| 1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
| 2 | * Mupen64plus - osd.cpp * |
| 3 | * Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ * |
| 4 | * Copyright (C) 2008 Nmn Ebenblues * |
| 5 | * * |
| 6 | * This program is free software; you can redistribute it and/or modify * |
| 7 | * it under the terms of the GNU General Public License as published by * |
| 8 | * the Free Software Foundation; either version 2 of the License, or * |
| 9 | * (at your option) any later version. * |
| 10 | * * |
| 11 | * This program is distributed in the hope that it will be useful, * |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 14 | * GNU General Public License for more details. * |
| 15 | * * |
| 16 | * You should have received a copy of the GNU General Public License * |
| 17 | * along with this program; if not, write to the * |
| 18 | * Free Software Foundation, Inc., * |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
| 20 | * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
| 21 | |
| 22 | // On-screen Display |
| 23 | #ifdef PANDORA |
| 24 | #include <SDL_opengles2.h> |
| 25 | #else |
| 26 | #include <SDL_opengl.h> |
| 27 | #endif |
| 28 | #include <SDL_thread.h> |
| 29 | |
| 30 | #ifndef PANDORA |
| 31 | #include "OGLFT.h" |
| 32 | #endif |
| 33 | #include "osd.h" |
| 34 | |
| 35 | extern "C" { |
| 36 | #define M64P_CORE_PROTOTYPES 1 |
| 37 | #include "api/m64p_config.h" |
| 38 | #include "api/config.h" |
| 39 | #include "api/callbacks.h" |
| 40 | #include "api/m64p_vidext.h" |
| 41 | #include "api/vidext.h" |
| 42 | #include "main/main.h" |
| 43 | #include "main/list.h" |
| 44 | #include "osal/files.h" |
| 45 | #include "osal/preproc.h" |
| 46 | #include "plugin/plugin.h" |
| 47 | } |
| 48 | |
| 49 | #define FONT_FILENAME "font.ttf" |
| 50 | |
| 51 | typedef void (APIENTRYP PTRGLACTIVETEXTURE)(GLenum texture); |
| 52 | static PTRGLACTIVETEXTURE pglActiveTexture = NULL; |
| 53 | |
| 54 | // static variables for OSD |
| 55 | static int l_OsdInitialized = 0; |
| 56 | |
| 57 | static LIST_HEAD(l_messageQueue); |
| 58 | static OGLFT::Monochrome *l_font; |
| 59 | static float l_fLineHeight = -1.0; |
| 60 | |
| 61 | static void animation_none(osd_message_t *); |
| 62 | static void animation_fade(osd_message_t *); |
| 63 | static void osd_remove_message(osd_message_t *msg); |
| 64 | static osd_message_t * osd_message_valid(osd_message_t *testmsg); |
| 65 | |
| 66 | static float fCornerScroll[OSD_NUM_CORNERS]; |
| 67 | |
| 68 | static SDL_mutex *osd_list_lock; |
| 69 | |
| 70 | // animation handlers |
| 71 | static void (*l_animations[OSD_NUM_ANIM_TYPES])(osd_message_t *) = { |
| 72 | animation_none, // animation handler for OSD_NONE |
| 73 | animation_fade // animation handler for OSD_FADE |
| 74 | }; |
| 75 | |
| 76 | // private functions |
| 77 | // draw message on screen |
| 78 | static void draw_message(osd_message_t *msg, int width, int height) |
