531 lines
16 KiB
TypeScript
531 lines
16 KiB
TypeScript
import type { EventQrInviteLayout } from '../../api';
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export const CANVAS_WIDTH = 1240;
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export const CANVAS_HEIGHT = 1754;
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export type LayoutElementType =
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| 'qr'
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| 'headline'
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| 'subtitle'
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| 'description'
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| 'link'
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| 'badge'
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| 'logo'
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| 'cta'
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| 'text';
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export type LayoutTextAlign = 'left' | 'center' | 'right';
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export interface LayoutElement {
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id: string;
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type: LayoutElementType;
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x: number;
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y: number;
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width: number;
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height: number;
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rotation?: number;
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fontSize?: number;
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align?: LayoutTextAlign;
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content?: string | null;
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fontFamily?: string | null;
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letterSpacing?: number;
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lineHeight?: number;
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fill?: string | null;
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locked?: boolean;
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initial?: boolean;
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}
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type PresetValue = number | ((context: LayoutPresetContext) => number);
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type LayoutPresetElement = {
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id: string;
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type: LayoutElementType;
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x: PresetValue;
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y: PresetValue;
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width?: PresetValue;
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height?: PresetValue;
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fontSize?: number;
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align?: LayoutTextAlign;
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locked?: boolean;
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initial?: boolean;
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};
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type LayoutPreset = LayoutPresetElement[];
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interface LayoutPresetContext {
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qrSize: number;
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canvasWidth: number;
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canvasHeight: number;
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}
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export interface LayoutElementPayload {
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id: string;
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type: LayoutElementType;
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x: number;
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y: number;
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width: number;
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height: number;
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rotation?: number;
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font_size?: number;
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align?: LayoutTextAlign;
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content?: string | null;
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font_family?: string | null;
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letter_spacing?: number;
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line_height?: number;
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fill?: string | null;
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locked?: boolean;
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initial?: boolean;
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}
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export interface LayoutSerializationContext {
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form: QrLayoutCustomization;
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eventName: string;
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inviteUrl: string;
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instructions: string[];
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qrSize: number;
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badgeFallback: string;
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logoUrl: string | null;
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}
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export type QrLayoutCustomization = {
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layout_id?: string;
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headline?: string;
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subtitle?: string;
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description?: string;
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badge_label?: string;
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instructions_heading?: string;
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instructions?: string[];
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link_heading?: string;
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link_label?: string;
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cta_label?: string;
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accent_color?: string;
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text_color?: string;
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background_color?: string;
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secondary_color?: string;
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badge_color?: string;
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background_gradient?: { angle?: number; stops?: string[] } | null;
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logo_data_url?: string | null;
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logo_url?: string | null;
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mode?: 'standard' | 'advanced';
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elements?: LayoutElementPayload[];
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};
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export const MIN_QR_SIZE = 240;
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export const MAX_QR_SIZE = 720;
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export const MIN_TEXT_WIDTH = 160;
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export const MIN_TEXT_HEIGHT = 80;
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export function clamp(value: number, min: number, max: number): number {
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if (Number.isNaN(value)) {
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return min;
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}
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return Math.min(Math.max(value, min), max);
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}
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export function clampElement(element: LayoutElement): LayoutElement {
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return {
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...element,
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x: clamp(element.x, 0, CANVAS_WIDTH - element.width),
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y: clamp(element.y, 0, CANVAS_HEIGHT - element.height),
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width: clamp(element.width, 40, CANVAS_WIDTH),
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height: clamp(element.height, 40, CANVAS_HEIGHT),
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};
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}
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const DEFAULT_TYPE_STYLES: Record<LayoutElementType, { width: number; height: number; fontSize?: number; align?: LayoutTextAlign; locked?: boolean }> = {
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headline: { width: 620, height: 200, fontSize: 68, align: 'left' },
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subtitle: { width: 580, height: 140, fontSize: 34, align: 'left' },
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description: { width: 620, height: 280, fontSize: 28, align: 'left' },
