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wine-wine/dlls/gdi32/gdi_private.h

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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 <limits.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 );
};
typedef struct tagDC
{
HDC hSelf; /* Handle to this DC */
struct gdi_physdev nulldrv; /* physdev for the null driver */
PHYSDEV physDev; /* current top of the physdev stack */
DWORD thread; /* thread owning the DC */
LONG refcount; /* thread refcount */
LONG dirty; /* dirty flag */
LONG disabled; /* get_dc_ptr() will return NULL. Controlled by DCHF_(DISABLE|ENABLE)DC */
INT saveLevel;
struct tagDC *saved_dc;
DWORD_PTR dwHookData;
DCHOOKPROC hookProc; /* DC hook */
BOOL bounds_enabled:1; /* bounds tracking is enabled */
BOOL path_open:1; /* path is currently open (only for saved DCs) */
POINT wnd_org; /* Window origin */
SIZE wnd_ext; /* Window extent */
POINT vport_org; /* Viewport origin */
SIZE vport_ext; /* Viewport extent */
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 */
RECT device_rect; /* rectangle for the whole device */
int pixel_format; /* pixel format (for memory DCs) */
UINT aa_flags; /* anti-aliasing flags to pass to GetGlyphOutline for current font */
FLOAT miterLimit;
int flags;
DWORD layout;
HRGN hClipRgn; /* Clip region */
HRGN hMetaRgn; /* Meta region */
HRGN hVisRgn; /* Visible region */
HRGN region; /* Total DC region (intersection of clip and visible) */
HPEN hPen;
HBRUSH hBrush;
HFONT hFont;
HBITMAP hBitmap;
HPALETTE hPalette;
struct gdi_path *path;
struct font_gamma_ramp *font_gamma_ramp;
UINT font_code_page;
WORD ROPmode;
WORD polyFillMode;
WORD stretchBltMode;
WORD relAbsMode;
WORD backgroundMode;
COLORREF backgroundColor;
COLORREF textColor;
COLORREF dcBrushColor;
COLORREF dcPenColor;
POINT brush_org;
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 */
POINT cur_pos; /* Current position */
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 bounds; /* Current bounding rect */
} DC;
/* 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))
static inline PHYSDEV pop_dc_driver( DC *dc, const struct gdi_dc_funcs *funcs )
{
PHYSDEV dev, *pdev = &dc->physDev;
while (*pdev && (*pdev)->funcs != funcs) pdev = &(*pdev)->next;
if (!*pdev) return NULL;
dev = *pdev;
*pdev = dev->next;
return dev;
}
static inline PHYSDEV find_dc_driver( DC *dc, const struct gdi_dc_funcs *funcs )
{
PHYSDEV dev;
for (dev = dc->physDev; dev; dev = dev->next) if (dev->funcs == funcs) return dev;
return NULL;
}
/* bitmap object */
typedef struct tagBITMAPOBJ
{
DIBSECTION dib;
SIZE size; /* For SetBitmapDimension() */
RGBQUAD *color_table; /* DIB color table if <= 8bpp (always 1 << bpp in size) */
} BITMAPOBJ;
static inline BOOL is_bitmapobj_dib( const BITMAPOBJ *bmp )
{
return bmp->dib.dsBmih.biSize != 0;
}
/* 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 ) 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;
extern void get_mono_dc_colors( DC *dc, int color_table_size, BITMAPINFO *info, int count ) DECLSPEC_HIDDEN;
/* brush.c */
extern BOOL store_brush_pattern( LOGBRUSH *brush, struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
extern void free_brush_pattern( struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
extern BOOL get_brush_bitmap_info( HBRUSH handle, BITMAPINFO *info, void **bits, UINT *usage ) DECLSPEC_HIDDEN;
/* clipping.c */
extern BOOL clip_device_rect( DC *dc, RECT *dst, const RECT *src ) DECLSPEC_HIDDEN;
extern BOOL clip_visrect( DC *dc, RECT *dst, const RECT *src ) DECLSPEC_HIDDEN;
extern void update_dc_clipping( DC * dc ) DECLSPEC_HIDDEN;
/* Return the total DC region (if any) */
static inline HRGN get_dc_region( DC *dc )
{
if (dc->region) return dc->region;
if (dc->hVisRgn) return dc->hVisRgn;
if (dc->hClipRgn) return dc->hClipRgn;
return dc->hMetaRgn;
}
