1 // Copyright 2019 Google LLC. 2 // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. 3 #include "tools/fiddle/examples.h" 4 // HASH=b932a2bd68455fb0af2e7a1ed19e36b3 5 REG_FIDDLE(Surface_MakeRasterN32Premul, 256, 256, true, 0) { draw(SkCanvas *)6void draw(SkCanvas* ) { 7 sk_sp<SkSurface> surface(SkSurface::MakeRasterN32Premul(3, 3)); 8 SkCanvas* canvas = surface->getCanvas(); 9 canvas->clear(SK_ColorWHITE); 10 SkPixmap pixmap; 11 if (surface->peekPixels(&pixmap)) { 12 const uint32_t* colorPtr = pixmap.addr32(); 13 SkPMColor pmWhite = colorPtr[0]; 14 SkPaint paint; 15 canvas->drawPoint(1, 1, paint); 16 canvas->flush(); // ensure that point was drawn 17 for (int y = 0; y < surface->height(); ++y) { 18 for (int x = 0; x < surface->width(); ++x) { 19 SkDebugf("%c", colorPtr[x] == pmWhite ? '-' : 'x'); 20 } 21 colorPtr += surface->width(); 22 SkDebugf("\n"); 23 } 24 } 25 } 26 } // END FIDDLE 27