1 /* |
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2 * Copyright (c) 2009 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 // INCLUDE FILES |
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19 |
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20 #include "HgVgMediaWallRenderer.h" |
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21 #include "HgVgHelper.h" |
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22 #include "HgConstants.h" |
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23 #include "HgVgConstants.h" |
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24 |
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25 #include <VG/vgu.h> |
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26 #include <ganes/HgVgItem.h> |
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27 #include <AknUtils.h> |
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28 #include <layoutmetadata.cdl.h> |
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29 #include <AknLayout2ScalableDef.h> |
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30 #include <AknsDrawUtils.h> |
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31 #include <e32math.h> |
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32 |
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33 using namespace HgVgConstants; |
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34 |
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35 const VGfloat KColorByteToFloat(255.0f); |
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36 // Ending position of the left album stack |
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37 const VGfloat KLeftStackEndX(-1.04);//-235.0f); |
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38 // Ending position of the right album stack |
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39 const VGfloat KRightStackStartX(1.04);//235.0f); |
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40 |
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41 // Space between albums in stacks |
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42 const VGfloat KSpaceBetween(1.04);//235); |
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43 |
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44 const TInt KGroundHeightFactor(2); |
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45 const TInt KNumGroundGradientValues(4); |
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46 const VGfloat KGroundGradient[] = { |
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47 0.0f, 0.0f, 0.0f, 1.0f |
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48 }; |
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49 const TInt KGroundVerticesHint(4); |
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50 const TInt KGroundSegmentsHint(4); |
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51 const VGfloat KGroundScale(1.0f); |
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52 const VGfloat KGroundBias(0.0f); |
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53 |
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54 const VGfloat KFov(PI/2); |
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55 |
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56 const VGfloat KFlipAngle(PI); |
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57 |
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58 const VGfloat KQuadVerts[] = |
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59 { |
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60 -1.0f, -1.0f, 0.0f, |
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61 1.0f, -1.0f, 0.0f, |
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62 1.0f, 1.0f, 0.0f, |
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63 -1.0f, 1.0f, 0.0f |
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64 }; |
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65 |
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66 |
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67 // ============================ MEMBER FUNCTIONS =============================== |
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68 |
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69 // ----------------------------------------------------------------------------- |
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70 // CHgVgCoverflowRenderer::NewL() |
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71 // ----------------------------------------------------------------------------- |
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72 // |
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73 CHgVgMediaWallRenderer* CHgVgMediaWallRenderer::NewL(TInt aMaxQuads, const TRect& aRect, |
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74 const TRect& aFrontRect, TReal aZOffset ) |
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75 { |
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76 CHgVgMediaWallRenderer* self = new (ELeave) CHgVgMediaWallRenderer( aRect, |
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77 aFrontRect, aZOffset); |
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78 CleanupStack::PushL( self ); |
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79 self->ConstructL(aMaxQuads); |
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80 CleanupStack::Pop( self ); |
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81 return self; |
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82 } |
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83 |
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84 // ----------------------------------------------------------------------------- |
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85 // CHgVgMediaWallRenderer::ConstructL() |
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86 // Symbian 2nd phase constructor can leave. |
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87 // ----------------------------------------------------------------------------- |
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88 // |
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89 void CHgVgMediaWallRenderer::ConstructL (TInt aMaxQuads) |
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90 { |
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91 for (TInt i = 0; i < aMaxQuads; i++) |
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92 { |
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93 TQuad* q = new (ELeave)TQuad; |
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94 q->iItemIndex = -1; |
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95 iQuads.Append(q); |
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96 } |
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97 CreateGround(); |
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98 } |
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99 |
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100 // ----------------------------------------------------------------------------- |
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101 // CHgVgMediaWallRenderer::CHgVgMediaWallRenderer() |
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102 // C++ default constructor can NOT contain any code, that might leave. |
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103 // ----------------------------------------------------------------------------- |
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104 // |
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105 CHgVgMediaWallRenderer::CHgVgMediaWallRenderer( |
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106 const TRect& aWindowRect, |
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107 const TRect& aFrontRect, |
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108 TReal aZOffset) : |
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109 iRect(aWindowRect), |
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110 iReflectionsEnabled(ETrue), |
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111 iSelectedItemIndex(KSelectedItemIndex), |
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112 iLeftStackEndX(KLeftStackEndX), |
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113 iRightStackStartX(KRightStackStartX), |
