source: trunk/dll/fonts.c@ 1203

Last change on this file since 1203 was 1193, checked in by John Small, 17 years ago

Improved comment on new "#if 0" lines.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 9.4 KB
Line 
1
2/***********************************************************************
3
4 $Id: fonts.c 1193 2008-09-11 11:08:14Z jbs $
5
6 Font support
7
8 Copyright (c) 1993-98 M. Kimes
9 Copyright (c) 2008 Steven H. Levine
10
11 05 Jan 08 SHL Sync
12
13***********************************************************************/
14
15#include <string.h>
16
17#define INCL_DOS
18#define INCL_WIN
19#define INCL_GPI
20#define INCL_LONGLONG // dircnrs.h
21
22#include "fm3str.h"
23#include "errutil.h" // Dos_Error...
24#include "strutil.h" // GetPString
25#include "fonts.h"
26#include "fm3dll.h"
27
28//static VOID SetFont(HWND hwnd);
29
30#pragma data_seg(DATA1)
31
32static INT counter = 0;
33
34/*
35 * Convert vector font size using point size and fAttrs structure and
36 * return it in that structure.
37 */
38
39VOID ConvertVectorFontSize(FIXED fxPointSize, PFATTRS pfattrs)
40{
41
42 HPS hps;
43 HDC hDC;
44 LONG lxFontResolution;
45 LONG lyFontResolution;
46 SIZEF sizef;
47
48 hps = WinGetScreenPS(HWND_DESKTOP); /* Screen presentation space */
49
50 /*
51 * Query device context for the screen and then query
52 * the resolution of the device for the device context.
53 */
54
55 hDC = GpiQueryDevice(hps);
56 DevQueryCaps(hDC, CAPS_HORIZONTAL_FONT_RES, (LONG) 1, &lxFontResolution);
57 DevQueryCaps(hDC, CAPS_VERTICAL_FONT_RES, (LONG) 1, &lyFontResolution);
58
59 /*
60 * Calculate the size of the character box, based on the
61 * point size selected and the resolution of the device.
62 * The size parameters are of type FIXED, NOT int.
63 * NOTE: 1 point == 1/72 of an inch.
64 */
65
66 sizef.cx = (FIXED) (((fxPointSize) / 72) * lxFontResolution);
67 sizef.cy = (FIXED) (((fxPointSize) / 72) * lyFontResolution);
68
69 pfattrs->lMaxBaselineExt = MAKELONG(HIUSHORT(sizef.cy), 0);
70 pfattrs->lAveCharWidth = MAKELONG(HIUSHORT(sizef.cx), 0);
71 WinReleasePS(hps);
72
73} /* end ConvertVectorPointSize() */
74
75VOID SetPresParamFromFattrs(HWND hwnd, FATTRS * fattrs,
76 SHORT sNominalPointSize, FIXED fxPointSize)
77{
78
79 CHAR s[CCHMAXPATH * 2];
80
81 if (fattrs->fsFontUse != FATTR_FONTUSE_OUTLINE)
82 sprintf(s, "%hd.", sNominalPointSize / 10);
83 else {
84 sprintf(s, "%hd.", FIXEDINT(fxPointSize));
85 if ((((USHORT) FIXEDFRAC(fxPointSize) * 100) / 65536) > 0)
86 sprintf(&s[strlen(s)], "%hd.",
87 ((USHORT) FIXEDFRAC(fxPointSize) * 100) / 65536);
88 }
89 strcat(s, fattrs->szFacename);
90 if (fattrs->fsSelection & FATTR_SEL_ITALIC) {
91 strcat(s, ".");
92 strcat(s, GetPString(IDS_ITALICTEXT));
93 }
94 if (fattrs->fsSelection & FATTR_SEL_OUTLINE) {
95 strcat(s, ".");
96 strcat(s, GetPString(IDS_OUTLINETEXT));
97 }
98 if (fattrs->fsSelection & FATTR_SEL_BOLD) {
99 strcat(s, ".");
100 strcat(s, GetPString(IDS_BOLDTEXT));
101 }
102 if (fattrs->fsSelection & FATTR_SEL_UNDERSCORE) {
103 strcat(s, ".");
104 strcat(s, GetPString(IDS_UNDERSCORETEXT));
105 }
106 if (fattrs->fsSelection & FATTR_SEL_STRIKEOUT) {
107 strcat(s, ".");
108 strcat(s, GetPString(IDS_STRIKEOUTTEXT));
109 }
110 WinSetPresParam(hwnd, PP_FONTNAMESIZE, strlen(s) + 1, s);
