From a4dafa3e2918f2cc28657145e6b0afe7bcf1ca7b Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sun, 24 Oct 2021 18:59:07 +0800
Subject: ...

---
 include/cru/platform/graphics/util/Painter.hpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'include/cru/platform/graphics/util')

diff --git a/include/cru/platform/graphics/util/Painter.hpp b/include/cru/platform/graphics/util/Painter.hpp
index 90457cf4..2e0fbb51 100644
--- a/include/cru/platform/graphics/util/Painter.hpp
+++ b/include/cru/platform/graphics/util/Painter.hpp
@@ -10,8 +10,9 @@ void WithTransform(IPainter* painter, const Matrix& matrix, const Fn& action) {
   static_assert(std::is_invocable_v<decltype(action), IPainter*>,
                 "Action must can be be invoked with painter.");
   const auto old = painter->GetTransform();
-  painter->SetTransform(matrix * old);
+  painter->PushState();
+  painter->ConcatTransform(matrix);
   action(painter);
-  painter->SetTransform(old);
+  painter->PopState();
 }
 }  // namespace cru::platform::graphics::util
-- 
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