source: trunk/dll/fonts.c@ 56

Last change on this file since 56 was 2, checked in by root, 23 years ago

Initial revision
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File size: 9.2 KB
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[2]1/* handles setting fonts */
2
3#define INCL_DOS
4#define INCL_WIN
5#define INCL_GPI
6
7#include <os2.h>
8#include <stdlib.h>
9#include <stdio.h>
10#include <string.h>
11#include "fm3dll.h"
12#include "fm3str.h"
13
14#pragma data_seg(DATA1)
15#pragma alloc_text(FONTS,ConvertVectorFontSize,SetFont,SetMLEFont)
16#pragma alloc_text(FONTS,SetPresParamFromFattrs)
17
18 static INT counter = 0L;
19
20/*
21 * Convert vector font size using point size and fAttrs structure and
22 * return it in that structure.
23 */
24
25VOID ConvertVectorFontSize (FIXED fxPointSize, PFATTRS pfattrs) {
26
27 HPS hps;
28 HDC hDC;
29 LONG lxFontResolution;
30 LONG lyFontResolution;
31 SIZEF sizef;
32
33 hps = WinGetScreenPS(HWND_DESKTOP); /* Screen presentation space */
34
35 /*
36 * Query device context for the screen and then query
37 * the resolution of the device for the device context.
38 */
39
40 hDC = GpiQueryDevice(hps);
41 DevQueryCaps( hDC, CAPS_HORIZONTAL_FONT_RES, (LONG)1, &lxFontResolution);
42 DevQueryCaps( hDC, CAPS_VERTICAL_FONT_RES, (LONG)1, &lyFontResolution);
43
44 /*
45 * Calculate the size of the character box, based on the
46 * point size selected and the resolution of the device.
47 * The size parameters are of type FIXED, NOT int.
48 * NOTE: 1 point == 1/72 of an inch.
49 */
50
51 sizef.cx = (FIXED)(((fxPointSize) / 72 ) * lxFontResolution );
52 sizef.cy = (FIXED)(((fxPointSize) / 72 ) * lyFontResolution );
53
54 pfattrs->lMaxBaselineExt = MAKELONG( HIUSHORT( sizef.cy ), 0 );
55 pfattrs->lAveCharWidth = MAKELONG( HIUSHORT( sizef.cx ), 0 );
56 WinReleasePS(hps);
57
58} /* end ConvertVectorPointSize() */
59
60
61VOID SetPresParamFromFattrs (HWND hwnd,FATTRS *fattrs,
62 SHORT sNominalPointSize,
63 FIXED fxPointSize) {
64
65 CHAR s[CCHMAXPATH * 2];
66
67 if(fattrs->fsFontUse != FATTR_FONTUSE_OUTLINE)
68 sprintf(s,"%hd.",sNominalPointSize / 10);
69 else {
70 sprintf(s,"%hd.",FIXEDINT(fxPointSize));
71 if((((USHORT)FIXEDFRAC(fxPointSize) * 100) / 65536) > 0)
72 sprintf(&s[strlen(s)],"%hd.",
73 ((USHORT)FIXEDFRAC(fxPointSize) * 100) / 65536);
74 }
75 strcat(s,fattrs->szFacename);
76 if(fattrs->fsSelection & FATTR_SEL_ITALIC) {
77 strcat(s,".");
78 strcat(s,GetPString(IDS_ITALICTEXT));
79 }
80 if(fattrs->fsSelection & FATTR_SEL_OUTLINE) {
81 strcat(s,".");
82 strcat(s,GetPString(IDS_OUTLINETEXT));
83 }
84 if(fattrs->fsSelection & FATTR_SEL_BOLD) {
85 strcat(s,".");
86 strcat(s,GetPString(IDS_BOLDTEXT));
87 }
88 if(fattrs->fsSelection & FATTR_SEL_UNDERSCORE) {
89 strcat(s,".");
90 strcat(s,GetPString(IDS_UNDERSCORETEXT));
91 }
92 if(fattrs->fsSelection & FATTR_SEL_STRIKEOUT) {
93 strcat(s,".");
94 strcat(s,GetPString(IDS_STRIKEOUTTEXT));
95 }
96 WinSetPresParam(hwnd,PP_FONTNAMESIZE,strlen(s) + 1,s);
97}
98
99
100VOID SetFont (HWND hwnd) {
101
102 FONTDLG fontdlg;
103 HPS hps;
104 FONTMETRICS fm;