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114 iSpaceBetween(KSpaceBetween), |
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115 iFov(KFov), |
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116 iFlipAngle(KFlipAngle) |
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117 { |
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118 AdjustSettingsBasedOnRects(aFrontRect, aZOffset); |
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119 } |
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120 |
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121 // ----------------------------------------------------------------------------- |
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122 // CHgVgScrollBar::~CHgVgScrollBar() |
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123 // Destructor. |
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124 // ----------------------------------------------------------------------------- |
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125 // |
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126 CHgVgMediaWallRenderer::~CHgVgMediaWallRenderer ( ) |
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127 { |
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128 if (iDefaultImage != VG_INVALID_HANDLE) |
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129 vgDestroyImage(iDefaultImage); |
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130 |
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131 if (iChildBlurImage != VG_INVALID_HANDLE) |
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132 vgDestroyImage(iChildBlurImage); |
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133 |
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134 if (iBlurImage != VG_INVALID_HANDLE) |
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135 vgDestroyImage(iBlurImage); |
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136 |
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137 vgDestroyPaint(iGroundPaint); |
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138 vgDestroyPath(iGroundPath); |
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139 |
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140 iQuads.ResetAndDestroy(); |
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141 iSortedQuads.Reset(); |
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142 } |
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143 |
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144 // ----------------------------------------------------------------------------- |
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145 // CHgMediaWallRenderer::SetDefaultImage() |
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146 // Setter for default image used to draw quads. |
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147 // ----------------------------------------------------------------------------- |
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148 // |
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149 void CHgVgMediaWallRenderer::SetDefaultIconL(const CGulIcon& aIcon) |
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150 { |
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151 iDefaultImage = HgVgHelper::CreateVgImageFromIconL(aIcon); |
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152 } |
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153 |
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154 // ----------------------------------------------------------------------------- |
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155 // CHgMediaWallRenderer::SetCameraPosition() |
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156 // Setter for camera position modifier. |
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157 // ----------------------------------------------------------------------------- |
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158 // |
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159 void CHgVgMediaWallRenderer::SetCameraPosition(TReal aX, TReal aY, TReal aZ) |
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160 { |
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161 iCameraX = aX; |
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162 iCameraY = aY; |
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163 iCameraZ = aZ; |
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164 } |
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165 |
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166 // ----------------------------------------------------------------------------- |
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167 // CHgMediaWallRenderer::SetCameraRotation() |
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168 // ----------------------------------------------------------------------------- |
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169 // |
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170 void CHgVgMediaWallRenderer::SetCameraRotation(TReal aAngle) |
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171 { |
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172 iCameraRotation = aAngle; |
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173 } |
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174 |
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175 // ----------------------------------------------------------------------------- |
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176 // CHgVgScrollBar::SortQuads |
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177 // Sorts quads from iQuads to iSortedQuads. |
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178 // ----------------------------------------------------------------------------- |
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179 // |
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180 void CHgVgMediaWallRenderer::SortQuads(TInt aNumQuads) |
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181 { |
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182 |
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183 iSortedQuads.Reset(); |
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184 |
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185 for(TInt i = 0; i < aNumQuads; ++i) |
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186 { |
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187 iSortedQuads.Append(iQuads[i]); |
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188 } |
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189 |
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190 for (TInt i = 1; i < aNumQuads; i++) |
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191 { |
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192 for (int j = 0; j < aNumQuads; j++) |
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193 { |
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194 if( iSortedQuads[i]->iZ > iSortedQuads[j]->iZ ) |
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195 { |
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196 TQuad* q1 = iSortedQuads[i]; |
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197 TQuad* q2 = iSortedQuads[j]; |
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198 iSortedQuads[i] = q2; |
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199 iSortedQuads[j] = q1; |
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200 } |
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201 } |
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202 } |
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203 |
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204 } |
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205 |
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206 |
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207 // ----------------------------------------------------------------------------- |
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208 // CHgVgScrollBar::GetItemIndex |
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209 // gets index of the item under pointer position. |
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210 // ----------------------------------------------------------------------------- |
