80 static void eval_sheet(const SkPoint edge[], int nu, int nv, int iu, int iv,  in eval_sheet()  argument
83     const int TR = nu;  in eval_sheet()
85     const int BL = BR + nu;  in eval_sheet()
87     SkScalar u = SkIntToScalar(iu) / nu;  in eval_sheet()
99                  v * edge[BR+nu-iu].fX + (1 - u) * edge[BL+nv-iv].fX - x0;  in eval_sheet()
101                  v * edge[BR+nu-iu].fY + (1 - u) * edge[BL+nv-iv].fY - y0;  in eval_sheet()
109 void Patch::draw(SkCanvas* canvas, const SkPaint& paint, int nu, int nv,  in draw()  argument
111     if (nu < 1 || nv < 1) {  in draw()
115     int i, npts = (nu + nv) * 2;  in draw()
118     SkPoint* edge1 = edge0 + nu;  in draw()
120     SkPoint* edge3 = edge2 + nu;  in draw()
123     eval_patch_edge(fPts + 0, edge0, nu);  in draw()
125     eval_patch_edge(fPts + 6, edge2, nu);  in draw()
133     int row, vertCount = (nu + 1) * (nv + 1);  in draw()
138     memcpy(verts, edge0, (nu + 1) * sizeof(SkPoint));  in draw()
142         r += nu + 1;  in draw()
144         for (int col = 1; col < nu; col++) {  in draw()
145             eval_sheet(edge0, nu, nv, col, row, &r[col]);  in draw()
147         r[nu] = edge1[row];  in draw()
150     SkPoint* last = verts + nv * (nu + 1);  in draw()
151     for (i = 0; i <= nu; i++) {  in draw()
152         last[i] = edge2[nu - i];  in draw()
157     int stripCount = (nu + 1) * 2;  in draw()
164     const SkScalar ds = SK_Scalar1 * fW / nu;  in draw()
169         SkPoint* lower = r + nu + 1;  in draw()
172         for (i = 0; i <= nu; i++)  {  in draw()
189 static void drawpatches(SkCanvas* canvas, const SkPaint& paint, int nu, int nv,  in drawpatches()  argument
193     patch->draw(canvas, paint, nu, nv, false, false);  in drawpatches()
195     patch->draw(canvas, paint, nu, nv, true, false);  in drawpatches()
197     patch->draw(canvas, paint, nu, nv, false, true);  in drawpatches()
199     patch->draw(canvas, paint, nu, nv, true, true);  in drawpatches()
249         const int nu = 10;  in onDrawContent()  local
270         drawpatches(canvas, paint, nu, nv, &patch);  in onDrawContent()
292         drawpatches(canvas, paint, nu, nv, &patch);  in onDrawContent()