--- a/kerneltest/e32test/multimedia/t_camera_bitmap.cpp Tue Jul 06 15:50:07 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,291 +0,0 @@
-// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
-// All rights reserved.
-// This component and the accompanying materials are made available
-// under the terms of the License "Eclipse Public License v1.0"
-// which accompanies this distribution, and is available
-// at the URL "http://www.eclipse.org/legal/epl-v10.html".
-//
-// Initial Contributors:
-// Nokia Corporation - initial contribution.
-//
-// Contributors:
-//
-// Description:
-// e32test/multimedia/t_camera_bitmap.cpp
-// This is a basic Windows bitmap file writer, that can be used for converting YUV422 data into
-// RGB format and dumping it to a Windows .bmp file, for manual examination.
-//
-//
-
-#include <e32test.h>
-#include <f32file.h>
-#include "t_camera_bitmap.h"
-
-#define CLIP(a) if (a < 0) a = 0; else if (a > 255) a = 255;
-
-/**
-Converts a RGB565 buffer into 24 bit RGB format in a second buffer.
-@param aDest Pointer to the buffer into which to place the 24 bit RGB data
-@param aSource Pointer to the buffer containing the RGB565 data to be converted
-@param aWidth The width of the data in the buffer in pixels
-@param aHeight The height of the data in the buffer in pixels
-*/
-void RBitmap::RGBToRGB(TUint8* aDest, TUint8* aSource, TInt aWidth, TInt aHeight)
- {
- TUint16* source = (TUint16*) aSource;
- TUint16 pixel;
-
- for (TInt y = 0; y < aHeight; ++y)
- {
- for (TInt x = 0; x < aWidth; ++x)
- {
- pixel = *source++;
- *aDest++ = (TUint8) ((pixel & 0xf800) >> 8);
- *aDest++ = (TUint8) ((pixel & 0x07e0) >> 3);
- *aDest++ = (TUint8) ((pixel & 0x001f) << 3);
- }
- }
- }
-
-/**
-Converts a YUV422 buffer into 24 bit RGB format in a second buffer.
-@param aDest Pointer to the buffer into which to place the 24 bit RGB data
-@param aSource Pointer to the buffer containing the YUV422 data to be converted
-@param aWidth The width of the data in the buffer in pixels
-@param aHeight The height of the data in the buffer in pixels
-*/
-void RBitmap::YUVToRGB(TUint8* aDest, TUint8* aSource, TInt aWidth, TInt aHeight)
- {
- TInt y, u, v, r, g, b;
-
- aDest += ((aWidth * 3) * (aHeight - 1));
-
- for (TInt l = 0; l < aHeight; ++l)
- {
- for (TInt x = 0; x < (aWidth / 2); ++x)
- {
- u = (aSource[0] - 128);
- v = (aSource[2] - 128);
- y = (aSource[3] - 16);
-
- r = ((298 * y + 409 * u) / 256);
- g = ((298 * y - 100 * v - 208 * u) / 256);
- b = ((298 * y + 516 * v) / 256);
-
- CLIP(r);
- CLIP(g);
- CLIP(b);
-
- *aDest++ = (TUint8) r;
- *aDest++ = (TUint8) g;
- *aDest++ = (TUint8) b;
-
- y = (aSource[1] - 16);
-
- r = ((298 * y + 409 * u) / 256);
- g = ((298 * y - 100 * v - 208 * u) / 256);
- b = ((298 * y + 516 * v) / 256);
-
- CLIP(r);
- CLIP(g);
- CLIP(b);
-
- *aDest++ = (TUint8) r;
- *aDest++ = (TUint8) g;
- *aDest++ = (TUint8) b;
- aSource += 4;
- }
-
- aDest -= (aWidth * 3 * 2);
- }
- }
-
-/**
-Converts a 32 bit long from whatever the host format is into little endian format in a user supplied buffer.
-@param aBuffer Pointer to the buffer into which to write the value
-@param aLong The value to be written
-*/
-void RBitmap::PutLong(TUint8* aBuffer, TInt aLong)
- {
- *aBuffer++ = (TUint8) (aLong & 0xff);
- *aBuffer++ = (TUint8) ((aLong >> 8) & 0xff);
- *aBuffer++ = (TUint8) ((aLong >> 16) & 0xff);
- *aBuffer++ = (TUint8) ((aLong >> 24) & 0xff);
- }
-
-/**
-Converts a 16 bit short from whatever the host format is into little endian format in a user supplied buffer.
-@param aBuffer Pointer to the buffer into which to write the value
-@param aShort The value to be written
-*/
-void RBitmap::PutShort(TUint8* aBuffer, TInt16 aShort)
- {
- *aBuffer++ = (TUint8) (aShort & 0xff);
- *aBuffer++ = (TUint8) ((aShort >> 8) & 0xff);
- }
-
-/**
-Writes a standard Windows .bmp header to a file, including the standard .bmp file header, followed
-by a V3 DIB header.
