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1 /* |
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2 * Copyright (c) 2005 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 com.nokia.microedition.m2g; |
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20 |
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21 import com.nokia.microedition.m2g.M2GRunnableQt; |
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22 import javax.microedition.m2g.*; |
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23 import javax.microedition.m2g.ScalableGraphics; |
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24 import javax.microedition.lcdui.Graphics; |
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25 import java.lang.StringBuffer; |
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26 import org.eclipse.swt.graphics.GC; |
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27 import org.eclipse.swt.graphics.Rectangle; |
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28 import com.nokia.mj.impl.utils.Logger; |
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29 import com.nokia.mj.impl.nokialcdui.LCDUIInvoker; |
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30 import org.eclipse.swt.internal.qt.GCData; |
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31 import org.eclipse.swt.internal.qt.graphics.GraphicsContext; |
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32 import org.eclipse.swt.internal.extension.GraphicsUtil; |
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33 |
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34 /* |
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35 * ScalableGraphics |
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36 */ |
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37 public class M2GScalableGraphics |
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38 extends M2GObject |
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39 { |
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40 //-------------------------------------------------- |
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41 // STATIC CONSTANTS |
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42 //-------------------------------------------------- |
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43 // Exception text |
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44 /* Optimization: static finals changed to local variables |
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45 private static final String ALPHA_OUT_OF_RANGE_ESTR = |
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46 "The alpha is out of range"; |
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47 private static final String INVALID_TARGET_ESTR = |
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48 "The target is invalid"; |
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49 private static final String MODE_INVALID_ESTR = |
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50 "The mode is invalid"; |
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51 private static final String NULL_IMAGE_ESTR = |
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52 "The image is null"; |
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53 private static final String NULL_TARGET_ESTR = |
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54 "The target is null"; |
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55 private static final String TARGET_ALREADY_BOUND_ESTR = |
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56 "Target is already bound"; |
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57 private static final String TARGET_NOT_BOUND_ESTR = |
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58 "Target is not bound"; |
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59 */ |
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60 // Transparency alpha max and min limits |
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61 private static final float MAX_TRANSPARENCY_ALPHA = 1.0f; |
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62 private static final float MIN_TRANSPARENCY_ALPHA = 0.0f; |
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63 |
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64 //-------------------------------------------------- |
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65 // VARIABLES |
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66 //-------------------------------------------------- |
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67 private GC iTargetGC = null; |
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68 private int iUseNativeClear = 0; |
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69 private Graphics iTargetGraphics; |
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70 private Rectangle iSurfaceRectangle; |
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71 private Rectangle iFinalESWTSurfaceRectangle; |
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72 |
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73 int iSurfaceHandle; |
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74 |
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75 //-------------------------------------------------- |
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76 // METHODS |
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77 //-------------------------------------------------- |
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78 /** |
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79 * Constructor |
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80 */ |
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81 public M2GScalableGraphics() |
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82 { |
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83 super(); |
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84 |
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85 doConstruct(); |
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86 } |
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87 /** |
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88 * @see javax.microedition.m2g.ScalableGraphics#bindTarget() |
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89 */ |
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90 public synchronized void bindTarget(Object target) |
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91 { |
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92 |
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93 if (target == null ) |
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94 { |
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95 throw new NullPointerException(/*SF*/"The target is null"/*SF*/); |
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96 } |
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97 |
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98 if (target instanceof org.eclipse.swt.graphics.GC) |
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99 { |
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100 |
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101 final GC finalGc = (GC)target; |
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102 |
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103 // Execute in UI thread |
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104 Platform.executeInUIThread( |
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105 new M2GRunnableQt() { |
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106 public void doRun() { |
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107 iFinalESWTSurfaceRectangle = GraphicsUtil.startExternalRendering(finalGc); |
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108 |
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109 // Get GCData from GC |
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110 /*TODO check for this cahnge GCData gcData = ((org.eclipse.swt.graphics.GC)finalGc).getGCData(); |
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111 // Get internalGC (Graphicscontext), WindowSurface and the WindowSurface handle for native access |
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112 iSurfaceHandle = gcData.internalGc.getWindowSurface().getHandle();*/ |
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113 iSurfaceHandle = GraphicsUtil.getWindowSurface(finalGc).getHandle(); |
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114 |
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115 _bind(getHandle(), iSurfaceHandle); |
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116 |
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117 } |
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118 }); |
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119 // currentTarget = target; |
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120 iTargetGC = (GC)finalGc; |
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121 // Handling for LCDUI Graphics |
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122 // |
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123 } |
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124 //Change accordingly to M3G not as site content. |
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125 else if (target instanceof javax.microedition.lcdui.Graphics) |
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126 { |
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127 Graphics g = (Graphics)target; |
