source: trunk/src/gdi32/region.cpp@ 3705

Last change on this file since 3705 was 3705, checked in by sandervl, 25 years ago

region changes
File size: 49.4 KB
Line 
1/* $Id: region.cpp,v 1.6 2000-06-14 13:17:51 sandervl Exp $ */
2
3/*
4 * GDI32 region code
5 *
6 * Copyright 1998-2000 Sander van Leeuwen (sandervl@xs4all.nl)
7 * Copyright 1998 Patrick Haller
8 *
9 * TODO: Metafile recording
10 * TODO: Do we need to translate & set the last error for Gpi operations?
11 *
12 * Project Odin Software License can be found in LICENSE.TXT
13 *
14 */
15#define INCL_GPI
16#define INCL_WIN
17#include <os2wrap.h>
18
19#include <win32type.h>
20#include <win32api.h>
21#include <winconst.h>
22#include <stdlib.h>
23#include <stdarg.h>
24#include <string.h>
25#include <misc.h>
26#include <objhandle.h>
27#include <dcdata.h>
28#include <winuser32.h>
29#include <win32wnd.h>
30#include "oslibgpi.h"
31
32#define DBG_LOCALLOG DBG_region
33#include "dbglocal.h"
34
35typedef enum
36{
37 AS_DEVICE,
38 AS_WORLD
39} InterpMode;
40
41#define MEM_HPS_MAX 768
42
43static void convertDeviceRect(HWND hwnd, pDCData pHps, PRECTL pRectl, ULONG count);
44
45#define convertWinDeviceRectToPMDeviceRect(arg1, arg2, arg3) convertDeviceRect(arg1, arg2, arg3)
46#define convertPMDeviceRectToWinDeviceRect(arg1, arg2, arg3) convertDeviceRect(arg1, arg2, arg3)
47
48inline void convertDeviceRect(pDCData pHps, PRECTL pRectl, ULONG count)
49{
50 convertDeviceRect(0, pHps, pRectl, count);
51}
52inline void convertDeviceRect(HWND hwnd, PRECTL pRectl, ULONG count)
53{
54 convertDeviceRect(hwnd, 0, pRectl, count);
55}
56
57HPS hpsRegion = 0;
58
59//******************************************************************************
60//******************************************************************************
61BOOL InitRegionSpace()
62{
63 hpsRegion = WinGetScreenPS(HWND_DESKTOP);
64 return hpsRegion != 0;
65}
66//******************************************************************************
67//******************************************************************************
68static LONG clientHeight(HWND hwnd, pDCData pHps)
69{
70 if(hwnd == 0 && pHps != 0)
71 hwnd = pHps->hwnd;
72
73 if(hwnd != 0 || pHps == 0)
74 {
75 RECT rect;
76 RECTL rectl;
77 LONG y = 0;
78
79 if(pHps == 0 || pHps->isClient) //client area
80 {
81 if(GetClientRect(OS2ToWin32Handle(hwnd), &rect) == TRUE) {
82 y = rect.bottom - rect.top;
83 }
84 }
85 else
86 if(WinQueryWindowRect(hwnd, &rectl)) //whole window
87 y = rectl.yTop;
88
89 return y;
90 }
91 else
92 if(pHps->bitmapHandle)
93 {
94 return pHps->bitmapHeight;
95 }
96 else
97 if(pHps->isMetaPS)
98 {
99 return 0;
100 }
101 else
102 if(pHps->isPrinter)
103 {
104 return pHps->printPageHeight;
105 }
106 else
107 {
108 return MEM_HPS_MAX;
109 }
110}
111//******************************************************************************
112//******************************************************************************
113static LONG clientWidth(HWND hwnd, pDCData pHps)
114{
115 if(hwnd == 0 && pHps != 0)
116 hwnd = pHps->hwnd;
117
118 if(hwnd != 0 || pHps == 0)
119 {
120 RECT rect;
121 RECTL rectl;
122 LONG x = 0;
123
124 if(pHps == 0 || pHps->isClient) //client area
125 {
126 if(GetClientRect(OS2ToWin32Handle(hwnd), &rect) == TRUE) {
127 x = rect.right - rect.left;
128 }
129 }
130 else
131 if(WinQueryWindowRect(hwnd, &rectl)) //whole window
132 x = rectl.xRight;
133
134 return x;
135 }
136 else DebugInt3();
137 return 0;
138}
139//******************************************************************************
140//******************************************************************************
141static void convertWinWorldRectToPMDeviceRect(pDCData pHps_Hdc, PRECTL pRects, UINT count = 1)
142{
143 PRECTL pRectl;
144 for (int x=0; x < count; x++)
145 {
146 pRectl = &pRects[x];
147
148 if(pRectl->yTop < pRectl->yBottom) {
149 ULONG temp = pRectl->yBottom;
150 pRectl->yBottom = pRectl->yTop;
151 pRectl->yTop = temp;
152 }
153 BOOL success = GpiConvert( pHps_Hdc->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)pRectl);
154 if(!success)
155 {
156 break;
157 }
158 if(pRectl->yTop < pRectl->yBottom) {
159 ULONG temp = pRectl->yBottom;
160 pRectl->yBottom = pRectl->yTop;
161 pRectl->yTop = temp;
162 }
163 }
164}
165//******************************************************************************
166//******************************************************************************
167static void convertDeviceRect(HWND hwnd, pDCData pHps, PRECTL pRectl, ULONG count)
168{
169 long wHeight, wWidth;
170
171 if(hwnd == HWND_DESKTOP) {
172 wHeight = OSLibGetScreenHeight();
173 wWidth = OSLibGetScreenWidth();
174 }
175 else {
176 wHeight = clientHeight(hwnd, pHps);
177 wWidth = clientWidth(hwnd, pHps);
178 }
179
180 if(pHps)
181 {
182 wHeight += pHps->HPStoHDCInversionHeight;
183 }
184
185 if(hwnd || (pHps && pHps->hwnd)) {
186 for(int x=0; x < count; x++)
187 {
188 if(pRectl[x].xRight > wWidth) {
189 pRectl[x].xRight = wWidth;
190 }
191 if(pRectl[x].yTop > wHeight) {
192 pRectl[x].yTop = 0;
193 }
194 else pRectl[x].yTop = wHeight - pRectl[x].yTop;
195
196 pRectl[x].yBottom = wHeight - pRectl[x].yBottom;
197 }
198 }
199 else {
200 for(int x=0; x < count; x++)
201 {
202 pRectl[x].yTop = wHeight - pRectl[x].yTop;
203 pRectl[x].yBottom = wHeight - pRectl[x].yBottom;
204 }
205 }
206}
207//******************************************************************************
208//******************************************************************************
209static void convertPMDeviceRectToWinWorldRect(pDCData pHps_Hdc, PRECTL pRectl)
210{
211 GpiConvert(pHps_Hdc->hps, CVTC_DEVICE, CVTC_WORLD, 2, (PPOINTL)pRectl );
212}
213//******************************************************************************
214//******************************************************************************
215BOOL interpretRegionAs(pDCData pHps, HRGN hrgnDest, HRGN hrgnSrc, InterpMode mode)
216{
217 BOOL success = FALSE;
218 int x, i;
219 HPS hpsDest;
220
221 if(pHps)
222 {
223 if(!hrgnDest) {
224 hrgnDest = pHps->hrgnHDC;
225#ifdef DEBUG
226 if(hrgnDest == 0) {
227 DebugInt3();
228 }
229#endif
230 }
231 hpsDest = pHps->hps;
232 }
233 else {
234 DebugInt3();
