Mercurial > hg > dmlib
annotate src/dmlib.h @ 1145:af2c9f76c782
MinGW does not define PRI* format specifiers, so define them ourselves :S
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Thu, 05 Mar 2015 02:37:10 +0200 |
parents | e7c3de96b6fd |
children | b412470ec606 |
rev | line source |
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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 | |
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24 |
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25 // Check for arch bitness |
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26 #if defined(__WIN64) || defined(_WIN64) || defined(_WIN32) || defined(__WIN32) |
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27 # define DM_WINDOWS 1 |
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28 # if defined(__MINGW32__) || defined(__MINGW64__) |
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29 # define __USE_MINGW_ANSI_STDIO 1 |
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30 # endif |
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31 #endif |
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32 |
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33 #if !defined(DM_ARCH) |
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34 # if defined(__LP64__) || defined(_LP64) |
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35 # define DM_ARCH 64 |
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36 # else |
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37 # define DM_ARCH 32 |
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38 # endif |
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39 #endif |
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40 |
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41 #if !defined(DM_ARCH) && (defined(__WIN64) || defined(_WIN64)) |
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42 # define DM_ARCH 64 |
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43 #endif |
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44 |
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45 #if !defined(DM_ARCH) && (defined(__WIN32) || defined(_WIN32)) |
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46 # define DM_ARCH 32 |
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47 #endif |
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48 |
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49 |
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50 // Do we have a valid arch? |
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51 // If so, set some printf specifiers |
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52 #if DM_ARCH == 32 |
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53 # define DM_ARCH_32BIT 1 |
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54 # define DM_PRIu32 "u" |
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55 # define DM_PRId32 "d" |
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56 # define DM_PRIx32 "x" |
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57 # define DM_PRIu64 "llu" |
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58 # define DM_PRId64 "lld" |
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59 # define DM_PRIx64 "llx" |
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60 # define DM_PRIu_SIZE_T "u" |
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61 # define DM_PRId_SSIZE_T "d" |
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62 # define DM_PRIx_SIZE_T "x" |
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63 #elif DM_ARCH == 64 |
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64 # define DM_ARCH_64BIT 1 |
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65 # define DM_PRIu32 "u" |
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66 # define DM_PRId32 "d" |
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67 # define DM_PRIx32 "x" |
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68 # define DM_PRIu64 "lu" |
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69 # define DM_PRId64 "ld" |
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70 # define DM_PRIx64 "lx" |
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71 # define DM_PRIu_SIZE_T "lu" |
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72 # define DM_PRId_SSIZE_T "ld" |
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73 # define DM_PRIx_SIZE_T "lx" |
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74 #else |
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75 # error Could not determine architecture (32/64bit), please define DM_ARCH=32 or 64 |
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76 #endif |
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77 |
