]> git.proxmox.com Git - mirror_edk2.git/blame - MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.h
Replace references to RFC 3066 with RFC 4646.
[mirror_edk2.git] / MdeModulePkg / Universal / Console / GraphicsConsoleDxe / GraphicsConsole.h
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fb0b259e 1/** @file\r
2 Header file for GraphicsConsole driver.\r
95276127 3\r
28487361 4Copyright (c) 2006 - 2009, Intel Corporation. <BR>\r
8541adab 5All rights reserved. This program and the accompanying materials\r
6are licensed and made available under the terms and conditions of the BSD License\r
7which accompanies this distribution. The full text of the license may be found at\r
8http://opensource.org/licenses/bsd-license.php\r
9\r
10THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
95276127 12\r
fb0b259e 13**/\r
95276127 14\r
6dcf9abc 15#ifndef _GRAPHICS_CONSOLE_H_\r
16#define _GRAPHICS_CONSOLE_H_\r
95276127 17\r
60c93673 18#include <Uefi.h>\r
97a079ed
A
19#include <Protocol/SimpleTextOut.h>\r
20#include <Protocol/GraphicsOutput.h>\r
21#include <Protocol/UgaDraw.h>\r
22#include <Protocol/DevicePath.h>\r
23#include <Library/DebugLib.h>\r
24#include <Library/UefiDriverEntryPoint.h>\r
25#include <Library/UefiLib.h>\r
97a079ed
A
26#include <Library/BaseMemoryLib.h>\r
27#include <Library/MemoryAllocationLib.h>\r
28#include <Library/UefiBootServicesTableLib.h>\r
93e3992d 29#include <Library/HiiLib.h>\r
30#include <Library/BaseLib.h>\r
8541adab 31#include <Library/PcdLib.h>\r
93e3992d 32\r
5c526736 33#include <Guid/MdeModuleHii.h>\r
93e3992d 34\r
35#include <Protocol/HiiFont.h>\r
36#include <Protocol/HiiDatabase.h>\r
97a079ed
A
37\r
38\r
5bca971e 39extern EFI_COMPONENT_NAME_PROTOCOL gGraphicsConsoleComponentName;\r
40extern EFI_COMPONENT_NAME2_PROTOCOL gGraphicsConsoleComponentName2;\r
878670ea 41extern EFI_DRIVER_BINDING_PROTOCOL gGraphicsConsoleDriverBinding;\r
42extern EFI_NARROW_GLYPH gUsStdNarrowGlyphData[];\r
43\r
649e72d6 44extern UINT32 mNarrowFontSize;\r
878670ea 45//\r
46// User can define valid graphic resolution here\r
47// e.g. 640x480, 800x600, 1024x768...\r
48//\r
49#define CURRENT_HORIZONTAL_RESOLUTION 800\r
50#define CURRENT_VERTICAL_RESOLUTION 600\r
51\r
52typedef union {\r
53 EFI_NARROW_GLYPH NarrowGlyph;\r
54 EFI_WIDE_GLYPH WideGlyph;\r
55} GLYPH_UNION;\r
56\r
57//\r
58// Device Structure\r
59//\r
60#define GRAPHICS_CONSOLE_DEV_SIGNATURE SIGNATURE_32 ('g', 's', 't', 'o')\r
61\r
62typedef struct {\r
63 UINTN Columns;\r
64 UINTN Rows;\r
65 INTN DeltaX;\r
66 INTN DeltaY;\r
67 UINT32 GopWidth;\r
68 UINT32 GopHeight;\r
69 UINT32 GopModeNumber;\r
70} GRAPHICS_CONSOLE_MODE_DATA;\r
71\r
72#define GRAPHICS_MAX_MODE 4\r
73\r
74typedef struct {\r
75 UINTN Signature;\r
76 EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r
77 EFI_UGA_DRAW_PROTOCOL *UgaDraw;\r
78 EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL SimpleTextOutput;\r
79 EFI_SIMPLE_TEXT_OUTPUT_MODE SimpleTextOutputMode;\r
80 GRAPHICS_CONSOLE_MODE_DATA ModeData[GRAPHICS_MAX_MODE];\r
81 EFI_GRAPHICS_OUTPUT_BLT_PIXEL *LineBuffer;\r
878670ea 82} GRAPHICS_CONSOLE_DEV;\r
83\r
84#define GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS(a) \\r
85 CR (a, GRAPHICS_CONSOLE_DEV, SimpleTextOutput, GRAPHICS_CONSOLE_DEV_SIGNATURE)\r
86\r
95276127 87\r
88//\r
97a079ed 89// EFI Component Name Functions\r
95276127 90//\r
5bca971e 91/**\r
92 Retrieves a Unicode string that is the user readable name of the driver.\r
93\r
94 This function retrieves the user readable name of a driver in the form of a\r
95 Unicode string. If the driver specified by This has a user readable name in\r
96 the language specified by Language, then a pointer to the driver name is\r
97 returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
98 by This does not support the language specified by Language,\r
