/* * DIB driver include file. * * Copyright 2011 Huw Davies * * 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 */ enum dib_info_flags { private_color_table = 1 }; typedef struct { int bit_count, width, height; int compression; int stride; /* stride in bytes. Will be -ve for bottom-up dibs (see bits). */ struct gdi_image_bits bits; /* bits.ptr points to the top-left corner of the dib. */ DWORD red_mask, green_mask, blue_mask; int red_shift, green_shift, blue_shift; int red_len, green_len, blue_len; RGBQUAD *color_table; DWORD color_table_size; enum dib_info_flags flags; const struct primitive_funcs *funcs; } dib_info; typedef struct { DWORD count; DWORD dashes[16]; /* 16 is the maximum number for a PS_USERSTYLE pen */ DWORD total_len; /* total length of the dashes, should be multiplied by 2 if there are an odd number of dash lengths */ } dash_pattern; typedef struct { int left_in_dash; int cur_dash; BOOL mark; } dash_pos; typedef struct { DWORD and; DWORD xor; } rop_mask; typedef struct { void *and; void *xor; } rop_mask_bits; struct intensity_range { BYTE r_min, r_max; BYTE g_min, g_max; BYTE b_min, b_max; }; typedef struct dibdrv_physdev { struct gdi_physdev dev; dib_info dib; HRGN clip; DWORD defer; /* pen */ COLORREF pen_colorref; DWORD pen_color, pen_and, pen_xor; dash_pattern pen_pattern; dash_pos dash_pos; BOOL (* pen_lines)(struct dibdrv_physdev *pdev, int num, POINT *pts, BOOL close); /* brush */ UINT brush_style; UINT brush_hatch; INT brush_rop; /* PatBlt, for example, can override the DC's rop2 */ COLORREF brush_colorref; DWORD brush_color, brush_and, brush_xor; dib_info brush_dib; void *brush_and_bits, *brush_xor_bits; const BITMAPINFO *brush_pattern_info; void *brush_pattern_bits; UINT brush_pattern_usage; BOOL (* brush_rects)(struct dibdrv_physdev *pdev, dib_info *dib, int num, const RECT *rects, HRGN clip); /* background */ DWORD bkgnd_color, bkgnd_and, bkgnd_xor; /* text */ DWORD text_color; struct intensity_range glyph_intensities[17]; } dibdrv_physdev; #define DEFER_FORMAT 1 #define DEFER_PEN 2 #define DEFER_BRUSH 4 extern BOOL dibdrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst, PHYSDEV src_dev, struct bitblt_coords *src, BLENDFUNCTION blend ) DECLSPEC_HIDDEN; extern DWORD dibdrv_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 dibdrv_GradientFill( PHYSDEV dev, TRIVERTEX *vert_array, ULONG nvert, void *grad_array, ULONG ngrad, ULONG mode ) DECLSPEC_HIDDEN; extern BOOL dibdrv_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags, const RECT *rect, LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN; extern DWORD dibdrv_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info, struct gdi_image_bits *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN; extern COLORREF dibdrv_GetPixel( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN; extern BOOL dibdrv_LineTo( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN; extern BOOL dibdrv_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop ) DECLSPEC_HIDDEN; extern BOOL dibdrv_PaintRgn( PHYSDEV dev, HRGN hrgn ) DECLSPEC_HIDDEN; extern BOOL dibdrv_PolyPolyline( PHYSDEV dev, const POINT* pt, const DWORD* counts, DWORD polylines ) DECLSPEC_HIDDEN; extern BOOL dibdrv_Polyline( PHYSDEV dev, const POINT* pt, INT count ) DECLSPEC_HIDDEN; extern DWORD dibdrv_PutImage( PHYSDEV dev, HBITMAP hbitmap, HRGN clip, BITMAPINFO *info, const struct gdi_image_bits *bits, struct bitblt_coords *src, struct bitblt_coords *dst, DWORD rop ) DECLSPEC_HIDDEN; extern BOOL dibdrv_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN; extern HBRUSH dibdrv_SelectBrush( PHYSDEV dev, HBRUSH hbrush, HBITMAP bitmap, const BITMAPINFO *info, void *bits, UINT usage ) DECLSPEC_HIDDEN; extern HPEN dibdrv_SelectPen( PHYSDEV dev, HPEN hpen ) DECLSPEC_HIDDEN; extern COLORREF dibdrv_SetDCBrushColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN; extern COLORREF dibdrv_SetDCPenColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN; extern COLORREF dibdrv_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color ) DECLSPEC_HIDDEN; extern BOOL dibdrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst, PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) DECLSPEC_HIDDEN; static inline dibdrv_physdev *get_dibdrv_pdev( PHYSDEV dev ) { return (dibdrv_physdev *)dev; } struct line_params { int err_start, err_add_1, err_add_2, bias; unsigned int length; int x_inc, y_inc; BOOL x_major; }; struct stretch_params { int err_start, err_add_1, err_add_2; unsigned int length; int dst_inc, src_inc; }; typedef struct primitive_funcs { void (* solid_rects)(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor); void (* solid_line)(const dib_info *dib, const POINT *start, const struct line_params *params, DWORD and, DWORD xor); void (* pattern_rects)(const