Mercurial > hg > dmlib
annotate src/dmlib.h @ 955:6b2f41844580
Cosmetic cleanups.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Fri, 27 Feb 2015 01:03:18 +0200 |
| parents | 7d1696edf244 |
| children | d4e411192238 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * DMLib | |
| 3 * -- Main header file | |
| 4 * Programmed and designed by Matti 'ccr' Hamalainen | |
| 863 | 5 * (C) Copyright 2011-2015 Tecnic Software productions (TNSP) |
| 0 | 6 */ |
| 7 #ifndef DMLIB_H | |
| 8 #define DMLIB_H | |
| 9 | |
|
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10 #include <SDL_config.h> |
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11 #include <SDL_endian.h> |
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12 #include <SDL_types.h> |
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13 #include <SDL_mutex.h> |
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14 #include <SDL_thread.h> |
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15 #include <SDL_video.h> |
| 0 | 16 #include <stdarg.h> |
| 17 | |
| 18 #ifdef DM_USE_ASSERTS | |
| 770 | 19 # include <assert.h> |
| 0 | 20 #else |
| 770 | 21 # define assert(NEXPR) // stub |
| 0 | 22 #endif |
| 23 | |
| 24 #ifdef __cplusplus | |
| 25 extern "C" { | |
| 26 #endif | |
| 27 | |
| 28 // Defaults | |
| 913 | 29 #define DM_PROG_AUTHOR "By Matti 'ccr' Hamalainen (C) Copyright 2015 TNSP" |
| 341 | 30 #define DM_PROG_LICENSE "Et all, see README / COPYING for more information." |
| 0 | 31 |
| 32 /* Error codes | |
| 33 */ | |
| 34 enum { | |
| 770 | 35 // General error codes |
| 36 DMERR_OK = 0, | |
| 37 DMERR_PROGRESS, // Status OK, but operation in progress | |
|
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38 |
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39 DMERR_INTERNAL, |
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40 |
| 770 | 41 DMERR_FOPEN, |
| 42 DMERR_FREAD, | |
| 43 DMERR_FWRITE, | |
| 44 DMERR_FSEEK, | |
| 45 DMERR_NOT_FOUND, // Resource/data not found | |
| 0 | 46 |
| 770 | 47 DMERR_INVALID_DATA, // Some data was invalid |
| 48 DMERR_MALLOC, // Memory allocation failure | |
| 49 DMERR_ALREADY_INIT, // Resource has already been initialized | |
| 50 DMERR_INIT_FAIL, // General initialization failure | |
| 51 DMERR_INVALID_ARGS, | |
| 0 | 52 |
| 770 | 53 DMERR_NULLPTR, // NULL pointer specified in critical argument |
| 54 DMERR_NOT_SUPPORTED,// Operation not supported | |
| 55 DMERR_OUT_OF_DATA, | |
| 56 DMERR_EXTRA_DATA, | |
| 57 DMERR_BOUNDS, | |
|
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58 |
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59 DMERR_DATA_ERROR, // Data decoding/encoding/parsing error |
| 0 | 60 |
| 770 | 61 // PACK-file subsystem |
| 62 DMERR_NOTPACK, | |
| 63 DMERR_VERSION, | |
| 64 DMERR_INVALID, | |
| 65 DMERR_COMPRESSION, | |
| 0 | 66 }; |
| 67 | |
| 955 | 68 |
| 813 | 69 // Directory/path separator stuff |
| 70 #define DM_DIR_SEPARATOR '/' | |
| 71 | |
| 0 | 72 |
| 73 // Resource management defines | |
| 74 #define DMRES_NAME_LEN 32 | |
| 75 #define DMRES_DATA_PACK "data.pak" // Name of the data-file | |
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76 #define DMRES_DATA_PATH "data/" // Sub-directory path |
| 0 | 77 #define DMRES_RES_FILE "res.txt" // Resource data file |
| 78 | |
| 79 | |
| 80 /* Define a boolean type | |
| 81 */ | |
| 82 #if !defined(FALSE) && !defined(TRUE) && !defined(BOOL) | |
| 83 typedef enum { FALSE = 0, TRUE = 1 } BOOL; | |
| 84 #endif | |
| 85 | |
| 86 #ifndef BOOL | |
| 770 | 87 # ifdef bool |
| 88 # define BOOL bool | |
| 89 # else | |
| 90 # define BOOL int | |
| 91 # endif | |
| 0 | 92 #endif |
| 93 | |
| 94 | |
|
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95 /* Math constants |
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96 */ |
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97 #define DM_PI 3.14159265358f |
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98 #define DM_PI2 6.28318530718f |
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99 #define DM_E 2.71828182846f |
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100 |
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101 |
| 0 | 102 /* Fixed point math type |
| 103 */ | |
| 104 typedef union | |
| 105 { | |
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106 Sint64 dw; |
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107 Sint32 w[2]; |
| 0 | 108 } DMFixedPoint; |
| 109 | |
| 110 | |
| 111 typedef union | |
| 112 { | |
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113 Sint32 dw; |
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114 Sint16 w[2]; |
| 0 | 115 } DMFixedPoint32; |
| 116 | |
| 117 | |
