// 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=94ad244056dc80ecd87daae004266334 REG_FIDDLE(Pixmap_getColor, 256, 256, true, 0) { void draw(SkCanvas* canvas) { const int w = 4; const int h = 4; std::vector storage; storage.resize(w * h); SkDebugf("Premultiplied:\n"); for (int y = 0; y < h; ++y) { SkDebugf("(0, %d) ", y); for (int x = 0; x < w; ++x) { int a = 0xFF * (x + y) / (w - 1 + h - 1); storage[x + y * w] = SkPackARGB32(a, a * x / (w - 1), a * y / (h - 1), a); SkDebugf("0x%08x%c", storage[x + y * w], x == w - 1 ? '\n' : ' '); } } SkPixmap pixmap(SkImageInfo::MakeN32(w, h, kPremul_SkAlphaType), &storage.front(), w * 4); SkDebugf("Unpremultiplied:\n"); for (int y = 0; y < h; ++y) { SkDebugf("(0, %d) ", y); for (int x = 0; x < w; ++x) { SkDebugf("0x%08x%c", pixmap.getColor(x, y), x == w - 1 ? '\n' : ' '); } } } } // END FIDDLE