37     /// Blit a horizontal run of antialiased pixels; runs[] is a *sparse*
39     /// The runs[] and antialias[] work together to represent long runs of pixels with the same
40     /// alphas. The runs[] contains the number of pixels with the same alpha, and antialias[]
41     /// contain the coverage value for that number of pixels. The runs[] (and antialias[]) are
42     /// encoded in a clever way. The runs array is zero terminated, and has enough entries for
44     /// in the runs array contains the number of pixels (np) that have the same alpha value. The
45     /// next np value is found np entries away. For example, if runs[0] = 7, then the next valid
46     /// entry will by at runs[7]. The runs array and antialias[] are coupled by index. So, if the
47     /// np entry is at runs[45] = 12 then the alpha value can be found at antialias[45] = 0x88.
49     virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]) = 0;
77         int16_t runs[3];  in blitAntiH2()  local
80         runs[0] = 1;  in blitAntiH2()
81         runs[1] = 1;  in blitAntiH2()
82         runs[2] = 0;  in blitAntiH2()
85         this->blitAntiH(x, y, aa, runs);  in blitAntiH2()
90         int16_t runs[2];  in blitAntiV2()  local
93         runs[0] = 1;  in blitAntiV2()
94         runs[1] = 0;  in blitAntiV2()
96         this->blitAntiH(x, y, aa, runs);  in blitAntiV2()
97         // reset in case the clipping blitter modified runs  in blitAntiV2()
98         runs[0] = 1;  in blitAntiV2()
99         runs[1] = 0;  in blitAntiV2()
101         this->blitAntiH(x, y + 1, aa, runs);  in blitAntiV2()
164     void blitAntiH(int x, int y, const SkAlpha[], const int16_t runs[]) override;
185     void blitAntiH(int x, int y, const SkAlpha[], const int16_t runs[]) override;
219     void blitAntiH(int x, int y, const SkAlpha[], const int16_t runs[]) override;
251     void blitAntiH(int x, int y, const SkAlpha[], const int16_t runs[]) override;