111}
112
113#if 0 // JBS 11 Sep 08
114VOID SetFont(HWND hwnd)
115{
116
117 FONTDLG fontdlg;
118 HPS hps;
119 FONTMETRICS fm;
120 CHAR szFamily[CCHMAXPATH],
121 *szTitle = GetPString(IDS_SETFONTTITLETEXT), *szPreview;
122
123 DosEnterCritSec();
124 szPreview = GetPString(IDS_BLURB1TEXT + counter++);
125 if (strcmp(szPreview, "0")) {
126 counter = 0;
127 szPreview = GetPString(IDS_BLURB1TEXT + counter++);
128 }
129 DosExitCritSec();
130 memset(&fontdlg, 0, sizeof(fontdlg)); /* initialize all fields */
131 hps = WinGetPS(hwnd);
132 GpiQueryFontMetrics(hps, sizeof(FONTMETRICS), &fm);
133 WinReleasePS(hps);
134 fontdlg.cbSize = sizeof(FONTDLG);
135 fontdlg.hpsScreen = WinGetScreenPS(HWND_DESKTOP);
136 fontdlg.hpsPrinter = NULLHANDLE;
137 fontdlg.pszTitle = szTitle;
138 fontdlg.pszPreview = szPreview;
139 fontdlg.pfnDlgProc = NULL;
140 strcpy(szFamily, fm.szFamilyname);
141 fontdlg.pszFamilyname = szFamily;
142 fontdlg.usFamilyBufLen = sizeof(szFamily);
143 fontdlg.fxPointSize = MAKEFIXED(fm.sNominalPointSize / 10, 0);
144 fontdlg.fl = FNTS_CENTER | FNTS_INITFROMFATTRS;
145 fontdlg.sNominalPointSize = fm.sNominalPointSize;
146 fontdlg.flType = (LONG) fm.fsType;
147 fontdlg.clrFore = CLR_NEUTRAL;
148 fontdlg.clrBack = CLR_BACKGROUND;
149 fontdlg.usWeight = fm.usWeightClass;
150 fontdlg.usWidth = fm.usWidthClass;
151 if (!WinFontDlg(HWND_DESKTOP, hwnd, &fontdlg) || fontdlg.lReturn != DID_OK) {
152 WinReleasePS(fontdlg.hpsScreen);
153 return;
154 }
155 if (fontdlg.fAttrs.fsFontUse == FATTR_FONTUSE_OUTLINE)
156 ConvertVectorFontSize(fontdlg.fxPointSize, &fontdlg.fAttrs);
157 WinReleasePS(fontdlg.hpsScreen);
158 SetPresParamFromFattrs(hwnd, &fontdlg.fAttrs, fontdlg.sNominalPointSize,
159 fontdlg.fxPointSize);
160}
161#endif
162
163FATTRS *SetMLEFont(HWND hwndMLE, FATTRS * fattrs, ULONG flags)
164{
165
166 /* Flags:
167 *
168 * 1 = Don't assume MLE (no MLM_* messages, use fattrs only
169 * 2 = Fixed width fonts only
170 * 4 = No synthesized fonts
171 * 8 = No vector fonts
172 * 16 = No bitmapped fonts
173 *
174 */
175
176 FONTDLG fontDlg;
177 HPS hps;
178 FONTMETRICS fontMetrics;
179 CHAR szFamily[CCHMAXPATH], *szPreview;
180 static FIXED fxPointSize = 0; /* keep track of this for vector fonts */
181
182 if ((flags & 1) && !fattrs)
183 return fattrs;
184 DosEnterCritSec();
185 szPreview = GetPString(IDS_BLURB1TEXT + counter++);
186 if (strcmp(szPreview, "0")) {
187 counter = 0;
188 szPreview = GetPString(IDS_BLURB1TEXT + counter++);
189 }
190 DosExitCritSec();
191 memset(&fontDlg, 0, sizeof(fontDlg)); /* initialize all fields */
192 /*
193 * Get the current font attributes
194 */
195 hps = WinGetPS(hwndMLE);
196 if (!(flags & 1))
197 WinSendMsg(hwndMLE, MLM_QUERYFONT,
198 MPFROMP((PFATTRS) & (fontDlg.fAttrs)), NULL);
199 else
200 memcpy(&fontDlg.fAttrs, fattrs, sizeof(FATTRS));
201
202 /* create system default font */
203
204 GpiCreateLogFont(hps, (PSTR8) fontDlg.fAttrs.szFacename, 1,
205 &(fontDlg.fAttrs));
206 GpiSetCharSet(hps, 1);
207 GpiQueryFontMetrics(hps, sizeof(FONTMETRICS), &fontMetrics);
208 GpiSetCharSet(hps, LCID_DEFAULT);
209 GpiDeleteSetId(hps, 1);
210 WinReleasePS(hps);
211
212 /*
213 * Initialize the FONTDLG structure with the current font
214 */
