493 lines
21 KiB
C
493 lines
21 KiB
C
/*
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* GDI definitions
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*
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* Copyright 1993 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __WINE_GDI_PRIVATE_H
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#define __WINE_GDI_PRIVATE_H
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#include <math.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "wine/gdi_driver.h"
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/* Metafile defines */
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#define META_EOF 0x0000
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/* values of mtType in METAHEADER. Note however that the disk image of a disk
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based metafile has mtType == 1 */
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#define METAFILE_MEMORY 1
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#define METAFILE_DISK 2
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#define MFHEADERSIZE (sizeof(METAHEADER))
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#define MFVERSION 0x300
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typedef struct {
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EMR emr;
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INT nBreakExtra;
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INT nBreakCount;
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} EMRSETTEXTJUSTIFICATION, *PEMRSETTEXTJUSTIFICATION;
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/* extra stock object: default 1x1 bitmap for memory DCs */
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#define DEFAULT_BITMAP (STOCK_LAST+1)
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struct gdi_obj_funcs
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{
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HGDIOBJ (*pSelectObject)( HGDIOBJ handle, HDC hdc );
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INT (*pGetObjectA)( HGDIOBJ handle, INT count, LPVOID buffer );
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INT (*pGetObjectW)( HGDIOBJ handle, INT count, LPVOID buffer );
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BOOL (*pUnrealizeObject)( HGDIOBJ handle );
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BOOL (*pDeleteObject)( HGDIOBJ handle );
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};
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struct hdc_list
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{
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HDC hdc;
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struct hdc_list *next;
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};
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typedef struct tagGDIOBJHDR
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{
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WORD type; /* object type (one of the OBJ_* constants) */
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WORD system : 1; /* system object flag */
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WORD deleted : 1; /* whether DeleteObject has been called on this object */
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DWORD selcount; /* number of times the object is selected in a DC */
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const struct gdi_obj_funcs *funcs;
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struct hdc_list *hdcs;
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} GDIOBJHDR;
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typedef struct tagGdiFont GdiFont;
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typedef struct tagDC
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{
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GDIOBJHDR header;
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HDC hSelf; /* Handle to this DC */
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struct gdi_physdev nulldrv; /* physdev for the null driver */
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PHYSDEV dibdrv; /* physdev for the dib driver */
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PHYSDEV physDev; /* current top of the physdev stack */
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DWORD thread; /* thread owning the DC */
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LONG refcount; /* thread refcount */
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LONG dirty; /* dirty flag */
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INT saveLevel;
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struct tagDC *saved_dc;
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DWORD_PTR dwHookData;
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DCHOOKPROC hookProc; /* DC hook */
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INT wndOrgX; /* Window origin */
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INT wndOrgY;
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INT wndExtX; /* Window extent */
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INT wndExtY;
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INT vportOrgX; /* Viewport origin */
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INT vportOrgY;
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INT vportExtX; /* Viewport extent */
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INT vportExtY;
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SIZE virtual_res; /* Initially HORZRES,VERTRES. Changed by SetVirtualResolution */
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SIZE virtual_size; /* Initially HORZSIZE,VERTSIZE. Changed by SetVirtualResolution */
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RECT vis_rect; /* visible rectangle in screen coords */
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FLOAT miterLimit;
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int flags;
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DWORD layout;
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HRGN hClipRgn; /* Clip region (may be 0) */
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HRGN hMetaRgn; /* Meta region (may be 0) */
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HRGN hMetaClipRgn; /* Intersection of meta and clip regions (may be 0) */
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HRGN hVisRgn; /* Visible region (must never be 0) */
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HPEN hPen;
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HBRUSH hBrush;
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HFONT hFont;
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HBITMAP hBitmap;
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HANDLE hDevice;
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HPALETTE hPalette;
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GdiFont *gdiFont;
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struct gdi_path *path;
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UINT font_code_page;
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WORD ROPmode;
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WORD polyFillMode;
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WORD stretchBltMode;
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WORD relAbsMode;
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WORD backgroundMode;
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COLORREF backgroundColor;
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COLORREF textColor;
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COLORREF dcBrushColor;
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COLORREF dcPenColor;
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short brushOrgX;
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short brushOrgY;
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DWORD mapperFlags; /* Font mapper flags */
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WORD textAlign; /* Text alignment from SetTextAlign() */
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INT charExtra; /* Spacing from SetTextCharacterExtra() */
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INT breakExtra; /* breakTotalExtra / breakCount */
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INT breakRem; /* breakTotalExtra % breakCount */
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INT MapMode;
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INT GraphicsMode; /* Graphics mode */
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ABORTPROC pAbortProc; /* AbortProc for Printing */
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INT CursPosX; /* Current position */
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INT CursPosY;
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INT ArcDirection;
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XFORM xformWorld2Wnd; /* World-to-window transformation */
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XFORM xformWorld2Vport; /* World-to-viewport transformation */
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XFORM xformVport2World; /* Inverse of the above transformation */
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BOOL vport2WorldValid; /* Is xformVport2World valid? */
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RECT BoundsRect; /* Current bounding rect */
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} DC;
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/* DC flags */
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#define DC_PATH_OPEN 0x0001 /* DC path is open (only set on saved DCs) */
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#define DC_BOUNDS_ENABLE 0x0008 /* Bounding rectangle tracking is enabled */
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/* Certain functions will do no further processing if the driver returns this.
