完善目录结构
完善了目录结构，添加了以前的web段com组件调用的代码（在/测试目录下）（部署没有使用到）
This commit is contained in:
yanshui177
@@ -0,0 +1,423 @@
|
||||
/*M///////////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
|
||||
//
|
||||
// By downloading, copying, installing or using the software you agree to this license.
|
||||
// If you do not agree to this license, do not download, install,
|
||||
// copy or use the software.
|
||||
//
|
||||
//
|
||||
// Intel License Agreement
|
||||
// For Open Source Computer Vision Library
|
||||
//
|
||||
// Copyright (C) 2000, Intel Corporation, all rights reserved.
|
||||
// Third party copyrights are property of their respective owners.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without modification,
|
||||
// are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistribution's of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
//
|
||||
// * Redistribution's in binary form must reproduce the above copyright notice,
|
||||
// this list of conditions and the following disclaimer in the documentation
|
||||
// and/or other materials provided with the distribution.
|
||||
//
|
||||
// * The name of Intel Corporation may not be used to endorse or promote products
|
||||
// derived from this software without specific prior written permission.
|
||||
//
|
||||
// This software is provided by the copyright holders and contributors "as is" and
|
||||
// any express or implied warranties, including, but not limited to, the implied
|
||||
// warranties of merchantability and fitness for a particular purpose are disclaimed.
|
||||
// In no event shall the Intel Corporation or contributors be liable for any direct,
|
||||
// indirect, incidental, special, exemplary, or consequential damages
|
||||
// (including, but not limited to, procurement of substitute goods or services;
|
||||
// loss of use, data, or profits; or business interruption) however caused
|
||||
// and on any theory of liability, whether in contract, strict liability,
|
||||
// or tort (including negligence or otherwise) arising in any way out of
|
||||
// the use of this software, even if advised of the possibility of such damage.
|
||||
//
|
||||
//M*/
|
||||
|
||||
#include "_highgui.h"
|
||||
#include "grfmt_pxm.h"
|
||||
|
||||
// P?M filter factory
|
||||
|
||||
GrFmtPxM::GrFmtPxM()
|
||||
{
|
||||
m_sign_len = 3;
|
||||
m_signature = "";
|
||||
m_description = "Portable image format (*.pbm;*.pgm;*.ppm)";
|
||||
}
|
||||
|
||||
|
||||
GrFmtPxM::~GrFmtPxM()
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
bool GrFmtPxM::CheckSignature( const char* signature )
|
||||
{
|
||||
return signature[0] == 'P' &&
|
||||
'1' <= signature[1] && signature[1] <= '6' &&
|
||||
isspace(signature[2]);
|
||||
}
|
||||
|
||||
|
||||
GrFmtReader* GrFmtPxM::NewReader( const char* filename )
|
||||
{
|
||||
return new GrFmtPxMReader( filename );
|
||||
}
|
||||
|
||||
|
||||
GrFmtWriter* GrFmtPxM::NewWriter( const char* filename )
|
||||
{
|
||||
return new GrFmtPxMWriter( filename );
|
||||
}
|
||||
|
||||
|
||||
///////////////////////// P?M reader //////////////////////////////
|
||||
|
||||
static int ReadNumber( RLByteStream& strm, int maxdigits )
|
||||
{
|
||||
int code;
|
||||
int val = 0;
|
||||
int digits = 0;
|
||||
|
||||
code = strm.GetByte();
|
||||
|
||||
if( !isdigit(code))
|
||||
{
|
||||
do
|
||||
{
|
||||
if( code == '#' )
|
||||
{
|
||||
do
|
||||
{
|
||||
code = strm.GetByte();
|
||||
}
|
||||
while( code != '\n' && code != '\r' );
|
||||
}
|
||||
|
||||
code = strm.GetByte();
|
||||
|
||||
while( isspace(code))
|
||||
code = strm.GetByte();
|
||||
}
|
||||
while( !isdigit( code ));
|
||||
}
|
||||
|
||||
do
|
||||
{
|
||||
val = val*10 + code - '0';
|
||||
if( ++digits >= maxdigits ) break;
|
||||
code = strm.GetByte();
