docs/examples/Bitmap_empty_constructor.cpp

// 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"

#include <array>

REG_FIDDLE(Bitmap_empty_constructor, 256, 256, true, 0) {
void draw(SkCanvas* canvas) {
    static constexpr auto alphas = std::to_array<const char*>({
            "Unknown",
            "Opaque",
            "Premul",
            "Unpremul",
    });
    static constexpr auto colors = std::to_array<const char*>({
            "Unknown",
            "Alpha_8",
            "RGB_565",
            "ARGB_4444",
            "RGBA_8888",
            "RGB_888x",
            "BGRA_8888",
            "RGBA_1010102",
            "RGB_101010x",
            "Gray_8",
            "RGBA_F16Norm",
            "RGBA_F16",
    });
    SkBitmap bitmap;
    for (int i = 0; i < 2; ++i) {
       SkDebugf("width: %2d  height: %2d", bitmap.width(), bitmap.height());
       SkDebugf("  color: k%s_SkColorType", colors[bitmap.colorType()]);
       SkDebugf("  alpha: k%s_SkAlphaType\n", alphas[bitmap.alphaType()]);
       bitmap.setInfo(SkImageInfo::Make(25, 35, kRGBA_8888_SkColorType, kOpaque_SkAlphaType),
                      0);
    }
}
}  // END FIDDLE