/* * GDI definitions * * Copyright 1993 Alexandre Julliard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #ifndef __WINE_NTGDI_PRIVATE_H #define __WINE_NTGDI_PRIVATE_H #include #include #include "win32u_private.h" /* extra stock object: default 1x1 bitmap for memory DCs */ #define DEFAULT_BITMAP (STOCK_LAST+1) struct gdi_obj_funcs { INT (*pGetObjectW)( HGDIOBJ handle, INT count, LPVOID buffer ); BOOL (*pUnrealizeObject)( HGDIOBJ handle ); BOOL (*pDeleteObject)( HGDIOBJ handle ); }; struct gdi_obj_header { const struct gdi_obj_funcs *funcs; /* type-specific functions */ WORD selcount; /* number of times the object is selected in a DC */ WORD system : 1; /* system object flag */ WORD deleted : 1; /* whether DeleteObject has been called on this object */ }; typedef struct tagDC { struct gdi_obj_header obj; /* object header */ HDC hSelf; /* Handle to this DC */ struct gdi_physdev nulldrv; /* physdev for the null driver */ PHYSDEV physDev; /* current top of the physdev stack */ DWORD thread; /* thread owning the DC */ LONG refcount; /* thread refcount */ LONG dirty; /* dirty flag */ DC_ATTR *attr; /* DC attributes accessible by client */ struct tagDC *saved_dc; struct dce *dce; /* associated dce, if any */ BOOL bounds_enabled:1; /* bounds tracking is enabled */ BOOL path_open:1; /* path is currently open (only for saved DCs) */ BOOL is_display:1; /* DC is for display device */ RECT device_rect; /* rectangle for the whole device */ int pixel_format; /* pixel format (for memory DCs) */ UINT aa_flags; /* anti-aliasing flags to pass to GetGlyphOutline for current font */ WCHAR display[CCHDEVICENAME]; /* Display name when created for a specific display device */ int flags; HRGN hClipRgn; /* Clip region */ HRGN hMetaRgn; /* Meta region */ HRGN hVisRgn; /* Visible region */ HRGN region; /* Total DC region (intersection of clip and visible) */ HPEN hPen; HBRUSH hBrush; HFONT hFont; HBITMAP hBitmap; HPALETTE hPalette; struct gdi_path *path; const struct font_gamma_ramp *font_gamma_ramp; INT breakExtra; /* breakTotalExtra / breakCount */ INT breakRem; /* breakTotalExtra % breakCount */ XFORM xformWorld2Wnd; /* World-to-window transformation */ XFORM xformWorld2Vport; /* World-to-viewport transformation */ XFORM xformVport2World; /* Inverse of the above transformation */ BOOL vport2WorldValid; /* Is xformVport2World valid? */ RECT bounds; /* Current bounding rect */ } DC; /* dce flags */ #define DCHC_INVALIDVISRGN 0x0001 #define DCHC_DELETEDC 0x0002 #define DCHF_INVALIDATEVISRGN 0x0001 #define DCHF_VALIDATEVISRGN 0x0002 #define DCHF_RESETDC 0x0004 #define DCHF_DISABLEDC 0x0008 #define DCHF_ENABLEDC 0x0010 /* Rounds a floating point number to integer. The world-to-viewport * transformation process is done in floating point internally. This function * is then used to round these coordinates to integer values. */ static inline INT GDI_ROUND(double val) { return (int)floor(val + 0.5); } #define GET_DC_PHYSDEV(dc,func) \ get_physdev_entry_point( (dc)->physDev, FIELD_OFFSET(struct gdi_dc_funcs,func)) static inline PHYSDEV pop_dc_driver( DC *dc, const struct gdi_dc_funcs *funcs ) { PHYSDEV dev, *pdev = &dc->physDev; while (*pdev && (*pdev)->funcs != funcs) pdev = &(*pdev)->next; if (!