| 118 /* Macros for fixed point math | |
| 119 */ | |
| 120 #if __GNUC__ >= 3 | |
| 121 # define FP_SET(a, k) a.dw = k ## ULL | |
| 122 #else | |
| 123 # define FP_SET(a, k) a.dw = k | |
| 124 #endif | |
| 125 | |
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126 #define FP_CONV(a, k) a.dw = (k) |
| 0 | 127 |
| 128 #ifndef SDL_BYTEORDER | |
| 129 # error Undefined byteorder! | |
| 130 #endif | |
| 131 | |
| 132 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
| 133 # define FP_SETH(a, k) a.w[0] = (k) | |
| 134 # define FP_SETL(a, k) a.w[1] = (k) | |
| 135 # define FP_SETHL(a, h, l) { a.w[0] = (h); a.w[1] = (l); } | |
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136 # define FP_GETH32(a) a.w[0] |
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137 # define FP_GETL32(a) a.w[1] |
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138 # define FP_GETH16(a) a.w[0] |
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139 # define FP_GETL16(a) a.w[1] |
| 0 | 140 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) |
| 141 # define FP_SETH(a, k) a.w[1] = (k) | |
| 142 # define FP_SETL(a, k) a.w[0] = (k) | |
| 143 # define FP_SETHL(a, h, l) { a.w[1] = (h); a.w[0] = (l); } | |
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144 # define FP_GETH32(a) a.w[1] |
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145 # define FP_GETL32(a) a.w[0] |
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146 # define FP_GETH16(a) a.w[1] |
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147 # define FP_GETL16(a) a.w[0] |
| 0 | 148 #else |
| 149 # error Unsupported byte order! | |
| 150 #endif | |
| 151 | |
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152 #define FP_PRINTF64(a) printf("%.8x:%.8x", FP_GETH32(a), FP_GETL32(a)) |
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153 #define FP_PRINTF32(a) printf("%.4x:%.4x", FP_GETH16(a), FP_GETL16(a)) |
| 0 | 154 |
| 155 #define FP_ADD(a, b) a.dw += b.dw | |
| 156 #define FP_SUB(a, b) a.dw -= b.dw | |
| 157 #define FP_ADD_R(r, a, b) r.dw = a.dw + b.dw | |
| 158 #define FP_SUB_R(r, a, b) r.dw = a.dw - b.dw | |
| 159 #define FP_DIV(a, b) a.dw /= b.dw | |
| 160 #define FP_MUL(a, b) a.dw *= b.dw | |
| 161 #define FP_DIV_R(r, a, b) r.dw = (a.dw / b.dw) | |
| 162 #define FP_MUL_R(r, a, b) r.dw = (a.dw * b.dw) | |
| 163 | |
| 164 | |
| 165 /* Miscellaneous types | |
| 166 */ | |
| 167 typedef struct | |
| 168 { | |
| 169 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
| 170 Uint8 a,g,b,r; | |
| 171 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) | |
| 172 Uint8 r,g,b,a; | |
| 173 #endif | |
| 174 } DMRGBA32; | |
| 175 | |
| 176 | |
| 177 typedef float DMFloat; | |
| 178 | |
| 179 | |
|
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180 // Macro for swapping two lvalues of same type |
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181 #define DM_SWAP(T, A, B) { if ((B) < (A)) { T swtmp = (B); B = (A); A = swtmp; } } |
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182 |
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183 |
| 0 | 184 /* Drawing modes used by blitting and some other functions. |
| 185 */ | |
| 186 enum | |
| 187 { | |
| 188 DMD_NONE = 0x0000, | |
| 189 DMD_TRANSPARENT = 0x0001, | |
| 190 DMD_SATURATE = 0x0002, | |
| 191 | |
| 192 DMD_ANTIALIAS = 0x0004, | |
| 193 | |
| 194 DMD_NMODES = 6 | |
| 195 }; | |
| 196 | |
| 197 | |
| 198 // Available bitdepths. Not all functions may support every one of these. | |
| 199 enum | |
| 200 { | |
| 201 DMD_8BIT = 0, | |
| 202 DMD_32BIT, | |
| 203 | |
| 204 DMD_NBITDEPTHS | |
| 205 }; | |
| 206 | |
| 207 | |
| 208 static inline int dmBitsPerPixel2Index(int bpp) | |
| 209 { | |
| 210 return (bpp == 8 ? 0 : (bpp == 32 ? 1 : -1)); | |
| 211 } | |
| 212 | |
| 213 | |
| 214 /* Generic parameter interpolation | |
| 215 */ | |
| 216 #define DMM_S_CURVE(t) ((t) * (t) * (3.0f - 2.0f * (t))) | |
| 217 #define DMM_LERP(t, a, b) ((a) + (t) * ((b) - (a))) | |
| 218 | |
| 219 typedef struct | |
| 220 { | |
| 221 DMFloat start, end, nsteps; | |
| 222 } DMLerpContext; | |
| 223 | |
| 224 | |
| 225 void dmLerpInit(DMLerpContext *ctx, DMFloat start, DMFloat end, DMFloat nsteps); | |
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226 DMFloat dmCatmullRom(const DMFloat t, const DMFloat p0, const DMFloat p1, const DMFloat p2, const DMFloat p3); |
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227 |
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228 |
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229 static inline DMFloat dmClamp10(const DMFloat a) |
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230 { |
