1993-09-04 12:09:32 +02:00
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/*
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* GDI region objects
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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 <stdlib.h>
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#include <stdio.h>
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#include "gdi.h"
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/* GC used for region operations */
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static GC regionGC = 0;
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/***********************************************************************
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* REGION_Init
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*/
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BOOL REGION_Init()
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{
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Pixmap tmpPixmap;
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/* CreateGC needs a drawable */
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tmpPixmap = XCreatePixmap( XT_display, DefaultRootWindow(XT_display),
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1, 1, 1 );
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if (tmpPixmap)
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{
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regionGC = XCreateGC( XT_display, tmpPixmap, 0, NULL );
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XFreePixmap( XT_display, tmpPixmap );
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if (!regionGC) return FALSE;
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XSetForeground( XT_display, regionGC, 1 );
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Release 0.5
Sun Jan 2 12:38:53 1994 David Metcalfe <david@prism.demon.co.uk>
* [windows/class.c]
Implemented GetClassName and GetClassInfo.
* [windows/caret.c]
Various improvements to text caret code.
Fri Dec 31 15:22:22 1993 John Brezak <brezak@apollo.hp.com>
* [misc/comm.c]
Patches to work with NetBSD.
Thu Dec 30 12:11:55 1993 John Richardson <jrichard@cs.uml.edu>
* [objects/bitblt.c] Added StretchBlt().
Tue Jan 4 05:22:07 1994 julliard@di.epfl.ch (Alexandre Julliard)
* [misc/user.c]
Added creation of system message queue.
* [objects/bitmap.c] [objects/dcvalues.c] [windows/dc.c]
Added DC size fields into DC structure.
* [objects/clipping.c]
Bug fix in CLIPPING_IntersectRect().
* [windows/class.c]
Allocate a DCE instead of a DC for CS_CLASSDC classes.
* [windows/clipping.c]
Fixed GetUpdateRect() and GetUpdateRgn() to clip to the client area.
* [windows/dce.c]
Implemented GetDCEx() and GetWindowDC().
* [windows/defwnd.c]
Implemented WM_WINDOWPOSCHANGED handling.
* [windows/event.c]
Preliminary support for Xlib event handling instead of Xt callbacks.
Changed MSG_AddMsg() calls to hardware_event() or PostMessage().
* [windows/message.c]
Preliminary support for multiple message queues.
Implemented hardware_event() to store messages into the system queue.
Implemented Get/SetTaskQueue().
Better WM_PAINT and WM_TIMER handling.
Changes to use Xlib instead of Xt for events.
* [windows/painting.c]
Use GetDCEx() to retrieve the DC, to get a correct visible region.
* [windows/timer.c]
Moved the timer procedure callback into DispatchMessage().
Changed implementation to get rid of Xt timeouts. Timer checking
is now done inside GetMessage().
* [windows/win.c]
Allocate a DCE instead of a DC for CS_OWNDC windows.
Replaced Xt calls with Xlib calls.
Moved window positioning functions into windows/winpos.c
* [windows/winpos.c] (New file)
Rewritten most of the window positioning functions.
Implemented SetWindowPos() and MapWindowPoints().
Jan 3, 94 martin2@trgcorp.solucorp.qc.ca (Martin Ayotte)
* [if1632/user.spec]
Bad arguments description for function SetDlgItemText.
* [objects/text.c]
Function DrawText now handle DT_CALCRECT request.
* [misc/message.c]
Message boxes now use DrawText with DT_CALCRECT.
* [windows/graphics.c]
Bug fix in function FrameRect, (it was using PEN instead of BRUSH).
* [windows/win.c]
Bug fix for flags in function ShowWindow.
More accurate WM_SIZE generated by function ShowWindow.
* [controls/listbox.c]
More code for LBS_MULTIPLESEL.
More code for LBS_MULTICOLUMN.
* [include/windows.h]
Bad define for MF_SEPARATOR.
* [controls/menu.c]
New functions: PopMenuWndProc() with 'glues',
CreatePopupMenu(), AppendMenu(), InsertMenu(), RemoveMenu(),
DeleteMenu(), ModifyMenu(), TrackPopupMenu().
Code in stubs: CreateMenu(), DestroyMenu().
Sat Jan 1 10:22:43 1994 Bob Amstadt (bob@pooh)
* loader/wine.c: Added support for relocation types 5 and 6.
