1 /** @file 2 Implementation for EFI_HII_FONT_PROTOCOL. 3 4 5 Copyright (c) 2007 - 2015, Intel Corporation. All rights reserved.<BR> 6 This program and the accompanying materials 7 are licensed and made available under the terms and conditions of the BSD License 8 which accompanies this distribution. The full text of the license may be found at 9 http://opensource.org/licenses/bsd-license.php 10 11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 13 14 **/ 15 16 17 #include "HiiDatabase.h" 18 19 EFI_GRAPHICS_OUTPUT_BLT_PIXEL mHiiEfiColors[16] = { 20 // 21 // B G R 22 // 23 {0x00, 0x00, 0x00, 0x00}, // BLACK 24 {0x98, 0x00, 0x00, 0x00}, // BLUE 25 {0x00, 0x98, 0x00, 0x00}, // GREEN 26 {0x98, 0x98, 0x00, 0x00}, // CYAN 27 {0x00, 0x00, 0x98, 0x00}, // RED 28 {0x98, 0x00, 0x98, 0x00}, // MAGENTA 29 {0x00, 0x98, 0x98, 0x00}, // BROWN 30 {0x98, 0x98, 0x98, 0x00}, // LIGHTGRAY 31 {0x30, 0x30, 0x30, 0x00}, // DARKGRAY - BRIGHT BLACK 32 {0xff, 0x00, 0x00, 0x00}, // LIGHTBLUE 33 {0x00, 0xff, 0x00, 0x00}, // LIGHTGREEN 34 {0xff, 0xff, 0x00, 0x00}, // LIGHTCYAN 35 {0x00, 0x00, 0xff, 0x00}, // LIGHTRED 36 {0xff, 0x00, 0xff, 0x00}, // LIGHTMAGENTA 37 {0x00, 0xff, 0xff, 0x00}, // YELLOW 38 {0xff, 0xff, 0xff, 0x00}, // WHITE 39 }; 40 41 42 /** 43 Insert a character cell information to the list specified by GlyphInfoList. 44 45 This is a internal function. 46 47 @param CharValue Unicode character value, which identifies a glyph 48 block. 49 @param GlyphInfoList HII_GLYPH_INFO list head. 50 @param Cell Incoming character cell information. 51 52 @retval EFI_SUCCESS Cell information is added to the GlyphInfoList. 53 @retval EFI_OUT_OF_RESOURCES The system is out of resources to accomplish the 54 task. 55 56 **/ 57 EFI_STATUS 58 NewCell ( 59 IN CHAR16 CharValue, 60 IN LIST_ENTRY *GlyphInfoList, 61 IN EFI_HII_GLYPH_INFO *Cell 62 ) 63 { 64 HII_GLYPH_INFO *GlyphInfo; 65 66 ASSERT (Cell != NULL && GlyphInfoList != NULL); 67 68 GlyphInfo = (HII_GLYPH_INFO *) AllocateZeroPool (sizeof (HII_GLYPH_INFO)); 69 if (GlyphInfo == NULL) { 70 return EFI_OUT_OF_RESOURCES; 71 } 72 73 // 74 // GlyphInfoList stores a list of default character cell information, each is 75 // identified by "CharId". 76 // 77 GlyphInfo->Signature = HII_GLYPH_INFO_SIGNATURE; 78 GlyphInfo->CharId = CharValue; 79 if (Cell->AdvanceX == 0) { 80 Cell->AdvanceX = Cell->Width; 81 } 82 CopyMem (&GlyphInfo->Cell, Cell, sizeof (EFI_HII_GLYPH_INFO)); 83 InsertTailList (GlyphInfoList, &GlyphInfo->Entry); 84 85 return EFI_SUCCESS; 86 } 87 88 89 /** 90 Get a character cell information from the list specified by GlyphInfoList. 91 92 This is a internal function. 93 94 @param CharValue Unicode character value, which identifies a glyph 95 block. 96 @param GlyphInfoList HII_GLYPH_INFO list head. 97 @param Cell Buffer which stores output character cell 98 information. 99 100 @retval EFI_SUCCESS Cell information is added to the GlyphInfoList. 101 @retval EFI_NOT_FOUND The character info specified by CharValue does 102 not exist. 103 104 **/ 105 EFI_STATUS 106 GetCell ( 107 IN CHAR16 CharValue, 108 IN LIST_ENTRY *GlyphInfoList, 109 OUT EFI_HII_GLYPH_INFO *Cell 110 ) 111 { 112 HII_GLYPH_INFO *GlyphInfo; 113 LIST_ENTRY *Link; 114 115 ASSERT (Cell != NULL && GlyphInfoList != NULL); 116 117 // 118 // Since the EFI_HII_GIBT_DEFAULTS block won't increment CharValueCurrent, 119 // the value of "CharId" of a default character cell which is used for a 120 // EFI_HII_GIBT_GLYPH_DEFAULT or EFI_HII_GIBT_GLYPHS_DEFAULT should be 121 // less or equal to the value of "CharValueCurrent" of this default block. 122 // 123 // For instance, if the CharId of a GlyphInfoList is {1, 3, 7}, a default glyph 124 // with CharValue equals "7" uses the GlyphInfo with CharId = 7; 125 // a default glyph with CharValue equals "6" uses the GlyphInfo with CharId = 3. 126 // 127 for (Link = GlyphInfoList->BackLink; Link != GlyphInfoList; Link = Link->BackLink) { 128 GlyphInfo = CR (Link, HII_GLYPH_INFO, Entry, HII_GLYPH_INFO_SIGNATURE); 129 if (GlyphInfo->CharId <= CharValue) { 130 CopyMem (Cell, &GlyphInfo->Cell, sizeof (EFI_HII_GLYPH_INFO)); 131 return EFI_SUCCESS; 132 } 133 } 134 135 return EFI_NOT_FOUND; 136 } 137 138 139 /** 140 Convert the glyph for a single character into a bitmap. 141 142 This is a internal function. 143 144 @param Private HII database driver private data. 145 @param Char Character to retrieve. 146 @param StringInfo Points to the string font and color information 147 or NULL if the string should use the default 148 system font and color. 149 @param GlyphBuffer Buffer to store the retrieved bitmap data. 150 @param Cell Points to EFI_HII_GLYPH_INFO structure. 151 @param Attributes If not NULL, output the glyph attributes if any. 152 153 @retval EFI_SUCCESS Glyph bitmap outputted. 154 @retval EFI_OUT_OF_RESOURCES Unable to allocate the output buffer GlyphBuffer. 155 @retval EFI_NOT_FOUND The glyph was unknown can not be found. 156 @retval EFI_INVALID_PARAMETER Any input parameter is invalid. 157 158 **/ 159 EFI_STATUS 160 GetGlyphBuffer ( 161 IN HII_DATABASE_PRIVATE_DATA *Private, 162 IN CHAR16 Char, 163 IN EFI_FONT_INFO *StringInfo, 164 OUT UINT8 **GlyphBuffer, 165 OUT EFI_HII_GLYPH_INFO *Cell, 166 OUT UINT8 *Attributes OPTIONAL 167 ) 168 { 169 HII_DATABASE_RECORD *Node; 170 LIST_ENTRY *Link; 171 HII_SIMPLE_FONT_PACKAGE_INSTANCE *SimpleFont; 172 LIST_ENTRY *Link1; 173 UINT16 Index; 174 EFI_NARROW_GLYPH Narrow; 175 EFI_WIDE_GLYPH Wide; 176 HII_GLOBAL_FONT_INFO *GlobalFont; 177 UINTN HeaderSize; 178 EFI_NARROW_GLYPH *NarrowPtr; 179 EFI_WIDE_GLYPH *WidePtr; 180 181 if (GlyphBuffer == NULL || Cell == NULL) { 182 return EFI_INVALID_PARAMETER; 183 } 184 if (Private == NULL || Private->Signature != HII_DATABASE_PRIVATE_DATA_SIGNATURE) { 185 return EFI_INVALID_PARAMETER; 186 } 187 188 ZeroMem (Cell, sizeof (EFI_HII_GLYPH_INFO)); 189 190 // 191 // If StringInfo is not NULL, it must point to an existing EFI_FONT_INFO rather 192 // than system default font and color. 193 // If NULL, try to find the character in simplified font packages since 194 // default system font is the fixed font (narrow or wide glyph). 195 // 196 if (StringInfo != NULL) { 197 if(!IsFontInfoExisted (Private, StringInfo, NULL, NULL, &GlobalFont)) { 198 return EFI_INVALID_PARAMETER; 199 } 200 if (Attributes != NULL) { 201 *Attributes = PROPORTIONAL_GLYPH; 202 } 203 return FindGlyphBlock (GlobalFont->FontPackage, Char, GlyphBuffer, Cell, NULL); 204 } else { 205 HeaderSize = sizeof (EFI_HII_SIMPLE_FONT_PACKAGE_HDR); 206 207 for (Link = Private->DatabaseList.ForwardLink; Link != &Private->DatabaseList; Link = Link->ForwardLink) { 208 Node = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE); 209 for (Link1 = Node->PackageList->SimpleFontPkgHdr.ForwardLink; 210 Link1 != &Node->PackageList->SimpleFontPkgHdr; 211 Link1 = Link1->ForwardLink 212 ) { 213 SimpleFont = CR (Link1, HII_SIMPLE_FONT_PACKAGE_INSTANCE, SimpleFontEntry, HII_S_FONT_PACKAGE_SIGNATURE); 214 // 215 // Search the narrow glyph array 216 // 217 NarrowPtr = (EFI_NARROW_GLYPH *) ((UINT8 *) (SimpleFont->SimpleFontPkgHdr) + HeaderSize); 218 for (Index = 0; Index < SimpleFont->SimpleFontPkgHdr->NumberOfNarrowGlyphs; Index++) { 219 CopyMem (&Narrow, NarrowPtr + Index,sizeof (EFI_NARROW_GLYPH)); 220 if (Narrow.UnicodeWeight == Char) { 221 *GlyphBuffer = (UINT8 *) AllocateZeroPool (EFI_GLYPH_HEIGHT); 222 if (*GlyphBuffer == NULL) { 223 return EFI_OUT_OF_RESOURCES; 224 } 225 Cell->Width = EFI_GLYPH_WIDTH; 226 Cell->Height = EFI_GLYPH_HEIGHT; 227 Cell->AdvanceX = Cell->Width; 228 CopyMem (*GlyphBuffer, Narrow.GlyphCol1, Cell->Height); 229 if (Attributes != NULL) { 230 *Attributes = (UINT8) (Narrow.Attributes | NARROW_GLYPH); 231 } 232 return EFI_SUCCESS; 233 } 234 } 235 // 236 // Search the wide glyph array 237 // 238 WidePtr = (EFI_WIDE_GLYPH *) (NarrowPtr + SimpleFont->SimpleFontPkgHdr->NumberOfNarrowGlyphs); 239 for (Index = 0; Index < SimpleFont->SimpleFontPkgHdr->NumberOfWideGlyphs; Index++) { 240 CopyMem (&Wide, WidePtr + Index, sizeof (EFI_WIDE_GLYPH)); 241 if (Wide.UnicodeWeight == Char) { 242 *GlyphBuffer = (UINT8 *) AllocateZeroPool (EFI_GLYPH_HEIGHT * 2); 243 if (*GlyphBuffer == NULL) { 244 return EFI_OUT_OF_RESOURCES; 245 } 246 Cell->Width = EFI_GLYPH_WIDTH * 2; 247 Cell->Height = EFI_GLYPH_HEIGHT; 248 Cell->AdvanceX = Cell->Width; 249 CopyMem (*GlyphBuffer, Wide.GlyphCol1, EFI_GLYPH_HEIGHT); 250 CopyMem (*GlyphBuffer + EFI_GLYPH_HEIGHT, Wide.GlyphCol2, EFI_GLYPH_HEIGHT); 251 if (Attributes != NULL) { 252 *Attributes = (UINT8) (Wide.Attributes | EFI_GLYPH_WIDE); 253 } 254 return EFI_SUCCESS; 255 } 256 } 257 } 258 } 259 } 260 261 return EFI_NOT_FOUND; 262 } 263 264 /** 265 Convert bitmap data of the glyph to blt structure. 266 267 This is a internal function. 268 269 @param GlyphBuffer Buffer points to bitmap data of glyph. 270 @param Foreground The color of the "on" pixels in the glyph in the 271 bitmap. 272 @param Background The color of the "off" pixels in the glyph in the 273 bitmap. 274 @param ImageWidth Width of the whole image in pixels. 275 @param RowWidth The width of the text on the line, in pixels. 276 @param RowHeight The height of the line, in pixels. 277 @param Transparent If TRUE, the Background color is ignored and all 278 "off" pixels in the character's drawn wil use the 279 pixel value from BltBuffer. 280 @param Origin On input, points to the origin of the to be 281 displayed character, on output, points to the 282 next glyph's origin. 283 284 **/ 285 VOID 286 NarrowGlyphToBlt ( 287 IN UINT8 *GlyphBuffer, 288 IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL Foreground, 289 IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background, 290 IN UINT16 ImageWidth, 291 IN UINTN RowWidth, 292 IN UINTN RowHeight, 293 IN BOOLEAN Transparent, 294 IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL **Origin 295 ) 296 { 297 UINT8 Xpos; 298 UINT8 Ypos; 299 UINT8 Height; 300 UINT8 Width; 301 EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Buffer; 302 303 ASSERT (GlyphBuffer != NULL && Origin != NULL && *Origin != NULL); 304 305 Height = EFI_GLYPH_HEIGHT; 306 Width = EFI_GLYPH_WIDTH; 307 308 // 309 // Move position to the left-top corner of char. 310 // 311 Buffer = *Origin - EFI_GLYPH_HEIGHT * ImageWidth; 312 313 // 314 // Char may be partially displayed when CLIP_X or CLIP_Y is not set. 315 // 316 if (RowHeight < Height) { 317 Height = (UINT8) RowHeight; 318 } 319 if (RowWidth < Width) { 320 Width = (UINT8) RowWidth; 321 } 322 323 for (Ypos = 0; Ypos < Height; Ypos++) { 324 for (Xpos = 0; Xpos < Width; Xpos++) { 325 if ((GlyphBuffer[Ypos] & (1 << (EFI_GLYPH_WIDTH - Xpos - 1))) != 0) { 326 Buffer[Ypos * ImageWidth + Xpos] = Foreground; 327 } else { 328 if (!Transparent) { 329 Buffer[Ypos * ImageWidth + Xpos] = Background; 330 } 331 } 332 } 333 } 334 335 *Origin = *Origin + EFI_GLYPH_WIDTH; 336 } 337 338 339 /** 340 Convert bitmap data of the glyph to blt structure. 341 342 This is a internal function. 343 344 @param GlyphBuffer Buffer points to bitmap data of glyph. 345 @param Foreground The color of the "on" pixels in the glyph in the 346 bitmap. 