author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 09 Jun 2010 10:41:25 +0300 | |
branch | RCL_3 |
changeset 34 | 3a60ebea00d0 |
parent 0 | 15bf7259bb7c |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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#include "HuiFxVg10TransformFilter.h" |
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#include <math.h> |
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#include "HuiFxConstants.h" |
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|
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|
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CHuiFxVg10TransformFilter* CHuiFxVg10TransformFilter::NewL() |
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{ |
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CHuiFxVg10TransformFilter* self = new (ELeave) CHuiFxVg10TransformFilter(); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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CleanupStack::Pop( self ); |
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return self; |
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} |
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void CHuiFxVg10TransformFilter::ConstructL() |
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{ |
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CHuiFxFilter::ConstructL(); |
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iTranslationX = 0.0f; |
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iTranslationY = 0.0f; |
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iTranslationZ = 0.0f; |
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|
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iScaleX = 1.0f; |
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iScaleY = 1.0f; |
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iScaleZ = 1.0f; |
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iScaleOriginX = 0.0f; |
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iScaleOriginY = 0.0f; |
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iScaleOriginZ = 0.0f; |
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|
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iRotationOriginX = 0.0f; |
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iRotationOriginY = 0.0f; |
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iRotationOriginZ = 0.0f; |
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iRotationAngle = 0.0f; |
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iRotationAxisX = 0.0f; |
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iRotationAxisY = 0.0f; |
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iRotationAxisZ = 1.0f; |
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|
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iSkewAngleX = 0.0f; |
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iSkewAngleY = 0.0f; |
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iSkewAngleZ = 0.0f; |
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iSkewOriginX = 0.0f; |
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iSkewOriginY = 0.0f; |
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iSkewOriginZ = 0.0f; |
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|
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RegisterParameterL(KLitTranslationX, &iTranslationX); |
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RegisterParameterL(KLitTranslationY, &iTranslationY); |
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RegisterParameterL(KLitTranslationZ, &iTranslationZ); |
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|
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RegisterParameterL(KLitScaleX, &iScaleX); |
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RegisterParameterL(KLitScaleY, &iScaleY); |
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RegisterParameterL(KLitScaleZ, &iScaleZ); |
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RegisterParameterL(KLitScaleOriginX, &iScaleOriginX); |
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RegisterParameterL(KLitScaleOriginY, &iScaleOriginY); |
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RegisterParameterL(KLitScaleOriginZ, &iScaleOriginZ); |
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|
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RegisterParameterL(KLitRotationOriginX, &iRotationOriginX); |
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RegisterParameterL(KLitRotationOriginY, &iRotationOriginY); |
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RegisterParameterL(KLitRotationOriginZ, &iRotationOriginZ); |
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RegisterParameterL(KLitRotationAngle, &iRotationAngle); |
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RegisterParameterL(KLitRotationAxisX, &iRotationAxisX); |
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RegisterParameterL(KLitRotationAxisY, &iRotationAxisY); |
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RegisterParameterL(KLitRotationAxisZ, &iRotationAxisZ); |
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|
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RegisterParameterL(KLitSkewAngleX, &iSkewAngleX); |
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RegisterParameterL(KLitSkewAngleY, &iSkewAngleY); |
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RegisterParameterL(KLitSkewAngleZ, &iSkewAngleZ); |
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RegisterParameterL(KLitSkewOriginX, &iSkewOriginX); |
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RegisterParameterL(KLitSkewOriginY, &iSkewOriginY); |
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RegisterParameterL(KLitSkewOriginZ, &iSkewOriginZ); |
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} |
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|
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CHuiFxVg10TransformFilter *CHuiFxVg10TransformFilter::CloneL() const |
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{ |
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CHuiFxVg10TransformFilter *filter = new(ELeave)CHuiFxVg10TransformFilter; |
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filter->CHuiFxFilter::CopyFromL(this); |
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filter->iTranslationX = iTranslationX; |
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filter->iTranslationY = iTranslationY; |
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filter->iTranslationZ = iTranslationZ; |
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|
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filter->iScaleX = iScaleX; |
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filter->iScaleY = iScaleY; |
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filter->iScaleZ = iScaleZ; |
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filter->iScaleOriginX = iScaleOriginX; |
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filter->iScaleOriginY = iScaleOriginY; |
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filter->iScaleOriginZ = iScaleOriginZ; |
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|
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diff
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|
102 |
filter->iRotationOriginX = iRotationOriginX; |
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Revision: 201003
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parents:
diff
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|
103 |
filter->iRotationOriginY = iRotationOriginY; |
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Revision: 201003
