// 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 "fiddle/examples.h" // HASH=6e0f558bf7fabc655041116288559134 REG_FIDDLE(Pixmap_info, 256, 256, true, 3) { void draw(SkCanvas* canvas) { std::vector 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