99 then EFI_UNSUPPORTED is returned.\r
100\r
101 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
102 EFI_COMPONENT_NAME_PROTOCOL instance.\r
103\r
104 @param Language[in] A pointer to a Null-terminated ASCII string\r
105 array indicating the language. This is the\r
106 language of the driver name that the caller is\r
107 requesting, and it must match one of the\r
108 languages specified in SupportedLanguages. The\r
109 number of languages supported by a driver is up\r
110 to the driver writer. Language is specified\r
0254efc0 111 in RFC 4646 or ISO 639-2 language code format.\r
5bca971e 112\r
113 @param DriverName[out] A pointer to the Unicode string to return.\r
114 This Unicode string is the name of the\r
115 driver specified by This in the language\r
116 specified by Language.\r
117\r
118 @retval EFI_SUCCESS The Unicode string for the Driver specified by\r
119 This and the language specified by Language was\r
120 returned in DriverName.\r
121\r
122 @retval EFI_INVALID_PARAMETER Language is NULL.\r
123\r
124 @retval EFI_INVALID_PARAMETER DriverName is NULL.\r
125\r
126 @retval EFI_UNSUPPORTED The driver specified by This does not support\r
127 the language specified by Language.\r
128\r
129**/\r
97a079ed
A
130EFI_STATUS\r
131EFIAPI\r
132GraphicsConsoleComponentNameGetDriverName (\r
133 IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
134 IN CHAR8 *Language,\r
135 OUT CHAR16 **DriverName\r
136 );\r
137\r
5bca971e 138\r
139/**\r
140 Retrieves a Unicode string that is the user readable name of the controller\r
141 that is being managed by a driver.\r
142\r
143 This function retrieves the user readable name of the controller specified by\r
144 ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
145 driver specified by This has a user readable name in the language specified by\r
146 Language, then a pointer to the controller name is returned in ControllerName,\r
147 and EFI_SUCCESS is returned. If the driver specified by This is not currently\r
148 managing the controller specified by ControllerHandle and ChildHandle,\r
149 then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r
150 support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
151\r
152 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
153 EFI_COMPONENT_NAME_PROTOCOL instance.\r
154\r
155 @param ControllerHandle[in] The handle of a controller that the driver\r
156 specified by This is managing. This handle\r
157 specifies the controller whose name is to be\r
158 returned.\r
159\r
160 @param ChildHandle[in] The handle of the child controller to retrieve\r
161 the name of. This is an optional parameter that\r
162 may be NULL. It will be NULL for device\r
163 drivers. It will also be NULL for a bus drivers\r
164 that wish to retrieve the name of the bus\r
165 controller. It will not be NULL for a bus\r
166 driver that wishes to retrieve the name of a\r
167 child controller.\r
168\r
169 @param Language[in] A pointer to a Null-terminated ASCII string\r
170 array indicating the language. This is the\r
171 language of the driver name that the caller is\r
172 requesting, and it must match one of the\r
173 languages specified in SupportedLanguages. The\r
174 number of languages supported by a driver is up\r
175 to the driver writer. Language is specified in\r
0254efc0 176 RFC 4646 or ISO 639-2 language code format.\r
5bca971e 177\r
178 @param ControllerName[out] A pointer to the Unicode string to return.\r
179 This Unicode string is the name of the\r
180 controller specified by ControllerHandle and\r
181 ChildHandle in the language specified by\r
182 Language from the point of view of the driver\r
183 specified by This.\r
184\r
185 @retval EFI_SUCCESS The Unicode string for the user readable name in\r
186 the language specified by Language for the\r
187 driver specified by This was returned in\r
188 DriverName.\r
