103 lines
1.9 KiB
C
103 lines
1.9 KiB
C
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#ifndef FTGRAYS2_H
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#define FTGRAYS2_H
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typedef int TScan;
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typedef long TPos;
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typedef float TDist;
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#define FT_MAX_GRAY_SPANS 32
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typedef struct FT_GraySpan_
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{
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short x;
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short len;
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unsigned char coverage;
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} FT_GraySpan;
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typedef int (*FT_GraySpan_Func)( int y,
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int count,
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FT_GraySpan* spans,
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void* user );
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typedef enum {
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dir_up = 0,
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dir_down = 1,
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dir_right = 2,
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dir_left = 3,
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dir_horizontal = 2,
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dir_reverse = 1,
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dir_unknown = 4
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} TDir;
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typedef struct TCell_
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{
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unsigned short x;
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unsigned short y;
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unsigned short pos;
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TDir dir;
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} TCell, *PCell;
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typedef struct TRaster_
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{
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PCell cells;
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PCell cursor;
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PCell cell_limit;
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int max_cells;
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int num_cells;
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TScan min_ex, max_ex;
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TScan min_ey, max_ey;
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TPos min_x, min_y;
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TPos max_x, max_y;
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TScan ex, ey;
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TScan cx, cy;
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TPos x, y;
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PCell contour_cell; /* first contour cell */
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char joint;
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char horizontal;
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TDir dir;
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PCell last;
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FT_Vector starter;
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FT_Vector* start;
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int error;
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FT_Vector bez_stack[32*3];
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int lev_stack[32];
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FT_Outline outline;
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FT_Bitmap target;
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FT_GraySpan gray_spans[ FT_MAX_GRAY_SPANS ];
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int num_gray_spans;
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FT_GraySpan_Func render_span;
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void* render_span_closure;
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int span_y;
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} TRaster, *PRaster;
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extern
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int grays2_raster_render( TRaster* raster,
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FT_Outline* outline,
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FT_Bitmap* target_map );
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extern
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int grays2_raster_init( FT_Raster raster,
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const char* pool_base,
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long pool_size );
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#endif
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