235 return FALSE;
236 }
237
238 RGNRECT rgnRect;
239 rgnRect.ircStart = 1;
240 rgnRect.crc = 0;
241 rgnRect.ulDirection = RECTDIR_LFRT_TOPBOT;
242 success = GpiQueryRegionRects(hpsRegion, hrgnSrc, NULL, &rgnRect, NULL);
243 if(success)
244 {
245 if(rgnRect.crcReturned > 0)
246 {
247 rgnRect.crc = rgnRect.crcReturned;
248 PRECTL pRectl = new RECTL[rgnRect.crcReturned];
249 success = GpiQueryRegionRects(hpsRegion, hrgnSrc, NULL, &rgnRect, pRectl);
250 if(success)
251 {
252 if(mode == AS_DEVICE)
253 {
254 ULONG temp;
255 for(x=0; x < rgnRect.crcReturned; x++)
256 {
257 temp = pRectl[x].yBottom;
258 pRectl[x].yBottom = pRectl[x].yTop;
259 pRectl[x].yTop = temp;
260 }
261 convertWinDeviceRectToPMDeviceRect(pHps, pRectl, rgnRect.crcReturned);
262 }
263 else
264 {
265 GpiConvert(pHps->hps, CVTC_WORLD, CVTC_DEVICE, rgnRect.crcReturned<<1, (PPOINTL)pRectl);
266
267 ULONG temp;
268 for(i=0; i < rgnRect.crcReturned; i++)
269 {
270 if(pRectl[i].yTop < pRectl[i].yBottom)
271 {
272 temp = pRectl[i].yBottom + 1;
273 pRectl[i].yBottom = pRectl[i].yTop + 1;
274 pRectl[i].yTop = temp;
275 }
276 else
277 {
278 pRectl[i].yTop++;
279 pRectl[i].yBottom++;
280 }
281 }
282 }
283 success = GpiSetRegion(hpsDest, hrgnDest, rgnRect.crcReturned, pRectl);
284 }
285 delete[] pRectl;
286 }
287 else
288 {
289 success = GpiSetRegion(hpsDest, hrgnDest, 0, NULL);
290 }
291 }
292 return success;
293}
294//******************************************************************************
295//******************************************************************************
296BOOL setWinDeviceRegionFromPMDeviceRegion(HRGN winHrgn, HRGN pmHrgn, pDCData pHpsPmHrgn, HWND hwndPmHrgn)
297{
298 BOOL success;
299 int x;
300 BOOL mustReleaseScreenPS = FALSE;
301 HPS hps;
302
303 if(pHpsPmHrgn || hwndPmHrgn)
304 {
305 if(pHpsPmHrgn)
306 hps = pHpsPmHrgn->hps;
307 else
308 {
309 hps = WinGetScreenPS(HWND_DESKTOP);
310 mustReleaseScreenPS = TRUE;
311 }
312
313 RGNRECT rgnRect;
314 rgnRect.ircStart = 1;
315 rgnRect.crc = 0;
316 rgnRect.ulDirection = RECTDIR_LFRT_TOPBOT;
317 success = GpiQueryRegionRects(hps, pmHrgn, NULL, &rgnRect, NULL);
318 if(success )
319 {
320 if(rgnRect.crcReturned > 0)
321 {
322 rgnRect.crc = rgnRect.crcReturned;
323 PRECTL pRectl = new RECTL[rgnRect.crcReturned];
324 success = GpiQueryRegionRects(hps, pmHrgn, NULL, &rgnRect, pRectl);
325 if(success)
326 {
327 if(pHpsPmHrgn)
328 convertPMDeviceRectToWinDeviceRect(pHpsPmHrgn, pRectl, rgnRect.crcReturned);
329 else
330 convertPMDeviceRectToWinDeviceRect(hwndPmHrgn, pRectl, rgnRect.crcReturned);
331
332 for(x=0; x < rgnRect.crcReturned; x++)
333 {
334 ULONG temp = pRectl[x].yBottom;
335 pRectl[x].yBottom = pRectl[x].yTop;
336 pRectl[x].yTop = temp;
337 }
338
339 success = GpiSetRegion(hpsRegion, winHrgn, rgnRect.crcReturned, pRectl);
340 }
341 delete[] pRectl;
342 }
343 else
344 {
345 success = GpiSetRegion(hpsRegion, winHrgn, 0, NULL);
346 }
347 }
348 }
349 else
350 success = FALSE;
351
352 if(mustReleaseScreenPS)
353 WinReleasePS(hps);
354
355 return success;
356}
357//******************************************************************************
358//******************************************************************************
359int WIN32API SelectClipRgn(HDC hdc, HRGN hrgn)
360{
361 LONG lComplexity = RGN_NULL;
362 HRGN hrgnNewClip;
363 HRGN hrgnOldClip;
364
365 pDCData pHps = (pDCData)OSLibGpiQueryDCData((HPS)hdc);
366 if(!pHps)
367 {
368 dprintf(("WARNING: SelectClipRgn: invalid hdc!", hdc, hrgn));
369 SetLastError(ERROR_INVALID_HANDLE_W);
370 return ERROR_W;
371 }
372
373 if(hrgn)
374 {
375 hrgn = ObjGetHandleData(hrgn);
376 if(hrgn == HANDLE_OBJ_ERROR) {
377 dprintf(("WARNING: SelectClipRgn: invalid region!", hdc, hrgn));
378 SetLastError(ERROR_INVALID_HANDLE_W);
379 return ERROR_W;
380 }
381 }
382
383 if(hrgn)
384 {
385 RECTL rectl = {0,0,1,1};
386 hrgnNewClip = GpiCreateRegion(pHps->hps, 1, &rectl);
387 if(interpretRegionAs(pHps, hrgnNewClip, hrgn, AS_DEVICE) == 0)
388 {
389 lComplexity = RGN_ERROR;
390 }
391 }
392 else
393 hrgnNewClip = 0;
394
395 if(lComplexity != RGN_ERROR)
396 {
397 if(hrgnNewClip == 0) {
398 GpiSetClipPath(pHps->hps, 0, SCP_RESET);
399 }
400 lComplexity = GpiSetClipRegion(pHps->hps, hrgnNewClip, &hrgnOldClip);
401 if (lComplexity != RGN_ERROR )
402 {
403 dprintf(("SelectClipRgn: %x %x", hdc, hrgn));
404 if(hrgnOldClip)
405 GpiDestroyRegion(pHps->hps, hrgnOldClip);
406
407 //todo: metafile recording
408 SetLastError(ERROR_SUCCESS_W);
409 return lComplexity;
410 }
411 }
412
413 dprintf(("WARNING: SelectClipRgn: RGN_ERROR!", hdc, hrgn));
414 if(hrgnNewClip)
415 GpiDestroyRegion(pHps->hps, hrgnNewClip);
416
417 SetLastError(ERROR_SUCCESS_W);
418 return lComplexity;
419}
420//******************************************************************************
421//******************************************************************************
422int WIN32API ExtSelectClipRgn(HDC hdc, HRGN hrgn, int mode)
423{
424 pDCData pHps = (pDCData)OSLibGpiQueryDCData((HPS)hdc);
425 if (!pHps)
426 {
427 dprintf(("WARNING: ExtSelectRgn %x %x %d invalid hdc", hdc, hrgn, mode));
428 SetLastError(ERROR_INVALID_HANDLE_W);
429 return ERROR_W;
430 }
431
432 LONG lComplexity;
433 HRGN hrgnCurrent = NULLHANDLE;
434
435 if(!hrgn && mode != RGN_COPY_W)
436 {
437 SetLastError(ERROR_INVALID_PARAMETER_W);
438 dprintf(("WARNING: ExtSelectRgn %x %x %d invalid parameter", hdc, hrgn, mode));
439 return ERROR_W;
440 }
441
442 LONG lMode;
443 switch (mode)
444 {
445 case RGN_AND_W : lMode = CRGN_AND ; break;
446 case RGN_COPY_W : lMode = CRGN_COPY; break;
447 case RGN_DIFF_W : lMode = CRGN_DIFF; break;
448 case RGN_OR_W : lMode = CRGN_OR ; break;
449 case RGN_XOR_W : lMode = CRGN_XOR ; break;
450 default:
451 {
452 SetLastError(ERROR_INVALID_PARAMETER_W);
453 dprintf(("WARNING: ExtSelectRgn %x %x %d invalid parameter", hdc, hrgn, mode));
454 return ERROR_W;
455 }
456 }
457
458 if(hrgn)
459 {
460 hrgn = ObjGetHandleData(hrgn);
461 if(hrgn == HANDLE_OBJ_ERROR) {
462 dprintf(("WARNING: ExtSelectRgn %x %x %d invalid region handle", hdc, hrgn, mode));
463 SetLastError(ERROR_INVALID_HANDLE_W);
464 return 0;
465 }
466 }
467
468 dprintf(("WARNING: ExtSelectRgn %x %x %d", hdc, hrgn, mode));