215 fontDlg.cbSize = sizeof(FONTDLG); /* sizeof(FONTDLG) */
216 fontDlg.hpsScreen = WinGetScreenPS(HWND_DESKTOP); /* Screen presentation space */
217 fontDlg.hpsPrinter = NULLHANDLE; /* Printer presentation space */
218
219 fontDlg.pszTitle = GetPString(IDS_SETVIEWERFONTTITLETEXT);
220 fontDlg.pszPreview = szPreview;
221 fontDlg.pszPtSizeList = NULL; /* Application provided size list */
222 fontDlg.pfnDlgProc = NULL; /* Dialog subclass procedure */
223 strcpy(szFamily, fontMetrics.szFamilyname); /* Family name of font */
224 fontDlg.pszFamilyname = szFamily; /* point to Family name of font */
225 fontDlg.fxPointSize = fxPointSize; /* Point size the user selected */
226 fontDlg.fl = FNTS_CENTER | /* FNTS_* flags - dialog styles */
227 FNTS_INITFROMFATTRS;
228 if (flags & 2)
229 fontDlg.fl |= FNTS_FIXEDWIDTHONLY;
230 if (flags & 4)
231 fontDlg.fl |= FNTS_NOSYNTHESIZEDFONTS;
232 if (flags & 8)
233 fontDlg.fl |= FNTS_BITMAPONLY;
234 else if (flags & 16)
235 fontDlg.fl |= FNTS_VECTORONLY;
236 fontDlg.flFlags = 0; /* FNTF_* state flags */
237 /* Font type option bits */
238 fontDlg.flType = (LONG) fontMetrics.fsType;
239 fontDlg.flTypeMask = 0; /* Mask of which font types to use */
240 fontDlg.flStyle = 0; /* The selected style bits */
241 fontDlg.flStyleMask = 0; /* Mask of which style bits to use */
242 fontDlg.clrFore = CLR_NEUTRAL; /* Selected foreground color */
243 fontDlg.clrBack = CLR_BACKGROUND; /* Selected background color */
244 fontDlg.ulUser = 0; /* Blank field for application */
245 fontDlg.lReturn = 0; /* Return Value of the Dialog */
246 fontDlg.lEmHeight = 0; /* Em height of the current font */
247 fontDlg.lXHeight = 0; /* X height of the current font */
248 fontDlg.lExternalLeading = 0; /* External Leading of font */
249 /* Nominal Point Size of font */
250 fontDlg.sNominalPointSize = fontMetrics.sNominalPointSize;
251 fontDlg.usWeight = fontMetrics.usWeightClass; /* The boldness of the font */
252 fontDlg.usWidth = fontMetrics.usWidthClass; /* The width of the font */
253 fontDlg.x = 0; /* X coordinate of the dialog */
254 fontDlg.y = 0; /* Y coordinate of the dialog */
255// fontDlg.usDlgId = IDD_FONT; /* ID of a custom dialog template */
256 fontDlg.usFamilyBufLen = sizeof(szFamily); /*Length of family name buffer */
257
258 /*
259 * Bring up the standard Font Dialog
260 */
261
262 if (!WinFontDlg(HWND_DESKTOP, hwndMLE, &fontDlg)
263 || fontDlg.lReturn != DID_OK) {
264 WinReleasePS(fontDlg.hpsScreen);
265 return NULL;
266 }
267 fxPointSize = fontDlg.fxPointSize; /* save point size for next dialog */
268
269 /*
270 * If outline font, calculate the maxbaselineext and
271 * avecharwidth for the point size selected
272 */
273
274 if (fontDlg.fAttrs.fsFontUse == FATTR_FONTUSE_OUTLINE)
275 ConvertVectorFontSize(fontDlg.fxPointSize, &fontDlg.fAttrs);
276
277 WinReleasePS(fontDlg.hpsScreen);
278 if (!(flags & 1))
279 WinSendMsg(hwndMLE, MLM_SETFONT, MPFROMP(&(fontDlg.fAttrs)), MPVOID);
280 if (fattrs)
281 memcpy(fattrs, &fontDlg.fAttrs, sizeof(FATTRS));
282 return fattrs;
283
284} /* End of SetMLEFont() */
285
286#pragma alloc_text(FONTS,ConvertVectorFontSize,SetFont,SetMLEFont)
287#pragma alloc_text(FONTS,SetPresParamFromFattrs)
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