| 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=6e0f558bf7fabc655041116288559134 |
| 5 | REG_FIDDLE(Pixmap_006, 256, 256, true, 3) { |
| 6 | void draw(SkCanvas* canvas) { |
| 7 | std::vector<int32_t> pixels; |
| 8 | pixels.resize(image->height() * image->width() * 4); |
| 9 | SkPixmap pixmap(SkImageInfo::Make(image->width(), image->height(), kN32_SkColorType, |
| 10 | image->alphaType()), (const void*) &pixels.front(), image->width() * 4); |
| 11 | image->readPixels(pixmap, 0, 0); |
| 12 | SkPixmap inset; |
| 13 | if (pixmap.extractSubset(&inset, {128, 128, 512, 512})) { |
| 14 | const SkImageInfo& info = inset.info(); |
| 15 | const char* alphas[] = {"Unknown", "Opaque", "Premul", "Unpremul"}; |
| 16 | const char* colors[] = {"Unknown", "Alpha_8", "RGB_565", "ARGB_4444", "RGBA_8888", |
| 17 | "RGB_888x", "BGRA_8888", "RGBA_1010102", "RGB_101010x", "Gray_8", "RGBA_F16Norm", |
| 18 | "RGBA_F16"}; |
| 19 | SkDebugf("width: %d height: %d color: %s alpha: %s\n", info.width(), info.height(), |
| 20 | colors[info.colorType()], alphas[info.alphaType()]); |
| 21 | } |
| 22 | } |
| 23 | } // END FIDDLE |