469 //TODO: metafile recording
470 if(hrgn)
471 {
472 if(!interpretRegionAs(pHps, 0, hrgn, AS_DEVICE) )
473 {
474 return ERROR_W;
475 }
476 }
477 else
478 {
479 //remove clip region
480 GpiSetClipPath(pHps->hps, 0, SCP_RESET);
481 GpiSetClipRegion(pHps->hps, NULLHANDLE, &hrgnCurrent);
482
483 if(hrgnCurrent)
484 GpiDestroyRegion(pHps->hps, hrgnCurrent);
485
486 return NULLREGION_W;
487 }
488
489 GpiSetClipRegion(pHps->hps, NULLHANDLE, &hrgnCurrent);
490
491 if(hrgnCurrent == NULLHANDLE)
492 {
493 lMode = CRGN_COPY;
494 RECTL rectl = {0, 0, 1, 1};
495 hrgnCurrent = GpiCreateRegion(pHps->hps, 1, &rectl);
496 }
497
498 HRGN hrgnSrc1;
499 HRGN hrgnSrc2;
500 if(lMode != CRGN_COPY)
501 {
502 hrgnSrc1 = hrgnCurrent;
503 hrgnSrc2 = pHps->hrgnHDC;
504 }
505 else
506 {
507 hrgnSrc1 = pHps->hrgnHDC;
508 hrgnSrc2 = NULLHANDLE;
509 }
510
511 lComplexity = GpiCombineRegion(pHps->hps, hrgnCurrent, hrgnSrc1, hrgnSrc2, lMode);
512 if (lComplexity != RGN_ERROR)
513 {
514 HRGN hrgnOld;
515 lComplexity = GpiSetClipRegion(pHps->hps, hrgnCurrent, &hrgnOld);
516 SetLastError(ERROR_SUCCESS_W);
517 if (lComplexity != RGN_ERROR)
518 return lComplexity;
519 }
520 SetLastError(ERROR_SUCCESS_W);
521 return ERROR_W;
522}
523//******************************************************************************
524//******************************************************************************
525int WIN32API GetClipBox(HDC hdc, PRECT lpRect)
526{
527 pDCData pHps = (pDCData)OSLibGpiQueryDCData((HPS)hdc);
528 RECTL rectl;
529 LONG lComplexity;
530 int rc;
531
532 if(!hdc || !lpRect || !pHps) {
533 dprintf(("GDI32: GetClipBox %x %x ERROR_INVALID_PARAMETER", hdc, lpRect));
534 SetLastError(ERROR_INVALID_PARAMETER_W);
535 return ERROR_W;
536 }
537 if(pHps->isPrinter)
538 {
539 lpRect->left = 0;
540 lpRect->top = 0;
541 lpRect->right = GetDeviceCaps( hdc, HORZRES_W);
542 lpRect->bottom = GetDeviceCaps( hdc, VERTRES_W);
543 includeBottomRightPoint(pHps, (PPOINTLOS2)&rectl);
544 convertPMDeviceRectToWinWorldRect(pHps, &rectl);
545
546 rc = SIMPLEREGION_W;
547 }
548 else {
549 lComplexity = GpiQueryClipBox(pHps->hps, &rectl);
550 if(lComplexity == RGN_ERROR)
551 {
552 rc = ERROR_W;
553 }
554 else
555 if(lComplexity == RGN_NULL)
556 {
557 memset(lpRect, 0, sizeof(*lpRect));
558 rc = NULLREGION_W;
559 }
560 else {
561 //Convert including/including to including/excluding
562 includeBottomRightPoint(pHps, (PPOINTLOS2)&rectl);
563
564 lpRect->left = rectl.xLeft;
565 lpRect->right = rectl.xRight;
566 //No conversion required as GpiQueryClipBox is affected by
567 //the y-inversion of the window
568 //NOTE: YINVERSION dependancy
569 lpRect->top = rectl.yBottom;
570 lpRect->bottom = rectl.yTop;
571
572 rc = (lComplexity == RGN_RECT) ? SIMPLEREGION_W : COMPLEXREGION_W;
573 }
574 }
575 dprintf(("GDI32: GetClipBox of %X returned %d\n", hdc, rc));
576 return rc;
577}
578//******************************************************************************
579//******************************************************************************
580int WIN32API GetClipRgn(HDC hdc, HRGN hrgn)
581{
582 pDCData pHps = (pDCData)OSLibGpiQueryDCData((HPS)hdc);
583 BOOL success;
584 LONG lComplexity = RGN_RECT;
585 HRGN hrgnClip = NULL, hrgnTemp;
586
587 hrgn = ObjGetHandleData(hrgn);
588 if(hrgn == HANDLE_OBJ_ERROR || !pHps) {
589 dprintf(("WARNING: GetClipRgn %x %x invalid handle", hdc, hrgn));
590 SetLastError(ERROR_INVALID_HANDLE_W);
591 return 0;
592 }
593
594 if(GpiSetClipRegion(pHps->hps, NULL, &hrgnClip) == RGN_ERROR) {
595 dprintf(("WARNING: GetClipRgn GpiSetClipRegion failed! (%x)", WinGetLastError(0)));
596 SetLastError(ERROR_INVALID_PARAMETER_W); //todo right errror
597 return 0;
598 }
599 if(hrgnClip) {
600 if(!setWinDeviceRegionFromPMDeviceRegion(hrgn, hrgnClip, pHps, NULL)) {
601 dprintf(("WARNING: GetClipRgn setWinDeviceRegionFromPMDeviceRegion failed!"));
602 GpiSetClipRegion(pHps->hps, hrgnClip, &hrgnTemp);
603 SetLastError(ERROR_INVALID_PARAMETER_W); //todo right errror
604 return 0;
605 }
606 if(GpiSetClipRegion(pHps->hps, hrgnClip, &hrgnTemp) == RGN_ERROR )
607 {
608 dprintf(("WARNING: GetClipRgn GpiSetClipRegion failed %x!", WinGetLastError(0)));
609 SetLastError(ERROR_INVALID_PARAMETER_W); //todo right errror
610 return 0;
611 }
612 }
613 else lComplexity = RGN_NULL;
614
615 dprintf(("GetClipRgn %x %x returned %d", hdc, hrgn, lComplexity == RGN_NULL));
616 SetLastError(ERROR_SUCCESS_W);
617 if(lComplexity == RGN_NULL)
618 return 0;
619 else return 1;
620}
621//******************************************************************************
622//******************************************************************************
623int WIN32API ExcludeClipRect(HDC hdc, int left, int top, int right, int bottom)
624{
625 pDCData pHps = (pDCData)OSLibGpiQueryDCData((HPS)hdc);
626 if(!pHps)
627 {
628 dprintf(("WARNING: ExcludeClipRgn %x (%d,%d)(%d,%d) invalid hdc", hdc, left, top, right, bottom));
629 SetLastError(ERROR_INVALID_HANDLE_W);
630 return ERROR_W;
631 }
632
633 LONG lComplexity;
634 RECTL rectl = { left, bottom, right, top };
635
636 excludeBottomRightPoint(pHps, (PPOINTLOS2)&rectl);
637 if(rectl.yTop < rectl.yBottom) {
638 ULONG temp = rectl.yBottom;
639 rectl.yBottom = rectl.yTop;
640 rectl.yTop = temp;
641 }
642
643 dprintf(("ExcludeClipRgn %x (%d,%d)(%d,%d)", hdc, left, top, right, bottom));
644 lComplexity = GpiExcludeClipRectangle(pHps->hps, &rectl);
645 if (lComplexity == RGN_ERROR) {
646 SetLastError(ERROR_INVALID_PARAMETER_W); //TODO: wrong error
647 return ERROR_W;
648 }
649
650 //todo metafile recording
651
652 SetLastError(ERROR_SUCCESS_W);
653 return lComplexity;
654}
655//******************************************************************************
656//******************************************************************************
657int WIN32API IntersectClipRect(HDC hdc, int left, int top, int right, int bottom)
658{
659 pDCData pHps = (pDCData)OSLibGpiQueryDCData((HPS)hdc);
660 LONG lComplexity;
661 BOOL success;
662
663 if(!pHps) {
664 dprintf(("WARNING: IntersectClipRgn %x (%d,%d)(%d,%d) invalid hdc", hdc, left, top, right, bottom));
665 SetLastError(ERROR_INVALID_HANDLE_W);
666 return ERROR_W;
667 }