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128 final Graphics finalG = g; |
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129 iSurfaceRectangle = LCDUIInvoker.startExternalRendering( finalG ); |
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130 // Execute in UI thread |
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131 Platform.executeInUIThread( |
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132 new M2GRunnableQt() { |
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133 public void doRun() { |
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134 |
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135 |
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136 |
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137 iSurfaceHandle = LCDUIInvoker.getWindowSurface(finalG).getHandle(); |
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138 |
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139 // Flush Canvas |
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140 //M2GManager.flushDisplayBuffer(); |
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141 _bind(getHandle(), iSurfaceHandle); |
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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 |
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147 iTargetGraphics = (Graphics)finalG; |
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148 } |
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149 |
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150 else { |
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151 throw new IllegalArgumentException(); |
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152 } |
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153 |
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154 //TODO Check for : when to give this exception java.lang.IllegalStateException - if target is already bound. |
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155 |
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156 } |
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157 |
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158 |
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159 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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160 |
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161 /** |
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162 * @see com.nokia.microedition.m2g.M2GObject#doConstruct() |
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163 */ |
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164 public void doConstruct() |
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165 { |
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166 super.doConstruct(); |
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167 |
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168 // Execute in UI thread |
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169 Platform.executeInUIThread( |
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170 new M2GRunnableQt() { |
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171 public void doRun() { |
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172 setHandle(_createRenderContext( |
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173 getNativeSVGProxyHandle() )); |
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174 // Add object to the live objects container |
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175 } |
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176 }); |
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177 register(this); |
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178 } |
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179 |
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180 /** |
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181 * @see com.nokia.microedition.m2g.M2GObject#doCleanup() |
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182 */ |
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183 public synchronized void doCleanup() |
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184 { |
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185 |
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186 // Execute in UI thread |
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187 Platform.executeInUIThread( |
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188 new M2GRunnableQt() { |
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189 public void doRun() { |
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190 _deleteRenderContext( |
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191 getHandle() ); |
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192 } |
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193 } |
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194 ); |
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195 resetHandles(); |
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196 iTargetGC = null; |
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197 iTargetGraphics = null; |
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198 } |
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199 |
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200 /** |
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201 * @see javax.microedition.m2g.ScalableGraphics#releaseTarget() |
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202 */ |
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203 public synchronized void releaseTarget() |
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204 { |
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205 |
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206 if (iTargetGC != null) |
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207 { |
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208 |
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209 Platform.executeInUIThread( |
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210 new M2GRunnableQt() { |
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211 public void doRun() { |
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212 GraphicsUtil.endExternalRendering(iTargetGC); |
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213 _release(iSurfaceHandle, getHandle()); |
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214 } |
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215 }); |
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216 iTargetGC = null; |
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217 } |
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218 else if (iTargetGraphics != null ) |
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219 { |
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220 |
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221 |
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222 final Graphics finalG = iTargetGraphics; |
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223 Platform.executeInUIThread( |
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224 new M2GRunnableQt() { |
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225 public void doRun() { |
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226 _release(iSurfaceHandle, getHandle()); |
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227 } |
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228 }); |
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229 LCDUIInvoker.endExternalRendering( iTargetGraphics ); |
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230 |
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231 iTargetGraphics = null; |
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232 } |
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233 else |
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234 { |
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235 |
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236 // check for invalid Graphics TODO this exception is getting trough when we trying to bind.s |
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237 throw new IllegalStateException(/*SF*/"Target is not bound"/*SF*/); |
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238 } |
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239 |
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240 } |
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241 public synchronized void render( |
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242 int x, int y, ScalableImage image, boolean aUseNativeClear) |
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243 { |
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244 |
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245 |
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246 iUseNativeClear = aUseNativeClear ? 1 : 0; |
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247 render(x, y, image); |
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248 iUseNativeClear = 0; |
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249 |
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250 |
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251 |
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252 } |
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253 |
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254 /** |