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diff
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|
104 |
filter->iRotationOriginZ = iRotationOriginZ; |
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Revision: 201003
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parents:
diff
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|
105 |
filter->iRotationAngle = iRotationAngle; |
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Revision: 201003
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parents:
diff
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|
106 |
filter->iRotationAxisX = iRotationAxisX; |
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Revision: 201003
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parents:
diff
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|
107 |
filter->iRotationAxisY = iRotationAxisY; |
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Revision: 201003
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parents:
diff
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|
108 |
filter->iRotationAxisZ = iRotationAxisZ; |
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Revision: 201003
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parents:
diff
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|
109 |
|
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Revision: 201003
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diff
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|
110 |
filter->iSkewAngleX = iSkewAngleX; |
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Revision: 201003
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parents:
diff
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|
111 |
filter->iSkewAngleY = iSkewAngleY; |
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Revision: 201003
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parents:
diff
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|
112 |
filter->iSkewAngleZ = iSkewAngleZ; |
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Revision: 201003
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parents:
diff
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|
113 |
filter->iSkewOriginX = iSkewOriginX; |
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Revision: 201003
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parents:
diff
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|
114 |
filter->iSkewOriginY = iSkewOriginY; |
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Revision: 201003
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parents:
diff
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|
115 |
filter->iSkewOriginZ = iSkewOriginZ; |
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Revision: 201003
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parents:
diff
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|
116 |
|
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Revision: 201003
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parents:
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|
117 |
filter->CopyParameterL(KLitTranslationX, &filter->iTranslationX, this); |
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Revision: 201003
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|
118 |
filter->CopyParameterL(KLitTranslationY, &filter->iTranslationY, this); |
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Revision: 201003
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|
119 |
filter->CopyParameterL(KLitTranslationZ, &filter->iTranslationZ, this); |
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Revision: 201003
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|
120 |
|
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Revision: 201003
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|
121 |
filter->CopyParameterL(KLitScaleX, &filter->iScaleX, this); |
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Revision: 201003
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|
122 |
filter->CopyParameterL(KLitScaleY, &filter->iScaleY, this); |
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Revision: 201003
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parents:
diff
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|
123 |
filter->CopyParameterL(KLitScaleZ, &filter->iScaleZ, this); |
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Revision: 201003
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diff
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|
124 |
filter->CopyParameterL(KLitScaleOriginX, &filter->iScaleOriginX, this); |
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Revision: 201003
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|
125 |
filter->CopyParameterL(KLitScaleOriginY, &filter->iScaleOriginY, this); |
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diff
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|
126 |
filter->CopyParameterL(KLitScaleOriginZ, &filter->iScaleOriginZ, this); |
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|
127 |
|
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diff
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|
128 |
filter->CopyParameterL(KLitRotationOriginX, &filter->iRotationOriginX, this); |
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diff
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|
129 |
filter->CopyParameterL(KLitRotationOriginY, &filter->iRotationOriginY, this); |
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Revision: 201003
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parents:
diff
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|
130 |
filter->CopyParameterL(KLitRotationOriginZ, &filter->iRotationOriginZ, this); |
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Revision: 201003
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parents:
diff
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|
131 |
filter->CopyParameterL(KLitRotationAngle, &filter->iRotationAngle, this); |
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Revision: 201003
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parents:
diff
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|
132 |
filter->CopyParameterL(KLitRotationAxisX, &filter->iRotationAxisX, this); |
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Revision: 201003
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parents:
diff
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|
133 |
filter->CopyParameterL(KLitRotationAxisY, &filter->iRotationAxisY, this); |
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Revision: 201003
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parents:
diff
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|
134 |
filter->CopyParameterL(KLitRotationAxisZ, &filter->iRotationAxisZ, this); |
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Revision: 201003
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parents:
diff
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|
135 |
|
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Revision: 201003
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|
136 |
filter->CopyParameterL(KLitSkewAngleX, &filter->iSkewAngleX, this); |
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Revision: 201003
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parents:
diff
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|
137 |
filter->CopyParameterL(KLitSkewAngleY, &filter->iSkewAngleY, this); |
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Revision: 201003
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parents:
diff
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|
