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OpenHarmony-TPC/chromium_third_party_skia
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Matrix_mapXY.cpp 773 Bytes
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李想 提交于 2023-11-11 15:55 +08:00 . chromium 99.0.4844.88 4.0release init
// 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=9e50185d502dc6903783679a84106089
REG_FIDDLE(Matrix_mapXY, 256, 256, false, 0) {
void draw(SkCanvas* canvas) {
SkPaint paint;
paint.setAntiAlias(true);
SkMatrix matrix;
matrix.setRotate(60, 128, 128);
SkPoint lines[] = {{50, 50}, {150, 50}, {150, 150}};
for (size_t i = 0; i < SK_ARRAY_COUNT(lines); ++i) {
SkPoint pt;
matrix.mapXY(lines[i].fX, lines[i].fY, &pt);
canvas->drawCircle(pt.fX, pt.fY, 3, paint);
}
canvas->concat(matrix);
canvas->drawPoints(SkCanvas::kPolygon_PointMode, SK_ARRAY_COUNT(lines), lines, paint);
}
} // END FIDDLE
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chromium_third_party_skia
chromium_third_party_skia
4.0_Release

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