| 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=b2cbbbbcffb618865d8aae3bc04b2a62 |
| 5 | REG_FIDDLE(Bitmap_069, 256, 128, false, 0) { |
| 6 | void draw(SkCanvas* canvas) { |
| 7 | const int width = 256; |
| 8 | const int height = 64; |
| 9 | SkImageInfo srcInfo = SkImageInfo::MakeN32Premul(width, height); |
| 10 | SkColor gradColors[] = { 0xFFAA3300, 0x7F881122 }; |
| 11 | SkPoint gradPoints[] = { { 0, 0 }, { 256, 0 } }; |
| 12 | SkPaint paint; |
| 13 | paint.setShader(SkGradientShader::MakeLinear(gradPoints, gradColors, nullptr, |
| 14 | SK_ARRAY_COUNT(gradColors), SkShader::kClamp_TileMode)); |
| 15 | SkBitmap bitmap; |
| 16 | bitmap.allocPixels(srcInfo); |
| 17 | SkCanvas srcCanvas(bitmap); |
| 18 | srcCanvas.drawRect(SkRect::MakeWH(width, height), paint); |
| 19 | canvas->drawBitmap(bitmap, 0, 0); |
| 20 | SkImageInfo dstInfo = srcInfo.makeColorType(kARGB_4444_SkColorType); |
| 21 | std::vector<int16_t> dstPixels; |
| 22 | dstPixels.resize(height * width); |
| 23 | bitmap.readPixels(dstInfo, &dstPixels.front(), width * 2, 0, 0); |
| 24 | SkPixmap dstPixmap(dstInfo, &dstPixels.front(), width * 2); |
| 25 | bitmap.installPixels(dstPixmap); |
| 26 | canvas->drawBitmap(bitmap, 0, 64); |
| 27 | } |
| 28 | } // END FIDDLE |