source: trunk/src/user32/new/dc.cpp@ 906

Last change on this file since 906 was 903, checked in by dengert, 26 years ago

some more DC related functions
File size: 19.7 KB
Line 
1/* $Id: dc.cpp,v 1.2 1999-09-10 19:00:10 dengert Exp $ */
2
3/*
4 * DC functions for USER32
5 *
6 * Project Odin Software License can be found in LICENSE.TXT
7 *
8 */
9
10#define INCL_WIN
11#define INCL_GPI
12#define INCL_GREALL
13#define INCL_DEV
14#include <os2.h>
15#include <pmddi.h>
16#include <os2sel.h>
17#include <stdlib.h>
18#include "win32type.h"
19#include <winconst.h>
20#include <wprocess.h>
21#include <misc.h>
22#include <win32wbase.h>
23#include <math.h>
24#include <limits.h>
25
26#ifndef OPEN32API
27#define OPEN32API _System
28#endif
29
30/*********************/
31typedef struct _tagXFORM
32{
33 FLOAT eM11;
34 FLOAT eM12;
35 FLOAT eM21;
36 FLOAT eM22;
37 FLOAT eDx;
38 FLOAT eDy;
39} XFORM_W, *PXFORM_W, *LPXFORM_W;
40
41typedef struct
42{
43 HDC hdc;
44 BOOL fErase;
45 RECT rcPaint;
46 BOOL fRestore;
47 BOOL fIncUpdate;
48 BYTE rgbReserved[32];
49} PAINTSTRUCT_W, *PPAINTSTRUCT_W, *LPPAINTSTRUCT_W;
50
51#define PS_SOLID_W 0x00000000
52#define PS_DASH_W 0x00000001
53#define PS_DOT_W 0x00000002
54#define PS_DASHDOT_W 0x00000003
55#define PS_DASHDOTDOT_W 0x00000004
56#define PS_NULL_W 0x00000005
57#define PS_INSIDEFRAME_W 0x00000006
58#define PS_USERSTYLE_W 0x00000007
59#define PS_ALTERNATE_W 0x00000008
60#define PS_STYLE_MASK_W 0x0000000f
61
62typedef struct
63{
64 UINT lopnStyle;
65 POINT lopnWidth;
66 ULONG lopnColor;
67} LOGPEN_W, *LPLOGPEN_W;
68
69typedef struct tagEXTLOGPEN
70{
71 DWORD elpPenStyle;
72 DWORD elpWidth;
73 DWORD elpBrushStyle;
74 DWORD elpColor;
75 DWORD elpNumEntries;
76 DWORD elpStyleEntry[1];
77} EXTLOGPEN_W, *PEXTLOGPEN_W, *NPEXTLOGPEN_W, *LPEXTLOGPEN_W;
78
79typedef struct
80{
81 UINT lbStyle;
82 ULONG lbColor;
83 INT lbHatch;
84} LOGBRUSH_W, *LPLOGBRUSH_W;
85
86typedef struct _penobject
87{
88 ULONG filler[9];
89 union {
90 struct {
91 PEXTLOGPEN_W pExtLogPen;
92 LOGBRUSH_W logbrush;
93 LOGPEN_W logpen;
94 } ExtPen;
95 struct {
96 LOGPEN_W logpen;
97 } Pen;
98 };
99} tPenObject, *pPenObject;
100
101/* DC Graphics Mode */
102#define GM_COMPATIBLE_W 1
103#define GM_ADVANCED_W 2
104
105#define DCX_WINDOW 0x00000001L
106#define DCX_CACHE 0x00000002L
107#define DCX_NORESETATTRS 0x00000004L
108#define DCX_CLIPCHILDREN 0x00000008L
109#define DCX_CLIPSIBLINGS 0x00000010L
110#define DCX_PARENTCLIP 0x00000020L
111#define DCX_EXCLUDERGN 0x00000040L
112#define DCX_INTERSECTRGN 0x00000080L
113#define DCX_EXCLUDEUPDATE 0x00000100L
114#define DCX_INTERSECTUPDATE 0x00000200L
115#define DCX_LOCKWINDOWUPDATE 0x00000400L
116#define DCX_VALIDATE 0x00200000L
117
118/* Xform FLAGS */
119#define MWT_IDENTITY_W 1
120#define MWT_LEFTMULTIPLY_W 2
121#define MWT_RIGHTMULTIPLY_W 3
