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1 /* |
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2 * Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 package javax.microedition.m3g; |
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20 |
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21 import javax.microedition.lcdui.Graphics; |
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22 import java.util.Hashtable; |
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23 import java.util.Vector; |
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24 import org.eclipse.swt.widgets.*; |
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25 import org.eclipse.swt.graphics.*; |
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26 import org.eclipse.swt.internal.qt.graphics.*; |
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27 import org.eclipse.swt.internal.qt.GCData; |
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28 import com.nokia.mj.impl.rt.support.ShutdownListener; |
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29 import com.nokia.mj.impl.rt.support.ApplicationUtils; |
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30 import com.nokia.mj.impl.nokialcdui.LCDUIInvoker; |
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31 |
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32 |
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33 public class Graphics3D |
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34 { |
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35 //------------------------------------------------------------------ |
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36 // Static data |
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37 //------------------------------------------------------------------ |
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38 |
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39 public static final int ANTIALIAS = 2; |
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40 public static final int DITHER = 4; |
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41 public static final int TRUE_COLOR = 8; |
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42 |
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43 // M3G 1.1 |
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44 public static final int OVERWRITE = 16; |
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45 |
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46 // Singleton instances |
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47 static Graphics3D s_instance = null; |
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48 |
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49 //------------------------------------------------------------------ |
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50 // Instance data |
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51 //------------------------------------------------------------------ |
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52 |
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53 int handle; |
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54 int iSurfaceHandle; |
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55 |
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56 private Camera camera = null; |
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57 private Vector lights = new Vector(); |
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58 |
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59 private java.lang.Object currentTarget = null; |
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60 private int offsetX, offsetY, hints = 0; |
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61 private boolean depthEnabled = true; |
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62 private Destroyer destroyer; |
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63 private Interface iInterface; |
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64 |
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65 // this flag is for identification of image target types |
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66 // - True for mutable off-screen images |
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67 // - False for canvas/GameCanvas framebuffer |
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68 private boolean iIsImageTarget; |
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69 |
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70 // this flag is for identification if MBX HW accelerator is present |
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71 // - True - MBX is NOT present |
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72 // - False - MBX is present |
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73 private boolean iIsProperRenderer; |
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74 |
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75 private boolean iNativeInitialized = false; |
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76 |
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77 // Shutdown listener |
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78 private class Destroyer implements ShutdownListener |
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79 { |
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80 Graphics3D target; |
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81 |
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82 Destroyer(Graphics3D g3d) |
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83 { |
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84 target = g3d; |
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85 ApplicationUtils appUtils = ApplicationUtils.getInstance(); |
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86 appUtils.addShutdownListener(this); |
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87 } |
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88 |
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89 // This method gets called when application is shuttingdown |
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90 public void shuttingDown() |
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91 { |
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92 |
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93 // Finalize native peer |
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94 Platform.finalizeObject(target.handle, target.iInterface); |
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95 |
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96 // signal shutdown (set shutdown flag) |
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97 // and remove references |
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98 target.iInterface.signalShutdown(); |
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99 target.iInterface = null; |
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100 target.camera = null; |
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101 //target.s_instance = null; |
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102 |
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103 // All done, Call gc() and finalization to collect |
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104 // remaining objects, thus zeroying liveObjects count |
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105 // in interface instance |
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106 |
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107 } |
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108 } |
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109 |
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110 //------------------------------------------------------------------ |
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111 // Constructor(s) |
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112 //------------------------------------------------------------------ |
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113 public static final Graphics3D getInstance() |
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114 { |
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115 |
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116 if (s_instance == null) |
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117 { |
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118 s_instance = new Graphics3D(); |
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119 } |
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120 return s_instance; |
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121 } |
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122 |
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123 private Graphics3D() |
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124 { |
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125 iInterface = Interface.getInstance(); |
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126 initNativePeer(); |
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127 |
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128 // setup listener for singleton teardown |
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129 destroyer = new Destroyer(this); |
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130 } |
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131 |
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132 //------------------------------------------------------------------ |
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133 // Public methods |