189\r
190 @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.\r
191\r
192 @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
193 EFI_HANDLE.\r
194\r
195 @retval EFI_INVALID_PARAMETER Language is NULL.\r
196\r
197 @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
198\r
199 @retval EFI_UNSUPPORTED The driver specified by This is not currently\r
200 managing the controller specified by\r
201 ControllerHandle and ChildHandle.\r
202\r
203 @retval EFI_UNSUPPORTED The driver specified by This does not support\r
204 the language specified by Language.\r
205\r
206**/\r
97a079ed
A
207EFI_STATUS\r
208EFIAPI\r
209GraphicsConsoleComponentNameGetControllerName (\r
210 IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
211 IN EFI_HANDLE ControllerHandle,\r
212 IN EFI_HANDLE ChildHandle OPTIONAL,\r
213 IN CHAR8 *Language,\r
214 OUT CHAR16 **ControllerName\r
215 );\r
95276127 216\r
5bca971e 217\r
6dcf9abc 218/**\r
7601dbe7 219 Reset the text output device hardware and optionally run diagnostics.\r
220 \r
6dcf9abc 221 Implements SIMPLE_TEXT_OUTPUT.Reset().\r
222 If ExtendeVerification is TRUE, then perform dependent Graphics Console\r
223 device reset, and set display mode to mode 0.\r
224 If ExtendedVerification is FALSE, only set display mode to mode 0.\r
225\r
7601dbe7 226 @param This Protocol instance pointer.\r
6dcf9abc 227 @param ExtendedVerification Indicates that the driver may perform a more\r
228 exhaustive verification operation of the device\r
229 during reset.\r
230\r
7601dbe7 231 @retval EFI_SUCCESS The text output device was reset.\r
232 @retval EFI_DEVICE_ERROR The text output device is not functioning correctly and\r
233 could not be reset.\r
95276127 234\r
6dcf9abc 235**/\r
95276127 236EFI_STATUS\r
237EFIAPI\r
238GraphicsConsoleConOutReset (\r
239 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
240 IN BOOLEAN ExtendedVerification\r
241 );\r
242\r
6dcf9abc 243/**\r
24248368 244 Write a Unicode string to the output device.\r
245\r
246 Implements SIMPLE_TEXT_OUTPUT.OutputString(). \r
6dcf9abc 247 The Unicode string will be converted to Glyphs and will be\r
248 sent to the Graphics Console.\r
249\r
24248368 250 @param This Protocol instance pointer.\r
251 @param WString The NULL-terminated Unicode string to be displayed\r
252 on the output device(s). All output devices must\r
253 also support the Unicode drawing defined in this file.\r
6dcf9abc 254\r
24248368 255 @retval EFI_SUCCESS The string was output to the device.\r
256 @retval EFI_DEVICE_ERROR The device reported an error while attempting to output\r
257 the text.\r
258 @retval EFI_UNSUPPORTED The output device's mode is not currently in a\r
259 defined text mode.\r
260 @retval EFI_WARN_UNKNOWN_GLYPH This warning code indicates that some of the\r
261 characters in the Unicode string could not be\r
262 rendered and were skipped.\r
6dcf9abc 263\r
264**/\r
95276127 265EFI_STATUS\r
266EFIAPI\r
267GraphicsConsoleConOutOutputString (\r
268 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
269 IN CHAR16 *WString\r
270 );\r
271\r
6dcf9abc 272/**\r
5c03ed0a 273 Verifies that all characters in a Unicode string can be output to the \r
274 target device.\r
275\r
6dcf9abc 276 Implements SIMPLE_TEXT_OUTPUT.TestString().\r
5c03ed0a 277 If one of the characters in the *Wstring is neither valid valid Unicode\r
278 drawing characters, not ASCII code, then this function will return\r
279 EFI_UNSUPPORTED\r
6dcf9abc 280\r
5c03ed0a 281 @param This Protocol instance pointer.\r
282 @param WString The NULL-terminated Unicode string to be examined for the output\r
283 device(s).\r
6dcf9abc 284\r
5c03ed0a 285 @retval EFI_SUCCESS The device(s) are capable of rendering the output string.\r
286 @retval EFI_UNSUPPORTED Some of the characters in the Unicode string cannot be\r
287 rendered by one or more of the output devices mapped\r
