dlls/gdi32/dibdrv/dibdrv.h

   1 /*
   2  * DIB driver include file.
   3  *
   4  * Copyright 2011 Huw Davies
   5  *
   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.
  10  *
  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.
  15  *
  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
  19  */
  20
  21 enum dib_info_flags
  22 {
  23     private_color_table = 1
  24 };
  25
  26 typedef struct
  27 {
  28     int bit_count, width, height;
  29     int stride; /* stride in bytes.  Will be -ve for bottom-up dibs (see bits). */
  30     struct gdi_image_bits bits; /* bits.ptr points to the top-left corner of the dib. */
  31
  32     DWORD red_mask, green_mask, blue_mask;
  33     int red_shift, green_shift, blue_shift;
  34     int red_len, green_len, blue_len;
  35
  36     RGBQUAD *color_table;
  37     DWORD color_table_size;
  38
  39     enum dib_info_flags flags;
  40
  41     const struct primitive_funcs *funcs;
  42 } dib_info;
  43
  44 typedef struct
  45 {
  46     DWORD count;
  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 */
  49 } dash_pattern;
  50
  51 typedef struct
  52 {
  53     int left_in_dash;
  54     int cur_dash;
  55     BOOL mark;
  56 } dash_pos;
  57
  58 typedef struct
  59 {
  60     DWORD and;
  61     DWORD xor;
  62 } rop_mask;
  63
  64 typedef struct
  65 {
  66     void *and;
  67     void *xor;
  68 } rop_mask_bits;
  69
  70 typedef struct dibdrv_physdev
  71 {
  72     struct gdi_physdev dev;
  73     dib_info dib;
  74
  75     HRGN clip;
  76     DWORD defer;
  77
  78     /* pen */
  79     COLORREF pen_colorref;
  80     DWORD pen_color, pen_and, pen_xor;
  81     dash_pattern pen_pattern;
  82     dash_pos dash_pos;
  83     BOOL   (* pen_lines)(struct dibdrv_physdev *pdev, int num, POINT *pts);
  84
  85     /* brush */
  86     UINT brush_style;
  87     UINT brush_hatch;
  88     INT brush_rop;   /* PatBlt, for example, can override the DC's rop2 */
  89     COLORREF brush_colorref;
  90     DWORD brush_color, brush_and, brush_xor;
  91     dib_info brush_dib;
  92     void *brush_and_bits, *brush_xor_bits;
  93     BOOL   (* brush_rects)(struct dibdrv_physdev *pdev, dib_info *dib, int num, const RECT *rects, HRGN clip);
  94
  95     /* background */
  96     DWORD bkgnd_color, bkgnd_and, bkgnd_xor;
  97 } dibdrv_physdev;
  98
  99 #define DEFER_FORMAT     1
 100 #define DEFER_PEN        2
 101 #define DEFER_BRUSH      4
 102
 103 extern DWORD    dibdrv_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info,
 104                                  struct gdi_image_bits *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
 105 extern BOOL     dibdrv_LineTo( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
 106 extern BOOL     dibdrv_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop ) DECLSPEC_HIDDEN;
 107 extern BOOL     dibdrv_PaintRgn( PHYSDEV dev, HRGN hrgn ) DECLSPEC_HIDDEN;
 108 extern BOOL     dibdrv_PolyPolyline( PHYSDEV dev, const POINT* pt, const DWORD* counts,
 109                                      DWORD polylines ) DECLSPEC_HIDDEN;
 110 extern BOOL     dibdrv_Polyline( PHYSDEV dev, const POINT* pt, INT count ) DECLSPEC_HIDDEN;
 111 extern DWORD    dibdrv_PutImage( PHYSDEV dev, HBITMAP hbitmap, HRGN clip, BITMAPINFO *info,
 112                                  const struct gdi_image_bits *bits, struct bitblt_coords *src,
 113                                  struct bitblt_coords *dst, DWORD rop ) DECLSPEC_HIDDEN;
 114 extern BOOL     dibdrv_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
 115 extern HBRUSH   dibdrv_SelectBrush( PHYSDEV dev, HBRUSH hbrush ) DECLSPEC_HIDDEN;
 116 extern HPEN     dibdrv_SelectPen( PHYSDEV dev, HPEN hpen ) DECLSPEC_HIDDEN;
 117 extern COLORREF dibdrv_SetDCBrushColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
 118 extern COLORREF dibdrv_SetDCPenColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
 119 extern BOOL     dibdrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
 120                                    PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) DECLSPEC_HIDDEN;
 121
 122 static inline dibdrv_physdev *get_dibdrv_pdev( PHYSDEV dev )
 123 {
 124     return (dibdrv_physdev *)dev;
 125 }
 126
 127 struct stretch_params
 128 {
 129     int err_start, err_add_1, err_add_2;
 130     unsigned int length;
 131     int dst_inc, src_inc;
 132 };
 133
 134 typedef struct primitive_funcs
 135 {
 136     void            (* solid_rects)(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor);
