static Dimension getMaxSize() {
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186 | return _MaxSize;
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187 | }
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188 |
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189 | public static Dimension getMaxFrameSize() {
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190 | if (DisplayIO.isTwinFramesOn()) {
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191 | return new Dimension((_MaxSize.width / 2), _MaxSize.height);
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192 | } else
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193 | return _MaxSize;
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194 | }
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195 |
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196 | /**
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197 | * Sets the Graphics2D object that should be used for all painting tasks.
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198 | * Note: Actual painting is done by using g.create() to create temporary
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199 | * instances that are then disposed of using g.dispose().
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200 | *
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201 | * @param g
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202 | * The Graphics2D object to use for all painting
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203 | */
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204 | public static void setDisplayGraphics(Graphics2D g) {
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205 | _DisplayGraphics = g;
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206 | }
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207 |
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208 | /*
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209 | * Displays the given Item on the screen
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210 | */
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211 | static void PaintItem(Graphics2D g, Item i) {
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212 | if (i == null || g == null)
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213 | return;
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214 |
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215 | // do not paint annotation items in audience mode
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216 | if (!isAudienceMode()
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217 | || (isAudienceMode() && !i.isConnectedToAnnotation() && !i
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218 | .isAnnotation()) || i == FrameUtils.getLastEdited()) {
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219 |
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220 | Graphics2D tg = (Graphics2D) g.create();
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221 | i.paint(tg);
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222 | tg.dispose();
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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 | * Adds all the scaled vector items for a frame into a list. It uses
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228 | * recursion to get the items from nested vector frames.
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229 | *
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230 | * @param items
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231 | * the list into which the vector items will be placed.
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232 | * @param vector
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233 | * the frame containing vecor items.
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234 | * @param seenVectors
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235 | * the vectors which should be ignored to prevent infinate loops.
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236 | * @param origin
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237 | * start point for this frame or null if it is a top level frame.
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238 | * @param scale
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239 | * the factor by which the item on the vector frame are to be
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240 | * scaled.
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241 | */
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242 | // public static void AddAllVectorItems(List<Item> items, Vector vector,
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243 | // Collection<Frame> seenVectors) {
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244 | // // Check all the vector items and add the items on the vectors
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245 | // if (seenVectors.contains(vector))
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246 | // return;
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247 | // seenVectors.add(vector);
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248 | //
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249 | // float originX = origin == null ? 0 : origin.x;
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250 | // float originY = origin == null ? 0 : origin.y;
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251 | //
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252 | // for (Vector o : vector.getVectors())
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253 | // AddAllVectorItems(items, o.Frame, new HashSet<Frame>(seenVectors),
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254 | // new Point2D.Float(originX + o.Origin.x * scale, originY
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255 | // + o.Origin.y * scale), o.Scale * scale,
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256 | // o.Foreground, o.Background);
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257 | // // if its the original frame then were done
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258 | // if (origin == null) {
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259 | // ItemUtils.EnclosedCheck(items);
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260 | // return;
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261 | // }
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262 | // // Put copies of the items shifted to the origin of the VectorTag
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263 | // items.addAll(ItemUtils
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264 | // .CopyItems(vector.getNonAnnotationItems(), vector));
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265 | //
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266 | // }
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267 | /**
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268 | * Recursive function similar to AddAllOverlayItems.
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269 | *
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270 | * @param widgets
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271 | * The collection the widgets will be added to
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272 | * @param overlay
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273 | * An "overlay" frame - this intially will be the parent frame
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274 | * @param seenOverlays
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275 | * Used for state in the recursion stack. Pass as an empty
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276 | * (non-null) list.
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277 | */
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278 | public static void AddAllOverlayWidgets(List<InteractiveWidget> widgets,
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279 | Frame overlay, List<Frame> seenOverlays) {
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280 | if (seenOverlays.contains(overlay))
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281 | return;
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282 |
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283 | seenOverlays.add(overlay);
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284 |
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285 | for (Overlay o : overlay.getOverlays())
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286 | AddAllOverlayWidgets(widgets, o.Frame, seenOverlays);
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287 |
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288 | widgets.addAll(overlay.getInteractiveWidgets());
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289 | }
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290 |
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291 | private static Image Paint(Frame toPaint, Area clip) {
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292 | return Paint(toPaint, clip, true, true);
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293 | }
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294 |
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295 | /**
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296 | *
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297 | * @param toPaint
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298 | * @param clip
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299 | * If null, then no clip applied.
