1*c8dee2aaSAndroid Build Coastguard Worker // Copyright 2019 Google LLC.
2*c8dee2aaSAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3*c8dee2aaSAndroid Build Coastguard Worker #include "tools/fiddle/examples.h"
4*c8dee2aaSAndroid Build Coastguard Worker REG_FIDDLE(Matrix_decomposeScale, 256, 256, true, 0) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker SkMatrix matrix;
7*c8dee2aaSAndroid Build Coastguard Worker matrix.setRotate(90 * SK_Scalar1);
8*c8dee2aaSAndroid Build Coastguard Worker matrix.postScale(1.f / 4, 1.f / 2);
9*c8dee2aaSAndroid Build Coastguard Worker matrix.dump();
10*c8dee2aaSAndroid Build Coastguard Worker SkSize scale = {SK_ScalarNaN, SK_ScalarNaN};
11*c8dee2aaSAndroid Build Coastguard Worker SkMatrix remaining;
12*c8dee2aaSAndroid Build Coastguard Worker remaining.reset();
13*c8dee2aaSAndroid Build Coastguard Worker bool success = matrix.decomposeScale(&scale, &remaining);
14*c8dee2aaSAndroid Build Coastguard Worker SkDebugf("success: %s ", success ? "true" : "false");
15*c8dee2aaSAndroid Build Coastguard Worker SkDebugf("scale: %g, %g\n", scale.width(), scale.height());
16*c8dee2aaSAndroid Build Coastguard Worker remaining.dump();
17*c8dee2aaSAndroid Build Coastguard Worker SkMatrix scaleMatrix = SkMatrix::Scale(scale.width(), scale.height());
18*c8dee2aaSAndroid Build Coastguard Worker SkMatrix combined = SkMatrix::Concat(scaleMatrix, remaining);
19*c8dee2aaSAndroid Build Coastguard Worker combined.dump();
20*c8dee2aaSAndroid Build Coastguard Worker }
21*c8dee2aaSAndroid Build Coastguard Worker } // END FIDDLE
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