fixed recalculating the texture dimensions on set

include/scigl_render/render/rasterizer.hpp

@@ -84,8 +84,8 @@ public:
   size_t get_views_per_column() const;
   size_t get_view_width() const;
   size_t get_view_height() const;
-  void set_views_per_row(size_t n_views);
-  void set_views_per_column(size_t n_views);
+  void set_views_per_row(size_t views_per_row);
+  void set_views_per_column(size_t views_per_column);
   void set_view_width(size_t width);
   void set_view_height(size_t height);
 

src/render/rasterizer.cpp

@@ -10,12 +10,11 @@ Rasterizer::Rasterizer()
 
 Rasterizer::Rasterizer(size_t width, size_t height, size_t views_per_row,
                        size_t views_per_column)
-    : width(width), height(height),
-      views_per_row(views_per_row), views_per_column(views_per_column)
 {
-  // create the offscreen render object
-  texture_width = width * views_per_row;
-  texture_height = height * views_per_column;
+  set_view_width(width);
+  set_view_height(height);
+  set_views_per_row(views_per_row);
+  set_views_per_column(views_per_column);
 }
 
 void Rasterizer::activate_view(size_t row, size_t column)
@@ -72,21 +71,25 @@ size_t Rasterizer::get_view_height() const
 {
   return height;
 }
-void Rasterizer::set_views_per_row(size_t n_views)
+void Rasterizer::set_views_per_row(size_t views_per_row)
 {
-  views_per_row = n_views;
+  this->views_per_row = views_per_row;
+  texture_width = views_per_row * width;
 }
-void Rasterizer::set_views_per_column(size_t n_views)
+void Rasterizer::set_views_per_column(size_t views_per_column)
 {
-  views_per_column = n_views;
+  this->views_per_column = views_per_column;
+  texture_height = views_per_column * height;
 }
 void Rasterizer::set_view_width(size_t width)
 {
   this->width = width;
+  texture_width = views_per_row * width;
 }
 void Rasterizer::set_view_height(size_t height)
 {
   this->height = height;
+  texture_height = views_per_column * height;
 }
 
 Rasterizer::ImageHeader Rasterizer::get_view_image(