 137     void          (* pattern_rects)(const dib_info *dib, int num, const RECT *rc, const POINT *orign,
 138                                     const dib_info *brush, void *and_bits, void *xor_bits);
 139     void              (* copy_rect)(const dib_info *dst, const RECT *rc, const dib_info *src,
 140                                     const POINT *origin, int rop2, int overlap);
 141     DWORD     (* colorref_to_pixel)(const dib_info *dib, COLORREF color);
 142     BOOL             (* convert_to)(dib_info *dst, const dib_info *src, const RECT *src_rect);
 143     BOOL       (* create_rop_masks)(const dib_info *dib, const dib_info *hatch,
 144                                     const rop_mask *fg, const rop_mask *bg, rop_mask_bits *bits);
 145     void            (* stretch_row)(const dib_info *dst_dib, const POINT *dst_start,
 146                                     const dib_info *src_dib, const POINT *src_start,
 147                                     const struct stretch_params *params, int mode, BOOL keep_dst);
 148     void             (* shrink_row)(const dib_info *dst_dib, const POINT *dst_start,
 149                                     const dib_info *src_dib, const POINT *src_start,
 150                                     const struct stretch_params *params, int mode, BOOL keep_dst);
 151 } primitive_funcs;
 152
 153 extern const primitive_funcs funcs_8888 DECLSPEC_HIDDEN;
 154 extern const primitive_funcs funcs_32   DECLSPEC_HIDDEN;
 155 extern const primitive_funcs funcs_24   DECLSPEC_HIDDEN;
 156 extern const primitive_funcs funcs_555  DECLSPEC_HIDDEN;
 157 extern const primitive_funcs funcs_16   DECLSPEC_HIDDEN;
 158 extern const primitive_funcs funcs_8    DECLSPEC_HIDDEN;
 159 extern const primitive_funcs funcs_4    DECLSPEC_HIDDEN;
 160 extern const primitive_funcs funcs_1    DECLSPEC_HIDDEN;
 161 extern const primitive_funcs funcs_null DECLSPEC_HIDDEN;
 162
 163 struct rop_codes
 164 {
 165     DWORD a1, a2, x1, x2;
 166 };
 167
 168 #define OVERLAP_LEFT  0x01  /* dest starts left of source */
 169 #define OVERLAP_RIGHT 0x02  /* dest starts right of source */
 170 #define OVERLAP_ABOVE 0x04  /* dest starts above source */
 171 #define OVERLAP_BELOW 0x08  /* dest starts below source */
 172
 173 typedef struct
 174 {
 175     unsigned int dx, dy;
 176     int bias;
 177     DWORD octant;
 178 } bres_params;
 179
 180 extern void get_rop_codes(INT rop, struct rop_codes *codes) DECLSPEC_HIDDEN;
 181 extern void calc_and_xor_masks(INT rop, DWORD color, DWORD *and, DWORD *xor) DECLSPEC_HIDDEN;
 182 extern void update_brush_rop( dibdrv_physdev *pdev, INT rop ) DECLSPEC_HIDDEN;
 183 extern void reset_dash_origin(dibdrv_physdev *pdev) DECLSPEC_HIDDEN;
 184 extern BOOL init_dib_info(dib_info *dib, const BITMAPINFOHEADER *bi, const DWORD *bit_fields,
 185                           RGBQUAD *color_table, int color_table_size, void *bits,
 186                           enum dib_info_flags flags) DECLSPEC_HIDDEN;
 187 extern BOOL init_dib_info_from_packed(dib_info *dib, const BITMAPINFOHEADER *bi, WORD usage, HPALETTE pal) DECLSPEC_HIDDEN;
 188 extern BOOL init_dib_info_from_bitmapinfo(dib_info *dib, const BITMAPINFO *info, void *bits,
 189                                           enum dib_info_flags flags) DECLSPEC_HIDDEN;
 190 extern BOOL init_dib_info_from_bitmapobj(dib_info *dib, BITMAPOBJ *bmp, enum dib_info_flags flags) DECLSPEC_HIDDEN;
 191 extern void free_dib_info(dib_info *dib) DECLSPEC_HIDDEN;
 192 extern void free_pattern_brush(dibdrv_physdev *pdev) DECLSPEC_HIDDEN;
 193 extern void copy_dib_color_info(dib_info *dst, const dib_info *src) DECLSPEC_HIDDEN;
 194 extern BOOL convert_dib(dib_info *dst, const dib_info *src) DECLSPEC_HIDDEN;
 195 extern DWORD get_fg_color(dibdrv_physdev *pdev, COLORREF color) DECLSPEC_HIDDEN;
 196 extern BOOL brush_rects( dibdrv_physdev *pdev, int num, const RECT *rects ) DECLSPEC_HIDDEN;
 197 extern HRGN add_extra_clipping_region( dibdrv_physdev *pdev, HRGN rgn ) DECLSPEC_HIDDEN;
 198 extern void restore_clipping_region( dibdrv_physdev *pdev, HRGN rgn ) DECLSPEC_HIDDEN;
 199 extern int clip_line(const POINT *start, const POINT *end, const RECT *clip,
 200                      const bres_params *params, POINT *pt1, POINT *pt2) DECLSPEC_HIDDEN;
 201
 202 static inline BOOL defer_pen(dibdrv_physdev *pdev)
 203 {
 204     return pdev->defer & (DEFER_FORMAT | DEFER_PEN);
 205 }
 206
 207 static inline BOOL defer_brush(dibdrv_physdev *pdev)
 208 {
 209     return pdev->defer & (DEFER_FORMAT | DEFER_BRUSH);
 210 }