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Used by mfdrv for example. */
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#define GDI_NO_MORE_WORK 2
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/* Rounds a floating point number to integer. The world-to-viewport
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* transformation process is done in floating point internally. This function
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* is then used to round these coordinates to integer values.
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*/
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static inline INT GDI_ROUND(double val)
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{
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return (int)floor(val + 0.5);
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}
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#define GET_DC_PHYSDEV(dc,func) \
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get_physdev_entry_point( (dc)->physDev, FIELD_OFFSET(struct gdi_dc_funcs,func))
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/* bitmap object */
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typedef struct tagBITMAPOBJ
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{
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GDIOBJHDR header;
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BITMAP bitmap;
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SIZE size; /* For SetBitmapDimension() */
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const struct gdi_dc_funcs *funcs; /* DC function table */
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/* For device-independent bitmaps: */
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DIBSECTION *dib;
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RGBQUAD *color_table; /* DIB color table if <= 8bpp */
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UINT nb_colors; /* number of colors in table */
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} BITMAPOBJ;
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/* bidi.c */
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/* Wine_GCPW Flags */
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/* Directionality -
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* LOOSE means taking the directionality of the first strong character, if there is found one.
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* FORCE means the paragraph direction is forced. (RLE/LRE)
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*/
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#define WINE_GCPW_FORCE_LTR 0
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#define WINE_GCPW_FORCE_RTL 1
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#define WINE_GCPW_LOOSE_LTR 2
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#define WINE_GCPW_LOOSE_RTL 3
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#define WINE_GCPW_DIR_MASK 3
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#define WINE_GCPW_LOOSE_MASK 2
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extern BOOL BIDI_Reorder( HDC hDC, LPCWSTR lpString, INT uCount, DWORD dwFlags, DWORD dwWineGCP_Flags,
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LPWSTR lpOutString, INT uCountOut, UINT *lpOrder, WORD **lpGlyphs, INT* cGlyphs ) DECLSPEC_HIDDEN;
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/* bitblt.c */
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extern DWORD convert_bits( const BITMAPINFO *src_info, struct bitblt_coords *src,
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BITMAPINFO *dst_info, struct gdi_image_bits *bits, BOOL add_alpha ) DECLSPEC_HIDDEN;
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extern BOOL intersect_vis_rectangles( struct bitblt_coords *dst, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
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extern DWORD stretch_bits( const BITMAPINFO *src_info, struct bitblt_coords *src,
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BITMAPINFO *dst_info, struct bitblt_coords *dst,
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struct gdi_image_bits *bits, int mode ) DECLSPEC_HIDDEN;
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/* brush.c */
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extern BOOL get_brush_bitmap_info( HBRUSH handle, BITMAPINFO *info, void **bits, UINT *usage ) DECLSPEC_HIDDEN;
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/* clipping.c */
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extern int get_clip_box( DC *dc, RECT *rect ) DECLSPEC_HIDDEN;
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extern void CLIPPING_UpdateGCRegion( DC * dc ) DECLSPEC_HIDDEN;
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/* Return the total clip region (if any) */
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static inline HRGN get_clip_region( DC * dc )
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{
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if (dc->hMetaClipRgn) return dc->hMetaClipRgn;
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if (dc->hMetaRgn) return dc->hMetaRgn;
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return dc->hClipRgn;
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}
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/* dc.c */
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extern DC *alloc_dc_ptr( WORD magic ) DECLSPEC_HIDDEN;
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extern void free_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
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extern DC *get_dc_ptr( HDC hdc ) DECLSPEC_HIDDEN;
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extern void release_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
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extern void update_dc( DC *dc ) DECLSPEC_HIDDEN;
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extern void DC_InitDC( DC * dc ) DECLSPEC_HIDDEN;
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extern void DC_UpdateXforms( DC * dc ) DECLSPEC_HIDDEN;
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/* dib.c */
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extern int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) DECLSPEC_HIDDEN;
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extern void fill_default_color_table( BITMAPINFO *info ) DECLSPEC_HIDDEN;
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extern void get_ddb_bitmapinfo( BITMAPOBJ *bmp, BITMAPINFO *info ) DECLSPEC_HIDDEN;
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extern BITMAPINFO *copy_packed_dib( const BITMAPINFO *src_info, UINT usage ) DECLSPEC_HIDDEN;
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extern DWORD convert_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
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const BITMAPINFO *dst_info, void *dst_bits, BOOL add_alpha ) DECLSPEC_HIDDEN;
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extern DWORD stretch_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
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const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst,
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INT mode ) DECLSPEC_HIDDEN;
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extern DWORD blend_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
