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=6b4562c7052da94f3d5b2412dca41946 5REG_FIDDLE(Matrix_Concat, 256, 64, false, 4) { 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(image->bounds()).toQuad(bitmapBounds); 10 matrix.setPolyToPoly(bitmapBounds, perspect, 4); 11 matrix2.setPolyToPoly(perspect, bitmapBounds, 4); 12 SkMatrix concat = SkMatrix::Concat(matrix, matrix2); 13 canvas->concat(concat); 14 canvas->drawImage(image, 0, 0); 15} 16} // END FIDDLE 17