Mon Dec 27 11:06:03 1993 Erik Bos (erik@trashcan.hacktic.nl)
* [misc/comm.c]
new functions: BuildCommDCB(), OpenComm(), CloseComm(),
SetCommBreak(), ClearCommBreak(), EscapeCommFunction(), FlushComm(),
GetCommError(), SetCommEventMask(), GetCommEventMask(),
SetCommState(), GetCommState(), TransmitCommChar(), ReadComm(),
WriteComm().
Wed Dec 22 13:00:15 1993 David Metcalfe <david@prism.demon.co.uk>
* [windows/caret.c]
Implemented text caret functions.
Tue Dec 21 06:13:58 1993 julliard@di.epfl.ch (Alexandre Julliard)
* [loader/wine.c]
Bug fix in LoadImage().
* [objects/bitblt.c] [objects/clipping.c] [objects/text.c]
[windows/dc.c] [windows/dce.c] [windows/graphics.c]
Modified graphics calls to take into account the DC origin.
* [windows/defwnd.c]
Added preliminary WM_NCCALCSIZE handling.
* [windows/event.c]
Send WM_NCCALCSIZE message on resize event.
* [windows/win.c]
Send WM_NCCALCSIZE message in CreateWindow().
Realize widgets at creation time (should prevent problems with
unrealized widgets).
Dec 19, 93 martin2@trgcorp.solucorp.qc.ca (Martin Ayotte)
* [controls/static.c]
Send mouse & keyboard message received to its parent.
* [controls/scroll.c]
Send keyboard message received to its parent.
* [controls/listbox.c]
Add Navigation keys .
ListBox now use VSCROLL & HSCROLL instead of children.
Alpha version of LBS_MULTIPLESEL.
Alpha version of LBS_MULTICOLUMN.
* [controls/combo.c]
Add Navigation keys on closed ComboBox.
Remove useless 'COMBOBOX_CreateComboBox' function.
Mon Dec 19 20:39:34 1993 Erik Bos (erik@trashcan.hacktic.nl)
* [loader/wine.
LoadImage() modified to use FindFile().
* [misc/file.c]
SetErrorMode added
* [misc/dos_fs.c]
bug fixes.
Dec 13, 93 martin2@trgcorp.solucorp.qc.ca (Martin Ayotte)
* [memory/global.c]
bug fix in GlobalGetFreeSegment : good ptr in 'g_prev'.
* [sysres.dll]
preliminary version of a 'glass of wine' bitmap
* [windows/event.c]
New function 'GetCapture'.
* [controls/scroll.c]
Remove useless 'SCROLLBAR_CreateScrollBar' function.
* [controls/listbox.c]
Remove useless 'LISTBOX_CreateListBox' function.
Mon Dec 13 13:51:00 1993 David Metcalfe <david@prism.demon.co.uk>
* [objects/font.c]
Corrected bugs in GetCharWidth().
* [windows/event.c]
Modified EVENT_key to send Windows virtual key codes for
WM_KEYDOWN and WM_KEYUP messages, and a WM_CHAR message
for printable characters.
Wed Dec 08 19:20:00 1993 Karl Guenter Wuensch (hn324wu@unidui.uni-duisburg.de)
* [windows/graphics.c]
Added Polyline and Polygon
Mon Dec 13 14:51:54 1993 Erik Bos (erik@trashcan.hacktic.nl)
* [controls/listbox.c]
ListBoxDirectory() modified to use dos_fs.c's functions to
access files&|drives.
Sat Dec 04 17:04:23 1993 Erik Bos (erik@trashcan.hacktic.nl)
* [misc/dos_fs.c]
Added FindFile() to search a file in a dos/unix style path.
* [misc/file.c]
New Win31 functions: OpenFile, _lcreate, _llseek, GetTempDrive,
GetTempFileName, GetWindowsDirectory, GetSystemDirectory,
GetDriveType.
* [misc/int21.c]
Modified.
Wed Dec 1 16:20:45 1993 Miguel de Icaza (miguel@roxanne.nuclecu.unam.mx)
* [misc/profile.c]
The Profile functions now return the correct values. They now
implement all the features described in the SDK.
Tue Nov 30 13:55:27 1993 Bob Amstadt (bob at amscons)
* [loader/selector.c]
Rewrote selector aliasing routines to use System V IPC
routine to alias memory segments.
Nov 28, 93 martin2@trgcorp.solucorp.qc.ca (Martin Ayotte)
* [controls/listbox.c]
More consistency in functions using wIndexes
* [controls/scroll.c]
New function : ShowScrollBar().
