657 lines
28 KiB
C
657 lines
28 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_NTGDI_PRIVATE_H
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#define __WINE_NTGDI_PRIVATE_H
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#include <limits.h>
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#include <math.h>
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#include "win32u_private.h"
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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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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 gdi_obj_header
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{
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const struct gdi_obj_funcs *funcs; /* type-specific functions */
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WORD selcount; /* number of times the object is selected in a DC */
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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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};
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typedef struct tagDC
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{
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struct gdi_obj_header obj; /* object 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 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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DC_ATTR *attr; /* DC attributes accessible by client */
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struct tagDC *saved_dc;
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struct dce *dce; /* associated dce, if any */
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BOOL bounds_enabled:1; /* bounds tracking is enabled */
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BOOL path_open:1; /* path is currently open (only for saved DCs) */
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BOOL is_display:1; /* DC is for display device */
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RECT device_rect; /* rectangle for the whole device */
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int pixel_format; /* pixel format (for memory DCs) */
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UINT aa_flags; /* anti-aliasing flags to pass to GetGlyphOutline for current font */
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WCHAR display[CCHDEVICENAME]; /* Display name when created for a specific display device */
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int flags;
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HRGN hClipRgn; /* Clip region */
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HRGN hMetaRgn; /* Meta region */
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HRGN hVisRgn; /* Visible region */
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HRGN region; /* Total DC region (intersection of clip and visible) */
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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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HPALETTE hPalette;
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struct gdi_path *path;
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const struct font_gamma_ramp *font_gamma_ramp;
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INT breakExtra; /* breakTotalExtra / breakCount */
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INT breakRem; /* breakTotalExtra % breakCount */
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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 bounds; /* Current bounding rect */
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} DC;
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/* dce flags */
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#define DCHC_INVALIDVISRGN 0x0001
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#define DCHC_DELETEDC 0x0002
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#define DCHF_INVALIDATEVISRGN 0x0001
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#define DCHF_VALIDATEVISRGN 0x0002
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#define DCHF_RESETDC 0x0004
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#define DCHF_DISABLEDC 0x0008
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#define DCHF_ENABLEDC 0x0010
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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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static inline PHYSDEV pop_dc_driver( DC *dc, const struct gdi_dc_funcs *funcs )
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{
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PHYSDEV dev, *pdev = &dc->physDev;
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while (*pdev && (*pdev)->funcs != funcs) pdev = &(*pdev)->next;
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if (!*pdev) return NULL;
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dev = *pdev;
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*pdev = dev->next;
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return dev;
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}
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static inline PHYSDEV find_dc_driver( DC *dc, const struct gdi_dc_funcs *funcs )
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{
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PHYSDEV dev;
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for (dev = dc->physDev; dev; dev = dev->next) if (dev->funcs == funcs) return dev;
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return NULL;
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}
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/* bitmap object */
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typedef struct tagBITMAPOBJ
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{
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struct gdi_obj_header obj;
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DIBSECTION dib;
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SIZE size; /* For SetBitmapDimension() */
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RGBQUAD *color_table; /* DIB color table if <= 8bpp (always 1 << bpp in size) */
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} BITMAPOBJ;
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static inline BOOL is_bitmapobj_dib( const BITMAPOBJ *bmp )
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{
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return bmp->dib.dsBmih.biSize != 0;
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}
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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 ) 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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extern void get_mono_dc_colors( DC *dc, int color_table_size, BITMAPINFO *info, int count ) DECLSPEC_HIDDEN;
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/* brush.c */
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extern HBRUSH create_brush( const LOGBRUSH *brush );
