2 * DIB driver include file.
4 * Copyright 2011 Huw Davies
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 default_color_table = 1
28 int bit_count, width, height;
30 int stride; /* stride in bytes. Will be -ve for bottom-up dibs (see bits). */
31 struct gdi_image_bits bits; /* bits.ptr points to the top-left corner of the dib. */
33 DWORD red_mask, green_mask, blue_mask;
34 int red_shift, green_shift, blue_shift;
35 int red_len, green_len, blue_len;
37 const RGBQUAD *color_table;
38 DWORD color_table_size;
40 const struct primitive_funcs *funcs;
46 DWORD dashes[16]; /* 16 is the maximum number for a PS_USERSTYLE pen */
47 DWORD total_len; /* total length of the dashes, should be multiplied by 2 if there are an odd number of dash lengths */
69 struct intensity_range
76 typedef struct dibdrv_physdev
78 struct gdi_physdev dev;
85 COLORREF pen_colorref;
86 DWORD pen_color, pen_and, pen_xor, pen_endcap, pen_join;
88 dash_pattern pen_pattern;
90 BOOL (* pen_lines)(struct dibdrv_physdev *pdev, int num, POINT *pts, BOOL close);
95 INT brush_rop; /* PatBlt, for example, can override the DC's rop2 */
96 COLORREF brush_colorref;
97 DWORD brush_color, brush_and, brush_xor;
99 void *brush_and_bits, *brush_xor_bits;
100 const BITMAPINFO *brush_pattern_info;
101 void *brush_pattern_bits;
102 UINT brush_pattern_usage;
103 HBITMAP brush_pattern_bitmap;
104 BOOL (* brush_rects)(struct dibdrv_physdev *pdev, dib_info *dib, int num, const RECT *rects, HRGN clip);
107 DWORD bkgnd_color, bkgnd_and, bkgnd_xor;
111 struct intensity_range glyph_intensities[17];
116 extern BOOL dibdrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
117 PHYSDEV src_dev, struct bitblt_coords *src, BLENDFUNCTION blend ) DECLSPEC_HIDDEN;
118 extern DWORD dibdrv_BlendImage( PHYSDEV dev, BITMAPINFO *info, const struct gdi_image_bits *bits,
119 struct bitblt_coords *src, struct bitblt_coords *dst, BLENDFUNCTION func ) DECLSPEC_HIDDEN;
120 extern BOOL dibdrv_GradientFill( PHYSDEV dev, TRIVERTEX *vert_array, ULONG nvert,
121 void *grad_array, ULONG ngrad, ULONG mode ) DECLSPEC_HIDDEN;
122 extern BOOL dibdrv_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags,
123 const RECT *rect, LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
124 extern DWORD dibdrv_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info,
125 struct gdi_image_bits *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
126 extern COLORREF dibdrv_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
127 extern COLORREF dibdrv_GetPixel( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
128 extern BOOL dibdrv_LineTo( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
129 extern BOOL dibdrv_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop ) DECLSPEC_HIDDEN;
130 extern BOOL dibdrv_PaintRgn( PHYSDEV dev, HRGN hrgn ) DECLSPEC_HIDDEN;
131 extern BOOL dibdrv_PolyPolyline( PHYSDEV dev, const POINT* pt, const DWORD* counts,
132 DWORD polylines ) DECLSPEC_HIDDEN;
133 extern BOOL dibdrv_Polyline( PHYSDEV dev, const POINT* pt, INT count ) DECLSPEC_HIDDEN;
134 extern DWORD dibdrv_PutImage( PHYSDEV dev, HBITMAP hbitmap, HRGN clip, BITMAPINFO *info,
135 const struct gdi_image_bits *bits, struct bitblt_coords *src,
136 struct bitblt_coords *dst, DWORD rop ) DECLSPEC_HIDDEN;
137 extern BOOL dibdrv_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
138 extern HBRUSH dibdrv_SelectBrush( PHYSDEV dev, HBRUSH hbrush, HBITMAP bitmap,
139 const BITMAPINFO *info, void *bits, UINT usage ) DECLSPEC_HIDDEN;
140 extern HPEN dibdrv_SelectPen( PHYSDEV dev, HPEN hpen ) DECLSPEC_HIDDEN;
141 extern COLORREF dibdrv_SetDCBrushColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
142 extern COLORREF dibdrv_SetDCPenColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
143 extern COLORREF dibdrv_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color ) DECLSPEC_HIDDEN;
144 extern BOOL dibdrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
145 PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) DECLSPEC_HIDDEN;
147 static inline dibdrv_physdev *get_dibdrv_pdev( PHYSDEV dev )
149 return (dibdrv_physdev *)dev;
154 int err_start, err_add_1, err_add_2, bias;
160 struct stretch_params
162 int err_start, err_add_1, err_add_2;
164 int dst_inc, src_inc;
167 typedef struct primitive_funcs
169 void (* solid_rects)(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor);
170 void (* solid_line)(const dib_info *dib, const POINT *start, const struct line_params *params,
171 DWORD and, DWORD xor);