668 RECTL rectl = { left, bottom, right, top };
669
670 excludeBottomRightPoint(pHps, (PPOINTLOS2)&rectl);
671 if(rectl.yTop < rectl.yBottom) {
672 ULONG temp = rectl.yBottom;
673 rectl.yBottom = rectl.yTop;
674 rectl.yTop = temp;
675 }
676
677 dprintf(("IntersectClipRgn %x (%d,%d)(%d,%d)", hdc, left, top, right, bottom));
678 lComplexity = GpiIntersectClipRectangle(pHps->hps, &rectl);
679
680 //todo metafile recording
681
682 SetLastError(ERROR_SUCCESS_W);
683 return lComplexity;
684}
685//******************************************************************************
686//******************************************************************************
687int WIN32API OffsetClipRgn(HDC hdc, int nXOffset, int nYOffset )
688{
689 BOOL success;
690 pDCData pHps = (pDCData)OSLibGpiQueryDCData((HPS)hdc);
691 LONG lComplexity;
692
693 if(!pHps) {
694 dprintf(("OffsetClipRgn %x (%d,%d) invalid hdc", hdc, nXOffset, nYOffset));
695 SetLastError(ERROR_INVALID_HANDLE_W);
696 return ERROR_W;
697 }
698
699 dprintf(("OffsetClipRgn %x (%d,%d)", hdc, nXOffset, nYOffset));
700 POINTL pointl = { nXOffset, nYOffset };
701 lComplexity = GpiOffsetClipRegion(pHps->hps, &pointl);
702
703 //todo metafile recording
704
705 SetLastError(ERROR_SUCCESS_W);
706 return lComplexity;
707}
708//******************************************************************************
709//******************************************************************************
710HRGN WIN32API CreatePolyPolygonRgn(const POINT * lppt, const int *pPolyCount, int nCount, int fnPolyFillMode)
711{
712 LONG flMode;
713
714 switch(fnPolyFillMode)
715 {
716 case ALTERNATE_W:
717 flMode = POLYGON_ALTERNATE;
718 break;
719 case WINDING_W:
720 flMode = POLYGON_WINDING;
721 break;
722 default:
723 dprintf(("WARNING: CreatePolyPolygonRgn %x %x %d %d invalid parameter", lppt, pPolyCount, nCount, fnPolyFillMode));
724 SetLastError(ERROR_INVALID_PARAMETER_W);
725 return 0;
726 }
727
728 if(nCount < 1)
729 {
730 dprintf(("WARNING: CreatePolyPolygonRgn %x %x %d %d invalid parameter", lppt, pPolyCount, nCount, fnPolyFillMode));
731 SetLastError(ERROR_INVALID_PARAMETER_W);
732 return 0;
733 }
734
735 PPOLYGON pPolygon = new POLYGON[nCount];
736 if(!pPolygon) {
737 dprintf(("ERROR: CreatePolyPolygonRgn: out of memory!!"));
738 SetLastError(ERROR_OUTOFMEMORY_W);
739 return 0;
740 }
741 dprintf(("CreatePolyPolygonRgn %x %x %d %d", lppt, pPolyCount, nCount, fnPolyFillMode));
742
743 PPOINTL pPointl = (PPOINTL)lppt+1; // skip first point
744 for (int x=0; x < nCount; x++) {
745 pPolygon[x].ulPoints = (x == 0) ? pPolyCount[x] - 1 : pPolyCount[x];
746 pPolygon[x].aPointl = pPointl;
747 pPointl += pPolygon[x].ulPoints;
748 }
749 GpiMove(hpsRegion, (PPOINTL)lppt);
750 HRGN hrgn = GpiCreatePolygonRegion(hpsRegion, nCount, pPolygon, POLYGON_BOUNDARY | flMode);
751
752 delete[] pPolygon;
753
754 if(!hrgn) {
755 SetLastError(ERROR_INVALID_PARAMETER_W); //todo: not right
756 return 0;
757 }
758
759 if(ObjAllocateHandle(&hrgn, hrgn, GDIOBJ_REGION) == FALSE) {
760 SetLastError(ERROR_OUTOFMEMORY_W);
761 return 0;
762 }
763 SetLastError(ERROR_SUCCESS_W);
764 return hrgn;
765}
766//******************************************************************************
767//******************************************************************************
768HRGN WIN32API CreateRectRgn( int left, int top, int right, int bottom)
769{
770 HRGN hrgn;
771 RECTL rectl = { left, top < bottom ? top : bottom, right, top < bottom ? bottom : top };
772
773 hrgn = GpiCreateRegion(hpsRegion, 1, &rectl);
774 if(!hrgn) {
775 dprintf(("WARNING: CreateRectRgn: GpiCreateRectRegion failed! %x", WinGetLastError(0)));
776 SetLastError(ERROR_INVALID_PARAMETER_W); //todo: not right
777 return 0;
778 }
779
780 if(ObjAllocateHandle(&hrgn, hrgn, GDIOBJ_REGION) == FALSE) {
781 SetLastError(ERROR_OUTOFMEMORY_W);
782 return 0;
783 }
784 dprintf(("CreateRectRegion (%d,%d)(%d,%d) returned %x", left, top, right, bottom, hrgn));
785 SetLastError(ERROR_SUCCESS_W);
786 return hrgn;
787}
788//******************************************************************************
789//******************************************************************************
790HRGN WIN32API CreateRectRgnIndirect(const RECT *lprc)
791{
792 return CreateRectRgn(lprc->left, lprc->top, lprc->right, lprc->bottom);
793}
794//******************************************************************************
795//******************************************************************************
796HRGN WIN32API CreateRoundRectRgn(int left, int top, int right, int bottom, int nWidthEllipse, int nHeightEllipse)
797{
798 HRGN hrgn;
799 RECTL rectl = { left, top < bottom ? top : bottom, right, top < bottom ? bottom : top };
800
801 PPOINTL pPointl = (PPOINTL)&rectl;
802
803 GpiMove(hpsRegion, &pPointl[0]);
804 hrgn = GpiCreateRoundRectRegion(hpsRegion, &pPointl[1], labs(nWidthEllipse), labs(nHeightEllipse));
805
806 if(!hrgn) {
807 SetLastError(ERROR_INVALID_PARAMETER_W); //todo: not right
808 dprintf(("WARNING: CreateRoundRectRgn: GpiCreateRoundRectRegion failed! %x", WinGetLastError(0)));
809 return 0;
810 }
811
812 if(ObjAllocateHandle(&hrgn, hrgn, GDIOBJ_REGION) == FALSE) {
813 SetLastError(ERROR_OUTOFMEMORY_W);
814 return 0;
815 }
816 dprintf(("CreateRoundRectRegion (%d,%d)(%d,%d) (%d,%d) returned %x", left, top, right, bottom, nWidthEllipse, nHeightEllipse, hrgn));
817 SetLastError(ERROR_SUCCESS_W);
818 return hrgn;
819}
820//******************************************************************************
821//******************************************************************************
822HRGN WIN32API ExtCreateRegion(const XFORM_W *pXform, DWORD count, const RGNDATA *pData)
823{
824 HRGN hrgn;
825
826 if(!pData || count < (sizeof(RGNDATAHEADER) + pData->rdh.nCount * sizeof(RECT))) {
827 dprintf(("WARNING: ExtCreateRegion %x %d %x; invalid parameter", pXform, count, pData));
828 SetLastError(ERROR_INVALID_PARAMETER_W);
829 return 0;
830 }
831
832 PRECTL pRectl = new RECTL[pData->rdh.nCount];
833 PRECT pDataRects = (PRECT)pData->Buffer;
834 for(int i=0; i < pData->rdh.nCount; i++) {
835 MapWin32ToOS2Rect(pDataRects[i], pRectl[i]);
836 }
837
838 BOOL doShear = pXform && (pXform->eM12 || pXform->eM21);