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extern BOOL store_brush_pattern( LOGBRUSH *brush, struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
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extern void free_brush_pattern( struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
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/* clipping.c */
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extern BOOL clip_device_rect( DC *dc, RECT *dst, const RECT *src ) DECLSPEC_HIDDEN;
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extern BOOL clip_visrect( DC *dc, RECT *dst, const RECT *src ) DECLSPEC_HIDDEN;
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extern void set_visible_region( HDC hdc, HRGN hrgn, const RECT *vis_rect,
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const RECT *device_rect, struct window_surface *surface );
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extern void update_dc_clipping( DC * dc ) DECLSPEC_HIDDEN;
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/* Return the total DC region (if any) */
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static inline HRGN get_dc_region( DC *dc )
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{
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if (dc->region) return dc->region;
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if (dc->hVisRgn) return dc->hVisRgn;
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if (dc->hClipRgn) return dc->hClipRgn;
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return dc->hMetaRgn;
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}
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/* dc.c */
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extern DC *alloc_dc_ptr( DWORD 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 struct dce *get_dc_dce( HDC hdc ) DECLSPEC_HIDDEN;
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extern void set_dc_dce( HDC hdc, struct dce *dce ) DECLSPEC_HIDDEN;
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extern WORD set_dce_flags( HDC hdc, WORD flags ) DECLSPEC_HIDDEN;
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extern DWORD set_stretch_blt_mode( HDC hdc, DWORD mode ) 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 BOOL fill_color_table_from_pal_colors( BITMAPINFO *info, HDC hdc ) DECLSPEC_HIDDEN;
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extern const RGBQUAD *get_default_color_table( int bpp ) 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 ) 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 DWORD gradient_bitmapinfo( const BITMAPINFO *info, void *bits, TRIVERTEX *vert_array, ULONG nvert,
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void *grad_array, ULONG ngrad, ULONG mode, const POINT *dev_pts, HRGN rgn ) DECLSPEC_HIDDEN;
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extern COLORREF get_pixel_bitmapinfo( const BITMAPINFO *info, void *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
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extern BOOL render_aa_text_bitmapinfo( DC *dc, 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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extern DWORD get_image_from_bitmap( BITMAPOBJ *bmp, BITMAPINFO *info,
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struct gdi_image_bits *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
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extern DWORD put_image_into_bitmap( BITMAPOBJ *bmp, 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 ) DECLSPEC_HIDDEN;
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extern UINT get_dib_dc_color_table( HDC hdc, UINT startpos, UINT entries,
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RGBQUAD *colors ) DECLSPEC_HIDDEN;
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extern UINT set_dib_dc_color_table( HDC hdc, UINT startpos, UINT entries,
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const RGBQUAD *colors ) DECLSPEC_HIDDEN;
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extern void dibdrv_set_window_surface( DC *dc, struct window_surface *surface ) DECLSPEC_HIDDEN;
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extern struct opengl_funcs *dibdrv_get_wgl_driver(void) 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 *get_display_driver(void) DECLSPEC_HIDDEN;
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/* font.c */
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struct font_gamma_ramp
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{
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DWORD gamma;
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BYTE encode[256];
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BYTE decode[256];
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};
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typedef struct { FLOAT eM11, eM12, eM21, eM22; } FMAT2;
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struct bitmap_font_size
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{
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int width;
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int height;
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int size;
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int x_ppem;
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int y_ppem;
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int internal_leading;
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};
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struct gdi_font
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{
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struct list entry;
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struct list unused_entry;
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DWORD refcount;
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DWORD gm_size;
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struct glyph_metrics **gm;
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OUTLINETEXTMETRICW otm;
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KERNINGPAIR *kern_pairs;
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int kern_count;
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/* the following members can be accessed without locking, they are never modified after creation */
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void *private; /* font backend private data */
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struct list child_fonts;
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DWORD handle;
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DWORD cache_num;
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DWORD hash;
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UINT charset;
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UINT codepage;
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FONTSIGNATURE fs;
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LOGFONTW lf;
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FMAT2 matrix;