* [loader/cursor.c] ... New file
Move cursor functions from [loader/resource.c].
New function : ClipCursor().
New function : GetClipCursor().
New function : CreateCursor().
SetCursor() now working using gloabal variable 'winHasCursor'.
*[object/palette.c]
New stub only : SelectPalette().
New stub only : RealizePalette().
*[win/event.c]
New function : EVENT_enter_notify(),
update 'winHasCursor' and send WM_SETCURSOR.
*[win/defwnd.c]
Add processing of WM_SETCURSOR message.
*[win/win.c]
New members in WND structure : hCursor, hWndVScroll & hWndHScroll.
CreateWindowEx() now create children for WM_HSCROLL & WM_VSCROLL.
New function ClientToScreen().
New function ScreenToClient().
Mon Nov 25 18:25:40 1993 Erik Bos (erik@trashcan.hacktic.nl)
* [files.h / regfunc.h / misc/dos.c]
Removed.
* [misc/dos_fs.c]
Added support for loading dosdrive cfg from wine.ini.
* [misc/int21.c]
Modified.
Wed Nov 24 11:37:33 1993 julliard@disuns2.epfl.ch (Alexandre Julliard)
* [include/atom.h] [memory/atom.c]
Implemented atoms.
* [windows/class.c]
Modified RegisterClass() to use atoms.
Implemented CS_GLOBALCLASS style.
* [windows/message.c]
Implemented RegisterWindowMessage().
* [loader/resource.c]
Bug fix in LoadResource().
* [windows/dialog.c]
Modified CreateDialogParam() to use Find/LoadResource().
1994-01-04 21:14:34 +01:00
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XSetGraphicsExposures( XT_display, regionGC, False );
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1993-09-04 12:09:32 +02:00
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return TRUE;
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}
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else return FALSE;
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}
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/***********************************************************************
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* REGION_SetRect
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*
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* Set the bounding box of the region and create the pixmap.
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* The hrgn must be valid.
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*/
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static BOOL REGION_SetRect( HRGN hrgn, LPRECT rect )
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{
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int width, height;
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/* Fill region */
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REGION * region = &((RGNOBJ *)GDI_HEAP_ADDR( hrgn ))->region;
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width = rect->right - rect->left;
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height = rect->bottom - rect->top;
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if ((width <= 0) || (height <= 0))
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{
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region->type = NULLREGION;
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region->box.left = 0;
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region->box.right = 0;
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region->box.top = 0;
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region->box.bottom = 0;
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region->pixmap = 0;
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return TRUE;
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}
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region->type = SIMPLEREGION;
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region->box = *rect;
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/* Create pixmap */
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region->pixmap = XCreatePixmap( XT_display, DefaultRootWindow(XT_display),
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width, height, 1 );
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if (!region->pixmap) return FALSE;
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/* Fill pixmap */
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XSetFunction( XT_display, regionGC, GXclear );
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XFillRectangle( XT_display, region->pixmap, regionGC,
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0, 0, width, height );
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return TRUE;
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}
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/***********************************************************************
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* REGION_DeleteObject
