mirror of
git://source.winehq.org/git/wine.git
synced 2024-10-14 21:07:17 +00:00
401710d757
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
355 lines
9.5 KiB
C
355 lines
9.5 KiB
C
/*
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* DC clipping functions
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*
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* Copyright 1993 Alexandre Julliard
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*/
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static char Copyright[] = "Copyright Alexandre Julliard, 1993";
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#include <stdio.h>
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#include "gdi.h"
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/***********************************************************************
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* CLIPPING_UpdateGCRegion
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*
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* Update the GC clip region when the ClipRgn of VisRgn have changed.
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*/
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static void CLIPPING_UpdateGCRegion( DC * dc )
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{
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if (!dc->w.hGCClipRgn) dc->w.hGCClipRgn = CreateRectRgn(0,0,0,0);
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if (!dc->w.hVisRgn)
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{
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if (!dc->w.hClipRgn)
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{
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DeleteObject( dc->w.hGCClipRgn );
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dc->w.hGCClipRgn = 0;
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}
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else
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CombineRgn( dc->w.hGCClipRgn, dc->w.hClipRgn, 0, RGN_COPY );
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}
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else
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{
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if (!dc->w.hClipRgn)
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CombineRgn( dc->w.hGCClipRgn, dc->w.hVisRgn, 0, RGN_COPY );
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else
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CombineRgn( dc->w.hGCClipRgn, dc->w.hClipRgn, dc->w.hVisRgn, RGN_AND );
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}
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if (dc->w.hGCClipRgn)
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{
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RGNOBJ *obj = (RGNOBJ *) GDI_GetObjPtr( dc->w.hGCClipRgn, REGION_MAGIC );
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XSetClipMask( XT_display, dc->u.x.gc, obj->region.pixmap );
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XSetClipOrigin( XT_display, dc->u.x.gc,
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obj->region.box.left, obj->region.box.top );
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}
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else
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{
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XSetClipMask( XT_display, dc->u.x.gc, None );
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XSetClipOrigin( XT_display, dc->u.x.gc, 0, 0 );
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}
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}
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/***********************************************************************
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* CLIPPING_SelectRgn
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*
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* Helper function for SelectClipRgn() and SelectVisRgn().
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*/
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static int CLIPPING_SelectRgn( DC * dc, HRGN * hrgnPrev, HRGN hrgn )
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{
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int retval;
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if (hrgn)
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{
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if (!*hrgnPrev) *hrgnPrev = CreateRectRgn(0,0,0,0);
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retval = CombineRgn( *hrgnPrev, hrgn, 0, RGN_COPY );
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}
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else
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{
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if (*hrgnPrev) DeleteObject( *hrgnPrev );
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*hrgnPrev = 0;
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retval = SIMPLEREGION; /* Clip region == client area */
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}
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CLIPPING_UpdateGCRegion( dc );
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return retval;
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}
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/***********************************************************************
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* SelectClipRgn (GDI.44)
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*/
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int SelectClipRgn( HDC hdc, HRGN hrgn )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "SelectClipRgn: %d %d\n", hdc, hrgn );
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#endif
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return CLIPPING_SelectRgn( dc, &dc->w.hClipRgn, hrgn );
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}
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/***********************************************************************
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* SelectVisRgn (GDI.105)
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*/
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int SelectVisRgn( HDC hdc, HRGN hrgn )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "SelectVisRgn: %d %d\n", hdc, hrgn );
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#endif
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return CLIPPING_SelectRgn( dc, &dc->w.hVisRgn, hrgn );
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}
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/***********************************************************************
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* OffsetClipRgn (GDI.32)
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*/
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int OffsetClipRgn( HDC hdc, short x, short y )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "OffsetClipRgn: %d %d,%d\n", hdc, x, y );
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#endif
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if (dc->w.hClipRgn)
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{
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int retval = OffsetRgn( dc->w.hClipRgn, x, y );
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CLIPPING_UpdateGCRegion( dc );
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return retval;
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}
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else return SIMPLEREGION; /* Clip region == client area */
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}
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/***********************************************************************
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* OffsetVisRgn (GDI.102)
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*/
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int OffsetVisRgn( HDC hdc, short x, short y )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "OffsetVisRgn: %d %d,%d\n", hdc, x, y );
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#endif
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if (dc->w.hVisRgn)
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{
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int retval = OffsetRgn( dc->w.hVisRgn, x, y );
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CLIPPING_UpdateGCRegion( dc );
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return retval;
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}
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else return SIMPLEREGION; /* Clip region == client area */
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}
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/***********************************************************************
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* CLIPPING_IntersectRect
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*
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* Helper function for {Intersect,Exclude}{Clip,Vis}Rect
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*/
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int CLIPPING_IntersectRect( DC * dc, HRGN * hrgn, short left, short top,
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short right, short bottom, int exclude )
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{
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HRGN tempRgn, newRgn;
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RGNOBJ *newObj, *prevObj;
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int retval;
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if (!*hrgn) return NULLREGION;
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if (!(newRgn = CreateRectRgn( 0, 0, 0, 0))) return ERROR;
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if (!(tempRgn = CreateRectRgn( left, top, right, bottom )))
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{
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DeleteObject( newRgn );
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return ERROR;
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}
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retval = CombineRgn( newRgn, *hrgn, tempRgn, exclude ? RGN_DIFF : RGN_AND);
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newObj = (RGNOBJ *) GDI_GetObjPtr( newRgn, REGION_MAGIC );
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prevObj = (RGNOBJ *) GDI_GetObjPtr( *hrgn, REGION_MAGIC );