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211 // |
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212 TInt CHgVgMediaWallRenderer::GetItemIndex(const TPoint& aPointerPosition) const |
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213 { |
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214 for (TInt i = 0; i < iSortedQuads.Count(); i++) |
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215 { |
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216 VGfloat* verts = iSortedQuads[iSortedQuads.Count()-i-1]->iPoints; |
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217 TRect rect; |
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218 HgVgHelper::CalculateBoundingRect(rect, verts, 4, iRect); |
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219 if (rect.Contains(aPointerPosition)) |
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220 { |
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221 TInt index = iSortedQuads.Count()-i-1; |
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222 return iSortedQuads[index]->iItemIndex; |
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223 } |
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224 } |
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225 return KErrNotFound; |
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226 } |
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227 |
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228 |
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229 // ----------------------------------------------------------------------------- |
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230 // CHgVgScrollBar::TransformQuads |
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231 // Draws quads using OpenVG. |
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232 // ----------------------------------------------------------------------------- |
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233 // |
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234 void CHgVgMediaWallRenderer::TransformQuads(TInt aNumVisibleQuads, |
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235 TBool aMirrored, VGfloat aFov, CHgVgMediaWall::THgVgOpeningAnimationType aOpeningAnimationType) |
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236 { |
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237 |
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238 VGfloat scW = (VGfloat) iRect.Width(); |
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239 VGfloat scH = (VGfloat) iRect.Height(); |
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240 |
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241 VGfloat imW = (VGfloat)iImageSize.iWidth; |
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242 VGfloat imH = (VGfloat)iImageSize.iHeight; |
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243 |
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244 // construct mirror matrix |
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245 HgVgHelper::TMatrix mirrorMatrix; |
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246 mirrorMatrix.Scale(1, -1, 1); |
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247 |
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248 // construct camera rotation matrix |
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249 HgVgHelper::TMatrix cameraRotMatrix; |
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250 if (iFlipXY) |
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251 { |
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252 cameraRotMatrix.RotationX(iCameraRotation); |
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253 } |
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254 else |
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255 { |
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256 cameraRotMatrix.RotationY(iCameraRotation); |
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257 } |
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258 |
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259 // mat[0] = transform |
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260 // mat[1] = mirrored transform |
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261 HgVgHelper::TMatrix mat[2]; |
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262 |
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263 VGfloat cameraX = iCameraBaseX + iCameraX; |
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264 VGfloat cameraY = iCameraBaseY + iCameraY; |
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265 VGfloat cameraZ = iCameraBaseZ + iCameraZ; |
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266 |
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267 if (iFlipXY) |
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268 { |
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269 VGfloat foobar = cameraX; |
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270 cameraX = cameraY; |
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271 cameraY = foobar; |
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272 } |
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273 |
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274 // scaling matrix is used to set correct size for the |
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275 // quad by image size |
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276 VGfloat hImW = (VGfloat)KWorldQuadWidth * 0.5f; |
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277 VGfloat hImH = (VGfloat)imH * (KWorldQuadWidth / imW) * 0.5f; |
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278 VGfloat oldHImH = hImH; |
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279 |
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280 // flips image upside down |
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281 HgVgHelper::TMatrix scaleMatrix; |
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282 scaleMatrix.Scale(hImW, -hImH, 1); // negative scale because our all images are updaside down. |
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283 |
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284 TBool deform = |
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285 (aOpeningAnimationType == CHgVgMediaWall::EHgVgOpeningAnimationFlipToFront) || |
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286 (aOpeningAnimationType == CHgVgMediaWall::EHgVgOpeningAnimationZoomToFront); |
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287 |
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288 for (TInt j = 0; j < aNumVisibleQuads; j++) |
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289 { |
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290 TQuad* q = iQuads[j]; |
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291 |
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292 if (q->iFlipped && deform) |
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293 { |
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294 // animate scaling to flipped rect size |
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295 VGfloat newH = (VGfloat)iFlippedHeight * (KWorldQuadWidth / iFlippedWidth) * 0.5f; |
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296 hImH = HgVgHelper::Lerp(hImH, newH, iBlurAlpha); |
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297 mat[0].Identity(); |
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298 mat[0].Scale(hImW, -hImH, 1); |
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299 } |
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300 else |
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301 { |
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302 // restore old normal half image height |
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303 hImH = oldHImH; |
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304 mat[0] = scaleMatrix; |
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305 } |
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306 |
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307 // rotMatrix rotates by quads angle |
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308 HgVgHelper::TMatrix rotMatrix; |
