Release 0.3.0

Fri Sep  3 11:52:18 1993  Bob Amstadt

	* [windows/timer.c]
	Changed to use CallWindowProc() rather directly calling callback.

	* [windows/event.c]
	Implemented SetCapture() and ReleaseCapture()

	* [windows/keyboard.c]
	Created stub for GetKeyState()

	* [objects/linedda.c]
	Created stub for LineDDA()

	* [if1632/callback.c]
	Created callback handler for LineDDA callback procedure.

	* [if1632/callback.c]
	Created FreeProcInstance()

Fri Sep  3 08:36:52 1993  David Metcalfe

	* [loader/signal.c]
	Patch to and code for INT 1A

Thu Sep  2 00:31:54 1993  Alexandre Julliard

	* [objects/font.c] [objects/text.c]
	More text support: implemented justification and underlining.

	* [windows/clipping.c] [objects/clipping.c]
	Moved low-level clipping functions to objects/clipping.c.

	* [windows/clipping.c] [windows/event.c] [windows/message.c]
	Implemented window update regions.

	* [windows/dc.c] [objects/dcvalues.c]
	Moved some device-independent DC functions to objects/dcvalues.c.

	* [windows/graphics.c]
	Implemented InvertRect() and GetPixel().

Sat Aug 28 08:40:23 1993  Eric Youngdale

	* [include/neexe.h] [loader/wine.c]
	Added code to handle relocation type 4.

	* [loader/signal.h] [loader/wine.c] [loader/selector.c]
	Added support for dos interrupts.

Thu 26 Aug 19:15:00 1993  Eric Youngdale

	* [loader/selector.c]
	Fixed bug dealing with loading DLLs.

Thu Aug 26 19:22:40 1993  Alexandre Julliard

        * [include/gdi.h] [objects/font.c] [windows/dc.c]
        Beginning of real font support.

        * [windows/graphics.c]
        Implemented PatBlt().

        * [memory/global.c]
        Corrected a bug with linked list handling in GlobalAlloc().

        * [objects/bitmap.c]
        Corrected a bug in BITMAP_SelectObject().

Tue Aug 24 19:22:40 1993  David Metcalfe

        * [controls/Command*] [controls/Label*] [controls[MenuButto*]
	  [controls/SmeMenuButt*]
	Change code to support & as a special character in menu item text.

Tue Aug 24 19:22:40 1993  Alexandre Julliard

	* [include/gdi.h] [windows/dc.c]
	Heavily modified the DC structure for better device-independence.

	* [objects/bitmap.c]
	Implemented bitmap dimensions.

	* [windows/dc.c] [windows/dce.c]
	Implemented DC state saving and restoring.

	* [windows/dc.c]
	Implemented ROP mode.

	* [windows/graphics.c]
	Implemented FillRect().

Mon Aug 23 22:08:34 1993  Bob Amstadt  (bob at pooh)

	* [misc/xt.c]
	Fixed bug in InvalidateRect().  Solitaire attempted to
	clear window before it was realized.

	* [loader/resource.c]
	Began rewrite of LoadBitmap().

	* [loader/wine.c]
	Fixed code which set Argv and Argc global variables.

	* [loader/selector.c]
	Added code to set up command line arguments.

	* [include/neexe.h]
	Fixed error in PSP structure.

Tue Aug 17 20:41:12 1993  Alexandre Julliard

	* [include/gdi.h] [windows/dc.c]
	Implemented device capabilities.

	* [objects/region.c]
	Implemented EqualRgn() and CombineRgn().

	* [windows/clipping.c]
	Implemented Save/RestoreVisRgn().

	* [windows/graphics.c]
	Implemented PaintRgn() and FillRgn().

	* [windows/mapping.c]
	Implemented mapping modes.

Tue Aug 10 14:07:38 1993  Alexandre Julliard

	* [if1632/user.spec] [misc/rect.c]
	Implemented rectangle API functions.

	* [if1632/gdi.spec] [include/gdi.h] [objects/region.c]
	Implemented regions.

	* [windows/class.c]
	Corrected a typo in UnregisterClass().

	* [windows/clipping.c] [windows/dc.c]
	Implemented DC clipping and visible region.