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78 |
0 | 79 #ifdef __cplusplus |
80 extern "C" { | |
81 #endif | |
82 | |
83 // Defaults | |
913 | 84 #define DM_PROG_AUTHOR "By Matti 'ccr' Hamalainen (C) Copyright 2015 TNSP" |
341 | 85 #define DM_PROG_LICENSE "Et all, see README / COPYING for more information." |
0 | 86 |
87 /* Error codes | |
88 */ | |
89 enum { | |
770 | 90 // General error codes |
91 DMERR_OK = 0, | |
92 DMERR_PROGRESS, // Status OK, but operation in progress | |
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93 |
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94 DMERR_INTERNAL, |
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95 |
770 | 96 DMERR_FOPEN, |
97 DMERR_FREAD, | |
98 DMERR_FWRITE, | |
99 DMERR_FSEEK, | |
100 DMERR_NOT_FOUND, // Resource/data not found | |
0 | 101 |
770 | 102 DMERR_INVALID_DATA, // Some data was invalid |
103 DMERR_MALLOC, // Memory allocation failure | |
104 DMERR_ALREADY_INIT, // Resource has already been initialized | |
105 DMERR_INIT_FAIL, // General initialization failure | |
106 DMERR_INVALID_ARGS, | |
0 | 107 |
770 | 108 DMERR_NULLPTR, // NULL pointer specified in critical argument |
109 DMERR_NOT_SUPPORTED,// Operation not supported | |
110 DMERR_OUT_OF_DATA, | |
111 DMERR_EXTRA_DATA, | |
112 DMERR_BOUNDS, | |
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113 |
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114 DMERR_DATA_ERROR, // Data decoding/encoding/parsing error |
0 | 115 |
770 | 116 // PACK-file subsystem |
117 DMERR_NOTPACK, | |
118 DMERR_VERSION, | |
119 DMERR_INVALID, | |
120 DMERR_COMPRESSION, | |
0 | 121 }; |
122 | |
955 | 123 |
813 | 124 // Directory/path separator stuff |
125 #define DM_DIR_SEPARATOR '/' | |
126 | |
0 | 127 |
128 // Resource management defines | |
129 #define DMRES_NAME_LEN 32 | |
130 #define DMRES_DATA_PACK "data.pak" // Name of the data-file | |
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131 #define DMRES_DATA_PATH "data/" // Sub-directory path |
0 | 132 #define DMRES_RES_FILE "res.txt" // Resource data file |
133 | |
134 | |
135 /* Define a boolean type | |
136 */ | |
137 #if !defined(FALSE) && !defined(TRUE) && !defined(BOOL) | |
138 typedef enum { FALSE = 0, TRUE = 1 } BOOL; | |
139 #endif | |
140 | |
141 #ifndef BOOL | |
770 | 142 # ifdef bool |
143 # define BOOL bool | |
144 # else | |
145 # define BOOL int | |
146 # endif | |
0 | 147 #endif |
148 | |
149 | |
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150 /* Math constants |
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151 */ |
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152 #define DM_PI 3.14159265358f |
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153 #define DM_PI2 6.28318530718f |
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154 #define DM_E 2.71828182846f |
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155 |
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156 |
0 | 157 /* Fixed point math type |
158 */ | |
159 typedef union | |
160 { | |
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161 Sint64 dw; |
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162 Sint32 w[2]; |
0 | 163 } DMFixedPoint; |
164 | |
165 | |
166 typedef union | |
167 { | |
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168 Sint32 dw; |
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169 Sint16 w[2]; |
0 | 170 } DMFixedPoint32; |
171 | |
172 | |
173 /* Macros for fixed point math | |
174 */ | |
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175 #define FP_SET(a, k) a.dw = k ## ULL |
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176 #define FP_CONV(a, k) a.dw = (k) |
0 | 177 |
178 #ifndef SDL_BYTEORDER | |
179 # error Undefined byteorder! | |
180 #endif | |
181 | |
182 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
183 # define FP_SETH(a, k) a.w[0] = (k) | |
184 # define FP_SETL(a, k) a.w[1] = (k) | |
185 # define FP_SETHL(a, h, l) { a.w[0] = (h); a.w[1] = (l); } | |
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186 # define FP_GETH32(a) a.w[0] |
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187 # define FP_GETL32(a) a.w[1] |
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188 # define FP_GETH16(a) a.w[0] |
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189 # define FP_GETL16(a) a.w[1] |
0 | 190 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) |
191 # define FP_SETH(a, k) a.w[1] = (k) | |
192 # define FP_SETL(a, k) a.w[0] = (k) | |
193 # define FP_SETHL(a, h, l) { a.w[1] = (h); a.w[0] = (l); } | |
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194 # define FP_GETH32(a) a.w[1] |
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195 # define FP_GETL32(a) a.w[0] |
