1// Copyright 2019 Google LLC.
2// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3#include "tools/fiddle/examples.h"
4// HASH=b07e62298e7b0ab5683db199faffceb2
5REG_FIDDLE(Matrix_preConcat, 256, 256, false, 3) {
6void draw(SkCanvas* canvas) {
7    SkMatrix matrix, matrix2;
8    SkPoint bitmapBounds[4], perspect[4] = {{50, 10}, {180, 40}, {236, 176}, {10, 206}};
9    SkRect::Make(source.bounds()).toQuad(bitmapBounds);
10    matrix.setPolyToPoly(bitmapBounds, perspect, 4);
11    matrix2.setPolyToPoly(perspect, bitmapBounds, 4);
12    matrix.preConcat(matrix2);
13    canvas->concat(matrix);
14    canvas->drawImage(image, 0, 0);
15}
16}  // END FIDDLE
17