author | Mikael Laine <mikael.laine@ixonos.com> |
Fri, 29 Jan 2010 13:53:17 +0200 | |
changeset 1 | edfc90759b9f |
permissions | -rw-r--r-- |
1
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Committing the Image Editor package under the Eclipse Public License
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/* |
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Committing the Image Editor package under the Eclipse Public License
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* Copyright (c) 2010 Ixonos Plc. |
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* All rights reserved. |
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Committing the Image Editor package under the Eclipse Public License
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* This component and the accompanying materials are made available |
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* under the terms of the "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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Committing the Image Editor package under the Eclipse Public License
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* Nokia Corporation - Initial contribution |
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* |
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* Contributors: |
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* Ixonos Plc |
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* |
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* Description: |
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Committing the Image Editor package under the Eclipse Public License
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* |
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*/ |
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Committing the Image Editor package under the Eclipse Public License
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|
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#include <imageconversion.h> |
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#include <eikenv.h> |
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#include <bautils.h> |
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|
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#include "imageeditordebugutils.h" |
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Committing the Image Editor package under the Eclipse Public License
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#include "commondefs.h" |
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Committing the Image Editor package under the Eclipse Public License
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#include "ImageEditorError.h" |
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#include "ImageEditorImageHandler.h" |
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//============================================================================= |
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EXPORT_C CImageEditorImageHandler * CImageEditorImageHandler::NewL () |
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{ |
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CImageEditorImageHandler * self = new (ELeave) CImageEditorImageHandler; |
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CleanupStack::PushL(self); |
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self->ConstructL (); |
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Committing the Image Editor package under the Eclipse Public License
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CleanupStack::Pop(); // self |
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return self; |
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Committing the Image Editor package under the Eclipse Public License
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} |
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|
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//============================================================================= |
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EXPORT_C CImageEditorImageHandler::~CImageEditorImageHandler () |
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Committing the Image Editor package under the Eclipse Public License
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{ |
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CleanupConverters(); |
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} |
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|
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//============================================================================= |
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EXPORT_C void CImageEditorImageHandler::LoadImageAsyncL ( |
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const TDesC & aFileName, |
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CFbsBitmap *& aBitmap, |
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TRequestStatus * aStatus |
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) |
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{ |
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LOG(KImageEditorLogFile, "CImageEditorImageHandler::LoadImageAsyncL()"); |
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|
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// Clean up old converters |
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CleanupConverters(); |
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// Create a new image decoder |
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iImageDecoder = CImageDecoder::FileNewL ( |
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CEikonEnv::Static()->FsSession(), |
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aFileName |
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); |
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// Create the bitmap for containing the decoded image |
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TFrameInfo frame_info = iImageDecoder->FrameInfo(); |
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CFbsBitmap * bitmap = new (ELeave) CFbsBitmap; |
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CleanupStack::PushL (bitmap); |
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TInt err = bitmap->Create (frame_info.iOverallSizeInPixels, EColor16M) ; |
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if (err != KErrNone) |
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{ |
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LOG(KImageEditorLogFile, "CImageEditorImageHandler: Failed to create CFbsBitmap"); |
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User::Leave(KSIEEInternalNonRecoverable); |
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} |
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CleanupStack::Pop(); // bitmap |
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aBitmap = bitmap; |
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// Start decoding |
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iImageDecoder->Convert (aStatus, *aBitmap); |
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} |
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//============================================================================= |
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EXPORT_C void CImageEditorImageHandler::ContinueLoading (TRequestStatus * aStatus) |
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{ |
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iImageDecoder->ContinueConvert (aStatus); |
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} |
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//============================================================================= |
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EXPORT_C void CImageEditorImageHandler::SaveImageAsyncL ( |
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const TDesC & aFileName, |
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const CFbsBitmap & aBitmap, |
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const TInt aImageQuality, |
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TRequestStatus * aStatus |
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) |
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{ |
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LOG(KImageEditorLogFile, "CImageEditorImageHandler::SaveImageAsyncL()"); |
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// Clean up old converters |
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CleanupConverters(); |
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// Get MIME type based in file extension |
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CFileExtensionMIMEType * mime = GetMIMETypeL (aFileName); |