347 @param Background The color of the "off" pixels in the glyph in the 348 bitmap. 349 @param ImageWidth Width of the whole image in pixels. 350 @param BaseLine BaseLine in the line. 351 @param RowWidth The width of the text on the line, in pixels. 352 @param RowHeight The height of the line, in pixels. 353 @param Transparent If TRUE, the Background color is ignored and all 354 "off" pixels in the character's drawn wil use the 355 pixel value from BltBuffer. 356 @param Cell Points to EFI_HII_GLYPH_INFO structure. 357 @param Attributes The attribute of incoming glyph in GlyphBuffer. 358 @param Origin On input, points to the origin of the to be 359 displayed character, on output, points to the 360 next glyph's origin. 361 362 363 **/ 364 VOID 365 GlyphToBlt ( 366 IN UINT8 *GlyphBuffer, 367 IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL Foreground, 368 IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background, 369 IN UINT16 ImageWidth, 370 IN UINT16 BaseLine, 371 IN UINTN RowWidth, 372 IN UINTN RowHeight, 373 IN BOOLEAN Transparent, 374 IN CONST EFI_HII_GLYPH_INFO *Cell, 375 IN UINT8 Attributes, 376 IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL **Origin 377 ) 378 { 379 UINT16 Xpos; 380 UINT16 Ypos; 381 UINT8 Data; 382 UINT16 Index; 383 UINT16 YposOffset; 384 UINTN OffsetY; 385 EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer; 386 387 ASSERT (Origin != NULL && *Origin != NULL && Cell != NULL); 388 389 // 390 // Only adjust origin position if char has no bitmap. 391 // 392 if (GlyphBuffer == NULL) { 393 *Origin = *Origin + Cell->AdvanceX; 394 return; 395 } 396 // 397 // Move position to the left-top corner of char. 398 // 399 BltBuffer = *Origin + Cell->OffsetX - (Cell->OffsetY + Cell->Height) * ImageWidth; 400 YposOffset = (UINT16) (BaseLine - (Cell->OffsetY + Cell->Height)); 401 402 // 403 // Since non-spacing key will be printed OR'd with the previous glyph, don't 404 // write 0. 405 // 406 if ((Attributes & EFI_GLYPH_NON_SPACING) == EFI_GLYPH_NON_SPACING) { 407 Transparent = TRUE; 408 } 409 410 // 411 // The glyph's upper left hand corner pixel is the most significant bit of the 412 // first bitmap byte. 413 // 414 for (Ypos = 0; Ypos < Cell->Height && ((UINTN) (Ypos + YposOffset) < RowHeight); Ypos++) { 415 OffsetY = BITMAP_LEN_1_BIT (Cell->Width, Ypos); 416 417 // 418 // All bits in these bytes are meaningful. 419 // 420 for (Xpos = 0; Xpos < Cell->Width / 8; Xpos++) { 421 Data = *(GlyphBuffer + OffsetY + Xpos); 422 for (Index = 0; Index < 8 && ((UINTN) (Xpos * 8 + Index + Cell->OffsetX) < RowWidth); Index++) { 423 if ((Data & (1 << (8 - Index - 1))) != 0) { 424 BltBuffer[Ypos * ImageWidth + Xpos * 8 + Index] = Foreground; 425 } else { 426 if (!Transparent) { 427 BltBuffer[Ypos * ImageWidth + Xpos * 8 + Index] = Background; 428 } 429 } 430 } 431 } 432 433 if (Cell->Width % 8 != 0) { 434 // 435 // There are some padding bits in this byte. Ignore them. 436 // 437 Data = *(GlyphBuffer + OffsetY + Xpos); 438 for (Index = 0; Index < Cell->Width % 8 && ((UINTN) (Xpos * 8 + Index + Cell->OffsetX) < RowWidth); Index++) { 439 if ((Data & (1 << (8 - Index - 1))) != 0) { 440 BltBuffer[Ypos * ImageWidth + Xpos * 8 + Index] = Foreground; 441 } else { 442 if (!Transparent) { 443 BltBuffer[Ypos * ImageWidth + Xpos * 8 + Index] = Background; 444 } 445 } 446 } 447 } // end of if (Width % 8...) 448 449 } // end of for (Ypos=0...) 450 451 *Origin = *Origin + Cell->AdvanceX; 452 } 453 454 455 /** 456 Convert bitmap data of the glyph to blt structure. 457 458 This is a internal function. 459 460 @param GlyphBuffer Buffer points to bitmap data of glyph. 461 @param Foreground The color of the "on" pixels in the glyph in the 462 bitmap. 463 @param Background The color of the "off" pixels in the glyph in the 464 bitmap. 465 @param ImageWidth Width of the whole image in pixels. 466 @param BaseLine BaseLine in the line. 467 @param RowWidth The width of the text on the line, in pixels. 468 @param RowHeight The height of the line, in pixels. 469 @param Transparent If TRUE, the Background color is ignored and all 470 "off" pixels in the character's drawn wil use the 471 pixel value from BltBuffer. 472 @param Cell Points to EFI_HII_GLYPH_INFO structure. 473 @param Attributes The attribute of incoming glyph in GlyphBuffer. 474 @param Origin On input, points to the origin of the to be 475 displayed character, on output, points to the 476 next glyph's origin. 477 478 @return Points to the address of next origin node in BltBuffer. 479 480 **/ 481 VOID 482 GlyphToImage ( 483 IN UINT8 *GlyphBuffer, 484 IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL Foreground, 485 IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background, 486 IN UINT16 ImageWidth, 487 IN UINT16 BaseLine, 488 IN UINTN RowWidth, 489 IN UINTN RowHeight, 490 IN BOOLEAN Transparent, 491 IN CONST EFI_HII_GLYPH_INFO *Cell, 492 IN UINT8 Attributes, 493 IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL **Origin 494 ) 495 { 496 EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Buffer; 497 498 ASSERT (Origin != NULL && *Origin != NULL && Cell != NULL); 499 500 Buffer = *Origin; 501 502 if ((Attributes & EFI_GLYPH_NON_SPACING) == EFI_GLYPH_NON_SPACING) { 503 // 504 // This character is a non-spacing key, print it OR'd with the previous glyph. 505 // without advancing cursor. 506 // 507 Buffer -= Cell->AdvanceX; 508 GlyphToBlt ( 509 GlyphBuffer, 510 Foreground, 511 Background, 512 ImageWidth, 513 BaseLine, 514 RowWidth, 515 RowHeight, 516 Transparent, 517 Cell, 518 Attributes, 519 &Buffer 520 ); 521 522 } else if ((Attributes & EFI_GLYPH_WIDE) == EFI_GLYPH_WIDE) { 523 // 524 // This character is wide glyph, i.e. 16 pixels * 19 pixels. 525 // Draw it as two narrow glyphs. 526 // 527 NarrowGlyphToBlt ( 528 GlyphBuffer, 529 Foreground, 530 Background, 531 ImageWidth, 532 RowWidth, 533 RowHeight, 534 Transparent, 535 Origin 536 ); 537 538 NarrowGlyphToBlt ( 539 GlyphBuffer + EFI_GLYPH_HEIGHT, 540 Foreground, 541 Background, 542 ImageWidth, 543 RowWidth, 544 RowHeight, 545 Transparent, 546 Origin 547 ); 548 549 } else if ((Attributes & NARROW_GLYPH) == NARROW_GLYPH) { 550 // 551 // This character is narrow glyph, i.e. 8 pixels * 19 pixels. 552 // 553 NarrowGlyphToBlt ( 554 GlyphBuffer, 555 Foreground, 556 Background, 557 ImageWidth, 558 RowWidth, 559 RowHeight, 560 Transparent, 561 Origin 562 ); 563 564 } else if ((Attributes & PROPORTIONAL_GLYPH) == PROPORTIONAL_GLYPH) { 565 // 566 // This character is proportional glyph, i.e. Cell->Width * Cell->Height pixels. 567 // 568 GlyphToBlt ( 569 GlyphBuffer, 570 Foreground, 571 Background, 572 ImageWidth, 573 BaseLine, 574 RowWidth, 575 RowHeight, 576 Transparent, 577 Cell, 578 Attributes, 579 Origin 580 ); 581 } 582 } 583 584 585 /** 586 Write the output parameters of FindGlyphBlock(). 587 588 This is a internal function. 589 590 @param BufferIn Buffer which stores the bitmap data of the found 591 block. 592 @param BufferLen Length of BufferIn. 593 @param InputCell Buffer which stores cell information of the 594 encoded bitmap. 595 @param GlyphBuffer Output the corresponding bitmap data of the found 596 block. It is the caller's responsiblity to free 597 this buffer. 598 @param Cell Output cell information of the encoded bitmap. 599 @param GlyphBufferLen If not NULL, output the length of GlyphBuffer. 600 601 @retval EFI_SUCCESS The operation is performed successfully. 602 @retval EFI_INVALID_PARAMETER Any input parameter is invalid. 603 @retval EFI_OUT_OF_RESOURCES The system is out of resources to accomplish the 604 task. 605 606 **/ 607 EFI_STATUS 608 WriteOutputParam ( 609 IN UINT8 *BufferIn, 610 IN UINTN BufferLen, 611 IN EFI_HII_GLYPH_INFO *InputCell, 612 OUT UINT8 **GlyphBuffer, OPTIONAL 613 OUT EFI_HII_GLYPH_INFO *Cell, OPTIONAL 614 OUT UINTN *GlyphBufferLen OPTIONAL 615 ) 616 { 617 if (BufferIn == NULL || InputCell == NULL) { 618 return EFI_INVALID_PARAMETER; 619 } 620 621 if (Cell != NULL) { 622 CopyMem (Cell, InputCell, sizeof (EFI_HII_GLYPH_INFO)); 623 } 624 625 if (GlyphBuffer != NULL && BufferLen > 0) { 626 *GlyphBuffer = (UINT8 *) AllocateZeroPool (BufferLen); 627 if (*GlyphBuffer == NULL) { 628 return EFI_OUT_OF_RESOURCES; 629 } 630 CopyMem (*GlyphBuffer, BufferIn, BufferLen); 631 } 632 633 if (GlyphBufferLen != NULL) { 634 *GlyphBufferLen = BufferLen; 635 } 636 637 return EFI_SUCCESS; 638 } 639 640 641 /** 642 Parse all glyph blocks to find a glyph block specified by CharValue. 643 If CharValue = (CHAR16) (-1), collect all default character cell information 644 within this font package and backup its information. 645 646 @param FontPackage Hii string package instance. 647 @param CharValue Unicode character value, which identifies a glyph 648 block. 649 @param GlyphBuffer Output the corresponding bitmap data of the found 650 block. It is the caller's responsiblity to free 651 this buffer. 652 @param Cell Output cell information of the encoded bitmap. 653 @param GlyphBufferLen If not NULL, output the length of GlyphBuffer. 654 655 @retval EFI_SUCCESS The bitmap data is retrieved successfully. 656 @retval EFI_NOT_FOUND The specified CharValue does not exist in current 657 database. 658 @retval EFI_OUT_OF_RESOURCES The system is out of resources to accomplish the 659 task. 660 661 **/ 662 EFI_STATUS 663 FindGlyphBlock ( 664 IN HII_FONT_PACKAGE_INSTANCE *FontPackage, 665 IN CHAR16 CharValue, 666 OUT UINT8 **GlyphBuffer, OPTIONAL 667 OUT EFI_HII_GLYPH_INFO *Cell, OPTIONAL 668 OUT UINTN *GlyphBufferLen OPTIONAL 669 ) 670 { 671 EFI_STATUS Status; 672 UINT8 *BlockPtr; 673 UINT16 CharCurrent; 674 UINT16 Length16; 675 UINT32 Length32; 676 EFI_HII_GIBT_GLYPHS_BLOCK Glyphs; 677 UINTN BufferLen; 678 UINT16 Index; 679 EFI_HII_GLYPH_INFO DefaultCell; 680 EFI_HII_GLYPH_INFO LocalCell; 681 INT16 MinOffsetY; 682 UINT16 BaseLine; 683 684 ASSERT (FontPackage != NULL); 685 ASSERT (FontPackage->Signature == HII_FONT_PACKAGE_SIGNATURE); 686 BaseLine = 0; 687 MinOffsetY = 0; 688 689 if (CharValue == (CHAR16) (-1)) { 690 // 691 // Collect the cell information specified in font package fixed header. 692 // Use CharValue =0 to represent this particular cell. 693 // 694 Status = NewCell ( 695 0, 696 &FontPackage->GlyphInfoList, 697 (EFI_HII_GLYPH_INFO *) ((UINT8 *) FontPackage->FontPkgHdr + 3 * sizeof (UINT32)) 698 ); 699 if (EFI_ERROR (Status)) { 700 return Status; 701 } 702 CopyMem ( 703 &LocalCell, 704 (UINT8 *) FontPackage->FontPkgHdr + 3 * sizeof (UINT32), 705 sizeof (EFI_HII_GLYPH_INFO) 706 ); 707 BaseLine = (UINT16) (LocalCell.Height + LocalCell.OffsetY); 708 if (MinOffsetY > LocalCell.OffsetY) { 709 MinOffsetY = LocalCell.OffsetY; 710 } 711 } 712 713 BlockPtr = FontPackage->GlyphBlock; 714 CharCurrent = 1; 715 BufferLen = 0; 716 717 while (*BlockPtr != EFI_HII_GIBT_END) { 718 switch (*BlockPtr) { 719 case EFI_HII_GIBT_DEFAULTS: 720 // 721 // Collect all default character cell information specified by 722 // EFI_HII_GIBT_DEFAULTS. 