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196 # define FP_GETH16(a) a.w[1] |
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197 # define FP_GETL16(a) a.w[0] |
0 | 198 #else |
199 # error Unsupported byte order! | |
200 #endif | |
201 | |
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202 #define FP_PRINTF64(a) printf("%.8x:%.8x", FP_GETH32(a), FP_GETL32(a)) |
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203 #define FP_PRINTF32(a) printf("%.4x:%.4x", FP_GETH16(a), FP_GETL16(a)) |
0 | 204 |
205 #define FP_ADD(a, b) a.dw += b.dw | |
206 #define FP_SUB(a, b) a.dw -= b.dw | |
207 #define FP_ADD_R(r, a, b) r.dw = a.dw + b.dw | |
208 #define FP_SUB_R(r, a, b) r.dw = a.dw - b.dw | |
209 #define FP_DIV(a, b) a.dw /= b.dw | |
210 #define FP_MUL(a, b) a.dw *= b.dw | |
211 #define FP_DIV_R(r, a, b) r.dw = (a.dw / b.dw) | |
212 #define FP_MUL_R(r, a, b) r.dw = (a.dw * b.dw) | |
213 | |
214 | |
215 /* Miscellaneous types | |
216 */ | |
217 typedef struct | |
218 { | |
219 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
220 Uint8 a,g,b,r; | |
221 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) | |
222 Uint8 r,g,b,a; | |
223 #endif | |
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224 } DMColor; |
0 | 225 |
226 | |
227 typedef float DMFloat; | |
228 | |
229 | |
118
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230 // Macro for swapping two lvalues of same type |
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231 #define DM_SWAP(T, A, B) { if ((B) < (A)) { T swtmp = (B); B = (A); A = swtmp; } } |
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232 |
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233 |
0 | 234 /* Drawing modes used by blitting and some other functions. |
235 */ | |
236 enum | |
237 { | |
238 DMD_NONE = 0x0000, | |
239 DMD_TRANSPARENT = 0x0001, | |
240 DMD_SATURATE = 0x0002, | |
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241 |
0 | 242 DMD_ANTIALIAS = 0x0004, |
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243 |
0 | 244 DMD_NMODES = 6 |
245 }; | |
246 | |
247 | |
248 // Available bitdepths. Not all functions may support every one of these. | |
249 enum | |
250 { | |
251 DMD_8BIT = 0, | |
252 DMD_32BIT, | |
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253 |
0 | 254 DMD_NBITDEPTHS |
255 }; | |
256 | |
257 | |
258 static inline int dmBitsPerPixel2Index(int bpp) | |
259 { | |
260 return (bpp == 8 ? 0 : (bpp == 32 ? 1 : -1)); | |
261 } | |
262 | |
263 | |
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264 static inline DMFloat dmClamp10(const DMFloat a) |
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265 { |
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266 return (a < 0.0f ? 0.0f : (a > 1.0f ? 1.0f : a)); |
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267 } |
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268 |
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269 |
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270 static inline int dmClamp(const int v, const int min, const int max) |
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271 { |
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272 return (v < min ? min : (v > max ? max : v)); |
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273 } |
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274 |
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275 |
0 | 276 /* Arbitrary line drawing |
277 */ | |
278 #ifdef DM_GFX_LINES | |
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279 #define DM_HEADER |
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280 #include "dmlinefunc.h" |
234
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281 |
262
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282 enum |
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283 { |
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284 CLIP_TOP = 1, |
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285 CLIP_BOTTOM = 2, |
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286 CLIP_RIGHT = 4, |
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287 CLIP_LEFT = 8 |
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288 }; |
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289 |
234
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290 #define DM_CLIP_FUNC dmClipLineCoordsFloat |
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291 #define DM_COORD_TYPE DMFloat |
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292 #include "dmlineclip.h" |
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293 |
232
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294 #undef DM_HEADER |
0 | 295 #endif |
296 | |
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297 |
