https://git.reactos.org/?p=reactos.git;a=commitdiff;h=aaa416d36afafb0e44ec3deccd235bdf5f2f61c1
commit aaa416d36afafb0e44ec3deccd235bdf5f2f61c1 Author: Hervé Poussineau <[email protected]> AuthorDate: Sat Apr 25 21:34:16 2020 +0200 Commit: Hervé Poussineau <[email protected]> CommitDate: Sun Apr 26 14:54:09 2020 +0200 [BLUE] Add an IOCTL to directly choose which font to use (instead of codepage) --- drivers/setup/blue/blue.c | 53 +++++++++++++++++++++++++++-- drivers/setup/blue/blue.h | 1 + drivers/setup/blue/font.c | 22 ++++++++++++ sdk/include/reactos/drivers/blue/ntddblue.h | 1 + 4 files changed, 75 insertions(+), 2 deletions(-) diff --git a/drivers/setup/blue/blue.c b/drivers/setup/blue/blue.c index def5049fa32..1a911689cef 100644 --- a/drivers/setup/blue/blue.c +++ b/drivers/setup/blue/blue.c @@ -38,6 +38,7 @@ typedef struct _DEVICE_EXTENSION USHORT Rows; /* Number of rows */ USHORT Columns; /* Number of columns */ USHORT CursorX, CursorY; /* Cursor position */ + PUCHAR FontBitfield; /* Specifies the font. If NULL, use CodePage */ ULONG CodePage; /* Specifies the font associated to this code page */ } DEVICE_EXTENSION, *PDEVICE_EXTENSION; @@ -483,8 +484,15 @@ ScrAcquireOwnership( // DeviceExtension->CursorX = min(max(DeviceExtension->CursorX, 0), DeviceExtension->Columns - 1); DeviceExtension->CursorY = min(max(DeviceExtension->CursorY, 0), DeviceExtension->Rows - 1); - /* Upload a default font for the current codepage */ - ScrLoadFontTable(DeviceExtension->CodePage); + if (DeviceExtension->FontBitfield) + { + ScrSetFont(DeviceExtension->FontBitfield); + } + else + { + /* Upload a default font for the current codepage */ + ScrLoadFontTable(DeviceExtension->CodePage); + } DPRINT("%d Columns %d Rows %d Scanlines\n", DeviceExtension->Columns, @@ -511,6 +519,12 @@ ScrResetScreen( DeviceExtension->CursorSize = 5; /* FIXME: value correct?? */ DeviceExtension->CursorVisible = TRUE; + if (DeviceExtension->FontBitfield) + { + ExFreePoolWithTag(DeviceExtension->FontBitfield, TAG_BLUE); + DeviceExtension->FontBitfield = NULL; + } + /* More initialization */ DeviceExtension->CharAttribute = BACKGROUND_BLUE | FOREGROUND_LIGHTGRAY; DeviceExtension->Mode = ENABLE_PROCESSED_OUTPUT | @@ -1496,6 +1510,11 @@ ScrIoControl( } ASSERT(Irp->AssociatedIrp.SystemBuffer); + if (DeviceExtension->FontBitfield) + { + ExFreePoolWithTag(DeviceExtension->FontBitfield, TAG_BLUE); + DeviceExtension->FontBitfield = NULL; + } DeviceExtension->CodePage = *(PULONG)Irp->AssociatedIrp.SystemBuffer; /* Upload a font for the codepage if needed */ @@ -1507,6 +1526,36 @@ ScrIoControl( break; } + case IOCTL_CONSOLE_SETFONT: + { + /* Validate input buffer */ + if (stk->Parameters.DeviceIoControl.InputBufferLength < 256 * 8) + { + Status = STATUS_INVALID_PARAMETER; + break; + } + ASSERT(Irp->AssociatedIrp.SystemBuffer); + + DeviceExtension->CodePage = 0; + if (DeviceExtension->FontBitfield) + ExFreePoolWithTag(DeviceExtension->FontBitfield, TAG_BLUE); + DeviceExtension->FontBitfield = ExAllocatePoolWithTag(NonPagedPool, 256 * 8, TAG_BLUE); + if (!DeviceExtension->FontBitfield) + { + Status = STATUS_NO_MEMORY; + break; + } + RtlCopyMemory(DeviceExtension->FontBitfield, Irp->AssociatedIrp.SystemBuffer, 256 * 8); + + /* Upload the font if needed */ + if (DeviceExtension->Enabled && DeviceExtension->VideoMemory) + ScrSetFont(DeviceExtension->FontBitfield); + + Irp->IoStatus.Information = 0; + Status = STATUS_SUCCESS; + break; + } + default: Status = STATUS_NOT_IMPLEMENTED; } diff --git a/drivers/setup/blue/blue.h b/drivers/setup/blue/blue.h index 335313abe15..3a3af7a4511 100644 --- a/drivers/setup/blue/blue.h +++ b/drivers/setup/blue/blue.h @@ -145,5 +145,6 @@ typedef struct _CFFILE #define PELDATA (PUCHAR)0x3c9 VOID ScrLoadFontTable(_In_ ULONG CodePage); +VOID ScrSetFont(_In_ PUCHAR FontBitfield); #endif /* _BLUE_PCH_ */ diff --git a/drivers/setup/blue/font.c b/drivers/setup/blue/font.c index 11f2438dd73..69b3651c49d 100644 --- a/drivers/setup/blue/font.c +++ b/drivers/setup/blue/font.c @@ -62,6 +62,28 @@ ScrLoadFontTable( CloseBitPlane(); } +VOID +ScrSetFont( + _In_ PUCHAR FontBitfield) +{ + PHYSICAL_ADDRESS BaseAddress; + PUCHAR Bitplane; + + /* open bit plane for font table access */ + OpenBitPlane(); + + /* get pointer to video memory */ + BaseAddress.QuadPart = BITPLANE_BASE; + Bitplane = (PUCHAR)MmMapIoSpace(BaseAddress, 0xFFFF, MmNonCached); + + LoadFont(Bitplane, FontBitfield); + + MmUnmapIoSpace(Bitplane, 0xFFFF); + + /* close bit plane */ + CloseBitPlane(); +} + /* PRIVATE FUNCTIONS *********************************************************/ NTSTATUS diff --git a/sdk/include/reactos/drivers/blue/ntddblue.h b/sdk/include/reactos/drivers/blue/ntddblue.h index 0d41d0f158d..1c6d22e5008 100644 --- a/sdk/include/reactos/drivers/blue/ntddblue.h +++ b/sdk/include/reactos/drivers/blue/ntddblue.h @@ -22,6 +22,7 @@ #define IOCTL_CONSOLE_DRAW CTL_CODE(FILE_DEVICE_SCREEN, 0x830, METHOD_IN_DIRECT, FILE_WRITE_ACCESS) #define IOCTL_CONSOLE_LOADFONT CTL_CODE(FILE_DEVICE_SCREEN, 0x840, METHOD_IN_DIRECT, FILE_WRITE_ACCESS) +#define IOCTL_CONSOLE_SETFONT CTL_CODE(FILE_DEVICE_SCREEN, 0x841, METHOD_IN_DIRECT, FILE_WRITE_ACCESS) /* TYPEDEFS **************************************************************/