| 79 | { |
| 80 | float x = 0., |
| 81 | y = 0.; |
| 82 | |
| 83 | if(!l_font || !l_font->isValid()) |
| 84 | return; |
| 85 | |
| 86 | // set color. alpha is hard coded to 1. animation can change this |
| 87 | l_font->setForegroundColor(msg->color[R], msg->color[G], msg->color[B], 1.0); |
| 88 | l_font->setBackgroundColor(0.0, 0.0, 0.0, 0.0); |
| 89 | |
| 90 | // set justification based on corner |
| 91 | switch(msg->corner) |
| 92 | { |
| 93 | case OSD_TOP_LEFT: |
| 94 | l_font->setVerticalJustification(OGLFT::Face::TOP); |
| 95 | l_font->setHorizontalJustification(OGLFT::Face::LEFT); |
| 96 | x = 0.; |
| 97 | y = (float)height; |
| 98 | break; |
| 99 | case OSD_TOP_CENTER: |
| 100 | l_font->setVerticalJustification(OGLFT::Face::TOP); |
| 101 | l_font->setHorizontalJustification(OGLFT::Face::CENTER); |
| 102 | x = ((float)width)/2.0f; |
| 103 | y = (float)height; |
| 104 | break; |
| 105 | case OSD_TOP_RIGHT: |
| 106 | l_font->setVerticalJustification(OGLFT::Face::TOP); |
| 107 | l_font->setHorizontalJustification(OGLFT::Face::RIGHT); |
| 108 | x = (float)width; |
| 109 | y = (float)height; |
| 110 | break; |
| 111 | case OSD_MIDDLE_LEFT: |
| 112 | l_font->setVerticalJustification(OGLFT::Face::MIDDLE); |
| 113 | l_font->setHorizontalJustification(OGLFT::Face::LEFT); |
| 114 | x = 0.; |
| 115 | y = ((float)height)/2.0f; |
| 116 | break; |
| 117 | case OSD_MIDDLE_CENTER: |
| 118 | l_font->setVerticalJustification(OGLFT::Face::MIDDLE); |
| 119 | l_font->setHorizontalJustification(OGLFT::Face::CENTER); |
| 120 | x = ((float)width)/2.0f; |
| 121 | y = ((float)height)/2.0f; |
| 122 | break; |
| 123 | case OSD_MIDDLE_RIGHT: |
| 124 | l_font->setVerticalJustification(OGLFT::Face::MIDDLE); |
| 125 | l_font->setHorizontalJustification(OGLFT::Face::RIGHT); |
| 126 | x = (float)width; |
| 127 | y = ((float)height)/2.0f; |
| 128 | break; |
| 129 | case OSD_BOTTOM_LEFT: |
| 130 | l_font->setVerticalJustification(OGLFT::Face::BOTTOM); |
| 131 | l_font->setHorizontalJustification(OGLFT::Face::LEFT); |
| 132 | x = 0.; |
| 133 | y = 0.; |
| 134 | break; |
| 135 | case OSD_BOTTOM_CENTER: |
| 136 | l_font->setVerticalJustification(OGLFT::Face::BOTTOM); |
| 137 | l_font->setHorizontalJustification(OGLFT::Face::CENTER); |
| 138 | x = ((float)width)/2.0f; |
| 139 | y = 0.; |
| 140 | break; |
| 141 | case OSD_BOTTOM_RIGHT: |
| 142 | l_font->setVerticalJustification(OGLFT::Face::BOTTOM); |
| 143 | l_font->setHorizontalJustification(OGLFT::Face::RIGHT); |
| 144 | x = (float)width; |
| 145 | y = 0.; |
| 146 | break; |
| 147 | default: |
| 148 | l_font->setVerticalJustification(OGLFT::Face::BOTTOM); |
| 149 | l_font->setHorizontalJustification(OGLFT::Face::LEFT); |
| 150 | x = 0.; |
| 151 | y = 0.; |
| 152 | break; |
| 153 | } |
| 154 | |
| 155 | // apply animation for current message state |
| 156 | (*l_animations[msg->animation[msg->state]])(msg); |
| 157 | |
| 158 | // xoffset moves message left |
