[{"id":"4e2a9911-49d7-4656-891e-d3c6f542f3a3","thread_id":"1b8324a2-ae54-4a1b-9c69-51d76fc5c7d1","created_at":"2025-10-01T16:03:21Z","state":"done","prompt":"Create a specification for a domain-specific language for computer-generated paintings.\n\nThe language should allow the user to:\n\n- Define the size of the canvas in pixels\n- Define a brushstroke, including length, strength, and color\n- Repeat a brushstroke in a pattern across the canvas\n- Apply filters to the canvas to darken, lighten, sharpen, or soften a segment\n\nOnly specify the language and the command-line semantics for the interpreter. Do not write any code yet for implementing the specification.","reply":"<h1>PaintScript Language Specification</h1>\n<h2>Overview</h2>\n<p>PaintScript is a domain-specific language for creating computer-generated paintings through programmatic brushstrokes and filters. The language uses a declarative syntax to define canvas properties, brushstrokes, patterns, and post-processing effects.</p>\n<h2>Language Syntax</h2>\n<h3>Canvas Definition</h3>\n<div class=\"codehilite\"><span class=\"filename\">Plaintext</span><pre><span></span><code>CANVAS width height\n</code></pre></div>\n<ul>\n<li><code>width</code>: Integer value for canvas width in pixels (1-10000)</li>\n<li><code>height</code>: Integer value for canvas height in pixels (1-10000)</li>\n</ul>\n<h3>Brushstroke Definition</h3>\n<div class=\"codehilite\"><span class=\"filename\">Plaintext</span><pre><span></span><code>BRUSH name {\n LENGTH value\n STRENGTH value\n COLOR hex|rgb\n}\n</code></pre></div>\n<ul>\n<li><code>name</code>: Identifier for the brush (alphanumeric, underscores allowed)</li>\n<li><code>LENGTH</code>: Stroke length in pixels (1-500)</li>\n<li><code>STRENGTH</code>: Opacity/pressure value (0.0-1.0)</li>\n<li><code>COLOR</code>: Hexadecimal (#RRGGBB) or RGB notation (rgb(r,g,b))</li>\n</ul>\n<h3>Stroke Application</h3>\n<div class=\"codehilite\"><span class=\"filename\">Plaintext</span><pre><span></span><code>STROKE brush_name AT x y ANGLE degrees\n</code></pre></div>\n<ul>\n<li><code>brush_name</code>: Reference to a defined brush</li>\n<li><code>x</code>, <code>y</code>: Starting coordinates in pixels</li>\n<li><code>ANGLE</code>: Direction of stroke in degrees (0-359, where 0 is right)</li>\n</ul>\n<h3>Pattern Definition</h3>\n<div class=\"codehilite\"><span class=\"filename\">Plaintext</span><pre><span></span><code>PATTERN pattern_name {\n BRUSH brush_name\n GRID cols rows\n SPACING x_gap y_gap\n START x y\n VARIATION angle|position value\n}\n</code></pre></div>\n<ul>\n<li><code>GRID</code>: Number of columns and rows for the pattern</li>\n<li><code>SPACING</code>: Pixel gap between strokes</li>\n<li><code>START</code>: Top-left corner position of the pattern</li>\n<li><code>VARIATION</code>: Optional randomization\n<ul>\n<li><code>angle</code>: Random angle variation in degrees</li>\n<li><code>position</code>: Random position offset in pixels</li>\n</ul>\n</li>\n</ul>\n<h3>Filter Application</h3>\n<div class=\"codehilite\"><span class=\"filename\">Plaintext</span><pre><span></span><code>FILTER type REGION x y width height INTENSITY value\n</code></pre></div>\n<ul>\n<li><code>type</code>: One of <code>DARKEN</code>, <code>LIGHTEN</code>, <code>SHARPEN</code>, <code>SOFTEN</code></li>\n<li><code>REGION</code>: Rectangular area defined by top-left corner and dimensions</li>\n<li><code>INTENSITY</code>: Effect strength (0.0-1.0)</li>\n</ul>\n<h3>Comments</h3>\n<div class=\"codehilite\"><span class=\"filename\">Plaintext</span><pre><span></span><code># This is a single-line comment\n</code></pre></div>\n<h2>Command-Line Interface</h2>\n<h3>Basic Usage</h3>\n<div class=\"codehilite\"><span