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link: { width: 400, height: 110, fontSize: 28, align: 'center' },
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badge: { width: 280, height: 80, fontSize: 24, align: 'center' },
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logo: { width: 240, height: 180, align: 'center' },
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cta: { width: 400, height: 110, fontSize: 26, align: 'center' },
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qr: { width: 520, height: 520 },
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text: { width: 560, height: 200, fontSize: 26, align: 'left' },
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};
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const DEFAULT_PRESET: LayoutPreset = [
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{ id: 'badge', type: 'badge', x: 120, y: 140, width: 320, height: 80, align: 'center', fontSize: 24 },
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{ id: 'headline', type: 'headline', x: 120, y: 260, width: 620, height: 200, fontSize: 68, align: 'left' },
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{ id: 'subtitle', type: 'subtitle', x: 120, y: 440, width: 600, height: 140, fontSize: 34, align: 'left' },
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{ id: 'description', type: 'description', x: 120, y: 600, width: 620, height: 280, fontSize: 28, align: 'left' },
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{
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id: 'qr',
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type: 'qr',
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x: (context) => context.canvasWidth - context.qrSize - 140,
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y: 360,
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width: (context) => context.qrSize,
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height: (context) => context.qrSize,
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},
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{
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id: 'link',
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type: 'link',
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x: (context) => context.canvasWidth - 420,
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y: (context) => 400 + context.qrSize,
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width: 400,
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height: 110,
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fontSize: 28,
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align: 'center',
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},
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{
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id: 'cta',
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type: 'cta',
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x: (context) => context.canvasWidth - 420,
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y: (context) => 420 + context.qrSize + 140,
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width: 400,
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height: 110,
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fontSize: 26,
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align: 'center',
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},
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];
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const evergreenVowsPreset: LayoutPreset = [
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{ id: 'logo', type: 'logo', x: 120, y: 140, width: 240, height: 180 },
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{ id: 'badge', type: 'badge', x: 400, y: 160, width: 320, height: 80, align: 'center', fontSize: 24 },
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{ id: 'headline', type: 'headline', x: 120, y: 360, width: 620, height: 220, fontSize: 70, align: 'left' },
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{ id: 'subtitle', type: 'subtitle', x: 120, y: 560, width: 600, height: 140, fontSize: 34, align: 'left' },
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{ id: 'description', type: 'description', x: 120, y: 720, width: 620, height: 280, fontSize: 28, align: 'left' },
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{
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id: 'qr',
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type: 'qr',
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x: (context) => context.canvasWidth - context.qrSize - 160,
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y: 460,
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width: (context) => context.qrSize,
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height: (context) => context.qrSize,
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},
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{
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id: 'link',
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type: 'link',
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x: (context) => context.canvasWidth - 420,
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y: (context) => 500 + context.qrSize,
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width: 400,
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height: 110,
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align: 'center',
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},
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{
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id: 'cta',
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type: 'cta',
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x: (context) => context.canvasWidth - 420,
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y: (context) => 520 + context.qrSize + 150,
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width: 400,
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height: 110,
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align: 'center',
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},
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];
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const midnightGalaPreset: LayoutPreset = [
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{ id: 'badge', type: 'badge', x: 360, y: 160, width: 520, height: 90, align: 'center', fontSize: 26 },
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{ id: 'headline', type: 'headline', x: 220, y: 300, width: 800, height: 220, fontSize: 76, align: 'center' },
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{ id: 'subtitle', type: 'subtitle', x: 260, y: 520, width: 720, height: 140, fontSize: 36, align: 'center' },
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{
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id: 'qr',
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type: 'qr',
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x: (context) => (context.canvasWidth - context.qrSize) / 2,
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y: 700,
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width: (context) => context.qrSize,
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height: (context) => context.qrSize,
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},
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{
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id: 'link',
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type: 'link',
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x: (context) => (context.canvasWidth - 420) / 2,
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y: (context) => 740 + context.qrSize,
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width: 420,
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height: 120,
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align: 'center',
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},
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{
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id: 'cta',
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type: 'cta',
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x: (context) => (context.canvasWidth - 420) / 2,
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y: (context) => 770 + context.qrSize + 150,
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width: 420,
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height: 120,
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align: 'center',
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},
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{ id: 'description', type: 'description', x: 200, y: 1040, width: 840, height: 260, fontSize: 28, align: 'center' },
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];
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const gardenBrunchPreset: LayoutPreset = [
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{ id: 'badge', type: 'badge', x: 160, y: 160, width: 360, height: 80, align: 'center', fontSize: 24 },
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{ id: 'headline', type: 'headline', x: 160, y: 300, width: 560, height: 200, fontSize: 66, align: 'left' },
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{ id: 'description', type: 'description', x: 160, y: 520, width: 560, height: 260, fontSize: 28, align: 'left' },
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{
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id: 'qr',
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type: 'qr',
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x: 160,
