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pewdiepie-archdaemonandClaude Opus 5.5
5fac693c1c
Photoshop-parity editor client: layers, selection/masking, brushes,
smart filters, LUT import, Quick Edit, mobile gestures, workspaces,
batch operations, and the service-worker versioning (v978->v1006).
Source: vendor/photocraft (ad1cff44) photo-editor client files, merged
onto upstream/dev (a8c147b2). Conflict resolution documented in
pr_work/A_conflicts.md; editor files taken from vendor/photocraft
(upstream's editor is an earlier snapshot of the same feature).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
62 lines
2.6 KiB
Python
62 lines
2.6 KiB
Python
import json
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import subprocess
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import textwrap
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from pathlib import Path
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ROOT = Path(__file__).resolve().parents[1]
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MODULE = (ROOT / 'static/js/editor/aspect-fit.js').as_uri()
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def run_node(body):
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script = textwrap.dedent(f"""
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import * as A from {json.dumps(MODULE)};
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{body}
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""")
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result = subprocess.run(
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['node', '--input-type=module', '-e', script],
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cwd=ROOT, text=True, capture_output=True, check=True,
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)
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return json.loads(result.stdout)
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def test_aspect_fit_preserves_subject_ratio_within_two_percent():
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# A 900x600 canvas with a subject (face) whose bbox has ratio 0.62, ask for
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# a 1080x1350 (4:5) Instagram post. The crop-to-aspect step then the uniform
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# scale must keep the subject bbox w/h ratio within 2%.
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out = run_node("""
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const docW=900, docH=600;
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const subj={x:330,y:120,w:260,h:420}; // ratio 0.619
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const crop=A.aspectFitCropRect({width:docW,height:docH,focusX:subj.x+subj.w/2,focusY:subj.y+subj.h/2,targetAspect:1080/1350});
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// subject clipped to the crop window
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const ix=Math.max(subj.x,crop.x), iy=Math.max(subj.y,crop.y);
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const ix2=Math.min(subj.x+subj.w,crop.x+crop.width), iy2=Math.min(subj.y+subj.h,crop.y+crop.height);
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const sx=(ix2-ix)*(1080/crop.width), sy=(iy2-iy)*(1350/crop.height); // uniform scale
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console.log(JSON.stringify({ crop, subjRatio:subj.w/subj.h, afterRatio:sx/sy }));
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""")
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assert abs(out['afterRatio'] - out['subjRatio']) / out['subjRatio'] <= 0.02, out
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# The crop really is 4:5 and not the full 3:2 canvas.
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assert abs(out['crop']['width'] / out['crop']['height'] - 1080 / 1350) <= 0.01
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def test_aspect_fit_no_crop_when_aspect_already_matches():
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out = run_node("""
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const r=A.aspectFitCropRect({width:1080,height:1350,targetAspect:1080/1350});
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console.log(JSON.stringify(r));
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""")
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assert out == {'x': 0, 'y': 0, 'width': 1080, 'height': 1350}
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def test_aspect_fit_centres_on_focus_and_clamps_into_bounds():
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out = run_node("""
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// Tall subject near the left edge -> crop stays inside the document.
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const crop=A.aspectFitCropRect({width:900,height:600,focusX:60,focusY:300,targetAspect:4/5});
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const edge=A.aspectFitCropRect({width:900,height:600,focusX:450,focusY:300,targetAspect:4/5});
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console.log(JSON.stringify({crop,edge}));
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""")
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# focus at x=60 -> centred crop would start at -180 -> clamped to 0
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assert out['crop']['x'] == 0
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assert out['crop']['height'] == 600 and out['crop']['width'] == 480
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# centred focus -> starts at 210
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assert out['edge']['x'] == 210
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