1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CORE_SRC_FXGE_SKIA_FX_SKIA_BLITTER_NEW_H_ 6 #define CORE_SRC_FXGE_SKIA_FX_SKIA_BLITTER_NEW_H_ 7 8 #if defined(_SKIA_SUPPORT_) 9 class CFX_SkiaRenderer : public SkBlitter { 10 protected: 11 int m_Alpha, 12 m_Red, // Or the complementary-color, Cyan 13 m_Green, // Magenta 14 m_Blue, // Yellow 15 m_Gray; // Black 16 FX_DWORD m_Color; // FX_ARGB or FX_CMYK 17 FX_BOOL m_bFullCover; 18 int m_ProcessFilter; 19 FX_BOOL m_bRgbByteOrder; 20 21 FX_RECT m_ClipBox; 22 CFX_DIBitmap* m_pDevice; 23 CFX_DIBitmap* m_pOriDevice; 24 const CFX_ClipRgn* m_pClipRgn; 25 const CFX_DIBitmap* m_pClipMask; 26 27 uint8_t* m_pDestScan; 28 uint8_t* m_pDestExtraAlphaScan; 29 uint8_t* m_pOriScan; 30 uint8_t* m_pClipScan; 31 32 void (CFX_SkiaRenderer::*composite_span)(uint8_t*, 33 uint8_t*, 34 int, 35 int, 36 int, 37 int, 38 uint8_t, 39 int, 40 int, 41 int, 42 uint8_t*, 43 uint8_t*); 44 45 public: 46 //-------------------------------------------------------------------- 47 virtual void blitAntiH(int x, 48 int y, 49 const SkAlpha antialias[], 50 const int16_t runs[]); 51 virtual void blitH(int x, int y, int width); 52 virtual void blitV(int x, int y, int height, SkAlpha alpha); 53 virtual void blitRect(int x, int y, int width, int height); 54 virtual void blitAntiRect(int x, 55 int y, 56 int width, 57 int height, 58 SkAlpha leftAlpha, 59 SkAlpha rightAlpha); 60 61 /*------------------------------------------------------------------------------------------------------*/ 62 // A general alpha merge function (with clipping mask). Gray device. 63 void CompositeSpan1bpp_0(uint8_t* dest_scan, 64 uint8_t* ori_scan, 65 int Bpp, 66 int span_left, 67 int span_len, 68 int span_top, 69 uint8_t cover_scan, 70 int clip_top, 71 int clip_left, 72 int clip_right, 73 uint8_t* clip_scan, 74 uint8_t* dest_extra_alpha_scan); 75 void CompositeSpan1bpp_1(uint8_t* dest_scan, 76 uint8_t* ori_scan, 77 int Bpp, 78 int span_left, 79 int span_len, 80 int span_top, 81 uint8_t cover_scan, 82 int clip_top, 83 int clip_left, 84 int clip_right, 85 uint8_t* clip_scan, 86 uint8_t* dest_extra_alpha_scan); 87 void CompositeSpan1bpp_4(uint8_t* dest_scan, 88 uint8_t* ori_scan, 89 int Bpp, 90 int span_left, 91 int span_len, 92 int span_top, 93 uint8_t cover_scan, 94 int clip_top, 95 int clip_left, 96 int clip_right, 97 uint8_t* clip_scan, 98 uint8_t* dest_extra_alpha_scan); 99 void CompositeSpan1bpp_5(uint8_t* dest_scan, 100 uint8_t* ori_scan, 101 int Bpp, 102 int span_left, 103 int span_len, 104 int span_top, 105 uint8_t cover_scan, 106 int clip_top, 107 int clip_left, 108 int clip_right, 109 uint8_t* clip_scan, 110 uint8_t* dest_extra_alpha_scan); 111 void CompositeSpan1bpp_8(uint8_t* dest_scan, 112 uint8_t* ori_scan, 113 int Bpp, 114 int span_left, 115 int span_len, 116 int span_top, 117 uint8_t cover_scan, 118 int clip_top, 119 int clip_left, 120 int clip_right, 121 uint8_t* clip_scan, 122 uint8_t* dest_extra_alpha_scan); 123 void CompositeSpan1bpp_9(uint8_t* dest_scan, 124 uint8_t* ori_scan, 125 int Bpp, 126 int span_left, 127 int span_len, 128 int span_top, 129 uint8_t cover_scan, 130 int clip_top, 131 int clip_left, 132 int clip_right, 133 uint8_t* clip_scan, 134 uint8_t* dest_extra_alpha_scan); 