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|
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// Create a new image decoder for MIME type mime |
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iImageEncoder = CImageEncoder::FileNewL ( |
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CEikonEnv::Static()->FsSession(), |
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aFileName, |
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mime->MIMEType() |
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); |
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CFrameImageData * frame = GetFrameImageDataL ( |
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mime->FileExtension(), |
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aImageQuality |
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); |
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// Start encoding |
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iImageEncoder->Convert (aStatus, aBitmap, frame); |
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|
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} |
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118 |
|
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//============================================================================= |
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120 |
EXPORT_C TInt CImageEditorImageHandler::GetJpegQualityFactorL ( |
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121 |
const TDesC & aFileName |
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122 |
) |
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123 |
{ |
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124 |
LOG(KImageEditorLogFile, "CImageEditorImageHandler::GetJpegQualityFactorL()"); |
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125 |
|
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126 |
// Clean up old converters |
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127 |
CleanupConverters(); |
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128 |
|
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129 |
// Create a new image decoder |
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130 |
iImageDecoder = CImageDecoder::FileNewL ( |
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CEikonEnv::Static()->FsSession(), |
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132 |
aFileName |
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133 |
); |
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134 |
|
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135 |
// Get reference to frame image data |
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136 |
const CFrameImageData & image_data = iImageDecoder->FrameData(); |
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137 |
|
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138 |
// Get JPEG quality factor |
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139 |
TInt qualityfactor = 100; |
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140 |
if ( image_data.ImageDataCount() > 0 ) |
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141 |
{ |
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142 |
qualityfactor = ((const TJpegImageData*)image_data.GetImageData(0))->iQualityFactor; |
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143 |
} |
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144 |
|
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145 |
// Clean up old converters |
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146 |
CleanupConverters(); |
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147 |
|
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148 |
return qualityfactor; |
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149 |
} |
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150 |
|
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151 |
//============================================================================= |
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152 |
EXPORT_C TInt CImageEditorImageHandler::RenameImage ( |
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const TDesC & aFileNameSrc, |
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const TDesC & aFileNameDst |
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155 |
) const |
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Committing the Image Editor package under the Eclipse Public License
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{ |
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157 |
return BaflUtils::RenameFile ( |
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158 |
CEikonEnv::Static()->FsSession(), |
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159 |
aFileNameSrc, |
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160 |
aFileNameDst, |
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Committing the Image Editor package under the Eclipse Public License
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161 |
0 |
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Committing the Image Editor package under the Eclipse Public License
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162 |
); |
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Committing the Image Editor package under the Eclipse Public License
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163 |
} |
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Committing the Image Editor package under the Eclipse Public License
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164 |
|
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165 |
//============================================================================= |
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166 |
EXPORT_C TInt CImageEditorImageHandler::DeleteImage (const TDesC & aFileName) const |
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167 |
{ |
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Committing the Image Editor package under the Eclipse Public License
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168 |
return BaflUtils::DeleteFile ( |
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Committing the Image Editor package under the Eclipse Public License
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169 |
CEikonEnv::Static()->FsSession(), |
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170 |
aFileName, |
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171 |
0 |
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Committing the Image Editor package under the Eclipse Public License
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172 |
); |
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Committing the Image Editor package under the Eclipse Public License
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173 |
} |
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174 |
|
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175 |
//============================================================================= |
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176 |
EXPORT_C void CImageEditorImageHandler::CleanupConverters() |
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{ |
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178 |
LOG(KImageEditorLogFile, "CImageEditorImageHandler::CleanupConverters()"); |
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179 |
|
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180 |
if (iImageDecoder) |
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Committing the Image Editor package under the Eclipse Public License
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181 |
{ |
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Committing the Image Editor package under the Eclipse Public License
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182 |
LOG(KImageEditorLogFile, "CImageEditorImageHandler::CleanupConverters(): cancelling iImageDecoder"); |
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Committing the Image Editor package under the Eclipse Public License
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183 |
|
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Committing the Image Editor package under the Eclipse Public License
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184 |
iImageDecoder->Cancel(); |
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Committing the Image Editor package under the Eclipse Public License
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185 |
delete iImageDecoder; |
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Committing the Image Editor package under the Eclipse Public License
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186 |
iImageDecoder = NULL; |
