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/*
* drawtext.c DLL用に surface 上に文字を描く
*
* Copyright (C) 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp>
* 1998- <masaki-c@is.aist-nara.ac.jp>
*
* 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
*
*/
/* $Id: drawtext.c,v 1.2 2003/07/21 23:06:47 chikama Exp $ */
#include "config.h"
#include <stdio.h>
#include "portab.h"
#include "system.h"
#include "nact.h"
#include "ags.h"
#include "font.h"
static FontType ftype;
static int fsize; // フォントの大きさ
/**
* 次に描く文字のフォントの種類と大きさを設定
*
* @param type: フォント種類 (FONT_MINCHO, FONT_GOTHIC)
* @param size: フォントサイズ
*/
void dt_setfont(FontType type, int size) {
#ifdef __EMSCRIPTEN__
if (type == FONT_MINCHO) {
if (!load_mincho_font())
type = FONT_GOTHIC;
}
#endif
ftype = type;
fsize = size;
}
/**
* surface にカラー文字を描画。alphamap に256階調のアンチエイリアスされた
* 文字を描き、pixelmap には、色情報を矩形で描く
*
* @param sf: 描画する surface
* @param x: 描画位置X座標
* @param y: 描画位置Y座標
* @param buf: 描画文字列(SJIS)
* @param r: 文字色赤
* @param g: 文字色緑
* @param b: 文字色青
* @return: 実際に描画した幅
*/
int dt_drawtext_col(SDL_Surface *sf, int x, int y, char *buf, int r, int g, int b) {
ags_setFont(ftype, fsize);
SDL_Surface *glyph = ags_drawStringToSurface(buf, r, g, b);
if (glyph == NULL) return 0;
SDL_Rect rect = {x, y, glyph->w, glyph->h};
SDL_SetSurfaceBlendMode(glyph, SDL_BLENDMODE_NONE);
SDL_BlitSurface(glyph, NULL, sf, &rect);
SDL_FreeSurface(glyph);
return rect.w;
}
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