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134 //------------------------------------------------------------------ |
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135 |
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136 /** |
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137 */ |
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138 public void bindTarget(java.lang.Object target) |
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139 { |
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140 bindTarget(target, true, 0); |
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141 } |
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142 |
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143 /** |
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144 * |
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145 */ |
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146 public void bindTarget(java.lang.Object target, boolean depth, int flags) |
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147 { |
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148 integrityCheck(); |
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149 if (currentTarget != null) |
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150 { |
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151 throw new IllegalStateException(); |
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152 } |
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153 |
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154 if (target == null) |
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155 { |
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156 throw new NullPointerException(); |
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157 } |
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158 |
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159 final int finalFlags = flags; |
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160 final boolean finalDepth = depth; |
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161 |
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162 if (target instanceof org.eclipse.swt.graphics.GC) |
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163 { |
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164 Rectangle clip = ((org.eclipse.swt.graphics.GC)target).getClipping(); |
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165 final int clipW = clip.width; |
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166 final int clipH = clip.height; |
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167 final int clipX = clip.x; |
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168 final int clipY = clip.y; |
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169 |
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170 if (clipW > Defs.MAX_VIEWPORT_WIDTH || |
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171 clipH > Defs.MAX_VIEWPORT_HEIGHT) |
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172 { |
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173 throw new IllegalArgumentException(); |
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174 } |
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175 |
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176 final Object finalTarget = target; |
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177 Platform.executeInUIThread( |
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178 new M3gRunnable() |
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179 { |
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180 public void doRun() |
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181 { |
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182 GCData gcData = ((org.eclipse.swt.graphics.GC)finalTarget).getGCData(); |
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183 iSurfaceHandle = gcData.internalGc.getWindowSurface().getHandle(); |
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184 iIsImageTarget = _bindGraphics( |
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185 handle, |
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186 iSurfaceHandle, |
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187 clipX, clipY, |
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188 clipW, clipH, |
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189 finalDepth, finalFlags, |
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190 iIsProperRenderer); |
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191 } |
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192 }); |
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193 currentTarget = target; |
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194 } |
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195 |
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196 else if (target instanceof Graphics) |
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197 { |
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198 |
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199 Graphics g = (Graphics) target; |
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200 //Platform.sync(g); |
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201 |
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202 if (g.getClipWidth() > Defs.MAX_VIEWPORT_WIDTH || |
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203 g.getClipHeight() > Defs.MAX_VIEWPORT_HEIGHT) |
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204 { |
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205 throw new IllegalArgumentException(); |
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206 } |
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207 |
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208 offsetX = g.getTranslateX(); |
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209 offsetY = g.getTranslateY(); |
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210 |
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211 final Graphics finalG = g; |
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212 |
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213 Platform.executeInUIThread( |
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214 new M3gRunnable() |
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215 { |
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216 public void doRun() |
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217 { |
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218 LCDUIInvoker.startExternalRendering( finalG ); |
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219 iSurfaceHandle = LCDUIInvoker.getWindowSurface(finalG).getHandle(); |
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220 iIsImageTarget = _bindGraphics( |
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221 handle, |
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222 iSurfaceHandle, |
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223 finalG.getClipX() + offsetX, finalG.getClipY() + offsetY, |
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224 finalG.getClipWidth(), finalG.getClipHeight(), |
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225 finalDepth, finalFlags, |
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226 iIsProperRenderer); |
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227 } |
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228 }); |
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229 currentTarget = g; |
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230 } |
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231 else if (target instanceof Image2D) |
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232 { |
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233 Image2D img = (Image2D) target; |
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234 |
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235 offsetX = offsetY = 0; |
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236 final int imageHandle = img.handle; |
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237 |
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238 Platform.executeInUIThread( |
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239 new M3gRunnable() |
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240 { |
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241 public void doRun() |
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242 { |
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243 _bindImage(handle, imageHandle, finalDepth, finalFlags); |
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244 } |
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245 }); |
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246 currentTarget = img; |
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247 } |
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248 else |
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249 { |
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250 throw new IllegalArgumentException(); |
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251 } |
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252 |
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253 hints = flags; |
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254 depthEnabled = depth; |
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255 } |
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256 |
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257 /** |
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258 * |