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y: 840,
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width: (context) => Math.min(context.qrSize, 520),
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height: (context) => Math.min(context.qrSize, 520),
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},
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{
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id: 'link',
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type: 'link',
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x: 160,
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y: (context) => 880 + Math.min(context.qrSize, 520),
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width: 420,
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height: 110,
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align: 'center',
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},
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{
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id: 'cta',
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type: 'cta',
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x: 160,
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y: (context) => 910 + Math.min(context.qrSize, 520) + 140,
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width: 420,
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height: 110,
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align: 'center',
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},
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{ id: 'subtitle', type: 'subtitle', x: 780, y: 320, width: 320, height: 140, fontSize: 32, align: 'left' },
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{ id: 'text-strip', type: 'text', x: 780, y: 480, width: 320, height: 320, fontSize: 24, align: 'left' },
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];
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const sparklerSoireePreset: LayoutPreset = [
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{ id: 'badge', type: 'badge', x: 360, y: 150, width: 520, height: 90, align: 'center', fontSize: 26 },
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{ id: 'headline', type: 'headline', x: 200, y: 300, width: 840, height: 220, fontSize: 72, align: 'center' },
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{ id: 'subtitle', type: 'subtitle', x: 260, y: 520, width: 720, height: 140, fontSize: 34, align: 'center' },
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{ id: 'description', type: 'description', x: 220, y: 680, width: 800, height: 240, fontSize: 28, align: 'center' },
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{
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id: 'qr',
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type: 'qr',
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x: (context) => (context.canvasWidth - context.qrSize) / 2,
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y: 960,
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width: (context) => context.qrSize,
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height: (context) => context.qrSize,
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},
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{
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id: 'link',
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type: 'link',
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x: (context) => (context.canvasWidth - 420) / 2,
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y: (context) => 1000 + context.qrSize,
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width: 420,
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height: 110,
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align: 'center',
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},
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{
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id: 'cta',
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type: 'cta',
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x: (context) => (context.canvasWidth - 420) / 2,
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y: (context) => 1030 + context.qrSize + 140,
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width: 420,
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height: 110,
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align: 'center',
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},
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];
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const confettiBashPreset: LayoutPreset = [
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{ id: 'badge', type: 'badge', x: 140, y: 180, width: 360, height: 90, align: 'center', fontSize: 24 },
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{ id: 'headline', type: 'headline', x: 140, y: 320, width: 520, height: 220, fontSize: 68, align: 'left' },
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{ id: 'subtitle', type: 'subtitle', x: 140, y: 520, width: 520, height: 140, fontSize: 34, align: 'left' },
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{ id: 'description', type: 'description', x: 140, y: 680, width: 520, height: 240, fontSize: 26, align: 'left' },
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{
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id: 'qr',
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type: 'qr',
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x: (context) => context.canvasWidth - context.qrSize - 200,
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y: 360,
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width: (context) => context.qrSize,
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height: (context) => context.qrSize,
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},
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{
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id: 'link',
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type: 'link',
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x: (context) => context.canvasWidth - 420,
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y: (context) => 400 + context.qrSize,
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width: 400,
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height: 110,
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align: 'center',
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},
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{
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id: 'cta',
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type: 'cta',
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x: (context) => context.canvasWidth - 420,
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y: (context) => 430 + context.qrSize + 140,
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width: 400,
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height: 110,
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align: 'center',
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},
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{ id: 'text-strip', type: 'text', x: 140, y: 960, width: 860, height: 220, fontSize: 26, align: 'left' },
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];
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const LAYOUT_PRESETS: Record<string, LayoutPreset> = {
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'default': DEFAULT_PRESET,
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'evergreen-vows': evergreenVowsPreset,
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'midnight-gala': midnightGalaPreset,
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'garden-brunch': gardenBrunchPreset,
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'sparkler-soiree': sparklerSoireePreset,
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'confetti-bash': confettiBashPreset,
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};
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function resolvePresetValue(value: PresetValue | undefined, context: LayoutPresetContext, fallback: number): number {
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if (typeof value === 'function') {
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const resolved = value(context);
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return typeof resolved === 'number' ? resolved : fallback;
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}
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if (typeof value === 'number') {
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return value;
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}
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return fallback;
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}
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export function buildDefaultElements(
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layout: EventQrInviteLayout,
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form: QrLayoutCustomization,
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eventName: string,
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qrSize: number
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): LayoutElement[] {
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const size = clamp(qrSize, MIN_QR_SIZE, MAX_QR_SIZE);
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const context: LayoutPresetContext = {
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qrSize: size,