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300 | * @param isActualFrame
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301 | * @return
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302 | */
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303 | private static Image Paint(Frame toPaint, Area clip, boolean isActualFrame,
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304 | boolean createVolitile) {
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305 | if (toPaint == null)
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306 | return null;
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307 |
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308 | // the buffer is not valid, so it must be recreated
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309 | if (!toPaint.isBufferValid()) {
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310 | Image buffer = toPaint.getBuffer();
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311 | if (buffer == null) {
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312 | GraphicsEnvironment ge = GraphicsEnvironment
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313 | .getLocalGraphicsEnvironment();
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314 | if (createVolitile) {
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315 | buffer = ge.getDefaultScreenDevice()
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316 | .getDefaultConfiguration()
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317 | .createCompatibleVolatileImage(_MaxSize.width,
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318 | _MaxSize.height);
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319 | } else {
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320 | buffer = new BufferedImage(_MaxSize.width, _MaxSize.height,
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321 | BufferedImage.TYPE_INT_ARGB);
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322 | }
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323 | toPaint.setBuffer(buffer);
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324 | }
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325 |
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326 | Graphics2D bg = (Graphics2D) buffer.getGraphics();
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327 | paintFrame(toPaint, clip, isActualFrame, createVolitile, bg);
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328 |
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329 | bg.dispose();
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330 | }
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331 |
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332 | return toPaint.getBuffer();
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333 | }
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334 |
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335 | /**
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336 | * @param toPaint
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337 | * @param clip
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338 | * @param isActualFrame
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339 | * @param createVolitile
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340 | * @param bg
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341 | */
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342 | public static void paintFrame(Frame toPaint, Area clip,
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343 | boolean isActualFrame, boolean createVolitile, Graphics2D bg) {
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344 |
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345 | // Prepare render passes
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346 | if (isActualFrame) {
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347 | currentClip = clip;
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348 | for (FrameRenderPass pass : _frameRenderPasses) {
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349 | currentClip = pass.paintStarted(currentClip);
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350 | clip = currentClip;
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351 | }
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352 | }
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353 |
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354 | bg.setClip(clip);
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355 |
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356 | // TODO: Revise images and clip - VERY IMPORTANT
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357 |
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358 | // Nicer looking lines, but may be too jerky while
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359 | // rubber-banding on older machines
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360 | if (UserSettings.AntiAlias.get())
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361 | bg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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362 | RenderingHints.VALUE_ANTIALIAS_ON);
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363 | // If we are doing @f etc... then have a clear background if its the
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364 | // default background color
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365 | Color backgroundColor = null;
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366 | // Need to allow transparency for frameImages
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367 | if (createVolitile) {
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368 | backgroundColor = toPaint.getPaintBackgroundColor();
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369 | } else {
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370 | backgroundColor = toPaint.getBackgroundColor();
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371 | if (backgroundColor == null)
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372 | backgroundColor = Item.TRANSPARENT;
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373 | }
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374 |
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375 | // if(isActual)
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376 | bg.setColor(backgroundColor);
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377 | if (isActualFrame) {
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378 | // bg.setColor(Color.white); // TODO: TEMP FOR DEBUGGING
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379 |
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380 | // System.out.println("paintPic");
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381 | }
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382 | bg.fillRect(0, 0, _MaxSize.width, _MaxSize.height);
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383 |
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384 | List<Item> visibleItems = new LinkedList<Item>();
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385 | List<InteractiveWidget> paintWidgets;
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386 |
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387 | if (isActualFrame) {
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388 | // Add all the items for this frame and any other from other
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389 | // frames
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390 | visibleItems.addAll(toPaint.getAllItems());
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391 | paintWidgets = new LinkedList<InteractiveWidget>();
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392 | AddAllOverlayWidgets(paintWidgets, toPaint, new LinkedList<Frame>());
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393 | } else {
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394 | visibleItems.addAll(toPaint.getVisibleItems());
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395 | visibleItems.addAll(toPaint.getVectorItems());
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396 | paintWidgets = toPaint.getInteractiveWidgets();
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397 | }
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398 |
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399 | HashSet<Item> paintedFillsAndLines = new HashSet<Item>();
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400 | // FIRST: Paint widgets swing gui (not expeditee gui) .
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401 | // Note that these are the anchored widgets
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402 | ListIterator<InteractiveWidget> widgetItor = paintWidgets
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403 | .listIterator(paintWidgets.size());
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404 | while (widgetItor.hasPrevious()) {
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405 | // Paint first-in-last-serve ordering - like swing
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406 | // If it is done the other way around then widgets are covered up by
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407 | // the box that is supposed to be underneath
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408 | InteractiveWidget iw = widgetItor.previous();
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409 | if (clip == null || clip.intersects(iw.getComponant().getBounds())) {
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410 | iw.paint(bg);
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411 | PaintItem(bg, iw.getItems().get(4));
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412 | paintedFillsAndLines.addAll(iw.getItems());
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413 | }
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414 | }
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415 |
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416 | // Filter out items that do not need to be painted
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417 | List<Item> paintItems;
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418 | HashSet<Item> fillOnlyItems = null; // only contains items that do
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419 | // not need drawing but fills
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420 | // might
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421 |
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422 | if (clip == null) {
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423 | paintItems = visibleItems;
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424 | } else {
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425 | fillOnlyItems = new HashSet<Item>();
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426 | paintItems = new LinkedList<Item>();
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427 | for (Item i : visibleItems) {
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428 | if (i.isInDrawingArea(clip)) {
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429 | paintItems.add(i);
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430 | } else if (i.isEnclosed()) {
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431 | // just add all fill items despite possibility of fills
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432 | // not being in clip
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433 | // because it will be faster than having to test twice
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434 | // for fills that do need
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435 | // repainting.
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436 | fillOnlyItems.add(i);
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437 | }
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438 | }
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439 | }
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440 | // Only paint files and lines once ... between anchored AND free
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441 | // items
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442 | PaintPictures(bg, paintItems, fillOnlyItems, paintedFillsAndLines);
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443 | PaintLines(bg, visibleItems);
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444 |
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445 | // Filter out free items that do not need to be painted
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446 | // This is efficient in cases with animation while free items exist
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447 |
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448 | List<Item> freeItemsToPaint = new LinkedList<Item>();
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449 | // Dont paint the free items for the other frame in twin frames mode
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450 | // if (toPaint == DisplayIO.getCurrentFrame()) {
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451 | if (clip == null) {
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452 | freeItemsToPaint = FreeItems.getInstance();
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453 | } else {
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454 | freeItemsToPaint = new LinkedList<Item>();
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455 | fillOnlyItems.clear();
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456 | for (Item i : FreeItems.getInstance()) {
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457 | if (i.isInDrawingArea(clip)) {
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458 | freeItemsToPaint.add(i);
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459 | } else if (i.isEnclosed()) {
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460 | fillOnlyItems.add(i);
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461 | }
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462 | }
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463 | }
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464 | // }
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465 |
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466 | if (isActualFrame && toPaint == DisplayIO.getCurrentFrame())
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467 | PaintPictures(bg, freeItemsToPaint, fillOnlyItems,
|
---|
468 | paintedFillsAndLines);
|
---|
469 | // TODO if we can get transparency with FreeItems.getInstance()...
