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/*
* GDI definitions
*
* Copyright 1993 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef __WINE_GDI_PRIVATE_H
#define __WINE_GDI_PRIVATE_H
#include <math.h>
#include <stdlib.h>
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "wine/gdi_driver.h"
/* Metafile defines */
#define META_EOF 0x0000
/* values of mtType in METAHEADER. Note however that the disk image of a disk
based metafile has mtType == 1 */
#define METAFILE_MEMORY 1
#define METAFILE_DISK 2
#define MFHEADERSIZE (sizeof(METAHEADER))
#define MFVERSION 0x300
typedef struct {
EMR emr;
INT nBreakExtra;
INT nBreakCount;
} EMRSETTEXTJUSTIFICATION, *PEMRSETTEXTJUSTIFICATION;
/* extra stock object: default 1x1 bitmap for memory DCs */
#define DEFAULT_BITMAP (STOCK_LAST+1)
struct gdi_obj_funcs
{
HGDIOBJ (*pSelectObject)( HGDIOBJ handle, HDC hdc );
INT (*pGetObjectA)( HGDIOBJ handle, INT count, LPVOID buffer );
INT (*pGetObjectW)( HGDIOBJ handle, INT count, LPVOID buffer );
BOOL (*pUnrealizeObject)( HGDIOBJ handle );
BOOL (*pDeleteObject)( HGDIOBJ handle );
};
struct hdc_list
{
HDC hdc;
struct hdc_list *next;
};
typedef struct tagGDIOBJHDR
{
WORD type; /* object type (one of the OBJ_* constants) */
WORD system : 1; /* system object flag */
WORD deleted : 1; /* whether DeleteObject has been called on this object */
DWORD selcount; /* number of times the object is selected in a DC */
const struct gdi_obj_funcs *funcs;
struct hdc_list *hdcs;
} GDIOBJHDR;
/* It should not be necessary to access the contents of the GdiPath
* structure directly; if you find that the exported functions don't
* allow you to do what you want, then please place a new exported
* function that does this job in path.c.
*/
typedef enum tagGdiPathState
{
PATH_Null,
PATH_Open,
PATH_Closed
} GdiPathState;
typedef struct tagGdiPath
{
GdiPathState state;
POINT *pPoints;
BYTE *pFlags;
int numEntriesUsed, numEntriesAllocated;
BOOL newStroke;
} GdiPath;
typedef struct tagGdiFont GdiFont;
typedef struct tagDC
{
GDIOBJHDR header;
HDC hSelf; /* Handle to this DC */
struct gdi_physdev nulldrv; /* physdev for the null driver */
PHYSDEV dibdrv; /* physdev for the dib driver */
PHYSDEV physDev; /* current top of the physdev stack */
DWORD thread; /* thread owning the DC */
LONG refcount; /* thread refcount */
LONG dirty; /* dirty flag */
INT saveLevel;
struct tagDC *saved_dc;
DWORD_PTR dwHookData;
DCHOOKPROC hookProc; /* DC hook */
INT wndOrgX; /* Window origin */
INT wndOrgY;
INT wndExtX; /* Window extent */
INT wndExtY;
INT vportOrgX; /* Viewport origin */
INT vportOrgY;
INT vportExtX; /* Viewport extent */
INT vportExtY;
SIZE virtual_res; /* Initially HORZRES,VERTRES. Changed by SetVirtualResolution */
SIZE virtual_size; /* Initially HORZSIZE,VERTSIZE. Changed by SetVirtualResolution */
RECT vis_rect; /* visible rectangle in screen coords */
FLOAT miterLimit;
int flags;
DWORD layout;
HRGN hClipRgn; /* Clip region (may be 0) */
HRGN hMetaRgn; /* Meta region (may be 0) */
HRGN hMetaClipRgn; /* Intersection of meta and clip regions (may be 0) */
HRGN hVisRgn; /* Visible region (must never be 0) */
HPEN hPen;
HBRUSH hBrush;
HFONT hFont;
HBITMAP hBitmap;
HANDLE hDevice;
HPALETTE hPalette;
GdiFont *gdiFont;
GdiPath path;
UINT font_code_page;
WORD ROPmode;
WORD polyFillMode;
WORD stretchBltMode;
WORD relAbsMode;
WORD backgroundMode;
COLORREF backgroundColor;
COLORREF textColor;
COLORREF dcBrushColor;
COLORREF dcPenColor;
short brushOrgX;
short brushOrgY;
DWORD mapperFlags; /* Font mapper flags */
WORD textAlign; /* Text alignment from SetTextAlign() */
INT charExtra; /* Spacing from SetTextCharacterExtra() */
