int inputimggif(char *infname,unsigned char **RGB,int *ny,int *nx)
{
PICINFO pinfo;
int imagesize,i,dim,j,k;
if (LoadGIF(infname,&pinfo,&imagesize)!=1)
{
printf("can not open %s\n",infname);
exit (0);
}
*ny = pinfo.h;
*nx = pinfo.w;
imagesize = (*ny)*(*nx);
for (i=0;i<256;i++)
{
if (pinfo.r[i]!=pinfo.g[i] || pinfo.g[i]!=pinfo.b[i] || pinfo.b[i]!=pinfo.r[i])
break;
}
if (i<256)
{
for (j=0;j<imagesize;j++) { if (pinfo.pic[j]>=i) break; }
if (j<imagesize) dim = 3;
else dim = 1;
}
else dim = 1;
*RGB = (unsigned char *)calloc(imagesize*dim,sizeof(unsigned char));
k=0;
imagesize = (*ny)*(*nx);
for (i=0; i<imagesize; i++)
{
j = pinfo.pic[i];
(*RGB)[k] = (unsigned char) pinfo.r[j]; k++;
if (dim==3)
{
(*RGB)[k] = (unsigned char) pinfo.g[j]; k++;
(*RGB)[k] = (unsigned char) pinfo.b[j]; k++;
}
}
free(pinfo.pic);
if (pinfo.comment!=NULL) free(pinfo.comment);
return dim;
}
int main(int argc, char** argv)
{
if (argc != 5 && argc != 6 && argc != 7)
{
printf("Usage: program SourceJPEG DestJPEG DestWidth DestHeight [bpp] [rotation]\r\n");
return -1;
}
RawImage_t* myImage;
int bpp = 32;
int rotation = 0;
if (argc > 5)
bpp = atoi(argv[5]);
if (argc > 6)
rotation = atoi(argv[6]);
char* lastDot = strrchr(argv[1], '.');
if (lastDot && !strcasecmp(lastDot, ".png"))
{
FILE* fp = fopen(argv[1], "rb");
myImage = LoadPNG(fp, atoi(argv[3]), atoi(argv[4]));
fclose(fp);
}
else if (lastDot && !strcasecmp(lastDot, ".gif"))
{
int fp = open(argv[1], O_RDONLY | O_BINARY);
myImage = LoadGIF(fp, atoi(argv[3]), atoi(argv[4]));
close(fp);
}
else if (lastDot && (!strcasecmp(lastDot, ".tif") || !strcasecmp(lastDot, ".tiff")))
{
int fp = open(argv[1], O_RDONLY | O_BINARY);
myImage = LoadTIFF(fp, argv[1], atoi(argv[3]), atoi(argv[4]));
close(fp);
}
else
{
FILE* fp = fopen(argv[1], "rb");
myImage = LoadJPEG(fp, atoi(argv[3]), atoi(argv[4]), bpp, rotation);
fclose(fp);
}
printf("Finished loading image\r\n");fflush(stdout);
if (!myImage)
{
printf("FAILED loading image\r\n");
return -1;
}
FILE* fp = fopen(argv[2], "wb");
if (strstr(argv[2], ".png"))
{
if (SavePNG(myImage, fp))
printf("FAILED saving PNG image\r\n");
}
else if (SaveJPEG(myImage, fp))
{
printf("FAILED saving JPEG image\r\n");
}
fclose(fp);
free(myImage->pPlane);
free(myImage);
return 0;
}