|
---|
470 | // then text can be done before freeItems
|
---|
471 | PaintNonLinesNonPicture(bg, paintItems);
|
---|
472 |
|
---|
473 | // toPaint.setBufferValid(true);
|
---|
474 |
|
---|
475 | if (isActualFrame && !isAudienceMode()) {
|
---|
476 | PaintItem(bg, toPaint.getNameItem());
|
---|
477 | }
|
---|
478 |
|
---|
479 | if (DisplayIO.isTwinFramesOn()) {
|
---|
480 | List<Item> lines = new LinkedList<Item>();
|
---|
481 | for (Item i : freeItemsToPaint) {
|
---|
482 | if (i instanceof Line) {
|
---|
483 | Line line = (Line) i;
|
---|
484 |
|
---|
485 | if (toPaint == DisplayIO.getCurrentFrame()) {
|
---|
486 | // If exactly one end of the line is floating...
|
---|
487 |
|
---|
488 | if (line.getEndItem().isFloating()
|
---|
489 | ^ line.getStartItem().isFloating()) {
|
---|
490 | // Line l = TransposeLine(line,
|
---|
491 | // line.getEndItem(),
|
---|
492 | // toPaint, 0, 0);
|
---|
493 | // if (l == null)
|
---|
494 | // l = TransposeLine(line,
|
---|
495 | // line.getStartItem(), toPaint, 0, 0);
|
---|
496 | // if (l == null)
|
---|
497 | // l = line;
|
---|
498 | // lines.add(l);
|
---|
499 | } else {
|
---|
500 | // lines.add(line);
|
---|
501 | }
|
---|
502 | } else {
|
---|
503 | // if (line.getEndItem().isFloating()
|
---|
504 | // ^ line.getStartItem().isFloating()) {
|
---|
505 | // lines.add(TransposeLine(line,
|
---|
506 | // line.getEndItem(), toPaint,
|
---|
507 | // FrameMouseActions.getY(), -DisplayIO
|
---|
508 | // .getMiddle()));
|
---|
509 | // lines.add(TransposeLine(line, line
|
---|
510 | // .getStartItem(), toPaint,
|
---|
511 | // FrameMouseActions.getY(), -DisplayIO
|
---|
512 | // .getMiddle()));
|
---|
513 | // }
|
---|
514 | }
|
---|
515 | }
|
---|
516 | }
|
---|
517 | if (isActualFrame)
|
---|
518 | PaintLines(bg, lines);
|
---|
519 | } else {
|
---|
520 | // Dont paint the
|
---|
521 | if (isActualFrame)
|
---|
522 | PaintLines(bg, freeItemsToPaint);
|
---|
523 | }
|
---|
524 |
|
---|
525 | if (isActualFrame && toPaint == DisplayIO.getCurrentFrame())
|
---|
526 | PaintNonLinesNonPicture(bg, freeItemsToPaint);
|
---|
527 |
|
---|
528 | // Repaint popups / drags... As well as final passes
|
---|
529 | if (isActualFrame) {
|
---|
530 | for (FrameRenderPass pass : _frameRenderPasses) {
|
---|
531 | pass.paintPreLayeredPanePass(bg);
|
---|
532 | }
|
---|
533 | PopupManager.getInstance().paintLayeredPane(bg, clip);
|
---|
534 | for (FrameRenderPass pass : _frameRenderPasses) {
|
---|
535 | pass.paintFinalPass(bg);
|
---|
536 | }
|
---|
537 | }
|
---|
538 |
|
---|
539 | // paint tooltip
|
---|
540 | if(!FreeItems.itemsAttachedToCursor()) {
|
---|
541 | Item current = FrameUtils.getCurrentItem();
|
---|
542 | if(current != null) {
|
---|
543 | current.paintTooltip(bg);
|
---|
544 | } //else {
|
---|
545 | // Item.clearTooltipOwner();
|
---|
546 | // }
|
---|
547 | if(previous != null) previous.clearTooltips();
|
---|
548 | previous = current;
|
---|
549 | }
|
---|
550 |
|
---|
551 | if (FreeItems.hasCursor()
|
---|
552 | && DisplayIO.getCursor() == Item.DEFAULT_CURSOR)
|
---|
553 | PaintNonLinesNonPicture(bg, FreeItems.getCursor());
|
---|
554 | }
|
---|
555 |
|
---|
556 | private static Item previous = null;
|
---|
557 |
|
---|
558 | // creates a new line so that lines are shown correctly when spanning
|
---|
559 | // across frames in TwinFrames mode
|
---|
560 | // private static Line TransposeLine(Line line, Item d, Frame toPaint,
|
---|
561 | // int base, int adj) {
|
---|
562 | // Line nl = null;
|
---|
563 | //
|
---|
564 | // if (toPaint != DisplayIO.getCurrentFrame() && d.getParent() == null
|
---|
565 | // && line.getOppositeEnd(d).getParent() == toPaint) {
|
---|
566 | // nl = line.copy();
|
---|
567 | // if (d == line.getStartItem())
|
---|
568 | // d = nl.getStartItem();
|
---|
569 | // else
|
---|
570 | // d = nl.getEndItem();
|
---|
571 | //
|
---|
572 | // if (DisplayIO.FrameOnSide(toPaint) == 0)
|
---|
573 | // d.setX(base);
|
---|
574 | // else
|
---|
575 | // d.setX(base + adj);
|
---|
576 | //
|
---|
577 | // } else if (toPaint == DisplayIO.getCurrentFrame()
|
---|
578 | // && d.getParent() == null
|
---|
579 | // && line.getOppositeEnd(d).getParent() != toPaint) {
|
---|
580 | // nl = line.copy();
|
---|
581 | //
|
---|
582 | // if (d == line.getStartItem())
|
---|
583 | // d = nl.getEndItem();
|
---|
584 | // else
|
---|
585 | // d = nl.getStartItem();
|
---|
586 | //
|
---|
587 | // if (DisplayIO.FrameOnSide(toPaint) == 1)
|
---|
588 | // d.setX(d.getX() - DisplayIO.getMiddle());
|
---|
589 | // else
|
---|
590 | // d.setX(d.getX() + DisplayIO.getMiddle());
|
---|
591 | // }
|
---|
592 | // if (nl != null) {
|
---|
593 | // nl.invalidateAll();
|
---|
594 | // FrameGraphics.requestRefresh(true);
|
---|
595 | // }
|
---|
596 | // return nl;
|
---|
597 | // }
|
---|
598 |
|
---|
599 | private static void Paint(Graphics g, Image left, Image right,
|
---|
600 | Color background) {
|
---|
601 |
|
---|
