123 lines
3.8 KiB
C
123 lines
3.8 KiB
C
#ifndef BITMAP_H
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#define BITMAP_H
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#include <c64/types.h>
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struct Bitmap
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{
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char * data, * rdata;
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char cwidth;
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char cheight;
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unsigned width;
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};
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struct ClipRect
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{
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int left, top, right, bottom;
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};
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#define BLIT_OP 0x03
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#define BLIT_AND 0x01
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#define BLIT_ORA 0x02
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#define BLIT_EOR 0x03
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#define BLIT_IMM 0x04
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#define BLIT_SRC 0x08
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#define BLIT_DST 0x10
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#define BLIT_PATTERN 0x20
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#define BLIT_INVERT 0x40
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enum BlitOp
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{
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BLTOP_SET = BLIT_IMM | BLIT_INVERT,
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BLTOP_RESET = BLIT_IMM,
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BLTOP_NOT = BLIT_DST | BLIT_IMM | BLIT_INVERT | BLIT_EOR,
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BLTOP_XOR = BLIT_SRC | BLIT_DST | BLIT_EOR,
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BLTOP_OR = BLIT_SRC | BLIT_DST | BLIT_ORA,
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BLTOP_AND = BLIT_SRC | BLIT_DST | BLIT_AND,
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BLTOP_AND_NOT = BLIT_SRC | BLIT_DST | BLIT_INVERT | BLIT_AND,
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BLTOP_COPY = BLIT_SRC,
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BLTOP_NCOPY = BLIT_SRC | BLIT_INVERT,
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BLTOP_PATTERN = BLIT_PATTERN,
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BLTOP_PATTERN_AND_SRC = BLIT_SRC | BLIT_PATTERN | BLIT_AND
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};
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extern char NineShadesOfGrey[9][8];
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void bm_init(Bitmap * bm, char * data, char cw, char ch);
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void bm_alloc(Bitmap * bm, char cw, char ch);
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void bm_free(Bitmap * bm);
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void bm_fill(Bitmap * bm, char data);
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void bm_scan_fill(int left, int right, char * lp, int x0, int x1, char pat);
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void bm_circle_fill(Bitmap * bm, ClipRect * clip, int x, int y, char r, const char * pat);
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void bm_trapezoid_fill(Bitmap * bm, ClipRect * clip, long x0, long x1, long dx0, long dx1, int y0, int y1, const char * pat)
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void bm_triangle_fill(Bitmap * bm, ClipRect * clip, int x0, int y0, int x1, int y1, int x2, int y2, const char * pat);
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void bm_quad_fill(Bitmap * bm, ClipRect * clip, int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3, const char * pat);
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void bm_polygon_fill(Bitmap * bm, ClipRect * clip, int * x, int * y, char num, const char * pat);
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void bm_polygon_nc_fill(Bitmap * bm, ClipRect * clip, int * x, int * y, char num, const char * pat);
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inline void bm_set(Bitmap * bm, int x, int y);
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inline void bm_clr(Bitmap * bm, int x, int y);
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inline bool bm_get(Bitmap * bm, int x, int y);
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inline void bm_put(Bitmap * bm, int x, int y, bool c);
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void bm_line(Bitmap * bm, int x0, int y0, int x1, int y1, char pattern);
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void bm_line_clipped(Bitmap * bm, ClipRect * clip, int x0, int y0, int x1, int y1, char pattern);
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void bm_bitblit(Bitmap * dbm, int dx, int dy, Bitmap * sbm, int sx, int sy, int w, int h, const char * pattern, BlitOp op);
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inline void bm_rect_fill(Bitmap * dbm, int dx, int dy, int w, int h);
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inline void bm_rect_clear(Bitmap * dbm, int dx, int dy, int w, int h);
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inline void bm_rect_pattern(Bitmap * dbm, int dx, int dy, int w, int h, const char * pattern);
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inline void bm_rect_copy(Bitmap * dbm, int dx, int dy, Bitmap * sbm, int sx, int sy, int w, int h);
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void bm_bitblit_clipped(Bitmap * dbm, ClipRect * clip, int dx, int dy, Bitmap * sbm, int sx, int sy, int w, int h, const char * pattern, BlitOp op);
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inline void bm_rect_fill_clipped(Bitmap * dbm, ClipRect * clip, int dx, int dy, int w, int h);
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inline void bm_rect_clear_clipped(Bitmap * dbm, ClipRect * clip, int dx, int dy, int w, int h);
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inline void bm_rect_pattern_clipped(Bitmap * dbm, ClipRect * clip, int dx, int dy, int w, int h, const char * pattern);
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inline void bm_rect_copy_clipped(Bitmap * dbm, ClipRect * clip, int dx, int dy, Bitmap * sbm, int sx, int sy, int w, int h);
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int bm_text(Bitmap * bm, const char * str, char len);
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int bm_text_size(const char * str, char len);
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int bm_put_chars(Bitmap * bm, int x, int y, const char * str, char len, BlitOp op);
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int bm_put_chars_clipped(Bitmap * bm, ClipRect * clip, int x, int y, const char * str, char len, BlitOp op);
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int bm_transform(Bitmap * dbm, ClipRect * clip, int dx, int dy, int w, int h, Bitmap * sbm, int sx, int sy, int dxx, int dxy, int dyx, int dyy);
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#pragma compile("bitmap.c")
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#endif
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