Mercurial > hg > dmlib
annotate src/dmlib.h @ 1554:7ed25973dbcb
Add some missing includes.
author | Matti Hamalainen <ccr@tnsp.org> |
---|---|
date | Sun, 13 May 2018 05:28:51 +0300 |
parents | 73a4158b2e55 |
children | 5e5f75b45f8d |
rev | line source |
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0 | 1 /* |
2 * DMLib | |
3 * -- Main header file | |
4 * Programmed and designed by Matti 'ccr' Hamalainen | |
1277 | 5 * (C) Copyright 2011-2017 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> |
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16 #include <stdio.h> |
0 | 17 #include <stdarg.h> |
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18 #include <stdlib.h> |
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19 #include <ctype.h> |
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20 |
0 | 21 |
22 #ifdef DM_USE_ASSERTS | |
770 | 23 # include <assert.h> |
0 | 24 #else |
770 | 25 # define assert(NEXPR) // stub |
0 | 26 #endif |
27 | |
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28 |
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29 // Check for arch bitness |
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30 #if defined(__WIN64) || defined(_WIN64) || defined(_WIN32) || defined(__WIN32) |
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31 # define DM_WINDOWS 1 |
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32 # if defined(__MINGW32__) || defined(__MINGW64__) |
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33 # define __USE_MINGW_ANSI_STDIO 1 |
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34 # endif |
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35 #endif |
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36 |
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37 #if !defined(DM_ARCH) |
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38 # if defined(__LP64__) || defined(_LP64) |
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39 # define DM_ARCH 64 |
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40 # else |
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41 # define DM_ARCH 32 |
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42 # endif |
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43 #endif |
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44 |
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45 #if !defined(DM_ARCH) && (defined(__WIN64) || defined(_WIN64)) |
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46 # define DM_ARCH 64 |
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47 #endif |
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48 |
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49 #if !defined(DM_ARCH) && (defined(__WIN32) || defined(_WIN32)) |
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50 # define DM_ARCH 32 |
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51 #endif |
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52 |
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53 |
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54 // Do we have a valid arch? |
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55 // If so, set some printf specifiers |
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56 #if DM_ARCH == 32 |
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57 # define DM_ARCH_32BIT 1 |
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58 # define DM_PRIu32 "u" |
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59 # define DM_PRId32 "d" |
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60 # define DM_PRIx32 "x" |
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61 # define DM_PRIu64 "llu" |
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62 # define DM_PRId64 "lld" |
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63 # define DM_PRIx64 "llx" |
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64 # define DM_PRIu_SIZE_T "u" |
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65 # define DM_PRId_SSIZE_T "d" |
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66 # define DM_PRIx_SIZE_T "x" |
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67 #elif DM_ARCH == 64 |
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68 # define DM_ARCH_64BIT 1 |
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69 # define DM_PRIu32 "u" |
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70 # define DM_PRId32 "d" |
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71 # define DM_PRIx32 "x" |
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72 # define DM_PRIu64 "lu" |
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73 # define DM_PRId64 "ld" |
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74 # define DM_PRIx64 "lx" |
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75 # define DM_PRIu_SIZE_T "lu" |