602 | // Triggers a FrameTransition is this has been signalled
|
---|
603 | // through an '@frameTransition: xxxx' on the frame. The type of
|
---|
604 | // transition is specified in the 'xxxx' part
|
---|
605 |
|
---|
606 |
|
---|
607 | // if TwinFrames mode is on, then clipping etc has to be set
|
---|
608 | if (DisplayIO.isTwinFramesOn()) {
|
---|
609 | // draw the two lines down the middle of the window
|
---|
610 | if (left != null)
|
---|
611 | left.getGraphics().drawLine(DisplayIO.getMiddle() - 2, 0,
|
---|
612 | DisplayIO.getMiddle() - 2, _MaxSize.height);
|
---|
613 |
|
---|
614 | if (right != null)
|
---|
615 | right.getGraphics().drawLine(0, 0, 0, _MaxSize.height);
|
---|
616 |
|
---|
617 | // set the clipping area
|
---|
618 | ((Graphics2D) g).setClip(0, 0, DisplayIO.getMiddle() - 1,
|
---|
619 | _MaxSize.height);
|
---|
620 | g.drawImage(left, 0, 0, Item.DEFAULT_BACKGROUND, null);
|
---|
621 | ((Graphics2D) g).setClip(null);
|
---|
622 | g.drawImage(right, DisplayIO.getMiddle() + 1, 0,
|
---|
623 | Item.DEFAULT_BACKGROUND, null);
|
---|
624 |
|
---|
625 |
|
---|
626 | }
|
---|
627 | // otherwise, just draw whichever side is active
|
---|
628 | else {
|
---|
629 | if (DisplayIO.getCurrentSide() == 0) {
|
---|
630 | g.drawImage(left, 0, 0, Item.DEFAULT_BACKGROUND, null);
|
---|
631 | paintTransition(g,left);
|
---|
632 | }
|
---|
633 | else {
|
---|
634 | g.drawImage(right, 0, 0, Item.DEFAULT_BACKGROUND, null);
|
---|
635 | paintTransition(g,right);
|
---|
636 | }
|
---|
637 | }
|
---|
638 |
|
---|
639 | }
|
---|
640 |
|
---|
641 |
|
---|
642 | private static void paintTransition(Graphics g, Image image)
|
---|
643 | {
|
---|
644 |
|
---|
645 | //If we are doing a transition
|
---|
646 | if(FrameTransitions.getSlide() == true){
|
---|
647 |
|
---|
648 | String input = "org.expeditee.gui.FrameTransitions";
|
---|
649 | String slide_mode_method = FrameTransitions.getslideModeMethod();
|
---|
650 |
|
---|
651 | try {
|
---|
652 | Class<?> c = Class.forName(input);
|
---|
653 |
|
---|
654 | Class[] cArg = new Class[3];
|
---|
655 | cArg[0] = Graphics.class;
|
---|
656 | cArg[1] = Image.class;
|
---|
657 | cArg[2] = Dimension.class;
|
---|
658 |
|
---|
659 | //Gets the method of transition and calls it
|
---|
660 | Method lMethod = c.getDeclaredMethod(slide_mode_method, cArg);
|
---|
661 |
|
---|
662 | if(lMethod != null){
|
---|
663 | // calling static method, so no class parameter needed
|
---|
664 | Object o = lMethod.invoke(null, g, image, _MaxSize);
|
---|
665 | }
|
---|
666 | else{
|
---|
667 | System.err.println("Unable to locate the transition '" + slide_mode_method + "'");
|
---|
668 | }
|
---|
669 |
|
---|
670 | } catch (Exception e) {
|
---|
671 |
|
---|
672 | System.err.println("An Reflection Exception occurred trying to invoke '" + slide_mode_method + "'");
|
---|
673 | e.printStackTrace();
|
---|
674 | }
|
---|
675 | }
|
---|
676 | //Tells the frame to only transition once
|
---|
677 | FrameTransitions.setSlideFalse();
|
---|
678 | }
|
---|
679 |
|
---|
680 |
|
---|
681 | public static void Clear() {
|
---|
682 | Graphics g = _DisplayGraphics.create();
|
---|
683 | g.setColor(Color.WHITE);
|
---|
684 | g.fillRect(0, 0, _MaxSize.width, _MaxSize.height);
|
---|
685 | g.dispose();
|
---|
686 | }
|
---|
687 |
|
---|
688 | private static void PaintNonLinesNonPicture(Graphics2D g, List<Item> toPaint) {
|
---|
689 | for (Item i : toPaint)
|
---|
690 | if (!(i instanceof Line) && !(i instanceof XRayable))
|
---|
691 | PaintItem(g, i);
|
---|
692 | }
|
---|
693 |
|
---|
694 | /**
|
---|
695 | * Paint the lines that are not part of an enclosure.
|
---|
696 | *
|
---|
697 | * @param g
|
---|
698 | * @param toPaint
|
---|
699 | */
|
---|
700 | private static void PaintLines(Graphics2D g, List<Item> toPaint) {
|
---|
701 | // Use this set to keep track of the items that have been painted
|
---|
702 | Collection<Item> done = new HashSet<Item>();
|
---|
703 | for (Item i : toPaint)
|
---|
704 | if (i instanceof Line) {
|
---|
705 | Line l = (Line) i;
|
---|
706 | if (done.contains(l)) {
|
---|
707 | l.paintArrows(g);
|
---|
708 | } else {
|
---|
709 | // When painting a line all connected lines are painted too
|
---|
710 | done.addAll(l.getAllConnected());
|
---|
711 | if (l.getStartItem().getEnclosedArea() == 0)
|
---|
712 | PaintItem(g, i);
|
---|
713 | }
|
---|
714 | }
|
---|
715 | }
|
---|
716 |
|
---|
717 | /**
|
---|
718 | * Paint filled areas and their surrounding lines as well as pictures. Note:
|
---|
719 | * floating widgets are painted as fills
|
---|
720 | *
|
---|
721 | * @param g
|
---|
722 | * @param toPaint
|
---|
723 | */
|
---|
724 | private static void PaintPictures(Graphics2D g, List<Item> toPaint,
|
---|
725 | HashSet<Item> fillOnlyItems, HashSet<Item> done) {
|
---|
726 |
|
---|
727 | List<Item> toFill = new LinkedList<Item>();
|
---|
728 | for (Item i : toPaint) {
|
---|
729 | // Ignore items that have already been done!