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231 return (a < 0.0f ? 0.0f : (a > 1.0f ? 1.0f : a)); |
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232 } |
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233 |
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234 |
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235 static inline int dmClamp(const int v, const int min, const int max) |
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236 { |
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237 return (v < min ? min : (v > max ? max : v)); |
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238 } |
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239 |
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240 |
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241 static inline DMFloat dmLerpSCurve(DMLerpContext *ctx, const DMFloat step) |
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242 { |
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243 const DMFloat n = step / ctx->nsteps; |
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244 const DMFloat v = DMM_S_CURVE(n); |
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245 return DMM_LERP(v, ctx->start, ctx->end); |
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246 } |
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247 |
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248 |
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249 static inline DMFloat dmLerpSCurveClamp(DMLerpContext *ctx, const DMFloat step) |
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250 { |
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251 const DMFloat n = dmClamp10(step / ctx->nsteps); |
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252 const DMFloat v = DMM_S_CURVE(n); |
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253 return DMM_LERP(v, ctx->start, ctx->end); |
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254 } |
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255 |
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256 |
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257 static inline DMFloat dmLerp1(DMLerpContext *ctx, const DMFloat step) |
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258 { |
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259 const DMFloat v = step / ctx->nsteps; |
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260 return DMM_LERP(v, ctx->start, ctx->end); |
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261 } |
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262 |
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263 |
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264 static inline DMFloat dmLerp1Clamp(DMLerpContext *ctx, const DMFloat step) |
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265 { |
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266 const DMFloat v = dmClamp10(step / ctx->nsteps); |
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267 return DMM_LERP(v, ctx->start, ctx->end); |
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268 } |
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269 |
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270 |
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271 static inline DMFloat dmCatmullRomClamp(const DMFloat t, const DMFloat p0, const DMFloat p1, const DMFloat p2, const DMFloat p3) |
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272 { |
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273 return dmCatmullRom(dmClamp10(t), p0, p1, p2, p3); |
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274 } |
| 0 | 275 |
| 276 | |
| 277 /* Arbitrary line drawing | |
| 278 */ | |
| 279 #ifdef DM_GFX_LINES | |
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280 #define DM_HEADER |
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281 #include "dmlinefunc.h" |
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282 |
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262
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283 enum |
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284 { |
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285 CLIP_TOP = 1, |
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286 CLIP_BOTTOM = 2, |
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287 CLIP_RIGHT = 4, |
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288 CLIP_LEFT = 8 |
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289 }; |
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290 |
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291 #define DM_CLIP_FUNC dmClipLineCoordsFloat |