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UINT face_index;
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INT scale_y;
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INT aveWidth;
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INT ppem;
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SHORT yMax;
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SHORT yMin;
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UINT ntmFlags;
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UINT ntmAvgWidth;
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UINT aa_flags;
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ULONG ttc_item_offset; /* 0 if font is not a part of TrueType collection */
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BOOL can_use_bitmap : 1;
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BOOL fake_italic : 1;
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BOOL fake_bold : 1;
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BOOL scalable : 1;
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BOOL use_logfont_name : 1;
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struct gdi_font *base_font;
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void *gsub_table;
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void *vert_feature;
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void *data_ptr;
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SIZE_T data_size;
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FILETIME writetime;
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WCHAR file[1];
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};
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#define MS_MAKE_TAG(ch1,ch2,ch3,ch4) \
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(((DWORD)ch4 << 24) | ((DWORD)ch3 << 16) | ((DWORD)ch2 << 8) | (DWORD)ch1)
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#define MS_GASP_TAG MS_MAKE_TAG('g', 'a', 's', 'p')
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#define MS_GSUB_TAG MS_MAKE_TAG('G', 'S', 'U', 'B')
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#define MS_KERN_TAG MS_MAKE_TAG('k', 'e', 'r', 'n')
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#define MS_TTCF_TAG MS_MAKE_TAG('t', 't', 'c', 'f')
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#define MS_VDMX_TAG MS_MAKE_TAG('V', 'D', 'M', 'X')
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#define FS_DBCS_MASK (FS_JISJAPAN | FS_CHINESESIMP | FS_WANSUNG | FS_CHINESETRAD | FS_JOHAB)
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#define ADDFONT_EXTERNAL_FONT 0x01
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#define ADDFONT_ALLOW_BITMAP 0x02
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#define ADDFONT_ADD_TO_CACHE 0x04
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#define ADDFONT_ADD_RESOURCE 0x08 /* added through AddFontResource */
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#define ADDFONT_VERTICAL_FONT 0x10
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#define ADDFONT_EXTERNAL_FOUND 0x20
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#define ADDFONT_AA_FLAGS(flags) ((flags) << 16)
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struct font_backend_funcs
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{
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void (*load_fonts)(void);
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BOOL (*enum_family_fallbacks)( DWORD pitch_and_family, int index, WCHAR buffer[LF_FACESIZE] );
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INT (*add_font)( const WCHAR *file, DWORD flags );
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INT (*add_mem_font)( void *ptr, SIZE_T size, DWORD flags );
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BOOL (*load_font)( struct gdi_font *gdi_font );
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DWORD (*get_font_data)( struct gdi_font *gdi_font, DWORD table, DWORD offset,
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void *buf, DWORD count );
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UINT (*get_aa_flags)( struct gdi_font *font, UINT aa_flags, BOOL antialias_fakes );
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BOOL (*get_glyph_index)( struct gdi_font *gdi_font, UINT *glyph, BOOL use_encoding );
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UINT (*get_default_glyph)( struct gdi_font *gdi_font );
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DWORD (*get_glyph_outline)( struct gdi_font *font, UINT glyph, UINT format,
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GLYPHMETRICS *gm, ABC *abc, DWORD buflen, void *buf,
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const MAT2 *mat, BOOL tategaki );
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DWORD (*get_unicode_ranges)( struct gdi_font *font, GLYPHSET *gs );
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BOOL (*get_char_width_info)( struct gdi_font *font, struct char_width_info *info );
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BOOL (*set_outline_text_metrics)( struct gdi_font *font );
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BOOL (*set_bitmap_text_metrics)( struct gdi_font *font );
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DWORD (*get_kerning_pairs)( struct gdi_font *gdi_font, KERNINGPAIR **kern_pair );
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void (*destroy_font)( struct gdi_font *font );
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};
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extern int add_gdi_face( const WCHAR *family_name, const WCHAR *second_name,
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const WCHAR *style, const WCHAR *fullname, const WCHAR *file,
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void *data_ptr, SIZE_T data_size, UINT index, FONTSIGNATURE fs,
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DWORD ntmflags, DWORD version, DWORD flags,
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const struct bitmap_font_size *size ) DECLSPEC_HIDDEN;
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extern UINT font_init(void) DECLSPEC_HIDDEN;
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extern CPTABLEINFO *get_cptable( WORD cp ) DECLSPEC_HIDDEN;
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extern const struct font_backend_funcs *init_freetype_lib(void) DECLSPEC_HIDDEN;
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/* opentype.c */
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struct ttc_sfnt_v1;
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struct tt_name_v0;
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struct opentype_name
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{
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DWORD codepage;
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DWORD length;
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const void *bytes;
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};