|
---|
730 | // Also ignore invisible items..
|
---|
731 | // TODO possibly ignore invisible items before coming to this
|
---|
732 | // method?
|
---|
733 | if (done.contains(i))
|
---|
734 | continue;
|
---|
735 | if (i instanceof XRayable) {
|
---|
736 | toFill.add(i);
|
---|
737 | done.addAll(i.getConnected());
|
---|
738 | } else if (i.hasEnclosures()) {
|
---|
739 | for (Item enclosure : i.getEnclosures()) {
|
---|
740 | if (!toFill.contains(enclosure))
|
---|
741 | toFill.add(enclosure);
|
---|
742 | }
|
---|
743 | done.addAll(i.getConnected());
|
---|
744 | } else if (i.isLineEnd()
|
---|
745 | && (!isAudienceMode() || !i.isConnectedToAnnotation())) {
|
---|
746 | toFill.add(i);
|
---|
747 | done.addAll(i.getAllConnected());
|
---|
748 | }
|
---|
749 | }
|
---|
750 |
|
---|
751 | if (fillOnlyItems != null) {
|
---|
752 | for (Item i : fillOnlyItems) {
|
---|
753 | if (done.contains(i))
|
---|
754 | continue;
|
---|
755 | else if (!isAudienceMode() || !i.isConnectedToAnnotation()) {
|
---|
756 | toFill.add(i);
|
---|
757 | }
|
---|
758 | done.addAll(i.getAllConnected());
|
---|
759 | }
|
---|
760 | }
|
---|
761 |
|
---|
762 | // Sort the items to fill
|
---|
763 | Collections.sort(toFill, new Comparator<Item>() {
|
---|
764 | public int compare(Item a, Item b) {
|
---|
765 | Double aArea = a.getEnclosedArea();
|
---|
766 | Double bArea = b.getEnclosedArea();
|
---|
767 | int cmp = aArea.compareTo(bArea);
|
---|
768 | if (cmp == 0) {
|
---|
769 | // System.out.println(a.getEnclosureID() + " " +
|
---|
770 | // b.getID());\
|
---|
771 | // Shapes to the left go underneath
|
---|
772 | Polygon pA = a.getEnclosedShape();
|
---|
773 | Polygon pB = b.getEnclosedShape();
|
---|
774 | if (pA == null || pB == null)
|
---|
775 | return 0;
|
---|
776 | return new Integer(pA.getBounds().x).compareTo(pB
|
---|
777 | .getBounds().x);
|
---|
778 | }
|
---|
779 | return cmp * -1;
|
---|
780 | }
|
---|
781 | });
|
---|
782 | for (Item i : toFill) {
|
---|
783 | if (i instanceof XRayable) {
|
---|
784 | PaintItem(g, i);
|
---|
785 | } else {
|
---|
786 | // Paint the fill and lines
|
---|
787 | i.paintFill(g);
|
---|
788 | List<Line> lines = i.getLines();
|
---|
789 | if (lines.size() > 0)
|
---|
790 | PaintItem(g, lines.get(0));
|
---|
791 | }
|
---|
792 | }
|
---|
793 | }
|
---|
794 |
|
---|
795 | /**
|
---|
796 | * Highlights an item on the screen Note: All graphics are handled by the
|
---|
797 | * Item itself.
|
---|
798 | *
|
---|
799 | * @param i
|
---|
800 | * The Item to highlight.
|
---|
801 | * @param val
|
---|
802 | * True if the highlighting is being shown, false if it is being
|
---|
803 | * erased.
