Mercurial > vba-clojure
view src/common/Text.cpp @ 574:be6f46094ad0
implemented video-memory pointer logic.
| author | Robert McIntyre <rlm@mit.edu> |
|---|---|
| date | Sat, 01 Sep 2012 04:05:51 -0500 |
| parents | f9f4f1b99eed |
| children |
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1 /* FCE Ultra - NES/Famicom Emulator2 *3 * Copyright notice for this file:4 * Copyright (C) 2002 Ben Parnell5 *6 * This program is free software; you can redistribute it and/or modify7 * it under the terms of the GNU General Public License as published by8 * the Free Software Foundation; either version 2 of the License, or9 * (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 of13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the14 * GNU General Public License for more details.15 *16 * You should have received a copy of the GNU General Public License17 * along with this program; if not, write to the Free Software18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA19 */21 /* Code originally from fceu/drawing.h file, adapted by Forgotten22 */23 #include "System.h"25 bool outlinedText = true, transparentText = false;26 int textColor = 0, textMethod = 1;28 extern u32 RGB_LOW_BITS_MASK;30 static const u8 fontdata2[2048] = {31 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0x81, 0xa5, 0x81, 0xbd, 0x99, 0x81, 0x7e, 0x7e, 0xff, 0xdb, 0xff,32 0xc3, 0xe7, 0xff, 0x7e, 0x36, 0x7f, 0x7f, 0x7f, 0x3e, 0x1c, 0x08, 0x00, 0x08, 0x1c, 0x3e, 0x7f, 0x3e, 0x1c, 0x08, 0x00,33 0x1c,34 0x3e, 0x1c, 0x7f, 0x7f, 0x3e, 0x1c, 0x3e, 0x08, 0x08, 0x1c, 0x3e, 0x7f, 0x3e, 0x1c, 0x3e, 0x00, 0x00, 0x18, 0x3c, 0x3c,35 0x18,36 0x00, 0x00, 0xff, 0xff, 0xe7, 0xc3, 0xc3, 0xe7, 0xff, 0xff, 0x00, 0x3c, 0x66, 0x42, 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0x18, 0x18,180 0x00,181 0x00, 0x00, 0x00, 0xff, 0x6c, 0x6c, 0x6c, 0x6c, 0x6c, 0x6c, 0x6c, 0xfc, 0x00, 0x00, 0x00, 0x18, 0x18, 0xf8, 0x18, 0xf8,182 0x00,183 0x00, 0x00, 0x00, 0x00, 0xf8, 0x18, 0xf8, 0x18, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x6c, 0x6c, 0x6c, 0x6c, 0x6c,184 0x6c,185 0x6c, 0xff, 0x6c, 0x6c, 0x6c, 0x18, 0x18, 0xff, 0x18, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x00, 0x00,186 0x00,187 0x00, 0x00, 0x00, 0x00, 0xf8, 0x18, 0x18, 0x18, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,188 0xff,189 0xff, 0xff, 0xff, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xff,190 0xff,191 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,192 0x00, 0x00, 0x6e, 0x3b, 0x13, 0x3b, 0x6e, 0x00, 0x00, 0x1e, 0x33, 0x1f, 0x33, 0x1f, 0x03, 0x03, 0x00, 0x3f, 0x33, 0x03,193 0x03, 0x03, 0x03, 0x00, 0x00, 0x7f, 0x36, 0x36, 0x36, 0x36, 0x36, 0x00, 0x3f, 0x33, 0x06, 0x0c, 0x06, 0x33, 0x3f, 0x00,194 0x00,195 0x00, 0x7e, 0x1b, 0x1b, 0x1b, 0x0e, 0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x3e, 0x06, 0x03, 0x00, 0x6e, 0x3b, 0x18, 0x18,196 0x18,197 0x18, 0x00, 0x3f, 0x0c, 0x1e, 0x33, 0x33, 0x1e, 0x0c, 0x3f, 0x1c, 0x36, 0x63, 0x7f, 0x63, 0x36, 0x1c, 0x00, 0x1c, 0x36,198 0x63, 0x63, 0x36, 0x36, 0x77, 0x00, 0x38, 0x0c, 0x18, 0x3e, 0x33, 0x33, 0x1e, 0x00, 0x00, 0x00, 0x7e, 0xdb, 0xdb, 0x7e,199 0x00,200 0x00, 0x60, 0x30, 0x7e, 0xdb, 0xdb, 0x7e, 0x06, 0x03, 0x1c, 0x06, 0x03, 0x1f, 0x03, 0x06, 0x1c, 0x00, 0x1e, 0x33, 0x33,201 0x33,202 0x33, 0x33, 0x33, 0x00, 