/* 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 BOOL fill_color_table_from_pal_colors( BITMAPINFO *info, HDC hdc ) DECLSPEC_HIDDEN;
extern const RGBQUAD *get_default_color_table( int bpp ) 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 ) 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;
extern DWORD gradient_bitmapinfo( const BITMAPINFO *info, void *bits, TRIVERTEX *vert_array, ULONG nvert,
void *grad_array, ULONG ngrad, ULONG mode, const POINT *dev_pts, HRGN rgn ) DECLSPEC_HIDDEN;
extern COLORREF get_pixel_bitmapinfo( const BITMAPINFO *info, void *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
extern BOOL render_aa_text_bitmapinfo( DC *dc, BITMAPINFO *info, struct gdi_image_bits *bits,
struct bitblt_coords *src, INT x, INT y, UINT flags,
UINT aa_flags, LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
extern DWORD get_image_from_bitmap( BITMAPOBJ *bmp, BITMAPINFO *info,
struct gdi_image_bits *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
extern DWORD put_image_into_bitmap( BITMAPOBJ *bmp, HRGN clip, BITMAPINFO *info,
const struct gdi_image_bits *bits, struct bitblt_coords *src,
struct bitblt_coords *dst ) DECLSPEC_HIDDEN;
extern void dibdrv_set_window_surface( DC *dc, struct window_surface *surface ) 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, DWORD filesize, BOOL on_disk ) DECLSPEC_HIDDEN;
/* font.c */
struct font_gamma_ramp
{
DWORD gamma;
BYTE encode[256];
BYTE decode[256];
};
/* freetype.c */
/* Undocumented structure filled in by GetFontRealizationInfo */
struct font_realization_info
{
DWORD size; /* could be 16 or 24 */
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 instance_id; /* identifies a realized font instance */
DWORD unk; /* unknown */
WORD face_index; /* face index in case of font collections */
WORD simulations; /* 0 bit - bold simulation, 1 bit - oblique simulation */
};
/* Undocumented structure filled in by GetCharWidthInfo */
struct char_width_info
{
INT lsb; /* minimum left side bearing */
INT rsb; /* minimum right side bearing */
INT unk; /* unknown */
};
extern INT WineEngAddFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
extern HANDLE WineEngAddFontMemResourceEx(PVOID, DWORD, PVOID, LPDWORD) DECLSPEC_HIDDEN;
extern BOOL WineEngCreateScalableFontResource(DWORD, LPCWSTR, LPCWSTR, LPCWSTR) DECLSPEC_HIDDEN;
extern BOOL WineEngInit(void) DECLSPEC_HIDDEN;
extern BOOL WineEngRemoveFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
/* gdiobj.c */
extern HGDIOBJ alloc_gdi_handle( void *obj, WORD type, const struct gdi_obj_funcs *funcs ) DECLSPEC_HIDDEN;
extern void *free_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
extern HGDIOBJ get_full_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
extern void *GDI_GetObjPtr( HGDIOBJ, WORD ) DECLSPEC_HIDDEN;
extern void *get_any_obj_ptr( HGDIOBJ, WORD * ) DECLSPEC_HIDDEN;
extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN;
extern void GDI_CheckNotLock(void) DECLSPEC_HIDDEN;
extern UINT GDI_get_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
extern HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
extern BOOL GDI_dec_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
extern void GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
extern void GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
extern DWORD get_dpi(void) DECLSPEC_HIDDEN;
extern DWORD get_system_dpi(void) DECLSPEC_HIDDEN;
/* mapping.c */
extern BOOL dp_to_lp( DC *dc, POINT *points, INT count ) DECLSPEC_HIDDEN;
extern void lp_to_dp( DC *dc, POINT *points, INT count ) 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;
/* Format of comment record added by GetWinMetaFileBits */
#include <pshpack2.h>
typedef struct
{
DWORD magic; /* WMFC */
WORD unk04; /* 1 */
WORD unk06; /* 0 */
WORD unk08; /* 0 */
WORD unk0a; /* 1 */
WORD checksum;
DWORD unk0e; /* 0 */
DWORD num_chunks;
DWORD chunk_size;
DWORD remaining_size;
DWORD emf_size;