*pdev) return NULL; dev = *pdev; *pdev = dev->next; return dev; } static inline PHYSDEV find_dc_driver( DC *dc, const struct gdi_dc_funcs *funcs ) { PHYSDEV dev; for (dev = dc->physDev; dev; dev = dev->next) if (dev->funcs == funcs) return dev; return NULL; } /* bitmap object */ typedef struct tagBITMAPOBJ { struct gdi_obj_header obj; DIBSECTION dib; SIZE size; /* For SetBitmapDimension() */ RGBQUAD *color_table; /* DIB color table if <= 8bpp (always 1 << bpp in size) */ } BITMAPOBJ; static inline BOOL is_bitmapobj_dib( const BITMAPOBJ *bmp ) { return bmp->dib.dsBmih.biSize != 0; } /* bitblt.c */ extern DWORD convert_bits( const BITMAPINFO *src_info, struct bitblt_coords *src, BITMAPINFO *dst_info, struct gdi_image_bits *bits ) DECLSPEC_HIDDEN; extern BOOL intersect_vis_rectangles( struct bitblt_coords *dst, struct bitblt_coords *src ) DECLSPEC_HIDDEN; extern DWORD stretch_bits( const BITMAPINFO *src_info, struct bitblt_coords *src, BITMAPINFO *dst_info, struct bitblt_coords *dst, struct gdi_image_bits *bits, int mode ) DECLSPEC_HIDDEN; extern void get_mono_dc_colors( DC *dc, int color_table_size, BITMAPINFO *info, int count ) DECLSPEC_HIDDEN; /* brush.c */ extern HBRUSH create_brush( const LOGBRUSH *brush ); extern BOOL store_brush_pattern( LOGBRUSH *brush, struct brush_pattern *pattern ) DECLSPEC_HIDDEN; extern void free_brush_pattern( struct brush_pattern *pattern ) DECLSPEC_HIDDEN; /* clipping.c */ extern BOOL clip_device_rect( DC *dc, RECT *dst, const RECT *src ) DECLSPEC_HIDDEN; extern BOOL clip_visrect( DC *dc, RECT *dst, const RECT *src ) DECLSPEC_HIDDEN; extern void set_visible_region( HDC hdc, HRGN hrgn, const RECT *vis_rect, const RECT *device_rect, struct window_surface *surface ); extern void update_dc_clipping( DC * dc ) DECLSPEC_HIDDEN; /* Return the total DC region (if any) */ static inline HRGN get_dc_region( DC *dc ) { if (dc->region) return dc->region; if (dc->hVisRgn) return dc->hVisRgn; if (dc->hClipRgn) return dc->hClipRgn; return dc->hMetaRgn; } /* dc.c */ extern DC *alloc_dc_ptr( DWORD magic ) DECLSPEC_HIDDEN; extern void free_dc_ptr( DC *dc ) DECLSPEC_HIDDEN; extern DC *get_dc_ptr( HDC hdc ) DECLSPEC_HIDDEN; extern void release_dc_ptr( DC *dc ) DECLSPEC_HIDDEN; extern struct dce *get_dc_dce( HDC hdc ) DECLSPEC_HIDDEN; extern void set_dc_dce( HDC hdc, struct dce *dce ) DECLSPEC_HIDDEN; extern WORD set_dce_flags( HDC hdc, WORD flags ) DECLSPEC_HIDDEN; extern DWORD set_stretch_blt_mode( HDC hdc, DWORD mode ) DECLSPEC_HIDDEN; extern void DC_InitDC( DC * dc ) DECLSPEC_HIDDEN; extern void DC_UpdateXforms( DC * dc ) DECLSPEC_HIDDEN; /* dib.c */ extern BOOL fill_color_table_from_pal_colors( BITMAPINFO *info, HDC hdc ) DECLSPEC_HIDDEN; extern const RGBQUAD *get_default_color_table( int bpp ) DECLSPEC_HIDDEN; extern void fill_default_color_table( BITMAPINFO *info ) DECLSPEC_HIDDEN; extern void get_ddb_bitmapinfo( BITMAPOBJ *bmp, BITMAPINFO *info ) DECLSPEC_HIDDEN; extern BITMAPINFO *copy_packed_dib( const BITMAPINFO *src_info, UINT usage ) DECLSPEC_HIDDEN; extern DWORD convert_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src, const BITMAPINFO *dst_info, void *dst_bits ) DECLSPEC_HIDDEN; extern DWORD stretch_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src, const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst, INT mode ) DECLSPEC_HIDDEN; extern DWORD blend_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src, const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst, BLENDFUNCTION blend ) DECLSPEC_HIDDEN; extern DWORD gradient_bitmapinfo( const BITMAPINFO *info, void *bits, TRIVERTEX *vert_array, ULONG nvert, void *grad_array, ULONG