mirror of
https://github.com/harvard-edge/cs249r_book.git
synced 2026-04-30 09:38:38 -05:00
feat(site): add embedded PDF slide viewer to Big Picture page
- Add PDF.js-based slide viewer with navigation controls - Include progress bar and keyboard navigation (arrow keys, spacebar) - Support fullscreen mode via browser API - Add overview slides PDF to static downloads - Link download button to GitHub releases for actual download
This commit is contained in:
Vijay Janapa Reddi
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tinytorch/site/_static/downloads/00_tinytorch.pdf
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tinytorch/site/_static/downloads/00_tinytorch.pdf
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@@ -4,6 +4,380 @@
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This page answers: *How do all the pieces fit together?* Read this before diving into modules to build your mental map.
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```{raw} html
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<style>
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.pdf-viewer-container {
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margin: 1.5rem 0;
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background: #0f172a;
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border-radius: 1.25rem;
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overflow: hidden;
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box-shadow: 0 4px 20px rgba(0,0,0,0.15);
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}
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.pdf-header {
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding: 0.75rem 1rem;
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background: rgba(255,255,255,0.03);
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}
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.pdf-title {
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display: flex;
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align-items: center;
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gap: 0.5rem;
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color: #94a3b8;
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font-weight: 500;
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font-size: 0.85rem;
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}
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.pdf-title-icon {
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font-size: 1rem;
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}
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.pdf-toolbar {
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display: flex;
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align-items: center;
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gap: 0.375rem;
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}
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.pdf-toolbar button {
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background: transparent;
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border: none;
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color: #64748b;
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width: 32px;
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height: 32px;
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border-radius: 0.375rem;
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cursor: pointer;
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font-size: 1.1rem;
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font-weight: 400;
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transition: all 0.15s;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.pdf-toolbar button:hover {
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background: rgba(249, 115, 22, 0.15);
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color: #f97316;
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}
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.pdf-toolbar button:active {
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transform: scale(0.92);
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}
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.pdf-nav-group {
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display: flex;
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align-items: center;
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gap: 0;
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}
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.pdf-page-info {
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color: #64748b;
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font-size: 0.75rem;
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padding: 0 0.5rem;
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font-weight: 500;
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}
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.pdf-zoom-group {
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display: flex;
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align-items: center;
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gap: 0;
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margin-left: 0.25rem;
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padding-left: 0.5rem;
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border-left: 1px solid rgba(255,255,255,0.1);
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}
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.pdf-canvas-wrapper {
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display: flex;
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justify-content: center;
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align-items: center;
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padding: 0.5rem 1rem 1rem 1rem;
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min-height: 480px;
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background: #0f172a;
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}
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#pdf-canvas {
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max-width: 100%;
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max-height: 450px;
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height: auto;
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border-radius: 0.5rem;
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box-shadow: 0 4px 24px rgba(0,0,0,0.4);
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}
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.pdf-progress-wrapper {
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padding: 0 1rem 0.5rem 1rem;
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background: #0f172a;
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}
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.pdf-progress-bar {
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height: 3px;
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background: rgba(255,255,255,0.08);
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border-radius: 1.5px;
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overflow: hidden;
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cursor: pointer;
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}
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.pdf-progress-fill {
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height: 100%;
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background: #f97316;
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border-radius: 1.5px;
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transition: width 0.2s ease;
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}
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.pdf-loading {
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color: #f97316;
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font-size: 0.9rem;
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display: flex;
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align-items: center;
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gap: 0.5rem;
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}
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.pdf-loading::before {
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content: '';
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width: 18px;
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height: 18px;
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border: 2px solid rgba(249, 115, 22, 0.2);
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border-top-color: #f97316;
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border-radius: 50%;
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animation: spin 0.8s linear infinite;
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}
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@keyframes spin {
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to { transform: rotate(360deg); }
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}
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.pdf-footer {
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display: flex;