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x00, 0x0c, 0x0c, 0x3f, 0x0c, 0x0c, 0x00, 0x3f, 0x00,203 0x06,204 0x0c, 0x18, 0x0c, 0x06, 0x00, 0x3f, 0x00, 0x18, 0x0c, 0x06, 0x0c, 0x18, 0x00, 0x3f, 0x00, 0x70, 0xd8, 0xd8, 0x18, 0x18,205 0x18,206 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1b, 0x1b, 0x0e, 0x0c, 0x0c, 0x00, 0x3f, 0x00, 0x0c, 0x0c, 0x00, 0x00, 0x6e,207 0x3b,208 0x00, 0x6e, 0x3b, 0x00, 0x00, 0x1c, 0x36, 0x36, 0x1c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00,209 0x00,210 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0xf0, 0x30, 0x30, 0x30, 0x37, 0x36, 0x3c, 0x38, 0x1e, 0x36, 0x36, 0x36,211 0x36,212 0x00, 0x00, 0x00, 0x0e, 0x18, 0x0c, 0x06, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x3c, 0x3c, 0x3c, 0x00, 0x00, 0x00,213 0x00,214 0x00, 0x00, 0x00, 0x00, 0x00, 0x00215 };217 static void calcColors(const int colorNum, int & lo, int & hi, int & out)218 {219 int redLo, redHi, greenLo, greenHi, blueLo, blueHi;221 if (colorNum == 0 || colorNum == 1 || colorNum == 2 || colorNum == 6) // white, red, yellow, or magenta222 redLo = (0xf) << systemRedShift, redHi = (0x1f) << systemRedShift;223 else224 redLo = redHi = 0;226 if (colorNum == 0 || colorNum == 2 || colorNum == 3 || colorNum == 4) // white, yellow, green, or cyan227 greenLo = (0xf) << systemGreenShift, greenHi = (0x1f) << systemGreenShift;228 else229 greenLo = greenHi = 0;231 if (colorNum == 0 || colorNum == 4 || colorNum == 5 || colorNum == 6) // white, cyan, blue, or magenta232 blueLo = (0xf) << systemBlueShift, blueHi = (0x1f) << systemBlueShift;233 else234 blueLo = blueHi = 0;236 lo = redLo + greenLo + blueLo;237 hi = redHi + greenHi + blueHi;239 if (colorNum == 7) // black240 out = 0xffffffff; // white border241 else242 out = 0; // black border243 }245 int lastColID = 0;246 static void progressColorList(const char *& colorList, int & lo, int & hi, int & out)247 {248 if (*colorList)249 {250 if (*colorList != lastColID)251 {252 calcColors((int)(*colorList)-1, lo, hi, out);253 lastColID = *colorList;254 }255 colorList++;256 }257 else258 {259 colorList = NULL;260 }261 }263 static void drawTextInternal(u8 *screen, int pitch, int x, int y,264 const char *string, bool trans, const char *colorList = NULL)265 {266 if (colorList && !*colorList)267 colorList = NULL;269 int loCol, hiCol, outCol;270 calcColors(textColor, loCol, hiCol, outCol);272 lastColID = 0;274 const static int xd [8] = {-1, 0, 1, 1, 1, 0, -1, -1};275 const static int yd [8] = {-1, -1, -1, 0, 1, 1, 1, 0};277 screen += y*pitch;278 int inc = 2;279 switch (systemColorDepth)280 {281 case 24:282 inc = 3;283 break;284 case 32:285 inc = 4;286 break;287 }288 screen += x*inc;290 int xpos = x;291 switch (systemColorDepth)292 {293 case 16:294 {295 while (*string)296 {297 char c = *string++;298 u8 * scr = screen;300 if (colorList)301 progressColorList(colorList, loCol, hiCol, outCol);303 u16 mask = u16(~RGB_LOW_BITS_MASK);304 u16 *s = (u16 *)scr;305 for (int h = 0-1; h < 8+1; h++)306 {307 for (int w = 0-1; w < 8+1; w++, s++)308 {309 int on = (h < 0 || w < 0 || h >= 8 || w >= 8) ? 0 : (fontdata2[(c<<3)+h]>>w)&1;311 int border = 0;312 if (outlinedText)313 for (int i = 0; i < 8; i++)314 {315 int h2 = h+yd[i], w2 = w+xd[i];316 border = (h2 < 0 || w2 < 0 || h2 >= 8 || w2 >= 8) ? 