Files
nonograms/src/utils/shareUtils.js

285 lines
11 KiB
JavaScript

import { calculateDifficulty } from '@/utils/puzzleUtils';
export function buildShareCanvas(data, t, formattedTime) {
const { grid, size, currentDensity, guideUsageCount } = data;
if (!grid || !grid.length) return null;
const appUrl = 'https://nonograms.7u.pl/';
const maxBoard = 640;
const cellSize = Math.max(8, Math.floor(maxBoard / size));
const boardSize = cellSize * size;
const padding = 28;
const headerHeight = 64;
const footerHeight = 28;
const infoHeight = 40; // New space for difficulty/guide info
const width = boardSize + padding * 2;
const height = boardSize + padding * 2 + headerHeight + footerHeight + infoHeight;
const scale = window.devicePixelRatio || 1;
const canvas = document.createElement('canvas');
canvas.width = width * scale;
canvas.height = height * scale;
const ctx = canvas.getContext('2d');
if (!ctx) return null;
ctx.scale(scale, scale);
const bg = ctx.createLinearGradient(0, 0, width, height);
bg.addColorStop(0, '#1b2a4a');
bg.addColorStop(1, '#0a1324');
ctx.fillStyle = bg;
ctx.fillRect(0, 0, width, height);
ctx.fillStyle = 'rgba(0, 0, 0, 0.35)';
ctx.fillRect(12, 12, width - 24, height - 24);
ctx.fillStyle = '#e8fbff';
ctx.font = '700 26px "Segoe UI", sans-serif';
ctx.fillText(t('app.title'), padding, padding + 10);
ctx.font = '600 16px "Segoe UI", sans-serif';
ctx.fillText(`${t('win.time')} ${formattedTime}`, padding, padding + 34);
// Difficulty & Density Info
const densityPercent = Math.round(currentDensity * 100);
const { level: difficultyKey } = calculateDifficulty(currentDensity, size);
let diffColor = '#33ff33';
if (difficultyKey === 'extreme') diffColor = '#ff3333';
else if (difficultyKey === 'hardest') diffColor = '#ff9933';
else if (difficultyKey === 'harder') diffColor = '#ffff33';
const difficultyText = t(`difficulty.${difficultyKey}`);
ctx.font = '600 14px "Segoe UI", sans-serif';
// Right aligned difficulty info
const diffLabel = `${t('win.difficulty')} ${difficultyText} (${densityPercent}%)`;
const diffWidth = ctx.measureText(diffLabel).width;
ctx.fillStyle = diffColor;
ctx.fillText(diffLabel, width - padding - diffWidth, padding + 34);
const gridX = padding;
const gridY = padding + headerHeight;
ctx.fillStyle = 'rgba(255, 255, 255, 0.06)';
ctx.fillRect(gridX, gridY, boardSize, boardSize);
ctx.strokeStyle = 'rgba(255, 255, 255, 0.12)';
ctx.lineWidth = 1;
for (let i = 0; i <= size; i++) {
const x = gridX + i * cellSize;
const y = gridY + i * cellSize;
ctx.beginPath();
ctx.moveTo(x, gridY);
ctx.lineTo(x, gridY + boardSize);
ctx.stroke();
ctx.beginPath();
ctx.moveTo(gridX, y);
ctx.lineTo(gridX + boardSize, y);
ctx.stroke();
}
ctx.fillStyle = '#00f2fe';
ctx.strokeStyle = 'rgba(255, 255, 255, 0.5)';
ctx.lineWidth = Math.max(1.5, Math.floor(cellSize * 0.12));
for (let r = 0; r < size; r++) {
for (let c = 0; c < size; c++) {
const state = grid[r]?.[c];
if (state === 1) {
const x = gridX + c * cellSize + 1;
const y = gridY + r * cellSize + 1;
ctx.fillRect(x, y, cellSize - 2, cellSize - 2);
} else if (state === 2) {
const x = gridX + c * cellSize + cellSize * 0.2;
const y = gridY + r * cellSize + cellSize * 0.2;
const d = cellSize * 0.6;
ctx.beginPath();
ctx.moveTo(x, y);
ctx.lineTo(x + d, y + d);
ctx.stroke();
ctx.beginPath();
ctx.moveTo(x + d, y);
ctx.lineTo(x, y + d);
ctx.stroke();
}
}
}
