#if 0 // Disabled until updated to use current API. // Copyright 2019 Google LLC. // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. #include "tools/fiddle/examples.h" // HASH=8b8a4cd8a29d22bb9c5e63b70357bd65 REG_FIDDLE(Point_CrossProduct, 256, 256, false, 0) { void draw(SkCanvas* canvas) { SkPaint paint; paint.setAntiAlias(true); SkVector vectors[][2] = {{{50, 2}, {-14, 20}}, {{0, 50}, {-50, 0}}, {{-20, 25}, {25, -20}}, {{-20, -24}, {-24, -20}}}; SkPoint center[] = {{32, 32}, {160, 32}, {32, 160}, {160, 160}}; paint.setStrokeWidth(2); for (size_t i = 0; i < 4; ++i) { paint.setColor(SK_ColorRED); canvas->drawLine(center[i], center[i] + vectors[i][0], paint); paint.setColor(SK_ColorBLUE); canvas->drawLine(center[i], center[i] + vectors[i][1], paint); SkString str; SkScalar cross = SkPoint::CrossProduct(vectors[i][1], vectors[i][0]); str.printf("cross = %g", cross); paint.setColor(cross >= 0 ? SK_ColorRED : SK_ColorBLUE); canvas->drawString(str, center[i].fX, center[i].fY, paint); } } } // END FIDDLE #endif // Disabled until updated to use current API.