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extern BOOL opentype_get_ttc_sfnt_v1( const void *data, size_t size, DWORD index, DWORD *count,
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const struct ttc_sfnt_v1 **ttc_sfnt_v1 ) DECLSPEC_HIDDEN;
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extern BOOL opentype_get_tt_name_v0( const void *data, size_t size, const struct ttc_sfnt_v1 *ttc_sfnt_v1,
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const struct tt_name_v0 **tt_name_v0 ) DECLSPEC_HIDDEN;
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typedef BOOL ( *opentype_enum_names_cb )( LANGID langid, struct opentype_name *name, void *user );
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extern BOOL opentype_enum_family_names( const struct tt_name_v0 *tt_name_v0,
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opentype_enum_names_cb callback, void *user ) DECLSPEC_HIDDEN;
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extern BOOL opentype_enum_style_names( const struct tt_name_v0 *tt_name_v0,
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opentype_enum_names_cb callback, void *user ) DECLSPEC_HIDDEN;
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extern BOOL opentype_enum_full_names( const struct tt_name_v0 *tt_name_v0,
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opentype_enum_names_cb callback, void *user ) DECLSPEC_HIDDEN;
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extern BOOL opentype_get_properties( const void *data, size_t size, const struct ttc_sfnt_v1 *ttc_sfnt_v1,
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DWORD *version, FONTSIGNATURE *fs, DWORD *ntm_flags ) DECLSPEC_HIDDEN;
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extern BOOL translate_charset_info( DWORD *src, CHARSETINFO *cs, DWORD flags ) DECLSPEC_HIDDEN;
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/* gdiobj.c */
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extern HGDIOBJ alloc_gdi_handle( struct gdi_obj_header *obj, DWORD type,
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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, DWORD ) DECLSPEC_HIDDEN;
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extern void *get_any_obj_ptr( HGDIOBJ, DWORD * ) DECLSPEC_HIDDEN;
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extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN;
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extern UINT GDI_get_ref_count( HGDIOBJ handle ) 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 DWORD get_gdi_object_type( HGDIOBJ obj ) DECLSPEC_HIDDEN;
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extern void make_gdi_object_system( HGDIOBJ handle, BOOL set ) DECLSPEC_HIDDEN;
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/* mapping.c */
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extern BOOL dp_to_lp( DC *dc, POINT *points, INT count ) DECLSPEC_HIDDEN;
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extern void lp_to_dp( DC *dc, POINT *points, INT count ) DECLSPEC_HIDDEN;
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extern BOOL set_map_mode( DC *dc, int mode ) DECLSPEC_HIDDEN;
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extern void combine_transform( XFORM *result, const XFORM *xform1,
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const XFORM *xform2 ) DECLSPEC_HIDDEN;
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extern int muldiv( int a, int b, int c ) DECLSPEC_HIDDEN;
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/* driver.c */
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extern BOOL is_display_device( LPCWSTR name ) 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 struct gdi_path *get_gdi_flat_path( DC *dc, HRGN *rgn ) DECLSPEC_HIDDEN;
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extern int get_gdi_path_data( struct gdi_path *path, POINT **points, BYTE **flags ) 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 PALETTE_Init(void) DECLSPEC_HIDDEN;
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extern UINT get_palette_entries( HPALETTE hpalette, UINT start, UINT count,
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PALETTEENTRY *entries ) DECLSPEC_HIDDEN;
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extern UINT realize_palette( HDC hdc ) DECLSPEC_HIDDEN;
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/* pen.c */
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extern HPEN create_pen( INT style, INT width, COLORREF color ) DECLSPEC_HIDDEN;
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/* region.c */
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extern BOOL add_rect_to_region( HRGN rgn, const RECT *rect ) DECLSPEC_HIDDEN;
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extern INT mirror_region( HRGN dst, HRGN src, INT width ) DECLSPEC_HIDDEN;
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extern BOOL mirror_window_region( HWND hwnd, HRGN hrgn ) DECLSPEC_HIDDEN;
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extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y ) DECLSPEC_HIDDEN;
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extern HRGN create_polypolygon_region( const POINT *pts, const INT *count, INT nbpolygons,
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INT mode, const RECT *clip_rect ) DECLSPEC_HIDDEN;
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/* dce.c */
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extern BOOL delete_dce( struct dce *dce ) DECLSPEC_HIDDEN;
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extern void update_dc( DC *dc ) DECLSPEC_HIDDEN;
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#define RGN_DEFAULT_RECTS 4
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typedef struct
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{
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struct gdi_obj_header obj;
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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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RECT rects_buf[RGN_DEFAULT_RECTS];
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} WINEREGION;
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/* return the region data without making a copy */
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static inline const WINEREGION *get_wine_region(HRGN rgn)
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{
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return GDI_GetObjPtr( rgn, NTGDI_OBJ_REGION );
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}
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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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/**********************************************************
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* region_find_pt
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*
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* Return either the index of the rectangle that contains (x,y) or the first
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* rectangle after it. Sets *hit to TRUE if the region contains (x,y).
