let name = format!("{}out{:02}_{:08}.pgm", pfx, strno, num);
let mut ofile = File::create(name).unwrap();
let buf = frm.get_buffer().get_vbuf().unwrap();
+ let is_flipped = buf.get_info().is_flipped();
let (w, h) = buf.get_dimensions(0);
let (w2, h2) = buf.get_dimensions(1);
+ let full_w = w2 * 2 > w;
let has_alpha = buf.get_info().get_format().has_alpha();
- let tot_h;
+ let mut tot_h = h + h2;
if has_alpha {
- tot_h = h * 2 + h2;
- } else {
- tot_h = h + h2;
+ tot_h += h;
+ }
+ if full_w {
+ tot_h += h2;
}
let hdr = format!("P5\n{} {}\n255\n", w, tot_h);
ofile.write_all(hdr.as_bytes()).unwrap();
let dta = buf.get_data();
let ls = buf.get_stride(0);
- let mut idx = 0;
- let mut idx2 = w;
- let mut pad: Vec<u8> = Vec::with_capacity((w - w2 * 2) / 2);
- pad.resize((w - w2 * 2) / 2, 0xFF);
- for _ in 0..h {
- let line = &dta[idx..idx2];
- ofile.write_all(line).unwrap();
- idx += ls;
- idx2 += ls;
+ let pad: Vec<u8> = vec![0xFF; if !full_w { (w - w2 * 2) / 2 } else { w - w2 } ];
+ if !is_flipped {
+ let ylines = dta.chunks(ls).take(h);
+ for line in ylines {
+ ofile.write_all(&line[..w]).unwrap();
+ }
+ } else {
+ let ylines = dta[..h * ls].chunks(ls).rev();
+ for line in ylines {
+ ofile.write_all(&line[..w]).unwrap();
+ }
}
- let mut base1 = buf.get_offset(1);
+ let base1 = buf.get_offset(1);
let stride1 = buf.get_stride(1);
- let mut base2 = buf.get_offset(2);
+ let base2 = buf.get_offset(2);
let stride2 = buf.get_stride(2);
- for _ in 0..h2 {
- let bend1 = base1 + w2;
- let line = &dta[base1..bend1];
- ofile.write_all(line).unwrap();
- ofile.write_all(pad.as_slice()).unwrap();
+ let u = &dta[base1..][..h2*stride1];
+ let v = &dta[base2..][..h2*stride2];
+ if !full_w {
+ if !is_flipped {
+ for (uline, vline) in u.chunks(stride1).zip(v.chunks(stride2)) {
+ ofile.write_all(&uline[..w2]).unwrap();
+ ofile.write_all(pad.as_slice()).unwrap();
- let bend2 = base2 + w2;
- let line = &dta[base2..bend2];
- ofile.write_all(line).unwrap();
- ofile.write_all(pad.as_slice()).unwrap();
+ ofile.write_all(&vline[..w2]).unwrap();
+ ofile.write_all(pad.as_slice()).unwrap();
+ }
+ } else {
+ for (uline, vline) in u.chunks(stride1).rev().zip(v.chunks(stride2).rev()) {
+ ofile.write_all(&uline[..w2]).unwrap();
+ ofile.write_all(pad.as_slice()).unwrap();
- base1 += stride1;
- base2 += stride2;
+ ofile.write_all(&vline[..w2]).unwrap();
+ ofile.write_all(pad.as_slice()).unwrap();
+ }
+ }
+ } else {
+ if !is_flipped {
+ for uline in u.chunks(stride1) {
+ ofile.write_all(&uline[..w2]).unwrap();
+ ofile.write_all(pad.as_slice()).unwrap();
+ }
+ for vline in v.chunks(stride2) {
+ ofile.write_all(&vline[..w2]).unwrap();
+ ofile.write_all(pad.as_slice()).unwrap();
+ }
+ } else {
+ for uline in u.chunks(stride1).rev() {
+ ofile.write_all(&uline[..w2]).unwrap();
+ ofile.write_all(pad.as_slice()).unwrap();
+ }
+ for vline in v.chunks(stride2).rev() {
+ ofile.write_all(&vline[..w2]).unwrap();
+ ofile.write_all(pad.as_slice()).unwrap();
+ }
+ }
}
if has_alpha {
let ls = buf.get_stride(3);
buf.get_info().get_format().get_chromaton(1).unwrap().get_offset() as usize,
buf.get_info().get_format().get_chromaton(2).unwrap().get_offset() as usize
];
- let mut idx = 0;
- let mut line: Vec<u8> = Vec::with_capacity(w * 3);
