1 files changed, 15 insertions, 0 deletions
diff --git a/src/osx/graphics/quartz/Painter.cpp b/src/osx/graphics/quartz/Painter.cpp
index b3006a97..65cf9154 100644
--- a/src/osx/graphics/quartz/Painter.cpp
+++ b/src/osx/graphics/quartz/Painter.cpp
@@ -1 +1,16 @@
 #include "cru/osx/graphics/quartz/Painter.hpp"
+
+#include "cru/osx/graphics/quartz/Convert.hpp"
+
+namespace cru::platform::graphics::osx::quartz {
+  Matrix QuartzCGContextPainter::GetTransform() {
+    return Convert(CGContextGetCTM(cg_context_));
+  }
+  
+  void QuartzCGContextPainter::SetTransform(const Matrix& matrix)  {
+    auto old = CGContextGetCTM(cg_context_);
+    old = CGAffineTransformInvert(old);
+    CGContextConcatCTM(cg_context_, old);
+    CGContextConcatCTM(cg_context_, Convert(matrix));
+  }
+}