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optixx
2009-04-22 20:04:28 +02:00
parent 55e3468f74
commit 0c378a9f7c
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1305
tools/zsnes/src/zip/unzip.c Normal file
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tools/zsnes/src/zip/zpng.c Normal file
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/*
Copyright (C) 1997-2007 ZSNES Team ( zsKnight, _Demo_, pagefault, Nach )
http://www.zsnes.com
http://sourceforge.net/projects/zsnes
https://zsnes.bountysource.com
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef NO_PNG
#include <png.h>
#endif
#ifdef __UNIXSDL__
#include "../gblhdr.h"
#else
#include <stdlib.h>
#ifdef __WIN32__
#include <io.h>
#else
#include <unistd.h>
#endif
#endif
#include "../zpath.h"
#define NUMCONV_FW2
#define NUMCONV_FW3
#define NUMCONV_FW4
#include "../numconv.h"
#ifdef __MSDOS__
#define MAX_PNGNAME_LEN 13
#else
#define MAX_PNGNAME_LEN (strlen(ZSaveName)+11) //11 = _12345.png\0
#endif
char *generate_image_filename(const char *image_suffix)
{
char *filename = (char *)malloc(MAX_PNGNAME_LEN);
if (filename)
{
unsigned int i;
#ifdef __MSDOS__
char *p = filename+3;
strcpy(filename, "img");
#else
char *p;
strcpy(filename, ZSaveName);
p = strrchr(filename, '.');
if (!p) { p = filename+strlen(filename); }
*p++ = '_';
#endif
for (i = 0; i < 100000; i++)
{
sprintf(p, "%05d.%s", i, image_suffix);
if (access_dir(ZSnapPath, filename, F_OK))
{
break;
}
}
if (i == 100000)
{
free(filename);
filename = 0;
}
}
return(filename);
}
extern unsigned short *vidbuffer;
extern unsigned short resolutn;
#define SNAP_HEIGHT resolutn
#define SNAP_WIDTH 256
#define PIXEL (vidbuffer[((y+1)*288) + x + 16])
#ifndef NO_PNG
#define PIXEL_SIZE 3
int Png_Dump(const char *filename, unsigned short width, unsigned short height, unsigned char *image_data, bool usebgr)
{
FILE *fp = fopen_dir(ZSnapPath, filename, "wb");
if (fp)
{
//Try to create png write struct, fail if we cannot.
png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, 0, 0, 0);
if (png_ptr)
{
png_infop info_ptr;
//set png I/O source.
png_init_io(png_ptr, fp);
//set the zlib compression level
png_set_compression_level(png_ptr, Z_BEST_COMPRESSION);
//set other zlib parameters
png_set_compression_mem_level(png_ptr, 8);
png_set_compression_strategy(png_ptr, Z_DEFAULT_STRATEGY);
png_set_compression_window_bits(png_ptr, 15);
png_set_compression_method(png_ptr, 8);
png_set_compression_buffer_size(png_ptr, 8192);
//try to create info struct. Fail and delete existing structs if info struct cannot be created.
info_ptr = png_create_info_struct(png_ptr);
if (info_ptr)
{
png_bytep *row_pointers;
//Set scanline width for 32-bit color data
unsigned int scanline = width*PIXEL_SIZE;
int png_transforms = 0;
unsigned int i;
//set a lot of image info (code adapted from libpng documentation!)
png_set_IHDR(png_ptr, info_ptr, width, height, 8,
PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
info_ptr->color_type = PNG_COLOR_TYPE_RGB;
//Allocate an array of scanline pointers
row_pointers = (png_bytep*)malloc(height*sizeof(png_bytep));
for (i = 0; i < height; i++)
{
#ifdef __UPSIDE_DOWN__
//invert to normal image format.
row_pointers[i] = image_data + scanline*(height-i-1);
#else
row_pointers[i] = image_data + scanline*i;
#endif
}
//tell the png library what to encode.
png_set_rows(png_ptr, info_ptr, row_pointers);
if (usebgr) { png_transforms|=PNG_TRANSFORM_BGR; }
//Write image to file
png_write_png(png_ptr, info_ptr, png_transforms, NULL);
fclose(fp);
//Destroy PNG structs
png_destroy_write_struct(&png_ptr, &info_ptr);
//clean up dynamically allocated RAM.