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76 # define DM_PRId_SSIZE_T "ld" |
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77 # define DM_PRIx_SIZE_T "lx" |
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78 #else |
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79 # error Could not determine architecture (32/64bit), please define DM_ARCH=32 or 64 |
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80 #endif |
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81 |
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82 |
0 | 83 #ifdef __cplusplus |
84 extern "C" { | |
85 #endif | |
86 | |
87 // Defaults | |
1277 | 88 #define DM_PROG_AUTHOR "By Matti 'ccr' Hamalainen (C) Copyright 2017 TNSP" |
341 | 89 #define DM_PROG_LICENSE "Et all, see README / COPYING for more information." |
0 | 90 |
91 /* Error codes | |
92 */ | |
93 enum { | |
770 | 94 // General error codes |
95 DMERR_OK = 0, | |
96 DMERR_PROGRESS, // Status OK, but operation in progress | |
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97 |
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98 DMERR_INTERNAL, |
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99 |
770 | 100 DMERR_FOPEN, |
101 DMERR_FREAD, | |
102 DMERR_FWRITE, | |
103 DMERR_FSEEK, | |
104 DMERR_NOT_FOUND, // Resource/data not found | |
0 | 105 |
770 | 106 DMERR_INVALID_DATA, // Some data was invalid |
107 DMERR_MALLOC, // Memory allocation failure | |
108 DMERR_ALREADY_INIT, // Resource has already been initialized | |
109 DMERR_INIT_FAIL, // General initialization failure | |
110 DMERR_INVALID_ARGS, | |
0 | 111 |
770 | 112 DMERR_NULLPTR, // NULL pointer specified in critical argument |
113 DMERR_NOT_SUPPORTED,// Operation not supported | |
114 DMERR_OUT_OF_DATA, | |
115 DMERR_EXTRA_DATA, | |
116 DMERR_BOUNDS, | |
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117 |
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118 DMERR_DATA_ERROR, // Data decoding/encoding/parsing error |
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119 |
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120 DMERR_VERSION, // Unsupported data version |
0 | 121 |
770 | 122 // PACK-file subsystem |
123 DMERR_NOTPACK, | |
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124 DMERR_PACK_VERSION, |
770 | 125 DMERR_INVALID, |
126 DMERR_COMPRESSION, | |
0 | 127 }; |
128 | |
955 | 129 |
813 | 130 // Directory/path separator stuff |
131 #define DM_DIR_SEPARATOR '/' | |
132 | |
0 | 133 |
134 // Resource management defines | |
135 #define DMRES_NAME_LEN 32 | |
136 #define DMRES_DATA_PACK "data.pak" // Name of the data-file | |
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137 #define DMRES_DATA_PATH "data/" // Sub-directory path |
0 | 138 #define DMRES_RES_FILE "res.txt" // Resource data file |
139 | |
140 | |
141 /* Define a boolean type | |
142 */ | |
143 #if !defined(FALSE) && !defined(TRUE) && !defined(BOOL) | |
144 typedef enum { FALSE = 0, TRUE = 1 } BOOL; | |
145 #endif | |
146 | |
147 #ifndef BOOL | |
770 | 148 # ifdef bool |
149 # define BOOL bool | |
150 # else | |
151 # define BOOL int | |
152 # endif | |
0 | 153 #endif |
154 | |
155 | |
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156 /* Math constants |
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157 */ |
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158 #define DM_PI 3.14159265358f |
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159 #define DM_PI2 6.28318530718f |
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160 #define DM_E 2.71828182846f |
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161 |
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162 |
1146 | 163 /* Fixed point math types |
0 | 164 */ |
165 typedef union | |
166 { | |
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167 Sint64 dw; |
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168 Sint32 w[2]; |
0 | 169 } DMFixedPoint; |
170 | |
171 | |
172 typedef union | |
173 { | |
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174 Sint32 dw; |
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175 Sint16 w[2]; |
0 | 176 } DMFixedPoint32; |
177 | |
178 | |
179 /* Macros for fixed point math | |
180 */ | |
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181 #define FP_SET(a, k) a.dw = k ## ULL |
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182 #define FP_CONV(a, k) a.dw = (k) |
0 | 183 |
184 #ifndef SDL_BYTEORDER | |
185 # error Undefined byteorder! | |
186 #endif | |
187 | |
188 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
189 # define FP_SETH(a, k) a.w[0] = (k) | |
190 # define FP_SETL(a, k) a.w[1] = (k) | |
191 # define FP_SETHL(a, h, l) { a.w[0] = (h); a.w[1] = (l); } | |
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192 # define FP_GETH32(a) a.w[0] |
