font.c File Reference

#include "bl.h"

Include dependency graph for font.c:

Go to the source code of this file.

Functions
NTSTATUS	BfiLoadFontFile (_In_ PBL_DEVICE_DESCRIPTOR FontDevice, _In_ PWCHAR FontPath)
VOID	BfiFreeDeferredFontFile (_In_ PBL_DEFERRED_FONT_FILE DeferredFontFile)
NTSTATUS	BfLoadFontFile (_In_ PBL_DEVICE_DESCRIPTOR Device, _In_ PWCHAR FontPath)
NTSTATUS	BfLoadDeferredFontFiles (VOID)
NTSTATUS	BfiFlipCursorCharacter (_In_ PBL_GRAPHICS_CONSOLE Console, _In_ BOOLEAN Visible)
NTSTATUS	BfClearToEndOfLine (_In_ PBL_GRAPHICS_CONSOLE Console)
NTSTATUS	BfClearScreen (_In_ PBL_GRAPHICS_CONSOLE Console)

Variables
LIST_ENTRY	BfiDeferredListHead

Function Documentation

BfClearScreen()

NTSTATUS BfClearScreen

(

_In_ PBL_GRAPHICS_CONSOLE

Console

)

Definition at line 158 of file font.c.

{
    NTSTATUS Status;
 
    /* Reset the cursor position */
    Console->TextConsole.State.XPos = 0;
    Console->TextConsole.State.YPos = 0;
 
    /* Fill the screen with the background color */
    Status = ConsoleGraphicalClearPixels(Console,
                                         Console->TextConsole.State.BgColor);
    if (!NT_SUCCESS(Status))
    {
        return Status;
    }
 
    /* Check if the cursor should be visible */
    if (Console->TextConsole.State.CursorVisible)
    {
        /* Load any fonts at this time */
        if (!IsListEmpty(&BfiDeferredListHead))
        {
            BfLoadDeferredFontFiles();
        }
 
        /* Switch the cursor to visible */
        Status = BfiFlipCursorCharacter(Console, TRUE);
    }
    else
    {
        /* Nothing left to do */
        Status = STATUS_SUCCESS;
    }
 
    /* Return cursor flip result, if any */
    return Status;
}

Referenced by ConsoleGraphicalClearText().

BfClearToEndOfLine()

NTSTATUS BfClearToEndOfLine

(

_In_ PBL_GRAPHICS_CONSOLE

Console

)

Definition at line 149 of file font.c.

{
    /* not implemented */
    return STATUS_NOT_IMPLEMENTED;
}

Referenced by ConsoleGraphicalClearText().

BfiFlipCursorCharacter()

NTSTATUS BfiFlipCursorCharacter	(	_In_ PBL_GRAPHICS_CONSOLE	Console,
		_In_ BOOLEAN	Visible
	)

Definition at line 139 of file font.c.

{
    /* not implemented */
    return STATUS_NOT_IMPLEMENTED;
}

Referenced by BfClearScreen().

BfiFreeDeferredFontFile()

VOID BfiFreeDeferredFontFile

(

_In_ PBL_DEFERRED_FONT_FILE

DeferredFontFile

)

Definition at line 30 of file font.c.

{
    /* Free the device copy if there was one */
    if (DeferredFontFile->Device)
    {
        BlMmFreeHeap(DeferredFontFile->Device);
    }
 
    /* Free the path copy if there was one */
    if (DeferredFontFile->FontPath)
    {
        BlMmFreeHeap(DeferredFontFile->FontPath);
    }
 
    /* Free the whole thing */
    BlMmFreeHeap(DeferredFontFile);
}

Referenced by BfLoadDeferredFontFiles(), BfLoadFontFile(), and BlpDisplayRegisterLocale().

BfiLoadFontFile()

NTSTATUS BfiLoadFontFile	(	_In_ PBL_DEVICE_DESCRIPTOR	FontDevice,
		_In_ PWCHAR	FontPath
	)

Definition at line 20 of file font.c.

{
    EfiPrintf(L"Cannot load font %s, no font loader exists\r\n", FontPath);
    return STATUS_NOT_IMPLEMENTED;
}

Referenced by BfLoadDeferredFontFiles().

BfLoadDeferredFontFiles()

NTSTATUS BfLoadDeferredFontFiles

(

VOID

)

Definition at line 99 of file font.c.

{
    PLIST_ENTRY NextEntry;
    PBL_DEFERRED_FONT_FILE DeferredFont;
    NTSTATUS Status, LoadStatus;
 
    /* Assume empty list */
    Status = STATUS_SUCCESS;
 
    /* Parse the list */
    NextEntry = BfiDeferredListHead.Flink;
    while (NextEntry != &BfiDeferredListHead)
    {
        /* Get the font */
        DeferredFont = CONTAINING_RECORD(NextEntry, BL_DEFERRED_FONT_FILE, ListEntry);
 
        /* Move to the next entry and remove this one */
        NextEntry = NextEntry->Flink;
        RemoveEntryList(&DeferredFont->ListEntry);
 
        /* Load the font */
        LoadStatus = BfiLoadFontFile(DeferredFont->Device,
                                     DeferredFont->FontPath);
        if (!NT_SUCCESS(LoadStatus))
        {
            /* Remember the load failure if there was one */
            Status = LoadStatus;
        }
 
        /* Free the deferred font */
        BfiFreeDeferredFontFile(DeferredFont);
    }
 
    /* Return load status */
    return Status;
}

Referenced by BfClearScreen(), and BlResourceFindMessage().

BfLoadFontFile()

NTSTATUS BfLoadFontFile	(	_In_ PBL_DEVICE_DESCRIPTOR	Device,
		_In_ PWCHAR	FontPath
	)

Definition at line 51 of file font.c.

{
    PBL_DEFERRED_FONT_FILE DeferredFont;
    SIZE_T FontPathSize;
 
    /* Allocate the deferred font structure */
    DeferredFont = (PBL_DEFERRED_FONT_FILE)BlMmAllocateHeap(sizeof(*DeferredFont));
    if (!DeferredFont)
    {
        return STATUS_NO_MEMORY;
    }
 
    /* Zero it out */
    RtlZeroMemory(DeferredFont, sizeof(*DeferredFont));
 
    /* Allocate a copy for the file path */
    FontPathSize = sizeof(WCHAR) * wcslen(FontPath) + sizeof(UNICODE_NULL);
    DeferredFont->FontPath = (PWCHAR)BlMmAllocateHeap(FontPathSize);
    if (!DeferredFont->FontPath)
    {
        BfiFreeDeferredFontFile(DeferredFont);
        return STATUS_NO_MEMORY;
    }
 
    /* Allocate a copy for the device */
    DeferredFont->Device = BlMmAllocateHeap(Device->Size);
    if (!DeferredFont->Device)
    {
        BfiFreeDeferredFontFile(DeferredFont);
        return STATUS_NO_MEMORY;
    }
 
    /* Copy the path and device */
    RtlCopyMemory(DeferredFont->FontPath, FontPath, FontPathSize);
    RtlCopyMemory(DeferredFont->Device,Device, Device->Size);
 
    /* Set pending flag? */
    DeferredFont->Flags = 1;
 
    /* Insert it into the list */
    InsertTailList(&BfiDeferredListHead, &DeferredFont->ListEntry);
    return STATUS_SUCCESS;
}

Referenced by DsppLoadFontFile().

Variable Documentation

BfiDeferredListHead

LIST_ENTRY BfiDeferredListHead

Definition at line 15 of file font.c.

Referenced by BfClearScreen(), BfLoadDeferredFontFiles(), and BfLoadFontFile().