-@param aFile A reference to the file to which to write the header
-@param aWidth The width of the bitmap in pixels
-@param aHeight The height of the bitmap in pixels
-@return KErrNone if write was successful, otherwise one of the other system wide error codes
-*/
-TInt RBitmap::WriteHeader(RFile& aFile, TInt aWidth, TInt aHeight)
- {
- TBuf8<14> header(14);
- TUint8* buffer = (TUint8*) header.Ptr();
-
- header.Fill(0);
-
- header[0] = 'B';
- header[1] = 'M';
- PutLong((buffer + 2), (14 + 40 + (aWidth * aHeight * 3)));
- PutLong((buffer + 10), (14 + 40));
-
- TInt r = aFile.Write(header);
-
- if (r == KErrNone)
- {
- TBuf8<40> bitmapInfoHeader(40);
- TUint8* buffer = (TUint8*) bitmapInfoHeader.Ptr();
-
- bitmapInfoHeader.Fill(0);
-
- PutLong(buffer, 40);
- PutLong((buffer + 4), aWidth);
- PutLong((buffer + 8), aHeight);
- PutShort((buffer + 12), 1);
- PutShort((buffer + 14), 24);
- PutLong((buffer + 20), (aWidth * aHeight * 3));
-
- r = aFile.Write(bitmapInfoHeader);
- }
-
- return r;
- }
-
-/**
-Converts a YUV422 or RGB565 buffer into 24 bit RGB format and writes it to a file.
-@param aFile A reference to the file to which to write the data
-@param aBuffer A pointer to the buffer containing the data to be converted and written
-@param aPixelFormat UID specifying the format of the source data
-@param aWidth The width of the data in the buffer in pixels
-@param aHeight The height of the data in the buffer in pixels
-@return KErrNone if write was successful, otherwise one of the other system wide error codes
-*/
-TInt RBitmap::WriteBitmapData(RFile& aFile, TUint8* aBuffer, SDevCamPixelFormat aPixelFormat, TInt aWidth, TInt aHeight)
- {
- TInt length = (aWidth * aHeight * 3);
- TUint8* rgbBuffer = new TUint8[length];
-
- TInt r = KErrNone;
-
- if (rgbBuffer)
- {
- if (aPixelFormat.iPixelFormat == EUidPixelFormatYUV_422Interleaved)
- {
- YUVToRGB(rgbBuffer, aBuffer, aWidth, aHeight);
- }
- else if (aPixelFormat.iPixelFormat == EUidPixelFormatRGB_565)
- {
- RGBToRGB(rgbBuffer, aBuffer, aWidth, aHeight);
- }
- else
- {
- r = KErrNotSupported;
- }
-
- if (r == KErrNone)
- {
- TPtr8 buffer(rgbBuffer, length, length);
- r = aFile.Write(buffer);
- }
-
- delete [] rgbBuffer;
- }
- else
- {
- r = KErrNoMemory;
- }
-
- return r;
- }
-
-/**
-Converts a YUV422 or RGB565 buffer into 24 bit RGB format and writes it to a Windows .bmp file.
-@param aFileName A reference to the fully qualified name of the file to write the .bmp file to
-@param aBuffer A pointer to the buffer containing the data to be converted and written
-@param aPixelFormat UID specifying the format of the source data
-@param aWidth The width of the data in the buffer in pixels
-@param aHeight The height of the data in the buffer in pixels
-@return KErrNone if write was successful, otherwise one of the other system wide error codes
-*/
-TInt RBitmap::WriteBMP(const TDesC& aFileName, TUint8* aBuffer, SDevCamPixelFormat aPixelFormat, TInt aWidth, TInt aHeight)
- {
- TInt r;
- RFile file;
- RFs fs;
-
- if ((r = fs.Connect()) == KErrNone)
- {
- if ((r = file.Replace(fs, aFileName, EFileWrite)) == KErrNone)
- {
- if ((r = WriteHeader(file, aWidth, aHeight)) == KErrNone)
- {
- r = WriteBitmapData(file, aBuffer, aPixelFormat, aWidth, aHeight);
- }
-
- file.Close();
-
- // If anything went wrong, delete the file so that we do not leave partial files that
- // might cause confusion
- if (r != KErrNone)
- {
- fs.Delete(aFileName);
- }
- }
-
- fs.Close();
- }
-
- return r;
- }
-
-/**
-Dumps a buffer straight to disk, without any kind of processing.
-@param aFileName A reference to the fully qualified name of the file to write the file to
-@param aBuffer A pointer to the buffer containing the data to be converted written
-@param aSize The size of the buffer to be written, in bytes
-@return KErrNone if write was successful, otherwise one of the other system wide error codes
-*/
-TInt RBitmap::WriteBuffer(const TDesC& aFileName, TUint8* aBuffer, TInt aSize)
- {
- TInt r;
- RFile file;
- RFs fs;
-
- if ((r = fs.Connect()) == KErrNone)
- {
- if ((r = file.Replace(fs, aFileName, EFileWrite)) == KErrNone)
- {
- TPtrC8 buffer(aBuffer, aSize);
-
- r = file.Write(buffer);
-
- file.Close();
-
- // If anything went wrong, delete the file so that we do not leave partial files that
- // might cause confusion
- if (r != KErrNone)
- {
- fs.Delete(aFileName);
- }
- }
-
- fs.Close();
- }
-
- return r;
- }