122
123/* Mapping Modes */
124#define MM_TEXT_W 1
125#define MM_LOMETRIC_W 2
126#define MM_HIMETRIC_W 3
127#define MM_LOENGLISH_W 4
128#define MM_HIENGLISH_W 5
129#define MM_TWIPS_W 6
130#define MM_ISOTROPIC_W 7
131#define MM_ANISOTROPIC_W 8
132
133enum PS_Type { MICRO_CACHED, MICRO, NORMAL };
134enum HDC_Type{ TYPE_0, TYPE_1, TYPE_2, TYPE_3, TYPE_4 };
135
136typedef struct _DCData
137{
138 HDC hdc;
139 HWND hwnd;
140 HPS hps;
141
142 UINT lastBrushHandle;
143 PVOID lastBrushObject;
144 UINT lastPenHandle;
145 pPenObject lastPenObject;
146 UINT lastFontHandle;
147 PVOID lastFontObject;
148 UINT lastBitmapHandle;
149 PVOID lastBitmapObject;
150 UINT lastPaletteHandle;
151 PVOID lastPaletteObject;
152
153 UINT nullBitmapHandle;
154
155 ULONG BkColor;
156 ULONG TextColor;
157 ULONG BkColor_PM;
158 ULONG TextColor_PM;
159
160 int BkMode;
161 ULONG BkMode_PM;
162
163 int ROP2Mode;
164 int ROP2Mode_PM;
165
166 unsigned isMemoryPS:1;
167 unsigned isMetaPS:1;
168 unsigned isPrinter:1;
169 unsigned isFrameWindow:1;
170 unsigned isOD_QUEUED:1;
171 unsigned isOD_INFO:1;
172 unsigned isClient:1;
173 unsigned isClientArea:1;
174 unsigned isLeftLeft:1;
175 unsigned isTopTop:1;
176 unsigned isWideLine:1;
177 unsigned alignUpdateCP:1;
178 unsigned isCacheable:1;
179 unsigned penIsExtPen:1;
180 unsigned isValid:1;
181 unsigned inPath:1;
182 unsigned isStartDoc:1;
183 unsigned resetStockFonts:1;
184 unsigned unused:14;
185
186 ULONG MapMode;
187 HBITMAP bitmapHandle;
188 ULONG bitmapHeight;
189 ULONG bitmapWidth;
190 ULONG hMeta;
191 PVOID pMetaFileObject;
192 int polyFillMode;
193 int arcDirection;
194 int stretchBltMode;
195 int graphicsMode;
196 HRGN hrgnHDC;
197
198 PS_Type psType;
199
200 HDC_Type hdcType;
201 USHORT usFiller;
202 POINTL viewportOrg;
203 double viewportXExt;
204 double viewportYExt;
205 POINTL windowOrg;
206 SIZEL windowExt;
207 HRGN hrgnVis;
208 POINTL ptlOrigin;
209 ULONG printPageHeight;
210 PVOID printerObject;
211
212 LONG taMode;
213 XFORM_W xform;
214
215 INT worldYDeltaFor1Pixel;
216 INT worldXDeltaFor1Pixel;
217 ULONG colorMode;
218 PULONG pLogColorTable;
219
220 ULONG lcidBitfield;
221
222 HWND hwndRealize;
223 ULONG cpeMap;
224
225 LONG lTechnology;
226
227 LONG lWndXExtSave, lWndYExtSave,
228 lVwpXExtSave, lVwpYExtSave;
229
230 int height;
231
232 POINTL brushOrgPoint;
233
234 PVOID pEnhMetaPalette;
235 PVOID lpAbortProc;
236 ULONG HPStoHDCInversionHeight;
237
238 int saveLevel;
239
240 struct _DCData *nextDCData;
241} tDCData, *pDCData;
242
243/*********************/
244
245BOOL APIENTRY GpiEnableYInversion (HPS hps, LONG lHeight);
246LONG APIENTRY GpiQueryYInversion (HPS hps);
247PVOID APIENTRY GpiAllocateDCData (HPS GpiH, ULONG size);
248PVOID APIENTRY GpiQueryDCData (HPS hps);
249HDC OPEN32API HPSToHDC (HWND hwnd, HPS hps, HDC hdc, PVOID);
