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 int bit_count, width, height;
25 RECT rect; /* visible rectangle relative to bitmap origin */
26 int stride; /* stride in bytes. Will be -ve for bottom-up dibs (see bits). */
27 struct gdi_image_bits bits; /* bits.ptr points to the top-left corner of the dib. */
29 DWORD red_mask, green_mask, blue_mask;
30 int red_shift, green_shift, blue_shift;
31 int red_len, green_len, blue_len;
33 const RGBQUAD *color_table;
34 DWORD color_table_size;
36 const struct primitive_funcs *funcs;
42 DWORD dashes[16]; /* 16 is the maximum number for a PS_USERSTYLE pen */
43 DWORD total_len; /* total length of the dashes, should be multiplied by 2 if there are an odd number of dash lengths */
65 struct dibdrv_physdev;
67 typedef struct dib_brush
71 INT rop; /* rop2 last used to create the brush bits */
75 struct brush_pattern pattern;
76 BOOL (*rects)(struct dibdrv_physdev *pdev, struct dib_brush *brush, dib_info *dib,
77 int num, const RECT *rects, INT rop);
80 struct intensity_range
87 typedef struct dibdrv_physdev
89 struct gdi_physdev dev;
97 DWORD pen_style, pen_endcap, pen_join;
98 BOOL pen_uses_region, pen_is_ext;
101 dash_pattern pen_pattern;
103 rop_mask dash_masks[2];
104 BOOL (* pen_lines)(struct dibdrv_physdev *pdev, int num, POINT *pts, BOOL close, HRGN region);
107 extern BOOL dibdrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
108 PHYSDEV src_dev, struct bitblt_coords *src, BLENDFUNCTION blend ) DECLSPEC_HIDDEN;
109 extern BOOL dibdrv_Arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
110 INT start_x, INT start_y, INT end_x, INT end_y ) DECLSPEC_HIDDEN;
111 extern BOOL dibdrv_ArcTo( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
112 INT start_x, INT start_y, INT end_x, INT end_y ) DECLSPEC_HIDDEN;
113 extern DWORD dibdrv_BlendImage( PHYSDEV dev, BITMAPINFO *info, const struct gdi_image_bits *bits,
114 struct bitblt_coords *src, struct bitblt_coords *dst, BLENDFUNCTION func ) DECLSPEC_HIDDEN;
115 extern BOOL dibdrv_Chord( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
116 INT start_x, INT start_y, INT end_x, INT end_y ) DECLSPEC_HIDDEN;
117 extern BOOL dibdrv_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
118 extern BOOL dibdrv_ExtFloodFill( PHYSDEV dev, INT x, INT y, COLORREF color, UINT type ) DECLSPEC_HIDDEN;
119 extern BOOL dibdrv_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags,
120 const RECT *rect, LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
121 extern DWORD dibdrv_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info,
122 struct gdi_image_bits *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
123 extern COLORREF dibdrv_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
124 extern COLORREF dibdrv_GetPixel( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
125 extern BOOL dibdrv_GradientFill( PHYSDEV dev, TRIVERTEX *vert_array, ULONG nvert,
126 void *grad_array, ULONG ngrad, ULONG mode ) DECLSPEC_HIDDEN;
127 extern BOOL dibdrv_LineTo( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
128 extern BOOL dibdrv_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop ) DECLSPEC_HIDDEN;
129 extern BOOL dibdrv_PaintRgn( PHYSDEV dev, HRGN hrgn ) DECLSPEC_HIDDEN;
130 extern BOOL dibdrv_Pie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
