| // Copyright 2019 Google LLC. |
| // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. |
| #include "tools/fiddle/examples.h" |
| // HASH=6e0f558bf7fabc655041116288559134 |
| REG_FIDDLE(Pixmap_info, 256, 256, true, 3) { |
| void draw(SkCanvas* canvas) { |
| std::vector<int32_t> pixels; |
| pixels.resize(image->height() * image->width() * 4); |
| SkPixmap pixmap(SkImageInfo::Make(image->width(), image->height(), kN32_SkColorType, |
| image->alphaType()), (const void*) &pixels.front(), image->width() * 4); |
| image->readPixels(pixmap, 0, 0); |
| SkPixmap inset; |
| if (pixmap.extractSubset(&inset, {128, 128, 512, 512})) { |
| const SkImageInfo& info = inset.info(); |
| const char* alphas[] = {"Unknown", "Opaque", "Premul", "Unpremul"}; |
| const char* colors[] = {"Unknown", "Alpha_8", "RGB_565", "ARGB_4444", "RGBA_8888", |
| "RGB_888x", "BGRA_8888", "RGBA_1010102", "RGB_101010x", "Gray_8", "RGBA_F16Norm", |
| "RGBA_F16"}; |
| SkDebugf("width: %d height: %d color: %s alpha: %s\n", info.width(), info.height(), |
| colors[info.colorType()], alphas[info.alphaType()]); |
| } |
| } |
| } // END FIDDLE |
