| Hal Canary | 83c2f70 | 2019-03-07 14:53:03 -0500 | [diff] [blame] | 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 "fiddle/examples.h" |
| 4 | // HASH=f4365ef332f51f7fd25040e0771ba9a2 |
| 5 | REG_FIDDLE(Matrix_025, 256, 256, true, 0) { |
| 6 | void draw(SkCanvas* canvas) { |
| 7 | SkMatrix matrix; |
| 8 | matrix.setIdentity(); |
| 9 | SkDebugf("with identity matrix: x = %g\n", matrix.mapXY(24, 42).fX); |
| 10 | SkScalar& skewRef = matrix[SkMatrix::kMSkewX]; |
| 11 | skewRef = 0; |
| 12 | SkDebugf("after skew x mod: x = %g\n", matrix.mapXY(24, 42).fX); |
| 13 | skewRef = 1; |
| 14 | SkDebugf("after 2nd skew x mod: x = %g\n", matrix.mapXY(24, 42).fX); |
| 15 | matrix.dirtyMatrixTypeCache(); |
| 16 | SkDebugf("after dirty cache: x = %g\n", matrix.mapXY(24, 42).fX); |
| 17 | } |
| 18 | } // END FIDDLE |