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298 /* Various blitting functions |
0 | 299 */ |
300 #ifdef DM_GFX_BLITS | |
301 typedef int (*DMScaledBlitFunc)(SDL_Surface *src, const int x0, const int y0, const int dwidth, const int dheight, SDL_Surface *dst); | |
302 DMScaledBlitFunc dmGetScaledBlitFunc(SDL_PixelFormat *src, SDL_PixelFormat *dst, int mode); | |
303 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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304 |
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305 typedef int (*DMUnscaledBlitFunc)(SDL_Surface *src, const int x0, const int y0, SDL_Surface *dst); |
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306 DMUnscaledBlitFunc dmGetUnscaledBlitFunc(SDL_PixelFormat *src, SDL_PixelFormat *dst, int mode); |
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307 int dmUnscaledBlitSurfaceAny(SDL_Surface *src, const int x0, const int y0, SDL_Surface *dst, int mode); |
232
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308 |
610
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309 SDL_Surface *dmConvertScaledSurface(SDL_Surface *src, SDL_PixelFormat *fmt, Uint32 flags, const int dwidth, const int dheight); |
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310 |
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311 |
232
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312 #define DM_HEADER |
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313 #include "dmblitfunc.h" |
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314 #undef DM_HEADER |
612
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315 |
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316 #endif // DM_GFX_BLITS |
0 | 317 |
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318 |
0 | 319 /* Misc functions |
320 */ | |
321 #ifdef DM_GFX_MISC | |
612
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322 |
0 | 323 void dmFillRect(SDL_Surface *screen, int x0, int y0, int x1, int y1, const Uint32 col); |
324 void dmDrawHLine(SDL_Surface *screen, int x0, int x1, int yc, const Uint32 col); | |
325 void dmDrawVLine(SDL_Surface *screen, int y0, int y1, int xc, const Uint32 col); | |
150
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326 |
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327 void dmDrawBox3D(SDL_Surface *screen, int x0, int y0, int x1, int y1, Uint32 ucol, Uint32 dcol); |
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328 void dmFillBox3D(SDL_Surface *screen, int x0, int y0, int x1, int y1, Uint32 bgcol, Uint32 ucol, Uint32 dcol); |
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329 |
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330 #endif // DM_GFX_MISC |
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331 |
90
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332 |
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333 static inline void dmClearSurface(SDL_Surface *screen, const Uint32 col) |
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334 { |
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335 SDL_FillRect(screen, NULL, col); |
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336 } |
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337 |
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338 |
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339 static inline Uint32 dmMapRGB(SDL_Surface *screen, int r, int g, int b) |
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340 { |
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341 return SDL_MapRGB(screen->format, r, g, b); |
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342 } |
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343 |
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344 |
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345 static inline Uint32 dmMapRGBA(SDL_Surface *screen, int r, int g, int b, int a) |
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346 { |
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347 return SDL_MapRGBA(screen->format, r, g, b, a); |
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348 } |
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349 |
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350 |
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351 static inline int dmDirectBlitSurface(SDL_Surface *bmp, SDL_Surface *screen) |
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352 { |
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353 return SDL_BlitSurface(bmp, NULL, screen, NULL); |
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354 } |
0 | 355 |
356 | |
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357 static inline SDL_Surface *dmCopySurface(SDL_Surface *src) |
