Hal Canary | 6c8422c | 2020-01-10 15:22:09 -0500 | [diff] [blame] | 1 | // Copyright 2020 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(skpaint_matrix_color_filter, 256, 128, false, 3) { |
| 5 | void f(SkCanvas* c, SkScalar x, SkScalar y, SkScalar colorMatrix[20]) { |
| 6 | SkPaint paint; |
| 7 | paint.setColorFilter(SkColorFilters::Matrix(colorMatrix)); |
| 8 | c->drawImage(image, x, y, &paint); |
| 9 | } |
| 10 | void draw(SkCanvas* c) { |
| 11 | c->scale(0.25, 0.25); |
| 12 | SkScalar colorMatrix1[20] = { |
| 13 | 0, 1, 0, 0, 0, |
| 14 | 0, 0, 1, 0, 0, |
| 15 | 1, 0, 0, 0, 0, |
| 16 | 0, 0, 0, 1, 0}; |
| 17 | f(c, 0, 0, colorMatrix1); |
| 18 | |
| 19 | SkScalar grayscale[20] = { |
| 20 | 0.21f, 0.72f, 0.07f, 0.0f, 0.0f, |
| 21 | 0.21f, 0.72f, 0.07f, 0.0f, 0.0f, |
| 22 | 0.21f, 0.72f, 0.07f, 0.0f, 0.0f, |
| 23 | 0.0f, 0.0f, 0.0f, 1.0f, 0.0f}; |
| 24 | f(c, 512, 0, grayscale); |
| 25 | } |
| 26 | } // END FIDDLE |