225 lines
9.7 KiB
C
225 lines
9.7 KiB
C
/*
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* DIB driver include file.
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*
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* Copyright 2011 Huw Davies
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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enum dib_info_flags
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{
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private_color_table = 1
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};
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typedef struct
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{
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int bit_count, width, height;
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int stride; /* stride in bytes. Will be -ve for bottom-up dibs (see bits). */
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struct gdi_image_bits bits; /* bits.ptr points to the top-left corner of the dib. */
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DWORD red_mask, green_mask, blue_mask;
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int red_shift, green_shift, blue_shift;
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int red_len, green_len, blue_len;
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RGBQUAD *color_table;
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DWORD color_table_size;
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enum dib_info_flags flags;
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const struct primitive_funcs *funcs;
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} dib_info;
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typedef struct
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{
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DWORD count;
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DWORD dashes[16]; /* 16 is the maximum number for a PS_USERSTYLE pen */
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DWORD total_len; /* total length of the dashes, should be multiplied by 2 if there are an odd number of dash lengths */
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} dash_pattern;
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typedef struct
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{
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int left_in_dash;
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int cur_dash;
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BOOL mark;
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} dash_pos;
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typedef struct
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{
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DWORD and;
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DWORD xor;
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} rop_mask;
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typedef struct
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{
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void *and;
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void *xor;
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} rop_mask_bits;
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typedef struct dibdrv_physdev
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{
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struct gdi_physdev dev;
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dib_info dib;
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HRGN clip;
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DWORD defer;
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/* pen */
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COLORREF pen_colorref;
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DWORD pen_color, pen_and, pen_xor;
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dash_pattern pen_pattern;
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dash_pos dash_pos;
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BOOL (* pen_lines)(struct dibdrv_physdev *pdev, int num, POINT *pts);
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/* brush */
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UINT brush_style;
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UINT brush_hatch;
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INT brush_rop; /* PatBlt, for example, can override the DC's rop2 */
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COLORREF brush_colorref;
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DWORD brush_color, brush_and, brush_xor;
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dib_info brush_dib;
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void *brush_and_bits, *brush_xor_bits;
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const BITMAPINFO *brush_pattern_info;
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void *brush_pattern_bits;
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UINT brush_pattern_usage;
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BOOL (* brush_rects)(struct dibdrv_physdev *pdev, dib_info *dib, int num, const RECT *rects, HRGN clip);
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/* background */
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DWORD bkgnd_color, bkgnd_and, bkgnd_xor;
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} dibdrv_physdev;
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#define DEFER_FORMAT 1
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#define DEFER_PEN 2
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#define DEFER_BRUSH 4
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extern BOOL dibdrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
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PHYSDEV src_dev, struct bitblt_coords *src, BLENDFUNCTION blend ) DECLSPEC_HIDDEN;
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extern DWORD dibdrv_BlendImage( PHYSDEV dev, BITMAPINFO *info, const struct gdi_image_bits *bits,
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struct bitblt_coords *src, struct bitblt_coords *dst, BLENDFUNCTION func ) DECLSPEC_HIDDEN;
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extern DWORD dibdrv_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info,
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struct gdi_image_bits *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
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extern COLORREF dibdrv_GetPixel( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
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extern BOOL dibdrv_LineTo( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
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extern BOOL dibdrv_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop ) DECLSPEC_HIDDEN;
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extern BOOL dibdrv_PaintRgn( PHYSDEV dev, HRGN hrgn ) DECLSPEC_HIDDEN;
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extern BOOL dibdrv_PolyPolyline( PHYSDEV dev, const POINT* pt, const DWORD* counts,
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DWORD polylines ) DECLSPEC_HIDDEN;
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extern BOOL dibdrv_Polyline( PHYSDEV dev, const POINT* pt, INT count ) DECLSPEC_HIDDEN;
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extern DWORD dibdrv_PutImage( PHYSDEV dev, HBITMAP hbitmap, HRGN clip, BITMAPINFO *info,
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const struct gdi_image_bits *bits, struct bitblt_coords *src,
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struct bitblt_coords *dst, DWORD rop ) DECLSPEC_HIDDEN;
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extern BOOL dibdrv_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
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extern HBRUSH dibdrv_SelectBrush( PHYSDEV dev, HBRUSH hbrush, HBITMAP bitmap,
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const BITMAPINFO *info, void *bits, UINT usage ) DECLSPEC_HIDDEN;
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extern HPEN dibdrv_SelectPen( PHYSDEV dev, HPEN hpen ) DECLSPEC_HIDDEN;
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extern COLORREF dibdrv_SetDCBrushColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
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extern COLORREF dibdrv_SetDCPenColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
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extern COLORREF dibdrv_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color ) DECLSPEC_HIDDEN;
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extern BOOL dibdrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