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292 #define DM_COORD_TYPE DMFloat |
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293 #include "dmlineclip.h" |
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294 |
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295 #undef DM_HEADER |
| 0 | 296 #endif |
| 297 | |
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298 |
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299 /* Various blitting functions |
| 0 | 300 */ |
| 301 #ifdef DM_GFX_BLITS | |
| 302 typedef int (*DMScaledBlitFunc)(SDL_Surface *src, const int x0, const int y0, const int dwidth, const int dheight, SDL_Surface *dst); | |
| 303 DMScaledBlitFunc dmGetScaledBlitFunc(SDL_PixelFormat *src, SDL_PixelFormat *dst, int mode); | |
| 304 int dmScaledBlitSurfaceAny(SDL_Surface *src, const int x0, const int y0, const int dwidth, const int dheight, SDL_Surface *dst, int mode); | |
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305 |
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306 typedef int (*DMUnscaledBlitFunc)(SDL_Surface *src, const int x0, const int y0, SDL_Surface *dst); |
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307 DMUnscaledBlitFunc dmGetUnscaledBlitFunc(SDL_PixelFormat *src, SDL_PixelFormat *dst, int mode); |
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308 int dmUnscaledBlitSurfaceAny(SDL_Surface *src, const int x0, const int y0, SDL_Surface *dst, int mode); |
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309 |
|
610
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310 SDL_Surface *dmConvertScaledSurface(SDL_Surface *src, SDL_PixelFormat *fmt, Uint32 flags, const int dwidth, const int dheight); |
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311 |
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312 |
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313 #define DM_HEADER |
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314 #include "dmblitfunc.h" |
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315 #undef DM_HEADER |
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316 |
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317 #endif // DM_GFX_BLITS |
| 0 | 318 |
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319 |
| 0 | 320 /* Misc functions |
| 321 */ | |
| 322 #ifdef DM_GFX_MISC | |
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323 |
| 0 | 324 void dmFillRect(SDL_Surface *screen, int x0, int y0, int x1, int y1, const Uint32 col); |
| 325 void dmDrawHLine(SDL_Surface *screen, int x0, int x1, int yc, const Uint32 col); | |
| 326 void dmDrawVLine(SDL_Surface *screen, int y0, int y1, int xc, const Uint32 col); | |
|
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327 |
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328 void dmDrawBox3D(SDL_Surface *screen, int x0, int y0, int x1, int y1, Uint32 ucol, Uint32 dcol); |
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329 void dmFillBox3D(SDL_Surface *screen, int x0, int y0, int x1, int y1, Uint32 bgcol, Uint32 ucol, Uint32 dcol); |
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330 |
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331 #endif // DM_GFX_MISC |
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332 |
|
90
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333 |
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334 static inline void dmClearSurface(SDL_Surface *screen, const Uint32 col) |
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335 { |
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336 SDL_FillRect(screen, NULL, col); |
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337 } |
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338 |
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339 |
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340 static inline Uint32 dmMapRGB(SDL_Surface *screen, int r, int g, int b) |
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341 { |
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342 return SDL_MapRGB(screen->format, r, g, b); |
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343 } |
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344 |
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345 |
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346 static inline Uint32 dmMapRGBA(SDL_Surface *screen, int r, int g, int b, int a) |
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347 { |
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348 return SDL_MapRGBA(screen->format, r, g, b, a); |
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349 } |
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350 |
