wdefont.c

开放源码的编译器open watcom 1.6.0版的源代码

/****************************************************************************
*
*                            Open Watcom Project
*
*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
*    Public License version 1.0 (the 'License'). You may not use this file
*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
*    provided with the Original Code and Modifications, and is also
*    available at www.sybase.com/developer/opensource.
*
*    The Original Code and all software distributed under the License are
*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
*    NON-INFRINGEMENT. Please see the License for the specific language
*    governing rights and limitations under the License.
*
*  ========================================================================
*
* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
*
****************************************************************************/

#include <windows.h>
#include <string.h>

#include "wdeglbl.h"
#include "wdemem.h"
#include "wderesin.h"
#include "wdedebug.h"
#include "wdemain.h"
#include "wdelist.h"
#include "wdefutil.h"
#include "wdefont.h"
#include "windlg.h"

/****************************************************************************/
/* macro definitions                                                        */
/****************************************************************************/
#ifdef __NT__
#define WDEDLGTEMPLATE (LPCDLGTEMPLATE)
#else
#define WDEDLGTEMPLATE
#endif


/****************************************************************************/
/* external function prototypes                                             */
/****************************************************************************/
extern LRESULT WINEXPORT WdeDummyProc     ( HWND, UINT, WPARAM, LPARAM );
extern int     WINEXPORT WdeEnumFontsProc ( ENUMLOGFONT *, TEXTMETRIC *,
                                            int, LPARAM );

/****************************************************************************/
/* static function prototypes                                               */
/****************************************************************************/
static Bool     WdeAddFontFamilyMember ( WdeFontNames *, ENUMLOGFONT *,
                                         TEXTMETRIC *, int );

/****************************************************************************/
/* static variables                                                         */
/****************************************************************************/
static LIST             *WdeFontList;
static LIST             *WdeFontFamiliesList;
static uint_32           logpixelsy;

LIST *WdeGetFontList ( void )
{
    return ( WdeFontList );
}

void WdeDumpFontList ( void )
{
    char          debug[256];
    LIST         *flist;
    LIST         *nlist;
    WdeFontNames *font_names;
    WdeFontData  *font_data;

    WdeWriteTrail("Dumping font names: Start.");

    for ( flist = WdeFontList; flist; flist = ListNext(flist) ) {
        font_names = (WdeFontNames *) ListElement(flist);
        sprintf( debug, "Font Family: :%s: Children: %d",
                 font_names->name, font_names->num_children);
        WdeWriteTrail(debug);
        for (nlist=font_names->family_list; nlist; nlist=ListNext(nlist) ) {
            font_data = (WdeFontData *) ListElement(nlist);
            if ( font_data->fonttype & TRUETYPE_FONTTYPE ) {
                sprintf( debug, "\tFont: :%s: DeviceType: %d Pnt Size: %2d Wgt: %3d It: %3d Ul: %3d SO: %3d CharSet: %3d ",
                         font_data->elf.elfFullName,
                         font_data->fonttype,
                         (int) font_data->pointsize,
                         (int) font_data->elf.elfLogFont.lfWeight,
                         (int) font_data->elf.elfLogFont.lfItalic,
                         (int) font_data->elf.elfLogFont.lfUnderline,
                         (int) font_data->elf.elfLogFont.lfStrikeOut,
                         (int) font_data->elf.elfLogFont.lfCharSet );
            } else {
                sprintf( debug, "\tFont: :%s: DeviceType: %d Pnt Size: %2d Wgt: %3d It: %3d Ul: %3d SO: %3d CharSet: %3d ",
                         font_data->elf.elfLogFont.lfFaceName,
                         font_data->fonttype,
                         (int) font_data->pointsize,
                         (int) font_data->elf.elfLogFont.lfWeight,
                         (int) font_data->elf.elfLogFont.lfItalic,
                         (int) font_data->elf.elfLogFont.lfUnderline,
                         (int) font_data->elf.elfLogFont.lfStrikeOut,
                         (int) font_data->elf.elfLogFont.lfCharSet );
            }
            WdeWriteTrail(debug);
        }
    }

    WdeWriteTrail("Dumping font names: End.");
}

void WdeFreeFontList ( void )
{
    LIST         *flist;
    LIST         *nlist;
    WdeFontNames *font_names;
    WdeFontData  *font_data;

    for ( flist = WdeFontList; flist; flist = ListNext(flist) ) {
        font_names = (WdeFontNames *) ListElement(flist);
        for (nlist=font_names->family_list; nlist; nlist=ListNext(nlist) ) {
            font_data = (WdeFontData *) ListElement(nlist);
            WdeMemFree ( font_data );
        }
        if ( font_names->family_list ) {
            ListFree ( font_names->family_list );
        }
        WdeMemFree ( font_names );
    }
    ListFree ( WdeFontList );

    for ( flist = WdeFontFamiliesList; flist; flist = ListNext(flist) ) {
        font_names = (WdeFontNames *) ListElement(flist);
        for (nlist=font_names->family_list; nlist; nlist=ListNext(nlist) ) {
            font_data = (WdeFontData *) ListElement(nlist);
            WdeMemFree ( font_data );
        }
        if ( font_names->family_list ) {
            ListFree ( font_names->family_list );
        }
        WdeMemFree ( font_names );
    }
    ListFree ( WdeFontFamiliesList );
}

void WdeSetFontList ( HWND main )
{
    FONTENUMPROC  enum_callback;
    LIST         *olist;
    WdeFontNames *font_names;
    HDC           hDc;