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193 # define FP_GETL32(a) a.w[1] |
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194 # define FP_GETH16(a) a.w[0] |
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195 # define FP_GETL16(a) a.w[1] |
0 | 196 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) |
197 # define FP_SETH(a, k) a.w[1] = (k) | |
198 # define FP_SETL(a, k) a.w[0] = (k) | |
199 # define FP_SETHL(a, h, l) { a.w[1] = (h); a.w[0] = (l); } | |
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200 # define FP_GETH32(a) a.w[1] |
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201 # define FP_GETL32(a) a.w[0] |
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202 # define FP_GETH16(a) a.w[1] |
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203 # define FP_GETL16(a) a.w[0] |
0 | 204 #else |
205 # error Unsupported byte order! | |
206 #endif | |
207 | |
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208 #define FP_PRINTF64(a) printf("%.8x:%.8x", FP_GETH32(a), FP_GETL32(a)) |
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209 #define FP_PRINTF32(a) printf("%.4x:%.4x", FP_GETH16(a), FP_GETL16(a)) |
0 | 210 |
211 #define FP_ADD(a, b) a.dw += b.dw | |
212 #define FP_SUB(a, b) a.dw -= b.dw | |
213 #define FP_ADD_R(r, a, b) r.dw = a.dw + b.dw | |
214 #define FP_SUB_R(r, a, b) r.dw = a.dw - b.dw | |
215 #define FP_DIV(a, b) a.dw /= b.dw | |
216 #define FP_MUL(a, b) a.dw *= b.dw | |
217 #define FP_DIV_R(r, a, b) r.dw = (a.dw / b.dw) | |
218 #define FP_MUL_R(r, a, b) r.dw = (a.dw * b.dw) | |
219 | |
220 | |
221 /* Miscellaneous types | |
222 */ | |
223 typedef struct | |
224 { | |
225 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
226 Uint8 a,g,b,r; | |
227 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) | |
228 Uint8 r,g,b,a; | |
229 #endif | |
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230 } DMColor; |
0 | 231 |
232 | |
233 typedef float DMFloat; | |
234 | |
235 | |
118
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236 // Macro for swapping two lvalues of same type |
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237 #define DM_SWAP(T, A, B) { if ((B) < (A)) { T swtmp = (B); B = (A); A = swtmp; } } |
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238 |
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239 |
0 | 240 /* Drawing modes used by blitting and some other functions. |
241 */ | |
242 enum | |
243 { | |
244 DMD_NONE = 0x0000, | |
245 DMD_TRANSPARENT = 0x0001, | |
246 DMD_SATURATE = 0x0002, | |
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247 |
0 | 248 DMD_ANTIALIAS = 0x0004, |
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249 |
0 | 250 DMD_NMODES = 6 |
251 }; | |
252 | |
253 | |
254 // Available bitdepths. Not all functions may support every one of these. | |
255 enum | |
256 { | |
257 DMD_8BIT = 0, | |
258 DMD_32BIT, | |
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259 |
0 | 260 DMD_NBITDEPTHS |
261 }; | |
262 | |
263 | |
264 static inline int dmBitsPerPixel2Index(int bpp) | |
265 { | |
266 return (bpp == 8 ? 0 : (bpp == 32 ? 1 : -1)); | |
267 } | |
268 | |
269 | |
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270 static inline DMFloat dmClamp10(const DMFloat a) |
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271 { |
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272 return (a < 0.0f ? 0.0f : (a > 1.0f ? 1.0f : a)); |
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273 } |
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274 |
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275 |
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276 static inline int dmClamp(const int v, const int min, const int max) |
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277 { |
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278 return (v < min ? min : (v > max ? max : v)); |
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279 } |
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280 |
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281 |
0 | 282 /* Arbitrary line drawing |
283 */ | |
284 #ifdef DM_GFX_LINES | |
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285 #define DM_HEADER |
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286 #include "dmlinefunc.h" |
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287 |
262
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288 enum |
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289 { |
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290 CLIP_TOP = 1, |
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291 CLIP_BOTTOM = 2, |
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292 CLIP_RIGHT = 4, |
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293 CLIP_LEFT = 8 |