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351 |
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352 static inline int dmDirectBlitSurface(SDL_Surface *bmp, SDL_Surface *screen) |
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353 { |
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354 return SDL_BlitSurface(bmp, NULL, screen, NULL); |
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355 } |
| 0 | 356 |
| 357 | |
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358 static inline SDL_Surface *dmCopySurface(SDL_Surface *src) |
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359 { |
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360 if (src != NULL) |
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361 return SDL_ConvertSurface(src, src->format, src->flags); |
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362 else |
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363 return NULL; |
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364 } |
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365 |
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366 |
| 0 | 367 /* Global variables |
| 368 */ | |
| 369 extern char *dmProgName, | |
| 370 *dmProgDesc, | |
| 371 *dmProgVersion, | |
| 372 *dmProgAuthor, | |
| 373 *dmProgLicense; | |
| 374 | |
| 375 extern int dmVerbosity; | |
| 376 void dmInitProg(char *name, char *desc, char *version, char *author, char *license); | |
| 377 void dmPrintBanner(FILE *outFile, const char *name, const char *usage); | |
| 378 | |
| 379 void dmMsgVA(int level, const char *fmt, va_list ap); | |
| 380 void dmMsg(int level, const char *fmt, ...); | |
| 381 void dmPrintVA(int level, const char *fmt, va_list ap); | |
| 382 void dmPrint(int level, const char *fmt, ...); | |
| 383 void dmErrorVA(const char *fmt, va_list); | |
| 384 void dmError(const char *fmt, ...); | |
| 385 | |
| 955 | 386 int dmGetErrno(); |
| 387 const char *dmErrorStr(const int error); | |
| 388 | |
| 0 | 389 void * dmMalloc(size_t); |
| 390 void * dmMalloc0(size_t); | |
| 391 void * dmRealloc(void *, size_t); | |
| 392 void * dmCalloc(size_t, size_t); | |
| 393 void dmFree(void *); | |
| 394 | |
| 395 char * dm_strdup(const char *); | |
|
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396 char * dm_strndup(const char *, const size_t n); |
| 0 | 397 char * dm_strdup_vprintf(const char *, va_list); |
| 398 char * dm_strdup_printf(const char *, ...); | |
| 399 | |
| 813 | 400 char * dm_basefilename(const char *filename); |
| 401 char * dm_strdup_fext(const char *filename, const char *fmt); | |
| 816 | 402 char * dm_strrcasecmp(char *str, const char *needle); |
| 0 | 403 |
| 955 | 404 BOOL dmGetIntVal(const char *s, unsigned int *i); |
| 405 | |
| 406 | |
|
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407 /* Mutexes |
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408 */ |
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409 #ifdef DM_MUTEX_DEBUG |
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410 |
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411 typedef struct |
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412 { |
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413 BOOL used; |
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414 Uint32 id; |
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415 int state; |
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416 } DMMutexLock; |
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417 |
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418 typedef struct |
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419 { |
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420 char *cr_file; |
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421 int cr_line; |
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422 SDL_mutex *m; |
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423 DMMutexLock locks[8]; |
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424 } DMMutex; |
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425 |
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426 #define dmMutexLock(x) dmDOMutexLock(x, __FILE__, (int) __LINE__) |
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427 #define dmMutexUnlock(x) dmDOMutexUnlock(x, __FILE__, (int) __LINE__) |
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428 #define dmCreateMutex(x) dmDOCreateMutex(__FILE__, (int) __LINE__) |
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429 |
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430 int dmDOMutexLock(DMMutex *mutex, const char *file, const int line); |