|
---|
804 | * @return the item that was highlighted
|
---|
805 | */
|
---|
806 | public static Item Highlight(Item i) {
|
---|
807 | if ((i instanceof Line)) {
|
---|
808 | // Check if within 20% of the end of the line
|
---|
809 | Line l = (Line) i;
|
---|
810 | Item toDisconnect = l.getEndPointToDisconnect(Math
|
---|
811 | .round(FrameMouseActions.MouseX), Math
|
---|
812 | .round(FrameMouseActions.MouseY));
|
---|
813 |
|
---|
814 | // Brook: Widget Edges do not have such a context
|
---|
815 | if (toDisconnect != null && !(i instanceof WidgetEdge)) {
|
---|
816 | Item.HighlightMode newMode = toDisconnect.getHighlightMode();
|
---|
817 | if (FreeItems.itemsAttachedToCursor())
|
---|
818 | newMode = Item.HighlightMode.Normal;
|
---|
819 | // unhighlight all the other dots
|
---|
820 | for (Item conn : toDisconnect.getAllConnected()) {
|
---|
821 | conn.setHighlightMode(Item.HighlightMode.None);
|
---|
822 | }
|
---|
823 | l.setHighlightMode(newMode);
|
---|
824 | // highlight the dot that will be in disconnect mode
|
---|
825 | toDisconnect.setHighlightMode(newMode);
|
---|
826 | i = toDisconnect;
|
---|
827 | } else {
|
---|
828 | if(FrameMouseActions.isShiftDown()) {
|
---|
829 | for(Item j : i.getAllConnected()) {
|
---|
830 | if(j instanceof Dot && !j.equals(i)) {
|
---|
831 | j.setHighlightMode(HighlightMode.None);
|
---|
832 | }
|
---|
833 | }
|
---|
834 | l.getStartItem().setHighlightMode(HighlightMode.Connected);
|
---|
835 | l.getEndItem().setHighlightMode(HighlightMode.Connected);
|
---|
836 | } else {
|
---|
837 | for(Item j : i.getAllConnected()) {
|
---|
838 | if(j instanceof Dot && !j.equals(i)) {
|
---|
839 | j.setHighlightMode(HighlightMode.Connected);
|
---|
840 | }
|
---|
841 | }
|
---|
842 | }
|
---|
843 | // Collection<Item> connected = i.getAllConnected();
|
---|
844 | // for (Item conn : connected) {
|
---|
845 | // conn.setHighlightMode(Item.HighlightMode.Connected);
|
---|
846 | // }
|
---|
847 | }
|
---|
848 | } else if (i instanceof Circle) {
|
---|
849 | i.setHighlightMode(Item.HighlightMode.Connected);
|
---|
850 | } else if (!i.isVisible()) {
|
---|
851 | changeHighlightMode(i, Item.HighlightMode.Connected, null);
|
---|
852 | } else if (i instanceof Dot) {
|
---|
853 | // highlight the dot
|
---|
854 | if (i.hasPermission(UserAppliedPermission.full)) {
|
---|
855 | changeHighlightMode(i, Item.HighlightMode.Normal, Item.HighlightMode.None);
|
---|
856 | } else {
|
---|
857 | changeHighlightMode(i, Item.HighlightMode.Connected, Item.HighlightMode.Connected);
|
---|
858 | }
|
---|
859 | // highlight connected dots, but only if there aren't items being carried on the cursor
|
---|
860 | if(FreeItems.getInstance().size() == 0) {
|
---|
861 | if(FrameMouseActions.isShiftDown()) {
|
---|
862 | for(Item j : i.getAllConnected()) {
|
---|
863 | if(j instanceof Dot && !j.equals(i)) {
|
---|
864 | j.setHighlightMode(HighlightMode.Connected);
|
---|
865 | }
|
---|
866 | }
|
---|
867 | } else {
|
---|
868 | for(Item j : i.getAllConnected()) {
|
---|
869 | if(j instanceof Dot && !j.equals(i)) {
|
---|
870 | j.setHighlightMode(HighlightMode.None);
|
---|
871 | }
|
---|
872 | }
|
---|
873 | for(Line l : i.getLines()) {
|
---|
874 | Item j = l.getOppositeEnd(i);
|
---|
875 | j.setHighlightMode(HighlightMode.Connected);
|
---|
876 | }
|
---|
877 | }
|
---|
878 | }
|
---|
879 | } else {
|
---|
880 | // FrameGraphics.ChangeSelectionMode(i,
|
---|
881 | // Item.SelectedMode.Normal);
|
---|
882 | // For polygons need to make sure all other endpoints are
|
---|
883 | // unHighlighted
|
---|
884 | if (i.hasPermission(UserAppliedPermission.full))
|
---|
885 | changeHighlightMode(i, Item.HighlightMode.Normal,
|
---|
886 | Item.HighlightMode.None);
|
---|
887 | else
|
---|
888 | changeHighlightMode(i, Item.HighlightMode.Connected,
|
---|
889 | Item.HighlightMode.Connected);
|
---|
890 | }
|
---|
891 | Repaint();
|
---|
892 | return i;
|
---|
893 | }
|
---|
894 |
|
---|
895 | public static void changeHighlightMode(Item item, Item.HighlightMode newMode) {
|
---|
896 | changeHighlightMode(item, newMode, newMode);
|
---|
897 | }
|
---|
898 |
|
---|
899 | public static void changeHighlightMode(Item item,
|
---|
900 | Item.HighlightMode newMode, Item.HighlightMode connectedNewMode) {
|
---|
901 | if (item == null)
|
---|
902 | return;
|
---|
903 |
|
---|
904 | if (item.hasVector()) {
|
---|
905 | for (Item i : item.getParentOrCurrentFrame().getVectorItems()) {
|
---|
906 | if (i.getEditTarget() == item) {
|
---|
907 | i.setHighlightMode(newMode);
|
---|
908 | }
|
---|
909 | }
|
---|
910 | item.setHighlightMode(newMode);
|
---|
911 | } else {
|
---|
912 | // Mike: TODO comment on why the line below is used!!
|
---|
913 | // I forgot already!!Opps
|
---|
914 | boolean freeItem = FreeItems.getInstance().contains(item);
|
---|
915 | for (Item i : item.getAllConnected()) {
|
---|
916 | if (/* freeItem || */!FreeItems.getInstance().contains(i)) {
|
---|
917 | i.setHighlightMode(connectedNewMode);
|
---|
918 | }
|
---|
919 | }
|
---|
920 | if (!freeItem && newMode != connectedNewMode)
|
---|
921 | item.setHighlightMode(newMode);
|
---|
922 | }
|
---|
923 | Repaint();
|
---|
924 | }
|
---|
925 |
|
---|
926 | /**
|
---|
927 | * Repaints the buffer of the given Frame.
|
---|
928 | *
|
---|
929 | * @param toUpdate
|
---|
930 | * The Frame whose buffer is to be repainted.