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259 */ |
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260 public void releaseTarget() |
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261 { |
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262 integrityCheck(); |
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263 if (currentTarget == null) |
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264 { |
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265 return; |
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266 } |
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267 |
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268 if (currentTarget instanceof org.eclipse.swt.graphics.GC) |
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269 { |
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270 Platform.executeInUIThread( |
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271 new M3gRunnable() |
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272 { |
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273 public void doRun() |
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274 { |
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275 _releaseGraphics(handle, |
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276 iSurfaceHandle, iIsImageTarget, iIsProperRenderer); |
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277 } |
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278 }); |
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279 } |
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280 else if (currentTarget instanceof Graphics) |
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281 { |
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282 final Graphics finalG = (Graphics)currentTarget; |
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283 Platform.executeInUIThread( |
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284 new M3gRunnable() |
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285 { |
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286 public void doRun() |
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287 { |
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288 _releaseGraphics(handle, |
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289 iSurfaceHandle, iIsImageTarget, iIsProperRenderer); |
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290 LCDUIInvoker.endExternalRendering( finalG ); |
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291 } |
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292 }); |
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293 /* |
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294 Graphics g = (Graphics) currentTarget; |
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295 |
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296 //ToolkitInvoker invoker = ToolkitInvoker.getToolkitInvoker(); |
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297 |
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298 Platform.getUIThread().syncExec( |
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299 new Runnable() { |
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300 public void run() { |
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301 _releaseGraphics( handle, |
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302 invoker.graphicsGetHandle(g), iIsImageTarget, iIsProperRenderer ); |
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303 } |
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304 }); |
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305 */ |
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306 } |
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307 else if (currentTarget instanceof Image2D) |
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308 { |
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309 Platform.executeInUIThread( |
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310 new M3gRunnable() |
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311 { |
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312 public void doRun() |
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313 { |
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314 _releaseImage(handle); |
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315 } |
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316 }); |
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317 } |
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318 else |
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319 { |
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320 throw new Error(); |
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321 } |
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322 currentTarget = null; |
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323 iSurfaceHandle = 0; |
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324 } |
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325 |
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326 /** |
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327 * |
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328 */ |
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329 public void setViewport(int x, int y, int width, int height) |
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330 { |
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331 integrityCheck(); |
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332 if (width <= 0 || height <= 0 |
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333 || width > Defs.MAX_VIEWPORT_DIMENSION |
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334 || height > Defs.MAX_VIEWPORT_DIMENSION) |
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335 { |
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336 throw new IllegalArgumentException(); |
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337 } |
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338 _setViewport(handle, x + offsetX, y + offsetY, width, height); |
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339 } |
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340 |
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341 /** |
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342 * |
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343 */ |
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344 public void clear(Background background) |
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345 { |
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346 integrityCheck(); |
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347 final Background finalBackground = background; |
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348 Platform.executeInUIThread( |
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349 new M3gRunnable() |
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350 { |
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351 public void doRun() |
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352 { |
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353 _clear(handle, finalBackground != null ? finalBackground.handle : 0); |
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354 } |
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355 }); |
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356 } |
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357 |
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358 /** |
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359 * |
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360 */ |
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361 public void render(World world) |
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362 { |
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363 integrityCheck(); |
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364 final World finalWorld = world; |
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365 Platform.executeInUIThread( |
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366 new M3gRunnable() |
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367 { |
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368 public void doRun() |
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369 { |
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370 _renderWorld(handle, finalWorld.handle); |
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371 } |
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372 }); |
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373 } |
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374 |
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375 /** |
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376 * |
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377 */ |
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378 public void render(VertexBuffer vertices, |
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379 IndexBuffer primitives, |
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380 Appearance appearance, |
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381 Transform transform) |
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382 { |
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383 // Call rendering method with default visibility |
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384 integrityCheck(); |
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385 render(vertices, primitives, appearance, transform, -1); |
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386 } |