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309 rotMatrix.RotationY(-q->iAngle); |
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310 |
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311 // trMatrix translates by quads position |
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312 HgVgHelper::TMatrix trMatrix; |
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313 trMatrix.Translation(q->iX, q->iY + hImH, q->iZ); |
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314 |
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315 // then rotate |
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316 if (q->iAngle != 0) |
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317 { |
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318 mat[0].Multiply(rotMatrix); |
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319 } |
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320 |
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321 // then translate to position |
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322 mat[0].Multiply(trMatrix); |
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323 |
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324 // construct mirroring matrix |
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325 if (aMirrored) |
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326 { |
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327 mat[1] = mat[0]; |
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328 mat[1].Multiply(mirrorMatrix); |
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329 } |
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330 |
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331 // construct camera translation matrix |
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332 HgVgHelper::TMatrix cameraMatrix; |
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333 cameraMatrix.Translation(-cameraX, -cameraY - hImH, -cameraZ); |
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334 |
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335 // apply camera movement |
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336 mat[0].Multiply(cameraMatrix); |
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337 |
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338 // apply camera rotation hack |
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339 mat[0].Multiply(cameraRotMatrix); |
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340 |
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341 // apply to mirror matrix also |
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342 if (aMirrored) |
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343 { |
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344 mat[1].Multiply(cameraMatrix); |
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345 mat[1].Multiply(cameraRotMatrix); |
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346 } |
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347 |
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348 // transform all points by resulting transformation matrix |
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349 // and project to screen coordinates. |
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350 TInt count = aMirrored ? 2 : 1; |
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351 for (TInt k = 0; k < count; k++) |
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352 { |
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353 VGfloat* tverts = NULL; |
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354 VGfloat* tm = NULL; |
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355 |
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356 if (k == 0) |
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357 { |
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358 tverts = q->iPoints; |
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359 tm = q->iTM; |
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360 } |
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361 else |
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362 { |
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363 tverts = q->iMirroredPoints; |
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364 tm = q->iMirroredTM; |
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365 } |
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366 |
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367 for (TInt i = 0; i < 4; i++) |
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368 { |
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369 |
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370 HgVgHelper::TVertex v; |
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371 |
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372 v.iX = KQuadVerts[i*3+0]; |
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373 v.iY = KQuadVerts[i*3+1]; |
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374 v.iZ = KQuadVerts[i*3+2]; |
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375 |
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376 v.TransformPoint(mat[k]); |
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377 |
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378 v.ProjectPoint(scW, scH, aFov); |
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379 |
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380 tverts[i*2+0] = v.iScreenX; |
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381 tverts[i*2+1] = v.iScreenY; |
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382 |
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383 } |
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384 |
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385 VGImage image = q->iNoImage ? iDefaultImage : q->iImage; |
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386 VGfloat pxWidth = vgGetParameteri(image, VG_IMAGE_WIDTH); |
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387 VGfloat pxHeight = vgGetParameteri(image, VG_IMAGE_HEIGHT); |
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388 |
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389 // use screen coordinates to build warp matrix |
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390 // for rendering the image |
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391 vguComputeWarpQuadToQuad(tverts[0], tverts[1], tverts[2], tverts[3], |
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392 tverts[4], tverts[5], tverts[6], tverts[7], 0, 0, pxWidth, 0, |
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393 pxWidth, pxHeight, 0, pxHeight, tm); |
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394 |
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395 } |
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396 } |
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397 } |
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398 |
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399 // ----------------------------------------------------------------------------- |
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400 // CHgVgScrollBar::DrawQuads |
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401 // Draws quads using OpenVG. |
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402 // ----------------------------------------------------------------------------- |
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403 // |
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404 void CHgVgMediaWallRenderer::DrawQuads(TBool aDrawMirrored) |
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405 { |
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406 |
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407 VGfloat values[] = { 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 0.0, 0.0 }; |
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408 |
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409 vgSeti(VG_COLOR_TRANSFORM, VG_TRUE); |
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410 |
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411 for (TInt j = 0; j < iSortedQuads.Count(); j++) |
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412 { |
