Added functions to draw images at sub-pixel positions

This can be used for smoother mouse cursor movement when rendering our
own mouse cursor (already changed in this commit) and is also necessary
for implementing support for HiDPI font rendering.

Also dropped some almost duplicated OpenGL code.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 62350f99..68f43cc3 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -213,7 +213,7 @@ void Gui::draw()
         Image *mouseCursor = mMouseCursors->get(static_cast<size_t>(mCursorType));
         mouseCursor->setAlpha(mMouseCursorAlpha);
 
-        static_cast<Graphics*>(mGraphics)->drawImage(
+        static_cast<Graphics*>(mGraphics)->drawImageF(
                 mouseCursor,
                 logicalX - 15,
                 logicalY - 17);