class=\"filename\">Bash</span><pre><span></span><code><span class=\"nf\">paintscript</span> [options] input.ps output.png\n</code></pre></div>\n<h3>Options</h3>\n<table>\n<thead>\n<tr>\n<th>Option</th>\n<th>Description</th>\n</tr>\n</thead>\n<tbody>\n<tr>\n<td><code>-h, --help</code></td>\n<td>Display help information</td>\n</tr>\n<tr>\n<td><code>-v, --version</code></td>\n<td>Display version information</td>\n</tr>\n<tr>\n<td><code>-p, --preview</code></td>\n<td>Open preview window during rendering</td>\n</tr>\n<tr>\n<td><code>-q, --quality</code></td>\n<td>Set output quality (1-100, default: 95)</td>\n</tr>\n<tr>\n<td><code>-f, --format</code></td>\n<td>Output format (png, jpg, bmp, default: png)</td>\n</tr>\n<tr>\n<td><code>-b, --background</code></td>\n<td>Set background color (default: #FFFFFF)</td>\n</tr>\n<tr>\n<td><code>-s, --seed</code></td>\n<td>Set random seed for reproducible patterns</td>\n</tr>\n<tr>\n<td><code>-d, --debug</code></td>\n<td>Enable debug output with stroke information</td>\n</tr>\n<tr>\n<td><code>-o, --optimize</code></td>\n<td>Optimize rendering for large canvases</td>\n</tr>\n<tr>\n<td><code>--dry-run</code></td>\n<td>Validate script without generating output</td>\n</tr>\n</tbody>\n</table>\n<h3>Exit Codes</h3>\n<ul>\n<li><code>0</code>: Successful execution</li>\n<li><code>1</code>: Invalid command-line arguments</li>\n<li><code>2</code>: Input file not found</li>\n<li><code>3</code>: Syntax error in script</li>\n<li><code>4</code>: Runtime error (e.g., coordinates out of bounds)</li>\n<li><code>5</code>: Output file write error</li>\n</ul>\n<h2>Example Script</h2>\n<div class=\"codehilite\"><span class=\"filename\">Plaintext</span><pre><span></span><code># Mountain landscape painting\nCANVAS 1920 1080\n\n# Define brushes\nBRUSH sky_brush {\n LENGTH 200\n STRENGTH 0.3\n COLOR #87CEEB\n}\n\nBRUSH mountain_brush {\n LENGTH 150\n STRENGTH 0.8\n COLOR #4A4A4A\n}\n\nBRUSH grass_brush {\n LENGTH 30\n STRENGTH 0.6\n COLOR #228B22\n}\n\n# Sky background pattern\nPATTERN sky_pattern {\n BRUSH sky_brush\n GRID 10 5\n SPACING 200 220\n START 0 0\n VARIATION angle 15\n}\n\n# Individual mountain strokes\nSTROKE mountain_brush AT 300 600 ANGLE 45\nSTROKE mountain_brush AT 450 600 ANGLE 135\nSTROKE mountain_brush AT 600 650 ANGLE 60\n\n# Grass foreground\nPATTERN grass_pattern {\n BRUSH grass_brush\n GRID 30 8\n SPACING 65 50\n START 0 700\n VARIATION position 10\n}\n\n# Apply atmospheric perspective\nFILTER LIGHTEN REGION 0 0 1920 400 INTENSITY 0.2\nFILTER SOFTEN REGION 0 300 1920 300 INTENSITY 0.4\nFILTER DARKEN REGION 0 900 1920 180 INTENSITY 0.3\n</code></pre></div>\n<h2>Language Constraints</h2>\n<ul>\n<li>All coordinates use a standard Cartesian system with origin (0,0) at top-left</li>\n<li>Brushstrokes are rendered in the order they appear in the script</li>\n<li>Filters are applied after all brushstrokes are complete</li>\n<li>Brush definitions must precede their usage</li>\n<li>Pattern names and brush names must be unique within a script</li>\n<li>Maximum script file size: 10MB</li>\n<li>Maximum execution time: 60 seconds (configurable via command-line)</li>\n</ul>","md":"# PaintScript Language Specification\n\n## Overview\n\nPaintScript is a domain-specific language for creating computer-generated paintings through programmatic brushstrokes and filters. The language uses a declarative syntax to define canvas properties, brushstrokes, patterns, and post-processing effects.