288 by the EFI handle.\r
6dcf9abc 289\r
290**/\r
95276127 291EFI_STATUS\r
292EFIAPI\r
293GraphicsConsoleConOutTestString (\r
294 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
295 IN CHAR16 *WString\r
296 );\r
297\r
6dcf9abc 298/**\r
24248368 299 Returns information for an available text mode that the output device(s)\r
300 supports\r
301\r
6dcf9abc 302 Implements SIMPLE_TEXT_OUTPUT.QueryMode().\r
24248368 303 It returnes information for an available text mode that the Graphics Console supports.\r
304 In this driver,we only support text mode 80x25, which is defined as mode 0.\r
6dcf9abc 305\r
24248368 306 @param This Protocol instance pointer.\r
6dcf9abc 307 @param ModeNumber The mode number to return information on.\r
308 @param Columns The returned columns of the requested mode.\r
309 @param Rows The returned rows of the requested mode.\r
310\r
24248368 311 @retval EFI_SUCCESS The requested mode information is returned.\r
312 @retval EFI_UNSUPPORTED The mode number is not valid.\r
6dcf9abc 313\r
314**/\r
95276127 315EFI_STATUS\r
316EFIAPI\r
317GraphicsConsoleConOutQueryMode (\r
318 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
319 IN UINTN ModeNumber,\r
320 OUT UINTN *Columns,\r
321 OUT UINTN *Rows\r
322 );\r
323\r
24248368 324\r
6dcf9abc 325/**\r
24248368 326 Sets the output device(s) to a specified mode.\r
327 \r
6dcf9abc 328 Implements SIMPLE_TEXT_OUTPUT.SetMode().\r
24248368 329 Set the Graphics Console to a specified mode. In this driver, we only support mode 0.\r
6dcf9abc 330\r
24248368 331 @param This Protocol instance pointer.\r
6dcf9abc 332 @param ModeNumber The text mode to set.\r
333\r
24248368 334 @retval EFI_SUCCESS The requested text mode is set.\r
335 @retval EFI_DEVICE_ERROR The requested text mode cannot be set because of \r
336 Graphics Console device error.\r
337 @retval EFI_UNSUPPORTED The text mode number is not valid.\r
6dcf9abc 338\r
339**/\r
95276127 340EFI_STATUS\r
341EFIAPI\r
342GraphicsConsoleConOutSetMode (\r
343 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
344 IN UINTN ModeNumber\r
345 );\r
346\r
6dcf9abc 347/**\r
5c03ed0a 348 Sets the background and foreground colors for the OutputString () and\r
349 ClearScreen () functions.\r
350\r
6dcf9abc 351 Implements SIMPLE_TEXT_OUTPUT.SetAttribute().\r
352\r
5c03ed0a 353 @param This Protocol instance pointer.\r
354 @param Attribute The attribute to set. Bits 0..3 are the foreground\r
355 color, and bits 4..6 are the background color. \r
356 All other bits are undefined and must be zero.\r
6dcf9abc 357\r
5c03ed0a 358 @retval EFI_SUCCESS The requested attribute is set.\r
359 @retval EFI_DEVICE_ERROR The requested attribute cannot be set due to Graphics Console port error.\r
360 @retval EFI_UNSUPPORTED The attribute requested is not defined.\r
6dcf9abc 361\r
362**/\r
95276127 363EFI_STATUS\r
364EFIAPI\r
365GraphicsConsoleConOutSetAttribute (\r
366 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
367 IN UINTN Attribute\r
368 );\r
369\r
6dcf9abc 370/**\r
24248368 371 Clears the output device(s) display to the currently selected background \r
372 color.\r
373\r
6dcf9abc 374 Implements SIMPLE_TEXT_OUTPUT.ClearScreen().\r
6dcf9abc 375\r
24248368 376 @param This Protocol instance pointer.\r
6dcf9abc 377\r
24248368 378 @retval EFI_SUCCESS The operation completed successfully.\r
379 @retval EFI_DEVICE_ERROR The device had an error and could not complete the request.\r
380 @retval EFI_UNSUPPORTED The output device is not in a valid text mode.\r
6dcf9abc 381\r
382**/\r
95276127 383EFI_STATUS\r
384EFIAPI\r
385GraphicsConsoleConOutClearScreen (\r
386 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This\r
387 );\r
388\r
6dcf9abc 389/**\r
5c03ed0a 390 Sets the current coordinates of the cursor position.\r
391\r
6dcf9abc 392 Implements SIMPLE_TEXT_OUTPUT.SetCursorPosition().\r
