/*** $Id: logfont.c,v 1.12 2003/09/04 06:02:53 weiym Exp $** ** logfont.c: Log fonts management.**** Copyright (C) 2003 Feynman Software** Copyright (C) 2001 ~ 2002 Wei Yongming.**** Current maintainer: Wei Yongming.** ** Created by Wei Yongming**** Create date: 2000/07/07*//*** This program is free software; you can redistribute it and/or modify** it under the terms of the GNU General Public License as published by** the Free Software Foundation; either version 2 of the License, or** (at your option) any later version.**** This program is distributed in the hope that it will be useful,** but WITHOUT ANY WARRANTY; without even the implied warranty of** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the** GNU General Public License for more details.**** You should have received a copy of the GNU General Public License** along with this program; if not, write to the Free Software** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA*//*** TODO:*/#include <stdio.h>#include <stdlib.h>#include <string.h>#include "common.h"#include "minigui.h"#include "gdi.h"#include "window.h"#include "cliprect.h"#include "gal.h"#include "internals.h"#include "ctrlclass.h"#include "dc.h"#include "sysfont.h"#include "devfont.h"#include "fontname.h"CHARSETOPS* GetCharsetOps (const char* charset_name);/************************** Exported functions ******************************/static PLOGFONT gdiCreateLogFont ( const char* type, const char* family,     const char* charset, DWORD style, int size, int rotation){    PLOGFONT log_font;    int sbc_descent, mbc_descent = 0;    char dev_family [LEN_FONT_NAME + 1];    DEVFONT* sbc_devfont, *mbc_devfont;    // is valid style?    if (style == 0xFFFFFFFF)        return INV_LOGFONT;    // is supported charset?    if (GetCharsetOps (charset) == NULL) {        return INV_LOGFONT;    }    if ((log_font = malloc (sizeof (LOGFONT))) == NULL)        return INV_LOGFONT;        log_font->style = style;#if 0    fprintf (stderr, "LogFont: style: %x\n", log_font->style);#endif    if (type) {        strncpy (log_font->type, type, LEN_FONT_NAME);        log_font->type [LEN_FONT_NAME] = '\0';    }    else        strcpy (log_font->type, FONT_TYPE_NAME_ALL);    strncpy (log_font->family, family, LEN_FONT_NAME);    log_font->family [LEN_FONT_NAME] = '\0';    strncpy (log_font->charset, charset, LEN_FONT_NAME);    log_font->charset [LEN_FONT_NAME] = '\0';    if (size > FONT_MAX_SIZE)        log_font->size = FONT_MAX_SIZE;    else if (size < FONT_MIN_SIZE)        log_font->size = FONT_MIN_SIZE;    else        log_font->size = size;    log_font->rotation = rotation;#if 0    fprintf (stderr, "log_font: %s, %s, %s, %d.\n",                    log_font->type, log_font->family, log_font->charset,                    log_font->size);#endif    sbc_devfont = GetMatchedSBDevFont (log_font);    if (sbc_devfont->font_ops->new_instance)        sbc_devfont = (*sbc_devfont->font_ops->new_instance) (log_font, sbc_devfont, TRUE);    if (sbc_devfont == NULL) {        free (log_font);        return INV_LOGFONT;    }    mbc_devfont = GetMatchedMBDevFont (log_font);    if (mbc_devfont && mbc_devfont->font_ops->new_instance)        mbc_devfont = (*mbc_devfont->font_ops->new_instance) (log_font, mbc_devfont, FALSE);    log_font->sbc_devfont = sbc_devfont;    log_font->mbc_devfont = mbc_devfont;    /*      * Adjust the logical font information     */    // family name    if (log_font->mbc_devfont) {        fontGetFamilyFromName (log_font->mbc_devfont->name, dev_family);        strncpy (log_font->family, dev_family, LEN_FONT_NAME);        log_font->family [LEN_FONT_NAME] = '\0';    }    else {        fontGetFamilyFromName (log_font->sbc_devfont->name, dev_family);        strncpy (log_font->family, dev_family, LEN_FONT_NAME);        log_font->family [LEN_FONT_NAME] = '\0';    }    // charset name    if (log_font->mbc_devfont) {        strncpy (log_font->charset,             log_font->mbc_devfont->charset_ops->name, LEN_FONT_NAME);        log_font->charset [LEN_FONT_NAME] = '\0';    }    else {        strncpy (log_font->charset,             log_font->sbc_devfont->charset_ops->name, LEN_FONT_NAME);        log_font->charset [LEN_FONT_NAME] = '\0';    }    // size    log_font->size = (*log_font->sbc_devfont->font_ops->get_font_height)            (log_font, log_font->sbc_devfont);    if (log_font->mbc_devfont) {        int size = (*log_font->mbc_devfont->font_ops->get_font_height)            (log_font, log_font->mbc_devfont);        if (size > log_font->size)            log_font->size = size;    }    sbc_descent = (*log_font->sbc_devfont->font_ops->get_font_descent)            (log_font, log_font->sbc_devfont);    if (log_font->mbc_devfont) {        mbc_descent = (*log_font->mbc_devfont->font_ops->get_font_descent)            (log_font, log_font->mbc_devfont);    }    log_font->size += ABS (sbc_descent - mbc_descent);    return log_font;}PLOGFONT GUIAPI CreateLogFontIndirect (LOGFONT *logfont){    return gdiCreateLogFont (logfont->type, logfont->family,         logfont->charset, logfont->style, logfont->size, logfont->rotation);}PLOGFONT GUIAPI CreateLogFont (const char* type, const char* family,     const char* charset, char weight, char slant, char set_width,     char spacing, char underline, char struckout, int size, int rotation){    DWORD style;    char style_name [] = {weight, slant, set_width,                           spacing, underline, struckout};        if ((style = fontConvertStyle (style_name)) == 0xFFFFFFFF) {        return INV_LOGFONT;    }    return gdiCreateLogFont (type, family, charset, style, size, rotation);}PLOGFONT GUIAPI CreateLogFontByName (const char* font_name){    char type[LEN_FONT_NAME + 1];    char family[LEN_FONT_NAME + 1];    char charset[LEN_FONT_NAME + 1];    DWORD style;    int height;    if (!fontGetTypeNameFromName (font_name, type) ||            !fontGetFamilyFromName (font_name, family) ||            !fontGetCharsetFromName (font_name, charset) ||            ((height = fontGetHeightFromName (font_name)) == -1) ||            (style = fontGetStyleFromName (font_name) == 0xFFFFFFFF))        return NULL;    return gdiCreateLogFont (type, family, charset, style, height, 0);}void GUIAPI DestroyLogFont (PLOGFONT log_font){    LOGFONT* logfont = (PLOGFONT)log_font;    if (logfont->sbc_devfont->font_ops->delete_instance)        (*logfont->sbc_devfont->font_ops->delete_instance) (logfont->sbc_devfont);    if (logfont->mbc_devfont && logfont->mbc_devfont->font_ops->delete_instance)        (*logfont->mbc_devfont->font_ops->delete_instance) (logfont->mbc_devfont);    free (logfont);}PLOGFONT GUIAPI GetCurFont (HDC hdc){    PDC pdc;    pdc = dc_HDC2PDC(hdc);    return pdc->pLogFont;}PLOGFONT GUIAPI SelectFont (HDC hdc, PLOGFONT log_font){    PLOGFONT old;    PDC pdc;    pdc = dc_HDC2PDC(hdc);    old = pdc->pLogFont;    if (log_font == INV_LOGFONT)        pdc->pLogFont = g_SysLogFont [1] ? g_SysLogFont [1] : g_SysLogFont [0];    else        pdc->pLogFont = log_font;        return old;}void GUIAPI GetLogFontInfo (HDC hdc, LOGFONT* log_font){    memcpy (log_font, dc_HDC2PDC (hdc)->pLogFont, sizeof (LOGFONT));}void GUIAPI GetFontMetrics (LOGFONT* log_font, FONTMETRICS* font_metrics){    int sbc_value, mbc_value;        sbc_value = log_font->sbc_devfont->font_ops->get_font_height (log_font, log_font->sbc_devfont);    