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*/
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BOOL REGION_DeleteObject( HRGN hrgn, RGNOBJ * obj )
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{
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if (obj->region.pixmap) XFreePixmap( XT_display, obj->region.pixmap );
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return GDI_FreeObject( hrgn );
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}
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/***********************************************************************
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* OffsetRgn (GDI.101)
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*/
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int OffsetRgn( HRGN hrgn, short x, short y )
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{
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RGNOBJ * obj = (RGNOBJ *) GDI_GetObjPtr( hrgn, REGION_MAGIC );
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if (!obj) return ERROR;
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#ifdef DEBUG_REGION
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printf( "OffsetRgn: %d %d,%d\n", hrgn, x, y );
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#endif
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OffsetRect( &obj->region.box, x, y );
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return obj->region.type;
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}
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/***********************************************************************
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* GetRgnBox (GDI.134)
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*/
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int GetRgnBox( HRGN hrgn, LPRECT rect )
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{
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RGNOBJ * obj = (RGNOBJ *) GDI_GetObjPtr( hrgn, REGION_MAGIC );
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if (!obj) return ERROR;
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#ifdef DEBUG_REGION
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printf( "GetRgnBox: %d\n", hrgn );
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#endif
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*rect = obj->region.box;
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return obj->region.type;
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}
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/***********************************************************************
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* CreateRectRgn (GDI.64)
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*/
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HRGN CreateRectRgn( short left, short top, short right, short bottom )
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{
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RECT rect = { left, top, right, bottom };
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return CreateRectRgnIndirect( &rect );
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}
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/***********************************************************************
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* CreateRectRgnIndirect (GDI.65)
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*/
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HRGN CreateRectRgnIndirect( LPRECT rect )
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{
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RGNOBJ * rgnObj;
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HRGN hrgn;
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#ifdef DEBUG_REGION
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printf( "CreateRectRgnIndirect: %d,%d-%d,%d\n",
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rect->left, rect->top, rect->right, rect->bottom );
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#endif
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/* Create region */
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if (!(hrgn = GDI_AllocObject( sizeof(RGNOBJ), REGION_MAGIC ))) return 0;
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if (!REGION_SetRect( hrgn, rect ))
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{
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GDI_FreeObject( hrgn );
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return 0;
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}
