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=0cc2c6a0dffa61a88711534bd3d43b40
5 REG_FIDDLE(Bitmap_peekPixels, 256, 256, true, 0) {
draw(SkCanvas * canvas)6 void draw(SkCanvas* canvas) {
7     SkBitmap bitmap;
8     bitmap.allocPixels(SkImageInfo::MakeN32Premul(6, 11));
9     SkCanvas offscreen(bitmap);
10     offscreen.clear(SK_ColorWHITE);
11     SkPaint paint;
12     SkFont font;
13     offscreen.drawString("?", 0, 10, font, paint);
14     SkPixmap pixmap;
15     if (bitmap.peekPixels(&pixmap)) {
16         const SkPMColor* pixels = pixmap.addr32();
17         SkPMColor pmWhite = pixels[0];
18         for (int y = 0; y < bitmap.height(); ++y) {
19             for (int x = 0; x < bitmap.width(); ++x) {
20                 SkDebugf("%c", *pixels++ == pmWhite ? '-' : 'x');
21             }
22             SkDebugf("\n");
23         }
24     }
25 }
26 }  // END FIDDLE
27