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=9df1baa17658fbd0c419780f26fd854f
REG_FIDDLE(Bitmap_ComputeIsOpaque, 256, 256, true, 0)5 REG_FIDDLE(Bitmap_ComputeIsOpaque, 256, 256, true, 0) {
6 void draw(SkCanvas* canvas) {
7 SkBitmap bitmap;
8 bitmap.setInfo(SkImageInfo::Make(2, 2, kN32_SkColorType, kPremul_SkAlphaType));
9 for (int index = 0; index < 2; ++index) {
10 bitmap.allocPixels();
11 bitmap.eraseColor(0x00000000);
12 SkDebugf("computeIsOpaque: %s\n", SkBitmap::ComputeIsOpaque(bitmap) ? "true" : "false");
13 bitmap.eraseColor(0xFFFFFFFF);
14 SkDebugf("computeIsOpaque: %s\n", SkBitmap::ComputeIsOpaque(bitmap) ? "true" : "false");
15 bitmap.setInfo(bitmap.info().makeAlphaType(kOpaque_SkAlphaType));
16 }
17 }
18 } // END FIDDLE
19