723 // 724 if (CharValue == (CHAR16) (-1)) { 725 Status = NewCell ( 726 CharCurrent, 727 &FontPackage->GlyphInfoList, 728 (EFI_HII_GLYPH_INFO *) (BlockPtr + sizeof (EFI_HII_GLYPH_BLOCK)) 729 ); 730 if (EFI_ERROR (Status)) { 731 return Status; 732 } 733 CopyMem ( 734 &LocalCell, 735 BlockPtr + sizeof (EFI_HII_GLYPH_BLOCK), 736 sizeof (EFI_HII_GLYPH_INFO) 737 ); 738 if (BaseLine < LocalCell.Height + LocalCell.OffsetY) { 739 BaseLine = (UINT16) (LocalCell.Height + LocalCell.OffsetY); 740 } 741 if (MinOffsetY > LocalCell.OffsetY) { 742 MinOffsetY = LocalCell.OffsetY; 743 } 744 } 745 BlockPtr += sizeof (EFI_HII_GIBT_DEFAULTS_BLOCK); 746 break; 747 748 case EFI_HII_GIBT_DUPLICATE: 749 if (CharCurrent == CharValue) { 750 CopyMem (&CharValue, BlockPtr + sizeof (EFI_HII_GLYPH_BLOCK), sizeof (CHAR16)); 751 CharCurrent = 1; 752 BlockPtr = FontPackage->GlyphBlock; 753 continue; 754 } 755 CharCurrent++; 756 BlockPtr += sizeof (EFI_HII_GIBT_DUPLICATE_BLOCK); 757 break; 758 759 case EFI_HII_GIBT_EXT1: 760 BlockPtr += *(UINT8*)((UINTN)BlockPtr + sizeof (EFI_HII_GLYPH_BLOCK) + sizeof (UINT8)); 761 break; 762 case EFI_HII_GIBT_EXT2: 763 CopyMem ( 764 &Length16, 765 (UINT8*)((UINTN)BlockPtr + sizeof (EFI_HII_GLYPH_BLOCK) + sizeof (UINT8)), 766 sizeof (UINT16) 767 ); 768 BlockPtr += Length16; 769 break; 770 case EFI_HII_GIBT_EXT4: 771 CopyMem ( 772 &Length32, 773 (UINT8*)((UINTN)BlockPtr + sizeof (EFI_HII_GLYPH_BLOCK) + sizeof (UINT8)), 774 sizeof (UINT32) 775 ); 776 BlockPtr += Length32; 777 break; 778 779 case EFI_HII_GIBT_GLYPH: 780 CopyMem ( 781 &LocalCell, 782 BlockPtr + sizeof (EFI_HII_GLYPH_BLOCK), 783 sizeof (EFI_HII_GLYPH_INFO) 784 ); 785 if (CharValue == (CHAR16) (-1)) { 786 if (BaseLine < LocalCell.Height + LocalCell.OffsetY) { 787 BaseLine = (UINT16) (LocalCell.Height + LocalCell.OffsetY); 788 } 789 if (MinOffsetY > LocalCell.OffsetY) { 790 MinOffsetY = LocalCell.OffsetY; 791 } 792 } 793 BufferLen = BITMAP_LEN_1_BIT (LocalCell.Width, LocalCell.Height); 794 if (CharCurrent == CharValue) { 795 return WriteOutputParam ( 796 (UINT8*)((UINTN)BlockPtr + sizeof (EFI_HII_GIBT_GLYPH_BLOCK) - sizeof (UINT8)), 797 BufferLen, 798 &LocalCell, 799 GlyphBuffer, 800 Cell, 801 GlyphBufferLen 802 ); 803 } 804 CharCurrent++; 805 BlockPtr += sizeof (EFI_HII_GIBT_GLYPH_BLOCK) - sizeof (UINT8) + BufferLen; 806 break; 807 808 case EFI_HII_GIBT_GLYPHS: 809 BlockPtr += sizeof (EFI_HII_GLYPH_BLOCK); 810 CopyMem (&Glyphs.Cell, BlockPtr, sizeof (EFI_HII_GLYPH_INFO)); 811 BlockPtr += sizeof (EFI_HII_GLYPH_INFO); 812 CopyMem (&Glyphs.Count, BlockPtr, sizeof (UINT16)); 813 BlockPtr += sizeof (UINT16); 814 815 if (CharValue == (CHAR16) (-1)) { 816 if (BaseLine < Glyphs.Cell.Height + Glyphs.Cell.OffsetY) { 817 BaseLine = (UINT16) (Glyphs.Cell.Height + Glyphs.Cell.OffsetY); 818 } 819 if (MinOffsetY > Glyphs.Cell.OffsetY) { 820 MinOffsetY = Glyphs.Cell.OffsetY; 821 } 822 } 823 824 BufferLen = BITMAP_LEN_1_BIT (Glyphs.Cell.Width, Glyphs.Cell.Height); 825 for (Index = 0; Index < Glyphs.Count; Index++) { 826 if (CharCurrent + Index == CharValue) { 827 return WriteOutputParam ( 828 BlockPtr, 829 BufferLen, 830 &Glyphs.Cell, 831 GlyphBuffer, 832 Cell, 833 GlyphBufferLen 834 ); 835 } 836 BlockPtr += BufferLen; 837 } 838 CharCurrent = (UINT16) (CharCurrent + Glyphs.Count); 839 break; 840 841 case EFI_HII_GIBT_GLYPH_DEFAULT: 842 Status = GetCell (CharCurrent, &FontPackage->GlyphInfoList, &DefaultCell); 843 if (EFI_ERROR (Status)) { 844 return Status; 845 } 846 BufferLen = BITMAP_LEN_1_BIT (DefaultCell.Width, DefaultCell.Height); 847 848 if (CharCurrent == CharValue) { 849 return WriteOutputParam ( 850 BlockPtr + sizeof (EFI_HII_GLYPH_BLOCK), 851 BufferLen, 852 &DefaultCell, 853 GlyphBuffer, 854 Cell, 855 GlyphBufferLen 856 ); 857 } 858 CharCurrent++; 859 BlockPtr += sizeof (EFI_HII_GLYPH_BLOCK) + BufferLen; 860 break; 861 862 case EFI_HII_GIBT_GLYPHS_DEFAULT: 863 CopyMem (&Length16, BlockPtr + sizeof (EFI_HII_GLYPH_BLOCK), sizeof (UINT16)); 864 Status = GetCell (CharCurrent, &FontPackage->GlyphInfoList, &DefaultCell); 865 if (EFI_ERROR (Status)) { 866 return Status; 867 } 868 BufferLen = BITMAP_LEN_1_BIT (DefaultCell.Width, DefaultCell.Height); 869 BlockPtr += sizeof (EFI_HII_GIBT_GLYPHS_DEFAULT_BLOCK) - sizeof (UINT8); 870 for (Index = 0; Index < Length16; Index++) { 871 if (CharCurrent + Index == CharValue) { 872 return WriteOutputParam ( 873 BlockPtr, 874 BufferLen, 875 &DefaultCell, 876 GlyphBuffer, 877 Cell, 878 GlyphBufferLen 879 ); 880 } 881 BlockPtr += BufferLen; 882 } 883 CharCurrent = (UINT16) (CharCurrent + Length16); 884 break; 885 886 case EFI_HII_GIBT_SKIP1: 887 CharCurrent = (UINT16) (CharCurrent + (UINT16) (*(BlockPtr + sizeof (EFI_HII_GLYPH_BLOCK)))); 888 BlockPtr += sizeof (EFI_HII_GIBT_SKIP1_BLOCK); 889 break; 890 case EFI_HII_GIBT_SKIP2: 891 CopyMem (&Length16, BlockPtr + sizeof (EFI_HII_GLYPH_BLOCK), sizeof (UINT16)); 892 CharCurrent = (UINT16) (CharCurrent + Length16); 893 BlockPtr += sizeof (EFI_HII_GIBT_SKIP2_BLOCK); 894 break; 895 default: 896 ASSERT (FALSE); 897 break; 898 } 899 900 if (CharValue < CharCurrent) { 901 return EFI_NOT_FOUND; 902 } 903 } 904 905 if (CharValue == (CHAR16) (-1)) { 906 FontPackage->BaseLine = BaseLine; 907 FontPackage->Height = (UINT16) (BaseLine - MinOffsetY); 908 return EFI_SUCCESS; 909 } 910 911 return EFI_NOT_FOUND; 912 } 913 914 915 /** 916 Copy a Font Name to a new created EFI_FONT_INFO structure. 917 918 This is a internal function. 919 920 @param FontName NULL-terminated string. 921 @param FontInfo a new EFI_FONT_INFO which stores the FontName. 922 It's caller's responsibility to free this buffer. 923 924 @retval EFI_SUCCESS FontInfo is allocated and copied with FontName. 925 @retval EFI_OUT_OF_RESOURCES The system is out of resources to accomplish the 926 task. 927 928 **/ 929 EFI_STATUS 930 SaveFontName ( 931 IN EFI_STRING FontName, 932 OUT EFI_FONT_INFO **FontInfo 933 ) 934 { 935 UINTN FontInfoLen; 936 UINTN NameSize; 937 938 ASSERT (FontName != NULL && FontInfo != NULL); 939 940 NameSize = StrSize (FontName); 941 FontInfoLen = sizeof (EFI_FONT_INFO) - sizeof (CHAR16) + NameSize; 942 *FontInfo = (EFI_FONT_INFO *) AllocateZeroPool (FontInfoLen); 943 if (*FontInfo == NULL) { 944 return EFI_OUT_OF_RESOURCES; 945 } 946 947 StrCpyS ((*FontInfo)->FontName, NameSize / sizeof (CHAR16), FontName); 948 return EFI_SUCCESS; 949 } 950 951 952 /** 953 Retrieve system default font and color. 954 955 @param Private HII database driver private data. 956 @param FontInfo Points to system default font output-related 957 information. It's caller's responsibility to free 958 this buffer. 959 @param FontInfoSize If not NULL, output the size of buffer FontInfo. 960 961 @retval EFI_SUCCESS Cell information is added to the GlyphInfoList. 962 @retval EFI_OUT_OF_RESOURCES The system is out of resources to accomplish the 963 task. 964 @retval EFI_INVALID_PARAMETER Any input parameter is invalid. 965 966 **/ 967 EFI_STATUS 968 GetSystemFont ( 969 IN HII_DATABASE_PRIVATE_DATA *Private, 970 OUT EFI_FONT_DISPLAY_INFO **FontInfo, 971 OUT UINTN *FontInfoSize OPTIONAL 972 ) 973 { 974 EFI_FONT_DISPLAY_INFO *Info; 975 UINTN InfoSize; 976 UINTN NameSize; 977 978 if (Private == NULL || Private->Signature != HII_DATABASE_PRIVATE_DATA_SIGNATURE) { 979 return EFI_INVALID_PARAMETER; 980 } 981 if (FontInfo == NULL) { 982 return EFI_INVALID_PARAMETER; 983 } 984 985 // 986 // The standard font always has the name "sysdefault". 987 // 988 NameSize = StrSize (L"sysdefault"); 989 InfoSize = sizeof (EFI_FONT_DISPLAY_INFO) - sizeof (CHAR16) + NameSize; 990 Info = (EFI_FONT_DISPLAY_INFO *) AllocateZeroPool (InfoSize); 991 if (Info == NULL) { 992 return EFI_OUT_OF_RESOURCES; 993 } 994 995 Info->ForegroundColor = mHiiEfiColors[Private->Attribute & 0x0f]; 996 Info->BackgroundColor = mHiiEfiColors[Private->Attribute >> 4]; 997 Info->FontInfoMask = EFI_FONT_INFO_SYS_FONT | EFI_FONT_INFO_SYS_SIZE | EFI_FONT_INFO_SYS_STYLE; 998 Info->FontInfo.FontStyle = 0; 999 Info->FontInfo.FontSize = EFI_GLYPH_HEIGHT; 1000 StrCpyS (Info->FontInfo.FontName, NameSize / sizeof (CHAR16), L"sysdefault"); 1001 1002 *FontInfo = Info; 1003 if (FontInfoSize != NULL) { 1004 *FontInfoSize = InfoSize; 1005 } 1006 return EFI_SUCCESS; 1007 } 1008 1009 1010 /** 1011 Check whether EFI_FONT_DISPLAY_INFO points to system default font and color or 1012 returns the system default according to the optional inputs. 1013 1014 This is a internal function. 1015 1016 @param Private HII database driver private data. 1017 @param StringInfo Points to the string output information, 1018 including the color and font. 1019 @param SystemInfo If not NULL, points to system default font and color. 1020 1021 @param SystemInfoLen If not NULL, output the length of default system 1022 info. 1023 1024 @retval TRUE Yes, it points to system default. 1025 @retval FALSE No. 1026 1027 **/ 1028 BOOLEAN 1029 IsSystemFontInfo ( 1030 IN HII_DATABASE_PRIVATE_DATA *Private, 1031 IN EFI_FONT_DISPLAY_INFO *StringInfo, 1032 OUT EFI_FONT_DISPLAY_INFO **SystemInfo, OPTIONAL 1033 OUT UINTN *SystemInfoLen OPTIONAL 1034 ) 1035 { 1036 EFI_STATUS Status; 1037 EFI_FONT_DISPLAY_INFO *SystemDefault; 1038 UINTN DefaultLen; 1039 BOOLEAN Flag; 1040 1041 ASSERT (Private != NULL && Private->Signature == HII_DATABASE_PRIVATE_DATA_SIGNATURE); 1042 1043 if (StringInfo == NULL && SystemInfo == NULL) { 1044 return TRUE; 1045 } 1046 1047 SystemDefault = NULL; 1048 DefaultLen = 0; 1049 1050 Status = GetSystemFont (Private, &SystemDefault, &DefaultLen); 1051 ASSERT_EFI_ERROR (Status); 1052 ASSERT ((SystemDefault != NULL) && (DefaultLen != 0)); 1053 1054 // 1055 // Record the system default info. 1056 // 1057 if (SystemInfo != NULL) { 1058 *SystemInfo = SystemDefault; 1059 } 1060 1061 if (SystemInfoLen != NULL) { 1062 *SystemInfoLen = DefaultLen; 1063 } 1064 1065 if (StringInfo == NULL) { 1066 return TRUE; 1067 } 1068 1069 Flag = FALSE; 1070 // 1071 // Check the FontInfoMask to see whether it is retrieving system info. 1072 // 1073 if ((StringInfo->FontInfoMask & (EFI_FONT_INFO_SYS_FONT | EFI_FONT_INFO_ANY_FONT)) == 0) { 1074 if (StrCmp (StringInfo->FontInfo.FontName, SystemDefault->FontInfo.FontName) != 0) { 1075 goto Exit; 1076 } 1077 } 1078 if ((StringInfo->FontInfoMask & (EFI_FONT_INFO_SYS_SIZE | EFI_FONT_INFO_ANY_SIZE)) == 0) { 1079 if (StringInfo->FontInfo.FontSize != SystemDefault->FontInfo.FontSize) { 1080 goto Exit; 1081 } 1082 } 1083 if ((StringInfo->FontInfoMask & (EFI_FONT_INFO_SYS_STYLE | EFI_FONT_INFO_ANY_STYLE)) == 0) { 1084 if (StringInfo->FontInfo.FontStyle != SystemDefault->FontInfo.FontStyle) { 1085 goto Exit; 1086 } 1087 } 1088 if ((StringInfo->FontInfoMask & EFI_FONT_INFO_SYS_FORE_COLOR) == 0) { 1089 if (CompareMem ( 1090 &StringInfo->ForegroundColor, 1091 &SystemDefault->ForegroundColor, 1092 sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) 1093 ) != 0) { 1094 goto Exit; 1095 } 1096 } 1097 if ((StringInfo->FontInfoMask & EFI_FONT_INFO_SYS_BACK_COLOR) == 0) { 1098 if (CompareMem ( 1099 &StringInfo->BackgroundColor, 1100 &SystemDefault->BackgroundColor, 1101 sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) 1102 ) != 0) { 1103 goto Exit; 1104 } 1105 } 1106 1107 Flag = TRUE; 1108 1109 Exit: 1110 if (SystemInfo == NULL) { 1111 if (SystemDefault != NULL) { 1112 FreePool (SystemDefault); 1113 } 1114 } 1115 return Flag; 1116 } 1117 1118 1119 /** 1120 This function checks whether EFI_FONT_INFO exists in current database. If 1121 FontInfoMask is specified, check what options can be used to make a match. 