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255 * @see javax.microedition.m2g.ScalableGraphics#render() |
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256 */ |
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257 public synchronized void render(int x, int y, ScalableImage image) |
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258 { |
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259 |
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260 if (image == null) |
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261 { |
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262 Logger.ELOG(Logger.EJavaUI, "render() - exception: " |
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263 + /*SF*/"The target is null"/*SF*/); |
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264 throw new NullPointerException(/*SF*/"The target is null"/*SF*/); |
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265 } |
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266 if (iTargetGC != null) |
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267 { |
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268 final M2GDocument finalDoc = (M2GDocument)((SVGImage)image).getDocument(); |
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269 // Get synchronized svg image data |
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270 final int finalSvgW = image.getViewportWidth(); |
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271 final int finalSvgH = image.getViewportHeight(); |
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272 if ((finalSvgW == 0) || (finalSvgW == 0)) |
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273 { |
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274 return; |
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275 } |
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276 // Calculate clip dimensions TODO check the new clipping rect provided from StartExternalRendering API.s |
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277 //Rectangle clipRect = iTargetGC.getClipping(); |
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278 Rectangle clipRect = iFinalESWTSurfaceRectangle; |
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279 |
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280 final int finalClipX = clipRect.x; |
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281 final int finalClipY = clipRect.y; |
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282 final int finalClipW = clipRect.width; |
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283 final int finalClipH = clipRect.height; |
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284 |
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285 |
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286 // if none of the svg image is visible due to clipping then don't |
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287 // bother to call render |
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288 if ((x >= (finalClipX + finalClipW)) || (y >= (finalClipY + finalClipH))) |
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289 { |
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290 Logger.LOG(Logger.EJavaUI, Logger.EInfo, |
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291 "render() - svg image isn't visible due to clipping"); |
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292 return; |
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293 } |
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294 if (((x + finalSvgW) < finalClipX) || ((y + finalSvgW) < finalClipY)) |
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295 { |
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296 Logger.LOG(Logger.EJavaUI, Logger.EInfo, |
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297 "render() - svg image isn't visible due to clipping"); |
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298 return; |
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299 } |
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300 |
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301 |
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302 final int finalX = x; |
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303 final int finalY = y; |
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304 |
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305 // Execute in UI thread |
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306 Platform.executeInUIThread( |
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307 new M2GRunnableQt() { |
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308 public void doRun() { |
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309 |
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310 |
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311 |
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312 final int[] finalData = _renderESWT(getHandle(), |
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313 finalDoc.getHandle(), finalX, finalY, |
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314 finalClipX, finalClipY, finalClipW, finalClipH, finalSvgW, finalSvgW, |
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315 finalDoc.getRootElement().getCurrentTime(), |
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316 iUseNativeClear); |
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317 |
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318 int[] bitmapHandles; |
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319 bitmapHandles = new int[4]; |
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320 for (int i = 0; i < 4; i++) |
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321 { |
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322 bitmapHandles[i] = finalData[i]; |
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323 } |
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324 int[] renderData; |
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325 renderData = new int[6]; |
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326 for (int i = 0; i < 6; i++) |
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327 { |
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328 renderData[i] = finalData[i+4]; |
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329 } |
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330 //iTargetGC.internal_drawM2GImage(bitmapHandles, renderData, iUseNativeClear); |
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331 |
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332 }}); |
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333 |
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334 }//if(true) |
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335 else if (iTargetGraphics != null) |
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336 { |
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337 |
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338 |
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339 final M2GDocument finalDoc = (M2GDocument)((SVGImage)image).getDocument(); |
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340 // Get synchronized svg image data |
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341 final int finalSvgW = image.getViewportWidth(); |
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342 final int finalSvgH = image.getViewportHeight(); |
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343 if ((finalSvgW == 0) || (finalSvgH == 0)) |
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344 { |
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345 |
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346 return; |
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347 } |
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348 |
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349 |
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350 //TODO as we are using Surface rectangle provided by StartExternalRendering as Clip Rectangle. |
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351 final int finalClipX = iSurfaceRectangle.x; |
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352 final int finalClipY = iSurfaceRectangle.y; |
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353 final int finalClipW = iSurfaceRectangle.width; |
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354 final int finalClipH = iSurfaceRectangle.height; |
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355 |
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356 // Calculate clip dimensions |
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357 /*final int finalClipX = iTargetGraphics.getClipX() + iTargetGraphics.getTranslateX(); |
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358 final int finalClipY = iTargetGraphics.getClipY() + iTargetGraphics.getTranslateY(); |
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359 final int finalClipW = iTargetGraphics.getClipWidth(); |
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360 final int finalClipH = iTargetGraphics.getClipHeight();*/ |
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361 // if none of the svg image is visible due to clipping then don't |
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362 // bother to call render |
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363 if ((x >= (finalClipX + finalClipW)) || (y >= (finalClipY + finalClipH))) |
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364 { |