393\r
5c03ed0a 394 @param This Protocol instance pointer.\r
395 @param Column The position to set the cursor to. Must be greater than or\r
396 equal to zero and less than the number of columns and rows\r
397 by QueryMode ().\r
398 @param Row The position to set the cursor to. Must be greater than or\r
399 equal to zero and less than the number of columns and rows\r
400 by QueryMode ().\r
6dcf9abc 401\r
5c03ed0a 402 @retval EFI_SUCCESS The operation completed successfully.\r
403 @retval EFI_DEVICE_ERROR The device had an error and could not complete the request.\r
404 @retval EFI_UNSUPPORTED The output device is not in a valid text mode, or the\r
405 cursor position is invalid for the current mode.\r
6dcf9abc 406\r
407**/\r
95276127 408EFI_STATUS\r
409EFIAPI\r
410GraphicsConsoleConOutSetCursorPosition (\r
411 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
412 IN UINTN Column,\r
413 IN UINTN Row\r
414 );\r
415\r
24248368 416\r
6dcf9abc 417/**\r
24248368 418 Makes the cursor visible or invisible.\r
419\r
6dcf9abc 420 Implements SIMPLE_TEXT_OUTPUT.EnableCursor().\r
6dcf9abc 421\r
24248368 422 @param This Protocol instance pointer.\r
6dcf9abc 423 @param Visible If TRUE, the cursor is set to be visible, If FALSE,\r
424 the cursor is set to be invisible.\r
425\r
24248368 426 @retval EFI_SUCCESS The operation completed successfully.\r
6dcf9abc 427\r
428**/\r
95276127 429EFI_STATUS\r
430EFIAPI\r
431GraphicsConsoleConOutEnableCursor (\r
432 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
433 IN BOOLEAN Visible\r
434 );\r
435\r
24248368 436/**\r
8595bdaf 437 Test to see if Graphics Console could be supported on the Controller.\r
24248368 438\r
439 Graphics Console could be supported if Graphics Output Protocol or UGA Draw\r
8595bdaf 440 Protocol exists on the Controller. (UGA Draw Protocol could be skipped\r
24248368 441 if PcdUgaConsumeSupport is set to FALSE.)\r
442\r
443 @param This Protocol instance pointer.\r
8595bdaf 444 @param Controller Handle of device to test.\r
24248368 445 @param RemainingDevicePath Optional parameter use to pick a specific child\r
446 device to start.\r
447\r
8595bdaf 448 @retval EFI_SUCCESS This driver supports this device.\r
449 @retval other This driver does not support this device.\r
24248368 450\r
451**/\r
95276127 452EFI_STATUS\r
453EFIAPI\r
454GraphicsConsoleControllerDriverSupported (\r
455 IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
456 IN EFI_HANDLE Controller,\r
457 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
458 );\r
459\r
8595bdaf 460\r
24248368 461/**\r
8595bdaf 462 Start this driver on Controller by opening Graphics Output protocol or \r
463 UGA Draw protocol, and installing Simple Text Out protocol on Controller.\r
878670ea 464 (UGA Draw protocol could be skipped if PcdUgaConsumeSupport is set to FALSE.)\r
24248368 465 \r
466 @param This Protocol instance pointer.\r
8595bdaf 467 @param Controller Handle of device to bind driver to\r
24248368 468 @param RemainingDevicePath Optional parameter use to pick a specific child\r
469 device to start.\r
470\r
8595bdaf 471 @retval EFI_SUCCESS This driver is added to Controller.\r
472 @retval other This driver does not support this device.\r
24248368 473\r
474**/\r
95276127 475EFI_STATUS\r
476EFIAPI\r
477GraphicsConsoleControllerDriverStart (\r
478 IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
479 IN EFI_HANDLE Controller,\r
480 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
481 );\r
482\r
24248368 483/**\r
8595bdaf 484 Stop this driver on Controller by removing Simple Text Out protocol \r
485 and closing the Graphics Output Protocol or UGA Draw protocol on Controller.\r
878670ea 486 (UGA Draw protocol could be skipped if PcdUgaConsumeSupport is set to FALSE.)\r
24248368 487 \r
488\r
489 @param This Protocol instance pointer.\r
