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