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Committing the Image Editor package under the Eclipse Public License
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187 |
} |
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Committing the Image Editor package under the Eclipse Public License
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188 |
if (iImageEncoder) |
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Committing the Image Editor package under the Eclipse Public License
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189 |
{ |
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Committing the Image Editor package under the Eclipse Public License
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|
190 |
LOG(KImageEditorLogFile, "CImageEditorImageHandler::CleanupConverters(): cancelling iImageEncoder"); |
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Committing the Image Editor package under the Eclipse Public License
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|
191 |
|
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192 |
iImageEncoder->Cancel(); |
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Committing the Image Editor package under the Eclipse Public License
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193 |
delete iImageEncoder; |
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Committing the Image Editor package under the Eclipse Public License
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194 |
iImageEncoder = NULL; |
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Committing the Image Editor package under the Eclipse Public License
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195 |
} |
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Committing the Image Editor package under the Eclipse Public License
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196 |
} |
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Committing the Image Editor package under the Eclipse Public License
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|
197 |
|
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Committing the Image Editor package under the Eclipse Public License
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198 |
//============================================================================= |
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Committing the Image Editor package under the Eclipse Public License
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199 |
EXPORT_C TBool CImageEditorImageHandler::IsRajpegImageL (const TDesC & aFileName) const |
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Committing the Image Editor package under the Eclipse Public License
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200 |
{ |
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Committing the Image Editor package under the Eclipse Public License
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201 |
_LIT8 (KMimeJpeg, "image/jpeg"); |
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Committing the Image Editor package under the Eclipse Public License
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202 |
|
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Committing the Image Editor package under the Eclipse Public License
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203 |
TBuf8<256> mime; |
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Committing the Image Editor package under the Eclipse Public License
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204 |
|
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Committing the Image Editor package under the Eclipse Public License
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205 |
RFs fs; |
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Committing the Image Editor package under the Eclipse Public License
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206 |
User::LeaveIfError(fs.Connect()); |
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Committing the Image Editor package under the Eclipse Public License
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207 |
CleanupClosePushL(fs); |
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Committing the Image Editor package under the Eclipse Public License
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|
208 |
|
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Committing the Image Editor package under the Eclipse Public License
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209 |
CImageDecoder::GetMimeTypeFileL (fs, aFileName, mime); |
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Committing the Image Editor package under the Eclipse Public License
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|
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Committing the Image Editor package under the Eclipse Public License
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211 |
CleanupStack::PopAndDestroy(); |
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Committing the Image Editor package under the Eclipse Public License
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|
212 |
|
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Committing the Image Editor package under the Eclipse Public License
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213 |
#ifdef ENABLE_DEBUGLOG |
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Committing the Image Editor package under the Eclipse Public License
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214 |
TBuf16 <100> mime16; |
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Committing the Image Editor package under the Eclipse Public License
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215 |
mime16.Copy(mime); |
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Committing the Image Editor package under the Eclipse Public License
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216 |
LOGFMT(KImageEditorLogFile, "CImageEditorImageHandler::IsRajpegImageL: MIME type: %S", &mime16); |
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217 |
#endif |
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Committing the Image Editor package under the Eclipse Public License
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218 |
|
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Committing the Image Editor package under the Eclipse Public License
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// Images with the mime type image/jpeg can be rajpeg images. |
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Committing the Image Editor package under the Eclipse Public License
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return ( mime.CompareF (KMimeJpeg) == 0 ); |
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Committing the Image Editor package under the Eclipse Public License
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221 |
} |
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Committing the Image Editor package under the Eclipse Public License
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|
222 |
|
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Committing the Image Editor package under the Eclipse Public License
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223 |
//============================================================================= |
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Committing the Image Editor package under the Eclipse Public License
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224 |
EXPORT_C TBool CImageEditorImageHandler::IsJpegIntact (const TDesC & aFileName) |
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Committing the Image Editor package under the Eclipse Public License
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225 |
{ |
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Committing the Image Editor package under the Eclipse Public License
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|
226 |
// Clean up old converters |
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Committing the Image Editor package under the Eclipse Public License
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|
227 |
CleanupConverters(); |
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Committing the Image Editor package under the Eclipse Public License
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|
228 |
|
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Committing the Image Editor package under the Eclipse Public License
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229 |
TRAPD (err, |
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Committing the Image Editor package under the Eclipse Public License
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230 |
// Create a new image decoder |