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const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst,
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BLENDFUNCTION blend ) DECLSPEC_HIDDEN;
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extern BOOL render_aa_text_bitmapinfo( HDC hdc, BITMAPINFO *info, struct gdi_image_bits *bits,
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struct bitblt_coords *src, INT x, INT y, UINT flags,
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UINT aa_flags, LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
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/* driver.c */
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extern const struct gdi_dc_funcs null_driver DECLSPEC_HIDDEN;
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extern const struct gdi_dc_funcs dib_driver DECLSPEC_HIDDEN;
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extern const struct gdi_dc_funcs path_driver DECLSPEC_HIDDEN;
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extern const struct gdi_dc_funcs *font_driver DECLSPEC_HIDDEN;
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extern const struct gdi_dc_funcs *DRIVER_load_driver( LPCWSTR name ) DECLSPEC_HIDDEN;
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extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size ) DECLSPEC_HIDDEN;
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/* enhmetafile.c */
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extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk ) DECLSPEC_HIDDEN;
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/* font.c */
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extern UINT get_font_aa_flags( HDC hdc ) DECLSPEC_HIDDEN;
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/* freetype.c */
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/* Undocumented structure filled in by GdiRealizationInfo */
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typedef struct
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{
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DWORD flags; /* 1 for bitmap fonts, 3 for scalable fonts */
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DWORD cache_num; /* keeps incrementing - num of fonts that have been created allowing for caching?? */
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DWORD unknown2; /* fixed for a given font - looks like it could be the order of the face in the font list or the order
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in which the face was first rendered. */
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} realization_info_t;
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extern INT WineEngAddFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
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extern HANDLE WineEngAddFontMemResourceEx(PVOID, DWORD, PVOID, LPDWORD) DECLSPEC_HIDDEN;
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extern BOOL WineEngDestroyFontInstance(HFONT handle) DECLSPEC_HIDDEN;
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extern BOOL WineEngGetLinkedHFont(DC *dc, WCHAR c, HFONT *new_hfont, UINT *glyph) DECLSPEC_HIDDEN;
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extern BOOL WineEngInit(void) DECLSPEC_HIDDEN;
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extern BOOL WineEngRemoveFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
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/* gdiobj.c */
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extern HGDIOBJ alloc_gdi_handle( GDIOBJHDR *obj, WORD type, const struct gdi_obj_funcs *funcs ) DECLSPEC_HIDDEN;
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extern void *free_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
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extern void *GDI_GetObjPtr( HGDIOBJ, WORD ) DECLSPEC_HIDDEN;
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extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN;
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extern void GDI_CheckNotLock(void) DECLSPEC_HIDDEN;
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extern HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
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extern BOOL GDI_dec_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
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extern BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
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extern BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
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/* metafile.c */
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extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh) DECLSPEC_HIDDEN;
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extern METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mr, LPCVOID filename, BOOL unicode ) DECLSPEC_HIDDEN;
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/* path.c */
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extern void free_gdi_path( struct gdi_path *path ) DECLSPEC_HIDDEN;
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extern BOOL PATH_SavePath( DC *dst, DC *src ) DECLSPEC_HIDDEN;
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extern BOOL PATH_RestorePath( DC *dst, DC *src ) DECLSPEC_HIDDEN;
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/* painting.c */
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extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut ) DECLSPEC_HIDDEN;
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/* palette.c */
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extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg) DECLSPEC_HIDDEN;
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extern UINT WINAPI GDIRealizePalette( HDC hdc ) DECLSPEC_HIDDEN;
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extern HPALETTE PALETTE_Init(void) DECLSPEC_HIDDEN;
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/* region.c */
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extern INT mirror_region( HRGN dst, HRGN src, INT width ) DECLSPEC_HIDDEN;
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extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y ) DECLSPEC_HIDDEN;
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typedef struct
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{
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INT size;
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INT numRects;
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RECT *rects;
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RECT extents;
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} WINEREGION;
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extern const WINEREGION *get_wine_region(HRGN rgn) DECLSPEC_HIDDEN;
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static inline void release_wine_region(HRGN rgn)
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{
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GDI_ReleaseObj(rgn);
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}
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/* null driver entry points */
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extern BOOL nulldrv_AbortPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