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rgnObj = (RGNOBJ *) GDI_HEAP_ADDR( hrgn );
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/* Fill pixmap */
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if (rgnObj->region.type != NULLREGION)
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{
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int width = rgnObj->region.box.right - rgnObj->region.box.left;
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int height = rgnObj->region.box.bottom - rgnObj->region.box.top;
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XSetFunction( XT_display, regionGC, GXcopy );
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XFillRectangle( XT_display, rgnObj->region.pixmap, regionGC,
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0, 0, width, height );
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}
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return hrgn;
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}
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/***********************************************************************
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* CreateRoundRectRgn (GDI.444)
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*/
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HRGN CreateRoundRectRgn( short left, short top, short right, short bottom,
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short ellipse_width, short ellipse_height )
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{
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RECT rect = { left, top, right, bottom };
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RGNOBJ * rgnObj;
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HRGN hrgn;
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#ifdef DEBUG_REGION
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printf( "CreateRoundRectRgn: %d,%d-%d,%d %dx%d\n",
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left, top, right, bottom, ellipse_width, ellipse_height );
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#endif
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/* Create region */
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if (!(hrgn = GDI_AllocObject( sizeof(RGNOBJ), REGION_MAGIC ))) return 0;
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if (!REGION_SetRect( hrgn, &rect ))
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{
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GDI_FreeObject( hrgn );
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return 0;
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}
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rgnObj = (RGNOBJ *) GDI_HEAP_ADDR( hrgn );
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/* Fill pixmap */
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if (rgnObj->region.type != NULLREGION)
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{
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int width = rgnObj->region.box.right - rgnObj->region.box.left;
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int height = rgnObj->region.box.bottom - rgnObj->region.box.top;
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XSetFunction( XT_display, regionGC, GXcopy );
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XFillRectangle( XT_display, rgnObj->region.pixmap, regionGC,
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0, ellipse_height / 2,
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width, height - ellipse_height );
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XFillRectangle( XT_display, rgnObj->region.pixmap, regionGC,
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ellipse_width / 2, 0,
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width - ellipse_width, height );
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XFillArc( XT_display, rgnObj->region.pixmap, regionGC,
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0, 0,
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ellipse_width, ellipse_height, 0, 360*64 );
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XFillArc( XT_display, rgnObj->region.pixmap, regionGC,
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width - ellipse_width, 0,
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ellipse_width, ellipse_height, 0, 360*64 );
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XFillArc( XT_display, rgnObj->region.pixmap, regionGC,
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0, height - ellipse_height,
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ellipse_width, ellipse_height, 0, 360*64 );
