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Add CICP and HDR support #4818

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Add CICP and HDR support #4818

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6 changes: 6 additions & 0 deletions .gitignore
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Expand Up @@ -11,6 +11,7 @@
build/
debug/
release/
.cache/

# Executables
*.out
Expand Down Expand Up @@ -43,6 +44,11 @@ tags
TAGS
### End of VIM

### macOS
# Temporary files
.DS_Store
### End of macOS

### Distribution
vips-*.tar.gz
### End of Distribution
8 changes: 8 additions & 0 deletions cplusplus/include/vips/VImage8.h
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Expand Up @@ -6285,6 +6285,14 @@ class VImage : public VObject {
*/
VImage transpose3d(VOption *options = nullptr) const;

/**
* Convert CICP to scRGB.
*
* @param options Set of options.
* @return Output image.
*/
VImage CICP2scRGB(VOption *options = nullptr) const;

/**
* Transform uhdr to scrgb.
* @param options Set of options.
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12 changes: 12 additions & 0 deletions cplusplus/vips-operators.cpp
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Expand Up @@ -3807,6 +3807,18 @@ VImage::transpose3d(VOption *options) const
return out;
}

VImage
VImage::CICP2scRGB(VOption *options) const
{
VImage out;

call("CICP2scRGB", (options ? options : VImage::option())
->set("in", *this)
->set("out", &out));

return out;
}

VImage
VImage::uhdr2scRGB(VOption *options) const
{
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1 change: 1 addition & 0 deletions doc/function-list.md
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Expand Up @@ -86,6 +86,7 @@ API docs each function links to for more details.
| `canny` | Canny edge detector | [[email protected]] |
| `case` | Use pixel values to pick cases from an array of images | [[email protected]] |
| `cast` | Cast an image | [[email protected]], [[email protected]_uchar], [[email protected]_char], [[email protected]_ushort], [[email protected]_short], [[email protected]_uint], [[email protected]_int], [[email protected]_float], [[email protected]_double], [[email protected]_complex], [[email protected]_dpcomplex] |
| `CICP2scRGB` | Transform image with CICP signals to scRGB | [[email protected]] |
| `clamp` | Clamp values of an image | [[email protected]] |
| `colourspace` | Convert to a new colorspace | [[email protected]] |
| `compass` | Convolve with rotating mask | [[email protected]] |
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3 changes: 3 additions & 0 deletions doc/libvips-colour.md
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Expand Up @@ -34,6 +34,8 @@ slightly different format:
Use [[email protected]] to move an image to a target colourspace
using the best sequence of colour transform operations.

Use [[email protected]2scRGB] to convert an image with CICP signals to scRGB.

Use [[email protected]2scRGB] to convert an SDR image with an attached gainmap
to a full HDR scRGB image.

Expand Down Expand Up @@ -133,6 +135,7 @@ The colour spaces supported by libvips are:
* [[email protected]2XYZ]
* [[email protected]2CMYK]
* [[email protected]2scRGB]
* [[email protected]2scRGB]
* [[email protected]_load]
* [func@icc_present]
* [[email protected]_transform]
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