feat: implement physical abacus logic and fix numeral coloring regression
This commit includes two major improvements: 1. Physical Abacus Logic for Bead Positioning: - Rewrote bead positioning to accurately model physical soroban behavior - Active beads positioned close to reckoning bar in sequence - Inactive beads positioned after active beads + gap, or after bar + gap if no active beads - Consistent 5pt gaps maintain proper visual separation - Fixes PDF/SVG positioning inconsistencies 2. Individual Digit Coloring for Place-Value Scheme: - Fixed regression where numerals showed single color instead of per-digit colors - Added get_colored_numeral_html() for proper multi-color numeral rendering - Place-value scheme now colors each digit by its place value (ones=blue, tens=magenta, etc.) - Other schemes (heaven-earth, alternating) use single color spans - Maintains backwards compatibility with existing tests Technical Changes: - templates/flashcards.typ: Complete rewrite of bead positioning logic - src/web_generator.py: New HTML generation for colored numerals - tests/test_web_generation.py: Updated tests for new coloring behavior - tests/references/: Updated visual regression baseline 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Thomas Hallock
parent
47ecbb3bc9
commit
5e3d799096
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@ -8,17 +8,80 @@ import tempfile
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from pathlib import Path
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def get_numeral_color(number, config):
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"""Get color for numeral based on configuration."""
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if not config.get('colored_numerals', False):
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return "#333"
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def get_colored_numeral_html(number, config):
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"""Generate HTML for numeral with appropriate coloring based on configuration."""
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color_scheme = config.get('color_scheme', 'monochrome')
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if color_scheme == 'monochrome':
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return "#333"
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# For web display, automatically use colored numerals for non-monochrome schemes
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use_colored = config.get('colored_numerals', False) or color_scheme != 'monochrome'
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if not use_colored or color_scheme == 'monochrome':
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return str(number)
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# Use the same colors as in the Typst template
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place_value_colors = [
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"#2E86AB", # ones - blue
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"#A23B72", # tens - magenta
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"#F18F01", # hundreds - orange
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"#6A994E", # thousands - green
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"#BC4B51", # ten-thousands - red
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]
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if color_scheme == 'place-value':
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# Color each digit by its place value (right-to-left: rightmost is ones)
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digits = str(number)
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colored_spans = []
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for i, digit in enumerate(digits):
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place_idx = len(digits) - 1 - i # rightmost digit is place 0 (ones)
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color_idx = place_idx % len(place_value_colors)
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color = place_value_colors[color_idx]
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colored_spans.append(f'<span style="color: {color};">{digit}</span>')
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return ''.join(colored_spans)
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elif color_scheme == 'heaven-earth':
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# Use orange (heaven bead color)
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return f'<span style="color: #F18F01;">{number}</span>'
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elif color_scheme == 'alternating':
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# For alternating, use blue for simplicity in web display
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return f'<span style="color: #1E88E5;">{number}</span>'
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else:
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# For colored schemes, use a darker color for visibility
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return "#222"
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return str(number)
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def get_numeral_color(number, config):
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"""Get single color for numeral (kept for backwards compatibility with tests)."""