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358 { |
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359 if (src != NULL) |
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360 return SDL_ConvertSurface(src, src->format, src->flags); |
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361 else |
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362 return NULL; |
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363 } |
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364 |
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365 |
0 | 366 /* Global variables |
367 */ | |
368 extern char *dmProgName, | |
369 *dmProgDesc, | |
370 *dmProgVersion, | |
371 *dmProgAuthor, | |
372 *dmProgLicense; | |
373 | |
374 extern int dmVerbosity; | |
375 void dmInitProg(char *name, char *desc, char *version, char *author, char *license); | |
376 void dmPrintBanner(FILE *outFile, const char *name, const char *usage); | |
377 | |
378 void dmMsgVA(int level, const char *fmt, va_list ap); | |
379 void dmMsg(int level, const char *fmt, ...); | |
380 void dmPrintVA(int level, const char *fmt, va_list ap); | |
381 void dmPrint(int level, const char *fmt, ...); | |
382 | |
958
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383 int dmErrorVA(const int error, const char *fmt, va_list); |
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384 int dmError(const int error, const char *fmt, ...); |
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385 void dmErrorMsg(const char *fmt, ...); |
955 | 386 int dmGetErrno(); |
387 const char *dmErrorStr(const int error); | |
388 | |
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389 #ifdef DM_DEBUG |
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390 # define dmErrorDBG dmError |
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391 # define dmErrorDBGMsg dmErrorMsg |
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392 #else |
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393 # define dmErrorDBG(ecode, fmt, ...) (ecode) // Dummy |
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394 # define dmErrorDBGMsg(fmt, ...) |
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395 #endif |
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396 |
0 | 397 void * dmMalloc(size_t); |
398 void * dmMalloc0(size_t); | |
399 void * dmRealloc(void *, size_t); | |
400 void * dmCalloc(size_t, size_t); | |
401 void dmFree(void *); | |
402 | |
403 char * dm_strdup(const char *); | |
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404 char * dm_strndup(const char *, const size_t n); |
0 | 405 char * dm_strdup_vprintf(const char *, va_list); |
406 char * dm_strdup_printf(const char *, ...); | |
407 | |
813 | 408 char * dm_basefilename(const char *filename); |
409 char * dm_strdup_fext(const char *filename, const char *fmt); | |
816 | 410 char * dm_strrcasecmp(char *str, const char *needle); |
0 | 411 |
955 | 412 BOOL dmGetIntVal(const char *s, unsigned int *i); |
413 | |
414 | |
294
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415 /* Mutexes |
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416 */ |
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417 #ifdef DM_MUTEX_DEBUG |
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418 |
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419 typedef struct |
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420 { |
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421 BOOL used; |
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422 Uint32 id; |
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423 int state; |
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424 } DMMutexLock; |
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425 |
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426 typedef struct |
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427 { |
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428 char *cr_file; |
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429 int cr_line; |
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430 SDL_mutex *m; |
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431 DMMutexLock locks[8]; |
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432 } DMMutex; |
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433 |
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434 #define dmMutexLock(x) dmDOMutexLock(x, __FILE__, (int) __LINE__) |
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435 #define dmMutexUnlock(x) dmDOMutexUnlock(x, __FILE__, (int) __LINE__) |
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436 #define dmCreateMutex(x) dmDOCreateMutex(__FILE__, (int) __LINE__) |
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437 |