250void OPEN32API DeleteHDC (HDC hdc);
251BOOL OPEN32API _O32_EndPaint (HWND hwnd, const PAINTSTRUCT_W *lpps);
252int OPEN32API _O32_GetUpdateRgn (HWND hwnd, HRGN hrgn, BOOL erase);
253
254#define FLOAT_TO_FIXED(x) ((FIXED) ((x) * 65536.0))
255#define MICRO_HPS_TO_HDC(x) ((x) & 0xFFFFFFFE)
256
257#define PMRECT_FROM_WINRECT( pmRect, winRect ) \
258{ \
259 (pmRect).xLeft = (winRect).left; \
260 (pmRect).yBottom = (winRect).bottom; \
261 (pmRect).xRight = (winRect).right; \
262 (pmRect).yTop = (winRect).top; \
263}
264
265#define WINRECT_FROM_PMRECT( winRect, pmRect ) \
266{ \
267 (winRect).left = (pmRect).xLeft; \
268 (winRect).top = (pmRect).yTop; \
269 (winRect).right = (pmRect).xRight; \
270 (winRect).bottom = (pmRect).yBottom; \
271}
272
273#define MEM_HPS_MAX 768
274
275const XFORM_W XFORMIdentity = { 1.0, 0.0, 0.0, 1.0, 0, 0 };
276const MATRIXLF matrixlfIdentity = { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0};
277
278BOOL setPageXForm(pDCData pHps);
279BOOL changePageXForm(pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev);
280LONG clientHeight(HWND hwnd, pDCData pHps);
281
282void TestWideLine (pDCData pHps)
283{
284 const LOGPEN_W *pLogPen;
285
286 pHps->isWideLine = FALSE;
287 pLogPen = pHps->penIsExtPen ?
288 &(pHps->lastPenObject->ExtPen.logpen) :
289 &(pHps->lastPenObject->Pen.logpen);
290
291 if (((pLogPen->lopnStyle & PS_STYLE_MASK_W) != PS_NULL_W) &&
292 (pLogPen->lopnWidth.x > 0))
293 {
294 POINTL aptl[2] = { 0, 0, pLogPen->lopnWidth.x, pLogPen->lopnWidth.x };
295
296 GpiConvert(pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, aptl);
297
298 ULONG dx = abs(aptl[0].x - aptl[1].x);
299 ULONG dy = abs(aptl[0].y - aptl[1].y);
300
301 pHps->isWideLine = (dx > 1) || (dy > 1);
302 }
303}
304
305void Calculate1PixelDelta(pDCData pHps)
306{
307 POINTL aptl[2] = {0, 0, 1, 1};
308
309 GpiConvert(pHps->hps, CVTC_DEVICE, CVTC_WORLD, 2, aptl);
310 pHps->worldYDeltaFor1Pixel = (int)(aptl[1].y - aptl[0].y);
311 pHps->worldXDeltaFor1Pixel = (int)(aptl[1].x - aptl[0].x); // 171182
312}
313
314//******************************************************************************
315
316int setMapMode(pDCData pHps, int mode)
317{
318 int prevMode = 0;
319 ULONG flOptions;
320
321 switch (mode)
322 {
323 case MM_HIENGLISH_W : flOptions = PU_HIENGLISH; break;
324 case MM_LOENGLISH_W : flOptions = PU_LOENGLISH; break;
325 case MM_HIMETRIC_W : flOptions = PU_HIMETRIC ; break;
326 case MM_LOMETRIC_W : flOptions = PU_LOMETRIC ; break;
327 case MM_TEXT_W : flOptions = PU_PELS ; break;
328 case MM_TWIPS_W : flOptions = PU_TWIPS ; break;
329 case MM_ANISOTROPIC_W: flOptions = PU_PELS ; break;
330 case MM_ISOTROPIC_W : flOptions = PU_LOMETRIC ; break;
331 default:
332// SET_ERROR_WIN(ERROR_INVALID_PARAMETER_W);
333 return FALSE;
334 }
335