135 void CompositeSpan1bpp_12(uint8_t* dest_scan, 136 uint8_t* ori_scan, 137 int Bpp, 138 int span_left, 139 int span_len, 140 int span_top, 141 uint8_t cover_scan, 142 int clip_top, 143 int clip_left, 144 int clip_right, 145 uint8_t* clip_scan, 146 uint8_t* dest_extra_alpha_scan); 147 void CompositeSpan1bpp_13(uint8_t* dest_scan, 148 uint8_t* ori_scan, 149 int Bpp, 150 int span_left, 151 int span_len, 152 int span_top, 153 uint8_t cover_scan, 154 int clip_top, 155 int clip_left, 156 int clip_right, 157 uint8_t* clip_scan, 158 uint8_t* dest_extra_alpha_scan); 159 160 /*--------------------------------------------------------------------------------------------------------*/ 161 162 // A general alpha merge function (with clipping mask). Gray device. 163 void CompositeSpanGray_2(uint8_t* dest_scan, 164 uint8_t* ori_scan, 165 int Bpp, 166 int span_left, 167 int span_len, 168 int span_top, 169 uint8_t cover_scan, 170 int clip_top, 171 int clip_left, 172 int clip_right, 173 uint8_t* clip_scan, 174 uint8_t* dest_extra_alpha_scan); 175 176 void CompositeSpanGray_3(uint8_t* dest_scan, 177 uint8_t* ori_scan, 178 int Bpp, 179 int span_left, 180 int span_len, 181 int span_top, 182 uint8_t cover_scan, 183 int clip_top, 184 int clip_left, 185 int clip_right, 186 uint8_t* clip_scan, 187 uint8_t* dest_extra_alpha_scan); 188 189 void CompositeSpanGray_6(uint8_t* dest_scan, 190 uint8_t* ori_scan, 191 int Bpp, 192 int span_left, 193 int span_len, 194 int span_top, 195 uint8_t cover_scan, 196 int clip_top, 197 int clip_left, 198 int clip_right, 199 uint8_t* clip_scan, 200 uint8_t* dest_extra_alpha_scan); 201 202 void CompositeSpanGray_7(uint8_t* dest_scan, 203 uint8_t* ori_scan, 204 int Bpp, 205 int span_left, 206 int span_len, 207 int span_top, 208 uint8_t cover_scan, 209 int clip_top, 210 int clip_left, 211 int clip_right, 212 uint8_t* clip_scan, 213 uint8_t* dest_extra_alpha_scan); 214 215 void CompositeSpanGray_10(uint8_t* dest_scan, 216 uint8_t* ori_scan, 217 int Bpp, 218 int span_left, 219 int span_len, 220 int span_top, 221 uint8_t cover_scan, 222 int clip_top, 223 int clip_left, 224 int clip_right, 225 uint8_t* clip_scan, 226 uint8_t* dest_extra_alpha_scan); 227 228 void CompositeSpanGray_11(uint8_t* dest_scan, 229 uint8_t* ori_scan, 230 int Bpp, 231 int span_left, 232 int span_len, 233 int span_top, 234 uint8_t cover_scan, 235 int clip_top, 236 int clip_left, 237 int clip_right, 238 uint8_t* clip_scan, 239 uint8_t* dest_extra_alpha_scan); 240 241 void CompositeSpanGray_14(uint8_t* dest_scan, 242 uint8_t* ori_scan, 243 int Bpp, 244 int span_left, 245 int span_len, 246 int span_top, 247 uint8_t cover_scan, 248 int clip_top, 249 int clip_left, 250 int clip_right, 251 uint8_t* clip_scan, 252 uint8_t* dest_extra_alpha_scan); 253 254 void CompositeSpanGray_15(uint8_t* dest_scan, 255 uint8_t* ori_scan, 256 int Bpp, 257 int span_left, 258 int span_len, 259 int span_top, 260 uint8_t cover_scan, 261 int clip_top, 262 int clip_left, 263 int clip_right, 264 uint8_t* clip_scan, 265 uint8_t* dest_extra_alpha_scan); 266 267 /*--------------------------------------------------------------------------------------------------------*/ 268 void CompositeSpanARGB_2(uint8_t* dest_scan, 