struct Image*
jd11_get_picture(int picnum,int thumbnail) {
struct Image *image;
int nrofpics;
int h,fd;
unsigned char *indexbuf,*uncomp[3],**imagebufs;
int sizes[3];
char *s;
if (picnum==0) {
fprintf(stderr,"jd11_get_picture: picnum 0???\n");
assert(picnum);
}
picnum--;
fd=serial_open(serial_port);
if (fd==-1) {
return NULL;
}
nrofpics = serial_index_reader(fd,&indexbuf);
if (!nrofpics || (picnum>nrofpics)) {
return NULL;
}
image = (struct Image*)malloc(sizeof(struct Image));
memset(image,0,sizeof(*image));
if (thumbnail) {
int ind;
image->image = malloc(1*64*48*5+200); /* guessing imagesize */
strcpy(image->image,"P2\n64 48\n255\n");
s=image->image+strlen(image->image);
ind = picnum*64*48;
for (h=48;h--;) { /* upside down */
int w;
for (w=64;w--;) { /* and right to left */
sprintf(s,"%d ",indexbuf[ind+(h*64)+w]);s+=strlen(s);
if ((w&0xf)==0xf)
*s++='\n';
}
}
*s++='\0';
image->image_size = strlen(image->image);
strcpy(image->image_type,"ppm");
free(indexbuf);
return image;
}
free(indexbuf);
serial_image_reader(fd,picnum,&imagebufs,sizes);
uncomp[0] = malloc(320*480);
uncomp[1] = malloc(320*480/2);
uncomp[2] = malloc(320*480/2);
if (sizes[0]!=115200) {
picture_decomp_v1(imagebufs[0],uncomp[0],320,480);
picture_decomp_v1(imagebufs[1],uncomp[1],320,480/2);
picture_decomp_v1(imagebufs[2],uncomp[2],320,480/2);
} else {
picture_decomp_v2(imagebufs[0],uncomp[0],320,480);
picture_decomp_v2(imagebufs[1],uncomp[1],320,480/2);
picture_decomp_v2(imagebufs[2],uncomp[2],320,480/2);
}
image->image = malloc(1*640*480*3+200); /* guessing imagesize */
strcpy(image->image,"P6\n640 480\n255\n");
s=image->image+strlen(image->image);
image->image_size = strlen(image->image)+640*480*3;
for (h=480;h--;) { /* upside down */
int w;
for (w=640;w--;) { /* right to left */
/* and images are in green red blue */
*s++=uncomp[1][(h/2)*320+(w/2)];
*s++=uncomp[0][h*320+(w/2)];
*s++=uncomp[2][(h/2)*320+(w/2)];
}
}
free(uncomp[0]);free(uncomp[1]);free(uncomp[2]);
free(imagebufs[0]);free(imagebufs[1]);free(imagebufs[2]);free(imagebufs);
strcpy(image->image_type,"ppm");
serial_close(fd);
return image;
}
int
jd11_get_image_full(
Camera *camera, CameraFile*file, int nr, int raw, GPContext *context
) {
unsigned char *s,*uncomp[3],**imagebufs;
int ret,sizes[3];
unsigned char *data;
int h;
ret = serial_image_reader(camera,file,nr,&imagebufs,sizes, context);
if (ret!=GP_OK)
return ret;
uncomp[0] = malloc(320*480);
uncomp[1] = malloc(320*480/2);
uncomp[2] = malloc(320*480/2);
if (sizes[0]!=115200) {
picture_decomp_v1(imagebufs[0],uncomp[0],320,480);
picture_decomp_v1(imagebufs[1],uncomp[1],320,480/2);
picture_decomp_v1(imagebufs[2],uncomp[2],320,480/2);
} else {
picture_decomp_v2(imagebufs[0],uncomp[0],320,480);
picture_decomp_v2(imagebufs[1],uncomp[1],320,480/2);
picture_decomp_v2(imagebufs[2],uncomp[2],320,480/2);
}
gp_file_append(file, IMGHEADER, strlen(IMGHEADER));
data = malloc(640*480*3);
if (!raw) {
unsigned char *bayerpre;
s = bayerpre = malloc(640*480);
/* note that picture is upside down and left<->right mirrored */
for (h=480;h--;) {
int w;
for (w=320;w--;) {
if (h&1) {
/* G B G B G B G B G */
*s++ = uncomp[2][(h/2)*320+w];
*s++ = uncomp[0][h*320+w];
} else {
/* R G R G R G R G R */
*s++ = uncomp[0][h*320+w];
*s++ = uncomp[1][(h/2)*320+w];
}
}
}
gp_bayer_decode(bayerpre,640,480,data,BAYER_TILE_RGGB);
free(bayerpre);
} else {
s=data;
for (h=480;h--;) { /* upside down */
int w;
for (w=640;w--;) { /* right to left */
/* and images are in green red blue */
*s++=uncomp[1][(h/2)*320+(w/2)];
*s++=uncomp[0][h*320+(w/2)];
*s++=uncomp[2][(h/2)*320+(w/2)];
}
}
}
free(uncomp[0]);free(uncomp[1]);free(uncomp[2]);
free(imagebufs[0]);free(imagebufs[1]);free(imagebufs[2]);free(imagebufs);
gp_file_append(file, (char*)data, 640*480*3);
free(data);
return GP_OK;
}