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387 |
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388 /** |
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389 * |
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390 */ |
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391 public void render(VertexBuffer vertices, |
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392 IndexBuffer primitives, |
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393 Appearance appearance, |
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394 Transform transform, |
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395 int scope) |
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396 { |
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397 |
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398 // null pointer exceptions thrown automatically below |
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399 integrityCheck(); |
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400 |
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401 final VertexBuffer finalVertices = vertices; |
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402 final IndexBuffer finalPrimitives = primitives; |
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403 final Appearance finalAppearance = appearance; |
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404 final Transform finalTransform = transform; |
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405 final int finalScope = scope; |
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406 |
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407 Platform.executeInUIThread( |
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408 new M3gRunnable() |
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409 { |
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410 public void doRun() |
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411 { |
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412 _render(handle, |
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413 finalVertices.handle, |
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414 finalPrimitives.handle, |
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415 finalAppearance.handle, |
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416 finalTransform != null ? finalTransform.matrix : null, |
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417 finalScope); |
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418 } |
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419 }); |
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420 } |
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421 |
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422 /** |
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423 * |
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424 */ |
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425 public void render(Node node, Transform transform) |
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426 { |
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427 if (!(node instanceof Mesh |
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428 || node instanceof Sprite3D |
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429 || node instanceof Group) |
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430 && node != null) |
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431 { |
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432 throw new IllegalArgumentException(); |
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433 } |
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434 integrityCheck(); |
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435 |
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436 final Node finalNode = node; |
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437 final Transform finalTransform = transform; |
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438 |
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439 Platform.executeInUIThread( |
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440 new M3gRunnable() |
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441 { |
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442 public void doRun() |
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443 { |
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444 _renderNode(handle, |
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445 finalNode.handle, |
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446 finalTransform != null ? finalTransform.matrix : null); |
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447 } |
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448 }); |
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449 } |
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450 |
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451 |
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452 public void setCamera(Camera camera, Transform transform) |
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453 { |
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454 integrityCheck(); |
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455 _setCamera(handle, |
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456 camera != null ? camera.handle : 0, |
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457 transform != null ? transform.matrix : null); |
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458 |
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459 this.camera = camera; |
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460 } |
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461 |
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462 /** |
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463 */ |
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464 public int addLight(Light light, Transform transform) |
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465 { |
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466 integrityCheck(); |
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467 int index = _addLight(handle, |
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468 light.handle, |
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469 transform != null ? transform.matrix : null); |
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470 if (lights.size() < index + 1) |
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471 { |
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472 lights.setSize(index + 1); |
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473 } |
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474 lights.setElementAt(light, index); |
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475 return index; |
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476 } |
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477 |
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478 /** |
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479 * |
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480 */ |
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481 public void setLight(int index, Light light, Transform transform) |
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482 { |
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483 integrityCheck(); |
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484 _setLight(handle, |
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485 index, |
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486 light != null ? light.handle : 0, |
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487 transform != null ? transform.matrix : null); |
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488 lights.setElementAt(light, index); |
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489 } |
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490 |
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491 /** |
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492 */ |
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493 public void resetLights() |
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494 { |
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495 integrityCheck(); |
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496 _resetLights(handle); |
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497 lights.removeAllElements(); |
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498 } |
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499 |
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500 /** |
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501 * |
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502 */ |
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503 public static final Hashtable getProperties() |
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504 { |
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505 Hashtable props = new Hashtable(); |
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506 |
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507 props.put("supportAntialiasing", new java.lang.Boolean( |
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508 _isAASupported(Interface.getHandle()))); |
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509 props.put("supportTrueColor", new java.lang.Boolean(Defs.supportTrueColor)); |
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510 props.put("supportDithering", new java.lang.Boolean(Defs.supportDithering)); |
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511 props.put("supportMipmapping", new java.lang.Boolean(Defs.supportMipmapping)); |
