diff options
Diffstat (limited to 'apps/web/src/lib/graphics/definitions')
| -rw-r--r-- | apps/web/src/lib/graphics/definitions/ellipse.ts | 73 | ||||
| -rw-r--r-- | apps/web/src/lib/graphics/definitions/index.ts | 29 | ||||
| -rw-r--r-- | apps/web/src/lib/graphics/definitions/polygon.ts | 211 | ||||
| -rw-r--r-- | apps/web/src/lib/graphics/definitions/rectangle.ts | 85 | ||||
| -rw-r--r-- | apps/web/src/lib/graphics/definitions/shared.ts | 16 | ||||
| -rw-r--r-- | apps/web/src/lib/graphics/definitions/star.ts | 109 |
6 files changed, 523 insertions, 0 deletions
diff --git a/apps/web/src/lib/graphics/definitions/ellipse.ts b/apps/web/src/lib/graphics/definitions/ellipse.ts new file mode 100644 index 00000000..3fd76608 --- /dev/null +++ b/apps/web/src/lib/graphics/definitions/ellipse.ts @@ -0,0 +1,73 @@ +import type { ParamDefinition } from "@/lib/params"; +import { applyAlignedStroke } from "../stroke"; +import { STROKE_ALIGN_PARAM, type GraphicStrokeAlign } from "./shared"; +import type { GraphicDefinition } from "../types"; + +interface EllipseParams { + fill: string; + stroke: string; + strokeWidth: number; + strokeAlign: GraphicStrokeAlign; +} + +const ELLIPSE_PARAMS: ParamDefinition<keyof EllipseParams & string>[] = [ + { + key: "fill", + label: "Fill", + type: "color", + default: "#ffffff", + }, + { + key: "stroke", + label: "Color", + type: "color", + default: "#000000", + group: "stroke", + }, + { + key: "strokeWidth", + label: "Width", + type: "number", + default: 0, + min: 0, + max: 64, + step: 1, + shortLabel: "W", + group: "stroke", + }, + STROKE_ALIGN_PARAM, +]; + +export const ellipseGraphicDefinition: GraphicDefinition = { + id: "ellipse", + name: "Ellipse", + keywords: ["ellipse", "circle", "oval"], + params: ELLIPSE_PARAMS, + render({ ctx, params, width, height }) { + const fill = String(params.fill ?? "#ffffff"); + const stroke = String(params.stroke ?? "#000000"); + const strokeWidth = Math.max(0, Number(params.strokeWidth ?? 0)); + const strokeAlign = (params.strokeAlign ?? "center") as GraphicStrokeAlign; + const inset = strokeAlign === "center" ? strokeWidth / 2 : 0; + const centerX = width / 2; + const centerY = height / 2; + const radiusX = Math.max(1, width / 2 - inset); + const radiusY = Math.max(1, height / 2 - inset); + + ctx.clearRect(0, 0, width, height); + const path = new Path2D(); + path.ellipse(centerX, centerY, radiusX, radiusY, 0, 0, Math.PI * 2); + ctx.fillStyle = fill; + ctx.fill(path); + + if (strokeWidth > 0) { + applyAlignedStroke({ + ctx, + path, + strokeWidth, + strokeAlign, + strokeColor: stroke, + }); + } + }, +}; diff --git a/apps/web/src/lib/graphics/definitions/index.ts b/apps/web/src/lib/graphics/definitions/index.ts new file mode 100644 index 00000000..e791f917 --- /dev/null +++ b/apps/web/src/lib/graphics/definitions/index.ts @@ -0,0 +1,29 @@ +import { graphicsRegistry } from "../registry"; +import { ellipseGraphicDefinition } from "./ellipse"; +import { polygonGraphicDefinition } from "./polygon"; +import { rectangleGraphicDefinition } from "./rectangle"; +import { starGraphicDefinition } from "./star"; + +const defaultGraphicDefinitions = [ + rectangleGraphicDefinition, + ellipseGraphicDefinition, + polygonGraphicDefinition, + starGraphicDefinition, +]; + +export function registerDefaultGraphics(): void { + for (const definition of defaultGraphicDefinitions) { + if (graphicsRegistry.has(definition.id)) { + continue; + } + graphicsRegistry.register(definition.id, definition); + } +} + +export { + ellipseGraphicDefinition, + polygonGraphicDefinition, + rectangleGraphicDefinition, + starGraphicDefinition, +}; +export { STROKE_ALIGN_PARAM } from "./shared"; diff --git a/apps/web/src/lib/graphics/definitions/polygon.ts b/apps/web/src/lib/graphics/definitions/polygon.ts new file mode 100644 index 00000000..780c974c --- /dev/null +++ b/apps/web/src/lib/graphics/definitions/polygon.ts @@ -0,0 +1,211 @@ +import type { ParamDefinition } from "@/lib/params"; +import { applyAlignedStroke } from "../stroke"; +import { STROKE_ALIGN_PARAM, type GraphicStrokeAlign } from "./shared"; +import type { GraphicDefinition } from "../types"; + +interface Point { + x: number; + y: number; +} + +interface PolygonParams { + fill: string; + stroke: string; + strokeWidth: number; + strokeAlign: GraphicStrokeAlign; + sides: number; + cornerRadius: number; +} + +const POLYGON_PARAMS: ParamDefinition<keyof PolygonParams & string>[] = [ + { + key: "fill", + label: "Fill", + type: "color", + default: "#ffffff", + }, + { + key: "stroke", + label: "Color", + type: "color", + default: "#000000", + group: "stroke", + }, + { + key: "strokeWidth", + label: "Width", + type: "number", + default: 0, + min: 0, + max: 64, + step: 1, + shortLabel: "W", + group: "stroke", + }, + STROKE_ALIGN_PARAM, + { + key: "sides", + label: "Sides", + type: "number", + default: 5, + min: 3, + max: 12, + step: 1, + shortLabel: "S", + }, + { + key: "cornerRadius", + label: "Corner radius", + type: "number", + default: 0, + min: 0, + max: 50, + step: 1, + shortLabel: "R", + }, +]; + +function buildPolygonVertices({ + centerX, + centerY, + radius, + sides, +}: { + centerX: number; + centerY: number; + radius: number; + sides: number; +}): Point[] { + return Array.from({ length: sides }, (_, index) => { + const angle = -Math.PI / 2 + (index * Math.PI * 2) / sides; + return { + x: centerX + Math.cos(angle) * radius, + y: centerY + Math.sin(angle) * radius, + }; + }); +} + +function distance({ a, b }: { a: Point; b: Point }): number { + return Math.hypot(a.x - b.x, a.y - b.y); +} + +function normalize(point: Point): Point { + const length = Math.hypot(point.x, point.y) || 1; + return { + x: point.x / length, + y: point.y / length, + }; +} + +function traceRoundedPolygonPath({ + path, + vertices, + radius, +}: { + path: Path2D; + vertices: Point[]; + radius: number; +}): void { + if (vertices.length < 3) { + return; + } + + if (radius <= 0) { + path.moveTo(vertices[0].x, vertices[0].y); + for (let index = 1; index < vertices.length; index++) { + path.lineTo(vertices[index].x, vertices[index].y); + } + path.closePath(); + return; + } + + for (let index = 0; index < vertices.length; index++) { + const previous = vertices[(index - 1 + vertices.length) % vertices.length]; + const current = vertices[index]; + const next = vertices[(index + 1) % vertices.length]; + const toPrevious = normalize({ + x: previous.x - current.x, + y: previous.y - current.y, + }); + const toNext = normalize({ + x: next.x - current.x, + y: next.y - current.y, + }); + const angle = Math.acos( + Math.max(-1, Math.min(1, toPrevious.x * toNext.x + toPrevious.y * toNext.y)), + ); + const maxOffset = + Math.min(distance({ a: previous, b: current }), distance({ a: current, b: next })) / 2; + const tangentOffset = Math.min(radius / Math.tan(angle / 2), maxOffset); + const start = { + x: current.x + toPrevious.x * tangentOffset, + y: current.y + toPrevious.y * tangentOffset, + }; + const end = { + x: current.x + toNext.x * tangentOffset, + y: current.y + toNext.y * tangentOffset, + }; + + if (index === 0) { + path.moveTo(start.x, start.y); + } else { + path.lineTo(start.x, start.y); + } + + path.arcTo( + current.x, + current.y, + end.x, + end.y, + Math.min(radius, maxOffset), + ); + } + + path.closePath(); +} + +export const polygonGraphicDefinition: GraphicDefinition = { + id: "polygon", + name: "Polygon", + keywords: ["polygon", "triangle", "pentagon", "hexagon", "diamond"], + params: POLYGON_PARAMS, + render({ ctx, params, width, height }) { + const fill = String(params.fill ?? "#ffffff"); + const stroke = String(params.stroke ?? "#000000"); + const strokeWidth = Math.max(0, Number(params.strokeWidth ?? 