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PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) DECLSPEC_HIDDEN;
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static inline dibdrv_physdev *get_dibdrv_pdev( PHYSDEV dev )
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{
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return (dibdrv_physdev *)dev;
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}
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struct stretch_params
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{
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int err_start, err_add_1, err_add_2;
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unsigned int length;
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int dst_inc, src_inc;
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};
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typedef struct primitive_funcs
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{
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void (* solid_rects)(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor);
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void (* pattern_rects)(const dib_info *dib, int num, const RECT *rc, const POINT *orign,
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const dib_info *brush, void *and_bits, void *xor_bits);
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void (* copy_rect)(const dib_info *dst, const RECT *rc, const dib_info *src,
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const POINT *origin, int rop2, int overlap);
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void (* blend_rect)(const dib_info *dst, const RECT *rc, const dib_info *src,
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const POINT *origin, BLENDFUNCTION blend);
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DWORD (* get_pixel)(const dib_info *dib, const POINT *pt);
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DWORD (* colorref_to_pixel)(const dib_info *dib, COLORREF color);
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COLORREF (* pixel_to_colorref)(const dib_info *dib, DWORD pixel);
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void (* convert_to)(dib_info *dst, const dib_info *src, const RECT *src_rect);
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BOOL (* create_rop_masks)(const dib_info *dib, const dib_info *hatch,
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const rop_mask *fg, const rop_mask *bg, rop_mask_bits *bits);
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void (* stretch_row)(const dib_info *dst_dib, const POINT *dst_start,
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const dib_info *src_dib, const POINT *src_start,
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const struct stretch_params *params, int mode, BOOL keep_dst);
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void (* shrink_row)(const dib_info *dst_dib, const POINT *dst_start,
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const dib_info *src_dib, const POINT *src_start,
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const struct stretch_params *params, int mode, BOOL keep_dst);
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} primitive_funcs;
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extern const primitive_funcs funcs_8888 DECLSPEC_HIDDEN;
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extern const primitive_funcs funcs_32 DECLSPEC_HIDDEN;
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extern const primitive_funcs funcs_24 DECLSPEC_HIDDEN;
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extern const primitive_funcs funcs_555 DECLSPEC_HIDDEN;
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extern const primitive_funcs funcs_16 DECLSPEC_HIDDEN;
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extern const primitive_funcs funcs_8 DECLSPEC_HIDDEN;
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extern const primitive_funcs funcs_4 DECLSPEC_HIDDEN;
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extern const primitive_funcs funcs_1 DECLSPEC_HIDDEN;
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extern const primitive_funcs funcs_null DECLSPEC_HIDDEN;
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struct rop_codes
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{
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DWORD a1, a2, x1, x2;
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};
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#define OVERLAP_LEFT 0x01 /* dest starts left of source */
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#define OVERLAP_RIGHT 0x02 /* dest starts right of source */
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#define OVERLAP_ABOVE 0x04 /* dest starts above source */
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#define OVERLAP_BELOW 0x08 /* dest starts below source */
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typedef struct
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{
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unsigned int dx, dy;
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int bias;
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DWORD octant;
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} bres_params;
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extern void get_rop_codes(INT rop, struct rop_codes *codes) DECLSPEC_HIDDEN;
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extern void calc_and_xor_masks(INT rop, DWORD color, DWORD *and, DWORD *xor) DECLSPEC_HIDDEN;
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extern void update_brush_rop( dibdrv_physdev *pdev, INT rop ) DECLSPEC_HIDDEN;
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extern void reset_dash_origin(dibdrv_physdev *pdev) DECLSPEC_HIDDEN;
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extern BOOL init_dib_info(dib_info *dib, const BITMAPINFOHEADER *bi, const DWORD *bit_fields,
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RGBQUAD *color_table, int color_table_size, void *bits,
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enum dib_info_flags flags) DECLSPEC_HIDDEN;
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extern BOOL init_dib_info_from_brush(dib_info *dib, const BITMAPINFO *bi, void *bits, UINT usage, HPALETTE pal) DECLSPEC_HIDDEN;
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extern BOOL init_dib_info_from_bitmapinfo(dib_info *dib, const BITMAPINFO *info, void *bits,
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enum dib_info_flags flags) DECLSPEC_HIDDEN;
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extern BOOL init_dib_info_from_bitmapobj(dib_info *dib, BITMAPOBJ *bmp, enum dib_info_flags flags) DECLSPEC_HIDDEN;
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extern void free_dib_info(dib_info *dib) DECLSPEC_HIDDEN;
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extern void free_pattern_brush(dibdrv_physdev *pdev) DECLSPEC_HIDDEN;
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extern void copy_dib_color_info(dib_info *dst, const dib_info *src) DECLSPEC_HIDDEN;
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extern BOOL convert_dib(dib_info *dst, const dib_info *src) DECLSPEC_HIDDEN;
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extern DWORD get_pixel_color(dibdrv_physdev *pdev, COLORREF color, BOOL mono_fixup) DECLSPEC_HIDDEN;
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extern BOOL brush_rects( dibdrv_physdev *pdev, int num, const RECT *rects ) DECLSPEC_HIDDEN;
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extern HRGN add_extra_clipping_region( dibdrv_physdev *pdev, HRGN rgn ) DECLSPEC_HIDDEN;
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extern void restore_clipping_region( dibdrv_physdev *pdev, HRGN rgn ) DECLSPEC_HIDDEN;
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extern int clip_line(const POINT *start, const POINT *end, const RECT *clip,
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const bres_params *params, POINT *pt1, POINT *pt2) DECLSPEC_HIDDEN;
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static inline BOOL defer_pen(dibdrv_physdev *pdev)
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{
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return pdev->defer & (DEFER_FORMAT | DEFER_PEN);
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}
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static inline BOOL defer_brush(dibdrv_physdev *pdev)
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{
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return pdev->defer & (DEFER_FORMAT | DEFER_BRUSH);
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}
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