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 REG_FIDDLE(Matrix_setConcat, 256, 256, false, 3) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6 SkMatrix matrix, matrix2;
7 SkPoint bitmapBounds[4], perspect[4] = {{50, 10}, {180, 40}, {236, 176}, {10, 206}};
8 SkRect::Make(source.bounds()).toQuad(bitmapBounds);
9 matrix.setPolyToPoly(bitmapBounds, perspect, 4);
10 matrix2.setPolyToPoly(perspect, bitmapBounds, 4);
11 matrix.setConcat(matrix, matrix2);
12 canvas->concat(matrix);
13 canvas->drawImage(image, 0, 0);
14 }
15 } // END FIDDLE
16