skia2/docs/examples/Canvas_empty_constructor.cpp
Mike Reed 1a4140e598 deprecate getTotalMatrix
Change-Id: Iec7d67f4ec3fdf4d5280f3de3d6146a69a60c646
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/339995
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2020-12-03 17:37:35 +00:00

19 lines
671 B
C++

// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "tools/fiddle/examples.h"
// HASH=4a00e6589e862fde5be532f4b6e316ce
REG_FIDDLE(Canvas_empty_constructor, 256, 256, true, 0) {
static void check_for_rotated_ctm(const SkCanvas* canvas) {
const SkM44 matrix = canvas->getLocalToDevice();
SkDebugf("ctm is identity = \n", matrix == SkM44() ? "true" : "false");
}
void draw(SkCanvas* canvas) {
check_for_rotated_ctm(canvas);
canvas->rotate(30);
check_for_rotated_ctm(canvas);
SkCanvas defaultCanvas;
check_for_rotated_ctm(&defaultCanvas);
}
} // END FIDDLE