1122 Note that the masks relate to where the system default should be supplied 1123 are ignored by this function. 1124 1125 @param Private Hii database private structure. 1126 @param FontInfo Points to EFI_FONT_INFO structure. 1127 @param FontInfoMask If not NULL, describes what options can be used 1128 to make a match between the font requested and 1129 the font available. The caller must guarantee 1130 this mask is valid. 1131 @param FontHandle On entry, Points to the font handle returned by a 1132 previous call to GetFontInfo() or NULL to start 1133 with the first font. 1134 @param GlobalFontInfo If not NULL, output the corresponding globa font 1135 info. 1136 1137 @retval TRUE Existed 1138 @retval FALSE Not existed 1139 1140 **/ 1141 BOOLEAN 1142 IsFontInfoExisted ( 1143 IN HII_DATABASE_PRIVATE_DATA *Private, 1144 IN EFI_FONT_INFO *FontInfo, 1145 IN EFI_FONT_INFO_MASK *FontInfoMask, OPTIONAL 1146 IN EFI_FONT_HANDLE FontHandle, OPTIONAL 1147 OUT HII_GLOBAL_FONT_INFO **GlobalFontInfo OPTIONAL 1148 ) 1149 { 1150 HII_GLOBAL_FONT_INFO *GlobalFont; 1151 HII_GLOBAL_FONT_INFO *GlobalFontBackup1; 1152 HII_GLOBAL_FONT_INFO *GlobalFontBackup2; 1153 LIST_ENTRY *Link; 1154 EFI_FONT_INFO_MASK Mask; 1155 BOOLEAN Matched; 1156 BOOLEAN VagueMatched1; 1157 BOOLEAN VagueMatched2; 1158 1159 ASSERT (Private != NULL && Private->Signature == HII_DATABASE_PRIVATE_DATA_SIGNATURE); 1160 ASSERT (FontInfo != NULL); 1161 1162 // 1163 // Matched flag represents an exactly match; VagueMatched1 repensents a RESIZE 1164 // or RESTYLE match; VagueMatched2 represents a RESIZE | RESTYLE match. 1165 // 1166 Matched = FALSE; 1167 VagueMatched1 = FALSE; 1168 VagueMatched2 = FALSE; 1169 1170 Mask = 0; 1171 GlobalFontBackup1 = NULL; 1172 GlobalFontBackup2 = NULL; 1173 1174 // The process of where the system default should be supplied instead of 1175 // the specified font info beyonds this function's scope. 1176 // 1177 if (FontInfoMask != NULL) { 1178 Mask = *FontInfoMask & (~SYS_FONT_INFO_MASK); 1179 } 1180 1181 // 1182 // If not NULL, FontHandle points to the next node of the last searched font 1183 // node by previous call. 1184 // 1185 if (FontHandle == NULL) { 1186 Link = Private->FontInfoList.ForwardLink; 1187 } else { 1188 Link = (LIST_ENTRY *) FontHandle; 1189 } 1190 1191 for (; Link != &Private->FontInfoList; Link = Link->ForwardLink) { 1192 GlobalFont = CR (Link, HII_GLOBAL_FONT_INFO, Entry, HII_GLOBAL_FONT_INFO_SIGNATURE); 1193 if (FontInfoMask == NULL) { 1194 if (CompareMem (GlobalFont->FontInfo, FontInfo, GlobalFont->FontInfoSize) == 0) { 1195 if (GlobalFontInfo != NULL) { 1196 *GlobalFontInfo = GlobalFont; 1197 } 1198 return TRUE; 1199 } 1200 } else { 1201 // 1202 // Check which options could be used to make a match. 1203 // 1204 switch (Mask) { 1205 case EFI_FONT_INFO_ANY_FONT: 1206 if (GlobalFont->FontInfo->FontStyle == FontInfo->FontStyle && 1207 GlobalFont->FontInfo->FontSize == FontInfo->FontSize) { 1208 Matched = TRUE; 1209 } 1210 break; 1211 case EFI_FONT_INFO_ANY_FONT | EFI_FONT_INFO_ANY_STYLE: 1212 if (GlobalFont->FontInfo->FontSize == FontInfo->FontSize) { 1213 Matched = TRUE; 1214 } 1215 break; 1216 case EFI_FONT_INFO_ANY_FONT | EFI_FONT_INFO_ANY_SIZE: 1217 if (GlobalFont->FontInfo->FontStyle == FontInfo->FontStyle) { 1218 Matched = TRUE; 1219 } 1220 break; 1221 case EFI_FONT_INFO_ANY_FONT | EFI_FONT_INFO_ANY_SIZE | EFI_FONT_INFO_ANY_STYLE: 1222 Matched = TRUE; 1223 break; 1224 // 1225 // If EFI_FONT_INFO_RESTYLE is specified, then the system may attempt to 1226 // remove some of the specified styles to meet the style requested. 1227 // 1228 case EFI_FONT_INFO_ANY_FONT | EFI_FONT_INFO_RESTYLE: 1229 if (GlobalFont->FontInfo->FontSize == FontInfo->FontSize) { 1230 if (GlobalFont->FontInfo->FontStyle == FontInfo->FontStyle) { 1231 Matched = TRUE; 1232 } else if ((GlobalFont->FontInfo->FontStyle & FontInfo->FontStyle) == FontInfo->FontStyle) { 1233 VagueMatched1 = TRUE; 1234 GlobalFontBackup1 = GlobalFont; 1235 } 1236 } 1237 break; 1238 // 1239 // If EFI_FONT_INFO_RESIZE is specified, then the sytem may attempt to 1240 // stretch or shrink a font to meet the size requested. 1241 // 1242 case EFI_FONT_INFO_ANY_FONT | EFI_FONT_INFO_RESIZE: 1243 if (GlobalFont->FontInfo->FontStyle == FontInfo->FontStyle) { 1244 if (GlobalFont->FontInfo->FontSize == FontInfo->FontSize) { 1245 Matched = TRUE; 1246 } else { 1247 VagueMatched1 = TRUE; 1248 GlobalFontBackup1 = GlobalFont; 1249 } 1250 } 1251 break; 1252 case EFI_FONT_INFO_ANY_FONT | EFI_FONT_INFO_RESTYLE | EFI_FONT_INFO_RESIZE: 1253 if (GlobalFont->FontInfo->FontStyle == FontInfo->FontStyle) { 1254 if (GlobalFont->FontInfo->FontSize == FontInfo->FontSize) { 1255 Matched = TRUE; 1256 } else { 1257 VagueMatched1 = TRUE; 1258 GlobalFontBackup1 = GlobalFont; 1259 } 1260 } else if ((GlobalFont->FontInfo->FontStyle & FontInfo->FontStyle) == FontInfo->FontStyle) { 1261 if (GlobalFont->FontInfo->FontSize == FontInfo->FontSize) { 1262 VagueMatched1 = TRUE; 1263 GlobalFontBackup1 = GlobalFont; 1264 } else { 1265 VagueMatched2 = TRUE; 1266 GlobalFontBackup2 = GlobalFont; 1267 } 1268 } 1269 break; 1270 case EFI_FONT_INFO_ANY_FONT | EFI_FONT_INFO_ANY_STYLE | EFI_FONT_INFO_RESIZE: 1271 if (GlobalFont->FontInfo->FontSize == FontInfo->FontSize) { 1272 Matched = TRUE; 1273 } else { 1274 VagueMatched1 = TRUE; 1275 GlobalFontBackup1 = GlobalFont; 1276 } 1277 break; 1278 case EFI_FONT_INFO_ANY_FONT | EFI_FONT_INFO_ANY_SIZE | EFI_FONT_INFO_RESTYLE: 1279 if (GlobalFont->FontInfo->FontStyle == FontInfo->FontStyle) { 1280 Matched = TRUE; 1281 } else if ((GlobalFont->FontInfo->FontStyle & FontInfo->FontStyle) == FontInfo->FontStyle) { 1282 VagueMatched1 = TRUE; 1283 GlobalFontBackup1 = GlobalFont; 1284 } 1285 break; 1286 case EFI_FONT_INFO_ANY_STYLE: 1287 if ((CompareMem ( 1288 GlobalFont->FontInfo->FontName, 1289 FontInfo->FontName, 1290 StrSize (FontInfo->FontName) 1291 ) == 0) && 1292 GlobalFont->FontInfo->FontSize == FontInfo->FontSize) { 1293 Matched = TRUE; 1294 } 1295 break; 1296 case EFI_FONT_INFO_ANY_STYLE | EFI_FONT_INFO_ANY_SIZE: 1297 if (CompareMem ( 1298 GlobalFont->FontInfo->FontName, 1299 FontInfo->FontName, 1300 StrSize (FontInfo->FontName) 1301 ) == 0) { 1302 Matched = TRUE; 1303 } 1304 break; 1305 case EFI_FONT_INFO_ANY_STYLE | EFI_FONT_INFO_RESIZE: 1306 if (CompareMem ( 1307 GlobalFont->FontInfo->FontName, 1308 FontInfo->FontName, 1309 StrSize (FontInfo->FontName) 1310 ) == 0) { 1311 if (GlobalFont->FontInfo->FontSize == FontInfo->FontSize) { 1312 Matched = TRUE; 1313 } else { 1314 VagueMatched1 = TRUE; 1315 GlobalFontBackup1 = GlobalFont; 1316 } 1317 } 1318 break; 1319 case EFI_FONT_INFO_ANY_SIZE: 1320 if ((CompareMem ( 1321 GlobalFont->FontInfo->FontName, 1322 FontInfo->FontName, 1323 StrSize (FontInfo->FontName) 1324 ) == 0) && 1325 GlobalFont->FontInfo->FontStyle == FontInfo->FontStyle) { 1326 Matched = TRUE; 1327 } 1328 break; 1329 case EFI_FONT_INFO_ANY_SIZE | EFI_FONT_INFO_RESTYLE: 1330 if (CompareMem ( 1331 GlobalFont->FontInfo->FontName, 1332 FontInfo->FontName, 1333 StrSize (FontInfo->FontName) 1334 ) == 0) { 1335 if (GlobalFont->FontInfo->FontStyle == FontInfo->FontStyle) { 1336 Matched = TRUE; 1337 } else if ((GlobalFont->FontInfo->FontStyle & FontInfo->FontStyle) == FontInfo->FontStyle) { 1338 VagueMatched1 = TRUE; 1339 GlobalFontBackup1 = GlobalFont; 1340 } 1341 } 1342 break; 1343 case EFI_FONT_INFO_RESTYLE: 1344 if ((CompareMem ( 1345 GlobalFont->FontInfo->FontName, 1346 FontInfo->FontName, 1347 StrSize (FontInfo->FontName) 1348 ) == 0) && 1349 GlobalFont->FontInfo->FontSize == FontInfo->FontSize) { 1350 1351 if (GlobalFont->FontInfo->FontStyle == FontInfo->FontStyle) { 1352 Matched = TRUE; 1353 } else if ((GlobalFont->FontInfo->FontStyle & FontInfo->FontStyle) == FontInfo->FontStyle) { 1354 VagueMatched1 = TRUE; 1355 GlobalFontBackup1 = GlobalFont; 1356 } 1357 } 1358 break; 1359 case EFI_FONT_INFO_RESIZE: 1360 if ((CompareMem ( 1361 GlobalFont->FontInfo->FontName, 1362 FontInfo->FontName, 1363 StrSize (FontInfo->FontName) 1364 ) == 0) && 1365 GlobalFont->FontInfo->FontStyle == FontInfo->FontStyle) { 1366 1367 if (GlobalFont->FontInfo->FontSize == FontInfo->FontSize) { 1368 Matched = TRUE; 1369 } else { 1370 VagueMatched1 = TRUE; 1371 GlobalFontBackup1 = GlobalFont; 1372 } 1373 } 1374 break; 1375 case EFI_FONT_INFO_RESIZE | EFI_FONT_INFO_RESTYLE: 1376 if (CompareMem ( 1377 GlobalFont->FontInfo->FontName, 1378 FontInfo->FontName, 1379 StrSize (FontInfo->FontName) 1380 ) == 0) { 1381 if (GlobalFont->FontInfo->FontStyle == FontInfo->FontStyle) { 1382 if (GlobalFont->FontInfo->FontSize == FontInfo->FontSize) { 1383 Matched = TRUE; 1384 } else { 1385 VagueMatched1 = TRUE; 1386 GlobalFontBackup1 = GlobalFont; 1387 } 1388 } else if ((GlobalFont->FontInfo->FontStyle & FontInfo->FontStyle) == FontInfo->FontStyle) { 1389 if (GlobalFont->FontInfo->FontSize == FontInfo->FontSize) { 1390 VagueMatched1 = TRUE; 1391 GlobalFontBackup1 = GlobalFont; 1392 } else { 1393 VagueMatched2 = TRUE; 1394 GlobalFontBackup2 = GlobalFont; 1395 } 1396 } 1397 } 1398 break; 1399 default: 1400 break; 1401 } 1402 1403 if (Matched) { 1404 if (GlobalFontInfo != NULL) { 1405 *GlobalFontInfo = GlobalFont; 1406 } 1407 return TRUE; 1408 } 1409 } 1410 } 1411 1412 if (VagueMatched1) { 1413 if (GlobalFontInfo != NULL) { 1414 *GlobalFontInfo = GlobalFontBackup1; 1415 } 1416 return TRUE; 1417 } else if (VagueMatched2) { 1418 if (GlobalFontInfo != NULL) { 1419 *GlobalFontInfo = GlobalFontBackup2; 1420 } 1421 return TRUE; 1422 } 1423 1424 return FALSE; 1425 } 1426 1427 1428 /** 1429 Check whether the unicode represents a line break or not. 1430 1431 This is a internal function. Please see Section 27.2.6 of the UEFI Specification 1432 for a description of the supported string format. 1433 1434 @param Char Unicode character 1435 1436 @retval 0 Yes, it forces a line break. 1437 @retval 1 Yes, it presents a line break opportunity 1438 @retval 2 Yes, it requires a line break happen before and after it. 1439 @retval -1 No, it is not a link break. 1440 1441 **/ 1442 INT8 1443 IsLineBreak ( 1444 IN CHAR16 Char 1445 ) 1446 { 1447 switch (Char) { 1448 // 1449 // Mandatory line break characters, which force a line-break 1450 // 1451 case 0x000A: 1452 case 0x000C: 1453 case 0x000D: 1454 case 0x2028: 1455 case 0x2029: 1456 return 0; 1457 // 1458 // Space characters, which is taken as a line-break opportunity 1459 // 1460 case 0x0020: 1461 case 0x1680: 1462 case 0x2000: 1463 case 0x2001: 1464 case 0x2002: 1465 case 0x2003: 1466 case 0x2004: 1467 case 0x2005: 1468 case 0x2006: 1469 case 0x2008: 1470 case 0x2009: 1471 case 0x200A: 1472 case 0x205F: 1473 // 1474 // In-Word Break Opportunities 1475 // 1476 case 0x200B: 1477 return 1; 1478 // 1479 // A space which is not a line-break opportunity 1480 // 1481 case 0x00A0: 1482 case 0x202F: 1483 // 1484 // A hyphen which is not a line-break opportunity 1485 // 1486 case 0x2011: 1487 return -1; 1488 // 1489 // Hyphen characters which describe line break opportunities after the character 1490 // 1491 case 0x058A: 1492 case 0x2010: 1493 case 0x2012: 1494 case 0x2013: 1495 case 0x0F0B: 1496 case 0x1361: 1497 case 0x17D5: 1498 return 1; 1499 // 1500 // A hyphen which describes line break opportunities before and after them, but not between a pair of them 1501 // 1502 case 0x2014: 1503 return 2; 1504 } 1505 return -1; 1506 } 1507 1508 1509 /** 1510 Renders a string to a bitmap or to the display. 