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(no_gpu_blur, 256, 256, false, 0) { |
| 5 | void draw(SkCanvas* canvas) { |
| 6 | SkBitmap alpha, bitmap; |
| 7 | bitmap.allocN32Pixels(100, 100); |
| 8 | SkCanvas offscreen(bitmap); |
| 9 | offscreen.clear(0); |
| 10 | SkPaint paint; |
| 11 | paint.setAntiAlias(true); |
| 12 | paint.setColor(SK_ColorBLUE); |
| 13 | paint.setStyle(SkPaint::kStroke_Style); |
| 14 | paint.setStrokeWidth(20); |
| 15 | offscreen.drawCircle(50, 50, 39, paint); |
| 16 | offscreen.flush(); |
| 17 | paint.setMaskFilter(SkMaskFilter::MakeBlur(kOuter_SkBlurStyle, 3)); |
| 18 | SkIPoint offset; |
| 19 | bitmap.extractAlpha(&alpha, &paint, nullptr, &offset); |
| 20 | paint.setColor(SK_ColorRED); |
| 21 | canvas->drawBitmap(bitmap, 0, -offset.fY, &paint); |
| 22 | canvas->drawBitmap(alpha, 100 + offset.fX, 0, &paint); |
| 23 | } |
| 24 | } // END FIDDLE |