xref: /aosp_15_r20/external/skia/docs/examples/Matrix_isScaleTranslate.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
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_isScaleTranslate, 256, 256, true, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     SkMatrix matrix;
7     for (SkScalar scaleX : { 1, 2 } ) {
8         for (SkScalar translateX : { 0, 20 } ) {
9             matrix.setAll(scaleX, 0, translateX,   0, 1, 0,    0, 0, 1);
10             SkDebugf("is scale-translate: %s\n", matrix.isScaleTranslate() ? "true" : "false");
11         }
12     }
13 }
14 }  // END FIDDLE
15