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- // 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=d84fce292d86c7d9ef37ae2d179c03c7
- REG_FIDDLE(Point_normalize_2, 256, 256, false, 0) {
- void draw(SkCanvas* canvas) {
- SkPaint paint;
- paint.setAntiAlias(true);
- const SkPoint lines[][2] = { {{ 30, 110 }, { 190, 30 }},
- {{ 120, 140 }, { 30, 220 }}};
- for (auto line : lines) {
- canvas->drawLine(line[0], line[1], paint);
- SkVector vector = line[1] - line[0];
- if (vector.normalize()) {
- SkVector rotate90 = { -vector.fY, vector.fX };
- rotate90 *= 10.f;
- canvas->drawLine(line[0] - rotate90, line[0] + rotate90, paint);
- canvas->drawLine(line[1] - rotate90, line[1] + rotate90, paint);
- }
- }
- }
- } // END FIDDLE
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