1*c8dee2aaSAndroid Build Coastguard Worker // Copyright 2019 Google LLC.
2*c8dee2aaSAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3*c8dee2aaSAndroid Build Coastguard Worker #include "tools/fiddle/examples.h"
4*c8dee2aaSAndroid Build Coastguard Worker REG_FIDDLE(Pixmap_writable_addr, 256, 256, true, 0) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker const int w = 4;
7*c8dee2aaSAndroid Build Coastguard Worker const int h = 4;
8*c8dee2aaSAndroid Build Coastguard Worker SkPMColor storage[w * h * 4];
9*c8dee2aaSAndroid Build Coastguard Worker SkPixmap pixmap(SkImageInfo::MakeN32(w, h, kPremul_SkAlphaType), storage, w * 4);
10*c8dee2aaSAndroid Build Coastguard Worker SkDebugf("pixmap.writable_addr() %c= (void *)storage\n",
11*c8dee2aaSAndroid Build Coastguard Worker pixmap.writable_addr() == (void *)storage ? '=' : '!');
12*c8dee2aaSAndroid Build Coastguard Worker pixmap.erase(0x00000000);
13*c8dee2aaSAndroid Build Coastguard Worker *(SkPMColor*)pixmap.writable_addr() = 0xFFFFFFFF;
14*c8dee2aaSAndroid Build Coastguard Worker SkDebugf("pixmap.getColor(0, 1) %c= 0x00000000\n",
15*c8dee2aaSAndroid Build Coastguard Worker pixmap.getColor(0, 1) == 0x00000000 ? '=' : '!');
16*c8dee2aaSAndroid Build Coastguard Worker SkDebugf("pixmap.getColor(0, 0) %c= 0xFFFFFFFF\n",
17*c8dee2aaSAndroid Build Coastguard Worker pixmap.getColor(0, 0) == 0xFFFFFFFF ? '=' : '!');
18*c8dee2aaSAndroid Build Coastguard Worker }
19*c8dee2aaSAndroid Build Coastguard Worker } // END FIDDLE
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