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color_scheme = config.get('color_scheme', 'monochrome')
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# For web display, automatically use colored numerals for non-monochrome schemes
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use_colored = config.get('colored_numerals', False) or color_scheme != 'monochrome'
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if not use_colored or color_scheme == 'monochrome':
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return "#333"
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# Use the same colors as in the Typst template
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place_value_colors = [
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"#2E86AB", # ones - blue
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"#A23B72", # tens - magenta
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"#F18F01", # hundreds - orange
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"#6A994E", # thousands - green
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"#BC4B51", # ten-thousands - red
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]
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if color_scheme == 'place-value':
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# For single color (used by tests), return highest place value color
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digits = str(number)
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place_idx = len(digits) - 1 # Most significant digit place
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color_idx = place_idx % len(place_value_colors)
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return place_value_colors[color_idx]
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elif color_scheme == 'heaven-earth':
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# Use orange (heaven bead color)
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return "#F18F01"
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elif color_scheme == 'alternating':
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# For alternating, use blue for simplicity in web display
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return "#1E88E5"
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else:
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return "#333"
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def generate_card_svgs(numbers, config):
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@ -80,7 +143,7 @@ def generate_web_flashcards(numbers, config, output_path):
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cards_html = []
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for i, number in enumerate(numbers):
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svg_content = card_svgs.get(number, f'<svg width="300" height="200"><text x="150" y="100" text-anchor="middle" font-size="48">Error</text></svg>')
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numeral_color = get_numeral_color(number, config)
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colored_numeral = get_colored_numeral_html(number, config)
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card_html = f'''
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<div class="flashcard" data-number="{number}">
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@ -88,7 +151,7 @@ def generate_web_flashcards(numbers, config, output_path):
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<div class="abacus-container">
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{svg_content}
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</div>
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<div class="numeral" style="color: {numeral_color};">{number}</div>
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<div class="numeral">{colored_numeral}</div>
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</div>'''
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cards_html.append(card_html)
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@ -139,13 +139,13 @@
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)
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// Draw heaven bead
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// Position inactive earth bead gap from reckoning bar: 19px you measured
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// Convert to same gap for heaven: heaven-earth-gap - gap - bead-size/2
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#let earth-gap = 19pt // Exact same gap as earth beads
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#let heaven-gap = 5pt // Gap between active/inactive beads or bar/inactive beads
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#let heaven-y = if heaven-active == 1 {
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heaven-earth-gap - bead-size / 2 - 1pt // Active (center just above bar)
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// Active heaven bead: positioned close to reckoning bar
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heaven-earth-gap - bead-size / 2 - 1pt
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} else {
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heaven-earth-gap - earth-gap - bead-size / 2 // Inactive (same gap as earth, measured from reckoning bar)
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// Inactive heaven bead: positioned away from reckoning bar with gap
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heaven-earth-gap - heaven-gap - bead-size / 2
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}
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#let bead-color = if heaven-active == 1 {
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@ -171,9 +171,17 @@
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#for i in range(4) [
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#let is-active = i < earth-active
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#let earth-y = if is-active {
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// Active beads: positioned close to reckoning bar, in sequence
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heaven-earth-gap + bar-thickness + 1pt + bead-size / 2 + i * (bead-size + bead-spacing)
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} else {
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total-height - (4 - i) * (bead-size + bead-spacing) - 5pt + bead-size / 2
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// Inactive beads: positioned after the active beads + gap, or after reckoning bar + gap if no active beads
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if earth-active > 0 {
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// Position after the last active bead + gap
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heaven-earth-gap + bar-thickness + 1pt + bead-size / 2 + earth-active * (bead-size + bead-spacing) + heaven-gap + (i - earth-active) * (bead-size + bead-spacing)
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} else {
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// No active beads: position after reckoning bar + gap
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heaven-earth-gap + bar-thickness + heaven-gap + bead-size / 2 + i * (bead-size + bead-spacing)
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}
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}
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#let earth-bead-color = if is-active {
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Binary file not shown.
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Before Width: | Height: | Size: 3.4 KiB After Width: | Height: | Size: 3.3 KiB |
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@ -29,13 +29,21 @@ class TestWebGeneration:
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def test_get_numeral_color_place_value(self, sample_config):
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"""Test numeral color for place-value scheme."""
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config = {**sample_config, 'color_scheme': 'place-value', 'colored_numerals': True}
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color = get_numeral_color(42, config)
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assert color == "#222" # Darker color for visibility
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# Without colored numerals, should return default
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config['colored_numerals'] = False
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# Test different place values
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color = get_numeral_color(7, config) # ones place
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assert color == "#2E86AB" # blue
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color = get_numeral_color(42, config) # tens place
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assert color == "#A23B72" # magenta
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color = get_numeral_color(456, config) # hundreds place
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assert color == "#F18F01" # orange
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# For place-value scheme, colored numerals are automatically enabled
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config['colored_numerals'] = False
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color = get_numeral_color(42, config)
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assert color == "#333"
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assert color == "#A23B72" # Still colored because place-value auto-enables coloring
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@patch('generate.generate_cards_direct')
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def test_generate_card_svgs_success(self, mock_generate_cards_direct, sample_config, temp_dir):
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