105 CHAR szFamily[CCHMAXPATH],
106 *szTitle = GetPString(IDS_SETFONTTITLETEXT),
107 *szPreview;
108
109 DosEnterCritSec();
110 szPreview = GetPString(IDS_BLURB1TEXT + counter++);
111 if(strcmp(szPreview,"0")) {
112 counter = 0;
113 szPreview = GetPString(IDS_BLURB1TEXT + counter++);
114 }
115 DosExitCritSec();
116 memset(&fontdlg,0,sizeof(fontdlg)); /* initialize all fields */
117 hps = WinGetPS(hwnd);
118 GpiQueryFontMetrics(hps,sizeof(FONTMETRICS),&fm);
119 WinReleasePS(hps);
120 fontdlg.cbSize = sizeof(FONTDLG);
121 fontdlg.hpsScreen = WinGetScreenPS(HWND_DESKTOP);
122 fontdlg.hpsPrinter = NULLHANDLE;
123 fontdlg.pszTitle = szTitle;
124 fontdlg.pszPreview = szPreview;
125 fontdlg.pfnDlgProc = NULL;
126 strcpy(szFamily,fm.szFamilyname);
127 fontdlg.pszFamilyname = szFamily;
128 fontdlg.usFamilyBufLen = sizeof(szFamily);
129 fontdlg.fxPointSize = MAKEFIXED(fm.sNominalPointSize / 10,0);
130 fontdlg.fl = FNTS_CENTER | FNTS_INITFROMFATTRS;
131 fontdlg.sNominalPointSize = fm.sNominalPointSize;
132 fontdlg.flType = (LONG)fm.fsType;
133 fontdlg.clrFore = CLR_NEUTRAL;
134 fontdlg.clrBack = CLR_BACKGROUND;
135 fontdlg.usWeight = fm.usWeightClass;
136 fontdlg.usWidth = fm.usWidthClass;
137 if(!WinFontDlg(HWND_DESKTOP,hwnd,&fontdlg) || fontdlg.lReturn != DID_OK) {
138 WinReleasePS(fontdlg.hpsScreen);
139 return;
140 }
141 if(fontdlg.fAttrs.fsFontUse == FATTR_FONTUSE_OUTLINE )
142 ConvertVectorFontSize(fontdlg.fxPointSize,&fontdlg.fAttrs);
143 WinReleasePS(fontdlg.hpsScreen);
144 SetPresParamFromFattrs(hwnd,&fontdlg.fAttrs,fontdlg.sNominalPointSize,
145 fontdlg.fxPointSize);
146}
147
148
149FATTRS * SetMLEFont (HWND hwndMLE, FATTRS *fattrs, ULONG flags) {
150
151 /* Flags:
152 *
153 * 1 = Don't assume MLE (no MLM_* messages, use fattrs only
154 * 2 = Fixed width fonts only
155 * 4 = No synthesized fonts
156 * 8 = No vector fonts
157 * 16 = No bitmapped fonts
158 *
159 */
160
161 FONTDLG fontDlg;
162 HPS hps;
163 FONTMETRICS fontMetrics;
164 CHAR szFamily[CCHMAXPATH],*szPreview;
165 static FIXED fxPointSize = 0; /* keep track of this for vector fonts */
166
167 if((flags & 1) && !fattrs)
168 return fattrs;
169 DosEnterCritSec();
170 szPreview = GetPString(IDS_BLURB1TEXT + counter++);
171 if(strcmp(szPreview,"0")) {
172 counter = 0;
173 szPreview = GetPString(IDS_BLURB1TEXT + counter++);
174 }
175 DosExitCritSec();
176 memset(&fontDlg, 0, sizeof(fontDlg)); /* initialize all fields */
177 /*
178 * Get the current font attributes
179 */
180 hps = WinGetPS(hwndMLE);
181 if(!(flags & 1))
182 WinSendMsg(hwndMLE, MLM_QUERYFONT,
183 MPFROMP((PFATTRS)&(fontDlg.fAttrs)), NULL);
184 else
185 memcpy(&fontDlg.fAttrs,fattrs,sizeof(FATTRS));
186
187 /* create system default font */
188
189 GpiCreateLogFont(hps,(PSTR8)fontDlg.fAttrs.szFacename,1,&(fontDlg.fAttrs));
190 GpiSetCharSet(hps, 1);
191 GpiQueryFontMetrics(hps, sizeof(FONTMETRICS), &fontMetrics);
192 GpiSetCharSet(hps, LCID_DEFAULT);
193 GpiDeleteSetId(hps, 1);
194 WinReleasePS(hps);
195
196 /*
197 * Initialize the FONTDLG structure with the current font
198 */
199 fontDlg.cbSize = sizeof(FONTDLG); /* sizeof(FONTDLG) */
