Add Matrix::set/pre/postConcat() functions

aseprite · Jul 26, 2023 · 565ee01 · 565ee01
1 parent 5fcfcf3
commit 565ee01
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Showing 2 changed files with 22 additions and 2 deletions.
diff --git a/gfx/matrix_none.h b/gfx/matrix_none.h
@@ -1,5 +1,5 @@
 // LAF Gfx Library
-// Copyright (c) 2020  Igara Studio S.A.
+// Copyright (c) 2020-2023  Igara Studio S.A.
 //
 // This file is released under the terms of the MIT license.
 // Read LICENSE.txt for more information.
@@ -46,6 +46,11 @@ namespace gfx {
     void setScaleTranslate(float sx, float sy, float tx, float ty) { }
     Matrix& preTranslate(float dx, float dy) { return *this; }
     Matrix& postTranslate(float dx, float dy) { return *this; }
+
+    Matrix& setConcat(const Matrix& a, const Matrix& b) { return *this; }
+    Matrix& preConcat(const Matrix& other) { return *this; }
+    Matrix& postConcat(const Matrix& other) { return *this; }
+
     RectF mapRect(const RectF& src) const { return RectF(); }
   };
 

diff --git a/gfx/matrix_skia.h b/gfx/matrix_skia.h
@@ -1,5 +1,5 @@
 // LAF Gfx Library
-// Copyright (c) 2020  Igara Studio S.A.
+// Copyright (c) 2020-2023  Igara Studio S.A.
 //
 // This file is released under the terms of the MIT license.
 // Read LICENSE.txt for more information.
@@ -99,6 +99,21 @@ namespace gfx {
       return *this;
     }
 
+    Matrix& setConcat(const Matrix& a, const Matrix& b) {
+      m_skMatrix.setConcat(a.m_skMatrix, b.m_skMatrix);
+      return *this;
+    }
+
+    Matrix& preConcat(const Matrix& other) {
+      m_skMatrix.preConcat(other.m_skMatrix);
+      return *this;
+    }
+
+    Matrix& postConcat(const Matrix& other) {
+      m_skMatrix.postConcat(other.m_skMatrix);
+      return *this;
+    }
+
     RectF mapRect(const RectF& src) const {
       SkRect dst;
       m_skMatrix.mapRect(&dst, SkRect::MakeXYWH(SkScalar(src.x), SkScalar(src.y),