0)); + const strokeAlign = (params.strokeAlign ?? "center") as GraphicStrokeAlign; + const sides = Math.max(3, Math.min(12, Math.round(Number(params.sides ?? 5)))); + const inset = strokeAlign === "center" ? strokeWidth / 2 : 0; + const radius = Math.max(1, Math.min(width, height) / 2 - inset); + const maxCornerRadius = radius * Math.sin(Math.PI / sides); + const cornerRadiusPercent = Math.max(0, Number(params.cornerRadius ?? 0)); + const cornerRadius = + maxCornerRadius * Math.min(cornerRadiusPercent, 50) / 50; + const vertices = buildPolygonVertices({ + centerX: width / 2, + centerY: height / 2, + radius, + sides, + }); + + ctx.clearRect(0, 0, width, height); + const path = new Path2D(); + traceRoundedPolygonPath({ + path, + vertices, + radius: cornerRadius, + }); + ctx.fillStyle = fill; + ctx.fill(path); + + if (strokeWidth > 0) { + applyAlignedStroke({ + ctx, + path, + strokeWidth, + strokeAlign, + strokeColor: stroke, + }); + } + }, +}; diff --git a/apps/web/src/lib/graphics/definitions/rectangle.ts b/apps/web/src/lib/graphics/definitions/rectangle.ts new file mode 100644 index 00000000..4e7f78f6 --- /dev/null +++ b/apps/web/src/lib/graphics/definitions/rectangle.ts @@ -0,0 +1,85 @@ +import type { ParamDefinition } from "@/lib/params"; +import { applyAlignedStroke } from "../stroke"; +import { STROKE_ALIGN_PARAM, type GraphicStrokeAlign } from "./shared"; +import type { GraphicDefinition } from "../types"; + +interface RectangleParams { + fill: string; + stroke: string; + strokeWidth: number; + strokeAlign: GraphicStrokeAlign; + cornerRadius: number; +} + +const RECTANGLE_PARAMS: ParamDefinition<keyof RectangleParams & string>[] = [ + { + key: "fill", + label: "Fill", + type: "color", + default: "#ffffff", + }, + { + key: "stroke", + label: "Color", + type: "color", + default: "#000000", + group: "stroke", + }, + { + key: "strokeWidth", + label: "Width", + type: "number", + default: 0, + min: 0, + max: 64, + step: 1, + shortLabel: "W", + group: "stroke", + }, + STROKE_ALIGN_PARAM, + { + key: "cornerRadius", + label: "Corner radius", + type: "number", + default: 0, + min: 0, + max: 50, + step: 1, + shortLabel: "R", + }, +]; + +export const rectangleGraphicDefinition: GraphicDefinition = { + id: "rectangle", + name: "Rectangle", + keywords: ["rectangle", "square", "box"], + params: RECTANGLE_PARAMS, + render({ ctx, params, width, height }) { + const fill = String(params.fill ?? "#ffffff"); + const stroke = String(params.stroke ?? "#000000"); + const strokeWidth = Math.max(0, Number(params.strokeWidth ?? 0)); + const strokeAlign = (params.strokeAlign ?? "center") as GraphicStrokeAlign; + const inset = strokeAlign === "center" ? strokeWidth / 2 : 0; + const drawWidth = Math.max(1, width - inset * 2); + const drawHeight = Math.max(1, height - inset * 2); + const radiusPercent = Math.max(0, Number(params.cornerRadius ?? 