c8f981f045
feat: phase 5 — Tight decoder with zlib streams and sub-palettes
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codec/tight.rs:
- Full Tight (encoding 7) decoder per ByteColorRFBRenderer.a() line 324
- Control byte: bottom 4 bits = zlib stream reset flags,
top 4 bits = subencoding (0-15)
- Subencoding 8: solid fill (1-byte color)
- Subencoding 15: palette-indexed fill (selector + index)
- Subencodings 4-7: filtered data with optional 2-color palette
- Subencodings 10-13: reduced bit-depth packed (1/2/4 bpp)
- Subencodings 0-3: raw 8bpp data
- Data >= 12 bytes uses zlib compression with varint length
- 4 persistent zlib streams with reset-on-flag logic
- All 4 hardcoded sub-palettes ported as RGB332 indices:
PALETTE_BW (2), PALETTE_GRAY4 (4), PALETTE_GRAY16 (16),
PALETTE_COLOR16 (16 EGA-like colors)
- Bit-depth unpackers: 1bpp, 2bpp, 4bpp (MSB-first)
- 5 unit tests
Updated examples to request [7, 5, 1, 0, -250] (Tight preferred).
Tested against real OmniView: correct rendering with Tight encoding.
32 tests passing.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com >
2026-05-06 14:44:06 +03:00
21ed797302
feat: phase 4 — Hextile decoder and recording example
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codec/hextile.rs:
- Full Hextile (encoding 5) decoder per ByteColorRFBRenderer.int()
- Handles: Raw tiles, BackgroundSpecified, ForegroundSpecified,
AnySubrects, SubrectsColoured flags
- Background/foreground colors persist across tiles
- 4 unit tests covering all subencoding paths
framebuffer.rs:
- Added fill_rect() for Hextile background/subrect fills
session.rs:
- Wired Hextile encoding 5 into the rect dispatch
examples/record.rs:
- 30-second (configurable) recording session
- Saves 1 PNG per second to out/ directory
- Requests encodings [5, 1, 0] (Hextile, CopyRect, Raw)
- Tested against real OmniView: 10 frames in 10s, no errors
27 tests passing.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com >
2026-05-06 14:35:20 +03:00
e9823aff03
feat: phase 3 — framebuffer, raw decoder, session pump, snapshot
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framebuffer.rs:
- Framebuffer struct (8bpp RGB332, row-major)
- apply_raw() blit, copy_rect() with overlap-safe logic
- to_rgba() via compile-time RGB332 LUT
session.rs:
- ActiveSession: connect + SetEncodings + initial FBUpdateRequest
- Full server message dispatch loop (all 15 message types)
- Raw (encoding 0) and CopyRect (encoding 1) decoders
- Ping response, bandwidth probe bookends, mode change resize
examples/snapshot.rs:
- Connects, waits for first FramebufferUpdate, saves PNG
- Tested against real OmniView at 10.3.0.130:443
- Successfully captured 640x480 frame
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com >
2026-05-06 14:23:43 +03:00
1bd43fc1f9
feat: phase 2 — handshake, message writers, and server message dispatch
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handshake.rs:
- Config, PixelFormat, ServerInit, Session types
- connect() walks all 11 handshake steps per aw.g() line 226
- Auth error mapping from aw.a(int) line 350 (7 error codes)
msg.rs — client-to-server writers:
- SetEncodings (type 2), FramebufferUpdateRequest (type 3)
- KeyEvent (type 4), PointerEvent (type 5, 8 bytes)
- PingResponse (type 149), BandwidthMarker (type 151)
msg.rs — server message dispatch:
- ServerMsg enum covering all 15 message types
- Readers for ping, bandwidth probe, ack, debug string,
RFB command, server cut text, server name update,
layout/locale, RDP event, FB update header
examples/handshake.rs: connects and prints session info.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com >
2026-05-06 14:11:31 +03:00
