From b29915712327aba04a196a346c2513627686892c Mon Sep 17 00:00:00 2001
From: Hermet Park <chuneon.park@samsung.com>
Date: Thu, 3 Jun 2021 21:01:54 +0900
Subject: [PATCH] capi: add tvg_paint_get_transform() api.

---
 src/bindings/capi/thorvg_capi.h | 13 +++++++++++++
 src/bindings/capi/tvgCapi.cpp   |  7 +++++++
 2 files changed, 20 insertions(+)

diff --git a/src/bindings/capi/thorvg_capi.h b/src/bindings/capi/thorvg_capi.h
index a2a184d3..01a72b32 100644
--- a/src/bindings/capi/thorvg_capi.h
+++ b/src/bindings/capi/thorvg_capi.h
@@ -721,6 +721,19 @@ TVG_EXPORT Tvg_Result tvg_paint_translate(Tvg_Paint* paint, float x, float y);
 TVG_EXPORT Tvg_Result tvg_paint_transform(Tvg_Paint* paint, const Tvg_Matrix* m);
 
 
+/*!
+* \brief Gets the matrix of the affine transformation of the given Tvg_Paint object.
+*
+* \param[in] paint The Tvg_Paint object of which to get the transformation matrix.
+* \param[out] m The 3x3 augmented matrix.
+*
+* \return Tvg_Result enumeration.
+* \retval TVG_RESULT_SUCCESS Succeed.
+* \retval TVG_RESULT_INVALID_ARGUMENT A @c nullptr is passed as the argument.
+*/
+TVG_EXPORT Tvg_Result tvg_paint_get_transform(Tvg_Paint* paint, Tvg_Matrix* m);
+
+
 /*!
 * \brief Sets the opacity of the given Tvg_Paint.
 *
diff --git a/src/bindings/capi/tvgCapi.cpp b/src/bindings/capi/tvgCapi.cpp
index 8815569a..06fbf27a 100644
--- a/src/bindings/capi/tvgCapi.cpp
+++ b/src/bindings/capi/tvgCapi.cpp
@@ -161,6 +161,13 @@ TVG_EXPORT Tvg_Result tvg_paint_transform(Tvg_Paint* paint, const Tvg_Matrix* m)
     return (Tvg_Result) reinterpret_cast<Paint*>(paint)->transform(*(reinterpret_cast<const Matrix*>(m)));
 }
 
+TVG_EXPORT Tvg_Result tvg_paint_get_transform(Tvg_Paint* paint, Tvg_Matrix* m)
+{
+    if (!paint || !m) return TVG_RESULT_INVALID_ARGUMENT;
+    *reinterpret_cast<Matrix*>(m) = reinterpret_cast<Paint*>(paint)->transform();
+    return TVG_RESULT_SUCCESS;
+}
+
 
 TVG_EXPORT Tvg_Paint* tvg_paint_duplicate(Tvg_Paint* paint)
 {