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Disable brightness and gamma corrections in JPG converter.

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They are no longer needed with updated quantization.
This commit is contained in:
Jonas Diemer 2026-01-09 16:47:51 +01:00
parent 6ac920854a
commit 54e5388e76
1 changed files with 2 additions and 2 deletions
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4
lib/JpegToBmpConverter/JpegToBmpConverter.cpp
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@ -24,9 +24,9 @@ constexpr bool USE_ATKINSON = true; // Atkinson dithering (cleaner than
constexpr bool USE_FLOYD_STEINBERG = false; // Floyd-Steinberg error diffusion (can cause "worm" artifacts) constexpr bool USE_FLOYD_STEINBERG = false; // Floyd-Steinberg error diffusion (can cause "worm" artifacts)
constexpr bool USE_NOISE_DITHERING = false; // Hash-based noise dithering (good for downsampling) constexpr bool USE_NOISE_DITHERING = false; // Hash-based noise dithering (good for downsampling)
// Brightness/Contrast adjustments: // Brightness/Contrast adjustments:
constexpr bool USE_BRIGHTNESS = true; // true: apply brightness/gamma adjustments constexpr bool USE_BRIGHTNESS = false; // true: apply brightness/gamma adjustments
constexpr int BRIGHTNESS_BOOST = 10; // Brightness offset (0-50) constexpr int BRIGHTNESS_BOOST = 10; // Brightness offset (0-50)
constexpr bool GAMMA_CORRECTION = true; // Gamma curve (brightens midtones) constexpr bool GAMMA_CORRECTION = false; // Gamma curve (brightens midtones)
constexpr float CONTRAST_FACTOR = 1.15f; // Contrast multiplier (1.0 = no change, >1 = more contrast) constexpr float CONTRAST_FACTOR = 1.15f; // Contrast multiplier (1.0 = no change, >1 = more contrast)
// Pre-resize to target display size (CRITICAL: avoids dithering artifacts from post-downsampling) // Pre-resize to target display size (CRITICAL: avoids dithering artifacts from post-downsampling)
constexpr bool USE_PRESCALE = true; // true: scale image to target size before dithering constexpr bool USE_PRESCALE = true; // true: scale image to target size before dithering