2019-03-15 18:22:51 +00:00
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// Copyright 2019 Google LLC.
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "fiddle/examples.h"
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// HASH=6e0f558bf7fabc655041116288559134
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2019-03-18 20:06:34 +00:00
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REG_FIDDLE(Pixmap_info, 256, 256, true, 3) {
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2019-03-15 18:22:51 +00:00
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void draw(SkCanvas* canvas) {
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std::vector<int32_t> pixels;
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pixels.resize(image->height() * image->width() * 4);
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SkPixmap pixmap(SkImageInfo::Make(image->width(), image->height(), kN32_SkColorType,
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image->alphaType()), (const void*) &pixels.front(), image->width() * 4);
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image->readPixels(pixmap, 0, 0);
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SkPixmap inset;
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if (pixmap.extractSubset(&inset, {128, 128, 512, 512})) {
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const SkImageInfo& info = inset.info();
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const char* alphas[] = {"Unknown", "Opaque", "Premul", "Unpremul"};
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const char* colors[] = {"Unknown", "Alpha_8", "RGB_565", "ARGB_4444", "RGBA_8888",
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"RGB_888x", "BGRA_8888", "RGBA_1010102", "RGB_101010x", "Gray_8", "RGBA_F16Norm",
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"RGBA_F16"};
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SkDebugf("width: %d height: %d color: %s alpha: %s\n", info.width(), info.height(),
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colors[info.colorType()], alphas[info.alphaType()]);
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}
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}
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} // END FIDDLE
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