269 uint8_t* ori_scan, 270 int Bpp, 271 int span_left, 272 int span_len, 273 int span_top, 274 uint8_t cover_scan, 275 int clip_top, 276 int clip_left, 277 int clip_right, 278 uint8_t* clip_scan, 279 uint8_t* dest_extra_alpha_scan); 280 281 void CompositeSpanARGB_3(uint8_t* dest_scan, 282 uint8_t* ori_scan, 283 int Bpp, 284 int span_left, 285 int span_len, 286 int span_top, 287 uint8_t cover_scan, 288 int clip_top, 289 int clip_left, 290 int clip_right, 291 uint8_t* clip_scan, 292 uint8_t* dest_extra_alpha_scan); 293 294 void CompositeSpanARGB_6(uint8_t* dest_scan, 295 uint8_t* ori_scan, 296 int Bpp, 297 int span_left, 298 int span_len, 299 int span_top, 300 uint8_t cover_scan, 301 int clip_top, 302 int clip_left, 303 int clip_right, 304 uint8_t* clip_scan, 305 uint8_t* dest_extra_alpha_scan); 306 307 void CompositeSpanARGB_7(uint8_t* dest_scan, 308 uint8_t* ori_scan, 309 int Bpp, 310 int span_left, 311 int span_len, 312 int span_top, 313 uint8_t cover_scan, 314 int clip_top, 315 int clip_left, 316 int clip_right, 317 uint8_t* clip_scan, 318 uint8_t* dest_extra_alpha_scan); 319 // ... 320 /*--------------------------------------------------------------------------------------------------------*/ 321 void CompositeSpanRGB32_2(uint8_t* dest_scan, 322 uint8_t* ori_scan, 323 int Bpp, 324 int span_left, 325 int span_len, 326 int span_top, 327 uint8_t cover_scan, 328 int clip_top, 329 int clip_left, 330 int clip_right, 331 uint8_t* clip_scan, 332 uint8_t* dest_extra_alpha_scan); 333 void CompositeSpanRGB32_3(uint8_t* dest_scan, 334 uint8_t* ori_scan, 335 int Bpp, 336 int span_left, 337 int span_len, 338 int span_top, 339 uint8_t cover_scan, 340 int clip_top, 341 int clip_left, 342 int clip_right, 343 uint8_t* clip_scan, 344 uint8_t* dest_extra_alpha_scan); 345 void CompositeSpanRGB32_6(uint8_t* dest_scan, 346 uint8_t* ori_scan, 347 int Bpp, 348 int span_left, 349 int span_len, 350 int span_top, 351 uint8_t cover_scan, 352 int clip_top, 353 int clip_left, 354 int clip_right, 355 uint8_t* clip_scan, 356 uint8_t* dest_extra_alpha_scan); 357 void CompositeSpanRGB32_7(uint8_t* dest_scan, 358 uint8_t* ori_scan, 359 int Bpp, 360 int span_left, 361 int span_len, 362 int span_top, 363 uint8_t cover_scan, 364 int clip_top, 365 int clip_left, 366 int clip_right, 367 uint8_t* clip_scan, 368 uint8_t* dest_extra_alpha_scan); 369 370 /*---------------------------------------------------------------------------------------------------------*/ 371 372 void CompositeSpanRGB24_2(uint8_t* dest_scan, 373 uint8_t* ori_scan, 374 int Bpp, 375 int span_left, 376 int span_len, 377 int span_top, 378 uint8_t cover_scan, 379 int clip_top, 380 int clip_left, 381 int clip_right, 382 uint8_t* clip_scan, 383 uint8_t* dest_extra_alpha_scan); 384 void CompositeSpanRGB24_3(uint8_t* dest_scan, 385 uint8_t* ori_scan, 386 int Bpp, 387 int span_left, 388 int span_len, 389 int span_top, 390 uint8_t cover_scan, 391 int clip_top, 392 int clip_left, 393 int clip_right, 394 uint8_t* clip_scan, 395 uint8_t* dest_extra_alpha_scan); 396 void CompositeSpanRGB24_6(uint8_t* dest_scan, 397 uint8_t* ori_scan, 398 int Bpp, 399 int span_left, 400 int span_len, 401 int span_top, 402 uint8_t cover_scan, 403 int clip_top, 404 