File indexing completed on 2024-05-12 15:59:38

 /*
  *  SPDX-FileCopyrightText: 2006-2007 Cyrille Berger <cberger@cberger.net>
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
 */
 
 #ifndef _KO_YCbCr_COLORSPACE_TRAITS_H_
 #define _KO_YCbCr_COLORSPACE_TRAITS_H_
 
 /** 
  * YCbCr traits, it provides some convenient functions to
  * access YCbCr  channels through an explicit API.
  */
 template<typename _channels_type_>
 struct KoYCbCrTraits : public KoColorSpaceTrait<_channels_type_, 4, 3> {
     
     typedef _channels_type_ channels_type;
     typedef KoColorSpaceTrait<_channels_type_, 4, 3> parent;
     
     static const qint32 Y_pos = 0;
     static const qint32 Cb_pos = 1;
     static const qint32 Cr_pos = 2;
     
     /**
      * An YCbCr pixel
      */
     struct Pixel {
         channels_type Y;
         channels_type Cb;
         channels_type Cr;
         channels_type alpha;
     };
 
     /// @return the Y component
     inline static channels_type Y(quint8* data) {
         channels_type* d = parent::nativeArray(data);
         return d[Y_pos];
     }
     /// Set the Y component
     inline static void setY(quint8* data, channels_type nv) {
         channels_type* d = parent::nativeArray(data);
         d[Y_pos] = nv;
     }
     /// @return the Cb component
     inline static channels_type Cb(quint8* data) {
         channels_type* d = parent::nativeArray(data);
         return d[Cb_pos];
     }
     /// Set the Cb component
     inline static void setCb(quint8* data, channels_type nv) {
         channels_type* d = parent::nativeArray(data);
         d[Cb_pos] = nv;
     }
     /// @return the Cr component
     inline static channels_type Cr(quint8* data) {
         channels_type* d = parent::nativeArray(data);
         return d[Cr_pos];
     }
     /// Set the Cr component
     inline static void setCr(quint8* data, channels_type nv) {
         channels_type* d = parent::nativeArray(data);
         d[Cr_pos] = nv;
     }
 };
 
 struct KoYCbCrU8Traits : public KoYCbCrTraits<quint8> {
 };
 
 struct KoYCbCrU16Traits : public KoYCbCrTraits<quint16> {
 };
 
 #include <KoConfig.h>
 #ifdef HAVE_OPENEXR
 #include <half.h>
 
 struct KoYCbCrF16Traits : public KoYCbCrTraits<half> {
 };
 
 #endif
 
 struct KoYCbCrF32Traits : public KoYCbCrTraits<float> {
 };
 
 struct KoYCbCrF64Traits : public KoYCbCrTraits<double> {
 };
 
 
 #endif