3 files changed, 318 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 $".
+//
diff --git a/src/drivers/Quartz/Fl_Quartz_Copy_Surface_Driver.cxx b/src/drivers/Quartz/Fl_Quartz_Copy_Surface_Driver.cxx
new file mode 100644
index 000000000..8488d5b8e
--- /dev/null
+++ b/src/drivers/Quartz/Fl_Quartz_Copy_Surface_Driver.cxx
@@ -0,0 +1,115 @@
+//
+// "$Id: Fl_Quartz_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_QUARTZ
+#include <FL/Fl_Copy_Surface.H>
+#include "Fl_Quartz_Graphics_Driver.H"
+
+class Fl_Quartz_Copy_Surface_Driver : public Fl_Copy_Surface_Driver {
+  friend class Fl_Copy_Surface_Driver;
+protected:
+  CFMutableDataRef pdfdata;
+  CGContextRef gc;
+  void prepare_copy_pdf_and_tiff(int w, int h);
+  void init_PDF_context(int w, int h);
+  static size_t MyPutBytes(void* info, const void* buffer, size_t count);
+  Fl_Quartz_Copy_Surface_Driver(int w, int h);
+  ~Fl_Quartz_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_Quartz_Copy_Surface_Driver(w, h);
+}
+
+Fl_Quartz_Copy_Surface_Driver::Fl_Quartz_Copy_Surface_Driver(int w, int h) : Fl_Copy_Surface_Driver(w, h) {
+  driver(new Fl_Quartz_Graphics_Driver);
+  prepare_copy_pdf_and_tiff(w, h);
+}
+
+Fl_Quartz_Copy_Surface_Driver::~Fl_Quartz_Copy_Surface_Driver() {
+  // that code is implemented in Fl_cocoa.mm because it uses some Objective-c
+  Fl_X::complete_copy_pdf_and_tiff(gc, pdfdata);
+}
+
+void Fl_Quartz_Copy_Surface_Driver::set_current() {
+  driver()->gc(gc);
+  fl_window = (Window)1;
+  Fl_Surface_Device::set_current();
+}
+
+size_t Fl_Quartz_Copy_Surface_Driver::MyPutBytes(void* info, const void* buffer, size_t count)
+{
+  CFDataAppendBytes ((CFMutableDataRef) info, (const UInt8 *)buffer, count);
+  return count;
+}
+
+void Fl_Quartz_Copy_Surface_Driver::init_PDF_context(int w, int h)
+{
+  CGRect bounds = CGRectMake(0, 0, w, h );
+  pdfdata = CFDataCreateMutable(NULL, 0);
+  CGDataConsumerRef myconsumer;
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
+  if (&CGDataConsumerCreateWithCFData != NULL) {
+    myconsumer = CGDataConsumerCreateWithCFData(pdfdata); // 10.4
+  }
+  else
+#endif
+  {
+    static CGDataConsumerCallbacks callbacks = { Fl_Quartz_Copy_Surface_Driver::MyPutBytes, NULL };
+    myconsumer = CGDataConsumerCreate ((void*) pdfdata, &callbacks);
+  }
+  gc = CGPDFContextCreate (myconsumer, &bounds, NULL);
+  CGDataConsumerRelease (myconsumer);
+}
+
+void Fl_Quartz_Copy_Surface_Driver::prepare_copy_pdf_and_tiff(int w, int h)
+{
+  init_PDF_context(w, h);
+  if (gc == NULL) return;
+  CGRect bounds = CGRectMake(0, 0, w, h );
+  CGContextBeginPage (gc, &bounds);
+  CGContextTranslateCTM(gc, 0, h);
+  CGContextScaleCTM(gc, 1.0f, -1.0f);
+  CGContextSaveGState(gc);
+}
+
+void Fl_Quartz_Copy_Surface_Driver::translate(int x, int y) {
+  CGContextRestoreGState(gc);
+  CGContextSaveGState(gc);
+  CGContextTranslateCTM(gc, x, y);
+  CGContextSaveGState(gc);
+}
+
+void Fl_Quartz_Copy_Surface_Driver::untranslate() {
+  CGContextRestoreGState(gc);
+}
+
+#endif // FL_CFG_GFX_QUARTZ
+
+//
+// End of "$Id: Fl_Copy_Surface.H 11220 2016-02-26 12:51:47Z manolo $".
+//
diff --git a/src/drivers/Xlib/Fl_Xlib_Copy_Surface_Driver.cxx b/src/drivers/Xlib/Fl_Xlib_Copy_Surface_Driver.cxx
new file mode 100644
index 000000000..8615fbb8b
--- /dev/null
+++ b/src/drivers/Xlib/Fl_Xlib_Copy_Surface_Driver.cxx
@@ -0,0 +1,98 @@
+//
+// "$Id: Fl_Xlib_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_XLIB
+#include <FL/Fl_Copy_Surface.H>
+#include <FL/Fl.H>
+#include <FL/fl_draw.H>
+#include "Fl_Translated_Xlib_Graphics_Driver.H"
+
+class Fl_Xlib_Copy_Surface_Driver : public Fl_Copy_Surface_Driver {
+  friend class Fl_Copy_Surface_Driver;
+protected:
+  Fl_Offscreen xid;
+  Window oldwindow;
+  Fl_Surface_Device *_ss;
+  Fl_Xlib_Copy_Surface_Driver(int w, int h);
+  ~Fl_Xlib_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_Xlib_Copy_Surface_Driver(w, h);
+}
+
+
+Fl_Xlib_Copy_Surface_Driver::Fl_Xlib_Copy_Surface_Driver(int w, int h) : Fl_Copy_Surface_Driver(w, h) {
+  driver(new Fl_Translated_Xlib_Graphics_Driver());
+  Fl::first_window()->make_current();
+  oldwindow = fl_xid(Fl::first_window());
+  xid = fl_create_offscreen(w,h);
+  _ss = NULL;
+  Fl_Surface_Device *present_surface = Fl_Surface_Device::surface();
+  Fl_Surface_Device::set_current();
+  fl_window = xid;
+  driver()->color(FL_WHITE);
+  driver()->rectf(0, 0, w, h);
+  present_surface->set_current();
+  fl_window = oldwindow;
+}
+
+
+Fl_Xlib_Copy_Surface_Driver::~Fl_Xlib_Copy_Surface_Driver() {
+  fl_pop_clip();
+  unsigned char *data = fl_read_image(NULL,0,0,width,height,0);
+  fl_window = oldwindow;
+  _ss->set_current();
+  Fl::copy_image(data,width,height,1);
+  delete[] data;
+  fl_delete_offscreen(xid);
+}
+
+
+void Fl_Xlib_Copy_Surface_Driver::set_current() {
+  fl_window = xid;
+  if (!_ss) _ss = Fl_Surface_Device::surface();
+  Fl_Surface_Device::set_current();
+  fl_push_no_clip();
+}
+
+
+void Fl_Xlib_Copy_Surface_Driver::translate(int x, int y) {
+  ((Fl_Translated_Xlib_Graphics_Driver*)driver())->translate_all(x, y);
+}
+
+
+void Fl_Xlib_Copy_Surface_Driver::untranslate() {
+  ((Fl_Translated_Xlib_Graphics_Driver*)driver())->untranslate_all();
+}
+
+#endif // FL_CFG_GFX_XLIB
+
+//
+// End of "$Id: Fl_Copy_Surface.H 11220 2016-02-26 12:51:47Z manolo $".
+//