| 159 | x -= msg->xoffset; |
| 160 | // yoffset moves message up |
| 161 | y += msg->yoffset; |
| 162 | |
| 163 | // get the bounding box if invalid |
| 164 | if (msg->sizebox[0] == 0 && msg->sizebox[2] == 0) // xmin and xmax |
| 165 | { |
| 166 | OGLFT::BBox bbox = l_font->measure_nominal(msg->text); |
| 167 | msg->sizebox[0] = bbox.x_min_; |
| 168 | msg->sizebox[1] = bbox.y_min_; |
| 169 | msg->sizebox[2] = bbox.x_max_; |
| 170 | msg->sizebox[3] = bbox.y_max_; |
| 171 | } |
| 172 | |
| 173 | // draw the text line |
| 174 | l_font->draw(x, y, msg->text, msg->sizebox); |
| 175 | } |
| 176 | |
| 177 | // null animation handler |
| 178 | static void animation_none(osd_message_t *msg) { } |
| 179 | |
| 180 | // fade in/out animation handler |
| 181 | static void animation_fade(osd_message_t *msg) |
| 182 | { |
| 183 | float alpha = 1.; |
| 184 | float elapsed_frames; |
| 185 | float total_frames = (float)msg->timeout[msg->state]; |
| 186 | |
| 187 | switch(msg->state) |
| 188 | { |
| 189 | case OSD_DISAPPEAR: |
| 190 | elapsed_frames = (float)(total_frames - msg->frames); |
| 191 | break; |
| 192 | case OSD_APPEAR: |
| 193 | default: |
| 194 | elapsed_frames = (float)msg->frames; |
| 195 | break; |
| 196 | } |
| 197 | |
| 198 | if(total_frames != 0.) |
| 199 | alpha = elapsed_frames / total_frames; |
| 200 | |
| 201 | l_font->setForegroundColor(msg->color[R], msg->color[G], msg->color[B], alpha); |
| 202 | } |
| 203 | |
| 204 | // sets message Y offset depending on where they are in the message queue |
| 205 | static float get_message_offset(osd_message_t *msg, float fLinePos) |
| 206 | { |
| 207 | float offset = (float) (l_font->height() * fLinePos); |
| 208 | |
| 209 | switch(msg->corner) |
| 210 | { |
| 211 | case OSD_TOP_LEFT: |
| 212 | case OSD_TOP_CENTER: |
| 213 | case OSD_TOP_RIGHT: |
| 214 | return -offset; |
| 215 | break; |
| 216 | default: |
| 217 | return offset; |
| 218 | break; |
| 219 | } |
| 220 | } |
| 221 | |
| 222 | // public functions |
| 223 | extern "C" |
| 224 | void osd_init(int width, int height) |
| 225 | { |
| 226 | const char *fontpath; |
| 227 | |
| 228 | osd_list_lock = SDL_CreateMutex(); |
| 229 | if (!osd_list_lock) { |
| 230 | DebugMessage(M64MSG_ERROR, "Could not create osd list lock"); |
| 231 | return; |
| 232 | } |
| 233 | |
| 234 | if (!OGLFT::Init_FT()) |
| 235 | { |
| 236 | DebugMessage(M64MSG_ERROR, "Could not initialize freetype library."); |
| 237 | return; |
| 238 | } |
| 239 | |
| 240 | fontpath = ConfigGetSharedDataFilepath(FONT_FILENAME); |
| 241 | |
| 242 | l_font = new OGLFT::Monochrome(fontpath, (float) height / 35.0f); // make font size proportional to screen height |
| 243 | |
| 244 | if(!l_font || !l_font->isValid()) |
| 245 | { |
| 246 | DebugMessage(M64MSG_ERROR, "Could not construct face from %s", fontpath); |
| 247 | return; |
| 248 | } |
| 249 | |
| 250 | // clear statics |
| 251 | for (int i = 0; i < OSD_NUM_CORNERS; i++) |