131 INT start_x, INT start_y, INT end_x, INT end_y ) DECLSPEC_HIDDEN;
132 extern BOOL dibdrv_PolyPolygon( PHYSDEV dev, const POINT *pt, const INT *counts, DWORD polygons ) DECLSPEC_HIDDEN;
133 extern BOOL dibdrv_PolyPolyline( PHYSDEV dev, const POINT* pt, const DWORD* counts,
134 DWORD polylines ) DECLSPEC_HIDDEN;
135 extern BOOL dibdrv_Polygon( PHYSDEV dev, const POINT *pt, INT count ) DECLSPEC_HIDDEN;
136 extern BOOL dibdrv_Polyline( PHYSDEV dev, const POINT* pt, INT count ) DECLSPEC_HIDDEN;
137 extern DWORD dibdrv_PutImage( PHYSDEV dev, HBITMAP hbitmap, HRGN clip, BITMAPINFO *info,
138 const struct gdi_image_bits *bits, struct bitblt_coords *src,
139 struct bitblt_coords *dst, DWORD rop ) DECLSPEC_HIDDEN;
140 extern BOOL dibdrv_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
141 extern BOOL dibdrv_RoundRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
142 INT ellipse_width, INT ellipse_height ) DECLSPEC_HIDDEN;
143 extern HBRUSH dibdrv_SelectBrush( PHYSDEV dev, HBRUSH hbrush, const struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
144 extern HPEN dibdrv_SelectPen( PHYSDEV dev, HPEN hpen, const struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
145 extern COLORREF dibdrv_SetDCBrushColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
146 extern COLORREF dibdrv_SetDCPenColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
147 extern COLORREF dibdrv_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color ) DECLSPEC_HIDDEN;
148 extern BOOL dibdrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
149 PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) DECLSPEC_HIDDEN;
151 static inline dibdrv_physdev *get_dibdrv_pdev( PHYSDEV dev )
153 return (dibdrv_physdev *)dev;
158 int err_start, err_add_1, err_add_2, bias;
164 struct stretch_params
166 int err_start, err_add_1, err_add_2;
168 int dst_inc, src_inc;
171 typedef struct primitive_funcs
173 void (* solid_rects)(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor);
174 void (* solid_line)(const dib_info *dib, const POINT *start, const struct line_params *params,
175 DWORD and, DWORD xor);
176 void (* pattern_rects)(const dib_info *dib, int num, const RECT *rc, const POINT *orign,
177 const dib_info *brush, const rop_mask_bits *bits);
178 void (* copy_rect)(const dib_info *dst, const RECT *rc, const dib_info *src,
179 const POINT *origin, int rop2, int overlap);
180 void (* blend_rect)(const dib_info *dst, const RECT *rc, const dib_info *src,
181 const POINT *origin, BLENDFUNCTION blend);
182 BOOL (* gradient_rect)(const dib_info *dib, const RECT *rc, const TRIVERTEX *v, int mode);
183 void (* draw_glyph)(const dib_info *dst, const RECT *rc, const dib_info *glyph,
184 const POINT *origin, DWORD text_pixel, const struct intensity_range *ranges);
185 DWORD (* get_pixel)(const dib_info *dib, int x, int y);
186 DWORD (* colorref_to_pixel)(const dib_info *dib, COLORREF color);
187 COLORREF (* pixel_to_colorref)(const dib_info *dib, DWORD pixel);
188 void (* convert_to)(dib_info *dst, const dib_info *src, const RECT *src_rect, BOOL dither);
189 void (* create_rop_masks)(const dib_info *dib, const BYTE *hatch_ptr,
190 const rop_mask *fg, const rop_mask *bg, rop_mask_bits *bits);
191 void (* stretch_row)(const dib_info *dst_dib, const POINT *dst_start,
192 const dib_info *src_dib, const POINT *src_start,