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justify-content: center;
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gap: 0.5rem;
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padding: 0.75rem 1rem;
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background: rgba(255,255,255,0.02);
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border-top: 1px solid rgba(255,255,255,0.05);
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}
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.pdf-footer a {
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display: inline-flex;
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align-items: center;
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gap: 0.375rem;
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background: #f97316;
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color: white;
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padding: 0.5rem 1rem;
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border-radius: 2rem;
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text-decoration: none;
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font-weight: 500;
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font-size: 0.8rem;
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transition: all 0.15s;
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}
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.pdf-footer a:hover {
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background: #ea580c;
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transform: translateY(-1px);
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color: white;
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}
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.pdf-footer a.secondary {
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background: transparent;
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color: #94a3b8;
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border: 1px solid rgba(255,255,255,0.15);
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}
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.pdf-footer a.secondary:hover {
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background: rgba(255,255,255,0.05);
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color: #f8fafc;
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border-color: rgba(255,255,255,0.25);
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}
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.pdf-viewer-container:fullscreen,
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.pdf-viewer-container:-webkit-full-screen {
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display: flex;
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flex-direction: column;
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background: #0a0a0f;
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}
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.pdf-viewer-container:fullscreen .pdf-canvas-wrapper,
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.pdf-viewer-container:-webkit-full-screen .pdf-canvas-wrapper {
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flex: 1;
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min-height: auto;
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padding: 1rem;
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}
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.pdf-viewer-container:fullscreen #pdf-canvas,
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.pdf-viewer-container:-webkit-full-screen #pdf-canvas {
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max-height: calc(100vh - 140px);
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max-width: 95vw;
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}
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@media (max-width: 600px) {
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.pdf-header {
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flex-direction: column;
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gap: 0.5rem;
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padding: 0.625rem 0.75rem;
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}
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.pdf-toolbar button {
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width: 28px;
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height: 28px;
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font-size: 1rem;
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}
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.pdf-canvas-wrapper {
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min-height: 300px;
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padding: 0.5rem;
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}
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#pdf-canvas {
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max-height: 260px;
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}
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.pdf-progress-wrapper {
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padding: 0 0.75rem 0.375rem 0.75rem;
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}
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.pdf-footer {
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flex-direction: row;
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padding: 0.625rem 0.75rem;
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}
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.pdf-footer a {
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padding: 0.4rem 0.75rem;
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font-size: 0.75rem;
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}
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}
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</style>
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<div class="pdf-viewer-container">
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<div class="pdf-header">
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<div class="pdf-title">
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<span class="pdf-title-icon">🔥</span>
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<span>TinyTorch Overview</span>
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</div>
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<div class="pdf-toolbar">
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<div class="pdf-nav-group">
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<button id="pdf-prev" onclick="pdfPrevPage()" title="Previous slide">‹</button>
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<span class="pdf-page-info"><span id="pdf-page-num">1</span> / <span id="pdf-page-count">-</span></span>
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<button id="pdf-next" onclick="pdfNextPage()" title="Next slide">›</button>
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</div>
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<div class="pdf-zoom-group">
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<button onclick="pdfZoomOut()" title="Zoom out">−</button>
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<button onclick="pdfZoomIn()" title="Zoom in">+</button>
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</div>
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</div>
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</div>
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<div class="pdf-canvas-wrapper">
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<div id="pdf-loading" class="pdf-loading">Loading slides...</div>
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<canvas id="pdf-canvas" style="display:none;"></canvas>
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</div>
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<div class="pdf-progress-wrapper">
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<div class="pdf-progress-bar" id="pdf-progress-bar" onclick="pdfProgressClick(event)">
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<div class="pdf-progress-fill" id="pdf-progress-fill" style="width: 0%;"></div>
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</div>
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</div>
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<div class="pdf-footer">
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<a href="https://github.com/harvard-edge/cs249r_book/releases/download/tinytorch-slides-v0.1.0/00_tinytorch.pdf" download>
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⬇️ Download
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</a>
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<a href="#" onclick="pdfFullscreen(); return false;" class="secondary">
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⛶ Fullscreen
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</a>
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</div>
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</div>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf.min.js"></script>
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<script>