0)); + const radius = + (Math.min(drawWidth, drawHeight) / 2) * Math.min(radiusPercent, 50) / 50; + + ctx.clearRect(0, 0, width, height); + const path = new Path2D(); + path.roundRect(inset, inset, drawWidth, drawHeight, radius); + ctx.fillStyle = fill; + ctx.fill(path); + + if (strokeWidth > 0) { + applyAlignedStroke({ + ctx, + path, + strokeWidth, + strokeAlign, + strokeColor: stroke, + }); + } + }, +}; diff --git a/apps/web/src/lib/graphics/definitions/shared.ts b/apps/web/src/lib/graphics/definitions/shared.ts new file mode 100644 index 00000000..d2833f51 --- /dev/null +++ b/apps/web/src/lib/graphics/definitions/shared.ts @@ -0,0 +1,16 @@ +import type { ParamDefinition } from "@/lib/params"; + +export type GraphicStrokeAlign = "inside" | "center" | "outside"; + +export const STROKE_ALIGN_PARAM: ParamDefinition<"strokeAlign"> = { + key: "strokeAlign", + label: "Stroke align", + type: "select", + default: "center", + group: "stroke", + options: [ + { value: "inside", label: "Inside" }, + { value: "center", label: "Center" }, + { value: "outside", label: "Outside" }, + ], +}; diff --git a/apps/web/src/lib/graphics/definitions/star.ts b/apps/web/src/lib/graphics/definitions/star.ts new file mode 100644 index 00000000..c7f9ef56 --- /dev/null +++ b/apps/web/src/lib/graphics/definitions/star.ts @@ -0,0 +1,109 @@ +import type { ParamDefinition } from "@/lib/params"; +import { applyAlignedStroke } from "../stroke"; +import { STROKE_ALIGN_PARAM, type GraphicStrokeAlign } from "./shared"; +import type { GraphicDefinition } from "../types"; + +interface StarParams { + fill: string; + stroke: string; + strokeWidth: number; + strokeAlign: GraphicStrokeAlign; + points: number; + depth: number; +} + +const STAR_PARAMS: ParamDefinition<keyof StarParams & string>[] = [ + { + key: "fill", + label: "Fill", + type: "color", + default: "#ffffff", + }, + { + key: "stroke", + label: "Color", + type: "color", + default: "#000000", + group: "stroke", + }, + { + key: "strokeWidth", + label: "Width", + type: "number", + default: 0, + min: 0, + max: 64, + step: 1, + shortLabel: "W", + group: "stroke", + }, + STROKE_ALIGN_PARAM, + { + key: "points", + label: "Points", + type: "number", + default: 5, + min: 3, + max: 12, + step: 1, + shortLabel: "P", + }, + { + key: "depth", + label: "Depth", + type: "number", + default: 45, + min: 1, + max: 99, + step: 1, + shortLabel: "D", + }, +]; + +export const starGraphicDefinition: GraphicDefinition = { + id: "star", + name: "Star", + keywords: ["star", "sparkle", "burst"], + params: STAR_PARAMS, + render({ ctx, params, width, height }) { + const fill = String(params.fill ?? "#ffffff"); + const stroke = String(params.stroke ?? "#000000"); + const strokeWidth = Math.max(0, Number(params.strokeWidth ?? 0)); + const strokeAlign = (params.strokeAlign ?? "center") as GraphicStrokeAlign; + const points = Math.max(3, Math.min(12, Math.round(Number(params.points ?? 5)))); + const depth = Math.max(1, Math.min(99, Number(params.depth ?? 45))) / 100; + const inset = strokeAlign === "center" ? strokeWidth / 2 : 0; + const outerRadius = Math.max(1, Math.min(width, height) / 2 - inset); + const innerRadius = outerRadius * depth; + const centerX = width / 2; + const centerY = height / 2; + + ctx.clearRect(0, 0, width, height); + const path = new Path2D(); + for (let index = 0; index < points * 2; index++) { + const radius = index % 2 === 0 ? outerRadius : innerRadius; + const angle = -Math.PI / 2 + (index * Math.PI) / points; + const x = centerX + Math.cos(angle) * radius; + const y = centerY + Math.sin(angle) * radius; + + if (index === 0) { + path.moveTo(x, y); + } else { + path.lineTo(x, y); + } + } + path.closePath(); + ctx.fillStyle = fill; + ctx.fill(path); + + if (strokeWidth > 0) { + applyAlignedStroke({ + ctx, + path, + strokeWidth, + strokeAlign, + strokeColor: stroke, + }); + } + }, +}; |