ngrad, ULONG mode, const POINT *dev_pts, HRGN rgn ) DECLSPEC_HIDDEN; extern COLORREF get_pixel_bitmapinfo( const BITMAPINFO *info, void *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN; extern BOOL render_aa_text_bitmapinfo( DC *dc, BITMAPINFO *info, struct gdi_image_bits *bits, struct bitblt_coords *src, INT x, INT y, UINT flags, UINT aa_flags, LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN; extern DWORD get_image_from_bitmap( BITMAPOBJ *bmp, BITMAPINFO *info, struct gdi_image_bits *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN; extern DWORD put_image_into_bitmap( BITMAPOBJ *bmp, HRGN clip, BITMAPINFO *info, const struct gdi_image_bits *bits, struct bitblt_coords *src, struct bitblt_coords *dst ) DECLSPEC_HIDDEN; extern UINT get_dib_dc_color_table( HDC hdc, UINT startpos, UINT entries, RGBQUAD *colors ) DECLSPEC_HIDDEN; extern UINT set_dib_dc_color_table( HDC hdc, UINT startpos, UINT entries, const RGBQUAD *colors ) DECLSPEC_HIDDEN; extern void dibdrv_set_window_surface( DC *dc, struct window_surface *surface ) DECLSPEC_HIDDEN; extern struct opengl_funcs *dibdrv_get_wgl_driver(void) DECLSPEC_HIDDEN; /* driver.c */ extern const struct gdi_dc_funcs null_driver DECLSPEC_HIDDEN; extern const struct gdi_dc_funcs dib_driver DECLSPEC_HIDDEN; extern const struct gdi_dc_funcs path_driver DECLSPEC_HIDDEN; extern const struct gdi_dc_funcs font_driver DECLSPEC_HIDDEN; extern const struct gdi_dc_funcs *get_display_driver(void) DECLSPEC_HIDDEN; /* font.c */ struct font_gamma_ramp { DWORD gamma; BYTE encode[256]; BYTE decode[256]; }; typedef struct { FLOAT eM11, eM12, eM21, eM22; } FMAT2; struct bitmap_font_size { int width; int height; int size; int x_ppem; int y_ppem; int internal_leading; }; struct gdi_font { struct list entry; struct list unused_entry; DWORD refcount; DWORD gm_size; struct glyph_metrics **gm; OUTLINETEXTMETRICW otm; KERNINGPAIR *kern_pairs; int kern_count; /* the following members can be accessed without locking, they are never modified after creation */ void *private; /* font backend private data */ struct list child_fonts; DWORD handle; DWORD cache_num; DWORD hash; UINT charset; UINT codepage; FONTSIGNATURE fs; LOGFONTW lf; FMAT2 matrix; UINT face_index; INT scale_y; INT aveWidth; INT ppem; SHORT yMax; SHORT yMin; UINT ntmFlags; UINT ntmAvgWidth; UINT aa_flags; ULONG ttc_item_offset; /* 0 if font is not a part of TrueType collection */ BOOL can_use_bitmap : 1; BOOL fake_italic : 1; BOOL fake_bold : 1; BOOL scalable : 1; BOOL use_logfont_name : 1; struct gdi_font *base_font; void *gsub_table; void *vert_feature; void *data_ptr; SIZE_T data_size; FILETIME writetime; WCHAR file[1]; }; #define MS_MAKE_TAG(ch1,ch2,ch3,ch4) \ (((DWORD)ch4 << 24) | ((DWORD)ch3 << 16) | ((DWORD)ch2 << 8) | (DWORD)ch1) #define MS_GASP_TAG MS_MAKE_TAG('g', 'a', 's', 'p') #define MS_GSUB_TAG MS_MAKE_TAG('G', 'S', 'U', 'B') #define MS_KERN_TAG MS_MAKE_TAG('k', 'e', 'r', 'n') #define MS_TTCF_TAG MS_MAKE_TAG('t', 't', 'c', 'f') #define MS_VDMX_TAG MS_MAKE_TAG('V', 'D', 'M', 'X') #define FS_DBCS_MASK (FS_JISJAPAN | FS_CHINESESIMP | FS_WANSUNG | FS_CHINESETRAD | FS_JOHAB) #define ADDFONT_EXTERNAL_FONT 0x01 #define ADDFONT_ALLOW_BITMAP 0x02 #define ADDFONT_ADD_TO_CACHE 0x04 #define ADDFONT_ADD_RESOURCE 0x08 /* added through AddFontResource */ #define ADDFONT_VERTICAL_FONT 0x10 #define ADDFONT_EXTERNAL_FOUND 0x20 #define ADDFONT_AA_FLAGS(flags) ((flags) << 16) struct