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67 lines
2.8 KiB
Python
67 lines
2.8 KiB
Python
"""
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Configuration forms for fast screenshot comparison processor.
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"""
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from wtforms import SelectField, validators
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from changedetectionio.forms import processor_text_json_diff_form
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class processor_settings_form(processor_text_json_diff_form):
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"""Form for fast image comparison processor settings."""
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comparison_method = SelectField(
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'Comparison Method',
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choices=[
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('', 'Use global default'),
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('opencv', 'OpenCV (Fastest, simple pixel difference)'),
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('pixelmatch', 'Pixelmatch (Fast, anti-aliasing aware)')
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],
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validators=[validators.Optional()],
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default=''
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)
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comparison_threshold = SelectField(
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'Screenshot Comparison Sensitivity',
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choices=[
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('', 'Use global default'),
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('10', 'Very low sensitivity (only major changes)'),
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('20', 'Low sensitivity (significant changes)'),
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('30', 'Medium sensitivity (moderate changes)'),
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('50', 'High sensitivity (small changes)'),
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('75', 'Very high sensitivity (any visible change)')
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],
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validators=[validators.Optional()],
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default=''
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)
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def extra_tab_content(self):
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"""Tab label for processor-specific settings."""
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return 'Screenshot Comparison'
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def extra_form_content(self):
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"""Render processor-specific form fields."""
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return '''
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{% from '_helpers.html' import render_field %}
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<fieldset>
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<legend>Screenshot Comparison Settings</legend>
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<div class="pure-control-group">
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{{ render_field(form.comparison_method) }}
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<span class="pure-form-message-inline">
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<strong>OpenCV:</strong> 50-100x faster, uses simple pixel difference with Gaussian blur for noise reduction.<br>
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<strong>Pixelmatch:</strong> 10-20x faster, specifically designed for screenshots with anti-aliasing detection.<br>
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Both methods are dramatically faster than the old SSIM algorithm.
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</span>
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</div>
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<div class="pure-control-group">
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{{ render_field(form.comparison_threshold) }}
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<span class="pure-form-message-inline">
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Controls how sensitive the screenshot comparison is to visual changes.<br>
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<strong>OpenCV:</strong> Threshold for pixel difference (0-255). Lower = more sensitive.<br>
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<strong>Pixelmatch:</strong> Threshold for color distance (0-1 range, scaled from 0-100).<br>
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<strong>Higher sensitivity</strong> = detects smaller changes but may trigger on minor rendering differences.<br>
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Select "Use global default" to inherit the system-wide setting.
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</span>
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</div>
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</fieldset>
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'''
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