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138 lines
3.0 KiB
138 lines
3.0 KiB
/*++
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Copyright (c) 1985 - 1999, Microsoft Corporation
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Module Name:
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foncache.h
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Abstract:
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This file is definition of fullscreen dll
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Author:
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Kazuhiko Matsubara 21-June-1994
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Revision History:
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Notes:
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--*/
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typedef struct _FONT_IMAGE {
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LIST_ENTRY ImageList; // link list of other font size.
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COORD FontSize;
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PBYTE ImageBits; // WORD aligned.
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} FONT_IMAGE, *PFONT_IMAGE;
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typedef struct _FONT_LOW_OFFSET {
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PFONT_IMAGE FontOffsetLow[256]; // array is low order of Unicode <i.e LOBYTE(Unicode)>
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} FONT_LOW_OFFSET, *PFONT_LOW_OFFSET;
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typedef struct _FONT_HIGHLOW_OFFSET {
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PFONT_LOW_OFFSET FontOffsetHighLow[16]; // array is high (3-0bit) order of Unicode <i.e LO4BIT(HIBYTE(Unicode))>
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} FONT_HIGHLOW_OFFSET, *PFONT_HIGHLOW_OFFSET;
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typedef struct _FONT_HIGHHIGH_OFFSET {
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PFONT_HIGHLOW_OFFSET FontOffsetHighHigh[16]; // array is high (7-4bit) order of Unicode <i.e HI4BIT(HIBYTE(Unicode))>
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} FONT_HIGHHIGH_OFFSET, *PFONT_HIGHHIGH_OFFSET;
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typedef struct _FONT_CACHE_INFORMATION {
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ULONG FullScreenFontIndex;
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COORD FullScreenFontSize;
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PBYTE BaseImageBits;
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FONT_HIGHHIGH_OFFSET FontTable;
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} FONT_CACHE_INFORMATION, *PFONT_CACHE_INFORMATION;
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#define FONT_MATCHED 1
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#define FONT_STRETCHED 2
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#define ADD_IMAGE 1
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#define REPLACE_IMAGE 2
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#define BITMAP_BITS_BYTE_ALIGN 8 // BYTE align is 8 bit
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#define BITMAP_BITS_WORD_ALIGN 16 // WORD align is 16 bit
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#define BITMAP_ARRAY_BYTE 3 // BYTE array is 8 bit (shift count = 3)
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typedef struct _FONT_CACHE_AREA {
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PFONT_IMAGE FontImage;
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DWORD Area;
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} FONT_CACHE_AREA, *PFONT_CACHE_AREA;
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#define BITMAP_PLANES 1
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#define BITMAP_BITS_PIXEL 1
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#define BYTE_ALIGN sizeof(BYTE)
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#define WORD_ALIGN sizeof(WORD)
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//
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// Font cache manager
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//
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ULONG
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CreateFontCache(
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OUT PFONT_CACHE_INFORMATION *FontCache
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);
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ULONG
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DestroyFontCache(
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IN PFONT_CACHE_INFORMATION FontCache
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);
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ULONG
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GetFontImage(
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IN PFONT_CACHE_INFORMATION FontCache,
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IN WCHAR wChar,
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IN COORD FontSize,
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IN DWORD dwAlign,
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OUT VOID *ImageBits
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);
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ULONG
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GetStretchedFontImage(
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IN PFONT_CACHE_INFORMATION FontCache,
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IN WCHAR wChar,
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IN COORD FontSize,
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IN DWORD dwAlign,
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OUT VOID *ImageBits
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);
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ULONG
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GetFontImagePointer(
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IN PFONT_CACHE_INFORMATION FontCache,
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IN WCHAR wChar,
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IN COORD FontSize,
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OUT PFONT_IMAGE *FontImage
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);
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ULONG
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SetFontImage(
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IN PFONT_CACHE_INFORMATION FontCache,
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IN WCHAR wChar,
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IN COORD FontSize,
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IN DWORD dwAlign,
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IN CONST VOID *ImageBits
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);
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DWORD
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CalcBitmapBufferSize(
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IN COORD FontSize,
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IN DWORD dwAlign
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);
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NTSTATUS
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GetExpandFontImage(
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PFONT_CACHE_INFORMATION FontCache,
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WCHAR wChar,
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COORD InputFontSize,
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COORD OutputFontSize,
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PWORD OutputFontImage
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);
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