mirror of
https://github.com/reactos/reactos.git
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197 lines
4.8 KiB
C
197 lines
4.8 KiB
C
/*
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* COPYRIGHT: See COPYING.ARM in the top level directory
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* PROJECT: ReactOS UEFI Boot Library
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* FILE: boot/environ/lib/misc/font.c
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* PURPOSE: Boot Library Font Functions
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* PROGRAMMER: Alex Ionescu (alex.ionescu@reactos.org)
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*/
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/* INCLUDES ******************************************************************/
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#include "bl.h"
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/* DATA VARIABLES ************************************************************/
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LIST_ENTRY BfiDeferredListHead;
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/* FUNCTIONS *****************************************************************/
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NTSTATUS
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BfiLoadFontFile (
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_In_ PBL_DEVICE_DESCRIPTOR FontDevice,
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_In_ PWCHAR FontPath
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)
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{
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EfiPrintf(L"Cannot load font %s, no font loader exists\r\n", FontPath);
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return STATUS_NOT_IMPLEMENTED;
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}
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VOID
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BfiFreeDeferredFontFile (
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_In_ PBL_DEFERRED_FONT_FILE DeferredFontFile
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)
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{
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/* Free the device copy if there was one */
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if (DeferredFontFile->Device)
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{
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BlMmFreeHeap(DeferredFontFile->Device);
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}
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/* Free the path copy if there was one */
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if (DeferredFontFile->FontPath)
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{
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BlMmFreeHeap(DeferredFontFile->FontPath);
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}
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/* Free the whole thing */
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BlMmFreeHeap(DeferredFontFile);
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}
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NTSTATUS
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BfLoadFontFile (
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_In_ PBL_DEVICE_DESCRIPTOR Device,
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_In_ PWCHAR FontPath
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)
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{
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PBL_DEFERRED_FONT_FILE DeferredFont;
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SIZE_T FontPathSize;
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/* Allocate the deferred font structure */
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DeferredFont = (PBL_DEFERRED_FONT_FILE)BlMmAllocateHeap(sizeof(*DeferredFont));
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if (!DeferredFont)
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{
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return STATUS_NO_MEMORY;
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}
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/* Zero it out */
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RtlZeroMemory(DeferredFont, sizeof(*DeferredFont));
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/* Allocate a copy for the file path */
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FontPathSize = sizeof(WCHAR) * wcslen(FontPath) + sizeof(UNICODE_NULL);
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DeferredFont->FontPath = (PWCHAR)BlMmAllocateHeap(FontPathSize);
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if (!DeferredFont->FontPath)
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{
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BfiFreeDeferredFontFile(DeferredFont);
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return STATUS_NO_MEMORY;
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}
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/* Allocate a copy for the device */
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DeferredFont->Device = BlMmAllocateHeap(Device->Size);
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if (!DeferredFont->Device)
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{
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BfiFreeDeferredFontFile(DeferredFont);
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return STATUS_NO_MEMORY;
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}
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/* Copy the path and device */
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RtlCopyMemory(DeferredFont->FontPath, FontPath, FontPathSize);
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RtlCopyMemory(DeferredFont->Device,Device, Device->Size);
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/* Set pending flag? */
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DeferredFont->Flags = 1;
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/* Insert it into the list */
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InsertTailList(&BfiDeferredListHead, &DeferredFont->ListEntry);
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return STATUS_SUCCESS;
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}
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NTSTATUS
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BfLoadDeferredFontFiles (
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VOID
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)
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{
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PLIST_ENTRY NextEntry;
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PBL_DEFERRED_FONT_FILE DeferredFont;
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NTSTATUS Status, LoadStatus;
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/* Assume empty list */
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Status = STATUS_SUCCESS;
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/* Parse the list */
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NextEntry = BfiDeferredListHead.Flink;
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while (NextEntry != &BfiDeferredListHead)
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{
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/* Get the font */
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DeferredFont = CONTAINING_RECORD(NextEntry, BL_DEFERRED_FONT_FILE, ListEntry);
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/* Move to the next entry and remove this one */
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NextEntry = NextEntry->Flink;
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RemoveEntryList(&DeferredFont->ListEntry);
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/* Load the font */
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LoadStatus = BfiLoadFontFile(DeferredFont->Device,
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DeferredFont->FontPath);
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if (!NT_SUCCESS(LoadStatus))
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{
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/* Remember the load failure if there was one */
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Status = LoadStatus;
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}
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/* Free the deferred font */
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BfiFreeDeferredFontFile(DeferredFont);
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}
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/* Return load status */
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return Status;
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}
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NTSTATUS
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BfiFlipCursorCharacter (
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_In_ PBL_GRAPHICS_CONSOLE Console,
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_In_ BOOLEAN Visible
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)
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{
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/* not implemented */
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS
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BfClearToEndOfLine (
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_In_ PBL_GRAPHICS_CONSOLE Console
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)
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{
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/* not implemented */
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS
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BfClearScreen (
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_In_ PBL_GRAPHICS_CONSOLE Console
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)
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{
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NTSTATUS Status;
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/* Reset the cursor position */
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Console->TextConsole.State.XPos = 0;
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Console->TextConsole.State.YPos = 0;
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/* Fill the screen with the background color */
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Status = ConsoleGraphicalClearPixels(Console,
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Console->TextConsole.State.BgColor);
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if (!NT_SUCCESS(Status))
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{
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return Status;
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}
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/* Check if the cursor should be visible */
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if (Console->TextConsole.State.CursorVisible)
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{
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/* Load any fonts at this time */
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if (!IsListEmpty(&BfiDeferredListHead))
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{
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BfLoadDeferredFontFiles();
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}
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/* Switch the cursor to visible */
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Status = BfiFlipCursorCharacter(Console, TRUE);
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}
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else
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{
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/* Nothing left to do */
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Status = STATUS_SUCCESS;
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}
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/* Return cursor flip result, if any */
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return Status;
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}
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