| // 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=a803910ada4f8733f0b62456afead55f |
| REG_FIDDLE(Surface_MakeRaster, 256, 256, true, 0) { |
| void draw(SkCanvas* ) { |
| SkImageInfo info = SkImageInfo::MakeN32Premul(3, 3); |
| const size_t rowBytes = 64; |
| sk_sp<SkSurface> surface(SkSurfaces::Raster(info, rowBytes, nullptr)); |
| SkCanvas* canvas = surface->getCanvas(); |
| canvas->clear(SK_ColorWHITE); |
| SkPixmap pixmap; |
| if (surface->peekPixels(&pixmap)) { |
| const uint32_t* colorPtr = pixmap.addr32(); |
| 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[x] == pmWhite ? '-' : 'x'); |
| } |
| colorPtr += rowBytes / sizeof(colorPtr[0]); |
| SkDebugf("\n"); |
| } |
| } |
| } |
| } // END FIDDLE |