Clean up high-dpi todos and comments.

src/gui/core/canvas.hpp

@@ -112,7 +112,6 @@ public:
 	 * pre-blitting functions.
 	 *
 	 * @param rect                Where to blit to, in drawing coordinates.
-surface.)
 	 */
 	void blit(SDL_Rect rect);
 

src/gui/widgets/window.cpp

@@ -581,7 +581,6 @@ int window::show(const bool restore, const unsigned auto_close_timeout)
 		if(restore_) {
 			SDL_Rect rect = get_rectangle();
 			video_.blit_texture(restorer_, &rect);
-			// TODO: highdpi - reimplement / fix this
 			font::undraw_floating_labels();
 		}
 		throw;
@@ -593,7 +592,6 @@ int window::show(const bool restore, const unsigned auto_close_timeout)
 	if(restore_) {
 		SDL_Rect rect = get_rectangle();
 		video_.blit_texture(restorer_, &rect);
-		// TODO: highdpi - reimplement / fix this
 		font::undraw_floating_labels();
 	}
 
@@ -630,12 +628,10 @@ void window::draw()
 		// We want the labels underneath the window so draw them and use them
 		// as restore point.
 		if(is_toplevel_) {
-			// TODO: highdpi - reimplement / fix this
 			font::draw_floating_labels();
 		}
 
 		if(restore_) {
-			// TODO: highdpi - reimplement / fix this
 			restorer_ = video_.read_texture(&rect);
 		}
 

src/help/help_text_area.cpp

@@ -553,7 +553,6 @@ void help_text_area::draw_contents()
 						it->rect.h - i * 2
 					};
 
-					// TODO: highdpi - fix
 					// SDL 2.0.10's render batching changes result in the
 					// surface's clipping rectangle being overridden even if
 					// no render clipping rectangle set operaton was queued,

src/sdl/utils.cpp

@@ -2132,8 +2132,6 @@ void blit_surface(const surface& surf,
 	}
 }
 
-// TODO: highdpi - this will break as soon as things start rendering with textures.
-// fix shouldn't be too hard - just pull pixels from the render target, not the drawing surface.
 surface get_surface_portion(const surface &src, SDL_Rect &area)
 {
 	if (src == nullptr) {

src/widgets/widget.cpp

@@ -240,7 +240,6 @@ void widget::bg_update()
 
 void widget::bg_restore() const
 {
-	// TODO: highdpi - this is ugly
 	auto clipper = video().set_clip(clip_ ? clip_rect_ : video().draw_area());
 
 	if (needs_restore_) {
@@ -253,7 +252,6 @@ void widget::bg_restore() const
 
 void widget::bg_restore(const SDL_Rect& rect) const
 {
-	// TODO: highdpi - this is ugly
 	auto clipper = video().set_clip(clip_ ? clip_rect_ : video().draw_area());
 
 	for(std::vector< surface_restorer >::const_iterator i = restorer_.begin(),