    WdeFontFamiliesList = NULL;
    WdeFontList         = NULL;

    hDc = GetDC ( main );

    logpixelsy = (uint_32) GetDeviceCaps( hDc, LOGPIXELSY );

    enum_callback = (FONTENUMPROC)
                        MakeProcInstance ( (FARPROC) WdeEnumFontsProc,
                                            WdeGetAppInstance() );

    WdeFontList = NULL;
    WdeFontFamiliesList = NULL;

    EnumFontFamilies (hDc, NULL, enum_callback, (LPARAM) &WdeFontFamiliesList);

    for ( olist = WdeFontFamiliesList; olist; olist = ListNext(olist) ) {
        font_names = (WdeFontNames *) ListElement(olist);
        if ( !EnumFontFamilies (hDc, font_names->name, enum_callback ,
                                (LPARAM) &WdeFontList)) {
            WdeWriteTrail("Getting font names: Enum Failed.");
        }

    }

    ReleaseDC ( main, hDc );

    FreeProcInstance( (FARPROC) enum_callback );

}

Bool WdeAddFontFamilyMember ( WdeFontNames *font_element,
                              ENUMLOGFONT  *lpelf,    TEXTMETRIC *lpntm,
                              int           fonttype)
{
    uint_32      mod10;
    WdeFontData *font_data;
    WdeFontData *font_sibling;
    LIST        *olist;

    font_data  = (WdeFontData *) WdeMemAlloc ( sizeof(WdeFontData) );
    if (font_data == NULL) {
        WdeWriteTrail("Could not allocate font data");
        return ( FALSE );
    }

    memcpy ( &(font_data->elf), lpelf, sizeof (ENUMLOGFONT) );
    memcpy ( &(font_data->ntm), lpntm, sizeof (NEWTEXTMETRIC) );
    font_data->fonttype  = fonttype;
    font_element->num_children++;

    /* get the point size ( times 10 to check out how to round ) */
    font_data->pointsize =
        ( (uint_32)(lpntm->tmHeight - lpntm->tmInternalLeading) *
          (uint_32)720 ) / logpixelsy;
    mod10 = font_data->pointsize % 10;
    font_data->pointsize /= 10;
    /* round the point size up if necessary */
    if (mod10 > 4) {
        font_data->pointsize++;
    }

    /* lets make sure the font is not already in the list */
    for ( olist = font_element->family_list; olist; olist = ListNext (olist) ) {
        font_sibling = ListElement(olist);
        if ( font_sibling->pointsize == font_data->pointsize ) {
            WdeMemFree ( font_data );
            return ( TRUE );
        }
    }

    WdeInsertObject ( &(font_element->family_list), (void *) font_data );

    return ( TRUE );
}

int WINEXPORT WdeEnumFontsProc( ENUMLOGFONT *lpelf,    TEXTMETRIC *lpntm,
                                int          fonttype,
                                volatile LPARAM      lParam)
{
    LIST          *olist;
    LIST         **list;
    WdeFontNames  *font_names;
    WdeFontNames  *font_element;

    list = (LIST **) lParam;

    /* lets make sure the font is not already in the list */
    for ( olist = *list; olist; olist = ListNext (olist) ) {
        font_element = ListElement(olist);
        if ( !strcmp(font_element->name,lpelf->elfLogFont.lfFaceName) ) {
            /* do not recursively add TRUE TYPE FONTS */
            if ( !(fonttype & TRUETYPE_FONTTYPE) ) {
                WdeAddFontFamilyMember (font_element,lpelf,lpntm,fonttype);
            }
            return ( TRUE );
        }
    }

    font_names  = (WdeFontNames *) WdeMemAlloc ( sizeof(WdeFontNames) );
    if (font_names == NULL) {
        WdeWriteTrail("Could not allocate font names structure.");
        return ( FALSE );
    }

    if ( fonttype & TRUETYPE_FONTTYPE ) {
        strncpy ( font_names->name, lpelf->elfFullName,
                  LF_FULLFACESIZE);
    } else {
        strncpy ( font_names->name, lpelf->elfLogFont.lfFaceName,
                  LF_FULLFACESIZE);
    }

    font_names->name[ LF_FULLFACESIZE-1 ] = '\0';

    font_names->fonttype     = fonttype;
    font_names->family_list  = NULL;
    font_names->num_children = 0;
    WdeAddFontFamilyMember (font_names,lpelf,lpntm,fonttype);