839 HPS hpsTemp = NULLHANDLE;
840
841 dprintf(("ExtCreateRegion %x %d %x", pXform, count, pData));
842 if(doShear) {
843 hpsTemp = WinGetPS(HWND_DESKTOP);
844 GpiBeginPath(hpsTemp, 1);
845
846 MATRIXLF matrixlf;
847 matrixlf.fxM11 = pXform->eM11 * (float)0x10000;
848 matrixlf.fxM12 = pXform->eM12 * (float)0x10000;
849 matrixlf.lM13 = 0;
850 matrixlf.fxM21 = pXform->eM21 * (float)0x10000;
851 matrixlf.fxM22 = pXform->eM22 * (float)0x10000;
852 matrixlf.lM23 = 0;
853 matrixlf.lM31 = pXform->eDx;
854 matrixlf.lM32 = pXform->eDy;
855 matrixlf.lM33 = 1;
856
857 GpiSetModelTransformMatrix(hpsTemp, 9, &matrixlf, TRANSFORM_REPLACE);
858 }
859
860 for(i=0; i < pData->rdh.nCount; i++)
861 {
862 LONG temp = pRectl[i].yTop;
863 pRectl[i].yTop = pRectl[i].yBottom;
864 pRectl[i].yBottom = temp;
865
866 if(pXform)
867 {
868 PPOINTL pPointl = ((PPOINTL)&pRectl[i]);
869
870 if (doShear) {
871 GpiMove(hpsTemp, pPointl);
872 GpiBox(hpsTemp, DRO_OUTLINE, pPointl+1, 0, 0);
873 }
874 else
875 {
876 for(int j=0; j < 2; j++) {
877 pPointl[j].x = (pXform->eM11 * (float)pPointl[j].x) + (pXform->eM12 * (float)pPointl[j].y) + pXform->eDx;
878 pPointl[j].y = (pXform->eM21 * (float)pPointl[j].x) + (pXform->eM22 * (float)pPointl[j].y) + pXform->eDy;
879 }
880
881 PRECTL pRectlT = (PRECTL)pPointl;
882 if (pRectlT->xLeft > pRectlT->xRight) {
883 LONG temp = pRectlT->xLeft;
884 pRectlT->xLeft = pRectlT->xRight;
885 pRectlT->xRight = temp;
886 }
887 if (pRectlT->yBottom > pRectlT->yTop) {
888 LONG temp = pRectlT->yBottom;
889 pRectlT->yBottom = pRectlT->yTop;
890 pRectlT->yTop = temp;
891 }
892 }
893 }
894 }
895
896 if(doShear) {
897 GpiEndPath(hpsTemp);
898 hrgn = GpiPathToRegion(hpsTemp, 1, FPATH_WINDING);
899
900 if(pRectl)
901 delete[] pRectl;
902
903 if(hrgn == 0) {
904 dprintf(("WARNING: ExtCreateRegion GpiCreateRegion failed! (%x)", WinGetLastError(0)));
905 SetLastError(ERROR_INVALID_PARAMETER_W);
906 return 0;
907 }
908 WinReleasePS(hpsTemp);
909 }
910 else {
911 hrgn = GpiCreateRegion(hpsRegion, pData->rdh.nCount, pRectl);
912 if(pRectl)
913 delete[] pRectl;
914
915 if(hrgn == 0) {
916 dprintf(("WARNING: ExtCreateRegion GpiCreateRegion failed! (%x)", WinGetLastError(0)));
917 SetLastError(ERROR_INVALID_PARAMETER_W);
918 return 0;
919 }
920 }
921
922 if(ObjAllocateHandle(&hrgn, hrgn, GDIOBJ_REGION) == FALSE) {
923 SetLastError(ERROR_OUTOFMEMORY_W);
924 return 0;
925 }
926 SetLastError(ERROR_SUCCESS_W);
927 return hrgn;
928}
929//******************************************************************************
930//******************************************************************************
931HRGN WIN32API CreateEllipticRgn(int left, int top, int right, int bottom)
932{
933 HRGN hrgn;
934
935 RECTL rectl = { left,
936 top < bottom ? top : bottom,
937 right,
938 top < bottom ? bottom : top };
939
940 dprintf(("CreateEllipticRgn (%d,%d)(%d,%d)", left, top, right, bottom));
941 hrgn = GpiCreateEllipticRegion(hpsRegion, &rectl);
942
943 if(ObjAllocateHandle(&hrgn, hrgn, GDIOBJ_REGION) == FALSE) {
944 SetLastError(ERROR_OUTOFMEMORY_W);
945 return 0;
946 }
947 SetLastError(ERROR_SUCCESS_W);
948 return hrgn;
949}
950//******************************************************************************
951//******************************************************************************
952HRGN WIN32API CreateEllipticRgnIndirect(const RECT *pRect)
953{
954 return CreateEllipticRgn(pRect->left, pRect->top, pRect->right, pRect->bottom);
955}
956//******************************************************************************
957//******************************************************************************
958HRGN WIN32API CreatePolygonRgn(const POINT *lppt, int cPoints, int fnPolyFillMode)
959{
960 HRGN hrgn;
961 LONG flMode;
962
963 if(!lppt || cPoints < 2) {
964 dprintf(("WARNING: CreatePolygonRgn %x %d %d invalid parameter", lppt, cPoints, fnPolyFillMode));
965 SetLastError(ERROR_INVALID_PARAMETER_W);
966 return 0;
967 }
968
969 switch (fnPolyFillMode)
970 {
971 case ALTERNATE_W :
972 flMode = POLYGON_ALTERNATE;
973 break;
974 case WINDING_W :
975 flMode = POLYGON_WINDING;
976 break;
977 default:
978 dprintf(("WARNING: CreatePolygonRgn %x %d %d invalid parameter", lppt, cPoints, fnPolyFillMode));
979 SetLastError(ERROR_INVALID_PARAMETER_W);
980 return 0;
981 }
982
983 dprintf(("CreatePolygonRgn %x %d %d", lppt, cPoints, fnPolyFillMode));
984
985 POLYGON polygon;
986 polygon.ulPoints = cPoints - 1;
987 polygon.aPointl = (PPOINTL)(lppt + 1);
988
989 GpiMove(hpsRegion, (PPOINTL)lppt);
990 hrgn = GpiCreatePolygonRegion(hpsRegion, 1, &polygon, POLYGON_BOUNDARY | flMode);
991
992 if(ObjAllocateHandle(&hrgn, hrgn, GDIOBJ_REGION) == FALSE) {
993 SetLastError(ERROR_OUTOFMEMORY_W);
994 return 0;
995 }
996 SetLastError(ERROR_SUCCESS_W);
997 return hrgn;
998}
999//******************************************************************************
1000//******************************************************************************
1001int WIN32API CombineRgn(HRGN hrgnDest, HRGN hrgnSrc1, HRGN hrgnSrc2, int combineMode)
1002{
1003 ULONG lComplexity;
1004 LONG mode;
1005
1006 switch(combineMode) {
1007 case RGN_AND_W:
1008 mode = CRGN_AND;
1009 break;
1010 case RGN_COPY_W:
1011 mode = CRGN_COPY;
1012 break;
1013 case RGN_DIFF_W:
1014 mode = CRGN_DIFF;
1015 break;
1016 case RGN_OR_W:
1017 mode = CRGN_OR;
1018 break;
1019 case RGN_XOR_W:
1020 mode = CRGN_XOR;
1021 break;
1022 default:
1023 dprintf(("WARNING: CombineRgn %x %x %x %d; invalid mode!", hrgnDest, hrgnSrc1, hrgnSrc2, combineMode));
1024 SetLastError(ERROR_INVALID_PARAMETER_W);
1025 return ERROR_W;
1026 }
1027
1028 hrgnDest = ObjGetHandleData(hrgnDest);
1029 hrgnSrc1 = ObjGetHandleData(hrgnSrc1);
1030 hrgnSrc2 = ObjGetHandleData(hrgnSrc2);
1031 if(hrgnDest == HANDLE_OBJ_ERROR || hrgnSrc1 == HANDLE_OBJ_ERROR || (hrgnSrc2 == HANDLE_OBJ_ERROR && combineMode != RGN_COPY_W)) {
1032 dprintf(("WARNING: CombineRgn %x %x %x %d invalid region", hrgnDest, hrgnSrc1, hrgnSrc2, combineMode));
1033 SetLastError(ERROR_INVALID_HANDLE_W);
1034 return ERROR_W;
1035 }
1036
1037 lComplexity = GpiCombineRegion(hpsRegion, hrgnDest, hrgnSrc1, hrgnSrc2, mode);
1038 if(lComplexity == RGN_ERROR) {