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413 TQuad* q = iSortedQuads[j]; |
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414 |
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415 if (q->iAlpha < 0.01f) |
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416 continue; |
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417 |
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418 values[3] = q->iAlpha; |
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419 |
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420 vgSetfv(VG_COLOR_TRANSFORM_VALUES, 8, values); |
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421 |
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422 if (q->iZ < 0) |
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423 continue; |
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424 |
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425 DrawQuad(q, aDrawMirrored); |
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426 |
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427 } |
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428 |
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429 vgSeti(VG_COLOR_TRANSFORM, VG_FALSE); |
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430 |
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431 } |
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432 |
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433 // ----------------------------------------------------------------------------- |
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434 // CHgVgMediaWallRenderer::DrawQuad |
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435 // ----------------------------------------------------------------------------- |
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436 // |
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437 void CHgVgMediaWallRenderer::DrawQuad(CHgVgMediaWallRenderer::TQuad* q, TBool aDrawMirrored) |
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438 { |
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439 vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE); |
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440 vgLoadIdentity(); |
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441 |
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442 //vgTranslate(iOffset.iX, iOffset.iY); |
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443 |
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444 VGImage image = q->iImage; |
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445 if (q->iNoImage) |
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446 { |
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447 image = iDefaultImage; |
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448 } |
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449 |
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450 if (aDrawMirrored) |
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451 { |
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452 vgMultMatrix(q->iMirroredTM); |
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453 } |
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454 else |
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455 { |
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456 vgMultMatrix(q->iTM); |
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457 if ((iBlurImage != VG_INVALID_HANDLE) && (iChildBlurImage != VG_INVALID_HANDLE) && q->iFlipped) |
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458 { |
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459 vgGaussianBlur(iChildBlurImage, image, iBlurDeviationX*iBlurAlpha, |
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460 iBlurDeviationY*iBlurAlpha, VG_TILE_PAD); |
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461 image = iChildBlurImage; |
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462 } |
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463 } |
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464 |
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465 |
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466 vgDrawImage(image); |
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467 } |
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468 |
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469 |
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470 // ----------------------------------------------------------------------------- |
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471 // CHgVgScrollBar::Draw() |
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472 // ----------------------------------------------------------------------------- |
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473 // |
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474 void CHgVgMediaWallRenderer::Draw(RPointerArray<CHgVgItem>& aItems, |
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475 TInt aSelectedIndex, TReal aNextIndex, |
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476 TReal aViewPosition, |
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477 TReal aAnimationAlpha, |
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478 CHgVgMediaWall::THgVgAnimationState aState, |
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479 CHgVgMediaWall::THgVgOpeningAnimationType aSelectionAnimationType, |
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480 CHgVgMediaWall::THgVgMediaWallStyle /*aStyle*/) |
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481 { |
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482 |
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483 TInt itemsOnScreen = 0; |
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484 itemsOnScreen = SetupQuads(aItems, |
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485 aSelectedIndex, aNextIndex, |
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486 aViewPosition, |
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487 aAnimationAlpha, |
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488 aState, aSelectionAnimationType); |
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489 |
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490 TransformAndDraw(itemsOnScreen, aSelectionAnimationType); |
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491 } |
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492 |
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493 |
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494 // --------------------------------------------------------------------------- |
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495 // CHgVgMediaWallRenderer::DrawGrid() |
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496 // --------------------------------------------------------------------------- |
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497 // |
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498 void CHgVgMediaWallRenderer::DrawGrid( |
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499 TInt aRowCount, |
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500 RPointerArray<CHgVgItem>& aItems, |
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501 TReal aViewX, TReal aViewY, |
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502 TInt aCurItem, TInt aPrevItem, |
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503 TReal aAnimationAlpha, |
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504 CHgVgMediaWall::THgVgAnimationState aAnimationState, |
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505 TInt aPickedItem, |
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506 CHgVgMediaWall::THgVgOpeningAnimationType aAnimationType) |
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507 { |
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508 TInt itemsOnScreen = 0; |
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509 |
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510 for (TInt i = 0; i < aRowCount; i++) |
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511 { |
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512 SetupQuadsToRow(i, aRowCount, itemsOnScreen, |
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513 aItems, aViewX, aViewY, aCurItem, aPrevItem, |