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XFillArc( XT_display, rgnObj->region.pixmap, regionGC,
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width - ellipse_width, height - ellipse_height,
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ellipse_width, ellipse_height, 0, 360*64 );
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}
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return hrgn;
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}
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/***********************************************************************
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* SetRectRgn (GDI.172)
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*/
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void SetRectRgn( HRGN hrgn, short left, short top, short right, short bottom )
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{
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RECT rect = { left, top, right, bottom };
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RGNOBJ * rgnObj;
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#ifdef DEBUG_REGION
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printf( "SetRectRgn: %d %d,%d-%d,%d\n", hrgn, left, top, right, bottom );
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#endif
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/* Free previous pixmap */
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if (!(rgnObj = (RGNOBJ *) GDI_GetObjPtr( hrgn, REGION_MAGIC ))) return;
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if (rgnObj->region.pixmap)
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XFreePixmap( XT_display, rgnObj->region.pixmap );
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if (!REGION_SetRect( hrgn, &rect )) return;
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/* Fill pixmap */
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if (rgnObj->region.type != NULLREGION)
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{
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int width = rgnObj->region.box.right - rgnObj->region.box.left;
|
|
|
|
int height = rgnObj->region.box.bottom - rgnObj->region.box.top;
|
|
|
|
XSetFunction( XT_display, regionGC, GXcopy );
|
|
|
|
XFillRectangle( XT_display, rgnObj->region.pixmap, regionGC,
|
|
|
|
0, 0, width, height );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* CreateEllipticRgn (GDI.54)
|
|
|
|
*/
|
|
|
|
HRGN CreateEllipticRgn( short left, short top, short right, short bottom )
|
|
|
|
{
|
|
|
|
RECT rect = { left, top, right, bottom };
|
|
|
|
return CreateEllipticRgnIndirect( &rect );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* CreateEllipticRgnIndirect (GDI.55)
|
|
|
|
*/
|
|
|
|
HRGN CreateEllipticRgnIndirect( LPRECT rect )
|
|
|
|
{
|
|
|
|
RGNOBJ * rgnObj;
|
|
|
|
HRGN hrgn;
|
|
|
|
|
|
|
|
#ifdef DEBUG_REGION
|
|
|
|
printf( "CreateEllipticRgnIndirect: %d,%d-%d,%d\n",
|
|
|
|
rect->left, rect->top, rect->right, rect->bottom );
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* Create region */
|
|
|
|
|
|
|
|
if (!(hrgn = GDI_AllocObject( sizeof(RGNOBJ), REGION_MAGIC ))) return 0;
|
|
|
|
if (!REGION_SetRect( hrgn, rect ))
|
|
|
|
{
|
|
|
|
GDI_FreeObject( hrgn );
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
rgnObj = (RGNOBJ *) GDI_HEAP_ADDR( hrgn );
|
|
|
|
|
|
|
|
/* Fill pixmap */
|
|
|
|
|
|
|
|
if (rgnObj->region.type != NULLREGION)
|
|
|
|
{
|
|
|
|
int width = rgnObj->region.box.right - rgnObj->region.box.left;
|
|
|
|
int height = rgnObj->region.box.bottom - rgnObj->region.box.top;
|
|
|
|
XSetFunction( XT_display, regionGC, GXcopy );
|
|
|
|
XFillArc( XT_display, rgnObj->region.pixmap, regionGC,
|
|
|
|
0, 0, width, height, 0, 360*64 );
|
|
|
|
}
|
|
|
|
|
|
|
|
return hrgn;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* CreatePolygonRgn (GDI.63)
|
|
|
|
*/
|
|
|
|
HRGN CreatePolygonRgn( POINT * points, short count, short mode )
|
|
|
|
{
|
|
|
|
return CreatePolyPolygonRgn( points, &count, 1, mode );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* CreatePolyPolygonRgn (GDI.451)
|
|
|
|
*/
|
|
|
|
HRGN CreatePolyPolygonRgn( POINT * points, short * count,
|
|
|
|
short nbpolygons, short mode )
|
|
|
|
{
|
|
|
|
RGNOBJ * rgnObj;
|
|
|
|
HRGN hrgn;
|
|
|
|
RECT box;
|
|
|
|
int i, j, totalPoints;
|
|
|
|
POINT * pt;
|
|
|
|
XPoint * xpoints;
|
|
|
|
|
|
|
|
if (!nbpolygons) return 0;
|
|
|
|
#ifdef DEBUG_REGION
|
|
|
|
printf( "CreatePolyPolygonRgn: %d polygons\n", nbpolygons );
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* Find bounding box */
|
|
|
|
|
|
|
|
box.top = box.left = 32767;
|
|
|
|
box.right = box.bottom = 0;
|
|
|
|