172 void (* pattern_rects)(const dib_info *dib, int num, const RECT *rc, const POINT *orign,
173 const dib_info *brush, void *and_bits, void *xor_bits);
174 void (* copy_rect)(const dib_info *dst, const RECT *rc, const dib_info *src,
175 const POINT *origin, int rop2, int overlap);
176 void (* blend_rect)(const dib_info *dst, const RECT *rc, const dib_info *src,
177 const POINT *origin, BLENDFUNCTION blend);
178 BOOL (* gradient_rect)(const dib_info *dib, const RECT *rc, const TRIVERTEX *v, int mode);
179 void (* draw_glyph)(const dib_info *dst, const RECT *rc, const dib_info *glyph,
180 const POINT *origin, DWORD text_pixel, const struct intensity_range *ranges);
181 DWORD (* get_pixel)(const dib_info *dib, const POINT *pt);
182 DWORD (* colorref_to_pixel)(const dib_info *dib, COLORREF color);
183 COLORREF (* pixel_to_colorref)(const dib_info *dib, DWORD pixel);
184 void (* convert_to)(dib_info *dst, const dib_info *src, const RECT *src_rect);
185 BOOL (* create_rop_masks)(const dib_info *dib, const dib_info *hatch,
186 const rop_mask *fg, const rop_mask *bg, rop_mask_bits *bits);
187 void (* stretch_row)(const dib_info *dst_dib, const POINT *dst_start,
188 const dib_info *src_dib, const POINT *src_start,
189 const struct stretch_params *params, int mode, BOOL keep_dst);
190 void (* shrink_row)(const dib_info *dst_dib, const POINT *dst_start,
191 const dib_info *src_dib, const POINT *src_start,
192 const struct stretch_params *params, int mode, BOOL keep_dst);
195 extern const primitive_funcs funcs_8888 DECLSPEC_HIDDEN;
196 extern const primitive_funcs funcs_32 DECLSPEC_HIDDEN;
197 extern const primitive_funcs funcs_24 DECLSPEC_HIDDEN;
198 extern const primitive_funcs funcs_555 DECLSPEC_HIDDEN;
199 extern const primitive_funcs funcs_16 DECLSPEC_HIDDEN;
200 extern const primitive_funcs funcs_8 DECLSPEC_HIDDEN;
201 extern const primitive_funcs funcs_4 DECLSPEC_HIDDEN;
202 extern const primitive_funcs funcs_1 DECLSPEC_HIDDEN;
203 extern const primitive_funcs funcs_null DECLSPEC_HIDDEN;
207 DWORD a1, a2, x1, x2;
210 #define OVERLAP_LEFT 0x01 /* dest starts left of source */
211 #define OVERLAP_RIGHT 0x02 /* dest starts right of source */
212 #define OVERLAP_ABOVE 0x04 /* dest starts above source */
213 #define OVERLAP_BELOW 0x08 /* dest starts below source */
222 extern void get_rop_codes(INT rop, struct rop_codes *codes) DECLSPEC_HIDDEN;
223 extern void calc_and_xor_masks(INT rop, DWORD color, DWORD *and, DWORD *xor) DECLSPEC_HIDDEN;
224 extern void update_brush_rop( dibdrv_physdev *pdev, INT rop ) DECLSPEC_HIDDEN;
225 extern void reset_dash_origin(dibdrv_physdev *pdev) DECLSPEC_HIDDEN;
226 extern void init_dib_info_from_bitmapinfo(dib_info *dib, const BITMAPINFO *info, void *bits, enum dib_info_flags flags) DECLSPEC_HIDDEN;
227 extern BOOL init_dib_info_from_bitmapobj(dib_info *dib, BITMAPOBJ *bmp, enum dib_info_flags flags) DECLSPEC_HIDDEN;
228 extern void free_dib_info(dib_info *dib) DECLSPEC_HIDDEN;
229 extern void free_pattern_brush(dibdrv_physdev *pdev) DECLSPEC_HIDDEN;
230 extern void copy_dib_color_info(dib_info *dst, const dib_info *src) DECLSPEC_HIDDEN;
231 extern BOOL convert_dib(dib_info *dst, const dib_info *src) DECLSPEC_HIDDEN;
232 extern COLORREF make_rgb_colorref( HDC hdc, dib_info *dib, COLORREF color, BOOL *got_pixel, DWORD *pixel ) DECLSPEC_HIDDEN;
233 extern DWORD get_pixel_color(dibdrv_physdev *pdev, COLORREF color, BOOL mono_fixup) DECLSPEC_HIDDEN;
234 extern BOOL brush_rects( dibdrv_physdev *pdev, int num, const RECT *rects ) DECLSPEC_HIDDEN;
235 extern void solid_rects( dib_info *dib, int num, const RECT *rects, const rop_mask *color, HRGN region ) DECLSPEC_HIDDEN;
236 extern HRGN add_extra_clipping_region( dibdrv_physdev *pdev, HRGN rgn ) DECLSPEC_HIDDEN;
237 extern void restore_clipping_region( dibdrv_physdev *pdev, HRGN rgn ) DECLSPEC_HIDDEN;
238 extern int clip_line(const POINT *start, const POINT *end, const RECT *clip,
239 const bres_params *params, POINT *pt1, POINT *pt2) DECLSPEC_HIDDEN;
240 extern void update_aa_ranges( dibdrv_physdev *pdev ) DECLSPEC_HIDDEN;
242 /* compute the x coordinate corresponding to y on the specified edge */
243 static inline int edge_coord( int y, int x1, int y1, int x2, int y2 )
245 if (x2 > x1) /* always follow the edge from right to left to get correct rounding */
246 return x2 + (y - y2) * (x2 - x1) / (y2 - y1);
248 return x1 + (y - y1) * (x2 - x1) / (y2 - y1);
251 static inline BOOL defer_pen(dibdrv_physdev *pdev)
253 return pdev->defer & DEFER_PEN;