加入awebp编码支持
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@@ -92,6 +92,9 @@
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<div id="animatedThumbDialogTitle" class="thumb-dialog-title" data-i18n="viewer.animatedThumbnailTitle">生成动画缩略图</div>
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<div class="thumb-dialog-note warning" data-i18n="viewer.animatedThumbnailNote">生成后将替换当前素材缩略图，插件无法自动恢复原图。长动画会自动降低帧率以控制文件大小。</div>
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<div class="animated-thumb-form">
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<label class="animated-thumb-quality"><span data-i18n="viewer.animatedFormat">输出格式</span>
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<select id="animatedThumbFormat"><option value="webp">AWebP (.webp)</option><option value="apng">APNG (.png)</option></select>
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</label>
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<div class="animated-thumb-label" data-i18n="viewer.animatedRange">动画范围</div>
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<div class="animated-thumb-range">
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<label><span data-i18n="viewer.animatedStart">开始</span><input id="animatedThumbStart" type="number" min="0" step="1"></label>
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@@ -124,6 +127,7 @@
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const groupThumbnails = require('../js/spine-group-thumbnails.js');
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const previewSettingsModule = require('../js/spine-preview-settings.js');
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const apngEncoder = require('../js/apng-encoder.js');
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const animatedWebpEncoder = require('../js/animated-webp-encoder.js');
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let spineBadgeImagePromise = null;
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function loadSpineBadgeImage() {
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@@ -785,6 +789,7 @@
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const dialog = document.getElementById('animatedThumbDialog');
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const startInput = document.getElementById('animatedThumbStart');
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const endInput = document.getElementById('animatedThumbEnd');
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const formatInput = document.getElementById('animatedThumbFormat');
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const maxSizeInput = document.getElementById('animatedThumbMaxSize');
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const errorEl = document.getElementById('animatedThumbDialogError');
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const confirm = document.getElementById('animatedThumbDialogConfirm');
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@@ -795,6 +800,7 @@
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startInput.max = String(totalFrames);
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endInput.value = String(totalFrames);
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endInput.max = String(totalFrames);
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formatInput.value = 'webp';
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maxSizeInput.value = '100';
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errorEl.textContent = '';
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dialog.classList.remove('hidden');
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@@ -821,6 +827,7 @@
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finish({
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start: startFrame / FPS,
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end: Math.min(endFrame / FPS, animationLength),
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format: formatInput.value === 'apng' ? 'apng' : 'webp',
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maxKilobytes,
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});
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};
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@@ -947,6 +954,65 @@
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return smallest;
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}
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async function encodeAnimatedWebpToLimit(sourceFrames, size, range, maxKilobytes) {
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const targetBytes = maxKilobytes * 1024;
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const profiles = [
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{ ratio: 1, quality: 0.82 },
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{ ratio: 0.75, quality: 0.72 },
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{ ratio: 0.5, quality: 0.62 },
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{ ratio: 0.33, quality: 0.52 },
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{ ratio: 0.25, quality: 0.42 },
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{ count: 4, quality: 0.35 },
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{ count: 3, quality: 0.28 },
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{ count: 2, quality: 0.2 },
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{ count: 3, quality: 0.3, size: 320 },
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{ count: 3, quality: 0.25, size: 256 },
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{ count: 2, quality: 0.2, size: 192 },
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{ count: 2, quality: 0.15, size: 128 },
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{ count: 2, quality: 0.1, size: 96 },
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{ count: 2, quality: 0.08, size: 64 },
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{ count: 2, quality: 0.05, size: 32 },
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];
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let smallest = null;
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for (let profileIndex = 0; profileIndex < profiles.length; profileIndex++) {
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const profile = profiles[profileIndex];
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const outputSize = profile.size || size;
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const count = Math.max(2, Math.min(sourceFrames.length, profile.count || Math.round(sourceFrames.length * profile.ratio)));
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const duration = Math.max(1, Math.round(range * 1000 / count));
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const canvas = document.createElement('canvas');
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canvas.width = outputSize; canvas.height = outputSize;
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const context = canvas.getContext('2d');