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514 aAnimationAlpha, aAnimationState, aPickedItem, |
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515 aAnimationType); |
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516 } |
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517 |
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518 TransformAndDraw(itemsOnScreen, aAnimationType); |
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519 } |
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520 |
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521 |
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522 TReal CHgVgMediaWallRenderer::GetWorldSpaceRowHeight() const |
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523 { |
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524 return (120.0 / 90.0 * 0.25 + 0.02); |
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525 } |
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526 |
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527 |
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528 // --------------------------------------------------------------------------- |
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529 // CHgVgCoverflowRenderer::CreateGround() |
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530 // --------------------------------------------------------------------------- |
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531 // |
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532 void CHgVgMediaWallRenderer::CreateGround() |
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533 { |
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534 iGroundPath = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, KGroundScale, KGroundBias, |
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535 KGroundVerticesHint, KGroundSegmentsHint, (unsigned int)VG_PATH_CAPABILITY_ALL); |
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536 |
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537 vguRect(iGroundPath, 0, 0, 1, 1); |
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538 |
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539 VGfloat gradientStops[] = { |
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540 0, 0.0f, 0.0f, 0.0f, 1.0f, |
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541 0.01f, 0.0f, 0.0f, 0.0f, 0.95f, |
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542 1.0f, 0.0f, 0.0f, 0.0f, 0.0f |
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543 }; |
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544 |
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545 VGfloat groundColor[4]; |
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546 GetGroundColorFromSkin(groundColor); |
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547 |
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548 gradientStops[1] = groundColor[0]; |
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549 gradientStops[2] = groundColor[1]; |
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550 gradientStops[3] = groundColor[2]; |
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551 |
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552 gradientStops[6] = groundColor[0]; |
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553 gradientStops[7] = groundColor[1]; |
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554 gradientStops[8] = groundColor[2]; |
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555 |
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556 gradientStops[11] = groundColor[0]; |
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557 gradientStops[12] = groundColor[1]; |
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558 gradientStops[13] = groundColor[2]; |
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559 |
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560 iGroundPaint = vgCreatePaint(); |
|
561 |
|
562 vgSetParameteri(iGroundPaint, VG_PAINT_TYPE, |
|
563 VG_PAINT_TYPE_LINEAR_GRADIENT); |
|
564 |
|
565 vgSetParameterfv(iGroundPaint, VG_PAINT_LINEAR_GRADIENT, |
|
566 KNumGroundGradientValues, KGroundGradient); |
|
567 |
|
568 vgSetParameteri(iGroundPaint, VG_PAINT_COLOR_RAMP_SPREAD_MODE, |
|
569 VG_COLOR_RAMP_SPREAD_PAD); |
|
570 |
|
571 vgSetParameterfv(iGroundPaint, VG_PAINT_COLOR_RAMP_STOPS, |
|
572 5*3, gradientStops); |
|
573 |
|
574 |
|
575 } |
|
576 |
|
577 // --------------------------------------------------------------------------- |
|
578 // CHgVgCoverflowRenderer::DrawGround() |
|
579 // --------------------------------------------------------------------------- |
|
580 // |
|
581 void CHgVgMediaWallRenderer::DrawGround(TInt aWidth, TInt aHeight) |
|
582 { |
|
583 vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE); |
|
584 vgLoadIdentity(); |
|
585 //vgTranslate(iOffset.iX, iOffset.iY); |
|
586 vgScale(aWidth, aHeight); |
|
587 vgSetPaint(iGroundPaint, VG_FILL_PATH); |
|
588 vgDrawPath(iGroundPath, VG_FILL_PATH); |
|
589 } |
|
590 |
|
591 |
|
592 |
|
593 // --------------------------------------------------------------------------- |
|
594 // CHgVgMediaWallRenderer::SetupQuadsToRow() |
|
595 // --------------------------------------------------------------------------- |
|
596 // |
|
597 void CHgVgMediaWallRenderer::SetupQuadsToRow( |
|
598 TInt aRow, |
|
599 TInt aRowCount, |
|
600 TInt &aItemsOnScreen, |
|
601 RPointerArray<CHgVgItem>& aItems, |
|
602 TReal aViewX, TReal aViewY, |
|
603 TInt aCurItem, TInt aPrevItem, |
|
604 TReal aAnimationAlpha, |
|
605 CHgVgMediaWall::THgVgAnimationState aState, |
|
606 TInt aPickedItem, |
|
607 CHgVgMediaWall::THgVgOpeningAnimationType aAnimationType) |
|
608 { |
|
609 |
|
610 if (aItems.Count() <= 0) |
|
611 return; |
|
612 |
|
613 TReal src = aViewX; |
|
614 TReal frac; |
|
615 Math::Frac(frac, src); |
|
616 VGfloat fDiff = frac; |
|
617 |
|
618 TBool isSelectionToFocusedItem = |
|
619 ( |
|
620 (aState == CHgVgMediaWall::EHgVgMediaWallAnimationStateOpening) || |
|
621 (aState == CHgVgMediaWall::EHgVgMediaWallAnimationStateClosing) || |
|
622 (aState == CHgVgMediaWall::EHgVgMediaWallAnimationStateItemOpened) |
|
623 ) && |
|
624 (aAnimationType != CHgVgMediaWall::EHgVgOpeningAnimationNone); |
|
625 |
|
626 TReal selectionAnimationAlpha = aAnimationAlpha; |
|
627 if (aState == CHgVgMediaWall::EHgVgMediaWallAnimationStateItemOpened) |
|
628 selectionAnimationAlpha = 1.0f; |
|
629 |
|
630 VGfloat leftIndex = (VGfloat)(iSelectedItemIndex - 1); |
|
631 VGfloat leftX = iLeftStackEndX; |
|
632 VGfloat step = iSpaceBetween; |
|
633 |
|
634 if (AknLayoutUtils::LayoutMirrored()) |
|
635 { |
|
636 leftX = iRightStackStartX; |
|
637 step = -step; |
|
638 } |
|
639 |
|
640 TInt i = 0; |
|
641 |
|
642 TInt currentRow = ((TInt)aViewX - (iSelectedItemIndex)) * aRowCount; |
|
643 |
|
644 VGfloat zFar = iZNear; |
|
645 VGfloat zNear = zFar - 0.8; |
|
646 |
|
647 TInt itemsOnRow = 0; |
|
648 |
|
649 TInt selX = aCurItem / 3; |
|
650 TInt selY = aCurItem % 3; |
|
651 |
|
652 TReal div = (TReal)(iQuads.Count()/aRowCount/2-1); |
|
653 |
|
654 while (itemsOnRow < (iQuads.Count()/aRowCount)) |
|
655 { |
|
656 |
|
657 TInt itemIndex = currentRow + i * 3 + aRow; |
|
658 |
|
659 if (itemIndex < 0) |
|
660 { |
|
661 i++; |
|
662 continue; |
|
663 } |
|
664 |
|
665 // all items drawn and at the end of the list, lets bail out. |
|
666 if (itemIndex >= aItems.Count()) |
|
667 { |
|
668 break; |
|
669 } |
|
670 |
|
671 TQuad* q = iQuads[aItemsOnScreen + itemsOnRow]; |
|
672 |
|
673 q->iZ = zFar; |
|
674 q->iAngle = 0; |
|
675 q->iFlipped = EFalse; |
|
676 |
|
677 VGfloat fi = (VGfloat)i - fDiff; |
|
678 |
|
679 q->iX = leftX - step * (leftIndex - fi); |
|
680 q->iAlpha = 1; |
|
681 |
|
682 q->iItemIndex = itemIndex; |
|
683 |
|
684 if (aItems[itemIndex]->VgImage() == VG_INVALID_HANDLE) |
|
685 { |
|
686 q->iNoImage = ETrue; |
|
687 } |
|
688 else |
|
689 { |
|
690 q->iNoImage = EFalse; |
|
691 q->iImage = aItems[itemIndex]->VgImage(); |
|
692 } |
|
693 |
|
694 |
|
695 VGfloat imW = (VGfloat) iImageSize.iWidth; |
|
696 VGfloat imH = (VGfloat) iImageSize.iHeight; |
|
697 |
|
698 // width is constant but same aspect ratio must be preserved |
|
699 VGfloat worldImageHeight = imH * (KWorldQuadWidth / imW); |
|
700 |
|
701 q->iY = (2 - aRow) * (worldImageHeight + KSpaceBetweenGridItems); |