|
||||
}
|
||||
while( isdigit(code));
|
||||
|
||||
return val;
|
||||
}
|
||||
|
||||
|
||||
GrFmtPxMReader::GrFmtPxMReader( const char* filename ) : GrFmtReader( filename )
|
||||
{
|
||||
m_offset = -1;
|
||||
}
|
||||
|
||||
|
||||
GrFmtPxMReader::~GrFmtPxMReader()
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
void GrFmtPxMReader::Close()
|
||||
{
|
||||
m_strm.Close();
|
||||
}
|
||||
|
||||
|
||||
bool GrFmtPxMReader::ReadHeader()
|
||||
{
|
||||
bool result = false;
|
||||
|
||||
assert( strlen(m_filename) != 0 );
|
||||
if( !m_strm.Open( m_filename )) return false;
|
||||
|
||||
if( setjmp( m_strm.JmpBuf()) == 0 )
|
||||
{
|
||||
int code = m_strm.GetByte();
|
||||
if( code != 'P' )
|
||||
BAD_HEADER_ERR();
|
||||
|
||||
code = m_strm.GetByte();
|
||||
switch( code )
|
||||
{
|
||||
case '1': case '4': m_bpp = 1; break;
|
||||
case '2': case '5': m_bpp = 8; break;
|
||||
case '3': case '6': m_bpp = 24; break;
|
||||
default: BAD_HEADER_ERR();
|
||||
}
|
||||
|
||||
m_binary = code >= '4';
|
||||
m_iscolor = m_bpp > 8;
|
||||
|
||||
m_width = ReadNumber( m_strm, INT_MAX );
|
||||
m_height = ReadNumber( m_strm, INT_MAX );
|
||||
|
||||
m_maxval = m_bpp == 1 ? 1 : ReadNumber( m_strm, INT_MAX );
|
||||
|
||||
if( m_maxval > 255 ) m_binary = false;
|
||||
|
||||
if( m_width > 0 && m_height > 0 && m_maxval > 0 && m_maxval < (1 << 16))
|
||||
{
|
||||
m_offset = m_strm.GetPos();
|
||||
result = true;
|
||||
}
|
||||
bad_header_exit:
|
||||
;
|
||||
}
|
||||
|
||||
if( !result )
|
||||
{
|
||||
m_offset = -1;
|
||||
m_width = m_height = -1;
|
||||
m_strm.Close();
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
bool GrFmtPxMReader::ReadData( uchar* data, int step, int color )
|
||||
{
|
||||
const int buffer_size = 1 << 12;
|
||||
uchar buffer[buffer_size];
|
||||
uchar pal_buffer[buffer_size];
|
||||
uchar bgr_buffer[buffer_size];
|
||||
PaletteEntry palette[256];
|
||||
bool result = false;
|
||||
uchar* src = buffer;
|
||||
uchar* gray_palette = pal_buffer;
|
||||
uchar* bgr = bgr_buffer;
|
||||
int src_pitch = (m_width*m_bpp + 7)/8;
|
||||
int nch = m_iscolor ? 3 : 1;
|
||||
int width3 = m_width*nch;
|
||||
int i, x, y;
|
||||
|
||||
if( m_offset < 0 || !m_strm.IsOpened())
|
||||
return false;
|
||||
|
||||
if( src_pitch+32 > buffer_size )
|
||||
src = new uchar[width3 + 32];
|
||||
|
||||
if( m_maxval + 1 > buffer_size )
|
||||
gray_palette = new uchar[m_maxval + 1];
|
||||
|
||||
if( m_width*3 + 32 > buffer_size )
|
||||
bgr = new uchar[m_width*3 + 32];
|
||||
|
||||
// create LUT for converting colors
|
||||
for( i = 0; i <= m_maxval; i++ )
|
||||
{
|
||||
gray_palette[i] = (uchar)((i*255/m_maxval)^(m_bpp == 1 ? 255 : 0));
|
||||
}
|
||||
|
||||
FillGrayPalette( palette, m_bpp==1 ? 1 : 8 , m_bpp == 1 );
|
||||
|
||||
if( setjmp( m_strm.JmpBuf()) == 0 )
|
||||
{
|
||||
m_strm.SetPos( m_offset );
|
||||
|
||||
switch( m_bpp )
|
||||
{
|
||||
////////////////////////// 1 BPP /////////////////////////
|
||||
case 1:
|
||||
if( !m_binary )
|
||||
{
|
||||
for( y = 0; y < m_height; y++, data += step )
|
||||
{
|
||||
for( x = 0; x < m_width; x++ )
|
||||
src[x] = ReadNumber( m_strm, 1 ) != 0;
|
||||
|
||||
if( color )
|
||||
FillColorRow8( data, src, m_width, palette );
|
||||
else
|
||||
FillGrayRow8( data, src, m_width, gray_palette );
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
for( y = 0; y < m_height; y++, data += step )
|
||||
{
|
||||
m_strm.GetBytes( src, src_pitch );
|
||||
|
||||
if( color )
|
||||
FillColorRow1( data, src, m_width, palette );
|
||||
else
|
||||
FillGrayRow1( data, src, m_width, gray_palette );
|
||||
}
|
||||
}
|
||||
result = true;
|
||||
break;
|
||||
|
||||
////////////////////////// 8 BPP /////////////////////////
|
||||
case 8:
|
||||
case 24:
|
||||
