71 lines
2.7 KiB
Rust
71 lines
2.7 KiB
Rust
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use std::path::Path;
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use hcie_psd::psd_reader::PsdReader;
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fn main() {
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let path = Path::new("/mnt/extra/00_PROJECTS/hcie-rust-v4/_tmp/Example3-mini-roundtrip.psd");
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let bytes = std::fs::read(path).unwrap();
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let mut r = PsdReader::new(&bytes);
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r.read(26).unwrap();
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let color_mode_len = r.read_u32().unwrap() as usize;
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r.read(color_mode_len).unwrap();
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let img_res_len = r.read_u32().unwrap() as usize;
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r.read(img_res_len).unwrap();
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let layer_mask_len = r.read_u32().unwrap() as usize;
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println!("Layer/mask info len: {}", layer_mask_len);
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let layer_info_len = r.read_u32().unwrap() as usize;
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println!("Layer info len: {}", layer_info_len);
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let _layer_info_start = r.pos();
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let layer_count_raw = r.read_i16().unwrap();
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println!("Layer count raw: {}", layer_count_raw);
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let layer_count = layer_count_raw.abs() as usize;
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let mut layer_records = Vec::new();
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for idx in 0..layer_count {
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let top = r.read_i32().unwrap();
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let left = r.read_i32().unwrap();
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let bottom = r.read_i32().unwrap();
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let right = r.read_i32().unwrap();
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let channel_count = r.read_u16().unwrap() as usize;
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let mut channels = Vec::new();
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for _ in 0..channel_count {
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let id = r.read_i16().unwrap();
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let len = r.read_u32().unwrap();
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channels.push((id, len));
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}
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println!("Layer {}: top={} left={} bottom={} right={} channels={:?}", idx, top, left, bottom, right, &channels);
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r.read(4).unwrap(); // sig
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r.read(4).unwrap(); // blend
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r.read_u8().unwrap(); // opacity
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r.read_u8().unwrap(); // clipping
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r.read_u8().unwrap(); // flags
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r.read(1).unwrap(); // filler
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let extra_data_len = r.read_u32().unwrap() as usize;
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let extra_start = r.pos();
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// Skip extra data (we don't need to parse it here)
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r.read(extra_data_len).unwrap();
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layer_records.push((idx, top, left, bottom, right, channels, extra_start, extra_data_len));
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}
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println!("\n=== Channel Data ===");
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for (idx, top, left, bottom, right, channels, _, _) in layer_records {
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let w = (right - left) as u32;
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let h = (bottom - top) as u32;
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println!("\nLayer {}: {}x{} at ({},{})", idx, w, h, left, top);
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for (ch_id, ch_len) in channels {
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let compression = r.read_u16().unwrap();
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let data_len = ch_len as usize - 2;
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let data = r.read(data_len).unwrap();
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let nonzero = data.iter().filter(|&&v| v > 0).count();
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println!(" Channel {}: compression={} data_len={} nonzero={}", ch_id, compression, data_len, nonzero);
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}
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}
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}
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