Coverage Report

Created: 2025-07-16 07:53

/src/libjxl/lib/jxl/dct_util.h
Line
Count
Source (jump to first uncovered line)
1
// Copyright (c) the JPEG XL Project Authors. All rights reserved.
2
//
3
// Use of this source code is governed by a BSD-style
4
// license that can be found in the LICENSE file.
5
6
#ifndef LIB_JXL_DCT_UTIL_H_
7
#define LIB_JXL_DCT_UTIL_H_
8
9
#include <jxl/memory_manager.h>
10
11
#include <cstddef>
12
#include <cstdint>
13
#include <memory>
14
#include <type_traits>
15
16
#include "lib/jxl/base/common.h"
17
#include "lib/jxl/base/status.h"
18
#include "lib/jxl/image.h"
19
#include "lib/jxl/image_ops.h"
20
21
namespace jxl {
22
23
union ACPtr {
24
  int32_t* ptr32;
25
  int16_t* ptr16;
26
  ACPtr() = default;
27
0
  explicit ACPtr(int16_t* p) : ptr16(p) {}
28
0
  explicit ACPtr(int32_t* p) : ptr32(p) {}
29
};
30
31
union ConstACPtr {
32
  const int32_t* ptr32;
33
  const int16_t* ptr16;
34
  ConstACPtr() = default;
35
0
  explicit ConstACPtr(const int16_t* p) : ptr16(p) {}
36
0
  explicit ConstACPtr(const int32_t* p) : ptr32(p) {}
37
};
38
39
enum class ACType { k16 = 0, k32 = 1 };
40
41
class ACImage {
42
 public:
43
8.63k
  virtual ~ACImage() = default;
44
  virtual ACType Type() const = 0;
45
  virtual ACPtr PlaneRow(size_t c, size_t y, size_t xbase) = 0;
46
  virtual ConstACPtr PlaneRow(size_t c, size_t y, size_t xbase) const = 0;
47
  virtual size_t PixelsPerRow() const = 0;
48
  virtual void ZeroFill() = 0;
49
  virtual void ZeroFillPlane(size_t c) = 0;
50
  virtual bool IsEmpty() const = 0;
51
};
52
53
template <typename T>
54
class ACImageT final : public ACImage {
55
 public:
56
8.63k
  ACImageT() = default;
jxl::ACImageT<int>::ACImageT()
Line
Count
Source
56
3.26k
  ACImageT() = default;
jxl::ACImageT<short>::ACImageT()
Line
Count
Source
56
5.37k
  ACImageT() = default;
57
58
  static StatusOr<std::unique_ptr<ACImageT>> Make(
59
6.05k
      JxlMemoryManager* memory_manager, size_t xsize, size_t ysize) {
60
6.05k
    static_assert(
61
6.05k
        std::is_same<T, int16_t>::value || std::is_same<T, int32_t>::value,
62
6.05k
        "ACImage must be either 32- or 16- bit");
63
6.05k
    std::unique_ptr<ACImageT> result = jxl::make_unique<ACImageT>();
64
6.05k
    JXL_ASSIGN_OR_RETURN(result->img_,
65
6.05k
                         Image3<T>::Create(memory_manager, xsize, ysize));
66
6.05k
    return result;
67
6.05k
  }
jxl::ACImageT<int>::Make(JxlMemoryManagerStruct*, unsigned long, unsigned long)
Line
Count
Source
59
681
      JxlMemoryManager* memory_manager, size_t xsize, size_t ysize) {
60
681
    static_assert(
61
681
        std::is_same<T, int16_t>::value || std::is_same<T, int32_t>::value,
62
681
        "ACImage must be either 32- or 16- bit");
63
681
    std::unique_ptr<ACImageT> result = jxl::make_unique<ACImageT>();
64
681
    JXL_ASSIGN_OR_RETURN(result->img_,
65
681
                         Image3<T>::Create(memory_manager, xsize, ysize));
66
681
