Move ifdef's in RGB_Image into driver system.

- change image caching variable types to uintptr_t
- added driver function to uncache image data
- cleaning up (Xlib and GDI will likely throw syntax errors. Trying to fix ASAP)


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11138 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 106 insertions, 0 deletions

diff --git a/src/Fl_Graphics_Device.cxx b/src/Fl_Graphics_Device.cxx
new file mode 100644
index 000000000..22e17fa3a
--- /dev/null
+++ b/src/Fl_Graphics_Device.cxx
@@ -0,0 +1,106 @@
+//
+// "$Id$"
+//
+// implementation of Fl_Device class for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 2010-2012 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 to:
+//
+//     http://www.fltk.org/str.php
+//
+
+#include <FL/Fl.H>
+#include "config_lib.h"
+#include <FL/Fl_Device.H>
+#include <FL/Fl_Image.H>
+#include <FL/fl_draw.H>
+
+const char *Fl_Device::class_id = "Fl_Device";
+const char *Fl_Surface_Device::class_id = "Fl_Surface_Device";
+const char *Fl_Display_Device::class_id = "Fl_Display_Device";
+const char *Fl_Graphics_Driver::class_id = "Fl_Graphics_Driver";
+
+bool Fl_Display_Device::high_res_window_ = false;
+
+
+/** \brief Make this surface the current drawing surface.
+ This surface will receive all future graphics requests. */
+void Fl_Surface_Device::set_current(void)
+{
+  fl_graphics_driver = _driver;
+  _surface = this;
+}
+
+FL_EXPORT Fl_Graphics_Driver *fl_graphics_driver; // the current target device of graphics operations
+Fl_Surface_Device* Fl_Surface_Device::_surface; // the current target surface of graphics operations
+
+const Fl_Graphics_Driver::matrix Fl_Graphics_Driver::m0 = {1, 0, 0, 1, 0, 0};
+
+Fl_Graphics_Driver::Fl_Graphics_Driver() {
+  font_ = 0;
+  size_ = 0;
+  sptr=0; rstackptr=0; 
+  rstack[0] = NULL;
+  fl_clip_state_number=0;
+  m = m0; 
+  fl_matrix = &m; 
+  p = (XPOINT *)0;
+  font_descriptor_ = NULL;
+  p_size = 0;
+};
+
+void Fl_Graphics_Driver::text_extents(const char*t, int n, int& dx, int& dy, int& w, int& h)
+{
+  w = (int)width(t, n);
+  h = - height();
+  dx = 0;
+  dy = descent();
+}
+
+void Fl_Graphics_Driver::focus_rect(int x, int y, int w, int h)
+{
+  line_style(FL_DOT);
+  rect(x, y, w, h);
+  line_style(FL_SOLID);
+}
+
+/**  A constructor that sets the graphics driver used by the display */
+Fl_Display_Device::Fl_Display_Device(Fl_Graphics_Driver *graphics_driver) : Fl_Surface_Device(graphics_driver) {
+  this->set_current();
+};
+
+
+/** Returns the platform display device. */
+Fl_Display_Device *Fl_Display_Device::display_device() {
+  static Fl_Display_Device *display = new Fl_Display_Device(Fl_Graphics_Driver::newMainGraphicsDriver());
+  return display;
+};
+
+
+Fl_Surface_Device *Fl_Surface_Device::default_surface()
+{
+  return Fl_Display_Device::display_device();
+}
+
+
+Fl_Display_Device *Fl_Display_Device::_display = Fl_Display_Device::display_device();
+
+
+/** Draws an Fl_Image scaled to width \p W & height \p H with top-left corner at \em X,Y
+ \return zero when the graphics driver doesn't implement scaled drawing, non-zero if it does implement it.
+ */
+int Fl_Graphics_Driver::draw_scaled(Fl_Image *img, int X, int Y, int W, int H) {
+  return 0;
+}
+
+
+//
+// End of "$Id$".
+//