if (log_font->mbc_devfont) {        mbc_value = log_font->mbc_devfont->font_ops->get_font_height (log_font, log_font->mbc_devfont);        font_metrics->font_height = MAX (sbc_value, mbc_value);    }    else {        font_metrics->font_height = sbc_value;    }    sbc_value = log_font->sbc_devfont->font_ops->get_font_ascent (log_font, log_font->sbc_devfont);    if (log_font->mbc_devfont) {        mbc_value = log_font->mbc_devfont->font_ops->get_font_ascent (log_font, log_font->mbc_devfont);        font_metrics->ascent = MAX (sbc_value, mbc_value);    }    else {        font_metrics->ascent = sbc_value;    }    sbc_value = log_font->sbc_devfont->font_ops->get_font_descent (log_font, log_font->sbc_devfont);    if (log_font->mbc_devfont) {        mbc_value = log_font->mbc_devfont->font_ops->get_font_descent (log_font, log_font->mbc_devfont);        font_metrics->descent = MAX (sbc_value, mbc_value);    }    else {        font_metrics->descent = sbc_value;    }    sbc_value = log_font->sbc_devfont->font_ops->get_max_width (log_font, log_font->sbc_devfont);    if (log_font->mbc_devfont) {        mbc_value = log_font->mbc_devfont->font_ops->get_max_width (log_font, log_font->mbc_devfont);        font_metrics->max_width = MAX (sbc_value, mbc_value);    }    else {        font_metrics->max_width = sbc_value;    }    sbc_value = log_font->sbc_devfont->font_ops->get_ave_width (log_font, log_font->sbc_devfont);    if (log_font->mbc_devfont) {        mbc_value = log_font->mbc_devfont->font_ops->get_ave_width (log_font, log_font->mbc_devfont);        font_metrics->ave_width = mbc_value;    }    else {        font_metrics->ave_width = sbc_value;    }}void GUIAPI GetGlyphBitmap (LOGFONT* log_font, const char* mchar, int mchar_len,                 GLYPHBITMAP* glyph_bitmap){    DEVFONT* sbc_devfont = log_font->sbc_devfont;    DEVFONT* mbc_devfont = log_font->mbc_devfont;    DEVFONT* devfont;    if (mbc_devfont) {        int mbc_pos;        mbc_pos = (*mbc_devfont->charset_ops->pos_first_char) (mchar, mchar_len);        if (mbc_pos == 0) {            devfont = mbc_devfont;        }        else {            devfont = sbc_devfont;        }    }    else {        devfont = sbc_devfont;    }    if (devfont->font_ops->get_char_bbox) {        glyph_bitmap->bbox_x = 0;        glyph_bitmap->bbox_y = 0;        devfont->font_ops->get_char_bbox (log_font, devfont, mchar, mchar_len,                    &glyph_bitmap->bbox_x,                    &glyph_bitmap->bbox_y,                    &glyph_bitmap->bbox_w,                    &glyph_bitmap->bbox_h);    }    else {        glyph_bitmap->bbox_x = 0;        glyph_bitmap->bbox_y = devfont->font_ops->get_font_descent (log_font, devfont);        glyph_bitmap->bbox_w = devfont->font_ops->get_char_width (log_font, devfont, mchar, mchar_len);        glyph_bitmap->bbox_h = devfont->font_ops->get_font_height (log_font, devfont);    }    if (devfont->font_ops->get_char_advance) {        devfont->font_ops->get_char_advance (log_font, devfont, mchar, mchar_len,                    &glyph_bitmap->advance_x,                    &glyph_bitmap->advance_y);    }    else {        glyph_bitmap->advance_x = glyph_bitmap->bbox_w;        glyph_bitmap->advance_y = 0;    }    devfont->font_ops->get_char_advance (log_font, devfont, mchar, mchar_len,                    &glyph_bitmap->advance_x,                    &glyph_bitmap->advance_y);    glyph_bitmap->bmp_size = devfont->font_ops->char_bitmap_size (log_font, devfont, mchar, mchar_len);    glyph_bitmap->bmp_pitch = (glyph_bitmap->bbox_w + 7) >> 3;    glyph_bitmap->bits = devfont->font_ops->get_char_bitmap (log_font, devfont, mchar, mchar_len);}