336 prevMode = pHps->MapMode; /* store previous mode */
337 pHps->MapMode = mode;
338
339 if (mode == MM_TEXT_W)
340 {
341 pHps->viewportXExt =
342 pHps->viewportYExt = 1.0;
343 pHps->windowExt.cx =
344 pHps->windowExt.cy = 1;
345 }
346 else if (mode != MM_ANISOTROPIC_W)
347 {
348 RECTL rectl;
349 SIZEL sizel;
350 ULONG data[3];
351
352 data[0] = flOptions;
353 data[1] = data[2] = 0;
354
355 if (DevEscape(pHps->hdc ? pHps->hdc : pHps->hps, DEVESC_SETPS, 12, (PBYTE)data, 0, 0) == DEVESC_ERROR)
356 {
357// SET_ERROR_LAST();
358 return 0;
359 }
360
361 GpiQueryPageViewport(pHps->hps, &rectl);
362 pHps->viewportXExt = (double)rectl.xRight;
363 pHps->viewportYExt = -(double)rectl.yTop;
364
365 GreGetPageUnits(pHps->hdc? pHps->hdc : pHps->hps, &sizel);
366 pHps->windowExt.cx = sizel.cx;
367 pHps->windowExt.cy = sizel.cy;
368
369 data[0] = PU_PELS;
370 DevEscape(pHps->hdc ? pHps->hdc : pHps->hps, DEVESC_SETPS, 12, (PBYTE)data, 0, 0);
371 }
372
373 if (((prevMode != MM_ISOTROPIC_W) && (prevMode != MM_ANISOTROPIC_W)) &&
374 ((mode == MM_ISOTROPIC_W) || (mode == MM_ANISOTROPIC_W)))
375 {
376 if (pHps->lWndXExtSave && pHps->lWndYExtSave)
377 {
378 changePageXForm( pHps, (PPOINTL)&pHps->windowExt,
379 pHps->lWndXExtSave, pHps->lWndYExtSave, NULL );
380 pHps->lWndXExtSave = pHps->lWndYExtSave = 0;
381 }
382 if (pHps->lVwpXExtSave && pHps->lVwpYExtSave)
383 {
384 changePageXForm( pHps, NULL,
385 pHps->lVwpXExtSave, pHps->lVwpYExtSave, NULL );
386 pHps->lVwpXExtSave = pHps->lVwpYExtSave = 0;
387 }
388 }
389
390 setPageXForm(pHps);
391
392 return prevMode;
393}
394
395BOOL setPageXForm(pDCData pHps)
396{
397 MATRIXLF mlf;
398 BOOL rc = TRUE;
399
400 pHps->height = clientHeight(0, pHps) - 1;
401
402 double xScale = pHps->viewportXExt / (double)pHps->windowExt.cx;
403 double yScale = pHps->viewportYExt / (double)pHps->windowExt.cy;
404
405 mlf.fxM11 = FLOAT_TO_FIXED(xScale);
406 mlf.fxM12 = 0;
407 mlf.lM13 = 0;
408 mlf.fxM21 = 0;
409 mlf.fxM22 = FLOAT_TO_FIXED(yScale);
410 mlf.lM23 = 0;
411 mlf.lM31 = pHps->viewportOrg.x - (LONG)(pHps->windowOrg.x * xScale);
412 mlf.lM32 = pHps->viewportOrg.y - (LONG)(pHps->windowOrg.y * yScale);
413
414 pHps->isLeftLeft = mlf.fxM11 >= 0;
415 pHps->isTopTop = mlf.fxM22 >= 0;
416
417 BOOL bEnableYInversion = FALSE;
418 if ((mlf.fxM22 > 0) ||
419 ((pHps->graphicsMode == GM_ADVANCED_W) &&
420 ((pHps->MapMode == MM_ANISOTROPIC_W) ||
421 (pHps->MapMode == MM_ISOTROPIC_W))))
422 {
423 bEnableYInversion = TRUE;
424 }
425 else
426 {
427 bEnableYInversion = FALSE;
428 mlf.lM32 = pHps->HPStoHDCInversionHeight + pHps->height - mlf.lM32;
429 mlf.fxM22 = -mlf.fxM22;
430 }
431
432 if (!pHps->isMetaPS)
433// if ((!pHps->isMetaPS) ||
434// (pHps->pMetaFileObject && pHps->pMetaFileObject->isEnhanced()))
435 rc = GpiSetDefaultViewMatrix(pHps->hps, 8, &mlf, TRANSFORM_REPLACE);
