1#include <base/system.h>
2
3#include <engine/image.h>
4
5CImageInfo::CImageInfo(CImageInfo &&Other)
6{
7 *this = std::move(Other);
8}
9
10CImageInfo &CImageInfo::operator=(CImageInfo &&Other)
11{
12 m_Width = Other.m_Width;
13 m_Height = Other.m_Height;
14 m_Format = Other.m_Format;
15 m_pData = Other.m_pData;
16 Other.m_Width = 0;
17 Other.m_Height = 0;
18 Other.m_Format = FORMAT_UNDEFINED;
19 Other.m_pData = nullptr;
20 return *this;
21}
22
23void CImageInfo::Free()
24{
25 m_Width = 0;
26 m_Height = 0;
27 m_Format = FORMAT_UNDEFINED;
28 free(ptr: m_pData);
29 m_pData = nullptr;
30}
31
32size_t CImageInfo::PixelSize(EImageFormat Format)
33{
34 dbg_assert(Format != FORMAT_UNDEFINED, "Format undefined");
35 static const size_t s_aSizes[] = {3, 4, 1, 2};
36 return s_aSizes[(int)Format];
37}
38
39const char *CImageInfo::FormatName(EImageFormat Format)
40{
41 static const char *s_apNames[] = {"UNDEFINED", "RGBA", "RGB", "R", "RA"};
42 return s_apNames[(int)Format + 1];
43}
44
45size_t CImageInfo::PixelSize() const
46{
47 return PixelSize(Format: m_Format);
48}
49
50const char *CImageInfo::FormatName() const
51{
52 return FormatName(Format: m_Format);
53}
54
55size_t CImageInfo::DataSize() const
56{
57 return m_Width * m_Height * PixelSize(Format: m_Format);
58}
59
60bool CImageInfo::DataEquals(const CImageInfo &Other) const
61{
62 if(m_Width != Other.m_Width || m_Height != Other.m_Height || m_Format != Other.m_Format)
63 return false;
64 if(m_pData == nullptr && Other.m_pData == nullptr)
65 return true;
66 if(m_pData == nullptr || Other.m_pData == nullptr)
67 return false;
68 return mem_comp(a: m_pData, b: Other.m_pData, size: DataSize()) == 0;
69}
70
71ColorRGBA CImageInfo::PixelColor(size_t x, size_t y) const
72{
73 const size_t PixelStartIndex = (x + m_Width * y) * PixelSize();
74
75 ColorRGBA Color;
76 if(m_Format == FORMAT_R)
77 {
78 Color.r = Color.g = Color.b = 1.0f;
79 Color.a = m_pData[PixelStartIndex] / 255.0f;
80 }
81 else if(m_Format == FORMAT_RA)
82 {
83 Color.r = Color.g = Color.b = m_pData[PixelStartIndex] / 255.0f;
84 Color.a = m_pData[PixelStartIndex + 1] / 255.0f;
85 }
86 else
87 {
88 Color.r = m_pData[PixelStartIndex + 0] / 255.0f;
89 Color.g = m_pData[PixelStartIndex + 1] / 255.0f;
90 Color.b = m_pData[PixelStartIndex + 2] / 255.0f;
91 if(m_Format == FORMAT_RGBA)
92 {
93 Color.a = m_pData[PixelStartIndex + 3] / 255.0f;
94 }
95 else
96 {
97 Color.a = 1.0f;
98 }
99 }
100 return Color;
101}
102
103void CImageInfo::SetPixelColor(size_t x, size_t y, ColorRGBA Color) const
104{
105 const size_t PixelStartIndex = (x + m_Width * y) * PixelSize();
106
107 if(m_Format == FORMAT_R)
108 {
109 m_pData[PixelStartIndex] = round_to_int(f: Color.a * 255.0f);
110 }
111 else if(m_Format == FORMAT_RA)
112 {
113 m_pData[PixelStartIndex] = round_to_int(f: (Color.r + Color.g + Color.b) / 3.0f * 255.0f);
114 m_pData[PixelStartIndex + 1] = round_to_int(f: Color.a * 255.0f);
115 }
116 else
117 {
118 m_pData[PixelStartIndex + 0] = round_to_int(f: Color.r * 255.0f);
119 m_pData[PixelStartIndex + 1] = round_to_int(f: Color.g * 255.0f);
120 m_pData[PixelStartIndex + 2] = round_to_int(f: Color.b * 255.0f);
121 if(m_Format == FORMAT_RGBA)
122 {
123 m_pData[PixelStartIndex + 3] = round_to_int(f: Color.a * 255.0f);
124 }
125 }
126}
127
128void CImageInfo::CopyRectFrom(const CImageInfo &SrcImage, size_t SrcX, size_t SrcY, size_t Width, size_t Height, size_t DestX, size_t DestY) const
129{
130 const size_t PixelSize = SrcImage.PixelSize();
131 const size_t CopySize = Width * PixelSize;
132 for(size_t Y = 0; Y < Height; ++Y)
133 {
134 const size_t SrcOffset = ((SrcY + Y) * SrcImage.m_Width + SrcX) * PixelSize;
135 const size_t DestOffset = ((DestY + Y) * m_Width + DestX) * PixelSize;
136 mem_copy(dest: &m_pData[DestOffset], source: &SrcImage.m_pData[SrcOffset], size: CopySize);
137 }
138}
139
140CImageInfo CImageInfo::DeepCopy() const
141{
142 const size_t Size = DataSize();
143
144 CImageInfo Copy;
145 Copy.m_Width = m_Width;
146 Copy.m_Height = m_Height;
147 Copy.m_Format = m_Format;
148 Copy.m_pData = static_cast<uint8_t *>(malloc(size: Size));
149 mem_copy(dest: Copy.m_pData, source: m_pData, size: Size);
150 return Copy;
151}
152