| // 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 "fiddle/examples.h" | |
| // HASH=f4365ef332f51f7fd25040e0771ba9a2 | |
| REG_FIDDLE(Matrix_dirtyMatrixTypeCache, 256, 256, true, 0) { | |
| void draw(SkCanvas* canvas) { | |
| SkMatrix matrix; | |
| matrix.setIdentity(); | |
| SkDebugf("with identity matrix: x = %g\n", matrix.mapXY(24, 42).fX); | |
| SkScalar& skewRef = matrix[SkMatrix::kMSkewX]; | |
| skewRef = 0; | |
| SkDebugf("after skew x mod: x = %g\n", matrix.mapXY(24, 42).fX); | |
| skewRef = 1; | |
| SkDebugf("after 2nd skew x mod: x = %g\n", matrix.mapXY(24, 42).fX); | |
| matrix.dirtyMatrixTypeCache(); | |
| SkDebugf("after dirty cache: x = %g\n", matrix.mapXY(24, 42).fX); | |
| } | |
| } // END FIDDLE |