| 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=4590fbf052659d6e629fbfd827081ae5 |
| Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(Bitmap_readPixels_3, 256, 128, false, 3) { |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 6 | void draw(SkCanvas* canvas) { |
| 7 | std::vector<int32_t> srcPixels; |
| 8 | srcPixels.resize(source.height() * source.width() * 8); |
| 9 | for (int i = 0; i < 2; ++i) { |
| 10 | SkPixmap pixmap(SkImageInfo::Make(source.width() * 2, source.height(), |
| 11 | i ? kRGBA_8888_SkColorType : kBGRA_8888_SkColorType, kPremul_SkAlphaType), |
| 12 | &srcPixels.front() + i * source.width(), source.rowBytes() * 2); |
| 13 | source.readPixels(pixmap); |
| 14 | } |
| 15 | canvas->scale(.25f, .25f); |
| 16 | SkBitmap bitmap; |
| 17 | bitmap.installPixels(SkImageInfo::MakeN32Premul(source.width() * 2, source.height()), |
| 18 | &srcPixels.front(), source.rowBytes() * 2); |
| 19 | canvas->drawBitmap(bitmap, 0, 0); |
| 20 | } |
| 21 | } // END FIDDLE |