INT breakExtra; /* breakTotalExtra / breakCount */
INT breakRem; /* breakTotalExtra % breakCount */
INT MapMode;
INT GraphicsMode; /* Graphics mode */
ABORTPROC pAbortProc; /* AbortProc for Printing */
INT CursPosX; /* Current position */
INT CursPosY;
INT ArcDirection;
XFORM xformWorld2Wnd; /* World-to-window transformation */
XFORM xformWorld2Vport; /* World-to-viewport transformation */
XFORM xformVport2World; /* Inverse of the above transformation */
BOOL vport2WorldValid; /* Is xformVport2World valid? */
RECT BoundsRect; /* Current bounding rect */
} DC;
/* DC flags */
#define DC_BOUNDS_ENABLE 0x0008 /* Bounding rectangle tracking is enabled */
/* Certain functions will do no further processing if the driver returns this.
Used by mfdrv for example. */
#define GDI_NO_MORE_WORK 2
/* Rounds a floating point number to integer. The world-to-viewport
* transformation process is done in floating point internally. This function
* is then used to round these coordinates to integer values.
*/
static inline INT GDI_ROUND(double val)
{
return (int)floor(val + 0.5);
}
#define GET_DC_PHYSDEV(dc,func) \
get_physdev_entry_point( (dc)->physDev, FIELD_OFFSET(struct gdi_dc_funcs,func))
/* bitmap object */
typedef struct tagBITMAPOBJ
{
GDIOBJHDR header;
BITMAP bitmap;
SIZE size; /* For SetBitmapDimension() */
const struct gdi_dc_funcs *funcs; /* DC function table */
/* For device-independent bitmaps: */
DIBSECTION *dib;
RGBQUAD *color_table; /* DIB color table if <= 8bpp */
UINT nb_colors; /* number of colors in table */
} BITMAPOBJ;
/* bidi.c */
/* Wine_GCPW Flags */
/* Directionality -
* LOOSE means taking the directionality of the first strong character, if there is found one.
* FORCE means the paragraph direction is forced. (RLE/LRE)
*/
#define WINE_GCPW_FORCE_LTR 0
#define WINE_GCPW_FORCE_RTL 1
#define WINE_GCPW_LOOSE_LTR 2
#define WINE_GCPW_LOOSE_RTL 3
#define WINE_GCPW_DIR_MASK 3
#define WINE_GCPW_LOOSE_MASK 2
extern BOOL BIDI_Reorder( HDC hDC, LPCWSTR lpString, INT uCount, DWORD dwFlags, DWORD dwWineGCP_Flags,
LPWSTR lpOutString, INT uCountOut, UINT *lpOrder, WORD **lpGlyphs, INT* cGlyphs ) DECLSPEC_HIDDEN;
/* bitblt.c */
extern DWORD convert_bits( const BITMAPINFO *src_info, struct bitblt_coords *src,
BITMAPINFO *dst_info, struct gdi_image_bits *bits, BOOL add_alpha ) DECLSPEC_HIDDEN;
extern BOOL intersect_vis_rectangles( struct bitblt_coords *dst, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
extern DWORD stretch_bits( const BITMAPINFO *src_info, struct bitblt_coords *src,
BITMAPINFO *dst_info, struct bitblt_coords *dst,
struct gdi_image_bits *bits, int mode ) DECLSPEC_HIDDEN;
/* brush.c */
extern BOOL get_brush_bitmap_info( HBRUSH handle, BITMAPINFO *info, void **bits, UINT *usage ) DECLSPEC_HIDDEN;
/* clipping.c */
extern int get_clip_box( DC *dc, RECT *rect ) DECLSPEC_HIDDEN;
extern void CLIPPING_UpdateGCRegion( DC * dc ) DECLSPEC_HIDDEN;
/* Return the total clip region (if any) */
static inline HRGN get_clip_region( DC * dc )
{
if (dc->hMetaClipRgn) return dc->hMetaClipRgn;
if (dc->hMetaRgn) return dc->hMetaRgn;
return dc->hClipRgn;
}
/* dc.c */
extern DC *alloc_dc_ptr( WORD magic ) DECLSPEC_HIDDEN;
extern void free_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
extern DC *get_dc_ptr( HDC hdc ) DECLSPEC_HIDDEN;
extern void release_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
extern void update_dc( DC *dc ) DECLSPEC_HIDDEN;
extern void DC_InitDC( DC * dc ) DECLSPEC_HIDDEN;
extern void DC_UpdateXforms( DC * dc ) DECLSPEC_HIDDEN;
/* dib.c */
extern int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) DECLSPEC_HIDDEN;
extern void fill_default_color_table( BITMAPINFO *info ) DECLSPEC_HIDDEN;
