Adding crude Android native screen driver

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12695 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 121 insertions, 0 deletions

diff --git a/src/drivers/Android/Fl_Android_Image_Surface_Driver.cxx b/src/drivers/Android/Fl_Android_Image_Surface_Driver.cxx
new file mode 100644
index 000000000..ee19ccbd1
--- /dev/null
+++ b/src/drivers/Android/Fl_Android_Image_Surface_Driver.cxx
@@ -0,0 +1,121 @@
+//
+// "$Id: Fl_Android_Image_Surface_Driver.cxx 12653 2018-02-09 13:48:22Z manolo $"
+//
+// Draw-to-image code for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 1998-2018 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"
+
+#include "Fl_Android_Graphics_Driver.H"
+//#include "../WinAPI/Fl_WinAPI_Screen_Driver.H"
+#include <FL/Fl_Image_Surface.H>
+#include <FL/fl_draw.H>
+#include <FL/platform.H>
+//#include <windows.h>
+
+
+class Fl_Android_Image_Surface_Driver : public Fl_Image_Surface_Driver {
+#if 0
+  virtual void end_current_(Fl_Surface_Device*);
+public:
+  Window pre_window;
+  int _savedc;
+#endif
+public:
+  Fl_Android_Image_Surface_Driver(int w, int h, int high_res, Fl_Offscreen off)
+  : Fl_Image_Surface_Driver(w, h, high_res, off) {}
+#if 0
+  ~Fl_GDI_Image_Surface_Driver();
+  void set_current();
+  void translate(int x, int y);
+  void untranslate();
+  Fl_RGB_Image *image();
+  POINT origin;
+#endif
+};
+
+Fl_Image_Surface_Driver *Fl_Image_Surface_Driver::newImageSurfaceDriver(int w, int h, int high_res, Fl_Offscreen off)
+{
+  return new Fl_Android_Image_Surface_Driver(w, h, high_res, off);
+}
+
+
+#if 0
+
+
+Fl_GDI_Image_Surface_Driver::Fl_GDI_Image_Surface_Driver(int w, int h, int high_res, Fl_Offscreen off) : Fl_Image_Surface_Driver(w, h, high_res, 0) {
+  float d =  fl_graphics_driver->scale();
+  if (!off && d != 1 && high_res) {
+    w = int(w*d);
+    h = int(h*d);
+  }
+  HDC gc = (HDC)Fl_Graphics_Driver::default_driver().gc();
+  offscreen = off ? off : CreateCompatibleBitmap( (gc ? gc : fl_GetDC(0) ) , w, h);
+  if (!offscreen) offscreen = CreateCompatibleBitmap(fl_GetDC(0), w, h);
+  driver(new Fl_GDI_Graphics_Driver);
+  if (d != 1 && high_res) ((Fl_GDI_Graphics_Driver*)driver())->scale(d);
+  origin.x = origin.y = 0;
+}
+
+
+Fl_GDI_Image_Surface_Driver::~Fl_GDI_Image_Surface_Driver() {
+  if (offscreen) DeleteObject(offscreen);
+  delete driver();
+}
+
+
+void Fl_GDI_Image_Surface_Driver::set_current() {
+  HDC gc = fl_makeDC(offscreen);
+  driver()->gc(gc);
+  SetWindowOrgEx(gc, origin.x, origin.y, NULL);
+  Fl_Surface_Device::set_current();
+  pre_window = fl_window;
+  _savedc = SaveDC(gc);
+  fl_window=(HWND)offscreen;
+}
+
+
+void Fl_GDI_Image_Surface_Driver::translate(int x, int y) {
+  ((Fl_GDI_Graphics_Driver*)driver())->translate_all(x, y);
+}
+
+
+void Fl_GDI_Image_Surface_Driver::untranslate() {
+  ((Fl_GDI_Graphics_Driver*)driver())->untranslate_all();
+}
+
+
+Fl_RGB_Image* Fl_GDI_Image_Surface_Driver::image()
+{
+  Fl_RGB_Image *image = Fl::screen_driver()->read_win_rectangle( 0, 0, width, height);
+  return image;
+}
+
+
+void Fl_GDI_Image_Surface_Driver::end_current_(Fl_Surface_Device*)
+{
+  HDC gc = (HDC)driver()->gc();
+  GetWindowOrgEx(gc, &origin);
+  RestoreDC(gc, _savedc);
+  DeleteDC(gc);
+  fl_window = pre_window;
+}
+
+#endif
+
+//
+// End of "$Id: Fl_Android_Image_Surface_Driver.cxx 12653 2018-02-09 13:48:22Z manolo $".
+//