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294 }; |
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295 |
234
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296 #define DM_CLIP_FUNC dmClipLineCoordsFloat |
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297 #define DM_COORD_TYPE DMFloat |
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298 #include "dmlineclip.h" |
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299 |
232
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300 #undef DM_HEADER |
0 | 301 #endif |
302 | |
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303 |
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304 /* Various blitting functions |
0 | 305 */ |
306 #ifdef DM_GFX_BLITS | |
307 typedef int (*DMScaledBlitFunc)(SDL_Surface *src, const int x0, const int y0, const int dwidth, const int dheight, SDL_Surface *dst); | |
308 DMScaledBlitFunc dmGetScaledBlitFunc(SDL_PixelFormat *src, SDL_PixelFormat *dst, int mode); | |
309 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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310 |
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311 typedef int (*DMUnscaledBlitFunc)(SDL_Surface *src, const int x0, const int y0, SDL_Surface *dst); |
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312 DMUnscaledBlitFunc dmGetUnscaledBlitFunc(SDL_PixelFormat *src, SDL_PixelFormat *dst, int mode); |
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313 int dmUnscaledBlitSurfaceAny(SDL_Surface *src, const int x0, const int y0, SDL_Surface *dst, int mode); |
232
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314 |
610
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315 SDL_Surface *dmConvertScaledSurface(SDL_Surface *src, SDL_PixelFormat *fmt, Uint32 flags, const int dwidth, const int dheight); |
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316 |
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317 |
232
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318 #define DM_HEADER |
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319 #include "dmblitfunc.h" |
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320 #undef DM_HEADER |
612
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321 |
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322 #endif // DM_GFX_BLITS |
0 | 323 |
95
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324 |
90
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325 static inline void dmClearSurface(SDL_Surface *screen, const Uint32 col) |
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326 { |
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327 SDL_FillRect(screen, NULL, col); |
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328 } |
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329 |
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330 |
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331 static inline Uint32 dmMapRGB(SDL_Surface *screen, int r, int g, int b) |
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332 { |
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333 return SDL_MapRGB(screen->format, r, g, b); |
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334 } |
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335 |
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336 |
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337 static inline Uint32 dmMapRGBA(SDL_Surface *screen, int r, int g, int b, int a) |
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338 { |
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339 return SDL_MapRGBA(screen->format, r, g, b, a); |
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340 } |
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341 |
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342 |
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343 static inline int dmDirectBlitSurface(SDL_Surface *bmp, SDL_Surface *screen) |
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344 { |
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345 return SDL_BlitSurface(bmp, NULL, screen, NULL); |
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346 } |
0 | 347 |
348 | |
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349 static inline SDL_Surface *dmCopySurface(SDL_Surface *src) |
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350 { |
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351 if (src != NULL) |
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352 return SDL_ConvertSurface(src, src->format, src->flags); |
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353 else |
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354 return NULL; |
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355 } |