extern void get_ddb_bitmapinfo( BITMAPOBJ *bmp, BITMAPINFO *info ) DECLSPEC_HIDDEN;
extern BITMAPINFO *copy_packed_dib( const BITMAPINFO *src_info, UINT usage ) DECLSPEC_HIDDEN;
extern DWORD convert_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
const BITMAPINFO *dst_info, void *dst_bits, BOOL add_alpha ) DECLSPEC_HIDDEN;
extern DWORD stretch_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst,
INT mode ) DECLSPEC_HIDDEN;
extern DWORD blend_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst,
BLENDFUNCTION blend ) DECLSPEC_HIDDEN;
/* driver.c */
extern const struct gdi_dc_funcs null_driver DECLSPEC_HIDDEN;
extern const struct gdi_dc_funcs dib_driver DECLSPEC_HIDDEN;
extern const struct gdi_dc_funcs path_driver DECLSPEC_HIDDEN;
extern const struct gdi_dc_funcs *font_driver DECLSPEC_HIDDEN;
extern const struct gdi_dc_funcs *DRIVER_load_driver( LPCWSTR name ) DECLSPEC_HIDDEN;
extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size ) DECLSPEC_HIDDEN;
/* enhmetafile.c */
extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk ) DECLSPEC_HIDDEN;
/* freetype.c */
/* Undocumented structure filled in by GdiRealizationInfo */
typedef struct
{
DWORD flags; /* 1 for bitmap fonts, 3 for scalable fonts */
DWORD cache_num; /* keeps incrementing - num of fonts that have been created allowing for caching?? */
DWORD unknown2; /* fixed for a given font - looks like it could be the order of the face in the font list or the order
in which the face was first rendered. */
} realization_info_t;
extern INT WineEngAddFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
extern HANDLE WineEngAddFontMemResourceEx(PVOID, DWORD, PVOID, LPDWORD) DECLSPEC_HIDDEN;
extern BOOL WineEngDestroyFontInstance(HFONT handle) DECLSPEC_HIDDEN;
extern BOOL WineEngGetLinkedHFont(DC *dc, WCHAR c, HFONT *new_hfont, UINT *glyph) DECLSPEC_HIDDEN;
extern BOOL WineEngInit(void) DECLSPEC_HIDDEN;
extern BOOL WineEngRemoveFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
/* gdiobj.c */
extern HGDIOBJ alloc_gdi_handle( GDIOBJHDR *obj, WORD type, const struct gdi_obj_funcs *funcs ) DECLSPEC_HIDDEN;
extern void *free_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
extern void *GDI_GetObjPtr( HGDIOBJ, WORD ) DECLSPEC_HIDDEN;
extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN;
extern void GDI_CheckNotLock(void) DECLSPEC_HIDDEN;
extern HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
extern BOOL GDI_dec_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
extern BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
extern BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
/* metafile.c */
extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh) DECLSPEC_HIDDEN;
extern METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mr, LPCVOID filename, BOOL unicode ) DECLSPEC_HIDDEN;
/* path.c */
extern void PATH_InitGdiPath(GdiPath *pPath) DECLSPEC_HIDDEN;
extern void PATH_DestroyGdiPath(GdiPath *pPath) DECLSPEC_HIDDEN;
extern BOOL PATH_SavePath( DC *dst, DC *src ) DECLSPEC_HIDDEN;
extern BOOL PATH_RestorePath( DC *dst, DC *src ) DECLSPEC_HIDDEN;
/* painting.c */
extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut ) DECLSPEC_HIDDEN;
/* palette.c */
extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg) DECLSPEC_HIDDEN;
extern UINT WINAPI GDIRealizePalette( HDC hdc ) DECLSPEC_HIDDEN;
extern HPALETTE PALETTE_Init(void) DECLSPEC_HIDDEN;
/* region.c */
extern INT mirror_region( HRGN dst, HRGN src, INT width ) DECLSPEC_HIDDEN;
extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y ) DECLSPEC_HIDDEN;
typedef struct
{
INT size;
INT numRects;
RECT *rects;
RECT extents;
