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- // 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
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