You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
138 lines
6.0 KiB
138 lines
6.0 KiB
/****************************************************************************/
|
|
/* acmapi.h */
|
|
/* */
|
|
/* Cursor Manager API Header File. */
|
|
/* */
|
|
/* Copyright(c) Microsoft, PictureTel 1992-1996 */
|
|
/* Copyright (c) Microsoft 1997-1999 */
|
|
/****************************************************************************/
|
|
#ifndef _H_ACMAPI
|
|
#define _H_ACMAPI
|
|
|
|
|
|
// Default capabilities.
|
|
#define CM_DEFAULT_TX_CACHE_ENTRIES 25
|
|
#define CM_DEFAULT_RX_CACHE_ENTRIES 25
|
|
|
|
|
|
/****************************************************************************/
|
|
/* Maximum cursor sizes. */
|
|
/****************************************************************************/
|
|
#define CM_MAX_CURSOR_WIDTH 32
|
|
#define CM_MAX_CURSOR_HEIGHT 32
|
|
|
|
|
|
/****************************************************************************/
|
|
/* This is the maximum size of the cursor data for the combined 1bpp AND */
|
|
/* mask and n bpp XOR mask. We currently allow for a 32x32 cursor at */
|
|
/* 32bpp. In this case the AND mask consumes 32*32/8 bytes (128) and the */
|
|
/* XOR mask consumes 32*32*4 (4096) bytes. */
|
|
/****************************************************************************/
|
|
#define CM_MAX_CURSOR_DATA_SIZE \
|
|
((CM_MAX_CURSOR_WIDTH * CM_MAX_CURSOR_HEIGHT * 33)/8)
|
|
|
|
|
|
#define CURSOR_AND_MASK_SIZE(pCursorShape) \
|
|
((pCursorShape)->hdr.cbMaskRowWidth * (pCursorShape)->hdr.cy)
|
|
|
|
|
|
#define ROW_WORD_PAD(cbUnpaddedRow) \
|
|
(((cbUnpaddedRow) + 1) & ~1)
|
|
|
|
|
|
#define CURSOR_DIB_BITS_SIZE(cx, cy, bpp) \
|
|
((((cx) * (bpp) + 15) & ~15) / 8 * (cy))
|
|
|
|
#define CURSOR_XOR_BITMAP_SIZE(pCursorShape) \
|
|
(CURSOR_DIB_BITS_SIZE((pCursorShape)->hdr.cx, (pCursorShape)->hdr.cy, \
|
|
(pCursorShape)->hdr.cBitsPerPel))
|
|
|
|
|
|
|
|
#define CURSORSHAPE_SIZE(pCursorShape) \
|
|
sizeof(CM_CURSORSHAPEHDR) + \
|
|
CURSOR_AND_MASK_SIZE(pCursorShape) + \
|
|
CURSOR_XOR_BITMAP_SIZE(pCursorShape)
|
|
|
|
|
|
/****************************************************************************/
|
|
/* Null cursor indications */
|
|
/****************************************************************************/
|
|
#define CM_CURSOR_IS_NULL(pCursor) ((((pCursor)->hdr.cPlanes==(BYTE)0xFF) && \
|
|
(pCursor)->hdr.cBitsPerPel == (BYTE)0xFF))
|
|
|
|
#define CM_SET_NULL_CURSOR(pCursor) (pCursor)->hdr.cPlanes = 0xFF; \
|
|
(pCursor)->hdr.cBitsPerPel = 0xFF;
|
|
|
|
/****************************************************************************/
|
|
/* Windows CURSORSHAPE definitions */
|
|
/****************************************************************************/
|
|
typedef struct _CM_CURSORSHAPEHDR
|
|
{
|
|
POINT ptHotSpot;
|
|
WORD cx;
|
|
WORD cy;
|
|
WORD cbMaskRowWidth;
|
|
unsigned cbColorRowWidth;
|
|
BYTE cPlanes;
|
|
BYTE cBitsPerPel;
|
|
} CM_CURSORSHAPEHDR, *PCM_CURSORSHAPEHDR;
|
|
|
|
typedef struct _CM_CURSORSHAPE
|
|
{
|
|
CM_CURSORSHAPEHDR hdr;
|
|
BYTE Masks[1]; /* 1bpp AND mask, followed by n bpp XOR mask */
|
|
} CM_CURSORSHAPE, *PCM_CURSORSHAPE;
|
|
|
|
typedef struct tagCM_CURSOR_SHAPE_DATA
|
|
{
|
|
CM_CURSORSHAPEHDR hdr;
|
|
BYTE data[CM_MAX_CURSOR_DATA_SIZE];
|
|
} CM_CURSOR_SHAPE_DATA, *PCM_CURSOR_SHAPE_DATA;
|
|
|
|
|
|
/****************************************************************************/
|
|
/* Structure: CM_SHARED_DATA */
|
|
/* */
|
|
/* Description: Shared memory data - cursor description and usage flag */
|
|
/* */
|
|
/* cmCursorStamp - Cursor identifier: an integer written by the */
|
|
/* display driver */
|
|
/* cmCacheSize - number of entries required in cursor cache */
|
|
/* cmCacheHit - cursor was found in the cache */
|
|
/* cmBitsWaiting - there are bits waiting to be sent - set by the DD */
|
|
/* and cleared by the WD */
|
|
/* cmCacheEntry - cache entry to send */
|
|
/* cmCursorShapeData - Cursor definition (AND, XOR masks, etc) */
|
|
/* cmCursorPos - Pointer coords */
|
|
/* cmCursorMoved - Flag indicating that cursor moved */
|
|
/* cmHidden - Set if cursor hidden */
|
|
/* cmNativeColor - Flag indicating that can use native cursor color */
|
|
/* depth */
|
|
#ifdef DC_HICOLOR
|
|
/* cmSendAnyColor - Flag indicating that cursors may be sent at any */
|
|
/* color depth, ie including 15/16bpp */
|
|
#endif
|
|
/* */
|
|
/****************************************************************************/
|
|
typedef struct tagCM_SHARED_DATA
|
|
{
|
|
UINT32 cmCursorStamp;
|
|
UINT32 cmCacheSize;
|
|
BOOLEAN cmCacheHit;
|
|
BOOLEAN cmBitsWaiting;
|
|
BOOLEAN cmCursorMoved;
|
|
BOOLEAN cmHidden;
|
|
BOOLEAN cmNativeColor;
|
|
#ifdef DC_HICOLOR
|
|
BOOLEAN cmSendAnyColor;
|
|
#endif
|
|
UINT32 cmCacheEntry;
|
|
POINTL cmCursorPos;
|
|
CM_CURSOR_SHAPE_DATA cmCursorShapeData; // Needs to be last for memset in CM_InitShm()
|
|
} CM_SHARED_DATA, *PCM_SHARED_DATA;
|
|
|
|
|
|
|
|
#endif /* #ifndef _H_ACMAPI */
|
|
|