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8856c1e669
Keep retained indexed SIXEL data and the bounded per-terminal output cache. Use the cleaned-up decoder and RGBA encoder from image_merge, including parser memory limits, pixel-size handling and references for pending output. Match retained SIXEL scaling to the shared image cell footprint and emit black definitions for undefined colour registers. Keep Kitty input, output, layers and placeholders. Adapt backend selection, flags, drawing and cleanup to the callbacks and Iscrl capability. Keep the pane-status repaint with the requested XXX comment. Replace the elaborate fallback with image_merge's implementation, removing its caches, sample structures, quadrant/sextant features and ACS additions. Keep the image_merge regressions and adapt the Kitty tests to the simpler fallback. Use skip status 101 and disable Python bytecode for image tests. Small changes still outside image_merge: - Guard zero-height synchronized redraws before bit_nset. - Select the image backend when the tty opens. - Enable imagescroll by default for Kitty and Ghostty. - Keep the explanatory manual-window pixel-size comment (comment only). - Keep the additional SIXEL fixtures and visual test tools. Validation: image-enabled and disabled builds; 31 image and 13 related regressions pass normally and under ASAN. All image tests skip without images. Focused palette, parser, scaling, transparency and Kitty layer tests also pass after the retained-output adjustments. Diff checks clean.
69 lines
2.6 KiB
Bash
Executable File
69 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
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# Valid, fragmented and rejected SIXEL input, including the PR's stray
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# character case and limits reached while growing the image.
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PATH=/bin:/usr/bin
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TERM=screen
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export TERM
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[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
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python3 -B - "$TEST_TMUX" <<'PY'
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import sys
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from image_test import image_test, sixel, check_image
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with image_test(sys.argv[1]) as test:
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client = test.attach()
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red = (255, 0, 0)
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valid = sixel(8, 16, [(100, 0, 0)], [0] * (8 * 16))
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# Check a clean image and the same one with stray bytes between bands.
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for wire in (valid, valid.replace(b'-', b' \t\177\200-', 1)):
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test.emit(b'\033[2J\033[H' + wire)
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images = client.images()
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assert len(images) == 1, len(images)
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check_image(images[0], 8, 16, [red] * (8 * 16))
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# HLS uses blue at 0, red at 120 and green at 240 degrees.
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for hue, rgb in [(0, (0, 0, 255)), (120, red), (240, (0, 255, 0))]:
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wire = ('\033P9;1q"1;1;8;16#0;1;%d;50;100'
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'#0!8~-!8~-!8N\033\\' % hue).encode()
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test.emit(b'\033[2J\033[H' + wire)
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assert len(client.images()) == 1
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check_image(client.images()[0], 8, 16, [rgb] * (8 * 16))
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# Undefined registers are black in the shared model and in retained output.
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test.emit(b'\033[2J\033[H\033P9;1q"1;1;8;16'
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b'#5!8~-!8~-!8N\033\\')
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assert len(client.images()) == 1
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check_image(client.images()[0], 8, 16, [(0, 0, 0)] * (8 * 16))
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test.redraw()
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check_image(client.images()[0], 8, 16, [(0, 0, 0)] * (8 * 16))
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# Deliver the terminator in two pieces. No image is placed before it.
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test.emit(b'\033[2J\033[H')
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for byte in valid[:-1]:
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test.send(bytes([byte]))
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client.read()
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assert not client.images(), 'image placed before the DCS terminator'
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assert test.run('display-message', '-p', '#{cursor_y}') == '0'
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test.emit(valid[-1:])
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assert len(client.images()) == 1
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check_image(client.images()[0], 8, 16, [red] * (8 * 16))
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rejected = [
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b'q', b'q#0;2;100', b'q!0~', b'q!10001~', b'q#1025~',
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b'q#0;2;101;0;0~', b'q#0;1;361;50;100~',
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b'q"1;1;10001;1', b'q"1;1;1;10001',
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b'q"1;1;4096;4097',
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b'q"1;1;18446744073709551616;1',
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b'q"1;1;10000;1#0;2;100;0;0@' + b'-' * 300 + b'@',
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b'q"1;1;1;10000#0;2;100;0;0!2000@',
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]
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for body in rejected:
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test.emit(b'\033[2J\033[H\033P9;1' + body + b'\033\\')
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assert not client.images(), ('invalid image accepted', body[:80])
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assert test.run('display-message', '-p', '#{cursor_x},#{cursor_y}') == '0,0'
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test.redraw()
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assert not client.images(), ('invalid image retained', body[:80])
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PY
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