/* * 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 { default_color_table = 1 }; typedef struct { int bit_count, width, height; int compression; RECT rect; /* visible rectangle relative to bitmap origin */ 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; const RGBQUAD *color_table; DWORD color_table_size; 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 dibdrv_physdev; typedef struct dib_brush { UINT style; UINT hatch; INT rop; /* rop2 last used to create the brush bits */ COLORREF colorref; dib_info dib; void *and_bits; void *xor_bits; struct brush_pattern pattern; BOOL (*rects)(struct dibdrv_physdev *pdev, struct dib_brush *brush, dib_info *dib, int num, const RECT *rects, INT rop); } dib_brush; 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; dib_brush brush; HRGN clip; RECT *bounds; /* pen */ DWORD pen_style, pen_endcap, pen_join; BOOL pen_uses_region, pen_is_ext; int pen_width; dib_brush pen_brush; dash_pattern pen_pattern; dash_pos dash_pos; rop_mask dash_masks[2]; BOOL (* pen_lines)(struct dibdrv_physdev *pdev, int num, POINT *pts, BOOL close, HRGN region); } dibdrv_physdev; extern BOOL dibdrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst, PHYSDEV src_dev, struct bitblt_coords *src, BLENDFUNCTION blend ) DECLSPEC_HIDDEN; extern BOOL dibdrv_Arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT start_x, INT start_y, INT end_x, INT end_y ) DECLSPEC_HIDDEN; extern BOOL dibdrv_ArcTo( PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT start_x, INT start_y, INT end_x, INT end_y ) 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_Chord( PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT start_x, INT start_y, INT end_x, INT end_y ) DECLSPEC_HIDDEN; extern BOOL dibdrv_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN; extern BOOL dibdrv_ExtFloodFill( PHYSDEV dev, INT x, INT y, COLORREF color, UINT type ) 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_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN; extern COLORREF dibdrv_GetPixel( PHYSDEV dev, INT x, INT y ) 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_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_Pie( PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT start_x, INT start_y, INT end_x, INT end_y ) DECLSPEC_HIDDEN; extern BOOL dibdrv_PolyPolygon( PHYSDEV dev, const POINT *pt, const INT *counts, DWORD polygons ) DECLSPEC_HIDDEN; extern BOOL dibdrv_PolyPolyline( PHYSDEV dev, const POINT* pt, const DWORD* counts, DWORD polylines ) DECLSPEC_HIDDEN; extern BOOL dibdrv_Polygon( PHYSDEV dev, const POINT *pt, INT count ) 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 BOOL dibdrv_RoundRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT ellipse_width, INT ellipse_height ) DECLSPEC_HIDDEN; extern HBRUSH dibdrv_SelectBrush( PHYSDEV dev, HBRUSH hbrush, const struct brush_pattern *pattern ) DECLSPEC_HIDDEN; extern HPEN dibdrv_SelectPen( PHYSDEV dev, HPEN hpen, const struct brush_pattern *pattern ) 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, int x, int y); 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; struct clipped_rects { RECT *rects; int count; RECT buffer[32]; }; extern void get_rop_codes(INT rop, struct rop_codes *codes) DECLSPEC_HIDDEN; extern void reset_dash_origin(dibdrv_physdev *pdev) DECLSPEC_HIDDEN; extern void 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(dib_brush *brush) 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_rect( dibdrv_physdev *pdev, dib_brush *brush, const RECT *rect, HRGN clip, INT rop ) DECLSPEC_HIDDEN; extern int get_clipped_rects( const dib_info *dib, const RECT *rc, HRGN clip, struct clipped_rects *clip_rects ) DECLSPEC_HIDDEN; extern void add_clipped_bounds( dibdrv_physdev *dev, const RECT *rect, HRGN clip ) 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; static inline void init_clipped_rects( struct clipped_rects *clip_rects ) { clip_rects->count = 0; clip_rects->rects = clip_rects->buffer; } static inline void free_clipped_rects( struct clipped_rects *clip_rects ) { if (clip_rects->rects != clip_rects->buffer) HeapFree( GetProcessHeap(), 0, clip_rects->rects ); } /* 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); }