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356 |
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357 |
0 | 358 /* Global variables |
359 */ | |
360 extern char *dmProgName, | |
361 *dmProgDesc, | |
362 *dmProgVersion, | |
363 *dmProgAuthor, | |
364 *dmProgLicense; | |
365 | |
366 extern int dmVerbosity; | |
367 void dmInitProg(char *name, char *desc, char *version, char *author, char *license); | |
368 void dmPrintBanner(FILE *outFile, const char *name, const char *usage); | |
369 | |
370 void dmMsgVA(int level, const char *fmt, va_list ap); | |
371 void dmMsg(int level, const char *fmt, ...); | |
372 void dmPrintVA(int level, const char *fmt, va_list ap); | |
373 void dmPrint(int level, const char *fmt, ...); | |
374 | |
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375 int dmErrorVA(const int error, const char *fmt, va_list); |
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376 int dmError(const int error, const char *fmt, ...); |
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377 void dmErrorMsg(const char *fmt, ...); |
955 | 378 int dmGetErrno(); |
379 const char *dmErrorStr(const int error); | |
380 | |
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381 #ifdef DM_DEBUG |
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382 # define dmErrorDBG dmError |
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383 # define dmErrorDBGMsg dmErrorMsg |
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384 #else |
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385 # define dmErrorDBG(ecode, fmt, ...) (ecode) // Dummy |
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386 # define dmErrorDBGMsg(fmt, ...) |
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387 #endif |
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388 |
1451 | 389 void * dmMalloc(size_t len); |
390 void * dmMalloc0(size_t len); | |
391 void * dmRealloc(void *ptr, size_t len); | |
392 void * dmCalloc(size_t n, size_t len); | |
393 void dmFree(void *ptr); | |
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394 void dmFreeRReal(void **ptr); |
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395 #define dmFreeR(ptr) dmFreeRReal((void **) ptr) |
1451 | 396 |
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397 #if defined(DM_HAVE_MEMSET) || defined(DM_HAVE_STRING_H) |
1166 | 398 static inline void * dmMemset(void *ptr, const int c, size_t n) |
399 { | |
400 return memset(ptr, c, n); | |
401 } | |
402 #else | |
403 void * dmMemset(void *ptr, const int c, size_t n); | |
404 #endif | |
0 | 405 |
406 char * dm_strdup(const char *); | |
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407 char * dm_strndup(const char *, const size_t n); |
0 | 408 char * dm_strdup_vprintf(const char *, va_list); |
409 char * dm_strdup_printf(const char *, ...); | |
410 | |
813 | 411 char * dm_basefilename(const char *filename); |
412 char * dm_strdup_fext(const char *filename, const char *fmt); | |
816 | 413 char * dm_strrcasecmp(char *str, const char *needle); |
0 | 414 |
955 | 415 BOOL dmGetIntVal(const char *s, unsigned int *i); |
416 | |
417 | |
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418 /* Mutexes |
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419 */ |
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420 #ifdef DM_MUTEX_DEBUG |
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421 |
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422 typedef struct |
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423 { |
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424 BOOL used; |
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425 Uint32 id; |
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426 int state; |
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427 } DMMutexLock; |
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428 |
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429 typedef struct |
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430 { |
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431 char *cr_file; |
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432 int cr_line; |
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433 SDL_mutex *m; |
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434 DMMutexLock locks[8]; |
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435 } DMMutex; |
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436 |
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437 #define dmMutexLock(x) dmDOMutexLock(x, __FILE__, (int) __LINE__) |
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438 #define dmMutexUnlock(x) dmDOMutexUnlock(x, __FILE__, (int) __LINE__) |
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439 #define dmCreateMutex(x) dmDOCreateMutex(__FILE__, (int) __LINE__) |