Tue Aug 10 20:57:56 1993  Bob Amstadt  (bob at pooh)

	* [controls/menu.c] [windows/win.c]
	SetMenu(), GetMenu(), CheckMenuItem() implemented

Thu Aug  5 22:33:22 1993  Bob Amstadt  (bob at pooh)

	* [controls/menu.c] [windows/win.c]
	Many improvements menus.  LoadMenu() should work.

Wed Aug  4 14:55:36 1993  Alexandre Julliard

        * [objects/dib.c]
        Started the implementation of device-independent bitmaps.

        * [objects/bitmap.c]
        Added support for multiple bitmap depths.

        * [objects/brush.c]
        Implemented pattern brushes.

        * [windows/dc.c] [windows/graphics.c]
        Implemented some GDI graphics primitives.

Tue Aug  3 21:16:47 1993  Bob Amstadt  (bob at pooh)

	* [controls/menu.c] [windows/win.c] [include/menu.h]
	Code to load class menus from executable file.

	* [if1632/user.spec]
	Fixed specification of SendMessage() and PostMessage.

Mon Jul 26 21:53:24 1993  Alexandre Julliard

	* [if1632/call.S]
	Corrected a bug in KERNEL_InitTask().

	* [include/windows.h]
	Added a lot of constants.

	* [loader/selector.c]
	Corrected a bug in segment allocation in CreateSelectors().

	* [objects/bitmap.c]
	Implemented SelectObject() for bitmaps.

	* [objects/brush.c]
	Implemented hatched brushes and SelectObject().

	* [objects/gdiobj.c]
	Removed linked list (not needed).

	* [objects/palette.c]
	Implemented system palette creation and misc. palette API functions.

	* [windows/timer.c]
	Implemented timers.

	* [windows/dc.c]
	Implemented memory device contexts.

Tue Jul 20 10:38:59 1993  Bob Amstadt  (bob at pooh)

        * [dos.c]
	Split DOS3Call() out of kernel.c.  Added support for get date
	and time functions.

	* [call.S]
	Added function ReturnFromRegisterFunc() to allow DOS calls
	to return values in registers.

	* [regfunc.h]
	Macros to access registers saved on stack.

Tue Jul 20 10:38:59 1993  Alexandre Julliard

        * [win.c]
        Corrected allocation of the WM_CREATE data structure.

        * [dce.c] [dce.h]
        Implemented DCE handling.

        * [bitmap.c] [brush.c] [dc.c] [font.c] [gdi.h] [gdi.spec] 
          [gdiobj.c] [palette.c] [pen.c]
        Implemented the GDI objects data structures and allocation.

        * [windows.h]
        Added several structures and constants for GDI objects.

Mon Jul 19 12:51:10 1993  Bob Amstadt  (bob at pooh)

	* [ldtlib.c]
	Modified system calls to match Linus' new interface for
	the LDT modification.

	* [win.c]
	Fixed bug with WM_CREATE message.

	* [heap.c] [kernel.spec]
	Completed local heap allocation functions.