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Committing the Image Editor package under the Eclipse Public License
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|
231 |
iImageDecoder = CImageDecoder::FileNewL ( |
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Committing the Image Editor package under the Eclipse Public License
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|
232 |
CEikonEnv::Static()->FsSession(), |
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Committing the Image Editor package under the Eclipse Public License
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233 |
aFileName |
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Committing the Image Editor package under the Eclipse Public License
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|
234 |
); |
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Committing the Image Editor package under the Eclipse Public License
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|
235 |
); |
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Committing the Image Editor package under the Eclipse Public License
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CleanupConverters(); |
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Committing the Image Editor package under the Eclipse Public License
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if (err != KErrNone) |
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Committing the Image Editor package under the Eclipse Public License
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{ |
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Committing the Image Editor package under the Eclipse Public License
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239 |
return EFalse; |
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Committing the Image Editor package under the Eclipse Public License
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} |
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Committing the Image Editor package under the Eclipse Public License
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else |
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Committing the Image Editor package under the Eclipse Public License
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{ |
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Committing the Image Editor package under the Eclipse Public License
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return ETrue; |
edfc90759b9f
Committing the Image Editor package under the Eclipse Public License
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} |
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Committing the Image Editor package under the Eclipse Public License
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} |
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Committing the Image Editor package under the Eclipse Public License
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|
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//============================================================================= |
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248 |
CImageEditorImageHandler::CImageEditorImageHandler () |
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Committing the Image Editor package under the Eclipse Public License
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{ |
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Committing the Image Editor package under the Eclipse Public License
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|
250 |
|
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Committing the Image Editor package under the Eclipse Public License
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} |
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Committing the Image Editor package under the Eclipse Public License
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|
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//============================================================================= |
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void CImageEditorImageHandler::ConstructL () |
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Committing the Image Editor package under the Eclipse Public License
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255 |
{ |
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Committing the Image Editor package under the Eclipse Public License
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|
256 |
|
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Committing the Image Editor package under the Eclipse Public License
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} |
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Committing the Image Editor package under the Eclipse Public License
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|
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Committing the Image Editor package under the Eclipse Public License
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|
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//============================================================================= |
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261 |
CFileExtensionMIMEType * CImageEditorImageHandler::GetMIMETypeL ( |
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Committing the Image Editor package under the Eclipse Public License
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const TDesC & aFileName |
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Committing the Image Editor package under the Eclipse Public License
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263 |
) |
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Committing the Image Editor package under the Eclipse Public License
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264 |
{ |
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Committing the Image Editor package under the Eclipse Public License
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|
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Committing the Image Editor package under the Eclipse Public License
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// Extract the file extension from aFullFileName |
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Committing the Image Editor package under the Eclipse Public License
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TParsePtrC fileparser (aFileName); |
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Committing the Image Editor package under the Eclipse Public License
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268 |
TBuf<12> ext; |
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Committing the Image Editor package under the Eclipse Public License
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if (fileparser.ExtPresent()) |
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Committing the Image Editor package under the Eclipse Public License
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{ |
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ext.Append (fileparser.Ext()); |
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Committing the Image Editor package under the Eclipse Public License
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} |
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Committing the Image Editor package under the Eclipse Public License
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|
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// Get all supported mime types with file extensions |
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RFileExtensionMIMETypeArray mimes; |
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276 |
iImageEncoder->GetFileTypesL (mimes); |
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Committing the Image Editor package under the Eclipse Public License
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|
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Committing the Image Editor package under the Eclipse Public License
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// Get correct mime type based on file extension |
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279 |
CFileExtensionMIMEType * ret = 0; |
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280 |
for (TInt i = 0; i < mimes.Count(); ++i) |
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Committing the Image Editor package under the Eclipse Public License
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{ |
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Committing the Image Editor package under the Eclipse Public License
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282 |
if (ext == mimes[i]->FileExtension()) |