int clip_left, 405 int clip_right, 406 uint8_t* clip_scan, 407 uint8_t* dest_extra_alpha_scan); 408 void CompositeSpanRGB24_7(uint8_t* dest_scan, 409 uint8_t* ori_scan, 410 int Bpp, 411 int span_left, 412 int span_len, 413 int span_top, 414 uint8_t cover_scan, 415 int clip_top, 416 int clip_left, 417 int clip_right, 418 uint8_t* clip_scan, 419 uint8_t* dest_extra_alpha_scan); 420 void CompositeSpanRGB24_10(uint8_t* dest_scan, 421 uint8_t* ori_scan, 422 int Bpp, 423 int span_left, 424 int span_len, 425 int span_top, 426 uint8_t cover_scan, 427 int clip_top, 428 int clip_left, 429 int clip_right, 430 uint8_t* clip_scan, 431 uint8_t* dest_extra_alpha_scan); 432 void CompositeSpanRGB24_11(uint8_t* dest_scan, 433 uint8_t* ori_scan, 434 int Bpp, 435 int span_left, 436 int span_len, 437 int span_top, 438 uint8_t cover_scan, 439 int clip_top, 440 int clip_left, 441 int clip_right, 442 uint8_t* clip_scan, 443 uint8_t* dest_extra_alpha_scan); 444 void CompositeSpanRGB24_14(uint8_t* dest_scan, 445 uint8_t* ori_scan, 446 int Bpp, 447 int span_left, 448 int span_len, 449 int span_top, 450 uint8_t cover_scan, 451 int clip_top, 452 int clip_left, 453 int clip_right, 454 uint8_t* clip_scan, 455 uint8_t* dest_extra_alpha_scan); 456 void CompositeSpanRGB24_15(uint8_t* dest_scan, 457 uint8_t* ori_scan, 458 int Bpp, 459 int span_left, 460 int span_len, 461 int span_top, 462 uint8_t cover_scan, 463 int clip_top, 464 int clip_left, 465 int clip_right, 466 uint8_t* clip_scan, 467 uint8_t* dest_extra_alpha_scan); 468 469 /*----------------------------------------------------------------------------------------------------------*/ 470 471 // A general alpha merge function (with clipping mask). Cmyka/Cmyk device. 472 void CompositeSpanCMYK(uint8_t* dest_scan, 473 uint8_t* ori_scan, 474 int Bpp, 475 int span_left, 476 int span_len, 477 int span_top, 478 uint8_t cover_scan, 479 int clip_top, 480 int clip_left, 481 int clip_right, 482 uint8_t* clip_scan, 483 uint8_t* dest_extra_alpha_scan); 484 485 //-------------------------------------------------------------------- 486 FX_BOOL Init(CFX_DIBitmap* pDevice, 487 CFX_DIBitmap* pOriDevice, 488 const CFX_ClipRgn* pClipRgn, 489 FX_DWORD color, 490 FX_BOOL bFullCover, 491 FX_BOOL bRgbByteOrder, 492 int alpha_flag = 0, 493 void* pIccTransform = 494 NULL); // The alpha flag must be fill_flag if exist. 495 }; 496 class CFX_SkiaA8Renderer : public SkBlitter { 497 public: 498 //-------------------------------------------------------------------- 499 virtual void blitAntiH(int x, 500 int y, 501 const SkAlpha antialias[], 502 const int16_t runs[]); 503 virtual void blitH(int x, int y, int width); 504 virtual void blitV(int x, int y, int height, SkAlpha alpha); 505 virtual void blitRect(int x, int y, int width, int height); 506 virtual void blitAntiRect(int x, 507 int y, 508 int width, 509 int height, 510 SkAlpha leftAlpha, 511 SkAlpha rightAlpha); 512 //-------------------------------------------------------------------- 513 FX_BOOL Init(CFX_DIBitmap* pDevice, int Left, int Top); 514 CFX_DIBitmap* m_pDevice; 515 int m_Left; 516 int m_Top; 517 int m_dstWidth; 518 int m_dstHeight; 519 }; 520 #endif 521 522 #endif // CORE_SRC_FXGE_SKIA_FX_SKIA_BLITTER_NEW_H_ 523