|
702 |
|
703 if (aCurItem != KErrNotFound && itemIndex == aCurItem) |
|
704 { |
|
705 TReal alphaX = 1.0 - Min(Abs(aViewX - (TReal)selX), 1); |
|
706 TReal alphaY = 1.0 - Min(Abs(aViewY - (TReal)selY), 1); |
|
707 |
|
708 q->iZ = HgVgHelper::Lerp(zFar, zNear, Min(alphaX, alphaY)); |
|
709 } |
|
710 else if (aPrevItem != KErrNotFound && itemIndex == aPrevItem) |
|
711 { |
|
712 TReal alphaX = 1.0 - Min(Abs(aViewX - (TReal)selX), 1); |
|
713 TReal alphaY = 1.0 - Min(Abs(aViewY - (TReal)selY), 1); |
|
714 |
|
715 q->iZ = HgVgHelper::Lerp(zFar, zNear, 1.0f - Min(alphaX, alphaY)); |
|
716 } |
|
717 |
|
718 q->iAlpha = HgVgHelper::Lerp(1, 0, Max(0.0, (Abs(q->iX)-1.0) / div)); |
|
719 |
|
720 if (isSelectionToFocusedItem && (itemIndex == aPickedItem)) |
|
721 { |
|
722 q->iAlpha = 1; |
|
723 q->iFlipped = ETrue; |
|
724 iBlurAlpha = selectionAnimationAlpha; |
|
725 ApplyOpeningAnimation(q, selectionAnimationAlpha, zFar, |
|
726 CHgVgMediaWall::EHgVgMediaWallStyleGrid, |
|
727 aAnimationType); |
|
728 } |
|
729 |
|
730 if (iFlipXY) |
|
731 { |
|
732 VGfloat temp = q->iX; |
|
733 q->iX = q->iY; |
|
734 q->iY = -temp; |
|
735 } |
|
736 |
|
737 i++; |
|
738 itemsOnRow++; |
|
739 } |
|
740 |
|
741 aItemsOnScreen += itemsOnRow; |
|
742 |
|
743 } |
|
744 |
|
745 |
|
746 |
|
747 // --------------------------------------------------------------------------- |
|
748 // CHgVgMediaWallRenderer::SetupQuads() |
|
749 // --------------------------------------------------------------------------- |
|
750 // |
|
751 TInt CHgVgMediaWallRenderer::SetupQuads(RPointerArray<CHgVgItem>& aItems, |
|
752 TInt aSelectedIndex, TReal aNextIndex, |
|
753 VGfloat aViewPosition, |
|
754 VGfloat aAnimationAlpha, |
|
755 CHgVgMediaWall::THgVgAnimationState aState, |
|
756 CHgVgMediaWall::THgVgOpeningAnimationType aOpeningAnimationType) |
|
757 { |
|
758 |
|
759 |
|
760 if (aItems.Count() <= 0) |
|
761 return 0; |
|
762 |
|
763 VGfloat selectionAnimationAlpha = aAnimationAlpha; |
|
764 |
|
765 TBool isSelectionToFocusedItem = |
|
766 ((aState == CHgVgMediaWall::EHgVgMediaWallAnimationStateOpening) || |
|
767 (aState == CHgVgMediaWall::EHgVgMediaWallAnimationStateClosing) || |
|
768 (aState == CHgVgMediaWall::EHgVgMediaWallAnimationStateItemOpened)) && |
|
769 (aOpeningAnimationType != CHgVgMediaWall::EHgVgOpeningAnimationNone); |
|
770 |
|
771 if (aState == CHgVgMediaWall::EHgVgMediaWallAnimationStateItemOpened) |
|
772 selectionAnimationAlpha = 1.0f; |
|
773 |
|
774 TReal src = aViewPosition; |
|
775 TReal frac; |
|
776 Math::Frac(frac, src); |
|
777 VGfloat fDiff = frac; |
|
778 |
|
779 VGfloat zFar = iZFar; |
|
780 VGfloat leftIndex = (VGfloat)(iSelectedItemIndex - 1); |
|
781 VGfloat rightIndex = (VGfloat)(iSelectedItemIndex + 1); |
|
782 VGfloat centerIndex = (VGfloat)iSelectedItemIndex; |
|
783 VGfloat leftX = iLeftStackEndX; |
|
784 VGfloat rightX = iRightStackStartX; |
|
785 VGfloat step = iSpaceBetween; |
|
786 VGfloat centerX = 0; |
|
787 |
|
788 if (AknLayoutUtils::LayoutMirrored()) |
|
789 { |
|
790 rightX = iLeftStackEndX; |
|
791 leftX = iRightStackStartX; |
|
792 step = -step; |
|
793 } |
|
794 |
|
795 TInt i = 0; |
|
796 TInt itemsOnScreen = 0; |
|
797 TInt currentRow = (TInt)aViewPosition - KSelectedItemIndex; |
|
798 |
|
799 TReal dist = Min(Max(0, Abs(aNextIndex - aViewPosition) - 1.0f), 1.0f); |
|
800 VGfloat zNear = HgVgHelper::Lerp(iZNear, iZFar, dist); |
|
801 |
|
802 while (itemsOnScreen < iQuads.Count()) |
|
803 { |
|
804 TInt itemIndex = currentRow + i; |
|
805 |
|
806 if (itemIndex < 0) |
|
807 { |
|
808 i++; |
|
809 continue; |
|
810 } |
|
811 |
|
812 if (itemIndex >= aItems.Count()) |
|
813 { |
|
814 break; |
|
815 } |
|
816 |
|
817 TQuad* q = iQuads[itemsOnScreen]; |
|
818 |
|
819 q->iY = 0; |
|
820 q->iZ = zFar; |
|
821 q->iAngle = 0; |
|
822 q->iFlipped = EFalse; |
|
823 |
|
824 VGfloat fi = (VGfloat)i - fDiff; |
|
825 |
|
826 if (fi < leftIndex) |
|
827 { |
|
828 q->iX = leftX - step * (leftIndex - fi); |
|
829 } |
|
830 else if (fi >= leftIndex && fi < centerIndex) |
|
831 { |
|
832 q->iX = HgVgHelper::Lerp(leftX, centerX, fi - leftIndex); |
|
833 q->iZ = HgVgHelper::Lerp(zFar, zNear, fi - leftIndex); |
|
834 } |
|
835 else if (fi >= centerIndex && fi < rightIndex) |
|
836 { |
|
837 q->iX = HgVgHelper::Lerp(centerX, rightX, fi - centerIndex); |
|
838 q->iZ = HgVgHelper::Lerp(zNear, zFar, fi - centerIndex); |
|
839 } |
|
840 else if (fi >= rightIndex) |
|
841 { |
|
842 q->iX = rightX + step * (fi - rightIndex); |
|
843 } |
|
844 |
|
845 q->iAlpha = HgVgHelper::Lerp(1, 0, Max(0.0, (Abs(q->iX)-2.0) / (TReal)(iQuads.Count()/2-2))); |
|
846 |
|
847 |
|
848 q->iItemIndex = itemIndex; |
|
849 |
|
850 if (aItems[itemIndex]->VgImage() == VG_INVALID_HANDLE) |
|
851 { |
|
852 q->iNoImage = ETrue; |
|
853 } |
|
854 else |
|
855 { |
|
856 q->iNoImage = EFalse; |
|
857 q->iImage = aItems[itemIndex]->VgImage(); |
|
858 } |
|
859 |
|
860 if (isSelectionToFocusedItem && (itemIndex == aSelectedIndex)) |
|
861 { |
|
862 q->iAlpha = 1; |
|
863 q->iFlipped = ETrue; |
|
864 iBlurAlpha = selectionAnimationAlpha; |
|
865 ApplyOpeningAnimation(q, selectionAnimationAlpha, zNear, |
|
866 CHgVgMediaWall::EHgVgMediaWallStyleCoverflowFullScreen, |
|
867 aOpeningAnimationType); |
|
868 } |
|
869 |
|
870 i++; |
|
871 itemsOnScreen++; |
|
872 } |
|
873 |
|
874 return itemsOnScreen; |
|
875 } |
|
876 |
|
877 |
|
878 // --------------------------------------------------------------------------- |
|
879 // CHgVgMediaWallRenderer::ApplyFlipAnimation() |
|
880 // --------------------------------------------------------------------------- |
|
881 // |
|
882 void CHgVgMediaWallRenderer::ApplyOpeningAnimation(CHgVgMediaWallRenderer::TQuad* aQuad, |
|
883 TReal aAnimationAlpha, TReal aZNear, CHgVgMediaWall::THgVgMediaWallStyle /*aMediaWallStyle*/, |
|
884 CHgVgMediaWall::THgVgOpeningAnimationType aAnimationStyle) |
|
885 { |
|
886 VGfloat wz = 0.0f; |
|
887 VGfloat wy = (iCameraBaseY + iCameraY); |
|
888 VGfloat wx = (iCameraBaseX + iCameraX); |
|
889 VGfloat angle = 0; |
|
890 |
|
891 if (aAnimationStyle == CHgVgMediaWall::EHgVgOpeningAnimationFlipToFront) |
|
892 { |
|
893 wz = iFlippedZ; |
|
894 angle = iFlipAngle; |
|
895 wx += iFlippedX; |
|
896 wy += iFlippedY; |
|
897 } |
|
898 else if (aAnimationStyle == CHgVgMediaWall::EHgVgOpeningAnimationZoomToFront) |
|
899 { |
|
900 wz = iFlippedZ; |
|
901 wx += iFlippedX; |
|
902 wy += iFlippedY; |
|
903 } |
|
904 |
|
905 if (iBlurImage != VG_INVALID_HANDLE) |
|
906 { |
|
907 VGImage image = aQuad->iNoImage ? iDefaultImage : aQuad->iImage; |
|
908 UpdateBlurChildImage(image); |
|
909 } |
|
910 |
|
911 aQuad->iZ = HgVgHelper::Lerp(aZNear, wz, aAnimationAlpha); |
|
912 aQuad->iX = HgVgHelper::Lerp(aQuad->iX, wx, aAnimationAlpha); |
|
913 aQuad->iY = HgVgHelper::Lerp(aQuad->iY, wy, aAnimationAlpha); |
|
914 aQuad->iAngle = -aAnimationAlpha * angle; |
|
915 } |
|
916 |
|
917 // --------------------------------------------------------------------------- |
|
918 // CHgVgMediaWallRenderer::GetGroundColorFromSkin() |
|
919 // --------------------------------------------------------------------------- |
|
920 // |
|
921 void CHgVgMediaWallRenderer::GetGroundColorFromSkin(VGfloat* aColor) |
|
922 { |
|
923 TRgb color(KRgbBlack); |
|
924 // get text color from skin |
|
925 if ( AknsUtils::AvkonSkinEnabled() ) |
|
926 { |
|
927 // this does not modify color unless it gets a correct one |
|
928 // no real need to check errors |
|
929 AknsUtils::GetCachedColor( |
|
930 AknsUtils::SkinInstance(), |
|
931 color, |
|
932 KAknsIIDQsnTextColors, |
|
933 EAknsCIQsnTextColorsCG6 ); |
|
934 } |
|
935 |
|
936 if (color.Blue() < 128) |
|
937 color = KRgbWhite; |
|
938 else |
|
939 color = KRgbBlack; |
|
940 |
|
941 aColor[0] = (VGfloat)color.Red() / KColorByteToFloat; |
|
942 aColor[1] = (VGfloat)color.Green() / KColorByteToFloat; |
|
943 aColor[2] = (VGfloat)color.Blue() / KColorByteToFloat; |
|
944 aColor[3] = 1.0f; |
|
945 } |
|
946 |
|
947 // --------------------------------------------------------------------------- |
|
948 // CHgVgMediaWallRenderer::HandleSkinChange() |
|
949 // --------------------------------------------------------------------------- |
|
950 // |
|
951 void CHgVgMediaWallRenderer::HandleSkinChange() |
|
952 { |
|
953 vgDestroyPaint(iGroundPaint); |
|