1039 dprintf(("WARNING: CombineRgn %x %x %x %d GpiCombineRegion failed (%x)", hrgnDest, hrgnSrc1, hrgnSrc2, mode, WinGetLastError(0)));
1040 SetLastError(ERROR_INVALID_HANDLE_W);
1041 return ERROR_W;
1042 }
1043 SetLastError(ERROR_SUCCESS_W);
1044 return lComplexity;
1045}
1046//******************************************************************************
1047//******************************************************************************
1048BOOL WIN32API EqualRgn(HRGN hrgn1, HRGN hrgn2)
1049{
1050 LONG lEquality;
1051
1052 hrgn1 = ObjGetHandleData(hrgn1);
1053 hrgn2 = ObjGetHandleData(hrgn2);
1054 if(hrgn1 == HANDLE_OBJ_ERROR || hrgn2 == HANDLE_OBJ_ERROR) {
1055 dprintf(("WARNING: EqualRgn %x %x invalid region", hrgn1, hrgn2));
1056 SetLastError(ERROR_INVALID_HANDLE_W);
1057 return FALSE;
1058 }
1059 lEquality = GpiEqualRegion(hpsRegion, hrgn1, hrgn2);
1060
1061 dprintf(("EqualRgn %x %x = %d", hrgn1, hrgn2, lEquality));
1062 SetLastError(ERROR_SUCCESS_W);
1063
1064 if(lEquality == EQRGN_EQUAL)
1065 return TRUE;
1066 else
1067 if(lEquality == EQRGN_NOTEQUAL)
1068 return FALSE;
1069 else {
1070 return FALSE;
1071 }
1072}
1073//******************************************************************************
1074//******************************************************************************
1075BOOL WIN32API SetRectRgn(HRGN hrgn, int left, int top, int right, int bottom)
1076{
1077 BOOL result = FALSE;
1078
1079 hrgn = ObjGetHandleData(hrgn);
1080 if(hrgn == HANDLE_OBJ_ERROR) {
1081 dprintf(("WARNING: SetRectRgn %x (%d,%d)(%d,%d) invalid region handle", hrgn, left, top, right, bottom));
1082 SetLastError(ERROR_INVALID_HANDLE_W);
1083 return 0;
1084 }
1085 RECTL rectl = { left, top, right, bottom }; //reversed y coordinates
1086 if(GpiSetRegion(hpsRegion, hrgn, 1, &rectl)) {
1087 dprintf(("SetRectRgn %x (%d,%d)(%d,%d)", hrgn, left, top, right, bottom));
1088 return TRUE;
1089 }
1090 dprintf(("WARNING: SetRectRgn %x (%d,%d)(%d,%d) GpiSetRegion failed %x", hrgn, left, top, right, bottom, WinGetLastError(0)));
1091 return FALSE;
1092}
1093//******************************************************************************
1094//******************************************************************************
1095ULONG WIN32API GetRegionData(HRGN hrgn, ULONG count, PRGNDATA pData)
1096{
1097 if(!count && pData)
1098 {
1099 dprintf(("WARNING: GetRegionData %x %d %x; invalid parameter", hrgn, count, pData));
1100 SetLastError(ERROR_INVALID_PARAMETER_W);
1101 return 0;
1102 }
1103 hrgn = ObjGetHandleData(hrgn);
1104 if(hrgn == HANDLE_OBJ_ERROR) {
1105 dprintf(("WARNING: GetRegionData %x %d %x; invalid region handle", hrgn, count, pData));
1106 SetLastError(ERROR_INVALID_HANDLE_W);
1107 return 0;
1108 }
1109 RGNRECT rgnRect;
1110 rgnRect.ircStart = 1;
1111 rgnRect.crc = 0;
1112 rgnRect.ulDirection = RECTDIR_LFRT_TOPBOT;
1113 if(!GpiQueryRegionRects(hpsRegion, hrgn, NULL, &rgnRect, NULL))
1114 {
1115 dprintf(("WARNING: GetRegionData %x %d %x: GpiQueryRegionRects failed! (%x)", hrgn, count, pData, WinGetLastError(0)));
1116 return 0;
1117 }
1118
1119 dprintf(("GetRegionData %x %d %x", hrgn, count, pData));
1120
1121 ULONG bufSizeNeeded = rgnRect.crcReturned * sizeof(RECT) + sizeof (RGNDATAHEADER);
1122
1123 if(pData && (count >= (sizeof(RGNDATAHEADER) + rgnRect.crcReturned * sizeof(RECT))))
1124 {
1125 //we actually need to flip the top & bottom values, but as the layout of the PM RECTL and
1126 //Win32 RECT have exactly those two members reversed, we don't do this for the returned
1127 //rectangles (more efficient)
1128 PRECTL pRectl = (PRECTL)pData->Buffer;
1129 rgnRect.crc = rgnRect.crcReturned;
1130 if(!GpiQueryRegionRects(hpsRegion, hrgn, NULL, &rgnRect, pRectl))
1131 {
1132 dprintf(("WARNING: GetRegionData: GpiQueryRegionRects failed! (%x)", WinGetLastError(0)));
1133 return 0;
1134 }
1135
1136 RECTL boundRect;
1137 GpiQueryRegionBox(hpsRegion, hrgn, &boundRect); // no need to check rc
1138
1139 pData->rdh.dwSize = sizeof(pData->rdh);
1140 pData->rdh.iType = RDH_RECTANGLES_W; // one and only possible value
1141 pData->rdh.nCount = rgnRect.crcReturned;
1142 pData->rdh.nRgnSize = rgnRect.crcReturned * sizeof(RECTL);
1143
1144 //flip top & bottom for bounding rectangle (not really necessary; but cleaner coding)
1145 LONG temp = boundRect.yTop;
1146 boundRect.yTop = boundRect.yBottom;
1147 boundRect.yBottom = temp;
1148 MapOS2ToWin32Rect(boundRect, pData->rdh.rcBound);
1149 }
1150
1151 //return size needed
1152 return bufSizeNeeded;
1153}
1154//******************************************************************************
1155//******************************************************************************
1156int WIN32API GetRgnBox(HRGN hrgn, PRECT pRect)
1157{
1158 BOOL success;
1159 LONG lComplexity;
1160
1161 hrgn = ObjGetHandleData(hrgn);
1162 if(hrgn == HANDLE_OBJ_ERROR) {
1163 dprintf(("WARNING: GetRgnBox %x %x invalid region!", hrgn, pRect));
1164 SetLastError(ERROR_INVALID_HANDLE_W);
1165 return FALSE;
1166 }
1167
1168 dprintf(("GetRgnBox %x %x", hrgn, pRect));
1169
1170 RECTL rectl;
1171 lComplexity = GpiQueryRegionBox(hpsRegion, hrgn, &rectl);
1172 if(lComplexity != RGN_ERROR)
1173 {
1174 //no conversion required, just flip top & bottom
1175 ULONG temp = rectl.yBottom;
1176 rectl.yBottom = rectl.yTop;
1177 rectl.yTop = temp;
1178
1179 MapOS2ToWin32Rect(rectl, *pRect);
1180 }
1181 else {
1182 lComplexity = ERROR_W;
1183 dprintf(("WARNING: GetRgnBox error in region!"));
1184 }
1185
1186 SetLastError(ERROR_SUCCESS_W);
1187 return lComplexity;
1188}
1189//******************************************************************************
1190//******************************************************************************
1191BOOL WIN32API InvertRgn(HDC hdc, HRGN hrgn)
1192{
1193 pDCData pHps = (pDCData)OSLibGpiQueryDCData((HPS)hdc);
1194
1195 hrgn = ObjGetHandleData(hrgn);
1196 if(!pHps || hrgn == HANDLE_OBJ_ERROR) {
1197 dprintf(("WARNING: InvertRgn %x %x invalid handle!", hdc, hrgn));
1198 SetLastError(ERROR_INVALID_HANDLE_W);
1199 return FALSE;
1200 }
1201 //todo metafile recording
1202
1203 dprintf(("InvertRgn %x %x", hdc, hrgn));
1204
1205 interpretRegionAs(pHps, NULL, hrgn, AS_WORLD);
