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our current experimental Neutrino branch

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git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-experimental@27 e54a6e83-5905-42d5-8d5c-058d10e6a962


Origin commit data
------------------
Branch: ni/coolstream
Commit: bc5bd4154e
Author: mrcolor <mrcolor@e54a6e83-5905-42d5-8d5c-058d10e6a962>
Date: 2009-12-08 (Tue, 08 Dec 2009)



------------------
This commit was generated by Migit
This commit is contained in:
mrcolor
2009-12-08 11:05:11 +00:00
commit bcecfb6585
876 changed files with 193775 additions and 0 deletions
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160
src/driver/pictureviewer/gif.cpp Normal file
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#include "config.h"
#include <cstring>
#include <cstdlib>
#ifdef FBV_SUPPORT_GIF
#include "pictureviewer.h"
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <setjmp.h>
extern "C" {
#include <gif_lib.h>
}
#include <signal.h>
#define min(a,b) ((a) < (b) ? (a) : (b))
#define gflush return(FH_ERROR_FILE);
#define grflush { DGifCloseFile(gft); return(FH_ERROR_FORMAT); }
#define mgrflush { free(lb); free(slb); DGifCloseFile(gft); return(FH_ERROR_FORMAT); }
#define agflush return(FH_ERROR_FORMAT);
#define agrflush { DGifCloseFile(gft); return(FH_ERROR_FORMAT); }
int fh_gif_id(const char *name)
{
int fd;
char id[4];
fd=open(name,O_RDONLY); if(fd==-1) return(0);
read(fd,id,4);
close(fd);
if(id[0]=='G' && id[1]=='I' && id[2]=='F') return(1);
return(0);
}
inline void m_rend_gif_decodecolormap(unsigned char *cmb,unsigned char *rgbb,ColorMapObject *cm,int s,int l)
{
GifColorType *cmentry;
int i;
for(i=0;i<l;i++)
{
cmentry=&cm->Colors[cmb[i]];
*(rgbb++)=cmentry->Red;
*(rgbb++)=cmentry->Green;
*(rgbb++)=cmentry->Blue;
}
}
int fh_gif_load(const char *name,unsigned char **buffer,int* xp,int* yp)
{
int px,py,i,ibxs;
int j;
unsigned char *fbptr;
unsigned char *lb;
unsigned char *slb;
GifFileType *gft;
GifByteType *extension;
int extcode;
GifRecordType rt;
ColorMapObject *cmap;
int cmaps;
gft=DGifOpenFileName(name);
if(gft==NULL) gflush;
do
{
if(DGifGetRecordType(gft,&rt) == GIF_ERROR) grflush;
switch(rt)
{
case IMAGE_DESC_RECORD_TYPE:
if(DGifGetImageDesc(gft)==GIF_ERROR) grflush;
px=gft->Image.Width;
py=gft->Image.Height;
lb=(unsigned char*)malloc(px*3);
slb=(unsigned char*) malloc(px);
// printf("reading...\n");
if(lb!=NULL && slb!=NULL)
{
cmap=(gft->Image.ColorMap ? gft->Image.ColorMap : gft->SColorMap);
cmaps=cmap->ColorCount;
ibxs=ibxs*3;
fbptr=*buffer;
if(!(gft->Image.Interlace))
{
for(i=0;i<py;i++,fbptr+=px*3)
{
if(DGifGetLine(gft,slb,px)==GIF_ERROR) mgrflush;
m_rend_gif_decodecolormap(slb,lb,cmap,cmaps,px);
memcpy(fbptr,lb,px*3);
}
}
else
{
for(j=0;j<4;j++)
{
fbptr=*buffer;
for(i=0;i<py;i++,fbptr+=px*3)
{
if(DGifGetLine(gft,slb,px)==GIF_ERROR) mgrflush;
m_rend_gif_decodecolormap(slb,lb,cmap,cmaps,px);
memcpy(fbptr,lb,px*3);
}
}
}
}
if(lb) free(lb);
if(slb) free(slb);
break;
case EXTENSION_RECORD_TYPE:
if(DGifGetExtension(gft,&extcode,&extension)==GIF_ERROR) grflush;
while(extension!=NULL)
if(DGifGetExtensionNext(gft,&extension)==GIF_ERROR) grflush;
break;
default:
break;
}
}
while( rt!= TERMINATE_RECORD_TYPE );
DGifCloseFile(gft);
return(FH_ERROR_OK);
}
int fh_gif_getsize(const char *name,int *x,int *y, int wanted_width, int wanted_height)
{
int px,py;
GifFileType *gft;
GifByteType *extension;
int extcode;
GifRecordType rt;
gft=DGifOpenFileName(name);
if(gft==NULL) gflush;
do
{
if(DGifGetRecordType(gft,&rt) == GIF_ERROR) grflush;
switch(rt)
{
case IMAGE_DESC_RECORD_TYPE:
if(DGifGetImageDesc(gft)==GIF_ERROR) grflush;
px=gft->Image.Width;
py=gft->Image.Height;
*x=px; *y=py;
DGifCloseFile(gft);
return(FH_ERROR_OK);
break;
case EXTENSION_RECORD_TYPE:
if(DGifGetExtension(gft,&extcode,&extension)==GIF_ERROR) grflush;
while(extension!=NULL)
if(DGifGetExtensionNext(gft,&extension)==GIF_ERROR) grflush;
break;
default:
break;
}
}
while( rt!= TERMINATE_RECORD_TYPE );
DGifCloseFile(gft);
return(FH_ERROR_FORMAT);
}
#endif