\n\n## Language Syntax\n\n### Canvas Definition\n\n```\nCANVAS width height\n```\n- `width`: Integer value for canvas width in pixels (1-10000)\n- `height`: Integer value for canvas height in pixels (1-10000)\n\n### Brushstroke Definition\n\n```\nBRUSH name {\n LENGTH value\n STRENGTH value\n COLOR hex|rgb\n}\n```\n- `name`: Identifier for the brush (alphanumeric, underscores allowed)\n- `LENGTH`: Stroke length in pixels (1-500)\n- `STRENGTH`: Opacity/pressure value (0.0-1.0)\n- `COLOR`: Hexadecimal (#RRGGBB) or RGB notation (rgb(r,g,b))\n\n### Stroke Application\n\n```\nSTROKE brush_name AT x y ANGLE degrees\n```\n- `brush_name`: Reference to a defined brush\n- `x`, `y`: Starting coordinates in pixels\n- `ANGLE`: Direction of stroke in degrees (0-359, where 0 is right)\n\n### Pattern Definition\n\n```\nPATTERN pattern_name {\n BRUSH brush_name\n GRID cols rows\n SPACING x_gap y_gap\n START x y\n VARIATION angle|position value\n}\n```\n- `GRID`: Number of columns and rows for the pattern\n- `SPACING`: Pixel gap between strokes\n- `START`: Top-left corner position of the pattern\n- `VARIATION`: Optional randomization\n - `angle`: Random angle variation in degrees\n - `position`: Random position offset in pixels\n\n### Filter Application\n\n```\nFILTER type REGION x y width height INTENSITY value\n```\n- `type`: One of `DARKEN`, `LIGHTEN`, `SHARPEN`, `SOFTEN`\n- `REGION`: Rectangular area defined by top-left corner and dimensions\n- `INTENSITY`: Effect strength (0.0-1.0)\n\n### Comments\n\n```\n# This is a single-line comment\n```\n\n## Command-Line Interface\n\n### Basic Usage\n\n```bash\npaintscript [options] input.ps output.png\n```\n\n### Options\n\n| Option | Description |\n|--------|-------------|\n| `-h, --help` | Display help information |\n| `-v, --version` | Display version information |\n| `-p, --preview` | Open preview window during rendering |\n| `-q, --quality` | Set output quality (1-100, default: 95) |\n| `-f, --format` | Output format (png, jpg, bmp, default: png) |\n| `-b, --background` | Set background color (default: #FFFFFF) |\n| `-s, --seed` | Set random seed for reproducible patterns |\n| `-d, --debug` | Enable debug output with stroke information |\n| `-o, --optimize` | Optimize rendering for large canvases |\n| `--dry-run` | Validate script without generating output |\n\n### Exit Codes\n\n- `0`: Successful execution\n- `1`: Invalid command-line arguments\n- `2`: Input file not found\n- `3`: Syntax error in script\n- `4`: Runtime error (e.g., coordinates out of bounds)\n- `5`: Output file write error\n\n## Example Script\n\n```\n# Mountain landscape painting\nCANVAS 1920 1080\n\n# Define brushes\nBRUSH sky_brush {\n LENGTH 200\n STRENGTH 0.3\n COLOR #87CEEB\n}\n\nBRUSH mountain_brush {\n LENGTH 150\n STRENGTH 0.8\n COLOR #4A4A4A\n}\n\nBRUSH grass_brush {\n LENGTH 30\n STRENGTH 0.6\n COLOR #228B22\n}\n\n# Sky background pattern\nPATTERN sky_pattern {\n BRUSH sky_brush\n GRID 10 5\n SPACING 200 220\n START 0 0\n VARIATION angle 15\n}\n\n# Individual mountain strokes\nSTROKE mountain_brush AT 300 600 ANGLE 45\nSTROKE mountain_brush AT 450 600 ANGLE 135\nSTROKE mountain_brush AT 600 650 ANGLE 60\n\n# Grass foreground\nPATTERN grass_pattern {\n BRUSH grass_brush\n GRID 30 8\n SPACING 65 50\n START 0 700\n VARIATION position 10\n}\n\n# Apply atmospheric perspective\nFILTER LIGHTEN REGION 0 0 1920 400 INTENSITY 0.2\nFILTER SOFTEN REGION 0 300 1920 300 INTENSITY 0.4\nFILTER DARKEN REGION 0 900 1920 180 INTENSITY 0.3\n```\n\n## Language Constraints\n\n- All coordinates use a standard Cartesian system with origin (0,0) at top-left\n- Brushstrokes are rendered in the order they appear in the script\n- Filters are applied after all brushstrokes are complete\n- Brush definitions must precede their usage\n- Pattern names and brush names must be unique within a script\n- Maximum script file size: 10MB\n- Maximum execution time: 60 seconds (configurable via