source: trunk/src/user32/text.cpp@ 7043

Last change on this file since 7043 was 5810, checked in by sandervl, 24 years ago

Replaced TabbedTextOutA/W & GetTabbedTextExtentA/W with Wine version
File size: 11.9 KB
Line 
1/* $Id: text.cpp,v 1.12 2001-05-27 19:01:35 sandervl Exp $ */
2
3/*
4 * Font and Text Functions
5 *
6 * Copyright 1999 Christoph Bratschi
7 *
8 * Copyright 1993, 1994 Alexandre Julliard
9 *
10 * Project Odin Software License can be found in LICENSE.TXT
11 */
12
13#include "winuser.h"
14#include "user32.h"
15#include "syscolor.h"
16#include <winnls.h>
17
18#define DBG_LOCALLOG DBG_text
19#include "dbglocal.h"
20
21//WINE parts: wine-991031
22
23INT WIN32API DrawTextA(HDC hDC,LPCSTR lpString,INT nCount,PRECT lpRect,UINT nFormat)
24{
25 dprintf(("USER32: DrawTextA %x %s %d (%d,%d)(%d,%d) %x",hDC, lpString, nCount, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom, nFormat));
26
27 return InternalDrawTextExA(hDC,lpString,nCount,lpRect,nFormat,NULL,FALSE);
28}
29//******************************************************************************
30//******************************************************************************
31INT WIN32API DrawTextW(HDC hDC,LPCWSTR lpString,INT nCount,PRECT lpRect,UINT nFormat)
32{
33 dprintf(("USER32: DrawTextA %x %ls %d (%d,%d)(%d,%d) %x",hDC, lpString, nCount, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom, nFormat));
34
35 return InternalDrawTextExW(hDC,lpString,nCount,lpRect,nFormat,NULL,FALSE);
36}
37//******************************************************************************
38//******************************************************************************
39INT WIN32API DrawTextExA(HDC hdc,LPCSTR lpchText,INT cchText,LPRECT lprc,UINT dwDTFormat,LPDRAWTEXTPARAMS lpDTParams)
40{
41 dprintf(("USER32: DrawTextExA %x %s %d (%d,%d)(%d,%d) %x",hdc, lpchText, cchText, lprc->left, lprc->top, lprc->right, lprc->bottom, dwDTFormat));
42
43 return InternalDrawTextExA(hdc,lpchText,cchText,lprc,dwDTFormat,lpDTParams,TRUE);
44}
45//******************************************************************************
46//******************************************************************************
47int WIN32API DrawTextExW(HDC hdc,LPWSTR lpchText,INT cchText,LPRECT lprc,UINT dwDTFormat,LPDRAWTEXTPARAMS lpDTParams)
48{
49 dprintf(("USER32: DrawTextExA %x %ls %d (%d,%d)(%d,%d) %x",hdc, lpchText, cchText, lprc->left, lprc->top, lprc->right, lprc->bottom, dwDTFormat));
50
51 return InternalDrawTextExW(hdc,lpchText,cchText,lprc,dwDTFormat,lpDTParams,TRUE);
52}
53#if 1
54//Based on Wine version 20010510
55/***********************************************************************
56 * TEXT_TabbedTextOut
57 *
58 * Helper function for TabbedTextOut() and GetTabbedTextExtent().