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431 int dmDOMutexUnlock(DMMutex *mutex, const char *file, const int line); |
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432 DMMutex * dmDOCreateMutex(const char *file, const int line); |
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433 void dmDestroyMutex(DMMutex *mutex); |
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434 |
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435 #else |
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436 #define DMMutex SDL_mutex |
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437 #define dmCreateMutex() SDL_CreateMutex() |
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438 #define dmDestroyMutex(x) SDL_DestroyMutex(x) |
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439 #define dmMutexLock(x) SDL_mutexP(x) |
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440 #define dmMutexUnlock(x) SDL_mutexV(x) |
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441 #endif |
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442 |
| 0 | 443 /* Endianess swapping macros |
| 444 */ | |
| 955 | 445 #define DM_SWAP_16_LE_BE(value) ((Uint16) ( \ |
| 0 | 446 (Uint16) ((Uint16) (value) >> 8) | \ |
| 447 (Uint16) ((Uint16) (value) << 8)) ) | |
| 448 | |
| 449 | |
| 955 | 450 #define DM_SWAP_32_LE_BE(value) ((Uint32) ( \ |
| 0 | 451 (((Uint32) (value) & (Uint32) 0x000000ffU) << 24) | \ |
| 452 (((Uint32) (value) & (Uint32) 0x0000ff00U) << 8) | \ | |
| 453 (((Uint32) (value) & (Uint32) 0x00ff0000U) >> 8) | \ | |
| 454 (((Uint32) (value) & (Uint32) 0xff000000U) >> 24))) | |
| 455 | |
| 955 | 456 #define DM_SWAP_64_LE_BE(value) ((Uint64) ( \ |
| 457 (((Uint64) (value) & (Uint64) 0x00000000000000ffULL) << 56) | \ | |
| 458 (((Uint64) (value) & (Uint64) 0x000000000000ff00ULL) << 40) | \ | |
| 459 (((Uint64) (value) & (Uint64) 0x0000000000ff0000ULL) << 24) | \ | |
| 460 (((Uint64) (value) & (Uint64) 0x00000000ff000000ULL) << 8) | \ | |
| 461 (((Uint64) (value) & (Uint64) 0x000000ff00000000ULL) >> 8) | \ | |
| 462 (((Uint64) (value) & (Uint64) 0x0000ff0000000000ULL) >> 24) | \ | |
| 463 (((Uint64) (value) & (Uint64) 0x00ff000000000000ULL) >> 40) | \ | |
| 0 | 464 (((Uint64) (value) & (Uint64) 0xff00000000000000ULL) >> 56))) |
| 873 | 465 |
| 0 | 466 |
| 467 /* Macros that swap only when needed ... | |
| 468 */ | |
| 469 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
| 770 | 470 # define DM_LE16_TO_NATIVE(value) DM_SWAP_16_LE_BE(value) |
| 471 # define DM_LE32_TO_NATIVE(value) DM_SWAP_32_LE_BE(value) | |
| 472 # define DM_NATIVE_TO_LE16(value) DM_SWAP_16_LE_BE(value) | |
| 473 # define DM_NATIVE_TO_LE32(value) DM_SWAP_32_LE_BE(value) | |
| 0 | 474 |
| 770 | 475 # define DM_BE16_TO_NATIVE(value) ((Uint16) (value)) |
| 476 # define DM_BE32_TO_NATIVE(value) ((Uint32) (value)) | |
| 477 # define DM_NATIVE_TO_BE16(value) ((Uint16) (value)) | |
| 478 # define DM_NATIVE_TO_BE32(value) ((Uint32) (value)) | |
| 0 | 479 |
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480 # define DM_LE64_TO_NATIVE(value) DM_SWAP_64_LE_BE(value) |
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481 # define DM_NATIVE_TO_LE64(value) DM_SWAP_64_LE_BE(value) |
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482 # define DM_BE64_TO_NATIVE(value) ((Uint64) (value)) |
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483 # define DM_NATIVE_TO_BE64(value) ((Uint64) (value)) |
| 0 | 484 |
| 485 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) | |
| 486 | |
| 770 | 487 # define DM_LE16_TO_NATIVE(value) ((Uint16) (value)) |
| 488 # define DM_LE32_TO_NATIVE(value) ((Uint32) (value)) | |
| 489 # define DM_NATIVE_TO_LE16(value) ((Uint16) (value)) | |
| 490 # define DM_NATIVE_TO_LE32(value) ((Uint32) (value)) | |
| 0 | 491 |
| 770 | 492 # define DM_BE16_TO_NATIVE(value) DM_SWAP_16_LE_BE(value) |
| 493 # define DM_BE32_TO_NATIVE(value) DM_SWAP_32_LE_BE(value) | |
| 494 # define DM_NATIVE_TO_BE16(value) DM_SWAP_16_LE_BE(value) | |
| 495 # define DM_NATIVE_TO_BE32(value) DM_SWAP_32_LE_BE(value) | |
| 0 | 496 |
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497 # define DM_LE64_TO_NATIVE(value) ((Uint64) (value)) |
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498 # define DM_NATIVE_TO_LE64(value) ((Uint64) (value)) |
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499 # define DM_BE64_TO_NATIVE(value) DM_SWAP_64_LE_BE(value) |
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500 # define DM_NATIVE_TO_BE64(value) DM_SWAP_64_LE_BE(value) |
| 0 | 501 #endif |
| 502 | |
| 503 | |
| 504 #ifdef __cplusplus | |
| 505 } | |
| 506 #endif | |
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507 |
| 0 | 508 #endif // DMLIB_H |