[
  {
    "id": "codrops-9e12943621d5-article-0",
    "source": "design-engineering/state-management/patterns/derived-state.md",
    "anchor": "state-model-and-ownership",
    "sourceSha256": "22192b2fbab970a71ec0237221dc2d35c578e59723bc0032c2347f8ef595cd6c",
    "title": "22 / Semantic content & pixel treatment · renderSharedCover",
    "principle": "A caption, accent and presentation mode have one writable state owner. The DOM and pixel renderers receive the same projected snapshot; current captions and colors are never stored as independent output state.",
    "application": "One application state owns caption, accent and effect. Both a semantic HTML card and an independently drawn Canvas2D cover consume the same snapshot. Pixelated mode paints that cover into a smaller detached canvas, then enlarges it with image smoothing disabled. Inputs and resize events redraw the current state without replacing native controls. This is manual drawing of known content, not automatic HTML rasterization. This binding describes the authored study and does not verify the original project.",
    "code": [
      {
        "file": "vendor/codrops-article-studies/records/codrops-9e12943621d5/script.js",
        "symbol": "renderSharedCover",
        "explanation": "Projects coverState once and passes that same snapshot to renderCoverDOM and paintCoverFrame. Capture-phase input handlers commit source values before the shared input handler requests the redraw."
      }
    ],
    "checks": [
      {
        "id": "codrops-9e12943621d5-renderSharedCover",
        "action": "Type NIGHT FIELD, choose Ultraviolet, switch Pixelated, then Reset cover. Repeat several rapid caption edits.",
        "expected": "After each draw, both representations use the final caption and palette. Reset restores AFTERGLOW, Electric citrus and Default together; the native field is not remounted."
      }
    ],
    "runtime_verified": false
  },
  {
    "id": "codrops-9e12943621d5-article-1",
    "source": "motion/rendering-and-performance.md",
    "anchor": "match-the-mechanism-to-the-responsibility",
    "sourceSha256": "1523fdeaa290fa064c4db17d36040de3f35ad39bb18a37517ceb5995f97d1dfd",
    "title": "22 / Semantic content & pixel treatment · paintCoverFrame",
    "principle": "Pixel treatment belongs to the separately drawn canvas. CSS dimensions, backing-buffer dimensions and the smaller pixelation source are explicit; input and resize events redraw the latest model without a continuous animation loop.",
    "application": "One application state owns caption, accent and effect. Both a semantic HTML card and an independently drawn Canvas2D cover consume the same snapshot. Pixelated mode paints that cover into a smaller detached canvas, then enlarges it with image smoothing disabled. Inputs and resize events redraw the current state without replacing native controls. This is manual drawing of known content, not automatic HTML rasterization. This binding describes the authored study and does not verify the original project.",
    "code": [
      {
        "file": "vendor/codrops-article-studies/records/codrops-9e12943621d5/script.js",
        "symbol": "paintCoverFrame",
        "explanation": "Reads the CSS bounds, derives explicit output and source dimensions with coverBufferPlan, paints owned geometry/text into the detached buffer, copies it with smoothing disabled, then records the drawn revision."
      }
    ],
    "checks": [
      {
        "id": "codrops-9e12943621d5-paintCoverFrame",
        "action": "Compare Default and Pixelated with the same caption and accent, then resize the preview.",
        "expected": "The original drawing becomes coarse in Pixelated mode; HTML text remains sharp. Source/output dimensions follow the new size, and drawnRevision is written only after drawing and copying the buffer complete."
      }
    ],
    "runtime_verified": false
  },
  {
    "id": "codrops-9e12943621d5-article-2",
    "source": "design-engineering/component-contract.md",
    "anchor": "contract-template",
    "sourceSha256": "79e496160e28ab26397d2c5b68075fd14c732d13002ff6c6e41c031d86cac039",
    "title": "22 / Semantic content & pixel treatment · showCoverFailure",
    "principle": "An empty caption is valid editable content. An unavailable drawing context is a different state that preserves semantic content and native controls while reporting a renderer failure.",
    "application": "One application state owns caption, accent and effect. Both a semantic HTML card and an independently drawn Canvas2D cover consume the same snapshot. Pixelated mode paints that cover into a smaller detached canvas, then enlarges it with image smoothing disabled. Inputs and resize events redraw the current state without replacing native controls. This is manual drawing of known content, not automatic HTML rasterization. This binding describes the authored study and does not verify the original project.",
    "code": [
      {
        "file": "vendor/codrops-article-studies/records/codrops-9e12943621d5/script.js",
        "symbol": "showCoverFailure",
        "explanation": "Latches drawing failure, hides the failed canvas, exposes the specific fallback and calls the existing error reporter. Later renderSharedCover calls still update semantic content while skipping further drawing attempts."
      }
    ],
    "checks": [
      {
        "id": "codrops-9e12943621d5-showCoverFailure",
        "action": "Clear the caption, then restore it. In a controlled failing-renderer check, make Canvas2D creation or painting throw and continue editing.",
        "expected": "An empty caption leaves the art visible and displays No caption set in HTML. A drawing failure shows Illustration unavailable, keeps DOM updates working, and prevents an independent ready signal for an undrawn canvas."
      }
    ],
    "runtime_verified": false
  },
  {
    "id": "codrops-9e12943621d5-article-3",
    "source": "motion/accessible-motion.md",
    "anchor": "preference-changes-during-work",
    "sourceSha256": "db0ad692d5bb3103a3cbe13ec08dbe5cf12552aed7ecf2c93b1d7cc0b8a34b8b",
    "title": "22 / Semantic content & pixel treatment · applyMotionPreference",
    "principle": "This example has no autonomous animation. Preference changes retain the same readable content and permit explicit edits in either stationary presentation mode.",
    "application": "One application state owns caption, accent and effect. Both a semantic HTML card and an independently drawn Canvas2D cover consume the same snapshot. Pixelated mode paints that cover into a smaller detached canvas, then enlarges it with image smoothing disabled. Inputs and resize events redraw the current state without replacing native controls. This is manual drawing of known content, not automatic HTML rasterization. This binding describes the authored study and does not verify the original project.",
    "code": [
      {
        "file": "vendor/codrops-article-studies/records/codrops-9e12943621d5/script.js",
        "symbol": "applyMotionPreference",
        "explanation": "Combines the system preference with the Static view checkbox and requests a redraw. This scene supplies no playback control or autonomous animation, so all content remains a stationary projection."
      }
    ],
    "checks": [
      {
        "id": "codrops-9e12943621d5-applyMotionPreference",
        "action": "Enable Static view, edit the caption and palette, then switch Default/Pixelated.",
        "expected": "The selected values remain inspectable and both views update only when an input or size changes; no continuous playback begins."
      }
    ],
    "runtime_verified": false
  }
]