436
437 if (bEnableYInversion)
438 GpiEnableYInversion(pHps->hps, pHps->height + pHps->HPStoHDCInversionHeight);
439 else
440 GpiEnableYInversion(pHps->hps, 0);
441
442 TestWideLine(pHps);
443 Calculate1PixelDelta(pHps);
444 return rc;
445}
446
447BOOL changePageXForm(pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev)
448{
449 BOOL result = FALSE;
450
451 if (pValue)
452 {
453 if (pPrev)
454 *pPrev = *pValue;
455
456 if ((pValue->x == x) && (pValue->y == y)) {
457 return TRUE;
458 }
459 pValue->x = x;
460 pValue->y = y;
461 }
462 else
463 {
464 if (pPrev)
465 {
466 pPrev->x = (int)pHps->viewportXExt;
467 pPrev->y = (int)pHps->viewportYExt;
468 }
469 pHps->viewportXExt = (double)x;
470 pHps->viewportYExt = (double)y;
471 }
472
473 if (pHps->MapMode == MM_ISOTROPIC_W)
474 {
475 double xExt = fabs(pHps->viewportXExt);
476 double yExt = fabs(pHps->viewportYExt);
477 double sf = fabs((double)pHps->windowExt.cx / pHps->windowExt.cy);
478
479 if (xExt > (yExt * sf))
480 {
481 xExt = yExt * sf;
482
483 if ((double)LONG_MAX <= xExt) return (result);
484
485 if (pHps->viewportXExt < 0.0)
486 pHps->viewportXExt = -xExt;
487 else
488 pHps->viewportXExt = xExt;
489 }
490 else
491 {
492 yExt = xExt / sf;
493
494 if ((double)LONG_MAX <= yExt) return (result);
495
496 if (pHps->viewportYExt < 0.0)
497 pHps->viewportYExt = -yExt;
498 else
499 pHps->viewportYExt = yExt;
500 }
501 }
502 result = setPageXForm(pHps);
503
504 return (result);
505}
506
507LONG clientHeight(HWND hwnd, pDCData pHps)
508{
509 if ((hwnd == 0) && (pHps != 0))
510 hwnd = pHps->hwnd;
511
512 if ((hwnd != 0) || (pHps == 0))
513 {
514 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromOS2Handle(hwnd);
515 return (wnd->getWindowHeight());
516 }
517 else if (pHps->bitmapHandle)
518 {
519 return pHps->bitmapHeight;
520 }
521 else if (pHps->isMetaPS)
522 {
523 return 0;
524 }
525 else if (pHps->isPrinter)
526 {
527 return pHps->printPageHeight;
528 }
529 else
530 {
531 return MEM_HPS_MAX;
532 }
533}
534
535VOID removeClientArea(pDCData pHps)
536{
537 pHps->isClient = FALSE;
538
539 if (pHps->isClientArea)
540 {
541 pHps->isClientArea = FALSE;
542 GreSetupDC(pHps->hps,
543 pHps->hrgnVis,
544 pHps->ptlOrigin.x,
545 pHps->ptlOrigin.y,
546 0,
547 SETUPDC_ORIGIN | SETUPDC_VISRGN | SETUPDC_RECALCCLIP);
548 }
549}
550
551void selectClientArea(Win32BaseWindow *wnd, pDCData pHps, PRECTL prclPaint)
552{
553 RECTL rcl;
554 HRGN hrgnRect;
555 HWND hwnd;
556
557 pHps->isClient = TRUE;
558 hwnd = pHps->hwnd;
559
560 rcl.xLeft = rcl.yBottom = 0;
561 rcl.xRight = wnd->getWindowWidth();
562 rcl.yTop = wnd->getWindowHeight();
563
564 WinMapWindowPoints(hwnd, HWND_DESKTOP, (PPOINTL) &rcl, 2);
565 pHps->ptlOrigin = *((PPOINTL) &rcl);
566
567 if (pHps->hrgnVis == 0)
568 pHps->hrgnVis = GreCreateRectRegion(pHps->hps, &rcl, 1);