| 252 | fCornerScroll[i] = 0.0; |
| 253 | |
| 254 | glPixelStorei(GL_UNPACK_ALIGNMENT, 1); |
| 255 | #if defined(GL_RASTER_POSITION_UNCLIPPED_IBM) |
| 256 | glEnable(GL_RASTER_POSITION_UNCLIPPED_IBM); |
| 257 | #endif |
| 258 | |
| 259 | pglActiveTexture = (PTRGLACTIVETEXTURE) VidExt_GL_GetProcAddress("glActiveTexture"); |
| 260 | if (pglActiveTexture == NULL) |
| 261 | { |
| 262 | DebugMessage(M64MSG_WARNING, "OpenGL function glActiveTexture() not supported. OSD deactivated."); |
| 263 | return; |
| 264 | } |
| 265 | |
| 266 | // set initialized flag |
| 267 | l_OsdInitialized = 1; |
| 268 | } |
| 269 | |
| 270 | extern "C" |
| 271 | void osd_exit(void) |
| 272 | { |
| 273 | osd_message_t *msg, *safe; |
| 274 | |
| 275 | // delete font renderer |
| 276 | if (l_font) |
| 277 | { |
| 278 | delete l_font; |
| 279 | l_font = NULL; |
| 280 | } |
| 281 | |
| 282 | // delete message queue |
| 283 | SDL_LockMutex(osd_list_lock); |
| 284 | list_for_each_entry_safe(msg, safe, &l_messageQueue, osd_message_t, list) { |
| 285 | osd_remove_message(msg); |
| 286 | if (!msg->user_managed) |
| 287 | free(msg); |
| 288 | } |
| 289 | SDL_UnlockMutex(osd_list_lock); |
| 290 | |
| 291 | // shut down the Freetype library |
| 292 | OGLFT::Uninit_FT(); |
| 293 | |
| 294 | SDL_DestroyMutex(osd_list_lock); |
| 295 | |
| 296 | // reset initialized flag |
| 297 | l_OsdInitialized = 0; |
| 298 | } |
| 299 | |
| 300 | // renders the current osd message queue to the screen |
| 301 | extern "C" |
| 302 | void osd_render() |
| 303 | { |
| 304 | osd_message_t *msg, *safe; |
| 305 | int i; |
| 306 | |
| 307 | // if we're not initialized or list is empty, then just skip it all |
| 308 | if (!l_OsdInitialized || list_empty(&l_messageQueue)) |
| 309 | return; |
| 310 | |
| 311 | // get the viewport dimensions |
| 312 | GLint viewport[4]; |
| 313 | glGetIntegerv(GL_VIEWPORT, viewport); |
| 314 | |
| 315 | // save all the attributes |
| 316 | glPushAttrib(GL_ALL_ATTRIB_BITS); |
| 317 | bool bFragmentProg = glIsEnabled(GL_FRAGMENT_PROGRAM_ARB) != 0; |
| 318 | bool bColorArray = glIsEnabled(GL_COLOR_ARRAY) != 0; |
| 319 | bool bTexCoordArray = glIsEnabled(GL_TEXTURE_COORD_ARRAY) != 0; |
| 320 | bool bSecColorArray = glIsEnabled(GL_SECONDARY_COLOR_ARRAY) != 0; |
| 321 | |
| 322 | // deactivate all the texturing units |
| 323 | GLint iActiveTex; |
| 324 | bool bTexture2D[8]; |
| 325 | glGetIntegerv(GL_ACTIVE_TEXTURE_ARB, &iActiveTex); |
| 326 | for (i = 0; i < 8; i++) |
| 327 | { |
| 328 | pglActiveTexture(GL_TEXTURE0_ARB + i); |
| 329 | bTexture2D[i] = glIsEnabled(GL_TEXTURE_2D) != 0; |
| 330 | glDisable(GL_TEXTURE_2D); |
| 331 | } |
| 332 | |
| 333 | // save the matrices and set up new ones |
| 334 | glMatrixMode(GL_PROJECTION); |
| 335 | glPushMatrix(); |
| 336 | glLoadIdentity(); |
| 337 | gluOrtho2D(viewport[0],viewport[2],viewport[1],viewport[3]); |
| 338 | |
| 339 | glMatrixMode(GL_MODELVIEW); |