// Guide Usage Info (Dirty Flag)
if (guideUsageCount > 0) {
ctx.fillStyle = '#ff4d4d';
ctx.font = '600 14px "Segoe UI", sans-serif';
const totalCells = size * size;
const percent = Math.min(100, Math.round((guideUsageCount / totalCells) * 100));
const guideText = t('win.usedGuide', { count: guideUsageCount, percent });
ctx.fillText(`⚠️ ${guideText}`, padding, height - padding - footerHeight + 10);
}
ctx.fillStyle = 'rgba(255, 255, 255, 0.75)';
ctx.font = '500 14px "Segoe UI", sans-serif';
ctx.fillText(appUrl, padding, height - padding + 6);
return canvas;
}
export function buildShareSVG(data, t, formattedTime) {
const { grid, size, currentDensity, guideUsageCount } = data;
if (!grid || !grid.length) return null;
const appUrl = 'https://nonograms.7u.pl/';
const maxBoard = 640;
const cellSize = Math.max(8, Math.floor(maxBoard / size));
const boardSize = cellSize * size;
const padding = 28;
const headerHeight = 64;
const footerHeight = 28;
const infoHeight = 40;
const width = boardSize + padding * 2;
const height = boardSize + padding * 2 + headerHeight + footerHeight + infoHeight;
// Colors
const bgGradientStart = '#1b2a4a';
const bgGradientEnd = '#0a1324';
const overlayColor = 'rgba(0, 0, 0, 0.35)';
const textColor = '#e8fbff';
const gridColor = 'rgba(255, 255, 255, 0.06)';
const gridLineColor = 'rgba(255, 255, 255, 0.12)';
const filledColor = '#00f2fe';
const crossColor = 'rgba(255, 255, 255, 0.5)';
const urlColor = 'rgba(255, 255, 255, 0.75)';
// Difficulty Logic
const densityPercent = Math.round(currentDensity * 100);
const { level: difficultyKey } = calculateDifficulty(currentDensity, size);
let diffColor = '#33ff33';
if (difficultyKey === 'extreme') diffColor = '#ff3333';
else if (difficultyKey === 'hardest') diffColor = '#ff9933';
else if (difficultyKey === 'harder') diffColor = '#ffff33';
const difficultyText = t(`difficulty.${difficultyKey}`);
const diffLabel = `${t('win.difficulty')} ${difficultyText} (${densityPercent}%)`;
let svgContent = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 ${width} ${height}" width="${width}" height="${height}">`;
// Background
svgContent += `
<defs>
<linearGradient id="bg" x1="0%" y1="0%" x2="100%" y2="100%">
<stop offset="0%" stop-color="${bgGradientStart}"/>
<stop offset="100%" stop-color="${bgGradientEnd}"/>
</linearGradient>
</defs>
<rect width="100%" height="100%" fill="url(#bg)"/>
<rect x="12" y="12" width="${width - 24}" height="${height - 24}" fill="${overlayColor}"/>
`;
// Text: Title & Time
svgContent += `
<text x="${padding}" y="${padding + 28}" font-family="Segoe UI, sans-serif" font-weight="700" font-size="26" fill="${textColor}">${t('app.title')}</text>
<text x="${padding}" y="${padding + 56}" font-family="Segoe UI, sans-serif" font-weight="600" font-size="16" fill="${textColor}">${t('win.time')} ${formattedTime}</text>
`;
// Text: Difficulty (Right Aligned - manual approx or end anchor)
svgContent += `
<text x="${width - padding}" y="${padding + 56}" font-family="Segoe UI, sans-serif" font-weight="600" font-size="14" fill="${diffColor}" text-anchor="end">${diffLabel}</text>
`;
const gridX = padding;
const gridY = padding + headerHeight;
// Grid Background
svgContent += `<rect x="${gridX}" y="${gridY}" width="${boardSize}" height="${boardSize}" fill="${gridColor}"/>`;
// Grid Lines
let gridLines = '';
for (let i = 0; i <= size; i++) {
