| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [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. |
| Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 3 | #include "tools/fiddle/examples.h" |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 4 | // HASH=5df49d1f4da37275a1f10ef7f1a749f0 |
| Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(Canvas_SrcRectConstraint, 256, 64, false, 0) { |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 6 | void draw(SkCanvas* canvas) { |
| 7 | SkBitmap redBorder; |
| 8 | redBorder.allocPixels(SkImageInfo::MakeN32Premul(4, 4)); |
| 9 | SkCanvas checkRed(redBorder); |
| 10 | checkRed.clear(SK_ColorRED); |
| 11 | uint32_t checkers[][2] = { { SK_ColorBLACK, SK_ColorWHITE }, |
| 12 | { SK_ColorWHITE, SK_ColorBLACK } }; |
| 13 | checkRed.writePixels( |
| 14 | SkImageInfo::MakeN32Premul(2, 2), (void*) checkers, sizeof(checkers[0]), 1, 1); |
| 15 | canvas->scale(16, 16); |
| 16 | canvas->drawBitmap(redBorder, 0, 0, nullptr); |
| 17 | canvas->resetMatrix(); |
| 18 | sk_sp<SkImage> image = SkImage::MakeFromBitmap(redBorder); |
| 19 | SkPaint lowPaint; |
| 20 | lowPaint.setFilterQuality(kLow_SkFilterQuality); |
| 21 | for (auto constraint : { SkCanvas::kStrict_SrcRectConstraint, |
| 22 | SkCanvas::kFast_SrcRectConstraint } ) { |
| 23 | canvas->translate(80, 0); |
| 24 | canvas->drawImageRect(image.get(), SkRect::MakeLTRB(1, 1, 3, 3), |
| 25 | SkRect::MakeLTRB(16, 16, 48, 48), &lowPaint, constraint); |
| 26 | } |
| 27 | } |
| 28 | } // END FIDDLE |