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PHYSDEV src_dev, struct bitblt_coords *src, BLENDFUNCTION func) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_AngleArc( PHYSDEV dev, INT x, INT y, DWORD radius, FLOAT start, FLOAT sweep ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_ArcTo( PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT xstart, INT ystart, INT xend, INT yend ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_BeginPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
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extern DWORD nulldrv_BlendImage( PHYSDEV dev, BITMAPINFO *info, const struct gdi_image_bits *bits,
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struct bitblt_coords *src, struct bitblt_coords *dst, BLENDFUNCTION func ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_CloseFigure( PHYSDEV dev ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_CopyBitmap( HBITMAP src, HBITMAP dst ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_EndPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
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extern INT nulldrv_ExcludeClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
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extern INT nulldrv_ExtSelectClipRgn( PHYSDEV dev, HRGN rgn, INT mode ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags, const RECT *rect,
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LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_FillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_FillRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_FlattenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_FrameRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush, INT width, INT height ) DECLSPEC_HIDDEN;
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extern LONG nulldrv_GetBitmapBits( HBITMAP bitmap, void *bits, LONG size ) DECLSPEC_HIDDEN;
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extern DWORD nulldrv_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info, struct gdi_image_bits *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
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extern COLORREF nulldrv_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_GradientFill( PHYSDEV dev, TRIVERTEX *vert_array, ULONG nvert,
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void * grad_array, ULONG ngrad, ULONG mode ) DECLSPEC_HIDDEN;
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extern INT nulldrv_IntersectClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_InvertRgn( PHYSDEV dev, HRGN rgn ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_ModifyWorldTransform( PHYSDEV dev, const XFORM *xform, DWORD mode ) DECLSPEC_HIDDEN;
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extern INT nulldrv_OffsetClipRgn( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_OffsetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_OffsetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_PolyBezier( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_PolyBezierTo( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_PolyDraw( PHYSDEV dev, const POINT *points, const BYTE *types, DWORD count ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_PolylineTo( PHYSDEV dev, const POINT *points, INT count ) DECLSPEC_HIDDEN;
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extern DWORD nulldrv_PutImage( PHYSDEV dev, HBITMAP hbitmap, HRGN clip, BITMAPINFO *info,
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const struct gdi_image_bits *bits, struct bitblt_coords *src,
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struct bitblt_coords *dst, DWORD rop ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_RestoreDC( PHYSDEV dev, INT level ) DECLSPEC_HIDDEN;
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extern INT nulldrv_SaveDC( PHYSDEV dev ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_ScaleViewportExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_ScaleWindowExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_SelectClipPath( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
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extern INT nulldrv_SetDIBitsToDevice( PHYSDEV dev, INT x_dst, INT y_dst, DWORD width, DWORD height,
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INT x_src, INT y_src, UINT start, UINT lines,
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const void *bits, BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN;
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extern INT nulldrv_SetMapMode( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_SetViewportExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_SetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_SetWindowExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_SetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_SetWorldTransform( PHYSDEV dev, const XFORM *xform ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
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PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) DECLSPEC_HIDDEN;
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extern INT nulldrv_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT heightDst,
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INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, const void *bits,
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|
BITMAPINFO *info, UINT coloruse, DWORD rop ) DECLSPEC_HIDDEN;
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|
extern BOOL nulldrv_StrokeAndFillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_StrokePath( PHYSDEV dev ) DECLSPEC_HIDDEN;
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extern BOOL nulldrv_WidenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
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|
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static inline DC *get_nulldrv_dc( PHYSDEV dev )
|
|
{
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|
return CONTAINING_RECORD( dev, DC, nulldrv );
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}
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|
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|
/* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal entries */
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|
#define DIB_PAL_MONO 2
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|
|
|
BOOL WINAPI FontIsLinked(HDC);
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|
|
|
BOOL WINAPI SetVirtualResolution(HDC hdc, DWORD horz_res, DWORD vert_res, DWORD horz_size, DWORD vert_size);
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|
|
|
static inline BOOL is_rect_empty( const RECT *rect )
|
|
{
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|
return (rect->left >= rect->right || rect->top >= rect->bottom);
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|
}
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|
|
|
static inline BOOL intersect_rect( RECT *dst, const RECT *src1, const RECT *src2 )
|
|
{
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|
dst->left = max( src1->left, src2->left );
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|
dst->top = max( src1->top, src2->top );
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|
dst->right = min( src1->right, src2->right );
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|
dst->bottom = min( src1->bottom, src2->bottom );
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|
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 */
|