8595bdaf 490 @param Controller Handle of device to stop driver on\r
24248368 491 @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r
492 children is zero stop the entire bus driver.\r
493 @param ChildHandleBuffer List of Child Handles to Stop.\r
494\r
8595bdaf 495 @retval EFI_SUCCESS This driver is removed Controller.\r
24248368 496 @retval EFI_NOT_STARTED Simple Text Out protocol could not be found the \r
8595bdaf 497 Controller.\r
24248368 498 @retval other This driver was not removed from this device.\r
499\r
500**/\r
95276127 501EFI_STATUS\r
502EFIAPI\r
503GraphicsConsoleControllerDriverStop (\r
504 IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
505 IN EFI_HANDLE Controller,\r
506 IN UINTN NumberOfChildren,\r
507 IN EFI_HANDLE *ChildHandleBuffer\r
508 );\r
509\r
6dcf9abc 510\r
24248368 511/**\r
512 Locate HII Database protocol and HII Font protocol.\r
513\r
514 @retval EFI_SUCCESS HII Database protocol and HII Font protocol \r
515 are located successfully.\r
516 @return other Failed to locate HII Database protocol or \r
517 HII Font protocol.\r
518\r
519**/\r
93e3992d 520EFI_STATUS\r
521EfiLocateHiiProtocol (\r
522 VOID\r
ed66e1bc 523 );\r
93e3992d 524\r
525\r
5c03ed0a 526/**\r
527 Gets Graphics Console devcie's foreground color and background color.\r
528\r
529 @param This Protocol instance pointer.\r
530 @param Foreground Returned text foreground color.\r
531 @param Background Returned text background color.\r
532\r
533 @retval EFI_SUCCESS It returned always.\r
534\r
535**/\r
536EFI_STATUS\r
537GetTextColors (\r
538 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
539 OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Foreground,\r
540 OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Background\r
541 );\r
542\r
543/**\r
544 Draw Unicode string on the Graphics Console device's screen.\r
545\r
546 @param This Protocol instance pointer.\r
547 @param UnicodeWeight One Unicode string to be displayed.\r
548 @param Count The count of Unicode string.\r
549\r
550 @retval EFI_OUT_OF_RESOURCES If no memory resource to use.\r
551 @retval EFI_UNSUPPORTED If no Graphics Output protocol and UGA Draw\r
552 protocol exist.\r
553 @retval EFI_SUCCESS Drawing Unicode string implemented successfully.\r
554\r
555**/\r
556EFI_STATUS\r
557DrawUnicodeWeightAtCursorN (\r
558 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
559 IN CHAR16 *UnicodeWeight,\r
560 IN UINTN Count\r
561 );\r
562\r
563/**\r
564 Erase the cursor on the screen.\r
565\r
566 @param This Protocol instance pointer.\r
567\r
568 @retval EFI_SUCCESS The cursor is erased successfully.\r
569\r
570**/\r
571EFI_STATUS\r
572EraseCursor (\r
573 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This\r
574 );\r
575\r
576/**\r
577 Check if the current specific mode supported the user defined resolution\r
578 for the Graphics Console device based on Graphics Output Protocol.\r
579\r
580 If yes, set the graphic device's current mode to this specific mode.\r
581 \r
582 @param GraphicsOutput Graphics Output Protocol instance pointer.\r
583 @param HorizontalResolution User defined horizontal resolution\r
584 @param VerticalResolution User defined vertical resolution.\r
585 @param CurrentModeNumber Current specific mode to be check.\r
586\r
587 @retval EFI_SUCCESS The mode is supported.\r
588 @retval EFI_UNSUPPORTED The specific mode is out of range of graphics \r
589 device supported.\r
590 @retval other The specific mode does not support user defined \r
591 resolution or failed to set the current mode to the \r
592 specific mode on graphics device.\r
593\r
594**/\r
595EFI_STATUS\r
596CheckModeSupported (\r
597 EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput,\r
598 IN UINT32 HorizontalResolution,\r
599 IN UINT32 VerticalResolution,\r
600 OUT UINT32 *CurrentModeNumber\r
601 );\r
602\r
95276127 603#endif\r