free(row_pointers);
return(0);
}
png_destroy_write_struct(&png_ptr, (png_infopp)NULL);
}
fclose(fp);
}
return(-1);
}
void Grab_PNG_Data()
{
char *filename = generate_image_filename("png");
if (filename)
{
unsigned char *DBits = (unsigned char *)malloc(SNAP_HEIGHT*SNAP_WIDTH*PIXEL_SIZE);
if (DBits)
{
//These are the variables used to perform the 24-bit conversion
unsigned int y = SNAP_HEIGHT, x;
// We can fill the array in any order, so might as well optimize loops
while (y--)
{
for (x=SNAP_WIDTH ; x-- ;)
{
DBits[PIXEL_SIZE*(y*SNAP_WIDTH+x)] = (PIXEL&0xF800) >> 8;
DBits[PIXEL_SIZE*(y*SNAP_WIDTH+x)+1] = (PIXEL&0x07E0) >> 3;
DBits[PIXEL_SIZE*(y*SNAP_WIDTH+x)+2] = (PIXEL&0x001F) << 3;
}
}
//compress and write the PNG
Png_Dump(filename, SNAP_WIDTH, SNAP_HEIGHT, DBits, false);
free(DBits);
}
free(filename);
}
}
#endif
void Grab_BMP_Data()
{
char *filename = generate_image_filename("bmp");
if (filename)
{
FILE *fp = fopen_dir(ZSnapPath, filename, "wb");
if (fp)
{
const unsigned int header_size = 26;
const unsigned short width = SNAP_WIDTH;
const unsigned short height = SNAP_HEIGHT;
unsigned short y = height, x;
fputs("BM", fp); //Header
fwrite4(width*height*3+header_size, fp); //File size
fwrite4(0, fp); //Reserved
fwrite4(header_size, fp); //Offset to bitmap
fwrite4(12, fp); //Length of color explain field;
fwrite2(width, fp); //Width
fwrite2(height, fp); //Height
fwrite2(1, fp); //Planes
fwrite2(24, fp); //Bits per pixel
while (y--) //Have to write image upside down
{
for (x = 0; x < width; x++)
{
fwrite3(((PIXEL&0xF800) << 8) | ((PIXEL&0x07E0) << 5) | ((PIXEL&0x001F) << 3), fp);
}
}
fclose(fp);
}
free(filename);
}
}
void Grab_BMP_Data_8()
{
char *filename = generate_image_filename("bmp");
if (filename)
{
FILE *fp = fopen_dir(ZSnapPath, filename, "wb");
if (fp)
{
const unsigned int colors = 256;
const unsigned int palette_size = colors*4;
const unsigned int header_size = palette_size+54;
const unsigned short width = SNAP_WIDTH;
const unsigned short height = SNAP_HEIGHT;
unsigned short y, x;
fputs("BM", fp); //Header
fwrite4(width*height+header_size, fp); //File size
fwrite4(0, fp); //Reserved
fwrite4(header_size, fp); //Offset to bitmap
fwrite4(40, fp); //Length of color explain field;
fwrite4(width, fp); //Width
fwrite4(height, fp); //Height
fwrite2(1, fp); //Planes
fwrite2(8, fp); //Bits per pixel
fwrite4(0, fp); //Compression Format
fwrite4(width*height, fp); //Bitmap data size
fwrite4(0, fp); //H-Res?
fwrite4(0, fp); //V-Res?
fwrite4(colors, fp); //Colors
fwrite4(colors, fp); //Important Colors
for (y = 0; y < colors; y++) //Write palette
{
unsigned char byte = 0;
fwrite((unsigned char *)vidbuffer+100000+y*3+3, 1, 1, fp);
fwrite((unsigned char *)vidbuffer+100000+y*3+2, 1, 1, fp);
fwrite((unsigned char *)vidbuffer+100000+y*3+1, 1, 1, fp);
fwrite(&byte, 1, 1, fp);
}
for (y = height; y-- ;) //Have to write image upside down
{
for (x = 0; x < width; x++)
{
fwrite((unsigned char *)vidbuffer+(y+1)*288+x+16, 1, 1, fp);
}
}
fclose(fp);
}
free(filename);
}
}

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tools/zsnes/src/zip/zunzip.h Normal file
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/* unzip.h -- IO for uncompress .zip files using zlib
Version 0.15 beta, Mar 19th, 1998,
Copyright (C) 1998 Gilles Vollant
This unzip package allow extract file from .ZIP file, compatible with PKZip 2.04g
WinZip, InfoZip tools and compatible.