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if (newObj && prevObj) newObj->header.hNext = prevObj->header.hNext;
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DeleteObject( tempRgn );
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DeleteObject( *hrgn );
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*hrgn = newRgn;
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CLIPPING_UpdateGCRegion( dc );
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return retval;
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}
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/***********************************************************************
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* ExcludeClipRect (GDI.21)
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*/
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int ExcludeClipRect( HDC hdc, short left, short top,
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short right, short bottom )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "ExcludeClipRect: %d %dx%d,%dx%d\n",
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hdc, left, top, right, bottom );
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#endif
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return CLIPPING_IntersectRect( dc, &dc->w.hClipRgn, left, top,
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right, bottom, 1 );
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}
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/***********************************************************************
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* IntersectClipRect (GDI.22)
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*/
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int IntersectClipRect( HDC hdc, short left, short top,
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short right, short bottom )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "IntersectClipRect: %d %dx%d,%dx%d\n",
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hdc, left, top, right, bottom );
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#endif
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return CLIPPING_IntersectRect( dc, &dc->w.hClipRgn, left, top,
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right, bottom, 0 );
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}
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/***********************************************************************
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* ExcludeVisRect (GDI.73)
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*/
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int ExcludeVisRect( HDC hdc, short left, short top,
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short right, short bottom )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "ExcludeVisRect: %d %dx%d,%dx%d\n",
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hdc, left, top, right, bottom );
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#endif
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return CLIPPING_IntersectRect( dc, &dc->w.hVisRgn, left, top,
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right, bottom, 1 );
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}
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/***********************************************************************
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* IntersectVisRect (GDI.98)
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*/
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int IntersectVisRect( HDC hdc, short left, short top,
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short right, short bottom )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "IntersectVisRect: %d %dx%d,%dx%d\n",
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hdc, left, top, right, bottom );
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#endif
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return CLIPPING_IntersectRect( dc, &dc->w.hVisRgn, left, top,
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right, bottom, 0 );
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}
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/***********************************************************************
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* PtVisible (GDI.103)
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*/
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BOOL PtVisible( HDC hdc, short x, short y )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "PtVisible: %d %d,%d\n", hdc, x, y );
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#endif
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if (!dc->w.hClipRgn) return FALSE;
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return PtInRegion( dc->w.hClipRgn, x, y );
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}
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/***********************************************************************
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* RectVisible (GDI.104)
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*/
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BOOL RectVisible( HDC hdc, LPRECT rect )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "RectVisible: %d %p\n", hdc, rect );
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#endif
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if (!dc->w.hClipRgn) return FALSE;
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return RectInRegion( dc->w.hClipRgn, rect );
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}
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/***********************************************************************
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* GetClipBox (GDI.77)
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*/
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int GetClipBox( HDC hdc, LPRECT rect )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "GetClipBox: %d %p\n", hdc, rect );
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#endif
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if (dc->w.hGCClipRgn) return GetRgnBox( dc->w.hGCClipRgn, rect );
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else
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{
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Window root;
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int width, height, x, y, border, depth;
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XGetGeometry( XT_display, dc->u.x.drawable, &root, &x, &y,
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&width, &height, &border, &depth );
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rect->top = rect->left = 0;
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rect->right = width & 0xffff;
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rect->bottom = height & 0xffff;
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return SIMPLEREGION;
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}
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}
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/***********************************************************************
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* SaveVisRgn (GDI.129)
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*/
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HRGN SaveVisRgn( HDC hdc )
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{
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HRGN copy;
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RGNOBJ *obj, *copyObj;
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return 0;
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#ifdef DEBUG_CLIPPING
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printf( "SaveVisRgn: %d\n", hdc );
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#endif
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if (!dc->w.hVisRgn) return 0;
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if (!(obj = (RGNOBJ *) GDI_GetObjPtr( dc->w.hVisRgn, REGION_MAGIC )))
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return 0;
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if (!(copy = CreateRectRgn( 0, 0, 0, 0 ))) return 0;
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CombineRgn( copy, dc->w.hVisRgn, 0, RGN_COPY );
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if (!(copyObj = (RGNOBJ *) GDI_GetObjPtr( copy, REGION_MAGIC )))
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return 0;
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copyObj->header.hNext = obj->header.hNext;
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obj->header.hNext = copy;
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return copy;
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}
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/***********************************************************************
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* RestoreVisRgn (GDI.130)
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*/
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int RestoreVisRgn( HDC hdc )
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{
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HRGN saved;
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RGNOBJ *obj, *savedObj;
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "RestoreVisRgn: %d\n", hdc );
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#endif
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if (!dc->w.hVisRgn) return ERROR;
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if (!(obj = (RGNOBJ *) GDI_GetObjPtr( dc->w.hVisRgn, REGION_MAGIC )))
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return ERROR;
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if (!(saved = obj->header.hNext)) return ERROR;
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if (!(savedObj = (RGNOBJ *) GDI_GetObjPtr( saved, REGION_MAGIC )))
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return ERROR;
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DeleteObject( dc->w.hVisRgn );
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dc->w.hVisRgn = saved;
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CLIPPING_UpdateGCRegion( dc );
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return savedObj->region.type;
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}
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