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438 int dmDOMutexLock(DMMutex *mutex, const char *file, const int line); |
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439 int dmDOMutexUnlock(DMMutex *mutex, const char *file, const int line); |
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440 DMMutex * dmDOCreateMutex(const char *file, const int line); |
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441 void dmDestroyMutex(DMMutex *mutex); |
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442 |
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443 #else |
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444 #define DMMutex SDL_mutex |
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445 #define dmCreateMutex() SDL_CreateMutex() |
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446 #define dmDestroyMutex(x) SDL_DestroyMutex(x) |
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447 #define dmMutexLock(x) SDL_mutexP(x) |
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448 #define dmMutexUnlock(x) SDL_mutexV(x) |
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449 #endif |
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450 |
0 | 451 /* Endianess swapping macros |
452 */ | |
955 | 453 #define DM_SWAP_16_LE_BE(value) ((Uint16) ( \ |
0 | 454 (Uint16) ((Uint16) (value) >> 8) | \ |
455 (Uint16) ((Uint16) (value) << 8)) ) | |
456 | |
457 | |
955 | 458 #define DM_SWAP_32_LE_BE(value) ((Uint32) ( \ |
0 | 459 (((Uint32) (value) & (Uint32) 0x000000ffU) << 24) | \ |
460 (((Uint32) (value) & (Uint32) 0x0000ff00U) << 8) | \ | |
461 (((Uint32) (value) & (Uint32) 0x00ff0000U) >> 8) | \ | |
462 (((Uint32) (value) & (Uint32) 0xff000000U) >> 24))) | |
463 | |
955 | 464 #define DM_SWAP_64_LE_BE(value) ((Uint64) ( \ |
465 (((Uint64) (value) & (Uint64) 0x00000000000000ffULL) << 56) | \ | |
466 (((Uint64) (value) & (Uint64) 0x000000000000ff00ULL) << 40) | \ | |
467 (((Uint64) (value) & (Uint64) 0x0000000000ff0000ULL) << 24) | \ | |
468 (((Uint64) (value) & (Uint64) 0x00000000ff000000ULL) << 8) | \ | |
469 (((Uint64) (value) & (Uint64) 0x000000ff00000000ULL) >> 8) | \ | |
470 (((Uint64) (value) & (Uint64) 0x0000ff0000000000ULL) >> 24) | \ | |
471 (((Uint64) (value) & (Uint64) 0x00ff000000000000ULL) >> 40) | \ | |
0 | 472 (((Uint64) (value) & (Uint64) 0xff00000000000000ULL) >> 56))) |
873 | 473 |
0 | 474 |
475 /* Macros that swap only when needed ... | |
476 */ | |
477 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
770 | 478 # define DM_LE16_TO_NATIVE(value) DM_SWAP_16_LE_BE(value) |
479 # define DM_LE32_TO_NATIVE(value) DM_SWAP_32_LE_BE(value) | |
480 # define DM_NATIVE_TO_LE16(value) DM_SWAP_16_LE_BE(value) | |
481 # define DM_NATIVE_TO_LE32(value) DM_SWAP_32_LE_BE(value) | |
0 | 482 |
770 | 483 # define DM_BE16_TO_NATIVE(value) ((Uint16) (value)) |
484 # define DM_BE32_TO_NATIVE(value) ((Uint32) (value)) | |
485 # define DM_NATIVE_TO_BE16(value) ((Uint16) (value)) | |
486 # define DM_NATIVE_TO_BE32(value) ((Uint32) (value)) | |
0 | 487 |
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488 # define DM_LE64_TO_NATIVE(value) DM_SWAP_64_LE_BE(value) |
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489 # define DM_NATIVE_TO_LE64(value) DM_SWAP_64_LE_BE(value) |
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490 # define DM_BE64_TO_NATIVE(value) ((Uint64) (value)) |
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491 # define DM_NATIVE_TO_BE64(value) ((Uint64) (value)) |
0 | 492 |
493 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) | |
494 | |
770 | 495 # define DM_LE16_TO_NATIVE(value) ((Uint16) (value)) |
496 # define DM_LE32_TO_NATIVE(value) ((Uint32) (value)) | |
497 # define DM_NATIVE_TO_LE16(value) ((Uint16) (value)) | |
498 # define DM_NATIVE_TO_LE32(value) ((Uint32) (value)) | |
0 | 499 |
770 | 500 # define DM_BE16_TO_NATIVE(value) DM_SWAP_16_LE_BE(value) |
501 # define DM_BE32_TO_NATIVE(value) DM_SWAP_32_LE_BE(value) | |
502 # define DM_NATIVE_TO_BE16(value) DM_SWAP_16_LE_BE(value) | |
503 # define DM_NATIVE_TO_BE32(value) DM_SWAP_32_LE_BE(value) | |
0 | 504 |
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505 # define DM_LE64_TO_NATIVE(value) ((Uint64) (value)) |
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506 # define DM_NATIVE_TO_LE64(value) ((Uint64) (value)) |
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507 # define DM_BE64_TO_NATIVE(value) DM_SWAP_64_LE_BE(value) |
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508 # define DM_NATIVE_TO_BE64(value) DM_SWAP_64_LE_BE(value) |
0 | 509 #endif |
510 | |
511 | |
512 #ifdef __cplusplus | |
513 } | |
514 #endif | |
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515 |
0 | 516 #endif // DMLIB_H |