From 0f9217414350ea88a42e7a4225fc247595349097 Mon Sep 17 00:00:00 2001
From: sthag <sthag@interaktionsweise.de>
Date: Mon, 20 Apr 2026 20:13:58 +0200
Subject: [PATCH] feat: New collection and view

- Add art collection
- Move views to art
- Add new view
---
 .../demo/{examples => art}/10print.liquid     |   2 +-
 .../view/demo/{examples => art}/matrix.liquid |   2 +-
 source/view/demo/art/squares.liquid           | 186 ++++++++++++++++++
 source/view/demo/index.liquid                 |  11 ++
 4 files changed, 199 insertions(+), 2 deletions(-)
 rename source/view/demo/{examples => art}/10print.liquid (98%)
 rename source/view/demo/{examples => art}/matrix.liquid (99%)
 create mode 100644 source/view/demo/art/squares.liquid

diff --git a/source/view/demo/examples/10print.liquid b/source/view/demo/art/10print.liquid
similarity index 98%
rename from source/view/demo/examples/10print.liquid
rename to source/view/demo/art/10print.liquid
index 8ed878e..761218c 100644
--- a/source/view/demo/examples/10print.liquid
+++ b/source/view/demo/art/10print.liquid
@@ -1,7 +1,7 @@
 ---
 title: 10print
 tags:
-- demoExample
+- demoArt
 ---
 {% layout 'hippie/simple.liquid' %}
 
diff --git a/source/view/demo/examples/matrix.liquid b/source/view/demo/art/matrix.liquid
similarity index 99%
rename from source/view/demo/examples/matrix.liquid
rename to source/view/demo/art/matrix.liquid
index 3eb62e9..2078d39 100644
--- a/source/view/demo/examples/matrix.liquid
+++ b/source/view/demo/art/matrix.liquid
@@ -1,7 +1,7 @@
 ---
 title: Matrix
 tags:
-- demoExample
+- demoArt
 ---
 {% layout 'hippie/simple.liquid' %}
 