dib_info *dib, int num, const RECT *rc, const POINT *orign, const dib_info *brush, void *and_bits, void *xor_bits); void (* copy_rect)(const dib_info *dst, const RECT *rc, const dib_info *src, const POINT *origin, int rop2, int overlap); void (* blend_rect)(const dib_info *dst, const RECT *rc, const dib_info *src, const POINT *origin, BLENDFUNCTION blend); BOOL (* gradient_rect)(const dib_info *dib, const RECT *rc, const TRIVERTEX *v, int mode); void (* draw_glyph)(const dib_info *dst, const RECT *rc, const dib_info *glyph, const POINT *origin, DWORD text_pixel, const struct intensity_range *ranges); DWORD (* get_pixel)(const dib_info *dib, const POINT *pt); DWORD (* colorref_to_pixel)(const dib_info *dib, COLORREF color); COLORREF (* pixel_to_colorref)(const dib_info *dib, DWORD pixel); void (* convert_to)(dib_info *dst, const dib_info *src, const RECT *src_rect); BOOL (* create_rop_masks)(const dib_info *dib, const dib_info *hatch, const rop_mask *fg, const rop_mask *bg, rop_mask_bits *bits); void (* stretch_row)(const dib_info *dst_dib, const POINT *dst_start, const dib_info *src_dib, const POINT *src_start, const struct stretch_params *params, int mode, BOOL keep_dst); void (* shrink_row)(const dib_info *dst_dib, const POINT *dst_start, const dib_info *src_dib, const POINT *src_start, const struct stretch_params *params, int mode, BOOL keep_dst); } primitive_funcs; extern const primitive_funcs funcs_8888 DECLSPEC_HIDDEN; extern const primitive_funcs funcs_32 DECLSPEC_HIDDEN; extern const primitive_funcs funcs_24 DECLSPEC_HIDDEN; extern const primitive_funcs funcs_555 DECLSPEC_HIDDEN; extern const primitive_funcs funcs_16 DECLSPEC_HIDDEN; extern const primitive_funcs funcs_8 DECLSPEC_HIDDEN; extern const primitive_funcs funcs_4 DECLSPEC_HIDDEN; extern const primitive_funcs funcs_1 DECLSPEC_HIDDEN; extern const primitive_funcs funcs_null DECLSPEC_HIDDEN; struct rop_codes { DWORD a1, a2, x1, x2; }; #define OVERLAP_LEFT 0x01 /* dest starts left of source */ #define OVERLAP_RIGHT 0x02 /* dest starts right of source */ #define OVERLAP_ABOVE 0x04 /* dest starts above source */ #define OVERLAP_BELOW 0x08 /* dest starts below source */ typedef struct { unsigned int dx, dy; int bias; DWORD octant; } bres_params; extern void get_rop_codes(INT rop, struct rop_codes *codes) DECLSPEC_HIDDEN; extern void calc_and_xor_masks(INT rop, DWORD color, DWORD *and, DWORD *xor) DECLSPEC_HIDDEN; extern void update_brush_rop( dibdrv_physdev *pdev, INT rop ) DECLSPEC_HIDDEN; extern void reset_dash_origin(dibdrv_physdev *pdev) DECLSPEC_HIDDEN; extern BOOL init_dib_info(dib_info *dib, const BITMAPINFOHEADER *bi, const DWORD *bit_fields, RGBQUAD *color_table, int color_table_size, void *bits, enum dib_info_flags flags) DECLSPEC_HIDDEN; extern BOOL init_dib_info_from_brush(dib_info *dib, const BITMAPINFO *bi, void *bits, UINT usage, HPALETTE pal) DECLSPEC_HIDDEN; extern BOOL init_dib_info_from_bitmapinfo(dib_info *dib, const BITMAPINFO *info, void *bits, enum dib_info_flags flags) DECLSPEC_HIDDEN; extern BOOL init_dib_info_from_bitmapobj(dib_info *dib, BITMAPOBJ *bmp, enum dib_info_flags flags) DECLSPEC_HIDDEN; extern void free_dib_info(dib_info *dib) DECLSPEC_HIDDEN; extern void free_pattern_brush(dibdrv_physdev *pdev) DECLSPEC_HIDDEN; extern void copy_dib_color_info(dib_info *dst, const dib_info *src) DECLSPEC_HIDDEN; extern BOOL convert_dib(dib_info *dst, const dib_info *src) DECLSPEC_HIDDEN; extern COLORREF make_rgb_colorref( HDC hdc, dib_info *dib, COLORREF color, BOOL *got_pixel, DWORD *pixel ) DECLSPEC_HIDDEN; extern DWORD get_pixel_color(dibdrv_physdev *pdev, COLORREF color, BOOL mono_fixup) DECLSPEC_HIDDEN; extern BOOL brush_rects( dibdrv_physdev *pdev, int num, const RECT *rects ) DECLSPEC_HIDDEN; extern void solid_rects( dib_info *dib, int num, const RECT *rects, const rop_mask *color, HRGN region ) DECLSPEC_HIDDEN; extern HRGN add_extra_clipping_region( dibdrv_physdev *pdev, HRGN rgn ) DECLSPEC_HIDDEN; extern void restore_clipping_region( dibdrv_physdev *pdev, HRGN rgn ) DECLSPEC_HIDDEN; extern int clip_line(const POINT *start, const POINT *end, const RECT *clip, const bres_params *params, POINT *pt1, POINT *pt2) DECLSPEC_HIDDEN; extern void update_aa_ranges( dibdrv_physdev *pdev ) DECLSPEC_HIDDEN; /* compute the x coordinate corresponding to y on the specified edge */ static inline int edge_coord( int y, int x1, int y1, int x2, int y2 ) { if (x2 > x1) /* always follow the edge from right to left to get correct rounding */ return x2 + (y - y2) * (x2 - x1) / (y2 - y1); else return x1 + (y - y1) * (x2 - x1) / (y2 - y1); } static inline BOOL defer_pen(dibdrv_physdev *pdev) { return pdev->defer & (DEFER_FORMAT | DEFER_PEN); } static inline BOOL defer_brush(dibdrv_physdev *pdev) { return pdev->defer & (DEFER_FORMAT | DEFER_BRUSH); }