d88c2e8e09
Change-Id: I9a6b2780cfdd91cdd16d5a08eb9ba1214492cb7e Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201982 Commit-Queue: Hal Canary <halcanary@google.com> Reviewed-by: Hal Canary <halcanary@google.com>
21 lines
922 B
C++
21 lines
922 B
C++
// Copyright 2019 Google LLC.
|
|
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
|
|
#include "fiddle/examples.h"
|
|
// HASH=74ef460f89ed5904334d0f8883e781c4
|
|
REG_FIDDLE(Pixmap_writable_addr, 256, 256, true, 0) {
|
|
void draw(SkCanvas* canvas) {
|
|
const int w = 4;
|
|
const int h = 4;
|
|
SkPMColor storage[w * h * 4];
|
|
SkPixmap pixmap(SkImageInfo::MakeN32(w, h, kPremul_SkAlphaType), storage, w * 4);
|
|
SkDebugf("pixmap.writable_addr() %c= (void *)storage\n",
|
|
pixmap.writable_addr() == (void *)storage ? '=' : '!');
|
|
pixmap.erase(0x00000000);
|
|
*(SkPMColor*)pixmap.writable_addr() = 0xFFFFFFFF;
|
|
SkDebugf("pixmap.getColor(0, 1) %c= 0x00000000\n",
|
|
pixmap.getColor(0, 1) == 0x00000000 ? '=' : '!');
|
|
SkDebugf("pixmap.getColor(0, 0) %c= 0xFFFFFFFF\n",
|
|
pixmap.getColor(0, 0) == 0xFFFFFFFF ? '=' : '!');
|
|
}
|
|
} // END FIDDLE
|