Encryption and multi volume ZipFile (span) are not supported.
Old compressions used by old PKZip 1.x are not supported
THIS IS AN ALPHA VERSION. AT THIS STAGE OF DEVELOPPEMENT, SOMES API OR STRUCTURE
CAN CHANGE IN FUTURE VERSION !!
I WAIT FEEDBACK at mail info@winimage.com
Visit also http://www.winimage.com/zLibDll/unzip.htm for evolution
Condition of use and distribution are the same than zlib :
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/* for more info about .ZIP format, see
ftp://ftp.cdrom.com/pub/infozip/doc/appnote-970311-iz.zip
PkWare has also a specification at :
ftp://ftp.pkware.com/probdesc.zip */
#ifndef _unz_H
#define _unz_H
#ifdef __cplusplus
extern "C" {
#endif
#include <zlib.h>
#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)
/* like the STRICT of WIN32, we define a pointer that cannot be converted
from (void*) without cast */
typedef struct TagunzFile__ { int unused; } unzFile__;
typedef unzFile__ *unzFile;
#else
typedef voidp unzFile;
#endif
#define UNZ_OK (0)
#define UNZ_END_OF_LIST_OF_FILE (-100)
#define UNZ_ERRNO (Z_ERRNO)
#define UNZ_EOF (0)
#define UNZ_PARAMERROR (-102)
#define UNZ_BADZIPFILE (-103)
#define UNZ_INTERNALERROR (-104)
#define UNZ_CRCERROR (-105)
/* tm_unz contain date/time info */
typedef struct tm_unz_s
{
uInt tm_sec; /* seconds after the minute - [0,59] */
uInt tm_min; /* minutes after the hour - [0,59] */
uInt tm_hour; /* hours since midnight - [0,23] */
uInt tm_mday; /* day of the month - [1,31] */
uInt tm_mon; /* months since January - [0,11] */
uInt tm_year; /* years - [1980..2044] */
} tm_unz;
/* unz_global_info structure contain global data about the ZIPfile
These data comes from the end of central dir */
typedef struct unz_global_info_s
{
uLong number_entry; /* total number of entries in
the central dir on this disk */
uLong size_comment; /* size of the global comment of the zipfile */
} unz_global_info;
/* unz_file_info contain information about a file in the zipfile */
typedef struct unz_file_info_s
{
uLong version; /* version made by 2 bytes */
uLong version_needed; /* version needed to extract 2 bytes */
uLong flag; /* general purpose bit flag 2 bytes */
uLong compression_method; /* compression method 2 bytes */
uLong dosDate; /* last mod file date in Dos fmt 4 bytes */
uLong crc; /* crc-32 4 bytes */
uLong compressed_size; /* compressed size 4 bytes */
uLong uncompressed_size; /* uncompressed size 4 bytes */
uLong size_filename; /* filename length 2 bytes */
uLong size_file_extra; /* extra field length 2 bytes */
uLong size_file_comment; /* file comment length 2 bytes */
uLong disk_num_start; /* disk number start 2 bytes */
uLong internal_fa; /* internal file attributes 2 bytes */
uLong external_fa; /* external file attributes 4 bytes */
tm_unz tmu_date;
} unz_file_info;
extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1,
const char* fileName2,
int iCaseSensitivity));
/*
Compare two filename (fileName1,fileName2).
If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi
or strcasecmp)
If iCaseSenisivity = 0, case sensitivity is defaut of your operating system
(like 1 on Unix, 2 on Windows)
*/
extern unzFile ZEXPORT unzOpen OF((const char *path));
/*
Open a Zip file. path contain the full pathname (by example,
on a Windows NT computer "c:\\zlib\\zlib111.zip" or on an Unix computer
"zlib/zlib111.zip".