} WINEREGION;
extern const WINEREGION *get_wine_region(HRGN rgn) DECLSPEC_HIDDEN;
static inline void release_wine_region(HRGN rgn)
{
GDI_ReleaseObj(rgn);
}
/* null driver entry points */
extern BOOL nulldrv_AbortPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
PHYSDEV src_dev, struct bitblt_coords *src, BLENDFUNCTION func) DECLSPEC_HIDDEN;
extern BOOL nulldrv_AngleArc( PHYSDEV dev, INT x, INT y, DWORD radius, FLOAT start, FLOAT sweep ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_ArcTo( PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT xstart, INT ystart, INT xend, INT yend ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_BeginPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern DWORD nulldrv_BlendImage( PHYSDEV dev, BITMAPINFO *info, const struct gdi_image_bits *bits,
struct bitblt_coords *src, struct bitblt_coords *dst, BLENDFUNCTION func ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_CloseFigure( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_CopyBitmap( HBITMAP src, HBITMAP dst ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_EndPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern INT nulldrv_ExcludeClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
extern INT nulldrv_ExtSelectClipRgn( PHYSDEV dev, HRGN rgn, INT mode ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_FillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_FillRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_FlattenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_FrameRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush, INT width, INT height ) DECLSPEC_HIDDEN;
extern LONG nulldrv_GetBitmapBits( HBITMAP bitmap, void *bits, LONG size ) DECLSPEC_HIDDEN;
extern DWORD nulldrv_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info, struct gdi_image_bits *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
extern COLORREF nulldrv_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_GradientFill( PHYSDEV dev, TRIVERTEX *vert_array, ULONG nvert,
void * grad_array, ULONG ngrad, ULONG mode ) DECLSPEC_HIDDEN;
extern INT nulldrv_IntersectClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_InvertRgn( PHYSDEV dev, HRGN rgn ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_ModifyWorldTransform( PHYSDEV dev, const XFORM *xform, DWORD mode ) DECLSPEC_HIDDEN;
extern INT nulldrv_OffsetClipRgn( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_OffsetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_OffsetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_PolyBezier( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_PolyBezierTo( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_PolyDraw( PHYSDEV dev, const POINT *points, const BYTE *types, DWORD count ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_PolylineTo( PHYSDEV dev, const POINT *points, INT count ) DECLSPEC_HIDDEN;
extern DWORD nulldrv_PutImage( PHYSDEV dev, HBITMAP hbitmap, HRGN clip, BITMAPINFO *info,
const struct gdi_image_bits *bits, struct bitblt_coords *src,
struct bitblt_coords *dst, DWORD rop ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_RestoreDC( PHYSDEV dev, INT level ) DECLSPEC_HIDDEN;
extern INT nulldrv_SaveDC( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_ScaleViewportExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_ScaleWindowExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_SelectClipPath( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
extern INT nulldrv_SetDIBitsToDevice( PHYSDEV dev, INT x_dst, INT y_dst, DWORD width, DWORD height,
INT x_src, INT y_src, UINT start, UINT lines,