for (i = totalPoints = 0, pt = points; i < nbpolygons; i++)
|
|
|
|
{
|
|
|
|
totalPoints += count[i];
|
|
|
|
for (j = 0; j < count[i]; j++, pt++)
|
|
|
|
{
|
|
|
|
if (pt->x < box.left) box.left = pt->x;
|
|
|
|
if (pt->x > box.right) box.right = pt->x;
|
|
|
|
if (pt->y < box.top) box.top = pt->y;
|
|
|
|
if (pt->y > box.bottom) box.bottom = pt->y;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (!totalPoints) return 0;
|
|
|
|
|
|
|
|
/* Build points array */
|
|
|
|
|
|
|
|
xpoints = (XPoint *) malloc( sizeof(XPoint) * totalPoints );
|
|
|
|
if (!xpoints) return 0;
|
|
|
|
for (i = 0, pt = points; i < totalPoints; i++, pt++)
|
|
|
|
{
|
|
|
|
xpoints[i].x = pt->x - box.left;
|
|
|
|
xpoints[i].y = pt->y - box.top;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Create region */
|
|
|
|
|
|
|
|
if (!(hrgn = GDI_AllocObject( sizeof(RGNOBJ), REGION_MAGIC )) ||
|
|
|
|
!REGION_SetRect( hrgn, &box ))
|
|
|
|
{
|
|
|
|
if (hrgn) GDI_FreeObject( hrgn );
|
|
|
|
free( xpoints );
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
rgnObj = (RGNOBJ *) GDI_HEAP_ADDR( hrgn );
|
|
|
|
|
|
|
|
/* Fill pixmap */
|
|
|
|
|
|
|
|
if (rgnObj->region.type != NULLREGION)
|
|
|
|
{
|
|
|
|
XSetFunction( XT_display, regionGC, GXcopy );
|
|
|
|
if (mode == WINDING) XSetFillRule( XT_display, regionGC, WindingRule );
|
|
|
|
else XSetFillRule( XT_display, regionGC, EvenOddRule );
|
|
|
|
for (i = j = 0; i < nbpolygons; i++)
|
|
|
|
{
|
|
|
|
XFillPolygon( XT_display, rgnObj->region.pixmap, regionGC,
|
|
|
|
&xpoints[j], count[i], Complex, CoordModeOrigin );
|
|
|
|
j += count[i];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
free( xpoints );
|
|
|
|
return hrgn;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* PtInRegion (GDI.161)
|
|
|
|
*/
|
|
|
|
BOOL PtInRegion( HRGN hrgn, short x, short y )
|
|
|
|
{
|
|
|
|
XImage * image;
|
|
|
|
BOOL res;
|
|
|
|
RGNOBJ * obj;
|
|
|
|
POINT pt = { x, y };
|
|
|
|
|
|
|
|
if (!(obj = (RGNOBJ *) GDI_GetObjPtr( hrgn, REGION_MAGIC ))) return FALSE;
|
|
|
|
if (!PtInRect( &obj->region.box, pt )) return FALSE;
|
|
|
|
image = XGetImage( XT_display, obj->region.pixmap,
|
|
|
|
x - obj->region.box.left, y - obj->region.box.top,
|
|
|
|
1, 1, AllPlanes, ZPixmap );
|
|
|
|
if (!image) return FALSE;
|
|
|
|
res = (XGetPixel( image, 0, 0 ) != 0);
|
|
|
|
XDestroyImage( image );
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* RectInRegion (GDI.181)
|
|
|
|
*/
|
|
|
|
BOOL RectInRegion( HRGN hrgn, LPRECT rect )
|
|
|
|
{
|
|
|
|
XImage * image;
|
|
|
|
RGNOBJ * obj;
|
|
|
|
RECT intersect;
|
|
|
|
int x, y;
|
|
|
|
|
|
|
|
if (!(obj = (RGNOBJ *) GDI_GetObjPtr( hrgn, REGION_MAGIC ))) return FALSE;
|
|
|
|
if (!IntersectRect( &intersect, &obj->region.box, rect )) return FALSE;
|
|
|
|
|
|
|
|
image = XGetImage( XT_display, obj->region.pixmap,
|
|
|
|
intersect.left - obj->region.box.left,
|
|
|
|
intersect.top - obj->region.box.top,
|
|
|
|
intersect.right - intersect.left,
|
|
|
|
intersect.bottom - intersect.top,
|
|
|
|
AllPlanes, ZPixmap );
|
|
|
|
if (!image) return FALSE;
|
|
|
|
for (y = 0; y < image->height; y++)
|
|
|
|
for (x = 0; x < image->width; x++)
|
|
|
|
if (XGetPixel( image, x, y ) != 0)
|
|
|
|
{
|
|
|
|
XDestroyImage( image );
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
XDestroyImage( image );
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* EqualRgn (GDI.72)
|
|
|
|
*/
|
|
|
|
BOOL EqualRgn( HRGN rgn1, HRGN rgn2 )
|
|
|
|
{
|
|
|
|
RGNOBJ *obj1, *obj2;
|
|
|
|
XImage *image1, *image2;
|
|
|
|
int width, height, x, y;
|
|
|
|
|
|
|
|
/* Compare bounding boxes */
|
|
|
|
|
|
|
|
if (!(obj1 = (RGNOBJ *) GDI_GetObjPtr( rgn1, REGION_MAGIC ))) return FALSE;
|
|
|
|
if (!(obj2 = (RGNOBJ *) GDI_GetObjPtr( rgn2, REGION_MAGIC ))) return FALSE;
|
|
|
|
if (obj1->region.type == NULLREGION)
|
|
|
|
return (obj2->region.type == NULLREGION);
|
|
|
|
else if (obj2->region.type == NULLREGION) return FALSE;
|
|
|
|
if (!EqualRect( &obj1->region.box, &obj2->region.box )) return FALSE;
|
|
|
|
|
|
|
|
/* Get pixmap contents */
|
|
|
|
|
|
|
|
width = obj1->region.box.right - obj1->region.box.left;
|
|
|
|
height = obj1->region.box.bottom - obj1->region.box.top;
|
|
|
|
image1 = XGetImage( XT_display, obj1->region.pixmap,
|
|
|
|
0, 0, width, height, AllPlanes, ZPixmap );
|
|
|
|
if (!image1) return FALSE;
|
|
|
|
image2 = XGetImage( XT_display, obj2->region.pixmap,
|
|
|
|
0, 0, width, height, AllPlanes, ZPixmap );
|
|
|
|
if (!image2)
|
|
|
|
{
|
|
|
|
XDestroyImage( image1 );
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Compare pixmaps */
|
|
|
|
for (y = 0; y < height; y++)
|
|
|
|
for (x = 0; x < width; x++)
|
|
|
|
if (XGetPixel( image1, x, y ) != XGetPixel( image2, x, y))
|
|
|
|
{
|
|
|
|