59 * Note: this doesn't work too well for text-alignment modes other
60 * than TA_LEFT|TA_TOP. But we want bug-for-bug compatibility :-)
61 */
62static LONG TEXT_TabbedTextOut( HDC hdc, INT x, INT y, LPCSTR lpstr,
63 INT count, INT cTabStops, const INT16 *lpTabPos16,
64 const INT *lpTabPos32, INT nTabOrg,
65 BOOL fDisplayText )
66{
67 INT defWidth;
68 SIZE extent;
69 int i, tabPos = x;
70 int start = x;
71
72 extent.cx = 0;
73 extent.cy = 0;
74
75 if (cTabStops == 1)
76 {
77 defWidth = lpTabPos32 ? *lpTabPos32 : *lpTabPos16;
78 cTabStops = 0;
79 }
80 else
81 {
82 TEXTMETRICA tm;
83 GetTextMetricsA( hdc, &tm );
84 defWidth = 8 * tm.tmAveCharWidth;
85 }
86
87 while (count > 0)
88 {
89 for (i = 0; i < count; i++)
90 if (lpstr[i] == '\t') break;
91 GetTextExtentPointA( hdc, lpstr, i, &extent );
92 if (lpTabPos32)
93 {
94 while ((cTabStops > 0) &&
95 (nTabOrg + *lpTabPos32 <= x + extent.cx))
96 {
97 lpTabPos32++;
98 cTabStops--;
99 }
100 }
101 else
102 {
103 while ((cTabStops > 0) &&
104 (nTabOrg + *lpTabPos16 <= x + extent.cx))
105 {
106 lpTabPos16++;
107 cTabStops--;
108 }
109 }
110 if (i == count)
111 tabPos = x + extent.cx;
112 else if (cTabStops > 0)
113 tabPos = nTabOrg + (lpTabPos32 ? *lpTabPos32 : *lpTabPos16);
114 else
115 tabPos = nTabOrg + ((x + extent.cx - nTabOrg) / defWidth + 1) * defWidth;
116 if (fDisplayText)
117 {
118 RECT r;
119 r.left = x;
120 r.top = y;
121 r.right = tabPos;
122 r.bottom = y + extent.cy;
123 ExtTextOutA( hdc, x, y,
124 GetBkMode(hdc) == OPAQUE ? ETO_OPAQUE : 0,
125 &r, lpstr, i, NULL );
126 }
127 x = tabPos;
128 count -= i+1;
129 lpstr += i+1;
130 }
131 return MAKELONG(tabPos - start, extent.cy);
132}
133
134
135
136/***********************************************************************
137 * TabbedTextOutA (USER32.@)
138 */
139LONG WINAPI TabbedTextOutA( HDC hdc, INT x, INT y, LPCSTR lpstr, INT count,
140 INT cTabStops, INT *lpTabPos, INT nTabOrg )
141{
142 dprintf(("USER32: TabbedTextOutA %x (%d,%d) %s %d %d %x %d", hdc, x, y, lpstr, count, cTabStops, lpTabPos, nTabOrg));
143 return TEXT_TabbedTextOut( hdc, x, y, lpstr, count, cTabStops,
144 NULL, lpTabPos, nTabOrg, TRUE );
145}
146
147
148/***********************************************************************
149 * TabbedTextOutW (USER32.@)
150 */
151LONG WINAPI TabbedTextOutW( HDC hdc, INT x, INT y, LPCWSTR str, INT count,
152 INT cTabStops, INT *lpTabPos, INT nTabOrg )
153{
154 LONG ret;
155 LPSTR p;
156 INT acount;
157 UINT codepage = CP_ACP; /* FIXME: get codepage of font charset */
158
159 acount = WideCharToMultiByte(codepage,0,str,count,NULL,0,NULL,NULL);
160 p = (LPSTR)HeapAlloc( GetProcessHeap(), 0, acount );
161 if(p == NULL) return 0; /* FIXME: is this the correct return on failure */
162 acount = WideCharToMultiByte(codepage,0,str,count,p,acount,NULL,NULL);
163 ret = TabbedTextOutA( hdc, x, y, p, acount, cTabStops, lpTabPos, nTabOrg );
164 HeapFree( GetProcessHeap(), 0, p );
165 return ret;
166}
167
168
169
170/***********************************************************************
171 * GetTabbedTextExtentA (USER32.@)
172 */
173DWORD WINAPI GetTabbedTextExtentA( HDC hdc, LPCSTR lpstr, INT count,
