Added FLTK.Devices.Surfaces.Image

4 files changed, 302 insertions, 0 deletions

diff --git a/src/c_fl_image_surface.cpp b/src/c_fl_image_surface.cpp
new file mode 100644
index 0000000..eb8d26e
--- /dev/null
+++ b/src/c_fl_image_surface.cpp
@@ -0,0 +1,45 @@
+
+
+#include <FL/Fl_Image_Surface.H>
+#include <FL/Fl_Widget.H>
+#include <FL/Fl_Window.H>
+#include "c_fl_image_surface.h"
+
+
+
+
+IMAGE_SURFACE new_fl_image_surface(int w, int h, int r) {
+    Fl_Image_Surface *s = new Fl_Image_Surface(w,h,r);
+    return s;
+}
+
+void free_fl_image_surface(IMAGE_SURFACE s) {
+    delete reinterpret_cast<Fl_Image_Surface*>(s);
+}
+
+
+
+
+void fl_image_surface_draw(IMAGE_SURFACE s, void * w, int dx, int dy) {
+    reinterpret_cast<Fl_Image_Surface*>(s)->draw(reinterpret_cast<Fl_Widget*>(w),dx,dy);
+}
+
+void fl_image_surface_draw_decorated_window(IMAGE_SURFACE s, void * w, int dx, int dy) {
+    reinterpret_cast<Fl_Image_Surface*>(s)->draw_decorated_window(reinterpret_cast<Fl_Window*>(w),dx,dy);
+}
+
+
+
+
+void * fl_image_surface_image(IMAGE_SURFACE s) {
+    return reinterpret_cast<Fl_Image_Surface*>(s)->image();
+}
+
+
+
+
+void fl_image_surface_set_current(IMAGE_SURFACE s) {
+    reinterpret_cast<Fl_Image_Surface*>(s)->set_current();
+}
+
+
diff --git a/src/c_fl_image_surface.h b/src/c_fl_image_surface.h
new file mode 100644
index 0000000..3ecafd3
--- /dev/null
+++ b/src/c_fl_image_surface.h
@@ -0,0 +1,31 @@
+
+
+#ifndef FL_IMAGE_SURFACE_GUARD
+#define FL_IMAGE_SURFACE_GUARD
+
+
+
+
+typedef void* IMAGE_SURFACE;
+
+
+
+
+extern "C" IMAGE_SURFACE new_fl_image_surface(int w, int h, int r);
+extern "C" void free_fl_image_surface(IMAGE_SURFACE s);
+
+
+
+
+extern "C" void fl_image_surface_draw(IMAGE_SURFACE s, void * w, int dx, int dy);
+extern "C" void fl_image_surface_draw_decorated_window(IMAGE_SURFACE s, void * w, int dx, int dy);
+
+
+extern "C" void * fl_image_surface_image(IMAGE_SURFACE s);
+
+
+extern "C" void fl_image_surface_set_current(IMAGE_SURFACE s);
+
+
+#endif
+
diff --git a/src/fltk-devices-surfaces-image.adb b/src/fltk-devices-surfaces-image.adb
new file mode 100644
index 0000000..0621e39
--- /dev/null
+++ b/src/fltk-devices-surfaces-image.adb
@@ -0,0 +1,152 @@
+
+
+with
+
+    Interfaces.C,
+    System;
+
+use type
+
+    System.Address;
+
+
+package body FLTK.Devices.Surfaces.Image is
+
+
+    function new_fl_image_surface
+           (W, H, R : in Interfaces.C.int)
+        return System.Address;
+    pragma Import (C, new_fl_image_surface, "new_fl_image_surface");
+
+    procedure free_fl_image_surface
+           (S : in System.Address);
+    pragma Import (C, free_fl_image_surface, "free_fl_image_surface");
+
+
+
+
+    procedure fl_image_surface_draw
+           (S, I   : in System.Address;
+            OX, OY : in Interfaces.C.int);
+    pragma Import (C, fl_image_surface_draw, "fl_image_surface_draw");
+
+    procedure fl_image_surface_draw_decorated_window
+           (S, I   : in System.Address;
+            OX, OY : in Interfaces.C.int);
+    pragma Import (C, fl_image_surface_draw_decorated_window,
+        "fl_image_surface_draw_decorated_window");
+
+
+
+
+    function fl_image_surface_image
+           (S : in System.Address)
+        return System.Address;
+    pragma Import (C, fl_image_surface_image, "fl_image_surface_image");
+
+
+
+
+    procedure fl_image_surface_set_current
+           (S : in System.Address);
+    pragma Import (C, fl_image_surface_set_current, "fl_image_surface_set_current");
+
+
+
+
+    procedure Finalize
+           (This : in out Image_Surface) is
+    begin
+        if  This.Void_Ptr /= System.Null_Address and then
+            This in Image_Surface'Class
+        then
+            free_fl_image_surface (This.Void_Ptr);
+            This.Void_Ptr := System.Null_Address;
+        end if;