font_backend_funcs { void (*load_fonts)(void); BOOL (*enum_family_fallbacks)( DWORD pitch_and_family, int index, WCHAR buffer[LF_FACESIZE] ); INT (*add_font)( const WCHAR *file, DWORD flags ); INT (*add_mem_font)( void *ptr, SIZE_T size, DWORD flags ); BOOL (*load_font)( struct gdi_font *gdi_font ); DWORD (*get_font_data)( struct gdi_font *gdi_font, DWORD table, DWORD offset, void *buf, DWORD count ); UINT (*get_aa_flags)( struct gdi_font *font, UINT aa_flags, BOOL antialias_fakes ); BOOL (*get_glyph_index)( struct gdi_font *gdi_font, UINT *glyph, BOOL use_encoding ); UINT (*get_default_glyph)( struct gdi_font *gdi_font ); DWORD (*get_glyph_outline)( struct gdi_font *font, UINT glyph, UINT format, GLYPHMETRICS *gm, ABC *abc, DWORD buflen, void *buf, const MAT2 *mat, BOOL tategaki ); DWORD (*get_unicode_ranges)( struct gdi_font *font, GLYPHSET *gs ); BOOL (*get_char_width_info)( struct gdi_font *font, struct char_width_info *info ); BOOL (*set_outline_text_metrics)( struct gdi_font *font ); BOOL (*set_bitmap_text_metrics)( struct gdi_font *font ); DWORD (*get_kerning_pairs)( struct gdi_font *gdi_font, KERNINGPAIR **kern_pair ); void (*destroy_font)( struct gdi_font *font ); }; extern int add_gdi_face( const WCHAR *family_name, const WCHAR *second_name, const WCHAR *style, const WCHAR *fullname, const WCHAR *file, void *data_ptr, SIZE_T data_size, UINT index, FONTSIGNATURE fs, DWORD ntmflags, DWORD version, DWORD flags, const struct bitmap_font_size *size ) DECLSPEC_HIDDEN; extern UINT font_init(void) DECLSPEC_HIDDEN; extern CPTABLEINFO *get_cptable( WORD cp ) DECLSPEC_HIDDEN; extern const struct font_backend_funcs *init_freetype_lib(void) DECLSPEC_HIDDEN; /* opentype.c */ struct ttc_sfnt_v1; struct tt_name_v0; struct opentype_name { DWORD codepage; DWORD length; const void *bytes; }; extern BOOL opentype_get_ttc_sfnt_v1( const void *data, size_t size, DWORD index, DWORD *count, const struct ttc_sfnt_v1 **ttc_sfnt_v1 ) DECLSPEC_HIDDEN; extern BOOL opentype_get_tt_name_v0( const void *data, size_t size, const struct ttc_sfnt_v1 *ttc_sfnt_v1, const struct tt_name_v0 **tt_name_v0 ) DECLSPEC_HIDDEN; typedef BOOL ( *opentype_enum_names_cb )( LANGID langid, struct opentype_name *name, void *user ); extern BOOL opentype_enum_family_names( const struct tt_name_v0 *tt_name_v0, opentype_enum_names_cb callback, void *user ) DECLSPEC_HIDDEN; extern BOOL opentype_enum_style_names( const struct tt_name_v0 *tt_name_v0, opentype_enum_names_cb callback, void *user ) DECLSPEC_HIDDEN; extern BOOL opentype_enum_full_names( const struct tt_name_v0 *tt_name_v0, opentype_enum_names_cb callback, void *user ) DECLSPEC_HIDDEN; extern BOOL opentype_get_properties( const void *data, size_t size, const struct ttc_sfnt_v1 *ttc_sfnt_v1, DWORD *version, FONTSIGNATURE *fs, DWORD *ntm_flags ) DECLSPEC_HIDDEN; extern BOOL translate_charset_info( DWORD *src, CHARSETINFO *cs, DWORD flags ) DECLSPEC_HIDDEN; /* gdiobj.c */ extern HGDIOBJ alloc_gdi_handle( struct gdi_obj_header *obj, DWORD type, const struct gdi_obj_funcs *funcs ) DECLSPEC_HIDDEN; extern void *free_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN; extern void *GDI_GetObjPtr( HGDIOBJ, DWORD ) DECLSPEC_HIDDEN; extern void *get_any_obj_ptr( HGDIOBJ, DWORD * ) DECLSPEC_HIDDEN; extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN; extern UINT GDI_get_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN; extern HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN; extern BOOL GDI_dec_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN; extern HGDIOBJ get_stock_object( INT obj ) DECLSPEC_HIDDEN; extern DWORD get_gdi_object_type( HGDIOBJ obj ) DECLSPEC_HIDDEN; extern void make_gdi_object_system( HGDIOBJ handle, BOOL set ) DECLSPEC_HIDDEN; /* mapping.c */ extern BOOL dp_to_lp( DC *dc, POINT *points, INT count ) DECLSPEC_HIDDEN; extern void lp_to_dp( DC *dc, POINT *points, INT count ) DECLSPEC_HIDDEN; extern BOOL set_map_mode( DC *dc, int mode ) DECLSPEC_HIDDEN; extern void combine_transform( XFORM *result, const XFORM *xform1, const XFORM *xform2 ) DECLSPEC_HIDDEN; extern int muldiv( int a, int b, int c ) DECLSPEC_HIDDEN; /* driver.c */ extern BOOL is_display_device( LPCWSTR name ) DECLSPEC_HIDDEN; /* path.c */ extern void free_gdi_path( struct gdi_path *path ) DECLSPEC_HIDDEN; extern struct gdi_path *get_gdi_flat_path( DC *dc, HRGN *rgn ) DECLSPEC_HIDDEN; extern int get_gdi_path_data( struct gdi_path *path, POINT **points, BYTE **flags ) DECLSPEC_HIDDEN; extern BOOL PATH_SavePath( DC *dst, DC *src ) DECLSPEC_HIDDEN; extern BOOL PATH_RestorePath( DC *dst, DC *src ) DECLSPEC_HIDDEN; /* painting.c */ extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut ) DECLSPEC_HIDDEN; /* palette.c */ extern HPALETTE PALETTE_Init(void) DECLSPEC_HIDDEN; extern UINT get_palette_entries( HPALETTE hpalette, UINT start, UINT count, PALETTEENTRY *entries ) DECLSPEC_HIDDEN; extern UINT realize_palette( HDC hdc ) DECLSPEC_HIDDEN; /* pen.c */ extern HPEN create_pen( INT style, INT width, COLORREF color ) DECLSPEC_HIDDEN; /* region.c */ extern BOOL add_rect_to_region( HRGN rgn, const RECT *rect ) DECLSPEC_HIDDEN; extern INT mirror_region( HRGN dst, HRGN src, INT width ) DECLSPEC_HIDDEN; extern BOOL mirror_window_region( HWND hwnd, HRGN hrgn ) DECLSPEC_HIDDEN; extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y ) DECLSPEC_HIDDEN; extern HRGN create_polypolygon_region( const POINT *pts, const INT *count, INT nbpolygons, INT mode, const RECT *clip_rect ) DECLSPEC_HIDDEN; /* dce.c */ extern BOOL delete_dce( struct dce *dce ) DECLSPEC_HIDDEN; extern void update_dc( DC *dc ) DECLSPEC_HIDDEN; #define RGN_DEFAULT_RECTS 4 typedef struct { struct gdi_obj_header obj; INT size; INT numRects; RECT *rects; RECT extents; RECT rects_buf[RGN_DEFAULT_RECTS]; } WINEREGION; /* return the region data without making a copy */ static inline const WINEREGION *get_wine_region(HRGN rgn) { return GDI_GetObjPtr( rgn, NTGDI_OBJ_REGION ); } static inline void release_wine_region(HRGN rgn) { GDI_ReleaseObj(rgn); } /********************************************************** * region_find_pt * * Return either the index of the rectangle that contains (x,y) or the first * rectangle after it. Sets *hit to TRUE if the region contains (x,y). * Note if (x,y) follows all rectangles, then the return value will be rgn->numRects. */ static inline int region_find_pt( const WINEREGION *rgn, int x, int y, BOOL *hit ) { int i, start = 0, end = rgn->numRects - 1; BOOL h = FALSE; while (start <= end) { i = (start + end) / 2; if (rgn->rects[i].bottom <= y || (rgn->rects[i].top <= y && rgn->rects[i].right <= x)) start = i + 1; else if (rgn->rects[i].top > y || (rgn->rects[i].bottom > y && rgn->rects[i].left > x)) end = i - 1; else { h = TRUE; break; } } if (hit) *hit = h; return h ? i : start; } /* null driver entry points */ extern BOOL CDECL nulldrv_AbortPath( PHYSDEV