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=ba19b36df8cd78586f3dff54e2d4c093
5 REG_FIDDLE(Matrix_TypeMask, 256, 256, true, 0) {
draw(SkCanvas * canvas)6 void draw(SkCanvas* canvas) {
7 auto debugster = [](const char* prefix, const SkMatrix& matrix) -> void {
8 SkString typeMask;
9 typeMask += SkMatrix::kIdentity_Mask == matrix.getType() ? "kIdentity_Mask " : "";
10 typeMask += SkMatrix::kTranslate_Mask & matrix.getType() ? "kTranslate_Mask " : "";
11 typeMask += SkMatrix::kScale_Mask & matrix.getType() ? "kScale_Mask " : "";
12 typeMask += SkMatrix::kAffine_Mask & matrix.getType() ? "kAffine_Mask " : "";
13 typeMask += SkMatrix::kPerspective_Mask & matrix.getType() ? "kPerspective_Mask" : "";
14 SkDebugf("after %s: %s\n", prefix, typeMask.c_str());
15 };
16 SkMatrix matrix;
17 matrix.reset();
18 debugster("reset", matrix);
19 matrix.postTranslate(1, 0);
20 debugster("postTranslate", matrix);
21 matrix.postScale(2, 1);
22 debugster("postScale", matrix);
23 matrix.postRotate(45);
24 debugster("postScale", matrix);
25 SkPoint polys[][4] = {{{0, 0}, {0, 1}, {1, 1}, {1, 0}}, {{0, 0}, {0, 1}, {2, 1}, {1, 0}}};
26 matrix.setPolyToPoly(polys[0], polys[1], 4);
27 debugster("setPolyToPoly", matrix);
28 }
29 } // END FIDDLE
30