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Committing the Image Editor package under the Eclipse Public License
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|
283 |
{ |
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Committing the Image Editor package under the Eclipse Public License
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|
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ret = mimes[i]; |
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Committing the Image Editor package under the Eclipse Public License
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285 |
mimes.Remove(i); |
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Committing the Image Editor package under the Eclipse Public License
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|
286 |
break; |
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Committing the Image Editor package under the Eclipse Public License
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|
287 |
} |
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Committing the Image Editor package under the Eclipse Public License
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|
288 |
} |
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Committing the Image Editor package under the Eclipse Public License
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|
289 |
|
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Committing the Image Editor package under the Eclipse Public License
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290 |
// Delete pointer array |
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Committing the Image Editor package under the Eclipse Public License
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291 |
mimes.ResetAndDestroy(); |
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Committing the Image Editor package under the Eclipse Public License
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|
292 |
|
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Committing the Image Editor package under the Eclipse Public License
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293 |
return ret; |
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Committing the Image Editor package under the Eclipse Public License
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|
294 |
} |
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Committing the Image Editor package under the Eclipse Public License
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|
295 |
|
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Committing the Image Editor package under the Eclipse Public License
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|
296 |
//============================================================================= |
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Committing the Image Editor package under the Eclipse Public License
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|
297 |
CFrameImageData * CImageEditorImageHandler::GetFrameImageDataL ( |
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Committing the Image Editor package under the Eclipse Public License
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|
298 |
const TDesC & aExt, |
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Committing the Image Editor package under the Eclipse Public License
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|
299 |
const TInt aQuality |
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Committing the Image Editor package under the Eclipse Public License
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|
300 |
) const |
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Committing the Image Editor package under the Eclipse Public License
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|
301 |
{ |
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Committing the Image Editor package under the Eclipse Public License
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|
302 |
LOG(KImageEditorLogFile, "CImageEditorImageHandler::GetFrameImageDataL()"); |
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Committing the Image Editor package under the Eclipse Public License
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|
303 |
|
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Committing the Image Editor package under the Eclipse Public License
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|
304 |
CFrameImageData * frameData = CFrameImageData::NewL(); |
edfc90759b9f
Committing the Image Editor package under the Eclipse Public License
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|
305 |
CleanupStack::PushL (frameData); |
edfc90759b9f
Committing the Image Editor package under the Eclipse Public License
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|
306 |
|
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Committing the Image Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
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|
307 |
if (aExt.CompareF (KJpegExtension)) |
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Committing the Image Editor package under the Eclipse Public License
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parents:
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|
308 |
{ |
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Committing the Image Editor package under the Eclipse Public License
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|
309 |
TJpegImageData * data = new (ELeave) TJpegImageData(); |
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Committing the Image Editor package under the Eclipse Public License
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|
310 |
data->iQualityFactor = (100 - aQuality); |
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Committing the Image Editor package under the Eclipse Public License
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parents:
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|
311 |
data->iSampleScheme = TJpegImageData::EColor422; |
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Committing the Image Editor package under the Eclipse Public License
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|
312 |
frameData->AppendImageData (data); // ownership transferred |
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Committing the Image Editor package under the Eclipse Public License
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|
313 |
} |
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Committing the Image Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
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changeset
|
314 |
else if (aExt.CompareF (KBmpExtension)) |
edfc90759b9f
Committing the Image Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
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changeset
|
315 |
{ |
edfc90759b9f
Committing the Image Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
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|
316 |
TBmpImageData * data = new (ELeave) TBmpImageData(); |
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Committing the Image Editor package under the Eclipse Public License
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parents:
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|
317 |
data->iBitsPerPixel = 24; |
edfc90759b9f
Committing the Image Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
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|
318 |
frameData->AppendImageData (data); // ownership transferred |
edfc90759b9f
Committing the Image Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
319 |
} |
edfc90759b9f
Committing the Image Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
320 |
else |
edfc90759b9f
Committing the Image Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
321 |
{ |
edfc90759b9f
Committing the Image Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
322 |
|
edfc90759b9f
Committing the Image Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
323 |
} |
edfc90759b9f
Committing the Image Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
324 |
|
edfc90759b9f
Committing the Image Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
325 |
CleanupStack::Pop(); // frameData |
edfc90759b9f
Committing the Image Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
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changeset
|
326 |
return frameData; |
edfc90759b9f
Committing the Image Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
327 |
} |
edfc90759b9f
Committing the Image Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
328 |
|
edfc90759b9f
Committing the Image Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
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changeset
|
329 |
// End of File |