| // 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=8e6530b26ab4096a9a91cfaadda1c568 |
| 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<SkSurface> 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 |