| 340 | glPushMatrix(); |
| 341 | glLoadIdentity(); |
| 342 | |
| 343 | // setup for drawing text |
| 344 | glDisable(GL_FOG); |
| 345 | glDisable(GL_LIGHTING); |
| 346 | glDisable(GL_ALPHA_TEST); |
| 347 | glDisable(GL_DEPTH_TEST); |
| 348 | glDisable(GL_CULL_FACE); |
| 349 | glDisable(GL_SCISSOR_TEST); |
| 350 | glDisable(GL_STENCIL_TEST); |
| 351 | glDisable(GL_FRAGMENT_PROGRAM_ARB); |
| 352 | glDisable(GL_COLOR_MATERIAL); |
| 353 | |
| 354 | glEnable(GL_BLEND); |
| 355 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
| 356 | |
| 357 | glDisableClientState(GL_COLOR_ARRAY); |
| 358 | glDisableClientState(GL_TEXTURE_COORD_ARRAY); |
| 359 | glDisableClientState(GL_SECONDARY_COLOR_ARRAY); |
| 360 | glShadeModel(GL_FLAT); |
| 361 | |
| 362 | // get line height if invalid |
| 363 | if (l_fLineHeight < 0.0) |
| 364 | { |
| 365 | OGLFT::BBox bbox = l_font->measure("01abjZpqRGB"); |
| 366 | l_fLineHeight = (bbox.y_max_ - bbox.y_min_) / 30.0f; |
| 367 | } |
| 368 | |
| 369 | // keeps track of next message position for each corner |
| 370 | float fCornerPos[OSD_NUM_CORNERS]; |
| 371 | for (i = 0; i < OSD_NUM_CORNERS; i++) |
| 372 | fCornerPos[i] = 0.5f * l_fLineHeight; |
| 373 | |
| 374 | SDL_LockMutex(osd_list_lock); |
| 375 | list_for_each_entry_safe(msg, safe, &l_messageQueue, osd_message_t, list) { |
| 376 | // update message state |
| 377 | if(msg->timeout[msg->state] != OSD_INFINITE_TIMEOUT && |
| 378 | ++msg->frames >= msg->timeout[msg->state]) |
| 379 | { |
| 380 | // if message is in last state, mark it for deletion and continue to the next message |
| 381 | if(msg->state >= OSD_NUM_STATES - 1) |
| 382 | { |
| 383 | if (msg->user_managed) { |
| 384 | osd_remove_message(msg); |
| 385 | } else { |
| 386 | osd_remove_message(msg); |
| 387 | free(msg); |
| 388 | } |
| 389 | |
| 390 | continue; |
| 391 | } |
| 392 | |
| 393 | // go to next state and reset frame count |
| 394 | msg->state++; |
| 395 | msg->frames = 0; |
| 396 | } |
| 397 | |
| 398 | // offset y depending on how many other messages are in the same corner |
| 399 | float fStartOffset; |
| 400 | if (msg->corner >= OSD_MIDDLE_LEFT && msg->corner <= OSD_MIDDLE_RIGHT) // don't scroll the middle messages |
| 401 | fStartOffset = fCornerPos[msg->corner]; |
| 402 | else |
| 403 | fStartOffset = fCornerPos[msg->corner] + (fCornerScroll[msg->corner] * l_fLineHeight); |
| 404 | msg->yoffset += get_message_offset(msg, fStartOffset); |
| 405 | |
| 406 | draw_message(msg, viewport[2], viewport[3]); |
| 407 | |
| 408 | msg->yoffset -= get_message_offset(msg, fStartOffset); |
| 409 | fCornerPos[msg->corner] += l_fLineHeight; |
| 410 | } |
| 411 | SDL_UnlockMutex(osd_list_lock); |
| 412 | |
| 413 | // do the scrolling |
| 414 | for (int i = 0; i < OSD_NUM_CORNERS; i++) |
| 415 | { |
| 416 | fCornerScroll[i] += 0.1f; |
| 417 | if (fCornerScroll[i] >= 0.0) |
| 418 | fCornerScroll[i] = 0.0; |
| 419 | } |
