From 8dccfc88386561782d9b78900b283cedad2e59bb Mon Sep 17 00:00:00 2001
From: Manolo Gouy <Manolo>
Date: Mon, 3 Jul 2017 17:31:57 +0000
Subject: HiDPI support under WIN32 platform: completed.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12285 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/Fl_Window_Driver.cxx | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src/Fl_Window_Driver.cxx')

diff --git a/src/Fl_Window_Driver.cxx b/src/Fl_Window_Driver.cxx
index b750b1ff7..2ec0cfaff 100644
--- a/src/Fl_Window_Driver.cxx
+++ b/src/Fl_Window_Driver.cxx
@@ -260,6 +260,23 @@ int Fl_Window_Driver::screen_num() {
   return Fl::screen_num(x(), y(), w(), h());
 }
 
+void Fl_Window_Driver::resize_after_scale_change(int ns, float old_f, float new_f) {
+  int oldx = pWindow->x(), oldy = pWindow->y();
+  fl_uintptr_t current = current_cursor();
+  pWindow->hide();
+  screen_num(ns);
+  pWindow->position(oldx*old_f/new_f, oldy*old_f/new_f);
+  force_position(1);
+  if (pWindow->fullscreen_active()) {
+    pWindow->size(pWindow->w() * old_f/new_f, pWindow->h() * old_f/new_f);
+  }
+  Fl_Graphics_Driver::default_driver().scale(new_f);
+  pWindow->show();
+  reuse_cursor(current);
+  reuse_icons();
+//extern FILE*LOG;fprintf(LOG,"ns=%d old_f%.2f new_f=%.2f\n",ns,old_f,new_f);fflush(LOG);
+}
+
 //
 // End of "$Id$".
 //
-- 
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