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canvasWidth: CANVAS_WIDTH,
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canvasHeight: CANVAS_HEIGHT,
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};
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const preset = LAYOUT_PRESETS[layout.id ?? ''] ?? DEFAULT_PRESET;
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const instructionsHeading = form.instructions_heading ?? layout.instructions_heading ?? "So funktioniert's";
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const instructionsList = Array.isArray(form.instructions) && form.instructions.length
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? form.instructions
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: (layout.instructions ?? []);
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const baseContent: Record<string, string | null> = {
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headline: form.headline ?? eventName,
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subtitle: form.subtitle ?? layout.subtitle ?? '',
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description: form.description ?? layout.description ?? '',
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badge: form.badge_label ?? layout.badge_label ?? 'Digitale Gästebox',
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link: form.link_label ?? '',
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cta: form.cta_label ?? layout.cta_label ?? 'Scan mich & starte direkt',
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instructions_heading: instructionsHeading,
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instructions_text: instructionsList[0] ?? null,
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};
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const elements = preset.map((config) => {
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const typeStyle = DEFAULT_TYPE_STYLES[config.type] ?? { width: 420, height: 160 };
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const widthFallback = config.type === 'qr' ? size : typeStyle.width;
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const heightFallback = config.type === 'qr' ? size : typeStyle.height;
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const element: LayoutElement = {
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id: config.id,
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type: config.type,
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x: resolvePresetValue(config.x, context, 0),
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y: resolvePresetValue(config.y, context, 0),
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width: resolvePresetValue(config.width, context, widthFallback),
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height: resolvePresetValue(config.height, context, heightFallback),
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fontSize: config.fontSize ?? typeStyle.fontSize,
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align: config.align ?? typeStyle.align ?? 'left',
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content: null,
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locked: config.locked ?? typeStyle.locked ?? false,
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initial: config.initial ?? true,
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};
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if (config.type === 'description') {
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element.lineHeight = 1.4;
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}
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switch (config.id) {
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case 'headline':
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element.content = baseContent.headline;
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break;
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case 'subtitle':
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element.content = baseContent.subtitle;
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break;
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case 'description':
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element.content = baseContent.description;
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break;
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case 'badge':
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element.content = baseContent.badge;
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break;
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case 'link':
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element.content = baseContent.link;
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break;
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case 'cta':
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element.content = baseContent.cta;
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break;
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case 'text-strip':
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element.content = instructionsList.join('\n').trim() || layout.description || 'Nutze diesen Bereich für zusätzliche Hinweise oder Storytelling.';
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break;
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case 'logo':
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element.content = form.logo_data_url ?? form.logo_url ?? layout.logo_url ?? null;
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break;
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default:
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if (config.type === 'text') {
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element.content = element.content ?? 'Individualisiere diesen Textblock mit eigenen Infos.';
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}
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break;
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}
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if (config.type === 'qr') {
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element.locked = false;
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}
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const clamped = clampElement(element);
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return {
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...clamped,
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initial: element.initial ?? true,
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};
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});
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return elements;
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}
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export function payloadToElements(payload?: LayoutElementPayload[] | null): LayoutElement[] {
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if (!Array.isArray(payload)) {
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return [];
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}
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return payload.map((entry) =>
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clampElement({
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id: entry.id,
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type: entry.type,
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x: Number(entry.x ?? 0),
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y: Number(entry.y ?? 0),
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width: Number(entry.width ?? 100),
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height: Number(entry.height ?? 100),
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rotation: typeof entry.rotation === 'number' ? entry.rotation : 0,
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fontSize: typeof entry.font_size === 'number' ? entry.font_size : undefined,
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align: entry.align ?? 'left',
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content: entry.content ?? null,
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fontFamily: entry.font_family ?? null,
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letterSpacing: entry.letter_spacing ?? undefined,
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lineHeight: entry.line_height ?? undefined,
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fill: entry.fill ?? null,
|
|
locked: Boolean(entry.locked),
|
|
initial: Boolean(entry.initial),
|
|
})
|
|
);
|
|
}
|
|
|
|
export function elementsToPayload(elements: LayoutElement[]): LayoutElementPayload[] {
|
|
return elements.map((element) => ({
|
|
id: element.id,
|
|
type: element.type,
|
|
x: element.x,
|
|
y: element.y,
|
|
width: element.width,
|
|
height: element.height,
|
|
rotation: element.rotation ?? 0,
|
|
font_size: element.fontSize,
|
|
align: element.align,
|
|
content: element.content ?? null,
|
|
font_family: element.fontFamily ?? null,
|
|
letter_spacing: element.letterSpacing,
|
|
line_height: element.lineHeight,
|
|
fill: element.fill ?? null,
|
|
locked: element.locked ?? false,
|
|
initial: element.initial ?? false,
|
|
}));
|
|
}
|
|
|
|
export function normalizeElements(elements: LayoutElement[]): LayoutElement[] {
|
|
const seen = new Set<string>();
|
|
return elements
|
|
.filter((element) => {
|
|
if (!element.id) {
|
|
return false;
|
|
}
|
|
if (seen.has(element.id)) {
|
|
return false;
|
|
}
|
|
seen.add(element.id);
|
|
return true;
|
|
})
|
|
.map(clampElement);
|
|
}
|