1206
1207 LONG lHits = GPI_ERROR;
1208 HRGN hrgnOld;
1209 LONG lComplexity ;
1210 RECTL boundingRect; // this gets a rectangle in world cordinates!
1211
1212 lComplexity = GpiQueryRegionBox(pHps->hps, pHps->hrgnHDC, &boundingRect);
1213 if(lComplexity != RGN_ERROR)
1214 {
1215 lComplexity = GpiSetClipRegion(pHps->hps, pHps->hrgnHDC, &hrgnOld);
1216 if(lComplexity != RGN_ERROR)
1217 {
1218 RECTL rectls[2];
1219 rectls[0] = boundingRect;
1220 rectls[1] = boundingRect;
1221 lHits = GpiBitBlt(pHps->hps, NULL, 3, (PPOINTL)rectls,
1222 ROP_DSTINVERT, 0);
1223
1224 /* Restore the old region */
1225 GpiSetClipRegion(pHps->hps, hrgnOld, &hrgnOld);
1226 }
1227 }
1228
1229 if(lHits == GPI_ERROR || lComplexity == RGN_ERROR)
1230 {
1231 dprintf(("WARNING: InvertRgn error during Gpi operation (%x) (%d,%d)", WinGetLastError(0), lHits, lComplexity));
1232 return FALSE;
1233 }
1234
1235 return TRUE;
1236}
1237//******************************************************************************
1238//******************************************************************************
1239int WIN32API OffsetRgn(HRGN hrgn, int xOffset, int yOffset)
1240{
1241 LONG lComplexity;
1242
1243 hrgn = ObjGetHandleData(hrgn);
1244 if(hrgn == HANDLE_OBJ_ERROR) {
1245 dprintf(("WARNING: OffsetRgn %x %d %d invalid handle!", hrgn, xOffset, yOffset));
1246 SetLastError(ERROR_INVALID_HANDLE_W);
1247 return ERROR_W;
1248 }
1249 dprintf(("OffsetRgn %x %d %d", hrgn, xOffset, yOffset));
1250
1251 POINTL ptlOffset = {xOffset, yOffset};
1252 GpiOffsetRegion(hpsRegion, hrgn, &ptlOffset);
1253
1254 RGNRECT rgnRect;
1255 rgnRect.ircStart = 1;
1256 rgnRect.crc = 0;
1257 rgnRect.ulDirection = RECTDIR_LFRT_TOPBOT; // doesn't make a difference
1258 if(GpiQueryRegionRects(hpsRegion, hrgn, NULL, &rgnRect, NULL))
1259 {
1260 switch (rgnRect.crcReturned) {
1261 case 0:
1262 lComplexity = NULLREGION_W;
1263 break;
1264 case 1:
1265 lComplexity = SIMPLEREGION_W;
1266 break;
1267 default:
1268 lComplexity = COMPLEXREGION_W;
1269 break;
1270 }
1271 }
1272 else {
1273 lComplexity = ERROR_W;
1274 dprintf(("WARNING: OffsetRgn error in region! (%x)", WinGetLastError(0)));
1275 }
1276
1277 SetLastError(ERROR_SUCCESS_W);
1278
1279 return lComplexity;
1280}
1281//******************************************************************************
1282//******************************************************************************
1283BOOL WIN32API FrameRgn(HDC hdc, HRGN hrgn, HBRUSH hBrush, int width, int height)
1284{
1285 HBRUSH hbrushRestore = 0;
1286 pDCData pHps = (pDCData)OSLibGpiQueryDCData((HPS)hdc);
1287
1288 hrgn = ObjGetHandleData(hrgn);
1289 if(!pHps || hrgn == HANDLE_OBJ_ERROR) {
1290 dprintf(("WARNING: FrameRgn %x %x %x (%d,%d) invalid handle!", hdc, hrgn, hBrush, width, height));
1291 SetLastError(ERROR_INVALID_HANDLE_W);
1292 return FALSE;
1293 }
1294
1295 width = abs(width);
1296 height = abs(height);
1297
1298 if(pHps->lastBrushHandle != (UINT)hBrush)
1299 {
1300 hbrushRestore = SelectObject(hdc, hBrush);
1301 if(!hbrushRestore)
1302 {
1303 dprintf(("WARNING: FrameRgn %x %x %x (%d,%d) invalid brush!", hdc, hrgn, hBrush, width, height));
1304 SetLastError(ERROR_INVALID_HANDLE_W);
1305 return FALSE;
1306 }
1307 }
1308 dprintf(("FrameRgn %x %x %x (%d,%d)", hdc, hrgn, hBrush, width, height));
1309 interpretRegionAs(pHps, NULL, hrgn, AS_WORLD);
1310
1311 SIZEL thickness = { width, height };
1312 LONG lHits = GpiFrameRegion(pHps->hps, pHps->hrgnHDC, &thickness);
1313
1314 SetLastError(ERROR_SUCCESS_W);
1315
1316 // Restore the brush if necessary
1317 if(hbrushRestore)
1318 SelectObject(hdc, hbrushRestore);
1319
1320 //todo metafile recording
1321 return (lHits != GPI_ERROR);
1322}
1323//******************************************************************************
1324//******************************************************************************
1325BOOL WIN32API FillRgn(HDC hdc, HRGN hrgn, HBRUSH hBrush)
1326{
1327 BOOL success;
1328 HBRUSH hbrushRestore = 0;
1329
1330 pDCData pHps = (pDCData)OSLibGpiQueryDCData((HPS)hdc);
1331
1332 hrgn = ObjGetHandleData(hrgn);
1333 if(!pHps || hrgn == HANDLE_OBJ_ERROR) {
1334 dprintf(("WARNING: FillRgn %x %x %x invalid handle!", hdc, hrgn, hBrush));
1335 SetLastError(ERROR_INVALID_HANDLE_W);
1336 return FALSE;
1337 }
1338
1339 if(pHps->lastBrushHandle != (UINT)hBrush)
1340 {
1341 hbrushRestore = SelectObject(hdc, hBrush);
1342 if (!hbrushRestore)
1343 {
1344 dprintf(("WARNING: FillRgn %x %x %x invalid brush!", hdc, hrgn, hBrush));
1345 SetLastError(ERROR_INVALID_HANDLE_W);
1346 return FALSE;
1347 }
1348 }
1349 dprintf(("FillRgn %x %x %x", hdc, hrgn, hBrush));
1350
1351 interpretRegionAs(pHps, NULL, hrgn, AS_WORLD);
1352
1353 success = GpiPaintRegion(pHps->hps, pHps->hrgnHDC);
1354
1355 //todo metafile recording
1356
1357 /* Restore the brush if necessary */
1358 if(hbrushRestore)
1359 SelectObject(hdc, hbrushRestore);
1360
1361 return(success);
1362}
1363//******************************************************************************
1364//******************************************************************************
1365BOOL WIN32API PaintRgn(HDC hdc, HRGN hrgn)
1366{
1367 pDCData pHps = (pDCData)OSLibGpiQueryDCData((HPS)hdc);
1368 if(!pHps)
1369 {
1370 SetLastError(ERROR_INVALID_HANDLE_W);
1371 return FALSE;
1372 }
1373
1374 return FillRgn(hdc, hrgn, (HBRUSH) pHps->lastBrushHandle);
1375}
1376//******************************************************************************
1377//******************************************************************************
1378BOOL WIN32API PtInRegion( HRGN hrgn, int x, int y)
1379{
1380 BOOL success;
