perf: Skip no-op image enhancements - #742
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ImageEnhance.enhance(1.0) still blends over the entire image, so the default settings ran four full-frame passes on every render. Skip any enhancement whose factor is 1.0. Output is identical since a factor of 1.0 returns the original pixels. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Pull request overview
Optimizes the image rendering pipeline by avoiding expensive, no-op PIL enhancement passes when enhancement factors are left at their defaults, reducing per-render work on constrained devices.
Changes:
- Replaces four unconditional
ImageEnhance.*.enhance(...)calls with a loop over configured enhancements. - Skips any enhancement whose factor is
1.0to avoid full-frame blend passes with no pixel change.
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ImageEnhance.enhance(1.0) still blends over the entire image, so the default settings ran four full-frame passes on every render. Skip any enhancement whose factor is 1.0. Output is identical since a factor of 1.0 returns the original pixels.