1 files changed, 105 insertions, 0 deletions
diff --git a/src/drivers/GDI/Fl_GDI_Copy_Surface_Driver.cxx b/src/drivers/GDI/Fl_GDI_Copy_Surface_Driver.cxx
new file mode 100644
index 000000000..1f6149052
--- /dev/null
+++ b/src/drivers/GDI/Fl_GDI_Copy_Surface_Driver.cxx
@@ -0,0 +1,105 @@
+//
+// "$Id: Fl_GDI_Copy_Surface.cxx 11241 2016-02-27 13:52:27Z manolo $"
+//
+// Copy-to-clipboard code for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 1998-2016 by Bill Spitzak and others.
+//
+// This library is free software. Distribution and use rights are outlined in
+// the file "COPYING" which should have been included with this file.  If this
+// file is missing or damaged, see the license at:
+//
+//     http://www.fltk.org/COPYING.php
+//
+// Please report all bugs and problems on the following page:
+//
+//     http://www.fltk.org/str.php
+//
+
+#include "../../config_lib.h"
+
+#ifdef FL_CFG_GFX_GDI
+#include <FL/Fl_Copy_Surface.H>
+#include "Fl_GDI_Graphics_Driver.H"
+#include <windows.h>
+
+class Fl_GDI_Copy_Surface_Driver : public Fl_Copy_Surface_Driver {
+  friend class Fl_Copy_Surface_Driver;
+protected:
+  HDC oldgc;
+  HDC gc;
+  Fl_GDI_Copy_Surface_Driver(int w, int h);
+  ~Fl_GDI_Copy_Surface_Driver();
+  void set_current();
+  void translate(int x, int y);
+  void untranslate();
+  int w() {return width;}
+  int h() {return height;}
+  int printable_rect(int *w, int *h) {*w = width; *h = height; return 0;}
+};
+
+
+Fl_Copy_Surface_Driver *Fl_Copy_Surface_Driver::newCopySurfaceDriver(int w, int h)
+{
+  return new Fl_GDI_Copy_Surface_Driver(w, h);
+}
+
+
+Fl_GDI_Copy_Surface_Driver::Fl_GDI_Copy_Surface_Driver(int w, int h) : Fl_Copy_Surface_Driver(w, h) {
+  driver(new Fl_Translated_GDI_Graphics_Driver);
+  oldgc = (HDC)Fl_Surface_Device::surface()->driver()->gc();
+  // exact computation of factor from screen units to EnhMetaFile units (0.01 mm)
+  HDC hdc = GetDC(NULL);
+  int hmm = GetDeviceCaps(hdc, HORZSIZE);
+  int hdots = GetDeviceCaps(hdc, HORZRES);
+  int vmm = GetDeviceCaps(hdc, VERTSIZE);
+  int vdots = GetDeviceCaps(hdc, VERTRES);
+  ReleaseDC(NULL, hdc);
+  float factorw = (100.f * hmm) / hdots;
+  float factorh = (100.f * vmm) / vdots;
+  
+  RECT rect; rect.left = 0; rect.top = 0; rect.right = (LONG)(w * factorw); rect.bottom = (LONG)(h * factorh);
+  gc = CreateEnhMetaFile (NULL, NULL, &rect, NULL);
+  if (gc != NULL) {
+    SetTextAlign(gc, TA_BASELINE|TA_LEFT);
+    SetBkMode(gc, TRANSPARENT);
+  }
+}
+
+
+Fl_GDI_Copy_Surface_Driver::~Fl_GDI_Copy_Surface_Driver() {
+  if (oldgc == (HDC)Fl_Surface_Device::surface()->driver()->gc()) oldgc = NULL;
+  HENHMETAFILE hmf = CloseEnhMetaFile (gc);
+  if ( hmf != NULL ) {
+    if ( OpenClipboard (NULL) ){
+      EmptyClipboard ();
+      SetClipboardData (CF_ENHMETAFILE, hmf);
+      CloseClipboard ();
+    }
+    DeleteEnhMetaFile(hmf);
+  }
+  DeleteDC(gc);
+  Fl_Surface_Device::surface()->driver()->gc(oldgc);
+}
+
+
+void Fl_GDI_Copy_Surface_Driver::set_current() {
+  driver()->gc(gc);
+  fl_window = (Window)1;
+  Fl_Surface_Device::set_current();
+}
+
+
+void Fl_GDI_Copy_Surface_Driver::translate(int x, int y) {
+  ((Fl_Translated_GDI_Graphics_Driver*)driver())->translate_all(x, y);
+}
+
+
+void Fl_GDI_Copy_Surface_Driver::untranslate() {
+  ((Fl_Translated_GDI_Graphics_Driver*)driver())->untranslate_all();
+}
+#endif // FL_CFG_GFX_GDI
+
+//
+// End of "$Id: Fl_Copy_Surface.H 11220 2016-02-26 12:51:47Z manolo $".
+//