1511 1512 @param This A pointer to the EFI_HII_FONT_PROTOCOL instance. 1513 @param Flags Describes how the string is to be drawn. 1514 @param String Points to the null-terminated string to be 1515 displayed. 1516 @param StringInfo Points to the string output information, 1517 including the color and font. If NULL, then the 1518 string will be output in the default system font 1519 and color. 1520 @param Blt If this points to a non-NULL on entry, this 1521 points to the image, which is Width pixels wide 1522 and Height pixels high. The string will be drawn 1523 onto this image and 1524 EFI_HII_OUT_FLAG_CLIP is implied. If this points 1525 to a NULL on entry, then a buffer 1526 will be allocated to hold the generated image and 1527 the pointer updated on exit. It is the caller's 1528 responsibility to free this buffer. 1529 @param BltX Specifies the offset from the left and top edge 1530 of the image of the first character cell in the 1531 image. 1532 @param BltY Specifies the offset from the left and top edge 1533 of the image of the first character cell in the 1534 image. 1535 @param RowInfoArray If this is non-NULL on entry, then on exit, this 1536 will point to an allocated buffer containing 1537 row information and RowInfoArraySize will be 1538 updated to contain the number of elements. 1539 This array describes the characters which were at 1540 least partially drawn and the heights of the 1541 rows. It is the caller's responsibility to free 1542 this buffer. 1543 @param RowInfoArraySize If this is non-NULL on entry, then on exit it 1544 contains the number of elements in RowInfoArray. 1545 @param ColumnInfoArray If this is non-NULL, then on return it will be 1546 filled with the horizontal offset for each 1547 character in the string on the row where it is 1548 displayed. Non-printing characters will have 1549 the offset ~0. The caller is responsible to 1550 allocate a buffer large enough so that there 1551 is one entry for each character in the string, 1552 not including the null-terminator. It is possible 1553 when character display is normalized that some 1554 character cells overlap. 1555 1556 @retval EFI_SUCCESS The string was successfully rendered. 1557 @retval EFI_OUT_OF_RESOURCES Unable to allocate an output buffer for 1558 RowInfoArray or Blt. 1559 @retval EFI_INVALID_PARAMETER The String or Blt was NULL. 1560 @retval EFI_INVALID_PARAMETER Flags were invalid combination.. 1561 1562 **/ 1563 EFI_STATUS 1564 EFIAPI 1565 HiiStringToImage ( 1566 IN CONST EFI_HII_FONT_PROTOCOL *This, 1567 IN EFI_HII_OUT_FLAGS Flags, 1568 IN CONST EFI_STRING String, 1569 IN CONST EFI_FONT_DISPLAY_INFO *StringInfo OPTIONAL, 1570 IN OUT EFI_IMAGE_OUTPUT **Blt, 1571 IN UINTN BltX, 1572 IN UINTN BltY, 1573 OUT EFI_HII_ROW_INFO **RowInfoArray OPTIONAL, 1574 OUT UINTN *RowInfoArraySize OPTIONAL, 1575 OUT UINTN *ColumnInfoArray OPTIONAL 1576 ) 1577 { 1578 EFI_STATUS Status; 1579 HII_DATABASE_PRIVATE_DATA *Private; 1580 UINT8 **GlyphBuf; 1581 EFI_HII_GLYPH_INFO *Cell; 1582 UINT8 *Attributes; 1583 EFI_IMAGE_OUTPUT *Image; 1584 EFI_STRING StringPtr; 1585 EFI_STRING StringTmp; 1586 EFI_HII_ROW_INFO *RowInfo; 1587 UINTN LineWidth; 1588 UINTN LineHeight; 1589 UINTN LineOffset; 1590 UINTN LastLineHeight; 1591 UINTN BaseLineOffset; 1592 UINT16 MaxRowNum; 1593 UINT16 RowIndex; 1594 UINTN Index; 1595 UINTN NextIndex; 1596 UINTN Index1; 1597 EFI_FONT_DISPLAY_INFO *StringInfoOut; 1598 EFI_FONT_DISPLAY_INFO *SystemDefault; 1599 EFI_FONT_HANDLE FontHandle; 1600 EFI_STRING StringIn; 1601 EFI_STRING StringIn2; 1602 UINT16 Height; 1603 UINT16 BaseLine; 1604 EFI_FONT_INFO *FontInfo; 1605 BOOLEAN SysFontFlag; 1606 EFI_GRAPHICS_OUTPUT_BLT_PIXEL Foreground; 1607 EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background; 1608 BOOLEAN Transparent; 1609 EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer; 1610 EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BufferPtr; 1611 UINTN RowInfoSize; 1612 BOOLEAN LineBreak; 1613 UINTN StrLength; 1614 EFI_GRAPHICS_OUTPUT_BLT_PIXEL *RowBufferPtr; 1615 HII_GLOBAL_FONT_INFO *GlobalFont; 1616 1617 // 1618 // Check incoming parameters. 1619 // 1620 1621 if (This == NULL || String == NULL || Blt == NULL) { 1622 return EFI_INVALID_PARAMETER; 1623 } 1624 if (*Blt == NULL) { 1625 // 1626 // These two flag cannot be used if Blt is NULL upon entry. 1627 // 1628 if ((Flags & EFI_HII_OUT_FLAG_TRANSPARENT) == EFI_HII_OUT_FLAG_TRANSPARENT) { 1629 return EFI_INVALID_PARAMETER; 1630 } 1631 if ((Flags & EFI_HII_OUT_FLAG_CLIP) == EFI_HII_OUT_FLAG_CLIP) { 1632 return EFI_INVALID_PARAMETER; 1633 } 1634 } 1635 // 1636 // These two flags require that EFI_HII_OUT_FLAG_CLIP be also set. 1637 // 1638 if ((Flags & (EFI_HII_OUT_FLAG_CLIP | EFI_HII_OUT_FLAG_CLIP_CLEAN_X)) == EFI_HII_OUT_FLAG_CLIP_CLEAN_X) { 1639 return EFI_INVALID_PARAMETER; 1640 } 1641 if ((Flags & (EFI_HII_OUT_FLAG_CLIP | EFI_HII_OUT_FLAG_CLIP_CLEAN_Y)) == EFI_HII_OUT_FLAG_CLIP_CLEAN_Y) { 1642 return EFI_INVALID_PARAMETER; 1643 } 1644 // 1645 // This flag cannot be used with EFI_HII_OUT_FLAG_CLEAN_X. 1646 // 1647 if ((Flags & (EFI_HII_OUT_FLAG_WRAP | EFI_HII_OUT_FLAG_CLIP_CLEAN_X)) == (EFI_HII_OUT_FLAG_WRAP | EFI_HII_OUT_FLAG_CLIP_CLEAN_X)) { 1648 return EFI_INVALID_PARAMETER; 1649 } 1650 1651 if (*Blt == NULL) { 1652 // 1653 // Create a new bitmap and draw the string onto this image. 1654 // 1655 Image = AllocateZeroPool (sizeof (EFI_IMAGE_OUTPUT)); 1656 if (Image == NULL) { 1657 return EFI_OUT_OF_RESOURCES; 1658 } 1659 Image->Width = 800; 1660 Image->Height = 600; 1661 Image->Image.Bitmap = AllocateZeroPool (Image->Width * Image->Height *sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); 1662 if (Image->Image.Bitmap == NULL) { 1663 FreePool (Image); 1664 return EFI_OUT_OF_RESOURCES; 1665 } 1666 1667 // 1668 // Other flags are not permitted when Blt is NULL. 1669 // 1670 Flags &= EFI_HII_OUT_FLAG_WRAP | EFI_HII_IGNORE_IF_NO_GLYPH | EFI_HII_IGNORE_LINE_BREAK; 1671 *Blt = Image; 1672 } 1673 1674 StrLength = StrLen(String); 1675 GlyphBuf = (UINT8 **) AllocateZeroPool (StrLength * sizeof (UINT8 *)); 1676 ASSERT (GlyphBuf != NULL); 1677 Cell = (EFI_HII_GLYPH_INFO *) AllocateZeroPool (StrLength * sizeof (EFI_HII_GLYPH_INFO)); 1678 ASSERT (Cell != NULL); 1679 Attributes = (UINT8 *) AllocateZeroPool (StrLength * sizeof (UINT8)); 1680 ASSERT (Attributes != NULL); 1681 1682 RowInfo = NULL; 1683 Status = EFI_SUCCESS; 1684 StringIn2 = NULL; 1685 SystemDefault = NULL; 1686 StringIn = NULL; 1687 1688 // 1689 // Calculate the string output information, including specified color and font . 1690 // If StringInfo does not points to system font info, it must indicate an existing 1691 // EFI_FONT_INFO. 1692 // 1693 StringInfoOut = NULL; 1694 FontHandle = NULL; 1695 Private = HII_FONT_DATABASE_PRIVATE_DATA_FROM_THIS (This); 1696 SysFontFlag = IsSystemFontInfo (Private, (EFI_FONT_DISPLAY_INFO *) StringInfo, &SystemDefault, NULL); 1697 1698 if (SysFontFlag) { 1699 ASSERT (SystemDefault != NULL); 1700 FontInfo = NULL; 1701 Height = SystemDefault->FontInfo.FontSize; 1702 BaseLine = SystemDefault->FontInfo.FontSize; 1703 Foreground = SystemDefault->ForegroundColor; 1704 Background = SystemDefault->BackgroundColor; 1705 1706 } else { 1707 // 1708 // StringInfo must not be NULL if it is not system info. 1709 // 1710 ASSERT (StringInfo != NULL); 1711 Status = HiiGetFontInfo (This, &FontHandle, (EFI_FONT_DISPLAY_INFO *) StringInfo, &StringInfoOut, NULL); 1712 if (Status == EFI_NOT_FOUND) { 1713 // 1714 // The specified EFI_FONT_DISPLAY_INFO does not exist in current database. 1715 // Use the system font instead. Still use the color specified by StringInfo. 1716 // 1717 SysFontFlag = TRUE; 1718 FontInfo = NULL; 1719 Height = SystemDefault->FontInfo.FontSize; 1720 BaseLine = SystemDefault->FontInfo.FontSize; 1721 Foreground = ((EFI_FONT_DISPLAY_INFO *) StringInfo)->ForegroundColor; 1722 Background = ((EFI_FONT_DISPLAY_INFO *) StringInfo)->BackgroundColor; 1723 1724 } else if (Status == EFI_SUCCESS) { 1725 FontInfo = &StringInfoOut->FontInfo; 1726 IsFontInfoExisted (Private, FontInfo, NULL, NULL, &GlobalFont); 1727 Height = GlobalFont->FontPackage->Height; 1728 BaseLine = GlobalFont->FontPackage->BaseLine; 1729 Foreground = StringInfoOut->ForegroundColor; 1730 Background = StringInfoOut->BackgroundColor; 1731 } else { 1732 goto Exit; 1733 } 1734 } 1735 1736 // 1737 // Use the maxinum height of font as the base line. 1738 // And, use the maxinum height as line height. 1739 // 1740 LineHeight = Height; 1741 LastLineHeight = Height; 1742 BaseLineOffset = Height - BaseLine; 1743 1744 // 1745 // Parse the string to be displayed to drop some ignored characters. 1746 // 1747 1748 StringPtr = String; 1749 1750 // 1751 // Ignore line-break characters only. Hyphens or dash character will be displayed 1752 // without line-break opportunity. 1753 // 1754 if ((Flags & EFI_HII_IGNORE_LINE_BREAK) == EFI_HII_IGNORE_LINE_BREAK) { 1755 StringIn = AllocateZeroPool (StrSize (StringPtr)); 1756 if (StringIn == NULL) { 1757 Status = EFI_OUT_OF_RESOURCES; 1758 goto Exit; 1759 } 1760 StringTmp = StringIn; 1761 while (*StringPtr != 0) { 1762 if (IsLineBreak (*StringPtr) == 0) { 1763 StringPtr++; 1764 } else { 1765 *StringTmp++ = *StringPtr++; 1766 } 1767 } 1768 *StringTmp = 0; 1769 StringPtr = StringIn; 1770 } 1771 // 1772 // If EFI_HII_IGNORE_IF_NO_GLYPH is set, then characters which have no glyphs 1773 // are not drawn. Otherwise they are replaced wth Unicode character 0xFFFD. 1774 // 1775 StringIn2 = AllocateZeroPool (StrSize (StringPtr)); 1776 if (StringIn2 == NULL) { 1777 Status = EFI_OUT_OF_RESOURCES; 1778 goto Exit; 1779 } 1780 Index = 0; 1781 StringTmp = StringIn2; 1782 StrLength = StrLen(StringPtr); 1783 while (*StringPtr != 0 && Index < StrLength) { 1784 if (IsLineBreak (*StringPtr) == 0) { 1785 *StringTmp++ = *StringPtr++; 1786 Index++; 1787 continue; 1788 } 1789 1790 Status = GetGlyphBuffer (Private, *StringPtr, FontInfo, &GlyphBuf[Index], &Cell[Index], &Attributes[Index]); 1791 if (Status == EFI_NOT_FOUND) { 1792 if ((Flags & EFI_HII_IGNORE_IF_NO_GLYPH) == EFI_HII_IGNORE_IF_NO_GLYPH) { 1793 GlyphBuf[Index] = NULL; 1794 ZeroMem (&Cell[Index], sizeof (Cell[Index])); 1795 Status = EFI_SUCCESS; 1796 } else { 1797 // 1798 // Unicode 0xFFFD must exist in current hii database if this flag is not set. 1799 // 1800 Status = GetGlyphBuffer ( 1801 Private, 1802 REPLACE_UNKNOWN_GLYPH, 1803 FontInfo, 1804 &GlyphBuf[Index], 1805 &Cell[Index], 1806 &Attributes[Index] 1807 ); 1808 if (EFI_ERROR (Status)) { 1809 Status = EFI_INVALID_PARAMETER; 1810 } 1811 } 1812 } 1813 1814 if (EFI_ERROR (Status)) { 1815 goto Exit; 1816 } 1817 1818 *StringTmp++ = *StringPtr++; 1819 Index++; 1820 } 1821 *StringTmp = 0; 1822 StringPtr = StringIn2; 1823 1824 // 1825 // Draw the string according to the specified EFI_HII_OUT_FLAGS and Blt. 1826 // If Blt is not NULL, then EFI_HII_OUT_FLAG_CLIP is implied, render this string 1827 // to an existing image (bitmap or screen depending on flags) pointed by "*Blt". 