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 *)6 void 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