dev ) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst, PHYSDEV src_dev, struct bitblt_coords *src, BLENDFUNCTION func) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_AngleArc( PHYSDEV dev, INT x, INT y, DWORD radius, FLOAT start, FLOAT sweep ) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_ArcTo( PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT xstart, INT ystart, INT xend, INT yend ) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_BeginPath( PHYSDEV dev ) DECLSPEC_HIDDEN; extern DWORD CDECL nulldrv_BlendImage( PHYSDEV dev, BITMAPINFO *info, const struct gdi_image_bits *bits, struct bitblt_coords *src, struct bitblt_coords *dst, BLENDFUNCTION func ) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_CloseFigure( PHYSDEV dev ) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_EndPath( PHYSDEV dev ) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags, const RECT *rect, LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_FillPath( PHYSDEV dev ) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_FillRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush ) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_FrameRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush, INT width, INT height ) DECLSPEC_HIDDEN; extern LONG CDECL nulldrv_GetBitmapBits( HBITMAP bitmap, void *bits, LONG size ) DECLSPEC_HIDDEN; extern COLORREF CDECL nulldrv_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN; extern COLORREF CDECL nulldrv_GetPixel( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN; extern UINT CDECL nulldrv_GetSystemPaletteEntries( PHYSDEV dev, UINT start, UINT count, PALETTEENTRY *entries ) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_GradientFill( PHYSDEV dev, TRIVERTEX *vert_array, ULONG nvert, void * grad_array, ULONG ngrad, ULONG mode ) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_InvertRgn( PHYSDEV dev, HRGN rgn ) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_PolyBezier( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_PolyBezierTo( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_PolyDraw( PHYSDEV dev, const POINT *points, const BYTE *types, DWORD count ) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_PolylineTo( PHYSDEV dev, const POINT *points, INT count ) DECLSPEC_HIDDEN; extern INT CDECL nulldrv_SetDIBitsToDevice( PHYSDEV dev, INT x_dst, INT y_dst, DWORD width, DWORD height, INT x_src, INT y_src, UINT start, UINT lines, const void *bits, BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst, PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) DECLSPEC_HIDDEN; extern INT CDECL nulldrv_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT heightDst, INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, const void *bits, BITMAPINFO *info, UINT coloruse, DWORD rop ) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_StrokeAndFillPath( PHYSDEV dev ) DECLSPEC_HIDDEN; extern BOOL CDECL nulldrv_StrokePath( PHYSDEV dev ) DECLSPEC_HIDDEN; static inline DC *get_nulldrv_dc( PHYSDEV dev ) { return CONTAINING_RECORD( dev, DC, nulldrv ); } static inline DC *get_physdev_dc( PHYSDEV dev ) { while (dev->funcs != &null_driver) dev = dev->next; return get_nulldrv_dc( dev ); } BOOL WINAPI FontIsLinked(HDC); BOOL WINAPI SetVirtualResolution(HDC hdc, DWORD horz_res, DWORD vert_res, DWORD horz_size, DWORD vert_size); static inline BOOL is_rect_empty( const RECT *rect ) { return (rect->left >= rect->right || rect->top >= rect->bottom); } static inline BOOL intersect_rect( RECT *dst, const RECT *src1, const RECT *src2 ) { dst->left = max( src1->left, src2->left ); dst->top = max( src1->top, src2->top ); dst->right = min( src1->right, src2->right ); dst->bottom = min( src1->bottom, src2->bottom ); return !is_rect_empty( dst ); } static inline void offset_rect( RECT *rect, int offset_x, int offset_y ) { rect->left += offset_x; rect->top += offset_y; rect->right += offset_x; rect->bottom += offset_y; } static inline void set_rect( RECT *rect, int left, int top, int right, int bottom ) { rect->left = left; rect->top = top; rect->right = right; rect->bottom = bottom; } static inline void order_rect( RECT *rect ) { if (rect->left > rect->right) { int tmp = rect->left; rect->left = rect->right; rect->right = tmp; } if (rect->top > rect->bottom) { int tmp = rect->top; rect->top = rect->bottom; rect->bottom = tmp; } } static inline void get_bounding_rect( RECT *rect, int x, int y, int width, int height ) { rect->left = x; rect->right = x + width; rect->top = y; rect->bottom = y + height; if (rect->left > rect->right) { int tmp = rect->left; rect->left = rect->right + 1; rect->right = tmp + 1; } if (rect->top > rect->bottom) { int tmp = rect->top; rect->top = rect->bottom + 1; rect->bottom = tmp + 1; } } static inline void reset_bounds( RECT *bounds ) { bounds->left = bounds->top = INT_MAX; bounds->right = bounds->bottom = INT_MIN; } static inline void union_rect( RECT *dest, const RECT *src1, const RECT *src2 ) { if (is_rect_empty( src1 )) { if (is_rect_empty( src2 )) { reset_bounds( dest ); return; } else *dest = *src2; } else { if (is_rect_empty( src2 )) *dest = *src1; else { dest->left = min( src1->left, src2->left ); dest->right = max( src1->right, src2->right ); dest->top = min( src1->top, src2->top ); dest->bottom = max( src1->bottom, src2->bottom ); } } } static inline void add_bounds_rect( RECT *bounds, const RECT *rect ) { if (is_rect_empty( rect )) return; bounds->left = min( bounds->left, rect->left ); bounds->top = min( bounds->top, rect->top ); bounds->right = max( bounds->right, rect->right ); bounds->bottom = max( bounds->bottom, rect->bottom ); } static inline int get_bitmap_stride( int width, int bpp ) { return ((width * bpp + 15) >> 3) & ~1; } static inline int get_dib_stride( int width, int bpp ) { return ((width * bpp + 31) >> 3) & ~3; } static inline int get_dib_image_size( const BITMAPINFO *info ) { return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount ) * abs( info->bmiHeader.biHeight ); } /* only for use on sanitized BITMAPINFO structures */ static inline int get_dib_info_size( const BITMAPINFO *info, UINT coloruse ) { if (info->bmiHeader.biCompression == BI_BITFIELDS) return sizeof(BITMAPINFOHEADER) + 3 * sizeof(DWORD); if (coloruse == DIB_PAL_COLORS) return sizeof(BITMAPINFOHEADER) + info->bmiHeader.biClrUsed * sizeof(WORD); return FIELD_OFFSET( BITMAPINFO, bmiColors[info->bmiHeader.biClrUsed] ); } /* only for use on sanitized BITMAPINFO structures */ static inline void copy_bitmapinfo( BITMAPINFO *dst, const BITMAPINFO *src ) { memcpy( dst, src, get_dib_info_size( src, DIB_RGB_COLORS )); } extern void CDECL free_heap_bits( struct gdi_image_bits *bits ) DECLSPEC_HIDDEN; void set_gdi_client_ptr( HGDIOBJ handle, void *ptr ) DECLSPEC_HIDDEN; extern SYSTEM_BASIC_INFORMATION system_info DECLSPEC_HIDDEN; #endif /* __WINE_NTGDI_PRIVATE_H */