Add a unit test for drawing complex shapes (#565)

2 files changed, 15 insertions, 0 deletions

diff --git a/FL/Fl_Graphics_Driver.H b/FL/Fl_Graphics_Driver.H
index 817fcd9ea..006721f61 100644
--- a/FL/Fl_Graphics_Driver.H
+++ b/FL/Fl_Graphics_Driver.H
@@ -234,6 +234,8 @@ public:
   // support of "complex shapes"
   void push_matrix();
   void pop_matrix();
+  void load_identity();
+  void load_matrix(double a, double b, double c, double d, double x, double y);
   void mult_matrix(double a, double b, double c, double d, double x, double y);
   void rotate(double d);
   void translate(double x,double y);
diff --git a/FL/fl_draw.H b/FL/fl_draw.H
index fc3e401ca..33c1f716f 100644
--- a/FL/fl_draw.H
+++ b/FL/fl_draw.H
@@ -551,6 +551,19 @@ inline void fl_rotate(double d) {
   fl_graphics_driver->rotate(d);
 }
 /**
+  Set the transformation matrix to identity.
+ */
+inline void fl_load_identity() {
+  fl_graphics_driver->load_identity();
+}
+/**
+ Set the current transformation matrix.
+ \param[in] a,b,c,d,x,y transformation matrix elements
+ */
+inline void fl_load_matrix(double a, double b, double c, double d, double x, double y) {
+  fl_graphics_driver->load_matrix(a, b, c, d, x, y);
+}
+/**
   Concatenate another transformation onto the current one.
 
   \param[in] a,b,c,d,x,y transformation matrix elements such that