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440 |
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441 int dmDOMutexLock(DMMutex *mutex, const char *file, const int line); |
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442 int dmDOMutexUnlock(DMMutex *mutex, const char *file, const int line); |
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443 DMMutex * dmDOCreateMutex(const char *file, const int line); |
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444 void dmDestroyMutex(DMMutex *mutex); |
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445 |
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446 #else |
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447 #define DMMutex SDL_mutex |
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448 #define dmCreateMutex() SDL_CreateMutex() |
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449 #define dmDestroyMutex(x) SDL_DestroyMutex(x) |
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450 #define dmMutexLock(x) SDL_mutexP(x) |
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451 #define dmMutexUnlock(x) SDL_mutexV(x) |
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452 #endif |
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453 |
0 | 454 /* Endianess swapping macros |
455 */ | |
955 | 456 #define DM_SWAP_16_LE_BE(value) ((Uint16) ( \ |
0 | 457 (Uint16) ((Uint16) (value) >> 8) | \ |
458 (Uint16) ((Uint16) (value) << 8)) ) | |
459 | |
460 | |
955 | 461 #define DM_SWAP_32_LE_BE(value) ((Uint32) ( \ |
0 | 462 (((Uint32) (value) & (Uint32) 0x000000ffU) << 24) | \ |
463 (((Uint32) (value) & (Uint32) 0x0000ff00U) << 8) | \ | |
464 (((Uint32) (value) & (Uint32) 0x00ff0000U) >> 8) | \ | |
465 (((Uint32) (value) & (Uint32) 0xff000000U) >> 24))) | |
466 | |
955 | 467 #define DM_SWAP_64_LE_BE(value) ((Uint64) ( \ |
468 (((Uint64) (value) & (Uint64) 0x00000000000000ffULL) << 56) | \ | |
469 (((Uint64) (value) & (Uint64) 0x000000000000ff00ULL) << 40) | \ | |
470 (((Uint64) (value) & (Uint64) 0x0000000000ff0000ULL) << 24) | \ | |
471 (((Uint64) (value) & (Uint64) 0x00000000ff000000ULL) << 8) | \ | |
472 (((Uint64) (value) & (Uint64) 0x000000ff00000000ULL) >> 8) | \ | |
473 (((Uint64) (value) & (Uint64) 0x0000ff0000000000ULL) >> 24) | \ | |
474 (((Uint64) (value) & (Uint64) 0x00ff000000000000ULL) >> 40) | \ | |
0 | 475 (((Uint64) (value) & (Uint64) 0xff00000000000000ULL) >> 56))) |
873 | 476 |
0 | 477 |
478 /* Macros that swap only when needed ... | |
479 */ | |
480 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
770 | 481 # define DM_LE16_TO_NATIVE(value) DM_SWAP_16_LE_BE(value) |
482 # define DM_LE32_TO_NATIVE(value) DM_SWAP_32_LE_BE(value) | |
483 # define DM_NATIVE_TO_LE16(value) DM_SWAP_16_LE_BE(value) | |
484 # define DM_NATIVE_TO_LE32(value) DM_SWAP_32_LE_BE(value) | |
0 | 485 |
770 | 486 # define DM_BE16_TO_NATIVE(value) ((Uint16) (value)) |
487 # define DM_BE32_TO_NATIVE(value) ((Uint32) (value)) | |
488 # define DM_NATIVE_TO_BE16(value) ((Uint16) (value)) | |
489 # define DM_NATIVE_TO_BE32(value) ((Uint32) (value)) | |
0 | 490 |
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491 # define DM_LE64_TO_NATIVE(value) DM_SWAP_64_LE_BE(value) |
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492 # define DM_NATIVE_TO_LE64(value) DM_SWAP_64_LE_BE(value) |
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493 # define DM_BE64_TO_NATIVE(value) ((Uint64) (value)) |
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494 # define DM_NATIVE_TO_BE64(value) ((Uint64) (value)) |
0 | 495 |
496 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) | |
497 | |
770 | 498 # define DM_LE16_TO_NATIVE(value) ((Uint16) (value)) |
499 # define DM_LE32_TO_NATIVE(value) ((Uint32) (value)) | |
500 # define DM_NATIVE_TO_LE16(value) ((Uint16) (value)) | |
501 # define DM_NATIVE_TO_LE32(value) ((Uint32) (value)) | |
0 | 502 |
770 | 503 # define DM_BE16_TO_NATIVE(value) DM_SWAP_16_LE_BE(value) |
504 # define DM_BE32_TO_NATIVE(value) DM_SWAP_32_LE_BE(value) | |
505 # define DM_NATIVE_TO_BE16(value) DM_SWAP_16_LE_BE(value) | |
506 # define DM_NATIVE_TO_BE32(value) DM_SWAP_32_LE_BE(value) | |
0 | 507 |
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508 # define DM_LE64_TO_NATIVE(value) ((Uint64) (value)) |
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509 # define DM_NATIVE_TO_LE64(value) ((Uint64) (value)) |
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510 # define DM_BE64_TO_NATIVE(value) DM_SWAP_64_LE_BE(value) |
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511 # define DM_NATIVE_TO_BE64(value) DM_SWAP_64_LE_BE(value) |
0 | 512 #endif |
513 | |
514 | |
515 #ifdef __cplusplus | |
516 } | |
517 #endif | |
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518 |
0 | 519 #endif // DMLIB_H |