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* Note if (x,y) follows all rectangles, then the return value will be rgn->numRects.
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*/
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static inline int region_find_pt( const WINEREGION *rgn, int x, int y, BOOL *hit )
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{
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int i, start = 0, end = rgn->numRects - 1;
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BOOL h = FALSE;
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while (start <= end)
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{
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i = (start + end) / 2;
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if (rgn->rects[i].bottom <= y ||
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(rgn->rects[i].top <= y && rgn->rects[i].right <= x))
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start = i + 1;
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else if (rgn->rects[i].top > y ||
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(rgn->rects[i].bottom > y && rgn->rects[i].left > x))
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end = i - 1;
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else
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{
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h = TRUE;
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break;
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}
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}
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if (hit) *hit = h;
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return h ? i : start;
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}
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/* null driver entry points */
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extern BOOL CDECL nulldrv_AbortPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
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extern BOOL CDECL 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 CDECL nulldrv_AngleArc( PHYSDEV dev, INT x, INT y, DWORD radius, FLOAT start, FLOAT sweep ) DECLSPEC_HIDDEN;
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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;
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extern BOOL CDECL nulldrv_BeginPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
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extern DWORD CDECL 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 CDECL nulldrv_CloseFigure( PHYSDEV dev ) DECLSPEC_HIDDEN;
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extern BOOL CDECL nulldrv_EndPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
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extern BOOL CDECL 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 CDECL nulldrv_FillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
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extern BOOL CDECL nulldrv_FillRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush ) DECLSPEC_HIDDEN;
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extern BOOL CDECL nulldrv_FrameRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush, INT width, INT height ) DECLSPEC_HIDDEN;
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extern LONG CDECL nulldrv_GetBitmapBits( HBITMAP bitmap, void *bits, LONG size ) DECLSPEC_HIDDEN;
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extern COLORREF CDECL nulldrv_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
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extern COLORREF CDECL nulldrv_GetPixel( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
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extern UINT CDECL nulldrv_GetSystemPaletteEntries( PHYSDEV dev, UINT start, UINT count, PALETTEENTRY *entries ) DECLSPEC_HIDDEN;
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extern BOOL CDECL 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 BOOL CDECL nulldrv_InvertRgn( PHYSDEV dev, HRGN rgn ) DECLSPEC_HIDDEN;
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extern BOOL CDECL nulldrv_PolyBezier( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
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extern BOOL CDECL nulldrv_PolyBezierTo( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
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extern BOOL CDECL nulldrv_PolyDraw( PHYSDEV dev, const POINT *points, const BYTE *types, DWORD count ) DECLSPEC_HIDDEN;
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extern BOOL CDECL nulldrv_PolylineTo( PHYSDEV dev, const POINT *points, INT count ) DECLSPEC_HIDDEN;
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extern INT CDECL 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 BOOL CDECL 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 CDECL 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 CDECL nulldrv_StrokeAndFillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
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extern BOOL CDECL nulldrv_StrokePath( PHYSDEV dev ) DECLSPEC_HIDDEN;
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static inline DC *get_nulldrv_dc( PHYSDEV dev )
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{
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return CONTAINING_RECORD( dev, DC, nulldrv );
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}
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static inline DC *get_physdev_dc( PHYSDEV dev )
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{
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while (dev->funcs != &null_driver)
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dev = dev->next;
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return get_nulldrv_dc( dev );
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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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{
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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 !IsRectEmpty( dst );
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}
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static inline void order_rect( RECT *rect )
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{
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if (rect->left > rect->right)
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{
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int tmp = rect->left;
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rect->left = rect->right;
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rect->right = tmp;
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}
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if (rect->top > rect->bottom)
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{
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int tmp = rect->top;
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rect->top = rect->bottom;
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rect->bottom = tmp;
