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|
///=============================================================================
//
// file : encoded_attribute.cpp
//
// description : Management of Tango::DevEncoded format
//
// project : TANGO
//
// author(s) : JL Pons
//
// Copyright (C) : 2004,2005,2006,2007,2008,2009,2010,2011,2012,2013
// European Synchrotron Radiation Facility
// BP 220, Grenoble 38043
// FRANCE
//
// This file is part of Tango.
//
// Tango is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Tango is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with Tango. If not, see <http://www.gnu.org/licenses/>.
//
// $Revision: 22616 $
//
//
//=============================================================================
#include <encoded_attribute.h>
#include <jpeg/jpeg_lib.h>
using namespace Tango;
#define SAFE_FREE(x) if(x) {free(x);x=NULL;}
// ----------------------------------------------------------------------------
EncodedAttribute::EncodedAttribute():manage_exclusion(false),ext(Tango_NullPtr) {
buffer_array = (unsigned char **)calloc(1,sizeof(unsigned char *));
buffer_array[0] = NULL;
buffSize_array = (int *)calloc(1,sizeof(int));
buffSize_array[0] = 0;
format = NULL;
mutex_array = NULL;
index = 0;
buf_elt_nb = 1;
}
EncodedAttribute::EncodedAttribute(int si,bool excl):manage_exclusion(excl),ext(Tango_NullPtr) {
buffer_array = (unsigned char **)calloc(si,sizeof(unsigned char *));
buffSize_array = (int *)calloc(si,sizeof(int));
for (int i = 0;i < si;i++)
{
buffer_array[i] = NULL;
buffSize_array[i] = 0;
}
format = NULL;
index = 0;
buf_elt_nb = si;
if (manage_exclusion == true)
mutex_array = new omni_mutex[si];
}
// ----------------------------------------------------------------------------
EncodedAttribute::~EncodedAttribute() {
for (int i = 0;i < buf_elt_nb;i++)
SAFE_FREE(buffer_array[i]);
SAFE_FREE(buffer_array);
SAFE_FREE(buffSize_array);
if (mutex_array != NULL)
delete [] mutex_array;
}
// ----------------------------------------------------------------------------
void EncodedAttribute::encode_jpeg_gray8(unsigned char *gray8,int width,int height,double quality) {
if (manage_exclusion == true)
mutex_array[index].lock();
SAFE_FREE(buffer_array[index]);
buffSize_array[index] = 0;
format = (char *)JPEG_GRAY_8;
jpeg_encode_gray8(width,height,gray8,quality,&(buffSize_array[index]),&(buffer_array[index]));
INC_INDEX()
}
// ----------------------------------------------------------------------------
void EncodedAttribute::encode_jpeg_rgb32(unsigned char *rgb32,int width,int height,double quality) {
if (manage_exclusion == true)
mutex_array[index].lock();
SAFE_FREE(buffer_array[index]);
buffSize_array[index] = 0;
format = (char *)JPEG_RGB;
jpeg_encode_rgb32(width,height,rgb32,quality,&(buffSize_array[index]),&(buffer_array[index]));
INC_INDEX()
}
// ----------------------------------------------------------------------------
void EncodedAttribute::encode_jpeg_rgb24(unsigned char *rgb24,int width,int height,double quality) {
if (manage_exclusion == true)
mutex_array[index].lock();
SAFE_FREE(buffer_array[index]);
buffSize_array[index] = 0;
format = (char *)JPEG_RGB;
jpeg_encode_rgb24(width,height,rgb24,quality,&(buffSize_array[index]),&(buffer_array[index]));
INC_INDEX()
}
// ----------------------------------------------------------------------------
void EncodedAttribute::encode_gray8(unsigned char *gray8,int width,int height) {
int newSize = width*height + 4;
if (manage_exclusion == true)
mutex_array[index].lock();
if( newSize!=buffSize_array[index] ) {
SAFE_FREE(buffer_array[index]);
buffer_array[index] = (unsigned char *)malloc(newSize);
buffSize_array[index] = newSize;
}
format = (char *)GRAY_8;
// Store image dimension (big endian)
unsigned char *tmp_ptr = buffer_array[index];
tmp_ptr[0] = (unsigned char)( (width>>8) & 0xFF );
tmp_ptr[1] = (unsigned char)( width & 0xFF );
tmp_ptr[2] = (unsigned char)( (height>>8) & 0xFF );
tmp_ptr[3] = (unsigned char)( height & 0xFF );
// Copy image