1381 LONG lInside;
1382
1383 hrgn = ObjGetHandleData(hrgn);
1384 if(hrgn == HANDLE_OBJ_ERROR) {
1385 dprintf(("WARNING: PtInRgn %x (%d,%d) invalid region!", hrgn, x, y));
1386 SetLastError(ERROR_INVALID_HANDLE_W);
1387 return FALSE;
1388 }
1389
1390 POINTL pointl = {x,y};
1391 lInside = GpiPtInRegion(hpsRegion, hrgn, &pointl);
1392 if(lInside == PRGN_ERROR) {
1393 success = FALSE;
1394 }
1395 else success = TRUE;
1396
1397 SetLastError(ERROR_SUCCESS_W);
1398
1399 dprintf(("WARNING: PtInRgn %x (%d,%d) returned %d", hrgn, x, y, (success && lInside == PRGN_INSIDE) ? 1 : 0));
1400
1401 if(success && lInside == PRGN_INSIDE)
1402 return TRUE;
1403 else
1404 return FALSE;
1405}
1406//******************************************************************************
1407//******************************************************************************
1408BOOL WIN32API RectInRegion(HRGN hrgn, const RECT *pRect)
1409{
1410 BOOL success;
1411 LONG lInside;
1412
1413 if(!pRect) {
1414 dprintf(("WARNING: RectInRgn %x %x invalid parameter!", hrgn, pRect));
1415 SetLastError(ERROR_INVALID_PARAMETER_W);
1416 return FALSE;
1417 }
1418 hrgn = ObjGetHandleData(hrgn);
1419 if(hrgn == HANDLE_OBJ_ERROR) {
1420 dprintf(("WARNING: RectInRgn %x %x invalid region", hrgn, pRect));
1421 SetLastError(ERROR_INVALID_HANDLE_W);
1422 return FALSE;
1423 }
1424
1425 RECTL rectl;
1426 MapWin32ToOS2Rect(*pRect, rectl);
1427 //switch bottom & top
1428 UINT temp = rectl.yBottom;
1429 rectl.yBottom = rectl.yTop;
1430 rectl.yTop = temp;
1431
1432 lInside = GpiRectInRegion(hpsRegion, hrgn, &rectl);
1433 if(lInside == RRGN_ERROR) {
1434 success = FALSE;
1435 }
1436 else success = TRUE;
1437
1438 SetLastError(ERROR_SUCCESS_W);
1439
1440 dprintf(("WARNING: RectInRgn %x %x returned %d", hrgn, pRect, (success && (lInside == RRGN_INSIDE || lInside == RRGN_PARTIAL)) ? 1 : 0));
1441
1442 if(success && (lInside == RRGN_INSIDE || lInside == RRGN_PARTIAL))
1443 return TRUE;
1444 else
1445 return FALSE;
1446}
1447//******************************************************************************
1448//Returned region in device coordinates (undocumented behaviour)
1449//******************************************************************************
1450HRGN WIN32API PathToRegion(HDC hdc)
1451{
1452 pDCData pHps = (pDCData)OSLibGpiQueryDCData((HPS)hdc);
1453 if(!pHps)
1454 {
1455 dprintf(("WARNING: PathToRegion %x; invalid hdc!", hdc));
1456 SetLastError(ERROR_INVALID_HANDLE_W);
1457 return NULLHANDLE;
1458 }
1459
1460 HRGN hrgn, hrgnTemp, hrgnwin;
1461
1462 dprintf(("GDI32: PathToRegion %x", hdc));
1463
1464 hrgnTemp = GpiPathToRegion(pHps->hps, 1, (pHps->polyFillMode == ALTERNATE_W) ? FPATH_ALTERNATE : FPATH_WINDING);
1465 if(hrgnTemp == NULLHANDLE)
1466 goto error;
1467
1468 hrgnwin = CreateRectRgn(1, 1, 2, 2);
1469 hrgn = ObjGetHandleData(hrgnwin);
1470 if(hrgn == HANDLE_OBJ_ERROR) {
1471 dprintf(("WARNING: PathToRegion invalid region", hrgnwin));
1472 SetLastError(ERROR_INVALID_HANDLE_W);
1473 return NULLHANDLE;
1474 }
1475
1476 if(!setWinDeviceRegionFromPMDeviceRegion(hrgn, hrgnTemp, pHps, NULL))
1477 goto error;
1478
1479 GpiDestroyRegion(pHps->hps, hrgnTemp);
1480
1481 return hrgnwin;
1482
1483error:
1484 if(hrgnwin)
1485 DeleteObject(hrgnwin);
1486
1487 SetLastError(ERROR_INVALID_HANDLE_W); //todo right error
1488 return NULLHANDLE;
1489}
1490//******************************************************************************
1491//******************************************************************************
1492void OSLibDeleteRegion(HANDLE hRegion)
1493{
1494 if(GpiDestroyRegion(hpsRegion, hRegion) == FALSE) {
1495 dprintf(("WARNING: OSLibDeleteRegion %x; GpiDestroyRegion failed (%x)", hRegion, WinGetLastError(0)));
1496 }
1497}
1498/*****************************************************************************
1499 * Name : int GetMetaRgn
1500 * Purpose : The GetMetaRgn function retrieves the current metaregion for
1501 * the specified device context.
1502 * Parameters: HDC hdc handle of device context
1503 * HRGN hrgn handle of region
1504 * Variables :
1505 * Result : 0 / 1
1506 * Remark :
1507 * Status : UNTESTED STUB
1508 *
1509 * Author : Patrick Haller [Mon, 1998/06/15 08:00]
1510 *****************************************************************************/
1511
1512int WIN32API GetMetaRgn(HDC hdc,
1513 HRGN hrgn)
1514{
1515 dprintf(("GDI32: GetMetaRgn(%08xh, %08xh) not implemented.\n",
1516 hdc,
1517 hrgn));
1518
1519 SetLastError(ERROR_SUCCESS_W);
1520 return (0);
1521}
1522/*****************************************************************************
1523 * Name : int SetMetaRgn
1524 * Purpose : The SetMetaRgn function intersects the current clipping region
1525 * for the specified device context with the current metaregion
1526 * and saves the combined region as the new metaregion for the
1527 * specified device context. The clipping region is reset to a null region.
1528 * Parameters: HDC hdc handle of device context
1529 * Variables :
1530 * Result : TRUE / FALSE
1531 * Remark :
1532 * Status : UNTESTED STUB
1533 *
1534 * Author : Patrick Haller [Mon, 1998/06/15 08:00]
1535 *****************************************************************************/
1536
1537BOOL WIN32API SetMetaRgn(HDC hdc)
1538{
1539 dprintf(("GDI32: SetMetaRgn(%08xh) not implemented.\n",
1540 hdc));
1541
1542 SetLastError(ERROR_SUCCESS_W);
1543 return (NULLREGION_W);
1544}
1545//******************************************************************************
1546//******************************************************************************
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