1828 // Otherwise render this string to a new allocated image and output it. 1829 // 1830 Image = *Blt; 1831 BufferPtr = Image->Image.Bitmap + Image->Width * BltY + BltX; 1832 if (Image->Height < BltY) { 1833 // 1834 // the top edge of the image should be in Image resolution scope. 1835 // 1836 Status = EFI_INVALID_PARAMETER; 1837 goto Exit; 1838 } 1839 MaxRowNum = (UINT16) ((Image->Height - BltY) / Height); 1840 if ((Image->Height - BltY) % Height != 0) { 1841 LastLineHeight = (Image->Height - BltY) % Height; 1842 MaxRowNum++; 1843 } 1844 1845 RowInfo = (EFI_HII_ROW_INFO *) AllocateZeroPool (MaxRowNum * sizeof (EFI_HII_ROW_INFO)); 1846 if (RowInfo == NULL) { 1847 Status = EFI_OUT_OF_RESOURCES; 1848 goto Exit; 1849 } 1850 1851 // 1852 // Format the glyph buffer according to flags. 1853 // 1854 Transparent = (BOOLEAN) ((Flags & EFI_HII_OUT_FLAG_TRANSPARENT) == EFI_HII_OUT_FLAG_TRANSPARENT ? TRUE : FALSE); 1855 1856 for (RowIndex = 0, Index = 0; RowIndex < MaxRowNum && StringPtr[Index] != 0; ) { 1857 LineWidth = 0; 1858 LineBreak = FALSE; 1859 1860 // 1861 // Clip the final row if the row's bottom-most on pixel cannot fit when 1862 // EFI_HII_OUT_FLAG_CLEAN_Y is set. 1863 // 1864 if (RowIndex == MaxRowNum - 1) { 1865 if ((Flags & EFI_HII_OUT_FLAG_CLIP_CLEAN_Y) == EFI_HII_OUT_FLAG_CLIP_CLEAN_Y && LastLineHeight < LineHeight ) { 1866 // 1867 // Don't draw at all if the row's bottom-most on pixel cannot fit. 1868 // 1869 break; 1870 } 1871 LineHeight = LastLineHeight; 1872 } 1873 1874 // 1875 // Calculate how many characters there are in a row. 1876 // 1877 RowInfo[RowIndex].StartIndex = Index; 1878 1879 while (LineWidth + BltX < Image->Width && StringPtr[Index] != 0) { 1880 if ((Flags & EFI_HII_IGNORE_LINE_BREAK) == 0 && 1881 IsLineBreak (StringPtr[Index]) == 0) { 1882 // 1883 // It forces a line break that ends this row. 1884 // 1885 Index++; 1886 LineBreak = TRUE; 1887 break; 1888 } 1889 1890 // 1891 // If the glyph of the character is existing, then accumulate the actual printed width 1892 // 1893 LineWidth += (UINTN) Cell[Index].AdvanceX; 1894 1895 Index++; 1896 } 1897 1898 // 1899 // Record index of next char. 1900 // 1901 NextIndex = Index; 1902 // 1903 // Return to the previous char. 1904 // 1905 Index--; 1906 if (LineBreak && Index > 0 ) { 1907 // 1908 // Return the previous non line break char. 1909 // 1910 Index --; 1911 } 1912 1913 // 1914 // If this character is the last character of a row, we need not 1915 // draw its (AdvanceX - Width - OffsetX) for next character. 1916 // 1917 LineWidth -= (UINTN) (Cell[Index].AdvanceX - Cell[Index].Width - Cell[Index].OffsetX); 1918 1919 // 1920 // Clip the right-most character if cannot fit when EFI_HII_OUT_FLAG_CLEAN_X is set. 1921 // 1922 if (LineWidth + BltX <= Image->Width || 1923 (LineWidth + BltX > Image->Width && (Flags & EFI_HII_OUT_FLAG_CLIP_CLEAN_X) == 0)) { 1924 // 1925 // Record right-most character in RowInfo even if it is partially displayed. 1926 // 1927 RowInfo[RowIndex].EndIndex = Index; 1928 RowInfo[RowIndex].LineWidth = LineWidth; 1929 RowInfo[RowIndex].LineHeight = LineHeight; 1930 RowInfo[RowIndex].BaselineOffset = BaseLineOffset; 1931 } else { 1932 // 1933 // When EFI_HII_OUT_FLAG_CLEAN_X is set, it will not draw a character 1934 // if its right-most on pixel cannot fit. 1935 // 1936 if (Index > RowInfo[RowIndex].StartIndex) { 1937 // 1938 // Don't draw the last char on this row. And, don't draw the second last char (AdvanceX - Width - OffsetX). 1939 // 1940 LineWidth -= (UINTN) (Cell[Index].Width + Cell[Index].OffsetX); 1941 LineWidth -= (UINTN) (Cell[Index - 1].AdvanceX - Cell[Index - 1].Width - Cell[Index - 1].OffsetX); 1942 RowInfo[RowIndex].EndIndex = Index - 1; 1943 RowInfo[RowIndex].LineWidth = LineWidth; 1944 RowInfo[RowIndex].LineHeight = LineHeight; 1945 RowInfo[RowIndex].BaselineOffset = BaseLineOffset; 1946 } else { 1947 // 1948 // There is no enough column to draw any character, so set current line width to zero. 1949 // And go to draw Next line if LineBreak is set. 1950 // 1951 RowInfo[RowIndex].LineWidth = 0; 1952 goto NextLine; 1953 } 1954 } 1955 1956 // 1957 // EFI_HII_OUT_FLAG_WRAP will wrap the text at the right-most line-break 1958 // opportunity prior to a character whose right-most extent would exceed Width. 1959 // Search the right-most line-break opportunity here. 1960 // 1961 if ((Flags & EFI_HII_OUT_FLAG_WRAP) == EFI_HII_OUT_FLAG_WRAP && 1962 (RowInfo[RowIndex].LineWidth + BltX > Image->Width || StringPtr[NextIndex] != 0) && 1963 !LineBreak) { 1964 if ((Flags & EFI_HII_IGNORE_LINE_BREAK) == 0) { 1965 LineWidth = RowInfo[RowIndex].LineWidth; 1966 for (Index1 = RowInfo[RowIndex].EndIndex; Index1 >= RowInfo[RowIndex].StartIndex; Index1--) { 1967 if (Index1 == RowInfo[RowIndex].EndIndex) { 1968 LineWidth -= (Cell[Index1].Width + Cell[Index1].OffsetX); 1969 } else { 1970 LineWidth -= Cell[Index1].AdvanceX; 1971 } 1972 if (IsLineBreak (StringPtr[Index1]) > 0) { 1973 LineBreak = TRUE; 1974 if (Index1 > RowInfo[RowIndex].StartIndex) { 1975 RowInfo[RowIndex].EndIndex = Index1 - 1; 1976 } 1977 // 1978 // relocate to the character after the right-most line break opportunity of this line 1979 // 1980 NextIndex = Index1 + 1; 1981 break; 1982 } 1983 // 1984 // If don't find a line break opportunity from EndIndex to StartIndex, 1985 // then jump out. 1986 // 1987 if (Index1 == RowInfo[RowIndex].StartIndex) 1988 break; 1989 } 1990 1991 // 1992 // Update LineWidth to the real width 1993 // 1994 if (IsLineBreak (StringPtr[Index1]) > 0) { 1995 if (Index1 == RowInfo[RowIndex].StartIndex) { 1996 LineWidth = 0; 1997 } else { 1998 LineWidth -= (UINTN) (Cell[Index1 - 1].AdvanceX - Cell[Index1 - 1].Width - Cell[Index1 - 1].OffsetX); 1999 } 2000 RowInfo[RowIndex].LineWidth = LineWidth; 2001 } 2002 } 2003 // 2004 // If no line-break opportunity can be found, then the text will 2005 // behave as if EFI_HII_OUT_FLAG_CLEAN_X is set. 2006 // 2007 if (!LineBreak) { 2008 LineWidth = RowInfo[RowIndex].LineWidth; 2009 Index1 = RowInfo[RowIndex].EndIndex; 2010 if (LineWidth + BltX > Image->Width) { 2011 if (Index1 > RowInfo[RowIndex].StartIndex) { 2012 // 2013 // Don't draw the last char on this row. And, don't draw the second last char (AdvanceX - Width - OffsetX). 2014 // 2015 LineWidth -= (UINTN) (Cell[Index1].Width + Cell[Index1].OffsetX); 2016 LineWidth -= (UINTN) (Cell[Index1 - 1].AdvanceX - Cell[Index1 - 1].Width - Cell[Index1 - 1].OffsetX); 2017 RowInfo[RowIndex].EndIndex = Index1 - 1; 2018 RowInfo[RowIndex].LineWidth = LineWidth; 2019 } else { 2020 // 2021 // There is no enough column to draw any character, so set current line width to zero. 2022 // And go to draw Next line if LineBreak is set. 2023 // 2024 RowInfo[RowIndex].LineWidth = 0; 2025 goto NextLine; 2026 } 2027 } 2028 } 2029 } 2030 2031 // 2032 // LineWidth can't exceed Image width. 2033 // 2034 if (RowInfo[RowIndex].LineWidth + BltX > Image->Width) { 2035 RowInfo[RowIndex].LineWidth = Image->Width - BltX; 2036 } 2037 2038 // 2039 // Draw it to screen or existing bitmap depending on whether 2040 // EFI_HII_DIRECT_TO_SCREEN is set. 2041 // 2042 LineOffset = 0; 2043 if ((Flags & EFI_HII_DIRECT_TO_SCREEN) == EFI_HII_DIRECT_TO_SCREEN) { 2044 BltBuffer = NULL; 2045 if (RowInfo[RowIndex].LineWidth != 0) { 2046 BltBuffer = AllocateZeroPool (RowInfo[RowIndex].LineWidth * RowInfo[RowIndex].LineHeight * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); 2047 if (BltBuffer == NULL) { 2048 Status = EFI_OUT_OF_RESOURCES; 2049 goto Exit; 2050 } 2051 // 2052 // Set BufferPtr to Origin by adding baseline to the starting position. 2053 // 2054 BufferPtr = BltBuffer + BaseLine * RowInfo[RowIndex].LineWidth; 2055 } 2056 for (Index1 = RowInfo[RowIndex].StartIndex; Index1 <= RowInfo[RowIndex].EndIndex; Index1++) { 2057 if (RowInfo[RowIndex].LineWidth > 0 && RowInfo[RowIndex].LineWidth > LineOffset) { 2058 // 2059 // Only BLT these character which have corrsponding glyph in font basebase. 2060 // 2061 GlyphToImage ( 2062 GlyphBuf[Index1], 2063 Foreground, 2064 Background, 2065 (UINT16) RowInfo[RowIndex].LineWidth, 2066 BaseLine, 2067 RowInfo[RowIndex].LineWidth - LineOffset, 2068 RowInfo[RowIndex].LineHeight, 2069 Transparent, 2070 &Cell[Index1], 2071 Attributes[Index1], 2072 &BufferPtr 2073 ); 2074 } 2075 if (ColumnInfoArray != NULL) { 2076 if ((GlyphBuf[Index1] == NULL && Cell[Index1].AdvanceX == 0) 2077 || RowInfo[RowIndex].LineWidth == 0) { 2078 *ColumnInfoArray = (UINTN) ~0; 2079 } else { 2080 *ColumnInfoArray = LineOffset + Cell[Index1].OffsetX + BltX; 2081 } 2082 ColumnInfoArray++; 2083 } 2084 LineOffset += Cell[Index1].AdvanceX; 2085 } 2086 2087 if (BltBuffer != NULL) { 2088 Status = Image->Image.Screen->Blt ( 2089 Image->Image.Screen, 2090 BltBuffer, 2091 EfiBltBufferToVideo, 2092 0, 2093 0, 2094 BltX, 2095 BltY, 2096 RowInfo[RowIndex].LineWidth, 2097 RowInfo[RowIndex].LineHeight, 2098 0 2099 ); 2100 if (EFI_ERROR (Status)) { 2101 FreePool (BltBuffer); 2102 goto Exit; 2103 } 2104 2105 FreePool (BltBuffer); 2106 } 2107 } else { 2108 // 2109 // Save the starting position for calculate the starting postition of next row. 2110 // 2111 RowBufferPtr = BufferPtr; 2112 // 2113 // Set BufferPtr to Origin by adding baseline to the starting position. 2114 // 2115 BufferPtr = BufferPtr + BaseLine * Image->Width; 2116 for (Index1 = RowInfo[RowIndex].StartIndex; Index1 <= RowInfo[RowIndex].EndIndex; Index1++) { 2117 if (RowInfo[RowIndex].LineWidth > 0 && RowInfo[RowIndex].LineWidth > LineOffset) { 2118 // 2119 // Only BLT these character which have corrsponding glyph in font basebase. 2120 // 2121 GlyphToImage ( 2122 GlyphBuf[Index1], 2123 Foreground, 2124 Background, 2125 Image->Width, 2126 BaseLine, 2127 RowInfo[RowIndex].LineWidth - LineOffset, 2128 RowInfo[RowIndex].LineHeight, 2129 Transparent, 2130 &Cell[Index1], 2131 Attributes[Index1], 2132 &BufferPtr 2133 ); 2134 } 2135 if (ColumnInfoArray != NULL) { 2136 if ((GlyphBuf[Index1] == NULL && Cell[Index1].AdvanceX == 0) 2137 || RowInfo[RowIndex].LineWidth == 0) { 2138 *ColumnInfoArray = (UINTN) ~0; 2139 } else { 2140 *ColumnInfoArray = LineOffset + Cell[Index1].OffsetX + BltX; 2141 } 2142 ColumnInfoArray++; 2143 } 2144 LineOffset += Cell[Index1].AdvanceX; 2145 } 2146 2147 // 2148 // Jump to starting position of next row. 2149 // 2150 if (RowIndex == 0) { 2151 BufferPtr = RowBufferPtr - BltX + LineHeight * Image->Width; 2152 } else { 2153 BufferPtr = RowBufferPtr + LineHeight * Image->Width; 2154 } 2155 } 2156 2157 NextLine: 2158 // 2159 // Recalculate the start point of X/Y axis to draw multi-lines with the order of top-to-down 2160 // 2161 BltX = 0; 2162 BltY += RowInfo[RowIndex].LineHeight; 2163 2164 RowIndex++; 2165 Index = NextIndex; 2166 2167 if (!LineBreak) { 2168 // 2169 // If there is not a mandatory line break or line break opportunity, only render one line to image 2170 // 2171 break; 2172 } 2173 } 2174 2175 // 2176 // Write output parameters. 