XDestroyImage( image1 );
|
|
|
|
XDestroyImage( image2 );
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
XDestroyImage( image1 );
|
|
|
|
XDestroyImage( image2 );
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* REGION_CopyIntersection
|
|
|
|
*
|
|
|
|
* Copy to dest->pixmap the area of src->pixmap delimited by
|
|
|
|
* the intersection of dest and src regions, using the current GC function.
|
|
|
|
*/
|
|
|
|
void REGION_CopyIntersection( REGION * dest, REGION * src )
|
|
|
|
{
|
|
|
|
RECT inter;
|
|
|
|
if (!IntersectRect( &inter, &dest->box, &src->box )) return;
|
|
|
|
XCopyArea( XT_display, src->pixmap, dest->pixmap, regionGC,
|
|
|
|
inter.left - src->box.left, inter.top - src->box.top,
|
|
|
|
inter.right - inter.left, inter.bottom - inter.top,
|
|
|
|
inter.left - dest->box.left, inter.top - dest->box.top );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* CombineRgn (GDI.451)
|
|
|
|
*/
|
|
|
|
int CombineRgn( HRGN hDest, HRGN hSrc1, HRGN hSrc2, short mode )
|
|
|
|
{
|
|
|
|
RGNOBJ *destObj, *src1Obj, *src2Obj;
|
|
|
|
REGION * region;
|
|
|
|
int width, height;
|
|
|
|
BOOL res;
|
|
|
|
|
|
|
|
#ifdef DEBUG_REGION
|
|
|
|
printf( "CombineRgn: %d %d %d %d\n", hDest, hSrc1, hSrc2, mode );
|
|
|
|
#endif
|
|
|
|
|
|
|
|
if (!(destObj = (RGNOBJ *) GDI_GetObjPtr( hDest, REGION_MAGIC )))
|
|
|
|
return ERROR;
|
|
|
|
if (!(src1Obj = (RGNOBJ *) GDI_GetObjPtr( hSrc1, REGION_MAGIC )))
|
|
|
|
return ERROR;
|
|
|
|
if (mode != RGN_COPY)
|
|
|
|
if (!(src2Obj = (RGNOBJ *) GDI_GetObjPtr( hSrc2, REGION_MAGIC )))
|
|
|
|
return ERROR;
|
|
|
|
region = &destObj->region;
|
|
|
|
|
|
|
|
switch(mode)
|
|
|
|
{
|
|
|
|
case RGN_AND:
|
|
|
|
res = IntersectRect( ®ion->box, &src1Obj->region.box,
|
|
|
|
&src2Obj->region.box );
|
1993-09-29 13:21:49 +01:00
|
|
|
region->type = COMPLEXREGION;
|
1993-09-04 12:09:32 +02:00
|
|
|
break;
|
|
|
|
|
|
|
|
case RGN_OR:
|
|
|
|
case RGN_XOR:
|
|
|
|
res = UnionRect( ®ion->box, &src1Obj->region.box,
|
|
|
|
&src2Obj->region.box );
|
1993-09-29 13:21:49 +01:00
|
|
|
region->type = COMPLEXREGION;
|
1993-09-04 12:09:32 +02:00
|
|
|
break;
|
|
|
|
|
|
|
|
case RGN_DIFF:
|
|
|
|
res = SubtractRect( ®ion->box, &src1Obj->region.box,
|
|
|
|
&src2Obj->region.box );
|
1993-09-29 13:21:49 +01:00
|
|
|
region->type = COMPLEXREGION;
|
1993-09-04 12:09:32 +02:00
|
|
|
break;
|
|
|
|
|
|
|
|
case RGN_COPY:
|
|
|
|
region->box = src1Obj->region.box;
|
|
|
|
region->type = src1Obj->region.type;
|
|
|
|
res = (region->type != NULLREGION);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
return ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (region->pixmap) XFreePixmap( XT_display, region->pixmap );
|
|
|
|
if (!res)
|
|
|
|
{
|
|
|
|
region->type = NULLREGION;
|
|
|
|
region->pixmap = 0;
|
|
|
|
return NULLREGION;
|
|
|
|
}
|
|
|
|
|
|
|
|
width = region->box.right - region->box.left;
|
|
|
|
height = region->box.bottom - region->box.top;
|
|
|
|
region->pixmap = XCreatePixmap( XT_display, DefaultRootWindow(XT_display),
|
|
|
|
width, height, 1 );
|
|
|
|
|
|
|
|
switch(mode)
|
|
|
|
{
|
|
|
|
case RGN_AND:
|
|
|
|
XSetFunction( XT_display, regionGC, GXcopy );
|
|
|
|
REGION_CopyIntersection( region, &src1Obj->region );
|
|
|
|
XSetFunction( XT_display, regionGC, GXand );
|
|
|
|
REGION_CopyIntersection( region, &src2Obj->region );
|
1993-09-29 13:21:49 +01:00
|
|
|
break;
|
1993-09-04 12:09:32 +02:00
|
|
|
|
|
|
|
case RGN_OR:
|
|
|
|
case RGN_XOR:
|
|
|
|
XSetFunction( XT_display, regionGC, GXclear );
|
|
|
|
XFillRectangle( XT_display, region->pixmap, regionGC,
|
|
|
|
0, 0, width, height );
|
|
|
|
XSetFunction( XT_display, regionGC, (mode == RGN_OR) ? GXor : GXxor);
|
|
|
|
REGION_CopyIntersection( region, &src1Obj->region );
|
|
|
|
REGION_CopyIntersection( region, &src2Obj->region );
|
1993-09-29 13:21:49 +01:00
|
|
|
break;
|
1993-09-04 12:09:32 +02:00
|
|
|
|
|
|
|
case RGN_DIFF:
|
|
|
|
XSetFunction( XT_display, regionGC, GXclear );
|
|
|
|
XFillRectangle( XT_display, region->pixmap, regionGC,
|
|
|
|
0, 0, width, height );
|
|
|
|
XSetFunction( XT_display, regionGC, GXcopy );
|
|
|
|
REGION_CopyIntersection( region, &src1Obj->region );
|
|
|
|
XSetFunction( XT_display, regionGC, GXandInverted );
|
|
|
|
REGION_CopyIntersection( region, &src2Obj->region );
|
1993-09-29 13:21:49 +01:00
|
|
|
break;
|
1993-09-04 12:09:32 +02:00
|
|
|
|
|
|
|
case RGN_COPY:
|
|
|
|
XSetFunction( XT_display, regionGC, GXcopy );
|
|
|
|
XCopyArea( XT_display, src1Obj->region.pixmap, region->pixmap,
|
|
|
|
regionGC, 0, 0, width, height, 0, 0 );
|
1993-09-29 13:21:49 +01:00
|
|
|
break;
|
1993-09-04 12:09:32 +02:00
|
|
|
}
|
1993-09-29 13:21:49 +01:00
|
|
|
return region->type;
|
1993-09-04 12:09:32 +02:00
|
|
|
}
|