174 INT cTabStops, INT *lpTabPos )
175{
176 dprintf(("USER32: GetTabbedTextExtentA %x %s %d %d %x",hdc, lpstr, count, cTabStops, lpTabPos));
177
178 return TEXT_TabbedTextOut( hdc, 0, 0, lpstr, count, cTabStops,
179 NULL, lpTabPos, 0, FALSE );
180}
181
182
183/***********************************************************************
184 * GetTabbedTextExtentW (USER32.@)
185 */
186DWORD WINAPI GetTabbedTextExtentW( HDC hdc, LPCWSTR lpstr, INT count,
187 INT cTabStops, INT *lpTabPos )
188{
189 LONG ret;
190 LPSTR p;
191 INT acount;
192 UINT codepage = CP_ACP; /* FIXME: get codepage of font charset */
193
194 acount = WideCharToMultiByte(codepage,0,lpstr,count,NULL,0,NULL,NULL);
195 p = (LPSTR)HeapAlloc( GetProcessHeap(), 0, acount );
196 if(p == NULL) return 0; /* FIXME: is this the correct failure value? */
197 acount = WideCharToMultiByte(codepage,0,lpstr,count,p,acount,NULL,NULL);
198 ret = GetTabbedTextExtentA( hdc, p, acount, cTabStops, lpTabPos );
199 HeapFree( GetProcessHeap(), 0, p );
200 return ret;
201}
202#else
203//******************************************************************************
204//******************************************************************************
205DWORD WIN32API GetTabbedTextExtentA( HDC hDC, LPCSTR lpString, int nCount, int nTabPositions, LPINT lpnTabStopPositions)
206{
207 dprintf(("USER32: GetTabbedTextExtentA %x",hDC));
208
209 return InternalGetTabbedTextExtentA(hDC,lpString,nCount,nTabPositions,lpnTabStopPositions);
210}
211//******************************************************************************
212//******************************************************************************
213DWORD WIN32API GetTabbedTextExtentW(HDC hDC,LPCWSTR lpString,INT nCount,INT nTabPositions,LPINT lpnTabStopPositions)
214{
215 dprintf(("USER32: GetTabbedTextExtentW %x",hDC));
216
217 return InternalGetTabbedTextExtentW(hDC,lpString,nCount,nTabPositions,lpnTabStopPositions);
218}
219//******************************************************************************
220//******************************************************************************
221LONG WIN32API TabbedTextOutA(HDC hdc,INT x,INT y,LPCSTR lpString,INT nCount,INT nTabPositions, LPINT lpnTabStopPositions,INT nTabOrigin)
222{
223 dprintf(("USER32: TabbedTextOutA %x",hdc));
224
225 return InternalTabbedTextOutA(hdc,x,y,lpString,nCount,nTabPositions,lpnTabStopPositions,nTabOrigin);
226}
227//******************************************************************************
228//******************************************************************************
229LONG WIN32API TabbedTextOutW( HDC hdc, int x, int y, LPCWSTR lpString, int nCount, int nTabPositions, LPINT lpnTabStopPositions, int nTabOrigin)
230{
231 dprintf(("USER32: TabbedTextOutW %x",hdc));
232
233 return InternalTabbedTextOutW(hdc,x,y,lpString,nCount,nTabPositions,lpnTabStopPositions,nTabOrigin);
234}
235#endif
236//******************************************************************************
237// WINE/objects/text.c
238//******************************************************************************