memcpy(tmp_ptr+4,gray8,newSize-4);
INC_INDEX()
}
// ----------------------------------------------------------------------------
void EncodedAttribute::encode_gray16(unsigned short *gray16,int width,int height) {
int newSize = width*height*2 + 4;
if (manage_exclusion == true)
mutex_array[index].lock();
if( newSize!=buffSize_array[index] ) {
SAFE_FREE(buffer_array[index]);
buffer_array[index] = (unsigned char *)malloc(newSize);
buffSize_array[index] = newSize;
}
format = (char *)GRAY_16;
// Store image dimension (big endian)
unsigned char *tmp_ptr = buffer_array[index];
tmp_ptr[0] = (unsigned char)( (width>>8) & 0xFF );
tmp_ptr[1] = (unsigned char)( width & 0xFF );
tmp_ptr[2] = (unsigned char)( (height>>8) & 0xFF );
tmp_ptr[3] = (unsigned char)( height & 0xFF );
// Store image (big endian)
int srcIdx = 0;
int dstIdx = 4;
for(int j=0;j<height;j++) {
for(int i=0;i<width;i++) {
unsigned short s = gray16[srcIdx++];
tmp_ptr[dstIdx++] = (unsigned char)(s >> 8);
tmp_ptr[dstIdx++] = (unsigned char)(s & 0xFF);
}
}
INC_INDEX()
}
// ----------------------------------------------------------------------------
void EncodedAttribute::encode_rgb24(unsigned char *rgb24,int width,int height) {
int newSize = width*height*3 + 4;
if (manage_exclusion == true)
mutex_array[index].lock();
if( newSize!=buffSize_array[index] ) {
SAFE_FREE(buffer_array[index]);
buffer_array[index] = (unsigned char *)malloc(newSize);
buffSize_array[index] = newSize;
}
format = (char *)RGB_24;
// Store image dimension (big endian)
unsigned char *tmp_ptr = buffer_array[index];
tmp_ptr[0] = (unsigned char)( (width>>8) & 0xFF );
tmp_ptr[1] = (unsigned char)( width & 0xFF );
tmp_ptr[2] = (unsigned char)( (height>>8) & 0xFF );
tmp_ptr[3] = (unsigned char)( height & 0xFF );
// Copy image
memcpy(tmp_ptr+4,rgb24,newSize-4);
}
// ----------------------------------------------------------------------------
void EncodedAttribute::decode_rgb32(DeviceAttribute *attr,int *width,int *height,unsigned char **rgb32)
{
if (attr->is_empty())
{
Except::throw_exception((const char *)API_WrongFormat,
(const char *)"Attribute contains no data",
(const char *)"EncodedAttribute::decode_gray8");
}
DevVarEncodedArray_var &encDataSeq = attr->get_Encoded_data();
if (encDataSeq.operator->() == NULL)
{
ApiDataExcept::throw_exception((const char*)"API_IncompatibleAttrArgumentType",
(const char*)"Cannot extract, data in DeviceAttribute object is not DevEncoded",
(const char*)"EncodedAttribute::decode_gray8");
}
string local_format(encDataSeq.in()[0].encoded_format);
int isRGB = (strcmp(local_format.c_str() ,RGB_24 ) == 0);
int isJPEG = (strcmp(local_format.c_str() ,JPEG_RGB ) == 0);
if( !isRGB && !isJPEG )
{
Except::throw_exception((const char *)API_WrongFormat,
(const char *)"Not a color format",
(const char *)"EncodedAttribute::decode_rgb32");
}
unsigned char *rawBuff = NULL;
DevVarEncodedArray &encData = encDataSeq.inout();
DevVarCharArray &encBuff = encData[0].encoded_data;
int size = encBuff.length();
rawBuff = encBuff.get_buffer(false);
if( isRGB )
{
// Get width and height
int wh = ((int)rawBuff[0] & 0xFF);
int wl = ((int)rawBuff[1] & 0xFF);
wh = wh << 8;
int iWidth = wh | wl;
int hh = ((int)rawBuff[2] & 0xFF);
int hl = ((int)rawBuff[3] & 0xFF);
hh = hh << 8;
int iHeight = hh | hl;
unsigned char *data = new unsigned char[iWidth*iHeight*4];
// Convert to RGB32
int srcIdx = 4;
int dstIdx = 0;
for(int j=0;j<iHeight;j++)
{
for(int i=0;i<iWidth;i++)
{
data[dstIdx++] = rawBuff[srcIdx++]; // R
data[dstIdx++] = rawBuff[srcIdx++]; // G
data[dstIdx++] = rawBuff[srcIdx++]; // B
data[dstIdx++] = 0;
}
}
*rgb32 = data;
*width = iWidth;
*height = iHeight;
return;
}
if( isJPEG )
{
int jFormat;
int err = jpeg_decode(size,&(rawBuff[0]),width,height,&jFormat,rgb32);
if(err)
{
TangoSys_OMemStream o;
o << jpeg_get_error_msg(err);
Except::throw_exception((const char *)API_DecodeErr,
o.str(),
(const char *)"EncodedAttribute::decode_rgb32");
}
if( jFormat==JPEG_GRAY_FORMAT )
{
// Should not happen
Except::throw_exception((const char *)API_WrongFormat,