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512 props.put("supportPerspectiveCorrection", new java.lang.Boolean(Defs.supportPerspectiveCorrection)); |
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513 props.put("supportLocalCameraLighting", new java.lang.Boolean(Defs.supportLocalCameraLighting)); |
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514 props.put("maxLights", new java.lang.Integer(Defs.MAX_LIGHTS)); |
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515 props.put("maxViewportWidth", new java.lang.Integer(Defs.MAX_VIEWPORT_WIDTH)); |
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516 props.put("maxViewportHeight", new java.lang.Integer(Defs.MAX_VIEWPORT_HEIGHT)); |
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517 props.put("maxViewportDimension", new java.lang.Integer(Defs.MAX_VIEWPORT_DIMENSION)); |
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518 props.put("maxTextureDimension", new java.lang.Integer(Defs.MAX_TEXTURE_DIMENSION)); |
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519 props.put("maxSpriteCropDimension", new java.lang.Integer(Defs.MAX_TEXTURE_DIMENSION)); |
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520 props.put("numTextureUnits", new java.lang.Integer(Defs.NUM_TEXTURE_UNITS)); |
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521 props.put("maxTransformsPerVertex", new java.lang.Integer(Defs.MAX_TRANSFORMS_PER_VERTEX)); |
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522 |
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523 // Extra properties |
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524 props.put("m3gRelease", new java.lang.String("04_wk49")); |
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525 |
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526 return props; |
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527 } |
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528 |
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529 /** |
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530 * |
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531 */ |
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532 public void setDepthRange(float near, float far) |
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533 { |
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534 integrityCheck(); |
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535 _setDepthRange(handle, near, far); |
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536 } |
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537 |
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538 // M3G 1.1 |
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539 |
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540 public Camera getCamera(Transform transform) |
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541 { |
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542 integrityCheck(); |
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543 if (transform != null) |
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544 { |
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545 _getViewTransform(handle, transform.matrix); |
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546 } |
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547 |
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548 return (Camera) Object3D.getInstance(_getCamera(handle)); |
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549 } |
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550 |
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551 public float getDepthRangeFar() |
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552 { |
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553 integrityCheck(); |
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554 return _getDepthRangeFar(handle); |
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555 } |
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556 |
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557 public float getDepthRangeNear() |
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558 { |
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559 integrityCheck(); |
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560 return _getDepthRangeNear(handle); |
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561 } |
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562 |
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563 public Light getLight(int index, Transform transform) |
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564 { |
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565 integrityCheck(); |
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566 if (index < 0 || index >= _getLightCount(handle)) |
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567 { |
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568 throw new IndexOutOfBoundsException(); |
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569 } |
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570 |
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571 return (Light) Object3D.getInstance(_getLightTransform(handle, |
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572 index, |
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573 transform != null ? transform.matrix : null)); |
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574 } |
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575 |
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576 public int getLightCount() |
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577 { |
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578 integrityCheck(); |
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579 return _getLightCount(handle); |
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580 } |
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581 |
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582 public java.lang.Object getTarget() |
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583 { |
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584 return currentTarget; |
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585 } |
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586 |
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587 public int getViewportHeight() |
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588 { |
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589 integrityCheck(); |
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590 return _getViewportHeight(handle); |
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591 } |
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592 |
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593 public int getViewportWidth() |
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594 { |
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595 integrityCheck(); |
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596 return _getViewportWidth(handle); |
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597 } |
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598 |
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599 public int getViewportX() |
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600 { |
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601 integrityCheck(); |
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602 return _getViewportX(handle) - offsetX; |
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603 } |
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604 |
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605 public int getViewportY() |
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606 { |
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607 integrityCheck(); |
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608 return _getViewportY(handle) - offsetY; |
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609 } |
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610 |
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611 public int getHints() |
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612 { |
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613 return hints; |
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614 } |
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615 |
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616 public boolean isDepthBufferEnabled() |
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617 { |
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618 return depthEnabled; |
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619 } |
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620 |
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621 // M3G 1.1 getters END |
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622 |
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623 //------------------------------------------------------------------ |
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624 // Private methods |
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625 //------------------------------------------------------------------ |
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626 |
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627 private void integrityCheck() |
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628 { |
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629 if (iInterface == null) |
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630 { |
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631 throw new RuntimeException("Graphics3D closed"); |