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const cache = new Map();
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const makeFrame = (index) => {
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const sourceIndex = Math.min(sourceFrames.length - 1, Math.floor(index * sourceFrames.length / count));
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if (cache.has(sourceIndex)) return cache.get(sourceIndex);
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const pixels = resizeFramePixels(sourceFrames[sourceIndex], size, outputSize);
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const image = context.createImageData(outputSize, outputSize);
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image.data.set(pixels);
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context.putImageData(image, 0, 0);
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const dataUrl = canvas.toDataURL('image/webp', profile.quality);
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if (!dataUrl.startsWith('data:image/webp')) throw new Error(t('viewer.animatedWebpUnavailable'));
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const webp = Buffer.from(dataUrl.slice(dataUrl.indexOf(',') + 1), 'base64');
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cache.set(sourceIndex, webp);
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return webp;
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};
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if (count > 3) {
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const probe = [makeFrame(0), makeFrame(Math.floor(count / 2)), makeFrame(count - 1)];
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if (probe.reduce((total, frame) => total + frame.length, 0) * count / probe.length > targetBytes * 1.5) continue;
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}
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const frames = [];
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for (let index = 0; index < count; index++) {
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frames.push({ webp: makeFrame(index), duration });
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if (index % 6 === 5) await new Promise((resolve) => setTimeout(resolve, 0));
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}
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setStatus(t('viewer.animatedCompressing', { current: profileIndex + 1, total: profiles.length }), Infinity);
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const buffer = animatedWebpEncoder.encode({ width: outputSize, height: outputSize, frames, plays: 0 });
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if (!smallest || buffer.length < smallest.buffer.length) smallest = { buffer, frames: count, size: outputSize };
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if (buffer.length <= targetBytes) return { buffer, frames: count, size: outputSize };
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}
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return smallest;
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}
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async function renderAnimatedThumbnail(animation, options) {
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const size = 400;
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const range = options.end - options.start;
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@@ -993,16 +1059,19 @@
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octx.restore();
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await drawSpineBadge(octx, size, size);
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spineBadge.drawVersion(octx, size, size, skeletonData.version || activeVersion);
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const rgba = octx.getImageData(0, 0, size, size).data;
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sourceFrames.push(new Uint8Array(rgba));
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const rgba = new Uint8Array(octx.getImageData(0, 0, size, size).data);
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for (let alpha = 3; alpha < rgba.length; alpha += 4) rgba[alpha] = 255;
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sourceFrames.push(rgba);
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setStatus(t('viewer.animatedGenerating', { current: index + 1, total: frameCount }), Infinity);
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if (index % 6 === 5) await new Promise((resolve) => setTimeout(resolve, 0));
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}
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} finally {
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if (offRenderer && offRenderer.dispose) offRenderer.dispose();
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}
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const encoded = await encodeAnimatedThumbnailToLimit(sourceFrames, size, range, options.maxKilobytes);
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return { buffer: encoded.buffer, extension: '.png', frames: encoded.frames, size: encoded.size };
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const encoded = options.format === 'apng'
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? await encodeAnimatedThumbnailToLimit(sourceFrames, size, range, options.maxKilobytes)
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: await encodeAnimatedWebpToLimit(sourceFrames, size, range, options.maxKilobytes);
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return { buffer: encoded.buffer, extension: options.format === 'apng' ? '.png' : '.webp', frames: encoded.frames, size: encoded.size };
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}
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async function generateAnimatedThumbnail() {
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@@ -1025,7 +1094,7 @@
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const currentItem = await getEagleItemForPath(filePath);
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setStatus(t('viewer.animatedGenerating', { current: 0, total: '…' }), Infinity);
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const rendered = await renderAnimatedThumbnail(animation, options);
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tempPath = path.join(os.tmpdir(), 'spineviewer-current-animated-' + crypto.randomBytes(12).toString('hex') + '.png');
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tempPath = path.join(os.tmpdir(), 'spineviewer-current-animated-' + crypto.randomBytes(12).toString('hex') + rendered.extension);
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fs.writeFileSync(tempPath, rendered.buffer);
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await setEagleCustomThumbnail(currentItem.id, tempPath);
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setStatus(t('viewer.animatedThumbUpdated', {
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