(const char *)"Not a color format",
(const char *)"EncodedAttribute::decode_rgb32");
}
return;
}
}
// ----------------------------------------------------------------------------
void EncodedAttribute::decode_gray8(DeviceAttribute *attr,int *width,int *height,unsigned char **gray8)
{
if (attr->is_empty())
{
Except::throw_exception((const char *)API_WrongFormat,
(const char *)"Attribute contains no data",
(const char *)"EncodedAttribute::decode_gray8");
}
DevVarEncodedArray_var &encDataSeq = attr->get_Encoded_data();
if (encDataSeq.operator->() == NULL)
{
ApiDataExcept::throw_exception((const char*)"API_IncompatibleAttrArgumentType",
(const char*)"Cannot extract, data in DeviceAttribute object is not DevEncoded",
(const char*)"EncodedAttribute::decode_gray8");
}
string local_format(encDataSeq.in()[0].encoded_format);
int isGrey = (strcmp(local_format.c_str() ,GRAY_8 ) == 0);
int isJPEG = (strcmp(local_format.c_str() ,JPEG_GRAY_8 ) == 0);
if( !isGrey && !isJPEG )
{
Except::throw_exception((const char *)API_WrongFormat,
(const char *)"Not a grayscale 8bit format",
(const char *)"EncodedAttribute::decode_gray8");
}
unsigned char *rawBuff = NULL;
DevVarEncodedArray &encData = encDataSeq.inout();
DevVarCharArray &encBuff = encData[0].encoded_data;
int size = encBuff.length();
rawBuff = encBuff.get_buffer(false);
if( isGrey )
{
// Get width and height
int wh = ((int)rawBuff[0] & 0xFF);
int wl = ((int)rawBuff[1] & 0xFF);
wh = wh << 8;
int iWidth = wh | wl;
int hh = ((int)rawBuff[2] & 0xFF);
int hl = ((int)rawBuff[3] & 0xFF);
hh = hh << 8;
int iHeight = hh | hl;
unsigned char *data = new unsigned char[iWidth*iHeight];
memcpy(data,&(rawBuff[4]),iWidth*iHeight);
*gray8 = data;
*width = iWidth;
*height = iHeight;
return;
}
if( isJPEG )
{
int jFormat;
int err = jpeg_decode(size,&(rawBuff[0]),width,height,&jFormat,gray8);
if(err)
{
TangoSys_OMemStream o;
o << jpeg_get_error_msg(err);
Except::throw_exception((const char *)API_DecodeErr,
o.str(),
(const char *)"EncodedAttribute::decode_gray8");
}
if( jFormat!=JPEG_GRAY_FORMAT )
{
// Should not happen
Except::throw_exception((const char *)API_WrongFormat,
(const char *)"Not a grayscale 8bit format",
(const char *)"EncodedAttribute::decode_gray8");
}
return;
}
}
// ----------------------------------------------------------------------------
void EncodedAttribute::decode_gray16(DeviceAttribute *attr,int *width,int *height,unsigned short **gray16)
{
if (attr->is_empty())
{
Except::throw_exception((const char *)API_WrongFormat,
(const char *)"Attribute contains no data",
(const char *)"EncodedAttribute::decode_gray16");
}
DevVarEncodedArray_var &encDataSeq = attr->get_Encoded_data();
if (encDataSeq.operator->() == NULL)
{
ApiDataExcept::throw_exception((const char*)"API_IncompatibleAttrArgumentType",
(const char*)"Cannot extract, data in DeviceAttribute object is not DevEncoded",
(const char*)"EncodedAttribute::decode_gray16");
}
string local_format(encDataSeq.in()[0].encoded_format);
int isGrey = (strcmp(local_format.c_str() ,GRAY_16 ) == 0);
if( !isGrey )
{
Except::throw_exception((const char *)API_WrongFormat,
(const char *)"Not a grayscale 16 bits format",
(const char *)"EncodedAttribute::decode_gray16");
}
unsigned char *rawBuff = NULL;
DevVarEncodedArray &encData = encDataSeq.inout();
DevVarCharArray &encBuff = encData[0].encoded_data;
rawBuff = encBuff.get_buffer(false);
if( isGrey )
{
// Get width and height
int wh = ((int)rawBuff[0] & 0xFF);
int wl = ((int)rawBuff[1] & 0xFF);
wh = wh << 8;
int iWidth = wh | wl;
int hh = ((int)rawBuff[2] & 0xFF);
int hl = ((int)rawBuff[3] & 0xFF);
hh = hh << 8;
int iHeight = hh | hl;
unsigned short *data = new unsigned short[ iWidth*iHeight*2 ];
int srcIdx = 4;
int dstIdx = 0;
for(int j=0;j<iHeight;j++)
{
for(int i=0;i<iWidth;i++)
{
unsigned short hh = ((unsigned short)rawBuff[srcIdx++] & 0xFF);
unsigned short hl = ((unsigned short)rawBuff[srcIdx++] & 0xFF);
data[dstIdx++] = (hh << 8) | hl;
}
}
*gray16 = data;
*width = iWidth;
*height = iHeight;
}
}
|