954 vgDestroyPath(iGroundPath); |
|
955 CreateGround(); |
|
956 } |
|
957 |
|
958 // --------------------------------------------------------------------------- |
|
959 // CHgVgMediaWallRenderer::AdjustSettingsBaseOnFrontRect() |
|
960 // --------------------------------------------------------------------------- |
|
961 // |
|
962 void CHgVgMediaWallRenderer::AdjustSettingsBasedOnRects(const TRect& aFrontRect, |
|
963 TReal aZOffset) |
|
964 { |
|
965 |
|
966 // size of the images should be the same as given for aFrontRect |
|
967 iImageSize = aFrontRect.Size(); |
|
968 |
|
969 // calculate screen center point |
|
970 TPoint center(iRect.Width()/2, iRect.Height()/2); |
|
971 |
|
972 // near z coordinate is calculated so that the size of the quad at front matches |
|
973 // aFrontRect |
|
974 iZNear = GetZInWorldSpaceBasedOnWidth(aFrontRect.Width()); |
|
975 iZFar = iZNear + aZOffset; |
|
976 |
|
977 // width is always constant |
|
978 VGfloat ImW = KWorldQuadWidth; |
|
979 // height is altered by image aspect ratio |
|
980 VGfloat ImH = (VGfloat)(iImageSize.iHeight) * (KWorldQuadWidth / (VGfloat)iImageSize.iWidth); |
|
981 |
|
982 // camera coordinates are altered so that the front quad |
|
983 // is at correct place |
|
984 VGfloat deltaX = aFrontRect.Center().iX - center.iX; |
|
985 VGfloat deltaY = aFrontRect.Center().iY - center.iY; |
|
986 |
|
987 iCameraBaseX = ImW * (deltaX / (VGfloat)iImageSize.iWidth); |
|
988 iCameraBaseY = ImH * (deltaY / (VGfloat)iImageSize.iHeight); |
|
989 iCameraBaseZ = 0; |
|
990 |
|
991 } |
|
992 |
|
993 |
|
994 void CHgVgMediaWallRenderer::TransformAndDraw(TInt itemsOnScreen, |
|
995 CHgVgMediaWall::THgVgOpeningAnimationType aOpeningAnimationType) |
|
996 { |
|
997 /* |
|
998 vgSeti( VG_SCISSORING, VG_TRUE ); |
|
999 VGfloat rects[4]; |
|
1000 rects[0]= 0; |
|
1001 rects[1]= 0; |
|
1002 rects[2]= iRect.Width(); |
|
1003 rects[3]= iRect.Height(); |
|
1004 vgSetfv( VG_SCISSOR_RECTS, 4, rects ); |
|
1005 */ |
|
1006 vgSeti( VG_SCISSORING, VG_FALSE ); |
|
1007 |
|
1008 if (itemsOnScreen > 0) |
|
1009 { |
|
1010 |
|
1011 // draw reflections |
|
1012 |
|
1013 TransformQuads(itemsOnScreen, |
|
1014 iReflectionsEnabled, iFov, aOpeningAnimationType); |
|
1015 |
|
1016 SortQuads(itemsOnScreen); |
|
1017 |
|
1018 if (iReflectionsEnabled) |
|
1019 DrawQuads(ETrue); |
|
1020 |
|
1021 DrawGround(iRect.Width(), iRect.Height() / KGroundHeightFactor); |
|
1022 |
|
1023 DrawQuads(EFalse); |
|
1024 |
|
1025 } |
|
1026 else |
|
1027 { |
|
1028 |
|
1029 // if no items exists, just draw ground plane. |
|
1030 DrawGround(iRect.Width(), iRect.Height() / KGroundHeightFactor); |
|
1031 |
|
1032 } |
|
1033 |
|
1034 //vgSeti( VG_SCISSORING, VG_FALSE ); |
|
1035 |
|
1036 } |
|
1037 |
|
1038 void CHgVgMediaWallRenderer::SetReflections(TBool aEnabled) |
|
1039 { |
|
1040 iReflectionsEnabled = aEnabled; |
|
1041 } |
|
1042 |
|
1043 TBool CHgVgMediaWallRenderer::ReflectionsEnabled() const |
|
1044 { |
|
1045 return iReflectionsEnabled; |
|
1046 } |
|
1047 |
|
1048 TSize CHgVgMediaWallRenderer::ImageSize() const |
|
1049 { |
|
1050 return iImageSize; |
|
1051 } |
|
1052 |
|
1053 |
|
1054 void CHgVgMediaWallRenderer::SetFlippedRect(const TRect& aFlippedRect) |
|
1055 { |
|
1056 iFlippedWidth = aFlippedRect.Width(); |
|
1057 iFlippedHeight = aFlippedRect.Height(); |
|
1058 iFlippedZ = GetZInWorldSpaceBasedOnWidth(aFlippedRect.Width()); |
|
1059 TPoint center = iRect.Center(); |
|
1060 |
|
1061 VGfloat ImW = KWorldQuadWidth; |
|
1062 VGfloat ImH = (VGfloat)(iImageSize.iHeight) * (KWorldQuadWidth / (VGfloat)iImageSize.iWidth); |
|
1063 VGfloat deltaX = aFlippedRect.Center().iX - center.iX; |
|
1064 VGfloat deltaY = aFlippedRect.Center().iY - center.iY; |
|
1065 |
|
1066 iFlippedY = -ImH * (deltaY / (VGfloat)aFlippedRect.Height()); |
|
1067 iFlippedX = ImW * (deltaX / (VGfloat)aFlippedRect.Width()); |
|
1068 } |
|
1069 |
|
1070 VGfloat CHgVgMediaWallRenderer::GetZInWorldSpaceBasedOnWidth(VGfloat aWidth) |
|
1071 { |
|
1072 |
|
1073 // calculate screen center point |
|
1074 TPoint center(iRect.Width()/2, iRect.Height()/2); |
|
1075 |
|
1076 // Z-coordinate is set so that the front quad has |
|
1077 // the correct size |
|
1078 TReal hw = iRect.Width() * 0.5f; |
|
1079 TReal alpha = iFov / 2.0f; |
|
1080 TReal tanAlpha; |
|
1081 Math::Tan(tanAlpha, alpha); |
|
1082 TReal d = hw / tanAlpha; |
|
1083 |
|
1084 return (d * (-KWorldQuadWidth/2)) / ((TReal)(center.iX - aWidth/2) - hw); |
|
1085 |
|
1086 } |
|
1087 |
|
1088 void CHgVgMediaWallRenderer::SetFlipAngle(TReal aAngle) |
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1089 { |
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1090 iFlipAngle = aAngle; |
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1091 } |
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1092 |
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1093 |
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1094 void CHgVgMediaWallRenderer::EnableBlurOnFlip(TBool aEnabled, TReal aBlurX, TReal aBlurY) |
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1095 { |
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1096 if (iBlurImage != VG_INVALID_HANDLE) |
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1097 { |
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1098 vgDestroyImage(iBlurImage); |
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1099 iBlurImage = VG_INVALID_HANDLE; |
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1100 } |
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1101 if (aEnabled) |
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1102 { |
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1103 iBlurDeviationX = aBlurX; |
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1104 iBlurDeviationY = aBlurY; |
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1105 iBlurImage = vgCreateImage(VG_sRGBA_8888_PRE, iImageSize.iWidth, iImageSize.iHeight, |
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1106 VG_IMAGE_QUALITY_NONANTIALIASED); |
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1107 } |
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1108 } |
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1109 |
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1110 void CHgVgMediaWallRenderer::UpdateBlurChildImage(VGImage aImage) |
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1111 { |
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1112 VGint width = vgGetParameteri(aImage, VG_IMAGE_WIDTH); |
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1113 VGint height = vgGetParameteri(aImage, VG_IMAGE_HEIGHT); |
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1114 |
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1115 if (iBlurImageWidth != width || iBlurImageHeight != height) |
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1116 { |
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1117 vgDestroyImage(iChildBlurImage); |
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1118 iChildBlurImage = vgChildImage(iBlurImage, 0, 0, width, height); |
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1119 iBlurImageWidth = width; |
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1120 iBlurImageHeight = height; |
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1121 } |
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1122 } |
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1123 |
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1124 |
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1125 void CHgVgMediaWallRenderer::SetOffset(const TPoint& aOffset) |
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1126 { |
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1127 iOffset = aOffset; |
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1128 } |
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1129 |
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1130 void CHgVgMediaWallRenderer::EnableFlipXY(TBool aEnabled) |
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1131 { |
|
1132 iFlipXY = aEnabled; |
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1133 } |
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1134 |
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1135 // End of File |
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