27 lines
1014 B
C++
27 lines
1014 B
C++
// Copyright 2019 Google LLC.
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "tools/fiddle/examples.h"
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// HASH=e626e26bf557857b824aa7d03f723e0f
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REG_FIDDLE(IPoint_subtract_operator, 256, 64, false, 0) {
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void draw(SkCanvas* canvas) {
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auto draw_lines = [=](const SkIPoint pts[], size_t count, SkPaint& paint) -> void {
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for (size_t i = 0; i < count - 1; ++i) {
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SkPoint p0, p1;
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p0.iset(pts[i]);
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p1.iset(pts[i + 1]);
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canvas->drawLine(p0, p1, paint);
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}
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};
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SkIPoint points[] = { { 3, 1 }, { 4, 2 }, { 5, 1 }, { 7, 3 } };
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setStyle(SkPaint::kStroke_Style);
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canvas->scale(30, 15);
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draw_lines(points, SK_ARRAY_COUNT(points), paint);
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points[1] += points[0] - points[3];
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points[2] -= points[1] - points[0];
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paint.setColor(SK_ColorRED);
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draw_lines(points, SK_ARRAY_COUNT(points), paint);
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}
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} // END FIDDLE
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