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raw: change the use of the quality parameter

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- Standardized the quality parameter between 0-100
- The value -1 is the default value of Qt plugins and is managed
- Negative values other than -1 are used as flags to activate the custom mode
This commit is contained in:
Mirco Miranda
2023-05-17 17:45:23 +00:00
committed by Christoph Cullmann
parent d57ff91f8b
commit 93adb22632
2 changed files with 57 additions and 63 deletions
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38
src/imageformats/raw_p.h
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@ -40,30 +40,13 @@ private:
* Change the quality of the conversion. If -1, default quality is used.
* @note Verify that the quality change support has been compiled with supportsOption()
*
* When the quality value is negative (but not -1), we assume we want to work with flags according to the following scheme:
* 3 2 1 0
* 1 0 9 8 7 6 5 4 3 2 1 0 9 87 6 5 4 3 2 1098 7654 3210
* _ _ _ _ _ _ _ _ _ _ _ S F NN E H B A W CCCC IIII PPPP
* 1 _ _ _ _ _ _ _ _ _ _ S F NN E H B A W CCCC IIII ____
*
* Where:
*
* _: reserved
* P: preset values: *** if set, other flags are ignored! ***
* - 0: Use other flags (no preset)
* - 1: I = 0, C = 1, B = 0, W = 1, A = 1, H = 1 (Linear, sRGB, 8-bits, Camera White, Auto White, Half-size)
* - 2: I = 0, C = 1, B = 0, W = 1, A = 1, H = 0 (Linear, sRGB, 8-bits, Camera White, Auto White)
* - 3: I = 3, C = 1, B = 0, W = 1, A = 1, H = 0 (AHD, sRGB, 8-bits, Camera White, Auto White)
* - 4: I = 3, C = 1, B = 1, W = 1, A = 1, H = 0 (AHD, sRGB, 16-bits, Camera White, Auto White)
* - 5: I = 3, C = 2, B = 1, W = 1, A = 1, H = 0 (AHD, Adobe, 16-bits, Camera White, Auto White)
* - 6: I = 3, C = 4, B = 1, W = 1, A = 1, H = 0 (AHD, ProPhoto, 16-bits, Camera White, Auto White)
* - 7: I = 11, C = 1, B = 0, W = 1, A = 1, H = 0 (DHT, sRGB, 8-bits, Camera White, Auto White)
* - 8: I = 11, C = 1, B = 1, W = 1, A = 1, H = 0 (DHT, sRGB, 16-bits, Camera White, Auto White)
* - 9: I = 11, C = 2, B = 1, W = 1, A = 1, H = 0 (DHT, Adobe, 16-bits, Camera White, Auto White)
* - 10: I = 11, C = 4, B = 1, W = 1, A = 1, H = 0 (DHT, ProPhoto, 16-bits, Camera White, Auto White)
* - 11: reserved
* - 12: reserved
* - 13: reserved
* - 14: reserved
* - 15: reserved
* _: reserved (should be zero)
* I: interpolation quality (0 - linear, 1 - VNG, 2 - PPG, 3 - AHD, 4 - DCB, 11 - DHT, 12 - AAHD)
* C: output colorspace (0 - raw, 1 - sRGB, 2 - Adobe, 3 - Wide, 4 - ProPhoto, 5 - XYZ, 6 - ACES, 7 - DCI-P3, 8 - Rec2020)
* W: use camera white balace (0 - off, 1 - on)
@ -74,8 +57,21 @@ private:
* N: FBDD noise reduction (0 - off, 1 - light, 2 - full)
* F: Interpolate RGGB as four colors (0 - off, 1 - on)
* S: Don't stretch or rotate raw pixels (0 - rotate and stretch, 1 - don't rotate and stretch)
*
* @note It is safe to set both W and A: W is used if camera white balance is found, otherwise A is used.
*
* When quality is a positive value, a value between 0 and 100 is expected. The values are interpreted as follows:
* - 00-09: I = 0, C = 1, B = 0, W = 1, A = 1, H = 1 (Linear, sRGB, 8-bits, Camera White, Auto White, Half-size)
* - 10-19: I = 0, C = 1, B = 0, W = 1, A = 1, H = 0 (Linear, sRGB, 8-bits, Camera White, Auto White)
* - 20-29: I = 3, C = 1, B = 0, W = 1, A = 1, H = 0 (AHD, sRGB, 8-bits, Camera White, Auto White)
* - 30-39: I = 3, C = 1, B = 1, W = 1, A = 1, H = 0 (AHD, sRGB, 16-bits, Camera White, Auto White) [Default]
* - 40-49: I = 3, C = 2, B = 1, W = 1, A = 1, H = 0 (AHD, Adobe, 16-bits, Camera White, Auto White)
* - 50-59: I = 3, C = 4, B = 1, W = 1, A = 1, H = 0 (AHD, ProPhoto, 16-bits, Camera White, Auto White)
* - 60-69: I = 11, C = 1, B = 0, W = 1, A = 1, H = 0 (DHT, sRGB, 8-bits, Camera White, Auto White)
* - 70-79: I = 11, C = 1, B = 1, W = 1, A = 1, H = 0 (DHT, sRGB, 16-bits, Camera White, Auto White)
* - 80-89: I = 11, C = 2, B = 1, W = 1, A = 1, H = 0 (DHT, Adobe, 16-bits, Camera White, Auto White)
* - >= 90: I = 11, C = 4, B = 1, W = 1, A = 1, H = 0 (DHT, ProPhoto, 16-bits, Camera White, Auto White)
*
* When the quality is -1, default quality is used.
*/
qint32 m_quality;
};