    return result;
67
681
  }
jxl::ACImageT<short>::Make(JxlMemoryManagerStruct*, unsigned long, unsigned long)
Line
Count
Source
59
5.37k
      JxlMemoryManager* memory_manager, size_t xsize, size_t ysize) {
60
5.37k
    static_assert(
61
5.37k
        std::is_same<T, int16_t>::value || std::is_same<T, int32_t>::value,
62
5.37k
        "ACImage must be either 32- or 16- bit");
63
5.37k
    std::unique_ptr<ACImageT> result = jxl::make_unique<ACImageT>();
64
5.37k
    JXL_ASSIGN_OR_RETURN(result->img_,
65
5.37k
                         Image3<T>::Create(memory_manager, xsize, ysize));
66
5.37k
    return result;
67
5.37k
  }
68
69
6.05k
  ACType Type() const override {
70
6.05k
    return sizeof(T) == 2 ? ACType::k16 : ACType::k32;
71
6.05k
  }
jxl::ACImageT<int>::Type() const
Line
Count
Source
69
681
  ACType Type() const override {
70
681
    return sizeof(T) == 2 ? ACType::k16 : ACType::k32;
71
681
  }
jxl::ACImageT<short>::Type() const
Line
Count
Source
69
5.37k
  ACType Type() const override {
70
5.37k
    return sizeof(T) == 2 ? ACType::k16 : ACType::k32;
71
5.37k
  }
72
0
  ACPtr PlaneRow(size_t c, size_t y, size_t xbase) override {
73
0
    return ACPtr(img_.PlaneRow(c, y) + xbase);
74
0
  }
Unexecuted instantiation: jxl::ACImageT<int>::PlaneRow(unsigned long, unsigned long, unsigned long)
Unexecuted instantiation: jxl::ACImageT<short>::PlaneRow(unsigned long, unsigned long, unsigned long)
75
0
  ConstACPtr PlaneRow(size_t c, size_t y, size_t xbase) const override {
76
0
    return ConstACPtr(img_.PlaneRow(c, y) + xbase);
77
0
  }
Unexecuted instantiation: jxl::ACImageT<int>::PlaneRow(unsigned long, unsigned long, unsigned long) const
Unexecuted instantiation: jxl::ACImageT<short>::PlaneRow(unsigned long, unsigned long, unsigned long) const
78
79
0
  size_t PixelsPerRow() const override { return img_.PixelsPerRow(); }
Unexecuted instantiation: jxl::ACImageT<int>::PixelsPerRow() const
Unexecuted instantiation: jxl::ACImageT<short>::PixelsPerRow() const
80
81
0
  void ZeroFill() override { ZeroFillImage(&img_); }
Unexecuted instantiation: jxl::ACImageT<int>::ZeroFill()
Unexecuted instantiation: jxl::ACImageT<short>::ZeroFill()
82
83
0
  void ZeroFillPlane(size_t c) override { ZeroFillImage(&img_.Plane(c)); }
Unexecuted instantiation: jxl::ACImageT<int>::ZeroFillPlane(unsigned long)
Unexecuted instantiation: jxl::ACImageT<short>::ZeroFillPlane(unsigned long)
84
85
6.05k
  bool IsEmpty() const override {
86
6.05k
    return img_.xsize() == 0 || img_.ysize() == 0;
87
6.05k
  }
jxl::ACImageT<int>::IsEmpty() const
Line
Count
Source
85
681
  bool IsEmpty() const override {
86
681
    return img_.xsize() == 0 || img_.ysize() == 0;
87
681
  }
jxl::ACImageT<short>::IsEmpty() const
Line
Count
Source
85
5.37k
  bool IsEmpty() const override {
86
5.37k
    return img_.xsize() == 0 || img_.ysize() == 0;
87
5.37k
  }
88
89
 private:
90
  Image3<T> img_;
91
};
92
93
}  // namespace jxl
94
95
#endif  // LIB_JXL_DCT_UTIL_H_