// 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" REG_FIDDLE(Surface_WrapPixels_WithReleaseProc, 256, 256, true, 0) { static void release_direct_surface_storage(void* pixels, void* context) { if (pixels == context) { SkDebugf("expected release context\n"); } sk_free(pixels); } void draw(SkCanvas*) { SkImageInfo info = SkImageInfo::MakeN32Premul(3, 3); const size_t rowBytes = info.minRowBytes(); void* pixels = sk_malloc_throw(info.computeByteSize(rowBytes)); sk_sp surface(SkSurfaces::WrapPixels( info, pixels, rowBytes, release_direct_surface_storage, pixels)); SkCanvas* canvas = surface->getCanvas(); canvas->clear(SK_ColorWHITE); SkPMColor* colorPtr = (SkPMColor*)pixels; SkPMColor pmWhite = colorPtr[0]; SkPaint paint; canvas->drawPoint(1, 1, paint); for (int y = 0; y < info.height(); ++y) { for (int x = 0; x < info.width(); ++x) { SkDebugf("%c", *colorPtr++ == pmWhite ? '-' : 'x'); } SkDebugf("\n"); } } } // END FIDDLE