138 |
filter->CopyParameterL(KLitSkewAngleZ, &filter->iSkewAngleZ, this); |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
139 |
filter->CopyParameterL(KLitSkewOriginX, &filter->iSkewOriginX, this); |
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Revision: 201003
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parents:
diff
changeset
|
140 |
filter->CopyParameterL(KLitSkewOriginY, &filter->iSkewOriginY, this); |
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Revision: 201003
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parents:
diff
changeset
|
141 |
filter->CopyParameterL(KLitSkewOriginZ, &filter->iSkewOriginZ, this); |
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Revision: 201003
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parents:
diff
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|
142 |
return filter; |
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Revision: 201003
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parents:
diff
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|
143 |
} |
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Revision: 201003
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diff
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|
144 |
|
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Revision: 201003
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parents:
diff
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|
145 |
|
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Revision: 201003
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|
146 |
void CHuiFxVg10TransformFilter::CalculateMargin(TMargins &aMargin) const |
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|
147 |
{ |
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Revision: 201003
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|
148 |
aMargin.iLeft = iTranslationX < 0.0 ? -iTranslationX : 0.0; |
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Revision: 201003
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parents:
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|
149 |
aMargin.iRight = iTranslationX > 0.0 ? iTranslationX : 0.0; |
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Revision: 201003
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parents:
diff
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|
150 |
aMargin.iTop = iTranslationY < 0.0 ? -iTranslationY : 0.0; |
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Revision: 201003
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parents:
diff
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|
151 |
aMargin.iBottom = iTranslationY > 0.0 ? iTranslationY : 0.0; |
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Revision: 201003
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parents:
diff
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|
152 |
// TODO, how to deal with translationZ/ scale / rotation / skew? |
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Revision: 201003
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diff
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|
153 |
} |
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Revision: 201003
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parents:
diff
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|
154 |
|
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Revision: 201003
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parents:
diff
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|
155 |
TBool CHuiFxVg10TransformFilter::Draw(CHuiFxEngine& /*aEngine*/, CHuiGc& /*aGc*/, |
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Revision: 201003
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parents:
diff
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|
156 |
CHuiFxRenderbuffer& aTarget, CHuiFxRenderbuffer& aSource, |
34
3a60ebea00d0
Revision: 201022
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parents:
0
diff
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|
157 |
const TRect& /*aTargetRect*/, const TRect& aSourceRect, TBool /*aHasSurface*/) |
0
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Revision: 201003
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diff
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|
158 |
{ |
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Revision: 201003
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parents:
diff
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|
159 |
aSource.BindAsTexture(ERenderbufferUsageReadOnly); |
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Revision: 201003
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parents:
diff
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|
160 |
aTarget.BindAsRenderTarget(); |
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Revision: 201003
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parents:
diff
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|
161 |
|
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Revision: 201003
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parents:
diff
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|
162 |
VGImage srcImage = (reinterpret_cast<CHuiFxVg10RenderbufferBase*>(&aSource))->AcquireSubImage(aSourceRect); |
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Revision: 201003
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parents:
diff
changeset
|
163 |
|
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Revision: 201003
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parents:
diff
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|
164 |
vgLoadIdentity(); |
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Revision: 201003
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parents:
diff
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|
165 |
vgScale(iScaleX, iScaleY); |
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Revision: 201003
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parents:
diff
changeset
|
166 |
vgSeti(VG_BLEND_MODE, VG_BLEND_SRC); |
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Revision: 201003
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parents:
diff
changeset
|
167 |
vgSeti(VG_IMAGE_MODE, VG_DRAW_IMAGE_NORMAL); |
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Revision: 201003
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parents:
diff
changeset
|
168 |
|
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Revision: 201003
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parents:
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|
169 |
identity(); |
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Revision: 201003
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parents:
diff
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|
170 |
|
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Revision: 201003
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parents:
diff
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|
171 |
// Matrix multiplication is generally not commutative. |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
172 |
// Therefore the order of the transformations matters. |
15bf7259bb7c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
173 |
// In order to prevent the scaling ang skewing from affecting the translation, |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
174 |
// if seems wiser to do the translation first, otherwise the results seem to be unpredictable. |
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Revision: 201003
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parents:
diff