193 const struct stretch_params *params, int mode, BOOL keep_dst);
194 void (* shrink_row)(const dib_info *dst_dib, const POINT *dst_start,
195 const dib_info *src_dib, const POINT *src_start,
196 const struct stretch_params *params, int mode, BOOL keep_dst);
199 extern const primitive_funcs funcs_8888 DECLSPEC_HIDDEN;
200 extern const primitive_funcs funcs_32 DECLSPEC_HIDDEN;
201 extern const primitive_funcs funcs_24 DECLSPEC_HIDDEN;
202 extern const primitive_funcs funcs_555 DECLSPEC_HIDDEN;
203 extern const primitive_funcs funcs_16 DECLSPEC_HIDDEN;
204 extern const primitive_funcs funcs_8 DECLSPEC_HIDDEN;
205 extern const primitive_funcs funcs_4 DECLSPEC_HIDDEN;
206 extern const primitive_funcs funcs_1 DECLSPEC_HIDDEN;
207 extern const primitive_funcs funcs_null DECLSPEC_HIDDEN;
211 DWORD a1, a2, x1, x2;
214 #define OVERLAP_LEFT 0x01 /* dest starts left of source */
215 #define OVERLAP_RIGHT 0x02 /* dest starts right of source */
216 #define OVERLAP_ABOVE 0x04 /* dest starts above source */
217 #define OVERLAP_BELOW 0x08 /* dest starts below source */
233 extern void get_rop_codes(INT rop, struct rop_codes *codes) DECLSPEC_HIDDEN;
234 extern void reset_dash_origin(dibdrv_physdev *pdev) DECLSPEC_HIDDEN;
235 extern void init_dib_info_from_bitmapinfo(dib_info *dib, const BITMAPINFO *info, void *bits) DECLSPEC_HIDDEN;
236 extern BOOL init_dib_info_from_bitmapobj(dib_info *dib, BITMAPOBJ *bmp) DECLSPEC_HIDDEN;
237 extern void free_dib_info(dib_info *dib) DECLSPEC_HIDDEN;
238 extern void free_pattern_brush(dib_brush *brush) DECLSPEC_HIDDEN;
239 extern void copy_dib_color_info(dib_info *dst, const dib_info *src) DECLSPEC_HIDDEN;
240 extern BOOL convert_dib(dib_info *dst, const dib_info *src) DECLSPEC_HIDDEN;
241 extern COLORREF make_rgb_colorref( HDC hdc, dib_info *dib, COLORREF color, BOOL *got_pixel, DWORD *pixel ) DECLSPEC_HIDDEN;
242 extern DWORD get_pixel_color(dibdrv_physdev *pdev, COLORREF color, BOOL mono_fixup) DECLSPEC_HIDDEN;
243 extern BOOL brush_rect( dibdrv_physdev *pdev, dib_brush *brush, const RECT *rect, HRGN clip, INT rop ) DECLSPEC_HIDDEN;
244 extern int get_clipped_rects( const dib_info *dib, const RECT *rc, HRGN clip, struct clipped_rects *clip_rects ) DECLSPEC_HIDDEN;
245 extern void add_clipped_bounds( dibdrv_physdev *dev, const RECT *rect, HRGN clip ) DECLSPEC_HIDDEN;
246 extern int clip_line(const POINT *start, const POINT *end, const RECT *clip,
247 const bres_params *params, POINT *pt1, POINT *pt2) DECLSPEC_HIDDEN;
249 static inline void init_clipped_rects( struct clipped_rects *clip_rects )
251 clip_rects->count = 0;
252 clip_rects->rects = clip_rects->buffer;
255 static inline void free_clipped_rects( struct clipped_rects *clip_rects )
257 if (clip_rects->rects != clip_rects->buffer) HeapFree( GetProcessHeap(), 0, clip_rects->rects );
260 /* compute the x coordinate corresponding to y on the specified edge */
261 static inline int edge_coord( int y, int x1, int y1, int x2, int y2 )
263 if (x2 > x1) /* always follow the edge from right to left to get correct rounding */
264 return x2 + (y - y2) * (x2 - x1) / (y2 - y1);
266 return x1 + (y - y1) * (x2 - x1) / (y2 - y1);
269 static inline const RGBQUAD *get_dib_color_table( const dib_info *dib )
271 return dib->color_table ? dib->color_table : get_default_color_table( dib->bit_count );