gd_span_rle.h

#ifndef GD_SPAN_RLE_H
#define GD_SPAN_RLE_H
 
#include "gd_vector2d_private.h"
 
#define _rle_spans_init(rle_s)                                                                     \
    do {                                                                                           \
        rle_s.data = NULL;                                                                         \
        rle_s.size = 0;                                                                            \
        rle_s.capacity = 0;                                                                        \
    } while (0)
 
#define _rle_spans_allocate(rle_s, count)                                                          \
    do {                                                                                           \
        if (rle_s.size + count > rle_s.capacity) {                                                 \
            int capacity = rle_s.size + count;                                                     \
            int newcapacity = rle_s.capacity == 0 ? 8 : rle_s.capacity;                            \
            while (newcapacity < capacity) {                                                       \
                newcapacity *= 2;                                                                  \
            }                                                                                      \
            rle_s.data = gdRealloc(rle_s.data, (size_t)newcapacity * sizeof(rle_s.data[0]));       \
            rle_s.capacity = newcapacity;                                                          \
        }                                                                                          \
    } while (0)
 
gdSpanRlePtr gdSpanRleCreate();
gdSpanRlePtr gdSpanRleRetain(gdSpanRlePtr rle);
void gdSpanRleDestroy(gdSpanRlePtr rle);
void gdSpanRleClear(gdSpanRlePtr rle);
void gdSpanRleRasterize(gdSpanRlePtr rle, const gdPathPtr path, const gdPathMatrixPtr matrix,
                        const gdRectFPtr clip, const gdStrokePtr stroke, gdFillRule winding);
void gdSpanRlePathClip(gdSpanRlePtr rle, const gdSpanRlePtr clip);
gdSpanRlePtr gdSpanRleClone(gdSpanRlePtr rle);
gdSpanRlePtr gdSpanHorizontalClip(const gdSpanRlePtr a, const gdSpanRlePtr b);
#endif // GD_SPAN_RLE_H