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|
175 |
|
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Revision: 201003
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parents:
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|
176 |
// Translation |
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Revision: 201003
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parents:
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|
177 |
if (iTranslationX != 0.0f || iTranslationY != 0.0f || iTranslationZ != 0.0f) |
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Revision: 201003
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parents:
diff
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|
178 |
{ |
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Revision: 201003
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parents:
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|
179 |
translate(iTranslationX, iTranslationY, iTranslationZ); |
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parents:
diff
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|
180 |
} |
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Revision: 201003
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parents:
diff
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|
181 |
|
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Revision: 201003
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parents:
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|
182 |
// Scaling |
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Revision: 201003
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|
183 |
if (iScaleX != 1.0f || iScaleY != 1.0f || iScaleZ != 1.0f) |
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Revision: 201003
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parents:
diff
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|
184 |
{ |
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Revision: 201003
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parents:
diff
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|
185 |
translate(iScaleOriginX, iScaleOriginY, iScaleOriginZ); |
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Revision: 201003
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parents:
diff
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|
186 |
scale(iScaleX, iScaleY, iScaleZ); |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
187 |
translate(-iScaleOriginX, -iScaleOriginY, -iScaleOriginZ); |
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Revision: 201003
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parents:
diff
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|
188 |
} |
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Revision: 201003
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parents:
diff
changeset
|
189 |
|
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Revision: 201003
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parents:
diff
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|
190 |
// Skewing |
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Revision: 201003
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parents:
diff
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|
191 |
if (iSkewAngleX != 0.0f || iSkewAngleY != 0.0f || iSkewAngleZ != 0.0f) |
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Revision: 201003
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parents:
diff
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|
192 |
{ |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
193 |
const TReal32 radsPerDeg = 2.0f * (float)M_PI / 360.0f; |
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Revision: 201003
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parents:
diff
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|
194 |
TReal32 skewX = tan(iSkewAngleX * radsPerDeg); |
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Revision: 201003
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parents:
diff
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|
195 |
TReal32 skewY = tan(iSkewAngleY * radsPerDeg); |
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Revision: 201003
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parents:
diff
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|
196 |
TReal32 skewZ = tan(iSkewAngleZ * radsPerDeg); |
15bf7259bb7c
Revision: 201003
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parents:
diff
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|
197 |
translate(iSkewOriginX, iSkewOriginY, iSkewOriginZ); |
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Revision: 201003
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parents:
diff
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|
198 |
shear(skewX, skewY, skewZ); |
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translate(-iSkewOriginX, -iSkewOriginY, -iSkewOriginZ); |
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} |
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|
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// Rotation |
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if (iRotationAngle != 0.0f) |
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{ |
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translate(iRotationOriginX, iRotationOriginY, iRotationOriginZ); |
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rotate(iRotationAngle, iRotationAxisX, iRotationAxisY, iRotationAxisZ); |
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translate(-iRotationOriginX, -iRotationOriginY, -iRotationOriginZ); |
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} |
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|
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/* |
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// Translation |
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if (iTranslationX != 0.0f || iTranslationY != 0.0f || iTranslationZ != 0.0f) |
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{ |
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translate(iTranslationX, iTranslationY, iTranslationZ); |
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} |
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*/ |
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|
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ASSERT(!"TODO: implement the following:"); |
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// TODO: project vertices |
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// TODO: create warp quad matrix from projected vertices, |
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// see http://torus.untergrund.net/misc/projective_image_warping.pdf |
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// TODO load matrix |
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vgDrawImage(srcImage); |
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|
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// TODO: pixel relative parameters |
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HUIFX_VG_INVARIANT(); |
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(reinterpret_cast<CHuiFxVg10RenderbufferBase*>(&aSource))->ReleaseSubImage(srcImage); |
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|
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aTarget.UnbindAsRenderTarget(); |
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aSource.UnbindAsTexture(); |
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|
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return ETrue; |
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} |