const pos = i * cellSize;
// Vertical
gridLines += `<line x1="${gridX + pos}" y1="${gridY}" x2="${gridX + pos}" y2="${gridY + boardSize}" stroke="${gridLineColor}" stroke-width="1"/>`;
// Horizontal
gridLines += `<line x1="${gridX}" y1="${gridY + pos}" x2="${gridX + boardSize}" y2="${gridY + pos}" stroke="${gridLineColor}" stroke-width="1"/>`;
}
svgContent += gridLines;
// Cells
let cells = '';
const lineWidth = Math.max(1.5, Math.floor(cellSize * 0.12));
for (let r = 0; r < size; r++) {
for (let c = 0; c < size; c++) {
const state = grid[r]?.[c];
const cx = gridX + c * cellSize;
const cy = gridY + r * cellSize;
if (state === 1) { // Filled
cells += `<rect x="${cx + 1}" y="${cy + 1}" width="${cellSize - 2}" height="${cellSize - 2}" fill="${filledColor}"/>`;
} else if (state === 2) { // Cross
const d = cellSize * 0.6;
const off = cellSize * 0.2;
cells += `
<path d="M${cx + off} ${cy + off} L${cx + off + d} ${cy + off + d} M${cx + off + d} ${cy + off} L${cx + off} ${cy + off + d}"
stroke="${crossColor}" stroke-width="${lineWidth}" stroke-linecap="round"/>
`;
}
}
}
svgContent += cells;
// Guide Usage
if (guideUsageCount > 0) {
const totalCells = size * size;
const percent = Math.min(100, Math.round((guideUsageCount / totalCells) * 100));
const guideText = t('win.usedGuide', { count: guideUsageCount, percent });
svgContent += `<text x="${padding}" y="${height - padding - footerHeight + 10}" font-family="Segoe UI, sans-serif" font-weight="600" font-size="14" fill="#ff4d4d">⚠️ ${guideText}</text>`;
}
// URL
svgContent += `<text x="${padding}" y="${height - padding + 6}" font-family="Segoe UI, sans-serif" font-weight="500" font-size="14" fill="${urlColor}">${appUrl}</text>`;
svgContent += '</svg>';
return svgContent;
}
export const canvasToBlob = (canvas) => new Promise((resolve) => canvas.toBlob((blob) => resolve(blob), 'image/png'));
export const createShareBlob = async (data, t, formattedTime) => {
const canvas = buildShareCanvas(data, t, formattedTime);
if (!canvas) return null;
return canvasToBlob(canvas);
};
export const downloadShareSVG = (data, t, formattedTime) => {
const svgString = buildShareSVG(data, t, formattedTime);
if (!svgString) return;
const blob = new Blob([svgString], { type: 'image/svg+xml' });
const url = URL.createObjectURL(blob);
const link = document.createElement('a');
link.href = url;
link.download = `nonogram-${data.size}x${data.size}.svg`;
document.body.appendChild(link);
link.click();
link.remove();
URL.revokeObjectURL(url);
};
export const downloadShareImage = async (data, t, formattedTime) => {
const blob = await createShareBlob(data, t, formattedTime);
if (!blob) return;
const url = URL.createObjectURL(blob);
const link = document.createElement('a');
link.href = url;
link.download = `nonogram-${data.size}x${data.size}.png`;
document.body.appendChild(link);
link.click();
link.remove();
URL.revokeObjectURL(url);
};
export const buildShareUrl = (target, text, url) => {
const encodedText = encodeURIComponent(text);
const encodedUrl = encodeURIComponent(url);
if (target === 'x') {
return `https://x.com/intent/tweet?text=${encodedText}&url=${encodedUrl}`;
}
if (target === 'facebook') {
return `https://www.facebook.com/sharer/sharer.php?u=${encodedUrl}&quote=${encodedText}`;
}
if (target === 'whatsapp') {
return `https://wa.me/?text=${encodeURIComponent(`${text} ${url}`)}`;
}
return '';
};