239static BOOL InternalGrayString(HDC hdc,HBRUSH hBrush,GRAYSTRINGPROC lpOutputFunc,LPARAM lpData,INT nCount,INT x,INT y,INT nWidth,INT nHeight,BOOL isUnicode)
240{
241 HBITMAP hbm, hbmsave;
242 HBRUSH hbsave;
243 HFONT hfsave;
244 HDC memdc = CreateCompatibleDC(hdc);
245 BOOL retval = TRUE;
246 RECT r;
247 COLORREF fg, bg;
248
249 if (!hdc) return FALSE;
250
251 if (nCount == 0)
252 nCount = isUnicode ? lstrlenW((LPCWSTR)lpData):lstrlenA((LPCSTR)lpData);
253
254 if((nWidth == 0 || nHeight == 0) && nCount != -1)
255 {
256 SIZE s;
257
258 if (isUnicode)
259 GetTextExtentPoint32W(hdc,(LPCWSTR)lpData,nCount,&s);
260 else
261 GetTextExtentPoint32A(hdc,(LPCSTR)lpData,nCount,&s);
262 if (nWidth == 0) nWidth = s.cx;
263 if (nHeight == 0) nHeight = s.cy;
264 }
265
266 r.left = r.top = 0;
267 r.right = nWidth;
268 r.bottom = nHeight;
269
270 hbm = CreateBitmap(nWidth,nHeight,1,1,NULL);
271 hbmsave = (HBITMAP)SelectObject(memdc,hbm);
272 FillRect(memdc,&r,(HBRUSH)GetStockObject(BLACK_BRUSH));
273 SetTextColor(memdc,RGB(255,255,255));
274 SetBkColor(memdc,RGB(0,0,0));
275 hfsave = (HFONT)SelectObject(memdc,GetCurrentObject(hdc,OBJ_FONT));
276
277 if (lpOutputFunc)
278 retval = lpOutputFunc(memdc,lpData,nCount);
279 else
280 if (isUnicode)
281 TextOutW(memdc,0,0,(LPCWSTR)lpData,nCount);
282 else
283 TextOutA(memdc,0,0,(LPCSTR)lpData,nCount);
284 SelectObject(memdc, hfsave);
285
286 /*
287 * Windows doc says that the bitmap isn't grayed when len == -1 and
288 * the callback function returns FALSE. However, testing this on
289 * win95 showed otherwise...
290 */
291#ifdef GRAYSTRING_USING_DOCUMENTED_BEHAVIOUR
292 if(retval || nCount != -1)
293#endif
294 {
295 hbsave = (HBRUSH)SelectObject(memdc,GetPattern55AABrush());
296 PatBlt(memdc,0,0,nWidth,nHeight,0x000A0329);
297 SelectObject(memdc, hbsave);
298 }
299
300 if (hBrush) hbsave = (HBRUSH)SelectObject(hdc,hBrush);
301 fg = SetTextColor(hdc, RGB(0, 0, 0));
302 bg = SetBkColor(hdc, RGB(255, 255, 255));
303 BitBlt(hdc,x,y,nWidth,nHeight,memdc,0,0,0x00E20746);
304 SetTextColor(hdc, fg);
305 SetBkColor(hdc, bg);
306 if (hBrush) SelectObject(hdc,hbsave);
307
308 SelectObject(memdc, hbmsave);
309 DeleteObject(hbm);
310 DeleteDC(memdc);
311
312 return retval;
313}
314//******************************************************************************
315//******************************************************************************
316BOOL WIN32API GrayStringA(HDC hdc,HBRUSH hBrush,GRAYSTRINGPROC lpOutputFunc,LPARAM lpData,int nCount,int X,int Y,int nWidth,int nHeight)
317{
318 dprintf(("USER32: GrayStringA %x",hdc));
319
320 return InternalGrayString(hdc,hBrush,lpOutputFunc,lpData,nCount,X,Y,nWidth,nHeight,FALSE);
321}
322//******************************************************************************
323//******************************************************************************
324BOOL WIN32API GrayStringW(HDC hdc,HBRUSH hBrush,GRAYSTRINGPROC lpOutputFunc,LPARAM lpData,int nCount,int X,int Y,int nWidth,int nHeight)
325{
326 dprintf(("USER32: GrayStringW %x",hdc));
327
328 return InternalGrayString(hdc,hBrush,lpOutputFunc,lpData,nCount,X,Y,nWidth,nHeight,TRUE);
329}
330
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