From ba812a0a1934fb2568169043a783c073d772ff45 Mon Sep 17 00:00:00 2001
From: FrankHB <frankhb1989@gmail.com>
Date: Tue, 14 Apr 2020 18:58:23 +0800
Subject: [PATCH] =?UTF-8?q?EGE/src/ege/viewport.cpp:=20=E5=87=BD=E6=95=B0?=
 =?UTF-8?q?=20clearviewport=20=E4=BD=BF=E7=94=A8=E8=83=8C=E6=99=AF?=
 =?UTF-8?q?=E9=A2=9C=E8=89=B2=E5=A1=AB=E5=85=85=E3=80=82?=
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参见 https://github.com/wysaid/xege/pull/12 。

Signed-off-by: FrankHB <frankhb1989@gmail.com>
---
 Compatibility.md         | 4 +++-
 EGE/src/ege/viewport.cpp | 8 +-------
 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/Compatibility.md b/Compatibility.md
index 33dcd37f..2f91ad61 100644
--- a/Compatibility.md
+++ b/Compatibility.md
@@ -19,7 +19,9 @@ YEGE 以 [misakamm 的 xege](http://github.com/misakamm/xege) 为基础修改，
 	* 撤销 14.01 的修改，和原始 misakamm/xege 的 `color_t` 一致，而不再和 `::COLORREF` 一致。
 	* 同时修改函数 `EGERGB` 的实现，解决和其它函数的不一致问题。
 	* 修改后的格式和 `YSLib::Pixel` 在 Win32 上的实现以及 [wysaid/xege pull request 12](https://github.com/wysaid/xege/pull/12) 中的像素格式保持一致，存储格式都为 BGRA8888 。
-
+* 函数 `clearviewport` 使用背景颜色填充。
+	* 参见 [wysaid/xege pull request 12](https://github.com/wysaid/xege/pull/12) 。
+ 
 ## 19.01
 
 YEGE 19.01 以 YEGE 14.01 为基础修改。
diff --git a/EGE/src/ege/viewport.cpp b/EGE/src/ege/viewport.cpp
index c515d57d..62e7d4e5 100644
--- a/EGE/src/ege/viewport.cpp
+++ b/EGE/src/ege/viewport.cpp
@@ -38,13 +38,7 @@ clearviewport(IMAGE* pimg)
 	{
 		::RECT rect{0, 0, img.m_vpt.right - img.m_vpt.left,
 			img.m_vpt.bottom - img.m_vpt.top};
-		::HBRUSH hbr_c = ::HBRUSH(::GetCurrentObject(img.getdc(),
-			OBJ_BRUSH));
-		::LOGBRUSH logBrush;
-
-		::GetObjectW(hbr_c, sizeof(logBrush), &logBrush);
-
-		::HBRUSH hbr(::CreateSolidBrush(logBrush.lbColor));
+		const auto hbr(::CreateSolidBrush(GetBkColor(img.getdc())));
 
 		::FillRect(img.getdc(), &rect, hbr);
 		::DeleteObject(hbr);