command-line)","profile":{"id":null,"name":null,"model":"claude-4-opus","model_name":"Claude 4.1 Opus","model_provider":"anthropic","model_input_limit":1000000,"recommended":false,"model_info":"\n\n<div class=\"heading\">\n <div class=\"left\">\n \n \n \n <svg class=\"model-icon icon-xs\" data-model=\"claude-4-opus\">\n <use href=\"#icon-anthropic\"/>\n </svg>\n <h3>\n \n <span class=\"model-provider\">Anthropic</span>\n \n <span class=\"model-name\">none</span>\n </h3>\n </div>\n\n \n <a href=\"/settings?p=custom_assistant&id=none\">\n <svg class=\"icon-sm edit-icon\" aria-hidden=\"true\">\n <use href=\"#icon-pencil\" />\n </svg>\n </a>\n \n</div>\n\n\n<hr />\n<ul>\n \n <li>\n <h4>\n Cost\n </h4>\n <span>\n \n \n \n\n \n \n \n\n <div class=\"score\" aria-label=\"Expensive\">\n \n \n \n \n <div aria-hidden=\"true\" class=\"filled-cost --high\"></div>\n \n \n \n \n \n <div aria-hidden=\"true\" class=\"filled-cost --high\"></div>\n \n \n \n \n \n <div aria-hidden=\"true\" class=\"filled-cost --high\"></div>\n \n \n \n \n \n <div aria-hidden=\"true\" class=\"filled-cost --high\"></div>\n \n \n \n \n \n <div aria-hidden=\"true\" class=\"filled-cost --high\"></div>\n \n \n </div>\n</span>\n </li>\n <li>\n <h4>\n Quality\n </h4>\n <span>\n \n \n \n\n \n \n \n\n <div class=\"score\" aria-label=\"Rated 4 out of 5\">\n \n \n \n <div aria-hidden=\"true\" class=\"filled-bubble\"></div>\n \n \n \n \n <div aria-hidden=\"true\" class=\"filled-bubble\"></div>\n \n \n \n \n <div aria-hidden=\"true\" class=\"filled-bubble\"></div>\n \n \n \n \n <div aria-hidden=\"true\" class=\"filled-bubble\"></div>\n \n \n \n \n <div aria-hidden=\"true\" class=\"unfilled-bubble\"></div>\n \n \n </div>\n</span>\n </li>\n <li>\n <h4>\n Speed\n </h4>\n <span>\n \n \n \n\n \n \n \n\n <div class=\"score\" aria-label=\"Rated 1 out of 5\">\n \n \n \n <div aria-hidden=\"true\" class=\"filled-bubble\"></div>\n \n \n \n \n <div aria-hidden=\"true\" class=\"unfilled-bubble\"></div>\n \n \n \n \n <div aria-hidden=\"true\" class=\"unfilled-bubble\"></div>\n \n \n \n \n <div aria-hidden=\"true\" class=\"unfilled-bubble\"></div>\n \n \n \n \n <div aria-hidden=\"true\" class=\"unfilled-bubble\"></div>\n \n \n </div>\n</span>\n </li>\n <li>\n <h4>\n Privacy\n </h4>\n <span>\n \n \n \n\n \n \n \n\n <div class=\"score\" aria-label=\"Rated 4 out of 5\">\n \n \n \n <div aria-hidden=\"true\" class=\"filled-bubble\"></div>\n \n \n \n \n <div aria-hidden=\"true\" class=\"filled-bubble\"></div>\n \n \n \n \n <div aria-hidden=\"true\" class=\"filled-bubble\"></div>\n \n \n \n \n <div aria-hidden=\"true\" class=\"filled-bubble\"></div>\n \n \n \n \n <div aria-hidden=\"true\" class=\"unfilled-bubble\"></div>\n \n \n </div>\n</span>\n </li>\n <li class=\"divider\" aria-hidden=\"true\"></li>\n <li>\n <h4>Last updated</h4>\n <span class=\"date\">\n \n \n 2025-08-05\n \n \n </span>\n </li>\n \n</ul>\n","model_provider_name":"Anthropic","internet_access":false,"personalizations":true,"shortcut":null,"is_default_profile":false},"metadata":"<li>\n <span class=\"attribute\">Model</span>\n <span class=\"value\"><i class=\"icon-xs mr-2\"><svg><use href=\"#icon-anthropic\"></use></svg></i>Claude 4.1 Opus</span>\n</li>\n<li>\n <span class=\"attribute\">Version</span>\n <span class=\"value\">claude-opus-4-1-20250805</span>\n</li>\n<li>\n <span class=\"attribute\">Speed (tok/s)</span>\n <span class=\"value\">44</span>\n</li>\n<li>\n <span class=\"attribute\">Tokens</span>\n <span class=\"value\">2,651</span>\n</li>\n<li>\n <span class=\"attribute\">Cost / Total ($)</span>\n <span class=\"value\">0.15 / 0.15</span>\n</li>\n<li>\n <span class=\"attribute\">End to end time (s)</span>\n <span class=\"value\">28.63</span>\n</li>\n\n","documents":[]}]