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365 Logger.LOG(Logger.EJavaUI, Logger.EInfo, |
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366 "render() - svg image isn't visible due to clipping"); |
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367 return; |
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368 } |
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369 if (((x + finalSvgW) < finalClipX) || ((y + finalSvgH) < finalClipY)) |
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370 { |
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371 Logger.LOG(Logger.EJavaUI, Logger.EInfo, |
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372 "render() - svg image isn't visible due to clipping"); |
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373 return; |
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374 } |
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375 |
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376 final int finalX = x; |
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377 final int finalY = y; |
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378 |
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379 |
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380 |
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381 // Execute in UI thread |
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382 Platform.executeInUIThread( |
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383 new M2GRunnableQt() { |
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384 public void doRun() { |
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385 _renderLCDUI(getHandle(), finalDoc.getHandle(), finalX, finalY, |
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386 finalClipX, finalClipY, finalClipW, finalClipH, finalSvgW, finalSvgH, |
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387 finalDoc.getRootElement().getCurrentTime()); |
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388 }}); |
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389 |
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390 |
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391 } |
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392 |
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393 else |
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394 { |
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395 Logger.ELOG(Logger.EJavaUI, "render() - exception: " |
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396 + /*SF*/"Target is not bound"/*SF*/);//TODO for time being commented.s |
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397 throw new IllegalStateException(/*SF*/"Target is not bound"/*SF*/); |
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398 } |
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399 |
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400 } |
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401 |
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402 /** |
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403 * @see javax.microedition.m2g.ScalableGraphics#setRenderingQuality(int) |
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404 */ |
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405 public synchronized void setRenderingQuality(int mode) |
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406 { |
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407 if ((mode == ScalableGraphics.RENDERING_QUALITY_LOW) || |
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408 (mode == ScalableGraphics.RENDERING_QUALITY_HIGH)) |
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409 { |
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410 final int finalMode = mode; |
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411 // Execute in UI thread |
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412 Platform.executeInUIThread( |
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413 new M2GRunnableQt() { |
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414 public void doRun() { |
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415 _setRenderingQuality(getHandle(), finalMode); |
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416 } |
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417 }); |
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418 } |
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419 else |
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420 { |
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421 Logger.ELOG(Logger.EJavaUI, |
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422 "setRenderingQuality() - exception: " + /*SF*/"The mode is invalid"/*SF*/); |
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423 throw new IllegalArgumentException(/*SF*/"The mode is invalid"/*SF*/); |
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424 } |
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425 } |
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426 |
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427 /** |
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428 * @see javax.microedition.m2g.ScalableGraphics#setTransparency(float) |
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429 */ |
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430 public synchronized void setTransparency(float alpha) |
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431 { |
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432 if (alpha >= MIN_TRANSPARENCY_ALPHA && alpha <= MAX_TRANSPARENCY_ALPHA) |
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433 { |
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434 final float finalAlpha = alpha; |
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435 // Execute in UI thread |
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436 Platform.executeInUIThread( |
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437 new M2GRunnableQt() { |
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438 public void doRun() { |
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439 _setTransparency(getHandle(), finalAlpha); |
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440 } |
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441 } |
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442 ); |
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443 } |
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444 else |
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445 { |
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446 Logger.ELOG(Logger.EJavaUI, |
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447 "setTransparency() - exception: " + /*SF*/"The alpha is out of range"/*SF*/); |
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448 throw new IllegalArgumentException(/*SF*/"The alpha is out of range"/*SF*/); |
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449 } |
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450 } |
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451 |
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452 |
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453 //-------------------------------------------------- |
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454 // NATIVE METHODS |
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455 //-------------------------------------------------- |
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456 private native int _bind( |
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457 int aRenderContextHandle, int aTargetHandle); |
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458 private native int _createRenderContext( |
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459 int aSVGProxyHandle); |
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460 private native void _deleteRenderContext( |
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461 int aRenderContextHandle); |
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462 private native int _release( |
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463 int aSurfaceHandle ,int aRenderContextHandle); |
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464 private native int _renderLCDUI( |
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465 int aRenderContextHandle, int aDocumentHandle, |
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466 int aX, int aY, int aClipX, int aClipY, int aClipW, int aClipH, |
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467 int aSvgW, int aSvgH, float aCurrentTime); |
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468 private native int[] _renderESWT( |
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469 int aRenderContextHandle, int aDocumentHandle, |
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470 int aX, int aY, int aClipX, int aClipY, int aClipW, int aClipH, |
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471 int aSvgW, int aSvgH, float aCurrentTime, int iUseNativeClear); |
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472 private native void _setRenderingQuality( |
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473 int aRenderContextHandle, int aMode); |
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474 private native void _setTransparency( |
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475 int aRenderContextHandle, float aAlpha); |
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476 } |