21 lines
773 B
C++
21 lines
773 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=9e50185d502dc6903783679a84106089
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REG_FIDDLE(Matrix_mapXY, 256, 256, false, 0) {
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void draw(SkCanvas* canvas) {
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SkPaint paint;
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paint.setAntiAlias(true);
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SkMatrix matrix;
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matrix.setRotate(60, 128, 128);
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SkPoint lines[] = {{50, 50}, {150, 50}, {150, 150}};
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for (size_t i = 0; i < SK_ARRAY_COUNT(lines); ++i) {
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SkPoint pt;
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matrix.mapXY(lines[i].fX, lines[i].fY, &pt);
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canvas->drawCircle(pt.fX, pt.fY, 3, paint);
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}
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canvas->concat(matrix);
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canvas->drawPoints(SkCanvas::kPolygon_PointMode, SK_ARRAY_COUNT(lines), lines, paint);
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}
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} // END FIDDLE
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