for( y = 0; y < m_height; y++, data += step )
|
||||
{
|
||||
if( !m_binary )
|
||||
{
|
||||
for( x = 0; x < width3; x++ )
|
||||
{
|
||||
int code = ReadNumber( m_strm, INT_MAX );
|
||||
if( (unsigned)code > (unsigned)m_maxval ) code = m_maxval;
|
||||
src[x] = gray_palette[code];
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
m_strm.GetBytes( src, src_pitch );
|
||||
}
|
||||
|
||||
if( m_bpp == 8 )
|
||||
{
|
||||
if( color )
|
||||
FillColorRow8( data, src, m_width, palette );
|
||||
else
|
||||
memcpy( data, src, m_width );
|
||||
}
|
||||
else
|
||||
{
|
||||
if( color )
|
||||
icvCvt_RGB2BGR_8u_C3R( src, 0, data, 0, cvSize(m_width,1) );
|
||||
else
|
||||
icvCvt_BGR2Gray_8u_C3C1R( src, 0, data, 0, cvSize(m_width,1), 2 );
|
||||
}
|
||||
}
|
||||
result = true;
|
||||
break;
|
||||
default:
|
||||
assert(0);
|
||||
}
|
||||
}
|
||||
|
||||
if( src != buffer )
|
||||
delete[] src;
|
||||
|
||||
if( bgr != bgr_buffer )
|
||||
delete[] bgr;
|
||||
|
||||
if( gray_palette != pal_buffer )
|
||||
delete[] gray_palette;
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
GrFmtPxMWriter::GrFmtPxMWriter( const char* filename ) : GrFmtWriter( filename )
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
GrFmtPxMWriter::~GrFmtPxMWriter()
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
static char PxMLUT[256][5];
|
||||
static bool isPxMLUTInitialized = false;
|
||||
|
||||
bool GrFmtPxMWriter::WriteImage( const uchar* data, int step,
|
||||
int width, int height, int /*depth*/, int _channels )
|
||||
{
|
||||
bool isBinary = false;
|
||||
bool result = false;
|
||||
|
||||
int channels = _channels > 1 ? 3 : 1;
|
||||
int fileStep = width*channels;
|
||||
int x, y;
|
||||
|
||||
assert( data && width > 0 && height > 0 && step >= fileStep );
|
||||
|
||||
if( m_strm.Open( m_filename ) )
|
||||
{
|
||||
int lineLength = ((isBinary ? 1 : 4)*channels +
|
||||
(channels > 1 ? 2 : 0))*width + 32;
|
||||
int bufferSize = 128; // buffer that should fit a header
|
||||
char* buffer = 0;
|
||||
|
||||
if( bufferSize < lineLength )
|
||||
bufferSize = lineLength;
|
||||
|
||||
buffer = new char[bufferSize];
|
||||
if( !buffer )
|
||||
{
|
||||
m_strm.Close();
|
||||
return false;
|
||||
}
|
||||
|
||||
if( !isPxMLUTInitialized )
|
||||
{
|
||||
for( int i = 0; i < 256; i++ )
|
||||
sprintf( PxMLUT[i], "%4d", i );
|
||||
|
||||
isPxMLUTInitialized = 1;
|
||||
}
|
||||
|
||||
// write header;
|
||||
sprintf( buffer, "P%c\n%d %d\n255\n",
|
||||
'2' + (channels > 1 ? 1 : 0) + (isBinary ? 3 : 0),
|
||||
width, height );
|
||||
|
||||
m_strm.PutBytes( buffer, (int)strlen(buffer) );
|
||||
|
||||
for( y = 0; y < height; y++, data += step )
|
||||
{
|
||||
if( isBinary )
|
||||
{
|
||||
if( _channels == 3 )
|
||||
icvCvt_BGR2RGB_8u_C3R( (uchar*)data, 0,
|
||||
(uchar*)buffer, 0, cvSize(width,1) );
|
||||
else if( _channels == 4 )
|
||||
icvCvt_BGRA2BGR_8u_C4C3R( (uchar*)data, 0,
|
||||
(uchar*)buffer, 0, cvSize(width,1), 1 );
|
||||
m_strm.PutBytes( channels > 1 ? buffer : (char*)data, fileStep );
|
||||
}
|
||||
else
|
||||
{
|
||||
char* ptr = buffer;
|
||||
|
||||
if( channels > 1 )
|
||||
for( x = 0; x < width*channels; x += channels )
|
||||
{
|
||||
strcpy( ptr, PxMLUT[data[x+2]] );
|
||||
ptr += 4;
|
||||
strcpy( ptr, PxMLUT[data[x+1]] );
|
||||
ptr += 4;
|
||||
strcpy( ptr, PxMLUT[data[x]] );
|
||||
ptr += 4;
|
||||
*ptr++ = ' ';
|
||||
*ptr++ = ' ';
|
||||
}
|
||||
else
|
||||
for( x = 0; x < width; x++ )
|
||||
{
|
||||
strcpy( ptr, PxMLUT[data[x]] );
|
||||
ptr += 4;
|
||||
}
|
||||
|
||||
*ptr++ = '\n';
|
||||
|
||||
m_strm.PutBytes( buffer, (int)(ptr - buffer) );
|
||||
}
|
||||
}
|
||||
delete[] buffer;
|
||||
m_strm.Close();
|
||||
result = true;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user