- line.resize(w * 3, 0);
+ let flipped = buf.get_info().is_flipped();
+ let mut idx = if !flipped { 0 } else { ls * (h - 1) };
+ let mut line: Vec<u8> = vec![0; w * 3];
for _ in 0..h {
let src = &dta[idx..(idx+w)];
for x in 0..w {
line[x * 3 + 2] = dta[paloff + pix * 3 + offs[2]];
}
ofile.write_all(line.as_slice()).unwrap();
- idx += ls;
+ if !flipped {
+ idx += ls;
+ } else {
+ idx -= ls;
+ }
}
}
buf.get_info().get_format().get_chromaton(1).unwrap().get_offset() as usize,
buf.get_info().get_format().get_chromaton(2).unwrap().get_offset() as usize
];
+ let flipped = buf.get_info().is_flipped();
let step = buf.get_info().get_format().get_elem_size() as usize;
- let mut line: Vec<u8> = Vec::with_capacity(w * 3);
- line.resize(w * 3, 0);
- for src in dta.chunks(stride) {
- for x in 0..w {
- line[x * 3 + 0] = src[x * step + offs[0]];
- line[x * 3 + 1] = src[x * step + offs[1]];
- line[x * 3 + 2] = src[x * step + offs[2]];
+ let mut line: Vec<u8> = vec![0; w * 3];
+ if !flipped {
+ for src in dta.chunks(stride) {
+ for x in 0..w {
+ line[x * 3 + 0] = src[x * step + offs[0]];
+ line[x * 3 + 1] = src[x * step + offs[1]];
+ line[x * 3 + 2] = src[x * step + offs[2]];
+ }
+ ofile.write_all(line.as_slice()).unwrap();
+ }
+ } else {
+ for src in dta[..stride * h].chunks(stride).rev() {
+ for x in 0..w {
+ line[x * 3 + 0] = src[x * step + offs[0]];
+ line[x * 3 + 1] = src[x * step + offs[1]];
+ line[x * 3 + 2] = src[x * step + offs[2]];
+ }
+ ofile.write_all(line.as_slice()).unwrap();
}
- ofile.write_all(line.as_slice()).unwrap();
}
} else if let NABufferType::Video16(ref buf) = frm.get_buffer() {
let (w, h) = buf.get_dimensions(0);
buf.get_info().get_format().get_chromaton(1).unwrap().get_shift(),
buf.get_info().get_format().get_chromaton(2).unwrap().get_shift()
];
- let mut line: Vec<u8> = Vec::with_capacity(w * 3);
- line.resize(w * 3, 0);
- for src in dta.chunks(stride) {
- for x in 0..w {
- let elem = src[x];
- let r = ((elem >> shifts[0]) & masks[0]) << (8 - depths[0]);
- let g = ((elem >> shifts[1]) & masks[1]) << (8 - depths[1]);
- let b = ((elem >> shifts[2]) & masks[2]) << (8 - depths[2]);
- line[x * 3 + 0] = r as u8;
- line[x * 3 + 1] = g as u8;
- line[x * 3 + 2] = b as u8;
+ let mut line: Vec<u8> = vec![0; w * 3];
+ let flipped = buf.get_info().is_flipped();
+ if !flipped {
+ for src in dta.chunks(stride) {
+ for x in 0..w {
+ let elem = src[x];
+ let r = ((elem >> shifts[0]) & masks[0]) << (8 - depths[0]);
+ let g = ((elem >> shifts[1]) & masks[1]) << (8 - depths[1]);
+ let b = ((elem >> shifts[2]) & masks[2]) << (8 - depths[2]);
+ line[x * 3 + 0] = r as u8;
+ line[x * 3 + 1] = g as u8;
+ line[x * 3 + 2] = b as u8;
+ }
+ ofile.write_all(line.as_slice()).unwrap();
+ }
+ } else {
+ for src in dta[..h * stride].chunks(stride).rev() {
+ for x in 0..w {
+ let elem = src[x];
+ let r = ((elem >> shifts[0]) & masks[0]) << (8 - depths[0]);
+ let g = ((elem >> shifts[1]) & masks[1]) << (8 - depths[1]);
+ let b = ((elem >> shifts[2]) & masks[2]) << (8 - depths[2]);
+ line[x * 3 + 0] = r as u8;
+ line[x * 3 + 1] = g as u8;
+ line[x * 3 + 2] = b as u8;
+ }
+ ofile.write_all(line.as_slice()).unwrap();
}
- ofile.write_all(line.as_slice()).unwrap();
}
} else {
panic!(" unhandled buf format");