diff --git a/source/view/demo/art/squares.liquid b/source/view/demo/art/squares.liquid
new file mode 100644
index 0000000..e10e247
--- /dev/null
+++ b/source/view/demo/art/squares.liquid
@@ -0,0 +1,186 @@
+---
+title: Squares²
+tags:
+- demoArt
+---
+{% layout 'hippie/simple.liquid' %}
+
+{% block style %}
+<style>
+	canvas {
+		display: block;
+	}
+</style>
+{% endblock %}
+
+{% block body %}{% endblock %}
+
+{% block script %}
+<script>
+	function fillCanvasWithSquares(maxSquareSize = 128, minSquareSize = 8, largeSquarePercentage = 40) {
+		const canvas = document.createElement('canvas');
+		canvas.width = window.innerWidth;
+		canvas.height = window.innerHeight;
+		document.body.appendChild(canvas);
+
+		const ctx = canvas.getContext('2d');
+		const colors = [
+			'#fad803', '#d30a51', '#273f8b',
+			'#b7e0f0', '#52bed1', '#0c85ff'
+		];
+
+		// Verify maxSquareSize and minSquareSize are powers of 2
+		if (!isPowerOfTwo(maxSquareSize) || !isPowerOfTwo(minSquareSize)) {
+			console.error('Both maxSquareSize and minSquareSize must be powers of 2');
+			return;
+		}
+
+		if (minSquareSize > maxSquareSize) {
+			console.error('minSquareSize must be <= maxSquareSize');
+			return;
+		}
+
+		if (largeSquarePercentage < 0 || largeSquarePercentage > 100) {
+			console.error('largeSquarePercentage must be between 0 and 100');
+			return;
+		}
+
+		function isPowerOfTwo(n) {
+			return n > 0 && (n & (n - 1)) === 0;
+		}
+
+		// Grid to track occupied cells
+		let grid = [];
+
+		function initializeGrid() {
+			grid = Array(Math.ceil(canvas.height / minSquareSize))
+				.fill(null)
+				.map(() => Array(Math.ceil(canvas.width / minSquareSize)).fill(false));
+		}
+
+		function canPlaceSquare(gridX, gridY, sizeInCells) {
+			if (gridY + sizeInCells > grid.length || gridX + sizeInCells > grid[0].length) {
+				return false;
+			}
+
+			for (let y = gridY; y < gridY + sizeInCells; y++) {
+				for (let x = gridX; x < gridX + sizeInCells; x++) {
+					if (grid[y][x]) return false;
+				}
+			}
+			return true;
+		}
+
+		function markSquareOccupied(gridX, gridY, sizeInCells) {
+			for (let y = gridY; y < gridY + sizeInCells; y++) {
+				for (let x = gridX; x < gridX + sizeInCells; x++) {
+					grid[y][x] = true;
+				}
+			}
+		}
+
+		function drawSquare(gridX, gridY, sizeInPixels) {
+			const pixelX = gridX * minSquareSize;
+			const pixelY = gridY * minSquareSize;
+
+			const color = colors[Math.floor(Math.random() * colors.length)];
+			ctx.fillStyle = color;
+			ctx.fillRect(pixelX, pixelY, sizeInPixels, sizeInPixels);
+
+			ctx.strokeStyle = '#333';
+			ctx.lineWidth = 1;
+			ctx.strokeRect(pixelX, pixelY, sizeInPixels, sizeInPixels);
+		}
+
+		function getSizesInDescendingOrder() {
+			const sizes = [];
+			for (let size = maxSquareSize; size >= minSquareSize; size /= 2) {
+				sizes.push(size);
+			}
+			return sizes;
+		}
+
+		function countPossibleSquares(size) {
+			const sizeInCells = size / minSquareSize;
+			let count = 0;
+
+			for (let gridY = 0; gridY < grid.length; gridY++) {
+				for (let gridX = 0; gridX < grid[0].length; gridX++) {
+					if (canPlaceSquare(gridX, gridY, sizeInCells)) {
+						count++;
+					}
+				}
+			}
+			return count;
+		}
+
+		function fillCanvasWithPercentage() {
+			const sizes = getSizesInDescendingOrder();
+
+			// Fill the largest squares based on percentage
+			const largestSize = sizes[0];
+			const maxPossibleLargeSquares = countPossibleSquares(largestSize);
+			const targetLargeSquares = Math.floor((maxPossibleLargeSquares * largeSquarePercentage) / 100);
+			const largestSizeInCells = largestSize / minSquareSize;
+
+			// Collect all valid positions for largest squares
+			if (targetLargeSquares > 0) {
+				const positions = [];
+				for (let gridY = 0; gridY < grid.length; gridY++) {
+					for (let gridX = 0; gridX < grid[0].length; gridX++) {
+						if (canPlaceSquare(gridX, gridY, largestSizeInCells)) {
+							positions.push({gridX, gridY});
+						}
+					}
+				}
+
+				// Shuffle positions array
+				positions.sort(() => Math.random() - 0.5);
+
+				// Place squares up to target percentage
+				let placedCount = 0;
+				for (let i = 0; i < positions.length && placedCount < targetLargeSquares; i++) {
+					const {gridX, gridY} = positions[i];
+					// Double-check the position is still valid before placing
+					if (canPlaceSquare(gridX, gridY, largestSizeInCells)) {
+						markSquareOccupied(gridX, gridY, largestSizeInCells);
+						drawSquare(gridX, gridY, largestSize);
+						placedCount++;
+					}
+				}
+			}
+
+			// Fill remaining space with all sizes in descending order
+			// Skip the largest size since we already handled it
+			for (let i = 1; i < sizes.length; i++) {
+				const size = sizes[i];
+				const sizeInCells = size / minSquareSize;
+
+				for (let gridY = 0; gridY < grid.length; gridY++) {
+					for (let gridX = 0; gridX < grid[0].length; gridX++) {
+						if (canPlaceSquare(gridX, gridY, sizeInCells)) {
+							markSquareOccupied(gridX, gridY, sizeInCells);
+							drawSquare(gridX, gridY, size);
+						}
+					}
+				}
+			}
+		}
+
+		initializeGrid();
+		fillCanvasWithPercentage();
+
+		window.addEventListener('resize', () => {
+			canvas.width = window.innerWidth;
+			canvas.height = window.innerHeight;
+
+			ctx.clearRect(0, 0, canvas.width, canvas.height);
+
+			initializeGrid();
+			fillCanvasWithPercentage();
+		});
+	}
+
+	fillCanvasWithSquares(128, 8, 40);
+</script>
+{% endblock %}
\ No newline at end of file
diff --git a/source/view/demo/index.liquid b/source/view/demo/index.liquid
index 7159acf..4ec424f 100644
--- a/source/view/demo/index.liquid
+++ b/source/view/demo/index.liquid
@@ -64,6 +64,17 @@ title: Index
 					{% endfor %}
 				</ul>
 			</section>
+			<section>
+				<h3>Art</h3>
+				<ul class="block link">
+					{% assign artByTitle = collections.demoArt | sort: 'data.title' %}
+					{% for link in artByTitle %}
+						<li>
+							<a href="{{ link.page.url }}">{{ link.data.title }}</a>
+						</li>
+					{% endfor %}
+				</ul>
+			</section>
 		</div>
 	</div>
 </div>