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632 } |
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633 if (!iNativeInitialized) |
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634 { |
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635 // If native interface cannot be initialized we cannot recover from it |
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636 if (!initNativePeer()) |
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637 { |
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638 throw new Error("UI thread not available"); |
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639 } |
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640 } |
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641 } |
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642 |
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643 /** |
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644 * Initializes native peer |
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645 * @return true if native interface was succesfully inialized otherwise false |
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646 */ |
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647 private boolean initNativePeer() |
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648 { |
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649 if (iNativeInitialized) |
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650 { |
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651 return true; |
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652 } |
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653 if (iInterface.isFullyInitialized() && Platform.uiThreadAvailable()) |
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654 { |
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655 handle = _ctor(iInterface.getHandle()); |
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656 _addRef(handle); |
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657 |
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658 Platform.executeInUIThread( |
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659 new M3gRunnable() |
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660 { |
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661 public void doRun() |
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662 { |
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663 iIsProperRenderer = _isProperRenderer(); |
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664 } |
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665 }); |
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666 iNativeInitialized = true; |
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667 return true; |
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668 } |
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669 else |
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670 { |
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671 return false; |
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672 } |
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673 } |
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674 |
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675 //------------------------------------------------------------------ |
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676 // Native implementation methods |
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677 //------------------------------------------------------------------ |
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678 private native static int _ctor(int hInterface); |
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679 private native static void _addRef(int hObject); |
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680 private native static int _addLight(int handle, |
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681 int hLight, |
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682 byte[] transform); |
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683 private native static boolean _bindGraphics(int handle, |
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684 int surfaceHandle, |
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685 int clipX, int clipY, |
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686 int clipW, int clipH, |
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687 boolean depth, |
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688 int hintBits, |
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689 boolean aIsProperRenderer); |
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690 private native static void _bindImage(int handle, int imgHandle, boolean depth, int hintBits); |
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691 private native static void _releaseGraphics(int handle, |
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692 int surfaceHandle, |
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693 boolean aIsImageTarget, |
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694 boolean aIsProperRenderer); |
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695 private native static void _releaseImage(int handle); |
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696 private native static void _resetLights(int handle); |
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697 private native static void _clear(int handle, int hBackground); |
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698 private native static void _render(int handle, |
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699 int hVtxBuffer, |
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700 int hIdxBuffer, |
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701 int hAppearance, |
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702 byte[] transform, |
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703 int scope); |
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704 private native static void _renderNode(int handle, int hNode, byte[] transform); |
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705 private native static void _renderWorld(int handle, int hWorld); |
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706 private native static void _setCamera(int handle, |
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707 int hCamera, |
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708 byte[] transform); |
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709 private native static void _setViewport(int handle, |
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710 int x, int y, |
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711 int width, int height); |
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712 private native static void _setLight(int handle, |
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713 int index, |
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714 int hLight, |
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715 byte[] transform); |
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716 private native static void _setDepthRange(int handle, |
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717 float near, |
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718 float far); |
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719 |
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720 // M3G 1.1 |
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721 // Maintenance release getters |
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722 |
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723 private native static void _getViewTransform(int handle, |
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724 byte[] transform); |
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725 private native static int _getCamera(int handle); |
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726 private native static int _getLightTransform(int handle, |
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727 int index, |
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728 byte[] transform); |
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729 private native static int _getLightCount(int handle); |
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730 private native static float _getDepthRangeNear(int handle); |
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731 private native static float _getDepthRangeFar(int handle); |
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732 private native static int _getViewportX(int handle); |
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733 private native static int _getViewportY(int handle); |
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734 private native static int _getViewportWidth(int handle); |
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735 private native static int _getViewportHeight(int handle); |
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736 |
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737 /* Statistics support, MUST be disabled in official releases! */ |
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738 /* |
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739 public native static int getStatistics(int[] statistics); |
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740 */ |
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741 private native static boolean _isAASupported(int handle); |
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742 private native static boolean _isProperRenderer(); |
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743 } |