2177 // 2178 RowInfoSize = RowIndex * sizeof (EFI_HII_ROW_INFO); 2179 if (RowInfoArray != NULL) { 2180 if (RowInfoSize > 0) { 2181 *RowInfoArray = AllocateZeroPool (RowInfoSize); 2182 if (*RowInfoArray == NULL) { 2183 Status = EFI_OUT_OF_RESOURCES; 2184 goto Exit; 2185 } 2186 CopyMem (*RowInfoArray, RowInfo, RowInfoSize); 2187 } else { 2188 *RowInfoArray = NULL; 2189 } 2190 } 2191 if (RowInfoArraySize != NULL) { 2192 *RowInfoArraySize = RowIndex; 2193 } 2194 2195 Status = EFI_SUCCESS; 2196 2197 Exit: 2198 2199 for (Index = 0; Index < StrLength; Index++) { 2200 if (GlyphBuf[Index] != NULL) { 2201 FreePool (GlyphBuf[Index]); 2202 } 2203 } 2204 if (StringIn != NULL) { 2205 FreePool (StringIn); 2206 } 2207 if (StringIn2 != NULL) { 2208 FreePool (StringIn2); 2209 } 2210 if (StringInfoOut != NULL) { 2211 FreePool (StringInfoOut); 2212 } 2213 if (RowInfo != NULL) { 2214 FreePool (RowInfo); 2215 } 2216 if (SystemDefault != NULL) { 2217 FreePool (SystemDefault); 2218 } 2219 if (GlyphBuf != NULL) { 2220 FreePool (GlyphBuf); 2221 } 2222 if (Cell != NULL) { 2223 FreePool (Cell); 2224 } 2225 if (Attributes != NULL) { 2226 FreePool (Attributes); 2227 } 2228 2229 return Status; 2230 } 2231 2232 2233 /** 2234 Render a string to a bitmap or the screen containing the contents of the specified string. 2235 2236 @param This A pointer to the EFI_HII_FONT_PROTOCOL instance. 2237 @param Flags Describes how the string is to be drawn. 2238 @param PackageList The package list in the HII database to search 2239 for the specified string. 2240 @param StringId The string's id, which is unique within 2241 PackageList. 2242 @param Language Points to the language for the retrieved string. 2243 If NULL, then the current system language is 2244 used. 2245 @param StringInfo Points to the string output information, 2246 including the color and font. If NULL, then the 2247 string will be output in the default system font 2248 and color. 2249 @param Blt If this points to a non-NULL on entry, this 2250 points to the image, which is Width pixels wide 2251 and Height pixels high. The string will be drawn 2252 onto this image and 2253 EFI_HII_OUT_FLAG_CLIP is implied. If this points 2254 to a NULL on entry, then a buffer 2255 will be allocated to hold the generated image and 2256 the pointer updated on exit. It is the caller's 2257 responsibility to free this buffer. 2258 @param BltX Specifies the offset from the left and top edge 2259 of the image of the first character cell in the 2260 image. 2261 @param BltY Specifies the offset from the left and top edge 2262 of the image of the first character cell in the 2263 image. 2264 @param RowInfoArray If this is non-NULL on entry, then on exit, this 2265 will point to an allocated buffer containing 2266 row information and RowInfoArraySize will be 2267 updated to contain the number of elements. 2268 This array describes the characters which were at 2269 least partially drawn and the heights of the 2270 rows. It is the caller's responsibility to free 2271 this buffer. 2272 @param RowInfoArraySize If this is non-NULL on entry, then on exit it 2273 contains the number of elements in RowInfoArray. 2274 @param ColumnInfoArray If this is non-NULL, then on return it will be 2275 filled with the horizontal offset for each 2276 character in the string on the row where it is 2277 displayed. Non-printing characters will have 2278 the offset ~0. The caller is responsible to 2279 allocate a buffer large enough so that there 2280 is one entry for each character in the string, 2281 not including the null-terminator. It is possible 2282 when character display is normalized that some 2283 character cells overlap. 2284 2285 @retval EFI_SUCCESS The string was successfully rendered. 2286 @retval EFI_OUT_OF_RESOURCES Unable to allocate an output buffer for 2287 RowInfoArray or Blt. 2288 @retval EFI_INVALID_PARAMETER The Blt or PackageList was NULL. 2289 @retval EFI_INVALID_PARAMETER Flags were invalid combination. 2290 @retval EFI_NOT_FOUND The specified PackageList is not in the Database or the stringid is not 2291 in the specified PackageList. 2292 2293 **/ 2294 EFI_STATUS 2295 EFIAPI 2296 HiiStringIdToImage ( 2297 IN CONST EFI_HII_FONT_PROTOCOL *This, 2298 IN EFI_HII_OUT_FLAGS Flags, 2299 IN EFI_HII_HANDLE PackageList, 2300 IN EFI_STRING_ID StringId, 2301 IN CONST CHAR8* Language, 2302 IN CONST EFI_FONT_DISPLAY_INFO *StringInfo OPTIONAL, 2303 IN OUT EFI_IMAGE_OUTPUT **Blt, 2304 IN UINTN BltX, 2305 IN UINTN BltY, 2306 OUT EFI_HII_ROW_INFO **RowInfoArray OPTIONAL, 2307 OUT UINTN *RowInfoArraySize OPTIONAL, 2308 OUT UINTN *ColumnInfoArray OPTIONAL 2309 ) 2310 { 2311 EFI_STATUS Status; 2312 HII_DATABASE_PRIVATE_DATA *Private; 2313 EFI_HII_STRING_PROTOCOL *HiiString; 2314 EFI_STRING String; 2315 UINTN StringSize; 2316 UINTN FontLen; 2317 UINTN NameSize; 2318 EFI_FONT_INFO *StringFontInfo; 2319 EFI_FONT_DISPLAY_INFO *NewStringInfo; 2320 CHAR8 TempSupportedLanguages; 2321 CHAR8 *SupportedLanguages; 2322 UINTN SupportedLanguagesSize; 2323 CHAR8 *CurrentLanguage; 2324 CHAR8 *BestLanguage; 2325 2326 if (This == NULL || PackageList == NULL || Blt == NULL || PackageList == NULL) { 2327 return EFI_INVALID_PARAMETER; 2328 } 2329 2330 if (!IsHiiHandleValid (PackageList)) { 2331 return EFI_NOT_FOUND; 2332 } 2333 2334 // 2335 // Initialize string pointers to be NULL 2336 // 2337 SupportedLanguages = NULL; 2338 CurrentLanguage = NULL; 2339 BestLanguage = NULL; 2340 String = NULL; 2341 StringFontInfo = NULL; 2342 NewStringInfo = NULL; 2343 2344 // 2345 // Get the string to be displayed. 2346 // 2347 Private = HII_FONT_DATABASE_PRIVATE_DATA_FROM_THIS (This); 2348 HiiString = &Private->HiiString; 2349 2350 // 2351 // Get the size of supported language. 2352 // 2353 SupportedLanguagesSize = 0; 2354 Status = HiiString->GetLanguages ( 2355 HiiString, 2356 PackageList, 2357 &TempSupportedLanguages, 2358 &SupportedLanguagesSize 2359 ); 2360 if (Status != EFI_BUFFER_TOO_SMALL) { 2361 return Status; 2362 } 2363 2364 SupportedLanguages = AllocatePool (SupportedLanguagesSize); 2365 if (SupportedLanguages == NULL) { 2366 return EFI_OUT_OF_RESOURCES; 2367 } 2368 2369 Status = HiiString->GetLanguages ( 2370 HiiString, 2371 PackageList, 2372 SupportedLanguages, 2373 &SupportedLanguagesSize 2374 ); 2375 if (EFI_ERROR (Status)) { 2376 goto Exit; 2377 } 2378 2379 if (Language == NULL) { 2380 Language = ""; 2381 } 2382 GetEfiGlobalVariable2 (L"PlatformLang", (VOID**)&CurrentLanguage, NULL); 2383 BestLanguage = GetBestLanguage ( 2384 SupportedLanguages, 2385 FALSE, 2386 Language, 2387 (CurrentLanguage == NULL) ? CurrentLanguage : "", 2388 (CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultPlatformLang), 2389 NULL 2390 ); 2391 if (BestLanguage == NULL) { 2392 Status = EFI_NOT_FOUND; 2393 goto Exit; 2394 } 2395 2396 StringSize = MAX_STRING_LENGTH; 2397 String = (EFI_STRING) AllocateZeroPool (StringSize); 2398 if (String == NULL) { 2399 Status = EFI_OUT_OF_RESOURCES; 2400 goto Exit; 2401 } 2402 2403 Status = HiiString->GetString ( 2404 HiiString, 2405 BestLanguage, 2406 PackageList, 2407 StringId, 2408 String, 2409 &StringSize, 2410 &StringFontInfo 2411 ); 2412 if (Status == EFI_BUFFER_TOO_SMALL) { 2413 FreePool (String); 2414 String = (EFI_STRING) AllocateZeroPool (StringSize); 2415 if (String == NULL) { 2416 Status = EFI_OUT_OF_RESOURCES; 2417 goto Exit; 2418 } 2419 Status = HiiString->GetString ( 2420 HiiString, 2421 BestLanguage, 2422 PackageList, 2423 StringId, 2424 String, 2425 &StringSize, 2426 NULL 2427 ); 2428 } 2429 2430 if (EFI_ERROR (Status)) { 2431 goto Exit; 2432 } 2433 2434 // 2435 // When StringInfo specifies that string will be output in the system default font and color, 2436 // use particular stringfontinfo described in string package instead if exists. 2437 // StringFontInfo equals NULL means system default font attaches with the string block. 2438 // 2439 if (StringFontInfo != NULL && IsSystemFontInfo (Private, (EFI_FONT_DISPLAY_INFO *) StringInfo, NULL, NULL)) { 2440 NameSize = StrSize (StringFontInfo->FontName); 2441 FontLen = sizeof (EFI_FONT_DISPLAY_INFO) - sizeof (CHAR16) + NameSize; 2442 NewStringInfo = AllocateZeroPool (FontLen); 2443 if (NewStringInfo == NULL) { 2444 Status = EFI_OUT_OF_RESOURCES; 2445 goto Exit; 2446 } 2447 NewStringInfo->FontInfoMask = EFI_FONT_INFO_SYS_FORE_COLOR | EFI_FONT_INFO_SYS_BACK_COLOR; 2448 NewStringInfo->FontInfo.FontStyle = StringFontInfo->FontStyle; 2449 NewStringInfo->FontInfo.FontSize = StringFontInfo->FontSize; 2450 StrCpyS (NewStringInfo->FontInfo.FontName, NameSize / sizeof (CHAR16), StringFontInfo->FontName); 2451 2452 Status = HiiStringToImage ( 2453 This, 2454 Flags, 2455 String, 2456 NewStringInfo, 2457 Blt, 2458 BltX, 2459 BltY, 2460 RowInfoArray, 2461 RowInfoArraySize, 2462 ColumnInfoArray 2463 ); 2464 goto Exit; 2465 } 2466 2467 Status = HiiStringToImage ( 2468 This, 2469 Flags, 2470 String, 2471 StringInfo, 2472 Blt, 2473 BltX, 2474 BltY, 2475 RowInfoArray, 2476 RowInfoArraySize, 2477 ColumnInfoArray 2478 ); 2479 2480 Exit: 2481 if (SupportedLanguages != NULL) { 2482 FreePool (SupportedLanguages); 2483 } 2484 if (CurrentLanguage != NULL) { 2485 FreePool (CurrentLanguage); 2486 } 2487 if (BestLanguage != NULL) { 2488 FreePool (BestLanguage); 2489 } 2490 if (String != NULL) { 2491 FreePool (String); 2492 } 2493 if (StringFontInfo != NULL) { 2494 FreePool (StringFontInfo); 2495 } 2496 if (NewStringInfo != NULL) { 2497 FreePool (NewStringInfo); 2498 } 2499 2500 return Status; 2501 } 2502 2503 2504 /** 2505 Convert the glyph for a single character into a bitmap. 2506 2507 @param This A pointer to the EFI_HII_FONT_PROTOCOL instance. 2508 @param Char Character to retrieve. 2509 @param StringInfo Points to the string font and color information 2510 or NULL if the string should use the default 2511 system font and color. 2512 @param Blt Thus must point to a NULL on entry. A buffer will 2513 be allocated to hold the output and the pointer 2514 updated on exit. It is the caller's 2515 responsibility to free this buffer. 2516 @param Baseline Number of pixels from the bottom of the bitmap to 2517 the baseline. 2518 2519 @retval EFI_SUCCESS Glyph bitmap created. 2520 @retval EFI_OUT_OF_RESOURCES Unable to allocate the output buffer Blt. 2521 @retval EFI_WARN_UNKNOWN_GLYPH The glyph was unknown and was replaced with the 2522 glyph for Unicode character 0xFFFD. 