+++ /dev/null
-/*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 <windows.h>
-
-#include "vlgrfmts.h"
-#include "grfmt_base.h"
-#include "grfmt_bmp.h"
-#include "grfmt_jpeg.h"
-#include "grfmt_pxm.h"
-
-static GrFmtReadersList* fmts_list = 0;
-
-static void InitObjects()
-{
- if( fmts_list == 0 )
- {
- fmts_list = new GrFmtReadersList;
- fmts_list->AddReader( new GrFmtBmpReader() );
- fmts_list->AddReader( new GrFmtSunRasterReader() );
- fmts_list->AddReader( new GrFmtJpegReader() );
- fmts_list->AddReader( new GrFmtJpegReader() );
- }
-}
-
-
-BOOL APIENTRY DllMain( HANDLE hModule,
- DWORD ul_reason_for_call,
- LPVOID lpReserved )
-{
- hModule, lpReserved, ul_reason_for_call; // unref. params
- switch (ul_reason_for_call)
- {
- case DLL_PROCESS_ATTACH:
- InitObjects();
- break;
- case DLL_PROCESS_DETACH:
- case DLL_THREAD_ATTACH:
- case DLL_THREAD_DETACH:
- break;
- }
- return TRUE;
-}
-
-///////////////// API ///////////////////
-
-DLL_API int gr_fmt_find_filter( const char* file_name )
-{
- GrFmtReader* filter = fmts_list->FindReader( file_name );
- if( filter )
- {
- filter->SetFile( file_name );
- }
- return (int)filter;
-}
-
-
-DLL_API int gr_fmt_read_header( int filter, int* width, int* height, int* color )
-{
- GrFmtReader* reader = (GrFmtReader*)filter;
- int result = 0;
-
- if( filter != 0 && width != 0 && height != 0 && reader->ReadHeader())
- {
- *width = reader->GetWidth();
- *height = reader->GetHeight();
- if( color ) *color = reader->GetColor();
- result = 1;
- }
-
- return result;
-}
-
-
-DLL_API int gr_fmt_read_data( int filter, void* data, int step, int color )
-{
- GrFmtReader* reader = (GrFmtReader*)filter;
- int result = 0;
-
- if( filter != 0 && data != 0 && step != 0 && (color&~1) == 0 ||
- step >= ((reader->GetWidth()*(color ? 3 : 1) + 3) & -4))
- {
- result = reader->ReadData( (unsigned char*)data, step, color );
- }
-
- return result;
-}
-
-DLL_API int gr_fmt_close_filter( int filter )
-{
- if( filter != 0 ) ((GrFmtReader*)filter)->Close();
- return 1;
-}
-
-
-DLL_API int gr_fmt_write_image( void* src_data, int src_pitch,
- int width, int height, int color,
- const char* filename, const char* format )
-{
- int result = 0;
- FILE* f = 0;
- int bpp = color ? 24 : 8;
- int dst_pitch = (width*(bpp/8) + 3) & -4;
-
- if( strcmp( format, "bmp" ) && strcmp( format, "BMP" )) return 0;
-
- if( !src_data || width <= 0 || height <= 0 || (color&~1) ||
- dst_pitch > src_pitch || !filename ) return 0;
-
- f = fopen( filename, "wb" );
- if( f )
- {
- int bitmap_header_size = 40;
- int palette_size = color ? 0 : 1024;
- int header_size = 14 /* fileheader */ + bitmap_header_size +
- palette_size;
- char signature[2] = { 'B', 'M' };
- unsigned char palette[256*4];
- char* data = (char*)src_data;
- int file_header[] = { dst_pitch*height + header_size, 0, header_size };
- int bitmap_header[] = { bitmap_header_size, width, height,
- 1|(bpp << 16), 0, 0, 0, 0, 0, 0 };
- int i;
-
- fwrite( signature, 1, sizeof(signature), f );
- fwrite( file_header, 1, sizeof(file_header), f );
- fwrite( bitmap_header, 1, bitmap_header_size, f );
-
- if( !color )
- {
- for( i = 0; i < 256; i++ )
- {
- palette[i*4] = palette[i*4 + 1] = palette[i*4 + 2] = (unsigned char)i;
- palette[i*4 + 3] = 0;
- }
- fwrite( palette, 1, sizeof(palette), f );
- }
-
- data += src_pitch*(height - 1);
- for( i = height; i > 0; i--, data -= src_pitch )
- {
- fwrite( data, 1, dst_pitch, f );
- }
- fclose(f);
- result = 1;
- }
- return result;
-}
projects / opencv / blobdiff