If the zipfile cannot be opened (file don't exist or in not valid), the
return value is NULL.
Else, the return value is a unzFile Handle, usable with other function
of this unzip package.
*/
extern int ZEXPORT unzClose OF((unzFile file));
/*
Close a ZipFile opened with unzipOpen.
If there is files inside the .Zip opened with unzOpenCurrentFile (see later),
these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
return UNZ_OK if there is no problem. */
extern int ZEXPORT unzGetGlobalInfo OF((unzFile file,
unz_global_info *pglobal_info));
/*
Write info about the ZipFile in the *pglobal_info structure.
No preparation of the structure is needed
return UNZ_OK if there is no problem. */
extern int ZEXPORT unzGetGlobalComment OF((unzFile file,
char *szComment,
uLong uSizeBuf));
/*
Get the global comment string of the ZipFile, in the szComment buffer.
uSizeBuf is the size of the szComment buffer.
return the number of byte copied or an error code <0
*/
/***************************************************************************/
/* Unzip package allow you browse the directory of the zipfile */
extern int ZEXPORT unzGoToFirstFile OF((unzFile file));
/*
Set the current file of the zipfile to the first file.
return UNZ_OK if there is no problem
*/
extern int ZEXPORT unzGoToNextFile OF((unzFile file));
/*
Set the current file of the zipfile to the next file.
return UNZ_OK if there is no problem
return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
*/
extern int ZEXPORT unzLocateFile OF((unzFile file,
const char *szFileName,
int iCaseSensitivity));
/*
Try locate the file szFileName in the zipfile.
For the iCaseSensitivity signification, see unzStringFileNameCompare
return value :
UNZ_OK if the file is found. It becomes the current file.
UNZ_END_OF_LIST_OF_FILE if the file is not found
*/
extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file,
unz_file_info *pfile_info,
char *szFileName,
uLong fileNameBufferSize,
void *extraField,
uLong extraFieldBufferSize,
char *szComment,
uLong commentBufferSize));
/*
Get Info about the current file
if pfile_info!=NULL, the *pfile_info structure will contain somes info about
the current file
if szFileName!=NULL, the filemane string will be copied in szFileName
(fileNameBufferSize is the size of the buffer)
if extraField!=NULL, the extra field information will be copied in extraField
(extraFieldBufferSize is the size of the buffer).
This is the Central-header version of the extra field
if szComment!=NULL, the comment string of the file will be copied in szComment
(commentBufferSize is the size of the buffer)
*/
/***************************************************************************/
/* for reading the content of the current zipfile, you can open it, read data
from it, and close it (you can close it before reading all the file)
*/
extern int ZEXPORT unzOpenCurrentFile OF((unzFile file));
/*
Open for reading data the current file in the zipfile.
If there is no error, the return value is UNZ_OK.
*/
extern int ZEXPORT unzCloseCurrentFile OF((unzFile file));
/*
Close the file in zip opened with unzOpenCurrentFile
Return UNZ_CRCERROR if all the file was read but the CRC is not good
*/
extern int ZEXPORT unzReadCurrentFile OF((unzFile file,
voidp buf,
unsigned len));
/*
Read bytes from the current file (opened by unzOpenCurrentFile)
buf contain buffer where data must be copied
len the size of buf.
return the number of byte copied if somes bytes are copied
return 0 if the end of file was reached
return <0 with error code if there is an error
(UNZ_ERRNO for IO error, or zLib error for uncompress error)
*/
extern z_off_t ZEXPORT unztell OF((unzFile file));
/*
Give the current position in uncompressed data
*/
extern int ZEXPORT unzeof OF((unzFile file));
/*
return 1 if the end of file was reached, 0 elsewhere
*/
extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file,
voidp buf,
unsigned len));
/*
Read extra field from the current file (opened by unzOpenCurrentFile)
This is the local-header version of the extra field (sometimes, there is
more info in the local-header version than in the central-header)
if buf==NULL, it return the size of the local extra field
if buf!=NULL, len is the size of the buffer, the extra header is copied in
buf.
the return value is the number of bytes copied in buf, or (if <0)
the error code
*/
#ifdef __cplusplus
}
#endif
#endif /* _unz_H */