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(function() {
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const pdfUrl = '_static/downloads/00_tinytorch.pdf';
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let pdfDoc = null;
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let pageNum = 1;
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let pageRendering = false;
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let pageNumPending = null;
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let scale = 1.5;
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const canvas = document.getElementById('pdf-canvas');
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const ctx = canvas.getContext('2d');
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pdfjsLib.GlobalWorkerOptions.workerSrc = 'https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf.worker.min.js';
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function updateProgress() {
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if (pdfDoc) {
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const progress = (pageNum / pdfDoc.numPages) * 100;
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document.getElementById('pdf-progress-fill').style.width = progress + '%';
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}
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}
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function renderPage(num) {
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pageRendering = true;
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pdfDoc.getPage(num).then(function(page) {
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const viewport = page.getViewport({scale: scale});
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canvas.height = viewport.height;
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canvas.width = viewport.width;
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const renderContext = {
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canvasContext: ctx,
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viewport: viewport
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};
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const renderTask = page.render(renderContext);
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renderTask.promise.then(function() {
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pageRendering = false;
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if (pageNumPending !== null) {
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renderPage(pageNumPending);
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pageNumPending = null;
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}
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});
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});
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document.getElementById('pdf-page-num').textContent = num;
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updateProgress();
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}
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function queueRenderPage(num) {
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if (pageRendering) {
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pageNumPending = num;
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} else {
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renderPage(num);
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}
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}
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window.pdfPrevPage = function() {
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if (pageNum <= 1) return;
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pageNum--;
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queueRenderPage(pageNum);
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};
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window.pdfNextPage = function() {
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if (pageNum >= pdfDoc.numPages) return;
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pageNum++;
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queueRenderPage(pageNum);
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};
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window.pdfZoomIn = function() {
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scale = Math.min(scale + 0.25, 3);
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queueRenderPage(pageNum);
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};
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window.pdfZoomOut = function() {
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scale = Math.max(scale - 0.25, 0.5);
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queueRenderPage(pageNum);
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};
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window.pdfFullscreen = function() {
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const container = document.querySelector('.pdf-viewer-container');
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if (container.requestFullscreen) {
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container.requestFullscreen();
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} else if (container.webkitRequestFullscreen) {
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container.webkitRequestFullscreen();
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} else if (container.msRequestFullscreen) {
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container.msRequestFullscreen();
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}
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};
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window.pdfProgressClick = function(event) {
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if (!pdfDoc) return;
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const bar = document.getElementById('pdf-progress-bar');
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const rect = bar.getBoundingClientRect();
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const clickX = event.clientX - rect.left;
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const percentage = clickX / rect.width;
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const targetPage = Math.max(1, Math.min(pdfDoc.numPages, Math.ceil(percentage * pdfDoc.numPages)));
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if (targetPage !== pageNum) {
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pageNum = targetPage;
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queueRenderPage(pageNum);
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}
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};
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// Keyboard navigation
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document.addEventListener('keydown', function(event) {
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// Only handle if not in an input field
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if (event.target.tagName === 'INPUT' || event.target.tagName === 'TEXTAREA') return;
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if (event.key === 'ArrowLeft' || event.key === 'ArrowUp') {
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event.preventDefault();
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pdfPrevPage();
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} else if (event.key === 'ArrowRight' || event.key === 'ArrowDown' || event.key === ' ') {
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event.preventDefault();
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pdfNextPage();
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}
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});
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pdfjsLib.getDocument(pdfUrl).promise.then(function(pdf) {
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pdfDoc = pdf;
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document.getElementById('pdf-page-count').textContent = pdf.numPages;
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document.getElementById('pdf-loading').style.display = 'none';
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canvas.style.display = 'block';
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renderPage(pageNum);
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}).catch(function(error) {
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document.getElementById('pdf-loading').innerHTML =
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'Unable to load PDF viewer. <a href="' + pdfUrl + '" style="color:#f97316;">Download directly</a>';
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});
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})();
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</script>
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```
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---
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## The Journey: Foundation to Production
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Reference in New Issue
Block a user