| 420 | |
| 421 | // restore the matrices |
| 422 | glMatrixMode(GL_MODELVIEW); |
| 423 | glPopMatrix(); |
| 424 | glMatrixMode(GL_PROJECTION); |
| 425 | glPopMatrix(); |
| 426 | |
| 427 | // restore the attributes |
| 428 | for (int i = 0; i < 8; i++) |
| 429 | { |
| 430 | pglActiveTexture(GL_TEXTURE0_ARB + i); |
| 431 | if (bTexture2D[i]) |
| 432 | glEnable(GL_TEXTURE_2D); |
| 433 | else |
| 434 | glDisable(GL_TEXTURE_2D); |
| 435 | } |
| 436 | pglActiveTexture(iActiveTex); |
| 437 | glPopAttrib(); |
| 438 | if (bFragmentProg) |
| 439 | glEnable(GL_FRAGMENT_PROGRAM_ARB); |
| 440 | if (bColorArray) |
| 441 | glEnableClientState(GL_COLOR_ARRAY); |
| 442 | if (bTexCoordArray) |
| 443 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); |
| 444 | if (bSecColorArray) |
| 445 | glEnableClientState(GL_SECONDARY_COLOR_ARRAY); |
| 446 | |
| 447 | glFinish(); |
| 448 | } |
| 449 | |
| 450 | // creates a new osd_message_t, adds it to the message queue and returns it in case |
| 451 | // the user wants to modify its parameters. Note, if the message can't be created, |
| 452 | // NULL is returned. |
| 453 | extern "C" |
| 454 | osd_message_t * osd_new_message(enum osd_corner eCorner, const char *fmt, ...) |
| 455 | { |
| 456 | va_list ap; |
| 457 | char buf[1024]; |
| 458 | |
| 459 | if (!l_OsdInitialized) return NULL; |
| 460 | |
| 461 | osd_message_t *msg = (osd_message_t *)malloc(sizeof(*msg)); |
| 462 | |
| 463 | if (!msg) return NULL; |
| 464 | |
| 465 | va_start(ap, fmt); |
| 466 | vsnprintf(buf, 1024, fmt, ap); |
| 467 | buf[1023] = 0; |
| 468 | va_end(ap); |
| 469 | |
| 470 | // set default values |
| 471 | memset(msg, 0, sizeof(osd_message_t)); |
| 472 | msg->text = strdup(buf); |
| 473 | msg->user_managed = 0; |
| 474 | // default to white |
| 475 | msg->color[R] = 1.; |
| 476 | msg->color[G] = 1.; |
| 477 | msg->color[B] = 1.; |
| 478 | |
| 479 | msg->sizebox[0] = 0.0; // set a null bounding box |
| 480 | msg->sizebox[1] = 0.0; |
| 481 | msg->sizebox[2] = 0.0; |
| 482 | msg->sizebox[3] = 0.0; |
| 483 | |
| 484 | msg->corner = eCorner; |
| 485 | msg->state = OSD_APPEAR; |
| 486 | fCornerScroll[eCorner] -= 1.0; // start this one before the beginning of the list and scroll it in |
| 487 | |
| 488 | msg->animation[OSD_APPEAR] = OSD_FADE; |
| 489 | msg->animation[OSD_DISPLAY] = OSD_NONE; |
| 490 | msg->animation[OSD_DISAPPEAR] = OSD_FADE; |
| 491 | |
| 492 | if (eCorner >= OSD_MIDDLE_LEFT && eCorner <= OSD_MIDDLE_RIGHT) |
| 493 | { |
| 494 | msg->timeout[OSD_APPEAR] = 20; |
| 495 | msg->timeout[OSD_DISPLAY] = 60; |
| 496 | msg->timeout[OSD_DISAPPEAR] = 20; |
| 497 | } |
| 498 | else |
| 499 | { |
| 500 | msg->timeout[OSD_APPEAR] = 20; |
| 501 | msg->timeout[OSD_DISPLAY] = 180; |
| 502 | msg->timeout[OSD_DISAPPEAR] = 40; |
| 503 | } |
| 504 | |
| 505 | // add to message queue |
| 506 | SDL_LockMutex(osd_list_lock); |
| 507 | list_add(&msg->list, &l_messageQueue); |