const void *bits, BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN;
extern INT nulldrv_SetMapMode( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_SetViewportExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_SetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_SetWindowExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_SetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_SetWorldTransform( PHYSDEV dev, const XFORM *xform ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) DECLSPEC_HIDDEN;
extern INT nulldrv_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT heightDst,
INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, const void *bits,
BITMAPINFO *info, UINT coloruse, DWORD rop ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_StrokeAndFillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_StrokePath( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_WidenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
static inline DC *get_nulldrv_dc( PHYSDEV dev )
{
return CONTAINING_RECORD( dev, DC, nulldrv );
}
/* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal entries */
#define DIB_PAL_MONO 2
BOOL WINAPI FontIsLinked(HDC);
BOOL WINAPI SetVirtualResolution(HDC hdc, DWORD horz_res, DWORD vert_res, DWORD horz_size, DWORD vert_size);
static inline BOOL is_rect_empty( const RECT *rect )
{
return (rect->left >= rect->right || rect->top >= rect->bottom);
}
static inline BOOL intersect_rect( RECT *dst, const RECT *src1, const RECT *src2 )
{
dst->left = max( src1->left, src2->left );
dst->top = max( src1->top, src2->top );
dst->right = min( src1->right, src2->right );
dst->bottom = min( src1->bottom, src2->bottom );
return !is_rect_empty( dst );
}
static inline void offset_rect( RECT *rect, int offset_x, int offset_y )
{
rect->left += offset_x;
rect->top += offset_y;
rect->right += offset_x;
rect->bottom += offset_y;
}
static inline BOOL pt_in_rect( const RECT *rect, POINT pt )
{
return ((pt.x >= rect->left) && (pt.x < rect->right) &&
(pt.y >= rect->top) && (pt.y < rect->bottom));
}
static inline void get_bounding_rect( RECT *rect, int x, int y, int width, int height )
{
rect->left = x;
rect->right = x + width;
rect->top = y;
rect->bottom = y + height;
if (rect->left > rect->right)
{
int tmp = rect->left;
rect->left = rect->right + 1;
rect->right = tmp + 1;
}
if (rect->top > rect->bottom)
{
int tmp = rect->top;
rect->top = rect->bottom + 1;
rect->bottom = tmp + 1;
}
}
static inline int get_bitmap_stride( int width, int bpp )
{
return ((width * bpp + 15) >> 3) & ~1;
}
static inline int get_dib_stride( int width, int bpp )
{
return ((width * bpp + 31) >> 3) & ~3;
}
static inline int get_dib_image_size( const BITMAPINFO *info )
{
return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount )
* abs( info->bmiHeader.biHeight );
}
static inline int get_dib_num_of_colors( const BITMAPINFO *info )
{
if (info->bmiHeader.biClrUsed) return min( info->bmiHeader.biClrUsed, 256 );
return info->bmiHeader.biBitCount > 8 ? 0 : 1 << info->bmiHeader.biBitCount;
}
static inline void copy_bitmapinfo( BITMAPINFO *dst, const BITMAPINFO *src )
{
unsigned int size = FIELD_OFFSET( BITMAPINFO, bmiColors[get_dib_num_of_colors( src )] );
if (src->bmiHeader.biCompression == BI_BITFIELDS) size += 3 * sizeof(DWORD);
memcpy( dst, src, size );
}
static inline const struct gdi_dc_funcs *get_bitmap_funcs( const BITMAPOBJ *bitmap )
{
if( bitmap->dib ) return &dib_driver;
return bitmap->funcs;
}
extern void free_heap_bits( struct gdi_image_bits *bits ) DECLSPEC_HIDDEN;
extern HMODULE gdi32_module DECLSPEC_HIDDEN;
#endif /* __WINE_GDI_PRIVATE_H */
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