0 : (fontdata2[(c<<3)+h2]>>w2)&1;317 if (border)318 break;319 }321 if (trans)322 {323 if (on)324 *s = loCol +325 ((*s & mask) >>1);326 else if (border)327 {328 *s = outCol +329 ((*s & mask) >>1);330 }331 }332 else333 {334 if (on)335 *s = hiCol;336 else if (border)337 *s = outCol;338 }339 }340 scr += pitch;341 s = (u16 *)scr;342 }343 screen += inc*8;345 xpos += 8;346 if (xpos+8 > pitch>>1) // cut off text at right boundary347 break;348 }349 break;350 }351 case 24: // TODO: verify this code's correctness352 {353 while (*string)354 {355 char c = *string++;356 u8 * scr = screen;358 if (colorList)359 progressColorList(colorList, loCol, hiCol, outCol);361 int h, w;362 u8 *s = (u8 *)scr;363 for (h = 0-1; h < 8+1; h++)364 {365 for (w = 0-1; w < 8+1; w++, s++)366 {367 int on = (h < 0 || w < 0 || h >= 8 || w >= 8) ? 0 : (fontdata2[(c<<3)+h]>>w)&1;369 int border = 0;370 if (outlinedText)371 for (int i = 0; i < 8; i++)372 {373 int h2 = h+yd[i], w2 = w+xd[i];374 border = (h2 < 0 || w2 < 0 || h2 >= 8 || w2 >= 8) ? 0 : (fontdata2[(c<<3)+h2]>>w2)&1;375 if (border)376 break;377 }379 if (trans)380 {381 if (on)382 {383 u32 color = hiCol;384 *s = ((color & 255)>>1)+(*s>>1);385 *(s+1) = (((color >> 8) & 255)>>1)+(*(s+1)>>1);386 *(s+2) = (((color >> 16) & 255)>>1)+(*(s+2)>>1);387 }388 else if (border)389 {390 u32 color = outCol;391 *s = ((color & 255)>>1)+(*s>>1);392 *(s+1) = (((color >> 8) & 255)>>1)+(*(s+1)>>1);393 *(s+2) = (((color >> 16) & 255)>>1)+(*(s+2)>>1);394 }395 }396 else397 {398 if (on)399 {400 u32 color = hiCol;401 *s = (color & 255);402 *(s+1) = (color >> 8) & 255;403 *(s+2) = (color >> 16) & 255;404 }405 else if (border)406 {407 u32 color = outCol;408 *s = (color & 255);409 *(s+1) = (color >> 8) & 255;410 *(s+2) = (color >> 16) & 255;411 }412 }413 }414 scr += pitch;415 s = (u8 *)scr;416 }417 screen += inc*8;419 xpos += 8;420 if (xpos+8 > pitch/3) // cut off text at right boundary421 break;422 }423 break;424 }425 case 32:426 {427 while (*string)428 {429 char c = *string++;430 u8 * scr = screen;432 if (colorList)433 progressColorList(colorList, loCol, hiCol, outCol);435 int h, w;436 u32 mask = 0xfefefe;437 u32 *s = (u32 *)scr;438 for (h = 0-1; h < 8+1; h++)439 {440 for (w = 0-1; w < 8+1; w++, s++)441 {442 int on = (h < 0 || w < 0 || h >= 8 || w >= 8) ? 0 : (fontdata2[(c<<3)+h]>>w)&1;444 int border = 0;445 if (outlinedText)446 for (int i = 0; i < 8; i++)447 {448 int h2 = h+yd[i], w2 = w+xd[i];449 border = (h2 < 0 || w2 < 0 || h2 >= 8 || w2 >= 8) ? 0 : (fontdata2[(c<<3)+h2]>>w2)&1;450 if (border)451 break;452 }454 if (trans)455 {456 if (on)457 *s = loCol +458 ((*s & mask)>>1);459 else if (border)460 {461 *s = outCol +462 ((*s & mask)>>1);463 }464 }465 else466 {467 if (on)468 *s = hiCol;469 else if (border)470 *s = outCol;471 }472 }473 scr += pitch;474 s = (u32 *)scr;475 }476 screen += inc*8;478 xpos += 8;479 if (xpos+8 > pitch>>2) // cut off text at right boundary480 break;481 }482 break;483 }484 }485 }487 void drawText(u8 *screen, int pitch, int x, int y, const char *string, const char *colorList)488 {489 drawTextInternal(screen, pitch, x, y, string, transparentText, colorList);490 }492 void drawTextTransp(u8 *screen, int pitch, int x, int y, const char *string, const char *colorList)493 {494 drawTextInternal(screen, pitch, x, y, string, true, colorList);495 }