Add Canvas::flush and Canvas::finish

include/plutobook.h

@@ -187,6 +187,8 @@ typedef struct _cairo_surface cairo_surface_t;
 typedef struct _cairo cairo_t;
 
 PLUTOBOOK_API void plutobook_canvas_destroy(plutobook_canvas_t* canvas);
+PLUTOBOOK_API void plutobook_canvas_flush(plutobook_canvas_t* canvas);
+PLUTOBOOK_API void plutobook_canvas_finish(plutobook_canvas_t* canvas);
 PLUTOBOOK_API void plutobook_canvas_translate(plutobook_canvas_t* canvas, float tx, float ty);
 PLUTOBOOK_API void plutobook_canvas_scale(plutobook_canvas_t* canvas, float sx, float sy);
 PLUTOBOOK_API void plutobook_canvas_rotate(plutobook_canvas_t* canvas, float angle);

include/plutobook.hpp

@@ -231,6 +231,16 @@ class PLUTOBOOK_API Canvas {
      */
     virtual ~Canvas();
 
+    /**
+     * @brief flush
+     */
+    void flush();
+
+    /**
+     * @brief finish
+     */
+    void finish();
+
     /**
      * @brief Translates the origin of the coordinate system.
      * @param tx The horizontal translation distance.

source/plutobook.cc

@@ -49,6 +49,20 @@ void plutobook_canvas_destroy(plutobook_canvas_t* canvas)
     std::free(canvas);
 }
 
+void plutobook_canvas_flush(plutobook_canvas_t* canvas)
+{
+    if(canvas == NULL)
+        return;
+    cairo_surface_flush(canvas->surface);
+}
+
+void plutobook_canvas_finish(plutobook_canvas_t* canvas)
+{
+    if(canvas == NULL)
+        return;
+    cairo_surface_finish(canvas->surface);
+}
+
 void plutobook_canvas_translate(plutobook_canvas_t* canvas, float tx, float ty)
 {
     if(canvas == nullptr)

source/plutobook.cpp

@@ -44,6 +44,16 @@ Canvas::~Canvas()
     plutobook_canvas_destroy(m_canvas);
 }
 
+void Canvas::flush()
+{
+    plutobook_canvas_flush(m_canvas);
+}
+
+void Canvas::finish()
+{
+    plutobook_canvas_finish(m_canvas);
+}
+
 void Canvas::translate(float tx, float ty)
 {
     plutobook_canvas_translate(m_canvas, tx, ty);