|
---|
931 | */
|
---|
932 |
|
---|
933 | public static void UpdateBuffer(Frame toUpdate, boolean paintOverlays,
|
---|
934 | boolean useVolitile) {
|
---|
935 | toUpdate.setBuffer(getBuffer(toUpdate, paintOverlays, useVolitile));
|
---|
936 | }
|
---|
937 |
|
---|
938 | public static Image getBuffer(Frame toUpdate, boolean paintOverlays,
|
---|
939 | boolean useVolitile) {
|
---|
940 | if (toUpdate == null)
|
---|
941 | return null;
|
---|
942 |
|
---|
943 | return Paint(toUpdate, null, paintOverlays, useVolitile);
|
---|
944 | }
|
---|
945 |
|
---|
946 | public static int getMode() {
|
---|
947 | return _Mode;
|
---|
948 | }
|
---|
949 |
|
---|
950 | public static Graphics createGraphics() {
|
---|
951 | // Error messages on start up will call this message before
|
---|
952 | // _DisplayGraphics has been initialised
|
---|
953 | if (_DisplayGraphics == null)
|
---|
954 | return null;
|
---|
955 | return _DisplayGraphics.create();
|
---|
956 | }
|
---|
957 |
|
---|
958 | // Damaged areas pending to render. Accessessed by multiple threads
|
---|
959 | private static HashSet<Rectangle> damagedAreas = new HashSet<Rectangle>();
|
---|
960 |
|
---|
961 | /** The clip used while paiting */
|
---|
962 | private static Area currentClip;
|
---|
963 |
|
---|
964 | /**
|
---|
965 | * The current clip that is used for painting at this instant.
|
---|
966 | *
|
---|
967 | * Intention: for extra clipping within an items paint method - the clip is
|
---|
968 | * lost in the graphics object for which can be regained via this method.
|
---|
969 | *
|
---|
970 | * @return The current clip. Null if no clip (e.g. full screen render).
|
---|
971 | */
|
---|
972 | public static Area getCurrentClip() {
|
---|
973 | return (currentClip != null) ? (Area) currentClip.clone() : null;
|
---|
974 | }
|
---|
975 |
|
---|
976 | /**
|
---|
977 | * Checks that the item is visible (on current frame && overlays) - if
|
---|
978 | * visible then damaged area will be re-rendered on the next refresh.
|
---|
979 | *
|
---|
980 | * @param damagedItem
|
---|
981 | * @param toRepaint
|
---|
982 | */
|
---|
983 | public static void invalidateItem(Item damagedItem, Rectangle toRepaint) {
|
---|
984 | // Only add area to repaint if item is visible...
|
---|
985 | if (ItemUtils.isVisible(damagedItem)) {
|
---|
986 | synchronized (damagedAreas) {
|
---|
987 | damagedAreas.add(toRepaint);
|
---|
988 | }
|
---|
989 | } else if (MessageBay.isMessageItem(damagedItem)) {
|
---|
990 | MessageBay.addDirtyArea(toRepaint);
|
---|
991 | }
|
---|
992 | }
|
---|
993 |
|
---|
994 | /**
|
---|
995 | * The given area will be re-rendered in the next refresh. This is the
|
---|
996 | * quicker version and is more useful for re-rendering animated areas.
|
---|
997 | *
|
---|
998 | * @param toRepaint
|
---|
999 | */
|
---|
1000 | public static void invalidateArea(Rectangle toRepaint) {
|
---|
1001 | synchronized (damagedAreas) {
|
---|
1002 | damagedAreas.add(toRepaint);
|
---|
1003 | }
|
---|
1004 | }
|
---|
1005 |
|
---|
1006 | public static void clearInvalidAreas() {
|
---|
1007 | synchronized (damagedAreas) {
|
---|
1008 | damagedAreas.clear();
|
---|
1009 | }
|
---|
1010 | }
|
---|
1011 |
|
---|
1012 | /**
|
---|
1013 | * Invalidates the buffered image of the current Frame and forces it to be
|
---|
1014 | * repainted on to the screen. Repaints all items. This is more expensive
|
---|
1015 | * than refresh.
|
---|
1016 | */
|
---|
1017 | public static void ForceRepaint() { // TODO: TEMP: Use refresh
|
---|
1018 | Frame current = DisplayIO.getCurrentFrame();
|
---|
1019 |
|
---|
1020 | if (current == null)
|
---|
1021 | return;
|
---|
1022 | refresh(false);
|
---|
1023 | }
|
---|
1024 |
|
---|
1025 | public static void Repaint() { // TODO: TEMP: Use refresh
|
---|
1026 | refresh(true);
|
---|
1027 | }
|
---|
1028 |
|
---|
1029 | /**
|
---|
1030 | * Called to refresh the display screen. Thread safe.
|
---|
1031 | */
|
---|
1032 | public static void refresh(boolean useInvalidation) {
|
---|
1033 |
|
---|
1034 | if (_DisplayGraphics == null || _MaxSize.width <= 0
|
---|
1035 | || _MaxSize.height <= 0)
|
---|
1036 | return;
|
---|
1037 |
|
---|
1038 | currentClip = null;
|
---|
1039 | if (useInvalidation) { // build clip
|
---|
1040 |
|
---|
1041 | synchronized (damagedAreas) {
|
---|
1042 | if (!damagedAreas.isEmpty()) {
|
---|
1043 |
|
---|
1044 | for (Rectangle r : damagedAreas) {
|
---|
1045 | if (currentClip == null)
|
---|
1046 | currentClip = new Area(r);
|
---|
1047 | else
|
---|
1048 | currentClip.add(new Area(r));
|
---|
1049 | }
|
---|
1050 | damagedAreas.clear();
|
---|
1051 |
|
---|
1052 | } else if (MessageBay.isDirty()) {
|
---|
1053 | // Paint dirty message bay
|
---|
1054 | Graphics dg = _DisplayGraphics.create();
|
---|
1055 | MessageBay.refresh(true, dg, Item.DEFAULT_BACKGROUND);
|
---|
1056 | return;
|
---|
1057 |
|
---|
1058 | } else
|
---|
1059 | return; // nothing to render
|
---|
1060 | }
|
---|
1061 |
|
---|
1062 | } else {
|
---|
1063 | synchronized (damagedAreas) {
|
---|
1064 | damagedAreas.clear();
|
---|
1065 | }
|
---|
1066 | // System.out.println("FULLSCREEN REFRESH"); // TODO: REMOVE
|
---|
1067 | }
|
---|
1068 |
|
---|
1069 | Frame[] toPaint = DisplayIO.getFrames();
|
---|
1070 | Image left = Paint(toPaint[0], currentClip);
|
---|
1071 | Image right = Paint(toPaint[1], currentClip);
|
---|
1072 |
|
---|
1073 | Graphics dg = _DisplayGraphics.create();
|
---|
1074 |
|
---|
1075 | // Paint frame to window
|
---|
1076 | Paint(dg, left, right, Item.DEFAULT_BACKGROUND);
|
---|
1077 |
|
---|
1078 | // Paint any animations
|
---|
1079 | PopupManager.getInstance().paintAnimations();
|
---|
1080 |
|
---|
1081 | // Paint message bay
|
---|
1082 | MessageBay.refresh(useInvalidation, dg, Item.DEFAULT_BACKGROUND);
|
---|
1083 |
|
---|
1084 | dg.dispose();
|
---|
1085 | }
|
---|
1086 |
|
---|
1087 | /**
|
---|
1088 | * If wanting to refresh from another thread - other than the main thread
|
---|
1089 | * that handles the expeditee datamodel (modifying / accessing / rendering).
