2019-03-15 18:22:51 +00:00
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// 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 "fiddle/examples.h"
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// HASH=b07e62298e7b0ab5683db199faffceb2
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2019-03-18 20:06:34 +00:00
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REG_FIDDLE(Matrix_preConcat, 256, 256, false, 3) {
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2019-03-15 18:22:51 +00:00
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void draw(SkCanvas* canvas) {
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SkMatrix matrix, matrix2;
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SkPoint bitmapBounds[4], perspect[4] = {{50, 10}, {180, 40}, {236, 176}, {10, 206}};
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SkRect::Make(source.bounds()).toQuad(bitmapBounds);
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matrix.setPolyToPoly(bitmapBounds, perspect, 4);
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matrix2.setPolyToPoly(perspect, bitmapBounds, 4);
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matrix.preConcat(matrix2);
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canvas->concat(matrix);
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canvas->drawBitmap(source, 0, 0);
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}
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} // END FIDDLE
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