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}
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}
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static inline void get_bounding_rect( RECT *rect, int x, int y, int width, int height )
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{
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rect->left = x;
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rect->right = x + width;
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rect->top = y;
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rect->bottom = y + height;
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if (rect->left > rect->right)
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{
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int tmp = rect->left;
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rect->left = rect->right + 1;
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rect->right = tmp + 1;
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}
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if (rect->top > rect->bottom)
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{
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int tmp = rect->top;
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rect->top = rect->bottom + 1;
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rect->bottom = tmp + 1;
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}
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}
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static inline void reset_bounds( RECT *bounds )
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{
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bounds->left = bounds->top = INT_MAX;
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bounds->right = bounds->bottom = INT_MIN;
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}
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static inline void union_rect( RECT *dest, const RECT *src1, const RECT *src2 )
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{
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if (IsRectEmpty( src1 ))
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{
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if (IsRectEmpty( src2 ))
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{
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reset_bounds( dest );
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return;
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}
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else *dest = *src2;
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}
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else
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{
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if (IsRectEmpty( src2 )) *dest = *src1;
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else
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{
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dest->left = min( src1->left, src2->left );
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dest->right = max( src1->right, src2->right );
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dest->top = min( src1->top, src2->top );
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dest->bottom = max( src1->bottom, src2->bottom );
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}
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}
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}
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static inline void add_bounds_rect( RECT *bounds, const RECT *rect )
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{
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if (IsRectEmpty( rect )) return;
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bounds->left = min( bounds->left, rect->left );
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bounds->top = min( bounds->top, rect->top );
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bounds->right = max( bounds->right, rect->right );
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bounds->bottom = max( bounds->bottom, rect->bottom );
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}
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static inline int get_bitmap_stride( int width, int bpp )
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{
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return ((width * bpp + 15) >> 3) & ~1;
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}
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static inline int get_dib_stride( int width, int bpp )
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{
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return ((width * bpp + 31) >> 3) & ~3;
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}
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static inline int get_dib_image_size( const BITMAPINFO *info )
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{
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return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount )
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* abs( info->bmiHeader.biHeight );
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}
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/* only for use on sanitized BITMAPINFO structures */
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static inline int get_dib_info_size( const BITMAPINFO *info, UINT coloruse )
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{
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if (info->bmiHeader.biCompression == BI_BITFIELDS)
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return sizeof(BITMAPINFOHEADER) + 3 * sizeof(DWORD);
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if (coloruse == DIB_PAL_COLORS)
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return sizeof(BITMAPINFOHEADER) + info->bmiHeader.biClrUsed * sizeof(WORD);
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return FIELD_OFFSET( BITMAPINFO, bmiColors[info->bmiHeader.biClrUsed] );
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}
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/* only for use on sanitized BITMAPINFO structures */
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static inline void copy_bitmapinfo( BITMAPINFO *dst, const BITMAPINFO *src )
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{
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memcpy( dst, src, get_dib_info_size( src, DIB_RGB_COLORS ));
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}
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extern void CDECL free_heap_bits( struct gdi_image_bits *bits ) DECLSPEC_HIDDEN;
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void set_gdi_client_ptr( HGDIOBJ handle, void *ptr ) DECLSPEC_HIDDEN;
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extern SYSTEM_BASIC_INFORMATION system_info DECLSPEC_HIDDEN;
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#endif /* __WINE_NTGDI_PRIVATE_H */
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