|
---|
1090 | * Use this method for thread safety.
|
---|
1091 | */
|
---|
1092 | public static synchronized void requestRefresh(boolean useInvalidation) {
|
---|
1093 |
|
---|
1094 | _requestMarsheller._useInvalidation = useInvalidation;
|
---|
1095 |
|
---|
1096 | if (_requestMarsheller._isQueued) {
|
---|
1097 | return;
|
---|
1098 | }
|
---|
1099 |
|
---|
1100 | _requestMarsheller._isQueued = true;
|
---|
1101 | EventQueue.invokeLater(_requestMarsheller); // Render on AWT thread
|
---|
1102 | }
|
---|
1103 |
|
---|
1104 | private static RenderRequestMarsheller _requestMarsheller = new FrameGraphics().new RenderRequestMarsheller();
|
---|
1105 |
|
---|
1106 | /**
|
---|
1107 | * Used for marshelling render requests from foreign threads to the event
|
---|
1108 | * dispatcher thread... (AWT)
|
---|
1109 | *
|
---|
1110 | * @author Brook Novak
|
---|
1111 | */
|
---|
1112 | private class RenderRequestMarsheller implements Runnable {
|
---|
1113 |
|
---|
1114 | boolean _useInvalidation = true;
|
---|
1115 |
|
---|
1116 | boolean _isQueued = false;
|
---|
1117 |
|
---|
1118 | public void run() {
|
---|
1119 | refresh(_useInvalidation);
|
---|
1120 | _isQueued = false;
|
---|
1121 | _useInvalidation = true;
|
---|
1122 | }
|
---|
1123 |
|
---|
1124 | }
|
---|
1125 |
|
---|
1126 | /**
|
---|
1127 | * Adds a FinalFrameRenderPass to the frame-render pipeline...
|
---|
1128 | *
|
---|
1129 | * Note that the last added FinalFrameRenderPass will be rendered at the
|
---|
1130 | * very top.
|
---|
1131 | *
|
---|
1132 | * @param pass
|
---|
1133 | * The pass to add. If already added then nothing results in the
|
---|
1134 | * call.
|
---|
1135 | *
|
---|
1136 | * @throws NullPointerException
|
---|
1137 | * If pass is null.
|
---|
1138 | */
|
---|
1139 | public static void addFrameRenderPass(FrameRenderPass pass) {
|
---|
1140 | if (pass == null)
|
---|
1141 | throw new NullPointerException("pass");
|
---|
1142 |
|
---|
1143 | if (!_frameRenderPasses.contains(pass))
|
---|
1144 | _frameRenderPasses.add(pass);
|
---|
1145 | }
|
---|
1146 |
|
---|
1147 | /**
|
---|
1148 | * Adds a FinalFrameRenderPass to the frame-render pipeline...
|
---|
1149 | *
|
---|
1150 | * Note that the last added FinalFrameRenderPass will be rendered at the
|
---|
1151 | * very top.
|
---|
1152 | *
|
---|
1153 | * @param pass
|
---|
1154 | * The pass to remove
|
---|
1155 | *
|
---|
1156 | */
|
---|
1157 | public static void removeFrameRenderPass(FrameRenderPass pass) {
|
---|
1158 | _frameRenderPasses.remove(pass);
|
---|
1159 | }
|
---|
1160 |
|
---|
1161 | /**
|
---|
1162 | * A FinalFrameRenderPass is invoked at the very final stages for rendering
|
---|
1163 | * a frame: that is, after the popups are drawn.
|
---|
1164 | *
|
---|
1165 | * There can be many applications for FinalFrameRenderPass. Such as tool
|
---|
1166 | * tips, balloons, or drawing items at the highest Z-order in special
|
---|
1167 | * situations.
|
---|
1168 | *
|
---|
1169 | * Although if there are multiples FinalFrameRenderPasses attatach to the
|
---|
1170 | * frame painter then it is not garaunteed to be rendered very last.
|
---|
1171 | *
|
---|
1172 | * @see FrameGraphics#addFinalFrameRenderPass(org.expeditee.gui.FrameGraphics.FrameRenderPass)
|
---|
1173 | * @see FrameGraphics#removeFinalFrameRenderPass(org.expeditee.gui.FrameGraphics.FrameRenderPass)
|
---|
1174 | *
|
---|
1175 | * @author Brook Novak
|
---|
1176 | */
|
---|
1177 | public interface FrameRenderPass {
|
---|
1178 |
|
---|
1179 | /**
|
---|
1180 | *
|
---|
1181 | * @param currentClip
|
---|
1182 | *
|
---|
1183 | * @return The clip that the pass should use instead. i.e. if there are
|
---|
1184 | * any effects that cannot invladate prior to paint call.
|
---|
1185 | */
|
---|
1186 | Area paintStarted(Area currentClip);
|
---|
1187 |
|
---|
1188 | void paintFinalPass(Graphics g);
|
---|
1189 |
|
---|
1190 | void paintPreLayeredPanePass(Graphics g);
|
---|
1191 | }
|
---|
1192 |
|
---|
1193 | }
|
---|