200 fontDlg.hpsScreen = WinGetScreenPS(HWND_DESKTOP); /* Screen presentation space */
201 fontDlg.hpsPrinter = NULLHANDLE; /* Printer presentation space */
202
203 fontDlg.pszTitle = GetPString(IDS_SETVIEWERFONTTITLETEXT);
204 fontDlg.pszPreview = szPreview;
205 fontDlg.pszPtSizeList = NULL; /* Application provided size list */
206 fontDlg.pfnDlgProc = NULL; /* Dialog subclass procedure */
207 strcpy(szFamily, fontMetrics.szFamilyname); /* Family name of font */
208 fontDlg.pszFamilyname = szFamily; /* point to Family name of font */
209 fontDlg.fxPointSize = fxPointSize; /* Point size the user selected */
210 fontDlg.fl = FNTS_CENTER | /* FNTS_* flags - dialog styles */
211 FNTS_INITFROMFATTRS;
212 if(flags & 2)
213 fontDlg.fl |= FNTS_FIXEDWIDTHONLY;
214 if(flags & 4)
215 fontDlg.fl |= FNTS_NOSYNTHESIZEDFONTS;
216 if(flags & 8)
217 fontDlg.fl |= FNTS_BITMAPONLY;
218 else if(flags & 16)
219 fontDlg.fl |= FNTS_VECTORONLY;
220 fontDlg.flFlags = 0; /* FNTF_* state flags */
221 /* Font type option bits */
222 fontDlg.flType = (LONG) fontMetrics.fsType;
223 fontDlg.flTypeMask = 0; /* Mask of which font types to use */
224 fontDlg.flStyle = 0; /* The selected style bits */
225 fontDlg.flStyleMask = 0; /* Mask of which style bits to use */
226 fontDlg.clrFore = CLR_NEUTRAL; /* Selected foreground color */
227 fontDlg.clrBack = CLR_BACKGROUND; /* Selected background color */
228 fontDlg.ulUser = 0; /* Blank field for application */
229 fontDlg.lReturn = 0; /* Return Value of the Dialog */
230 fontDlg.lEmHeight = 0; /* Em height of the current font */
231 fontDlg.lXHeight = 0; /* X height of the current font */
232 fontDlg.lExternalLeading = 0; /* External Leading of font */
233 /* Nominal Point Size of font */
234 fontDlg.sNominalPointSize = fontMetrics.sNominalPointSize;
235 fontDlg.usWeight = fontMetrics.usWeightClass; /* The boldness of the font */
236 fontDlg.usWidth = fontMetrics.usWidthClass; /* The width of the font */
237 fontDlg.x = 0; /* X coordinate of the dialog */
238 fontDlg.y = 0; /* Y coordinate of the dialog */
239// fontDlg.usDlgId = IDD_FONT; /* ID of a custom dialog template */
240 fontDlg.usFamilyBufLen = sizeof(szFamily); /*Length of family name buffer */
241
242 /*
243 * Bring up the standard Font Dialog
244 */
245
246 if(!WinFontDlg(HWND_DESKTOP, hwndMLE, &fontDlg) || fontDlg.lReturn != DID_OK) {
247 WinReleasePS(fontDlg.hpsScreen);
248 return NULL;
249 }
250 fxPointSize = fontDlg.fxPointSize; /* save point size for next dialog */
251
252 /*
253 * If outline font, calculate the maxbaselineext and
254 * avecharwidth for the point size selected
255 */
256
257 if (fontDlg.fAttrs.fsFontUse == FATTR_FONTUSE_OUTLINE )
258 ConvertVectorFontSize(fontDlg.fxPointSize, &fontDlg.fAttrs);
259
260 WinReleasePS(fontDlg.hpsScreen);
261 if(!(flags & 1))
262 WinSendMsg(hwndMLE, MLM_SETFONT, MPFROMP(&(fontDlg.fAttrs)), MPVOID);
263 if(fattrs)
264 memcpy(fattrs,&fontDlg.fAttrs,sizeof(FATTRS));
265 return fattrs;
266
267} /* End of SetMLEFont() */
268
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