BYTE emf_data[1];
} emf_in_wmf_comment;
#include <poppack.h>
#define WMFC_MAGIC 0x43464d57
/* path.c */
extern void free_gdi_path( struct gdi_path *path ) DECLSPEC_HIDDEN;
extern struct gdi_path *get_gdi_flat_path( DC *dc, HRGN *rgn ) DECLSPEC_HIDDEN;
extern int get_gdi_path_data( struct gdi_path *path, POINT **points, BYTE **flags ) 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 BOOL add_rect_to_region( HRGN rgn, const RECT *rect ) DECLSPEC_HIDDEN;
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;
extern HRGN create_polypolygon_region( const POINT *pts, const INT *count, INT nbpolygons,
INT mode, const RECT *clip_rect ) DECLSPEC_HIDDEN;
#define RGN_DEFAULT_RECTS 4
typedef struct
{
INT size;
INT numRects;
RECT *rects;
RECT extents;
RECT rects_buf[RGN_DEFAULT_RECTS];
} WINEREGION;
/* return the region data without making a copy */
static inline const WINEREGION *get_wine_region(HRGN rgn)
{
return GDI_GetObjPtr( rgn, OBJ_REGION );
}
static inline void release_wine_region(HRGN rgn)
{
GDI_ReleaseObj(rgn);
}
/**********************************************************
* region_find_pt
*
* Return either the index of the rectangle that contains (x,y) or the first
* rectangle after it. Sets *hit to TRUE if the region contains (x,y).
* Note if (x,y) follows all rectangles, then the return value will be rgn->numRects.
*/
static inline int region_find_pt( const WINEREGION *rgn, int x, int y, BOOL *hit )
{
int i, start = 0, end = rgn->numRects - 1;
BOOL h = FALSE;
while (start <= end)
{
i = (start + end) / 2;
if (rgn->rects[i].bottom <= y ||
(rgn->rects[i].top <= y && rgn->rects[i].right <= x))
start = i + 1;
else if (rgn->rects[i].top > y ||
(rgn->rects[i].bottom > y && rgn->rects[i].left > x))
end = i - 1;
else
{
h = TRUE;
break;
}
}
if (hit) *hit = h;
return h ? i : start;
}
/* null driver entry points */
extern BOOL CDECL nulldrv_AbortPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
PHYSDEV src_dev, struct bitblt_coords *src, BLENDFUNCTION func) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_AngleArc( PHYSDEV dev, INT x, INT y, DWORD radius, FLOAT start, FLOAT sweep ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_ArcTo( PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT xstart, INT ystart, INT xend, INT yend ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_BeginPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern DWORD CDECL 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 CDECL nulldrv_CloseFigure( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_EndPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern INT CDECL nulldrv_ExcludeClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
extern INT CDECL nulldrv_ExtSelectClipRgn( PHYSDEV dev, HRGN rgn, INT mode ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags, const RECT *rect,
LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_FillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_FillRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_FlattenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_FrameRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush, INT width, INT height ) DECLSPEC_HIDDEN;
extern LONG CDECL nulldrv_GetBitmapBits( HBITMAP bitmap, void *bits, LONG size ) DECLSPEC_HIDDEN;
extern COLORREF CDECL nulldrv_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
extern COLORREF CDECL nulldrv_GetPixel( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
extern UINT CDECL nulldrv_GetSystemPaletteEntries( PHYSDEV dev, UINT start, UINT count, PALETTEENTRY *entries ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_GradientFill( PHYSDEV dev, TRIVERTEX *vert_array, ULONG nvert,
void * grad_array, ULONG ngrad, ULONG mode ) DECLSPEC_HIDDEN;
extern INT CDECL nulldrv_IntersectClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_InvertRgn( PHYSDEV dev, HRGN rgn ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_ModifyWorldTransform( PHYSDEV dev, const XFORM *xform, DWORD mode ) DECLSPEC_HIDDEN;