2523 @retval EFI_INVALID_PARAMETER Blt is NULL or *Blt is not NULL. 2524 2525 **/ 2526 EFI_STATUS 2527 EFIAPI 2528 HiiGetGlyph ( 2529 IN CONST EFI_HII_FONT_PROTOCOL *This, 2530 IN CHAR16 Char, 2531 IN CONST EFI_FONT_DISPLAY_INFO *StringInfo, 2532 OUT EFI_IMAGE_OUTPUT **Blt, 2533 OUT UINTN *Baseline OPTIONAL 2534 ) 2535 { 2536 EFI_STATUS Status; 2537 HII_DATABASE_PRIVATE_DATA *Private; 2538 EFI_IMAGE_OUTPUT *Image; 2539 UINT8 *GlyphBuffer; 2540 EFI_FONT_DISPLAY_INFO *SystemDefault; 2541 EFI_FONT_DISPLAY_INFO *StringInfoOut; 2542 BOOLEAN Default; 2543 EFI_FONT_HANDLE FontHandle; 2544 EFI_STRING String; 2545 EFI_HII_GLYPH_INFO Cell; 2546 EFI_FONT_INFO *FontInfo; 2547 UINT8 Attributes; 2548 EFI_GRAPHICS_OUTPUT_BLT_PIXEL Foreground; 2549 EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background; 2550 EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer; 2551 UINT16 BaseLine; 2552 2553 if (This == NULL || Blt == NULL || *Blt != NULL) { 2554 return EFI_INVALID_PARAMETER; 2555 } 2556 2557 Private = HII_FONT_DATABASE_PRIVATE_DATA_FROM_THIS (This); 2558 2559 Default = FALSE; 2560 Image = NULL; 2561 SystemDefault = NULL; 2562 FontHandle = NULL; 2563 String = NULL; 2564 GlyphBuffer = NULL; 2565 StringInfoOut = NULL; 2566 FontInfo = NULL; 2567 2568 ZeroMem (&Foreground, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); 2569 ZeroMem (&Background, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); 2570 2571 Default = IsSystemFontInfo (Private, (EFI_FONT_DISPLAY_INFO *) StringInfo, &SystemDefault, NULL); 2572 2573 if (!Default) { 2574 // 2575 // Find out a EFI_FONT_DISPLAY_INFO which could display the character in 2576 // the specified color and font. 2577 // 2578 String = (EFI_STRING) AllocateZeroPool (sizeof (CHAR16) * 2); 2579 if (String == NULL) { 2580 Status = EFI_OUT_OF_RESOURCES; 2581 goto Exit; 2582 } 2583 *String = Char; 2584 *(String + 1) = 0; 2585 2586 Status = HiiGetFontInfo (This, &FontHandle, StringInfo, &StringInfoOut, String); 2587 if (EFI_ERROR (Status)) { 2588 goto Exit; 2589 } 2590 ASSERT (StringInfoOut != NULL); 2591 FontInfo = &StringInfoOut->FontInfo; 2592 Foreground = StringInfoOut->ForegroundColor; 2593 Background = StringInfoOut->BackgroundColor; 2594 } else { 2595 ASSERT (SystemDefault != NULL); 2596 Foreground = SystemDefault->ForegroundColor; 2597 Background = SystemDefault->BackgroundColor; 2598 } 2599 2600 Status = GetGlyphBuffer (Private, Char, FontInfo, &GlyphBuffer, &Cell, &Attributes); 2601 if (EFI_ERROR (Status)) { 2602 goto Exit; 2603 } 2604 2605 Image = (EFI_IMAGE_OUTPUT *) AllocateZeroPool (sizeof (EFI_IMAGE_OUTPUT)); 2606 if (Image == NULL) { 2607 Status = EFI_OUT_OF_RESOURCES; 2608 goto Exit; 2609 } 2610 Image->Width = Cell.Width; 2611 Image->Height = Cell.Height; 2612 2613 if (Image->Width * Image->Height > 0) { 2614 Image->Image.Bitmap = AllocateZeroPool (Image->Width * Image->Height * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); 2615 if (Image->Image.Bitmap == NULL) { 2616 FreePool (Image); 2617 Status = EFI_OUT_OF_RESOURCES; 2618 goto Exit; 2619 } 2620 2621 // 2622 // Set BaseLine to the char height. 2623 // 2624 BaseLine = (UINT16) (Cell.Height + Cell.OffsetY); 2625 // 2626 // Set BltBuffer to the position of Origin. 2627 // 2628 BltBuffer = Image->Image.Bitmap + (Cell.Height + Cell.OffsetY) * Image->Width - Cell.OffsetX; 2629 GlyphToImage ( 2630 GlyphBuffer, 2631 Foreground, 2632 Background, 2633 Image->Width, 2634 BaseLine, 2635 Cell.Width + Cell.OffsetX, 2636 BaseLine - Cell.OffsetY, 2637 FALSE, 2638 &Cell, 2639 Attributes, 2640 &BltBuffer 2641 ); 2642 } 2643 2644 *Blt = Image; 2645 if (Baseline != NULL) { 2646 *Baseline = Cell.OffsetY; 2647 } 2648 2649 Status = EFI_SUCCESS; 2650 2651 Exit: 2652 2653 if (Status == EFI_NOT_FOUND) { 2654 // 2655 // Glyph is unknown and replaced with the glyph for unicode character 0xFFFD 2656 // 2657 if (Char != REPLACE_UNKNOWN_GLYPH) { 2658 Status = HiiGetGlyph (This, REPLACE_UNKNOWN_GLYPH, StringInfo, Blt, Baseline); 2659 if (!EFI_ERROR (Status)) { 2660 Status = EFI_WARN_UNKNOWN_GLYPH; 2661 } 2662 } else { 2663 Status = EFI_WARN_UNKNOWN_GLYPH; 2664 } 2665 } 2666 2667 if (SystemDefault != NULL) { 2668 FreePool (SystemDefault); 2669 } 2670 if (StringInfoOut != NULL) { 2671 FreePool (StringInfoOut); 2672 } 2673 if (String != NULL) { 2674 FreePool (String); 2675 } 2676 if (GlyphBuffer != NULL) { 2677 FreePool (GlyphBuffer); 2678 } 2679 2680 return Status; 2681 } 2682 2683 2684 /** 2685 This function iterates through fonts which match the specified font, using 2686 the specified criteria. If String is non-NULL, then all of the characters in 2687 the string must exist in order for a candidate font to be returned. 2688 2689 @param This A pointer to the EFI_HII_FONT_PROTOCOL instance. 2690 @param FontHandle On entry, points to the font handle returned by a 2691 previous call to GetFontInfo() or NULL to start 2692 with the first font. On return, points to the 2693 returned font handle or points to NULL if there 2694 are no more matching fonts. 2695 @param StringInfoIn Upon entry, points to the font to return information 2696 about. If NULL, then the information about the system 2697 default font will be returned. 2698 @param StringInfoOut Upon return, contains the matching font's information. 2699 If NULL, then no information is returned. This buffer 2700 is allocated with a call to the Boot Service AllocatePool(). 2701 It is the caller's responsibility to call the Boot 2702 Service FreePool() when the caller no longer requires 2703 the contents of StringInfoOut. 2704 @param String Points to the string which will be tested to 2705 determine if all characters are available. If 2706 NULL, then any font is acceptable. 2707 2708 @retval EFI_SUCCESS Matching font returned successfully. 2709 @retval EFI_NOT_FOUND No matching font was found. 2710 @retval EFI_INVALID_PARAMETER StringInfoIn->FontInfoMask is an invalid combination. 2711 @retval EFI_OUT_OF_RESOURCES There were insufficient resources to complete the 2712 request. 2713 2714 **/ 2715 EFI_STATUS 2716 EFIAPI 2717 HiiGetFontInfo ( 2718 IN CONST EFI_HII_FONT_PROTOCOL *This, 2719 IN OUT EFI_FONT_HANDLE *FontHandle, 2720 IN CONST EFI_FONT_DISPLAY_INFO *StringInfoIn, OPTIONAL 2721 OUT EFI_FONT_DISPLAY_INFO **StringInfoOut, 2722 IN CONST EFI_STRING String OPTIONAL 2723 ) 2724 { 2725 HII_DATABASE_PRIVATE_DATA *Private; 2726 EFI_STATUS Status; 2727 EFI_FONT_DISPLAY_INFO *SystemDefault; 2728 EFI_FONT_DISPLAY_INFO InfoOut; 2729 UINTN StringInfoOutLen; 2730 EFI_FONT_INFO *FontInfo; 2731 HII_GLOBAL_FONT_INFO *GlobalFont; 2732 EFI_STRING StringIn; 2733 EFI_FONT_HANDLE LocalFontHandle; 2734 2735 if (This == NULL) { 2736 return EFI_INVALID_PARAMETER; 2737 } 2738 2739 StringInfoOutLen = 0; 2740 FontInfo = NULL; 2741 SystemDefault = NULL; 2742 LocalFontHandle = NULL; 2743 if (FontHandle != NULL) { 2744 LocalFontHandle = *FontHandle; 2745 } 2746 2747 Private = HII_FONT_DATABASE_PRIVATE_DATA_FROM_THIS (This); 2748 2749 // 2750 // Already searched to the end of the whole list, return directly. 2751 // 2752 if (LocalFontHandle == &Private->FontInfoList) { 2753 LocalFontHandle = NULL; 2754 Status = EFI_NOT_FOUND; 2755 goto Exit; 2756 } 2757 2758 // 2759 // Get default system display info, if StringInfoIn points to 2760 // system display info, return it directly. 2761 // 2762 if (IsSystemFontInfo (Private, (EFI_FONT_DISPLAY_INFO *) StringInfoIn, &SystemDefault, &StringInfoOutLen)) { 2763 // 2764 // System font is the first node. When handle is not NULL, system font can not 2765 // be found any more. 2766 // 2767 if (LocalFontHandle == NULL) { 2768 if (StringInfoOut != NULL) { 2769 *StringInfoOut = AllocateCopyPool (StringInfoOutLen, SystemDefault); 2770 if (*StringInfoOut == NULL) { 2771 Status = EFI_OUT_OF_RESOURCES; 2772 LocalFontHandle = NULL; 2773 goto Exit; 2774 } 2775 } 2776 2777 LocalFontHandle = Private->FontInfoList.ForwardLink; 2778 Status = EFI_SUCCESS; 2779 goto Exit; 2780 } else { 2781 LocalFontHandle = NULL; 2782 Status = EFI_NOT_FOUND; 2783 goto Exit; 2784 } 2785 } 2786 2787 // 2788 // StringInfoIn must not be NULL if it is not system default font info. 2789 // 2790 ASSERT (StringInfoIn != NULL); 2791 // 2792 // Check the font information mask to make sure it is valid. 2793 // 2794 if (((StringInfoIn->FontInfoMask & (EFI_FONT_INFO_SYS_FONT | EFI_FONT_INFO_ANY_FONT)) == 2795 (EFI_FONT_INFO_SYS_FONT | EFI_FONT_INFO_ANY_FONT)) || 2796 ((StringInfoIn->FontInfoMask & (EFI_FONT_INFO_SYS_SIZE | EFI_FONT_INFO_ANY_SIZE)) == 2797 (EFI_FONT_INFO_SYS_SIZE | EFI_FONT_INFO_ANY_SIZE)) || 2798 ((StringInfoIn->FontInfoMask & (EFI_FONT_INFO_SYS_STYLE | EFI_FONT_INFO_ANY_STYLE)) == 2799 (EFI_FONT_INFO_SYS_STYLE | EFI_FONT_INFO_ANY_STYLE)) || 2800 ((StringInfoIn->FontInfoMask & (EFI_FONT_INFO_RESIZE | EFI_FONT_INFO_ANY_SIZE)) == 2801 (EFI_FONT_INFO_RESIZE | EFI_FONT_INFO_ANY_SIZE)) || 2802 ((StringInfoIn->FontInfoMask & (EFI_FONT_INFO_RESTYLE | EFI_FONT_INFO_ANY_STYLE)) == 2803 (EFI_FONT_INFO_RESTYLE | EFI_FONT_INFO_ANY_STYLE))) { 2804 return EFI_INVALID_PARAMETER; 2805 } 2806 2807 // 2808 // Parse the font information mask to find a matching font. 2809 // 2810 2811 CopyMem (&InfoOut, (EFI_FONT_DISPLAY_INFO *) StringInfoIn, sizeof (EFI_FONT_DISPLAY_INFO)); 2812 2813 if ((StringInfoIn->FontInfoMask & EFI_FONT_INFO_SYS_FONT) == EFI_FONT_INFO_SYS_FONT) { 2814 Status = SaveFontName (SystemDefault->FontInfo.FontName, &FontInfo); 2815 } else { 2816 Status = SaveFontName (((EFI_FONT_DISPLAY_INFO *) StringInfoIn)->FontInfo.FontName, &FontInfo); 2817 } 2818 if (EFI_ERROR (Status)) { 2819 goto Exit; 2820 } 2821 2822 if ((StringInfoIn->FontInfoMask & EFI_FONT_INFO_SYS_SIZE) == EFI_FONT_INFO_SYS_SIZE) { 2823 InfoOut.FontInfo.FontSize = SystemDefault->FontInfo.FontSize; 2824 } 2825 if ((StringInfoIn->FontInfoMask & EFI_FONT_INFO_SYS_STYLE) == EFI_FONT_INFO_SYS_STYLE) { 2826 InfoOut.FontInfo.FontStyle = SystemDefault->FontInfo.FontStyle; 2827 } 2828 if ((StringInfoIn->FontInfoMask & EFI_FONT_INFO_SYS_FORE_COLOR) == EFI_FONT_INFO_SYS_FORE_COLOR) { 2829 InfoOut.ForegroundColor = SystemDefault->ForegroundColor; 2830 } 2831 if ((StringInfoIn->FontInfoMask & EFI_FONT_INFO_SYS_BACK_COLOR) == EFI_FONT_INFO_SYS_BACK_COLOR) { 2832 InfoOut.BackgroundColor = SystemDefault->BackgroundColor; 2833 } 2834 2835 ASSERT (FontInfo != NULL); 2836 FontInfo->FontSize = InfoOut.FontInfo.FontSize; 2837 FontInfo->FontStyle = InfoOut.FontInfo.FontStyle; 2838 2839 if (IsFontInfoExisted (Private, FontInfo, &InfoOut.FontInfoMask, LocalFontHandle, &GlobalFont)) { 2840 // 2841 // Test to guarantee all characters are available in the found font. 2842 // 2843 if (String != NULL) { 2844 StringIn = String; 2845 while (*StringIn != 0) { 2846 Status = FindGlyphBlock (GlobalFont->FontPackage, *StringIn, NULL, NULL, NULL); 2847 if (EFI_ERROR (Status)) { 2848 LocalFontHandle = NULL; 2849 goto Exit; 2850 } 2851 StringIn++; 2852 } 2853 } 2854 // 2855 // Write to output parameter 2856 // 2857 if (StringInfoOut != NULL) { 2858 StringInfoOutLen = sizeof (EFI_FONT_DISPLAY_INFO) - sizeof (EFI_FONT_INFO) + GlobalFont->FontInfoSize; 2859 *StringInfoOut = (EFI_FONT_DISPLAY_INFO *) AllocateZeroPool (StringInfoOutLen); 2860 if (*StringInfoOut == NULL) { 2861 Status = EFI_OUT_OF_RESOURCES; 2862 LocalFontHandle = NULL; 2863 goto Exit; 2864 } 2865 2866 CopyMem (*StringInfoOut, &InfoOut, sizeof (EFI_FONT_DISPLAY_INFO)); 2867 CopyMem (&(*StringInfoOut)->FontInfo, GlobalFont->FontInfo, GlobalFont->FontInfoSize); 2868 } 2869 2870 LocalFontHandle = GlobalFont->Entry.ForwardLink; 2871 Status = EFI_SUCCESS; 2872 goto Exit; 2873 } 2874 2875 Status = EFI_NOT_FOUND; 2876 2877 Exit: 2878 2879 if (FontHandle != NULL) { 2880 *FontHandle = LocalFontHandle; 2881 } 2882 2883 if (SystemDefault != NULL) { 2884 FreePool (SystemDefault); 2885 } 2886 if (FontInfo != NULL) { 2887 FreePool (FontInfo); 2888 } 2889 return Status; 2890 } 2891 2892 2893
