File indexing completed on 2024-05-12 04:42:51

 /*
     SPDX-FileCopyrightText: 2020 Volker Krause <vkrause@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #ifndef KPUBLICTRANSPORT_LINEMETADATA_P_H
 #define KPUBLICTRANSPORT_LINEMETADATA_P_H
 
 #include <cstdint>
 
 namespace KPublicTransport {
 
 #pragma pack(push)
 #pragma pack(1)
 
 /** Static color structure. */
 struct Color
 {
     explicit constexpr inline Color() = default;
     explicit constexpr inline Color(uint32_t rgb)
         : colorRed(rgb >> 16)
         , colorGreen(rgb >> 8)
         , colorBlue(rgb)
     {}
 
     enum : uint8_t { Invalid = 0x01 };
 
     uint8_t colorRed = Invalid;
     uint8_t colorGreen = Invalid;
     uint8_t colorBlue = Invalid;
 
     constexpr inline uint32_t argb() const
     {
         if (colorRed == Invalid && colorGreen == Invalid && colorRed == Invalid) {
             return 0;
         }
         return 0xff000000 | colorRed << 16 | colorGreen << 8 | colorBlue;
     }
 };
 
 /** Static informaytion about a public transport line as stored in .rodata. */
 struct LineMetaDataContent
 {
     enum Mode : uint16_t {
         Tramway,
         Subway,
         RapidTransit,
         LocalTrain,
         LongDistanceTrain,
     };
 
     constexpr inline LineMetaDataContent(uint16_t _nameIdx, uint16_t _logoIdx, uint16_t _prodLogoIdx, Mode _mode, Color _col)
         : nameIdx(_nameIdx)
         , mode(_mode)
         , logoIdx(_logoIdx)
         , productLogoIdx(_prodLogoIdx)
         , color(_col)
     {}
 
     uint16_t nameIdx : 13;
     Mode mode : 3;
     uint16_t logoIdx;
     uint16_t productLogoIdx;
 
     Color color;
 };
 
 /** Quad tree depth map entries. */
 struct LineMetaDataQuadTreeDepthIndex
 {
     uint8_t depth;
     uint16_t offset;
 };
 
 inline bool operator<(LineMetaDataQuadTreeDepthIndex lhs, uint8_t rhs)
 {
     return lhs.depth > rhs;
 }
 
 /** z-index to line meta data index mapping. */
 struct LineMetaDataZIndex
 {
     uint32_t z;
     uint16_t lineIdx;
 };
 
 static_assert(sizeof(LineMetaDataZIndex) == 6, "size of quad tree entry changed!");
 static_assert(sizeof(LineMetaDataZIndex) % alignof(LineMetaDataZIndex) == 0, "alignment of quad tree entry introduces padding");
 
 inline bool operator<(LineMetaDataZIndex lhs, uint32_t rhs)
 {
     return lhs.z < rhs;
 }
 
 #pragma pack(pop)
 
 }
 
 #endif // KPUBLICTRANSPORT_LINEMETADATA_P_H