xref: /aosp_15_r20/external/skia/docs/examples/Matrix_setPerspY.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_setPerspY, 256, 256, false, 4) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     for (SkScalar perspX : { -.003f, 0.f, .003f, .012f } ) {
7         SkMatrix matrix;
8         matrix.setIdentity();
9         matrix.setPerspY(perspX);
10         canvas->save();
11         canvas->concat(matrix);
12         canvas->drawImage(image, 0, 0);
13         canvas->restore();
14         canvas->translate(64, 64);
15     }
16 }
17 }  // END FIDDLE
18