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