569
570 hrgnRect = GreCreateRectRegion(pHps->hps, &rcl, 1);
571
572 if (!pHps->isClientArea)
573 GreCopyClipRegion(pHps->hps, pHps->hrgnVis, 0, COPYCRGN_VISRGN);
574
575 GreCombineRegion(pHps->hps, hrgnRect, pHps->hrgnVis, hrgnRect, CRGN_AND);
576 GreSetupDC(pHps->hps,
577 hrgnRect,
578 rcl.xLeft,
579 rcl.yBottom,
580 prclPaint,
581 SETUPDC_ORIGIN | SETUPDC_VISRGN | SETUPDC_RECALCCLIP);
582
583 pHps->isClientArea = TRUE;
584 GreDestroyRegion(pHps->hps, hrgnRect);
585}
586
587HDC sendEraseBkgnd (Win32BaseWindow *wnd)
588{
589 BOOL erased;
590 HWND hwnd;
591 HDC hdc;
592 HPS hps;
593 HRGN hrgnUpdate, hrgnOld, hrgnClip, hrgnCombined;
594 RECTL rectl = { 1, 1, 2, 2 };
595
596 hwnd = wnd->getOS2WindowHandle();
597 hps = WinGetPS(hwnd);
598
599 hrgnUpdate = GpiCreateRegion (hps, 1, &rectl);
600 WinQueryUpdateRegion (hwnd, hrgnUpdate);
601 hrgnClip = GpiQueryClipRegion (hps);
602
603 if (hrgnClip == NULLHANDLE)
604 {
605 GpiSetClipRegion (hps, hrgnUpdate, &hrgnOld);
606 }
607 else
608 {
609 hrgnCombined = GpiCreateRegion (hps, 1, &rectl);
610 GpiCombineRegion (hps, hrgnCombined, hrgnClip, hrgnUpdate, CRGN_AND);
611 GpiSetClipRegion (hps, hrgnCombined, &hrgnOld);
612 GpiDestroyRegion (hps, hrgnUpdate);
613 GpiDestroyRegion (hps, hrgnClip);
614 }
615 if (hrgnOld != NULLHANDLE)
616 GpiDestroyRegion (hps, hrgnOld);
617
618 hdc = HPSToHDC (hwnd, hps, NULL, NULL);
619
620 erased = wnd->MsgEraseBackGround (hdc);
621
622 DeleteHDC (hdc);
623 WinReleasePS (hps);
624
625 return erased;
626}
627
628HDC WIN32API BeginPaint (HWND hWnd, PPAINTSTRUCT_W lpps)
629{
630 HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
631 pDCData pHps = NULLHANDLE;
632 RECTL rect;
633 HPS hPS_ownDC = NULLHANDLE;
634
635dprintf (("USER32: BeginPaint(%x)", hWnd));
636
637 if ( !lpps )
638 {
639// SET_ERROR_WIN( ERROR_INVALID_PARAMETER_W );
640 return (HDC)NULLHANDLE;
641 }
642
643 USHORT sel = RestoreOS2FS();
644 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
645
646 if ((hwnd != HWND_DESKTOP) && wnd->isOwnDC())
647 {
648 hPS_ownDC = wnd->getOwnDC();
649 pHps = (pDCData)GpiQueryDCData(hPS_ownDC);
650 if (!pHps)
651 {
652// SET_ERROR_LAST();
653 SetFS(sel);
654 return (HDC)NULLHANDLE;
655 }
656 }
657
658 HWND hwndClient = wnd->getOS2WindowHandle();
659 HPS hps = WinBeginPaint(hwndClient, hPS_ownDC, &rect);
660
661 if (!pHps)
662 {
663 HDC hdc = HPSToHDC (hwndClient, hps, NULL, NULL);
664 pHps = (pDCData)GpiQueryDCData(hps);
665 }
666
667 if (wnd->isFrameWindow())
668 {
669// WinSendMsg( hwnd, /* WM_DRAW */ 0x20D, (MPARAM)hps, MPVOID );
670 selectClientArea(wnd, pHps, &rect);
671 }
672
673 if (hPS_ownDC == 0)
674 setMapMode(pHps, MM_TEXT_W);
675 else
676 setPageXForm(pHps);
677
678 pHps->hdcType = TYPE_3;
679 lpps->hdc = (HDC)hps;
680 lpps->fErase = !wnd->MsgEraseBackGround(lpps->hdc);