    WdeInsertObject ( list, (void *) font_names );

    return ( TRUE );
}

Bool WdeDialogToScreen ( void *obj, WdeResizeRatio *r,
                         DialogSizeInfo *d, RECT *s )
{
    WdeResizeRatio  resizer;

    if ( !d || !s ) {
        return ( FALSE );
    }

    if ( !r && !obj ) {
        return ( FALSE );
    }

    if ( r ) {
        resizer = *r;
    } else {
        if ( !Forward ( obj, GET_RESIZER, &resizer, NULL) ) {
            WdeWriteTrail("WdeDialogToScreen: GET_RESIZER failed!");
            return ( FALSE );
        }
    }

    s->left    = MulDiv ( (int_16) d->x, resizer.xmap, 4 );
    s->top     = MulDiv ( (int_16) d->y, resizer.ymap, 8 );
    s->right   = MulDiv ( (int_16) d->width, resizer.xmap, 4 );
    s->bottom  = MulDiv ( (int_16) d->height, resizer.ymap, 8 );
    s->right  += s->left;
    s->bottom += s->top;

    return ( TRUE );
}

Bool WdeScreenToDialog ( void *obj, WdeResizeRatio *r,
                         RECT *s, DialogSizeInfo *d )
{
    WdeResizeRatio  resizer;
    RECT            screen;

    if ( !d ) {
        return ( FALSE );
    }

    if ( ( !r || !s ) && !obj ) {
        return ( FALSE );
    }

    if ( r ) {
        resizer = *r;
    } else {
        if ( !Forward ( obj, GET_RESIZER, &resizer, NULL) ) {
            WdeWriteTrail("WdeScreenToDialog: GET_RESIZER failed!");
            return ( FALSE );
        }
    }

    if ( s ) {
        screen = *s;
    } else {
        Location ( obj, &screen );
    }

    d->x = ( uint_16 ) MulDiv ( screen.left, 4, resizer.xmap );

    d->y = ( uint_16 ) MulDiv ( screen.top, 8, resizer.ymap );

    d->width = ( uint_16 ) MulDiv ( (screen.right - screen.left), 4, resizer.xmap );

    d->height = ( uint_16 ) MulDiv ( (screen.bottom - screen.top), 8, resizer.ymap );

    return ( TRUE );
}

HFONT WdeGetFont ( char *face, int pointsize, int weight )
{
    LOGFONT   lf;
    HDC       dc;

    dc = GetDC ( (HWND) NULL );
    if ( dc != (HDC)NULL ) {
        memset ( &lf, 0, sizeof(LOGFONT) );
        strcpy ( lf.lfFaceName, face );
        lf.lfWeight = weight;
        lf.lfHeight = -MulDiv ( pointsize, GetDeviceCaps (dc, LOGPIXELSY), 72);
        ReleaseDC ( (HWND) NULL, dc );
        return ( CreateFontIndirect ( &lf ) );
    }

    return ( (HFONT)NULL );
}

Bool WdeGetResizerFromFont ( WdeResizeRatio *r, char *face, int ptsz )
{
    GLOBALHANDLE     dialog_template;
    uint_8          *ldlg;
    HWND             hDlg;
    HINSTANCE        inst;
    DLGPROC          proc;
    RECT             rect;
    Bool             ok;

    if ( !r ) {
        return ( FALSE );
    }

    inst = WdeGetAppInstance();

    dialog_template =
        DialogTemplate ( WS_POPUP | DS_SETFONT, 4, 8, 4 , 8,
                         NULL, NULL, NULL, ptsz, face );

    DoneAddingControls( dialog_template );

    ldlg = (uint_8 *) GlobalLock ( dialog_template );

    proc = (DLGPROC) MakeProcInstance ( (FARPROC) WdeDummyProc, inst );

    hDlg = CreateDialogIndirect ( inst, WDEDLGTEMPLATE ldlg,
                                  (HWND) NULL, proc );

    GlobalUnlock ( dialog_template );

    GlobalFree ( dialog_template );

    if ( hDlg != (HWND) NULL ) {
        SetRect ( &rect, 4, 8, 0, 0 );
        MapDialogRect ( hDlg, &rect );
        r->xmap = rect.left;
        r->ymap = rect.top;
        DestroyWindow ( hDlg );
        ok = TRUE;
    } else {
        ok = FALSE;
    }

    FreeProcInstance ( (FARPROC) proc );

    return ( ok );
}

LRESULT WINEXPORT WdeDummyProc( HWND hDlg, UINT message,
                                 WPARAM wParam, LPARAM lParam )
{
    /* touch unused vars to get rid of warning */
    _wde_touch(hDlg);
    _wde_touch(message);
    _wde_touch(wParam);
    _wde_touch(lParam);

    return ( FALSE );
}