author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 07:56:43 +0200 | |
changeset 0 | 15bf7259bb7c |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006-2008 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: Implementation of CHuiVg10TextureProcessor. |
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* CHuiVg10TextureProcessor is a concrete implementation of a texture |
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* processor for OpenVG 1.0 |
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* |
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*/ |
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#include "HuiVg10TextureProcessor.h" // Class definition |
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#include "HuiVg10PBufferSurface.h" |
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#include "HuiVg10RenderPlugin.h" |
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#include "uiacceltk/HuiUtil.h" |
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#include "uiacceltk/HuiStatic.h" |
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#include "uiacceltk/HuiPanic.h" |
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#include "uiacceltk/HuiImage.h" |
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#include "HuiRenderSurface.h" |
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#include <VG/openvg.h> |
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CHuiVg10TextureProcessor* CHuiVg10TextureProcessor::NewL(CHuiEnv& aEnv) |
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{ |
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CHuiVg10TextureProcessor* self = CHuiVg10TextureProcessor::NewLC(aEnv); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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CHuiVg10TextureProcessor* CHuiVg10TextureProcessor::NewLC(CHuiEnv& aEnv) |
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{ |
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CHuiVg10TextureProcessor* self = new (ELeave) CHuiVg10TextureProcessor(aEnv); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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return self; |
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} |
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CHuiVg10TextureProcessor::CHuiVg10TextureProcessor(CHuiEnv& aEnv) |
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: CHuiTextureProcessor(aEnv) |
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{ |
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} |
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void CHuiVg10TextureProcessor::ConstructL() |
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{ |
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} |
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CHuiVg10TextureProcessor::~CHuiVg10TextureProcessor() |
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{ |
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} |
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void CHuiVg10TextureProcessor::BlurL(const THuiTextureHandle& aSrc, THuiTextureHandle& aDest, |
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TInt aFilterSize, TInt aFlags) |
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{ |
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// By default, use a quarter of the original size. |
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TSize originalSize = aSrc.Size(); |
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return BlurL(aSrc, aDest, |
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TSize(originalSize.iWidth / 2, originalSize.iHeight / 2), |
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aFilterSize, aFlags); |
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} |
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void CHuiVg10TextureProcessor::BlurL(const THuiTextureHandle& aSrc, |
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THuiTextureHandle& aDest, |
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const TSize& /*aPreferredSize*/, |
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TInt aFilterSize, TInt /*aFlags*/) |
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{ |
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if (!aSrc.HasContent()) |
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{ |
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return; |
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} |
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VGImage src = (VGImage)aSrc.SegmentName(0); |
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if (src == VG_INVALID_HANDLE) |
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{ |
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return; |
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} |
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// If src and dest overlap, openvg cannot handle it. Create temp source as workaround. |
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if (aSrc.Name() == aDest.Name()) |
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{ |
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TInt width = vgGetParameteri(src, VG_IMAGE_WIDTH); |
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TInt height = vgGetParameteri(src, VG_IMAGE_HEIGHT); |
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VGImage tempsrc = vgCreateImage(VG_sRGBA_8888_PRE, width, height, |
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VG_IMAGE_QUALITY_FASTER | VG_IMAGE_QUALITY_NONANTIALIASED); |
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VGImage dest = (VGImage)aDest.SegmentName(0); |
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if (tempsrc == VG_INVALID_HANDLE) |
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105 |
{ |
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HUI_DEBUG(_L("CHuiVg10TextureProcessor::BlurL() - Unable to allocate tempsrc texture.")); |
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107 |
return; |
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108 |
} |
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109 |
|
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110 |
// Copy from dest to tempsrc |
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111 |
vgCopyImage(tempsrc, 0, 0, dest, 0, 0, width, height, VG_FALSE); |
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112 |
|
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if (dest != VG_INVALID_HANDLE) |
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114 |
{ |
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vgGaussianBlur(dest, tempsrc, aFilterSize / 3.0f, aFilterSize / 3.0f, VG_TILE_PAD); |
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116 |
} |
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117 |
|
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118 |
vgDestroyImage(tempsrc); |
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119 |
return; |
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120 |
} |
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121 |
|
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if (!aDest.SegmentCount() || !aDest.SegmentName(0)) |
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123 |
{ |
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// No destination texture, so we must create a new one |
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// TODO: Refactor this to a more proper place |
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TInt width = vgGetParameteri(src, VG_IMAGE_WIDTH); |
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TInt height = vgGetParameteri(src, VG_IMAGE_HEIGHT); |
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VGImage image = vgCreateImage(VG_sRGBA_8888_PRE, width, height, |
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VG_IMAGE_QUALITY_FASTER | VG_IMAGE_QUALITY_NONANTIALIASED); |
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130 |
|
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if (image == VG_INVALID_HANDLE) |
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132 |
{ |
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HUI_DEBUG(_L("CHuiVg10TextureProcessor::BlurL() - Unable to allocate blurred texture.")); |
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134 |
return; |
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135 |
} |
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136 |
|
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aDest.SetName(image); |
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aDest.SetSize(TSize(width, height)); |
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139 |
} |
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140 |
|
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VGImage dest = (VGImage)aDest.SegmentName(0); |
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142 |
|
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143 |
// TODO: EBlurFlagWhite and EBlurFlagBlack |
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144 |
|
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if (src == VG_INVALID_HANDLE || dest == VG_INVALID_HANDLE) |
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146 |
{ |
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147 |
return; |
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148 |
} |
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|
149 |
|
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150 |
vgGaussianBlur(dest, src, aFilterSize / 3.0f, aFilterSize / 3.0f, VG_TILE_PAD); |
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HUI_VG_INVARIANT(); |
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152 |
} |
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|
153 |
|
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154 |
void CHuiVg10TextureProcessor::BlurSegmentedL(const MHuiSegmentedTexture& aSrc, |
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155 |
THuiTextureHandle& aDest, |
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156 |
TInt aFilterSize, TInt aFlags) |
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|
157 |
{ |
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158 |
BlurL(aSrc.Handle(), aDest, aFilterSize, aFlags); |
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159 |
} |
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|
160 |
|
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161 |
void CHuiVg10TextureProcessor::BlurSegmentedL(const MHuiSegmentedTexture& aSrc, |
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162 |
THuiTextureHandle& aDest, |
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163 |
const TSize& aPreferredSize, |
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164 |
TInt aFilterSize, TInt aFlags) |
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|
165 |
{ |
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166 |
BlurL(aSrc.Handle(), aDest, aPreferredSize, aFilterSize, aFlags); |
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167 |
} |
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|
168 |
|
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169 |
void CHuiVg10TextureProcessor::Release() |
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170 |
{ |
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171 |
HUI_DEBUG(_L("CHuiVg10TextureProcessor::Release() - Destroying processing buffer.")); |
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|
172 |
} |
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|
173 |
|
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|
174 |
|
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175 |
void CHuiVg10TextureProcessor::RestoreL() |
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176 |
{ |
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177 |
HUI_DEBUG(_L("CHuiVg10TextureProcessor::RestoreL() - Called.")); |
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178 |
} |