YSTest: ydevice.cpp 源文件

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ydevice.cpp
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1 /*
2 © 2009-2014 FrankHB.
3
4 This file is part of the YSLib project, and may only be used,
5 modified, and distributed under the terms of the YSLib project
6 license, LICENSE.TXT. By continuing to use, modify, or distribute
7 this file you indicate that you have read the license and
8 understand and accept it fully.
9 */
10
28 #include "YSLib/Core/YModules.h"
29 #include YFM_YSLib_Core_YDevice
30
31 namespace YSLib
32 {
33
34 using namespace Drawing;
35
36 namespace Devices
37 {
38
39 BitmapPtr
40 Screen::GetCheckedBufferPtr() const ynothrow
41 {
42 YAssertNonnull(GetBufferPtr());
43 return GetBufferPtr();
44 }
45
46 void
47 Screen::Update(BitmapPtr buf) ynothrow
48 {
49 // TODO: Explicitly assert that copy cannot throw.
50 std::copy_n(buf, GetAreaOf(GetSize()), GetCheckedBufferPtr());
51 }
52
53 } // namespace Devices;
54
55 } // namespace YSLib;
56
YModules.h
YSLib::Drawing::GetAreaOf
yconstfn auto GetAreaOf(const Size &s) ynothrow-> decltype(s.Width *s.Height)
取面积。
Definition: ygdibase.h:404
ynothrow
#define ynothrow
YSLib 无异常抛出保证：若支持 noexcept 关键字， 指定特定的 noexcept 异常规范。
Definition: ydef.h:514
YAssertNonnull
#define YAssertNonnull(_expr)
Definition: cassert.h:81
platform::BitmapPtr
PixelType * BitmapPtr
Definition: Video.h:295