	* [global.c]
	Created function GlobalQuickAlloc() for easy allocation from DLLs
diff --git a/misc/rect.c b/misc/rect.c
new file mode 100644
index 0000000..fb96fd6
--- /dev/null
+++ b/misc/rect.c
@@ -0,0 +1,167 @@
+/*
+ * Rectangle-related functions
+ *
+ * Copyright 1993 Alexandre Julliard
+ */
+
+static char Copyright[] = "Copyright  Alexandre Julliard, 1993";
+
+#include "windows.h"
+
+#define MIN(a,b) ((a) < (b) ? (a) : (b))
+#define MAX(a,b) ((a) > (b) ? (a) : (b))
+
+
+/***********************************************************************
+ *           SetRect    (USER.72)
+ */
+void SetRect( LPRECT rect, short left, short top, short right, short bottom )
+{
+    rect->left   = left;
+    rect->right  = right;
+    rect->top    = top;
+    rect->bottom = bottom;
+}
+
+
+/***********************************************************************
+ *           SetRectEmpty    (USER.73)
+ */
+void SetRectEmpty( LPRECT rect )
+{
+    rect->left = rect->right = rect->top = rect->bottom = 0;
+}
+
+
+/***********************************************************************
+ *           CopyRect    (USER.74)
+ */
+void CopyRect( LPRECT dest, LPRECT src )
+{
+    *dest = *src;
+}
+
+
+/***********************************************************************
+ *           IsRectEmpty    (USER.75)
+ */
+BOOL IsRectEmpty( LPRECT rect )
+{
+    return ((rect->left == rect->right) || (rect->top == rect->bottom));
+}
+
+
+/***********************************************************************
+ *           PtInRect    (USER.76)
+ */
+BOOL PtInRect( LPRECT rect, POINT pt )
+{
+    return ((pt.x >= rect->left) && (pt.x < rect->right) &&
+	    (pt.y >= rect->top) && (pt.y < rect->bottom));
+}
+
+
+/***********************************************************************
+ *           OffsetRect    (USER.77)
+ */
+void OffsetRect( LPRECT rect, short x, short y )
+{
+    rect->left   += x;
+    rect->right  += x;
+    rect->top    += y;
+    rect->bottom += y;    
+}
+
+
+/***********************************************************************
+ *           InflateRect    (USER.78)
+ */
+void InflateRect( LPRECT rect, short x, short y )
+{
+    rect->right  += x;
+    rect->bottom += y;
+}
+
+
+/***********************************************************************
+ *           IntersectRect    (USER.79)
+ */
+BOOL IntersectRect( LPRECT dest, LPRECT src1, LPRECT src2 )
+{
+    if ((src1->left >= src2->right) || (src2->left >= src1->right) ||
+	(src1->top >= src2->bottom) || (src2->top >= src1->bottom))
+    {
+	SetRectEmpty( dest );
+	return FALSE;
+    }
+    dest->left   = MAX( src1->left, src2->left );
+    dest->right  = MIN( src1->right, src2->right );
+    dest->top    = MAX( src1->top, src2->top );
+    dest->bottom = MIN( src1->bottom, src2->bottom );
+    return TRUE;
+}
+
+
+/***********************************************************************
+ *           UnionRect    (USER.80)
+ */
+BOOL UnionRect( LPRECT dest, LPRECT src1, LPRECT src2 )
+{
+    if (IsRectEmpty(src1))
+    {
+	if (IsRectEmpty(src2))
+	{
+	    SetRectEmpty( dest );
+	    return FALSE;
+	}
+	else *dest = *src2;
+    }
+    else
+    {
+	if (IsRectEmpty(src2)) *dest = *src1;
+	else
+	{
+	    dest->left   = MIN( src1->left, src2->left );
+	    dest->right  = MAX( src1->right, src2->right );
+	    dest->top    = MIN( src1->top, src2->top );
+	    dest->bottom = MAX( src1->bottom, src2->bottom );	    
+	}
+    }
+    return TRUE;
+}
+
+
+/***********************************************************************
+ *           EqualRect    (USER.244)
+ */
+BOOL EqualRect( LPRECT rect1, LPRECT rect2 )
+{
+    return ((rect1->left == rect2->left) && (rect1->right == rect2->right) &&
+	    (rect1->top == rect2->top) && (rect1->bottom == rect2->bottom));
+}
+
+
+/***********************************************************************
+ *           SubtractRect    (USER.373)
+ */
+BOOL SubtractRect( LPRECT dest, LPRECT src1, LPRECT src2 )
+{
+    RECT tmp;
+    *dest = *src1;
+    if (IntersectRect( &tmp, src1, src2 ))
+    {
+	if (EqualRect( &tmp, dest )) SetRectEmpty( src1 );
+	else if ((tmp.top == dest->top) && (tmp.bottom == dest->bottom))
+	{
+	    if (tmp.left == dest->left) dest->right = tmp.right;
+	    else if (tmp.right == dest->right) dest->left = tmp.left;
+	}
+	else if ((tmp.left == dest->left) && (tmp.right == dest->right))
+	{
+	    if (tmp.top == dest->top) dest->bottom = tmp.bottom;
+	    else if (tmp.bottom == dest->bottom) dest->top = tmp.top;
+	}
+    }
+    return TRUE;
+}
+