| 508 | SDL_UnlockMutex(osd_list_lock); |
| 509 | |
| 510 | return msg; |
| 511 | } |
| 512 | |
| 513 | // update message string |
| 514 | extern "C" |
| 515 | void osd_update_message(osd_message_t *msg, const char *fmt, ...) |
| 516 | { |
| 517 | va_list ap; |
| 518 | char buf[1024]; |
| 519 | |
| 520 | if (!l_OsdInitialized || !msg) return; |
| 521 | |
| 522 | va_start(ap, fmt); |
| 523 | vsnprintf(buf, 1024, fmt, ap); |
| 524 | buf[1023] = 0; |
| 525 | va_end(ap); |
| 526 | |
| 527 | free(msg->text); |
| 528 | msg->text = strdup(buf); |
| 529 | |
| 530 | // reset bounding box |
| 531 | msg->sizebox[0] = 0.0; |
| 532 | msg->sizebox[1] = 0.0; |
| 533 | msg->sizebox[2] = 0.0; |
| 534 | msg->sizebox[3] = 0.0; |
| 535 | |
| 536 | // reset display time counter |
| 537 | if (msg->state >= OSD_DISPLAY) |
| 538 | { |
| 539 | msg->state = OSD_DISPLAY; |
| 540 | msg->frames = 0; |
| 541 | } |
| 542 | |
| 543 | SDL_LockMutex(osd_list_lock); |
| 544 | if (!osd_message_valid(msg)) |
| 545 | list_add(&msg->list, &l_messageQueue); |
| 546 | SDL_UnlockMutex(osd_list_lock); |
| 547 | |
| 548 | } |
| 549 | |
| 550 | // remove message from message queue |
| 551 | static void osd_remove_message(osd_message_t *msg) |
| 552 | { |
| 553 | if (!l_OsdInitialized || !msg) return; |
| 554 | |
| 555 | free(msg->text); |
| 556 | msg->text = NULL; |
| 557 | list_del(&msg->list); |
| 558 | } |
| 559 | |
| 560 | // remove message from message queue and free it |
| 561 | extern "C" |
| 562 | void osd_delete_message(osd_message_t *msg) |
| 563 | { |
| 564 | if (!l_OsdInitialized || !msg) return; |
| 565 | |
| 566 | SDL_LockMutex(osd_list_lock); |
| 567 | osd_remove_message(msg); |
| 568 | free(msg); |
| 569 | SDL_UnlockMutex(osd_list_lock); |
| 570 | } |
| 571 | |
| 572 | // set message so it doesn't automatically expire in a certain number of frames. |
| 573 | extern "C" |
| 574 | void osd_message_set_static(osd_message_t *msg) |
| 575 | { |
| 576 | if (!l_OsdInitialized || !msg) return; |
| 577 | |
| 578 | msg->timeout[OSD_DISPLAY] = OSD_INFINITE_TIMEOUT; |
| 579 | msg->state = OSD_DISPLAY; |
| 580 | msg->frames = 0; |
| 581 | } |
| 582 | |
| 583 | // set message so it doesn't automatically get freed when finished transition. |
| 584 | extern "C" |
| 585 | void osd_message_set_user_managed(osd_message_t *msg) |
| 586 | { |
| 587 | if (!l_OsdInitialized || !msg) return; |
| 588 | |
| 589 | msg->user_managed = 1; |
| 590 | } |
| 591 | |
| 592 | // return message pointer if valid (in the OSD list), otherwise return NULL |
| 593 | static osd_message_t * osd_message_valid(osd_message_t *testmsg) |
| 594 | { |
| 595 | osd_message_t *msg; |
| 596 | |
| 597 | if (!l_OsdInitialized || !testmsg) return NULL; |
| 598 | |
| 599 | list_for_each_entry(msg, &l_messageQueue, osd_message_t, list) { |
| 600 | if (msg == testmsg) |
| 601 | return testmsg; |
| 602 | } |
| 603 | |
| 604 | return NULL; |
| 605 | } |
| 606 | |