+        Finalize (Surface_Device (This));
+    end Finalize;
+
+
+
+
+    package body Forge is
+
+        function Create
+               (W, H    : in Integer;
+                Highres : in Boolean := False)
+            return Image_Surface is
+        begin
+            return This : Image_Surface do
+                This.Void_Ptr := new_fl_image_surface
+                   (Interfaces.C.int (W),
+                    Interfaces.C.int (H),
+                    Boolean'Pos (Highres));
+                This.High := Highres;
+            end return;
+        end Create;
+
+    end Forge;
+
+
+
+
+    function Is_Highres
+           (This : in Image_Surface)
+        return Boolean is
+    begin
+        return This.High;
+    end Is_Highres;
+
+
+
+
+    procedure Draw_Widget
+           (This               : in out Image_Surface;
+            Item               : in     FLTK.Widgets.Widget'Class;
+            Offset_X, Offset_Y : in     Integer := 0) is
+    begin
+        fl_image_surface_draw
+           (This.Void_Ptr,
+            Wrapper (Item).Void_Ptr,
+            Interfaces.C.int (Offset_X),
+            Interfaces.C.int (Offset_Y));
+    end Draw_Widget;
+
+
+    procedure Draw_Decorated_Window
+           (This               : in out Image_Surface;
+            Item               : in     FLTK.Widgets.Groups.Windows.Window'Class;
+            Offset_X, Offset_Y : in     Integer := 0) is
+    begin
+        fl_image_surface_draw_decorated_window
+           (This.Void_Ptr,
+            Wrapper (Item).Void_Ptr,
+            Interfaces.C.int (Offset_X),
+            Interfaces.C.int (Offset_Y));
+    end Draw_Decorated_Window;
+
+
+
+
+    function Get_Image
+           (This : in Image_Surface)
+        return FLTK.Images.RGB.RGB_Image is
+    begin
+        return Img : FLTK.Images.RGB.RGB_Image do
+            Wrapper (Img).Void_Ptr := fl_image_surface_image (This.Void_Ptr);
+        end return;
+    end Get_Image;
+
+
+
+
+    procedure Set_Current
+           (This : in out Image_Surface) is
+    begin
+        fl_image_surface_set_current (This.Void_Ptr);
+        Current_Ptr := This'Unchecked_Access;
+    end Set_Current;
+
+
+end FLTK.Devices.Surfaces.Image;
+
diff --git a/src/fltk-devices-surfaces-image.ads b/src/fltk-devices-surfaces-image.ads
new file mode 100644
index 0000000..1c7e383
--- /dev/null
+++ b/src/fltk-devices-surfaces-image.ads
@@ -0,0 +1,74 @@
+
+
+with
+
+    FLTK.Images.RGB,
+    FLTK.Widgets.Groups.Windows;
+
+
+package FLTK.Devices.Surfaces.Image is
+
+
+    type Image_Surface is new Surface_Device with private;
+
+
+
+
+    package Forge is
+
+        function Create
+               (W, H    : in Integer;
+                Highres : in Boolean := False)
+            return Image_Surface;
+
+    end Forge;
+
+
+
+
+    function Is_Highres
+           (This : in Image_Surface)
+        return Boolean;
+
+
+
+
+    procedure Draw_Widget
+           (This               : in out Image_Surface;
+            Item               : in     FLTK.Widgets.Widget'Class;
+            Offset_X, Offset_Y : in     Integer := 0);
+
+    procedure Draw_Decorated_Window
+           (This               : in out Image_Surface;
+            Item               : in     FLTK.Widgets.Groups.Windows.Window'Class;
+            Offset_X, Offset_Y : in     Integer := 0);
+
+
+
+
+    function Get_Image
+           (This : in Image_Surface)
+        return FLTK.Images.RGB.RGB_Image;
+
+    --  Get_Highres_Image
+
+
+
+
+    procedure Set_Current
+           (This : in out Image_Surface);
+
+
+private
+
+
+    type Image_Surface is new Surface_Device with record
+        High : Boolean := False;
+    end record;
+
+    overriding procedure Finalize
+           (This : in out Image_Surface);
+
+
+end FLTK.Devices.Surfaces.Image;
+