681
682 if (!hPS_ownDC)
683 {
684 long height = wnd->getWindowHeight();
685 rect.yTop = height - rect.yTop;
686 rect.yBottom = height - rect.yBottom;
687 }
688 else
689 {
690 rect.yTop--;
691 rect.yBottom--;
692 GpiConvert(pHps->hps, CVTC_DEVICE, CVTC_WORLD, 2, (PPOINTL)&rect);
693 }
694
695 WINRECT_FROM_PMRECT(lpps->rcPaint, rect);
696
697 SetFS(sel);
698 return (HDC)pHps->hps;
699}
700
701BOOL WIN32API EndPaint (HWND hwnd, const PAINTSTRUCT_W *pPaint)
702{
703dprintf (("USER32: EndPaint(%x)", hwnd));
704
705 if (!pPaint || !pPaint->hdc )
706 return TRUE;
707
708 USHORT sel = RestoreOS2FS();
709 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
710
711 if (!wnd) goto exit;
712
713 if (wnd->isOwnDC())
714 {
715 pDCData pHps = (pDCData)GpiQueryDCData((HPS)pPaint->hdc);
716 if (pHps && (pHps->hdcType == TYPE_3))
717 {
718 removeClientArea (pHps);
719 WinEndPaint (pHps->hps);
720 }
721 }
722 else
723 {
724 _O32_EndPaint (HWND_DESKTOP, pPaint);
725 }
726
727exit:
728 SetFS(sel);
729 return TRUE;
730}
731
732BOOL WIN32API GetUpdateRect (HWND hwnd, LPRECT pRect, BOOL erase)
733{
734 if (hwnd)
735 {
736// SET_ERROR_WIN( ERROR_INVALID_HANDLE_W );
737 return FALSE;
738 }
739
740 RECTL rectl;
741 USHORT sel = RestoreOS2FS();
742 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
743
744 BOOL updateRegionExists = WinQueryUpdateRect (hwnd, pRect ? &rectl : NULL);
745 if (!pRect) {
746 SetFS(sel);
747 return (updateRegionExists);
748 }
749
750 if (updateRegionExists)
751 {
752 if (wnd->isOwnDC())
753 {
754 pDCData pHps = NULL;
755 pHps = (pDCData)GpiQueryDCData(wnd->getOwnDC());
756 if (!pHps)
757 {
758// SET_ERROR_WIN(ERROR_INVALID_HANDLE_W);
759 SetFS(sel);
760 return FALSE;
761 }
762 GpiConvert (pHps->hps, CVTC_DEVICE, CVTC_WORLD, 2, (PPOINTL)&rectl);
763 }
764 else
765 {
766 long height = wnd->getWindowHeight();
767 rectl.yTop = height - rectl.yTop;
768 rectl.yBottom = height - rectl.yBottom;
769 }
770
771 if (pRect)
772 WINRECT_FROM_PMRECT (*pRect, rectl);
773
774 if (erase)
775 sendEraseBkgnd (wnd);
776 }
777 else
778 {
779 if (pRect)
780 pRect->left = pRect->top = pRect->right = pRect->bottom = 0;
781 }
782
783 SetFS(sel);
784 return updateRegionExists;
785}
786
787int WIN32API GetUpdateRgn (HWND hwnd, HRGN hrgn, BOOL erase)
788{
789 USHORT sel = RestoreOS2FS();
790 LONG Complexity;
791
792 Complexity = _O32_GetUpdateRgn (hwnd, hrgn, FALSE);
793 if (erase && (Complexity > NULLREGION_W)) {
794 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
795 sendEraseBkgnd (wnd);
796 }
797
798 SetFS(sel);
799 return Complexity;
800}
801
802//******************************************************************************
803//******************************************************************************
804
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