extern INT CDECL nulldrv_OffsetClipRgn( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_OffsetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_OffsetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_PolyBezier( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_PolyBezierTo( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_PolyDraw( PHYSDEV dev, const POINT *points, const BYTE *types, DWORD count ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_PolylineTo( PHYSDEV dev, const POINT *points, INT count ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_RestoreDC( PHYSDEV dev, INT level ) DECLSPEC_HIDDEN;
extern INT CDECL nulldrv_SaveDC( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_ScaleViewportExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_ScaleWindowExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_SelectClipPath( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
extern HFONT CDECL nulldrv_SelectFont( PHYSDEV dev, HFONT font, UINT *ggo_flags ) DECLSPEC_HIDDEN;
extern INT CDECL 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 CDECL nulldrv_SetMapMode( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_SetViewportExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_SetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_SetWindowExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_SetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_SetWorldTransform( PHYSDEV dev, const XFORM *xform ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) DECLSPEC_HIDDEN;
extern INT CDECL 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 CDECL nulldrv_StrokeAndFillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_StrokePath( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_WidenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
static inline DC *get_nulldrv_dc( PHYSDEV dev )
{
return CONTAINING_RECORD( dev, DC, nulldrv );
}
static inline DC *get_physdev_dc( PHYSDEV dev )
{
while (dev->funcs != &null_driver)
dev = dev->next;
return get_nulldrv_dc( dev );
}
/* 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 void set_rect( RECT *rect, int left, int top, int right, int bottom )
{
rect->left = left;
rect->top = top;
rect->right = right;
rect->bottom = bottom;
}
static inline void order_rect( RECT *rect )
{
if (rect->left > rect->right)
{
int tmp = rect->left;
rect->left = rect->right;
rect->right = tmp;
}
if (rect->top > rect->bottom)
{
int tmp = rect->top;
rect->top = rect->bottom;
rect->bottom = tmp;
}
}
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 void reset_bounds( RECT *bounds )
{
bounds->left = bounds->top = INT_MAX;
bounds->right = bounds->bottom = INT_MIN;
}
static inline void add_bounds_rect( RECT *bounds, const RECT *rect )
{
if (is_rect_empty( rect )) return;
bounds->left = min( bounds->left, rect->left );
bounds->top = min( bounds->top, rect->top );
bounds->right = max( bounds->right, rect->right );
bounds->bottom = max( bounds->bottom, rect->bottom );
}
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 );
}
/* only for use on sanitized BITMAPINFO structures */
static inline int get_dib_info_size( const BITMAPINFO *info, UINT coloruse )
{
if (info->bmiHeader.biCompression == BI_BITFIELDS)
return sizeof(BITMAPINFOHEADER) + 3 * sizeof(DWORD);
if (coloruse == DIB_PAL_COLORS)
return sizeof(BITMAPINFOHEADER) + info->bmiHeader.biClrUsed * sizeof(WORD);
return FIELD_OFFSET( BITMAPINFO, bmiColors[info->bmiHeader.biClrUsed] );
}
/* only for use on sanitized BITMAPINFO structures */
static inline void copy_bitmapinfo( BITMAPINFO *dst, const BITMAPINFO *src )
{
memcpy( dst, src, get_dib_info_size( src, DIB_RGB_COLORS ));
}
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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