22 lines
732 B
C++
22 lines
732 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=f99dcb00296d0c56b6c0e178e94b3534
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REG_FIDDLE(Matrix_mapPoints, 256, 256, false, 0) {
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void draw(SkCanvas* canvas) {
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SkMatrix matrix;
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matrix.reset();
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const int count = 4;
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SkPoint src[count];
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matrix.mapRectToQuad(src, {40, 70, 180, 220} );
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SkPaint paint;
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paint.setARGB(77, 23, 99, 154);
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for (int i = 0; i < 5; ++i) {
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SkPoint dst[count];
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matrix.mapPoints(dst, src, count);
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canvas->drawPoints(SkCanvas::kPolygon_PointMode, count, dst, paint);
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matrix.preRotate(35, 128, 128);
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}
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}
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} // END FIDDLE
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