mirror of
https://github.com/kichikuou/xsystem35-sdl2.git
synced 2026-09-24 23:48:04 +03:00
kichikuou
50d05e5b56
The font module kept a global "currently selected font" set by
font_select() and implicitly used when drawing. Make it stateless by
introducing a FontSpec {type, weight, size} that font_render_text() /
font_draw_text() and gfx_drawString() take directly.
Make FontWeight a two-valued enum and normalize the 1-9 weight to it
in commandZB().
Removes font_select(), ags_setFont() and ags_setFontWithWeight().
78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
/*
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* drawtext.c DLL用に surface 上に文字を描く
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*
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* Copyright (C) 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp>
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* 1998- <masaki-c@is.aist-nara.ac.jp>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/* $Id: drawtext.c,v 1.2 2003/07/21 23:06:47 chikama Exp $ */
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#include "config.h"
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#include <stdio.h>
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#include "portab.h"
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#include "system.h"
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#include "nact.h"
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#include "ags.h"
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#include "font.h"
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static FontType ftype;
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static int fsize; // フォントの大きさ
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/**
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* 次に描く文字のフォントの種類と大きさを設定
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*
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* @param type: フォント種類 (FONT_MINCHO, FONT_GOTHIC)
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* @param size: フォントサイズ
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*/
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void dt_setfont(FontType type, int size) {
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#ifdef __EMSCRIPTEN__
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if (type == FONT_MINCHO) {
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if (!load_mincho_font())
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type = FONT_GOTHIC;
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}
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#endif
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ftype = type;
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fsize = size;
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}
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/**
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* 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
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* 文字を描き、pixelmap には、色情報を矩形で描く
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*
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* @param sf: 描画する surface
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* @param x: 描画位置Ｘ座標
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* @param y: 描画位置Ｙ座標
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* @param buf: 描画文字列(SJIS)
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* @param r: 文字色赤
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* @param g: 文字色緑
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* @param b: 文字色青
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* @return: 実際に描画した幅
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*/
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int dt_drawtext_col(SDL_Surface *sf, int x, int y, char *buf, int r, int g, int b) {
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SDL_Surface *glyph = ags_drawStringToSurface(buf, r, g, b, (FontSpec){ .type = ftype, .size = fsize });
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if (glyph == NULL) return 0;
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SDL_Rect rect = {x, y, glyph->w, glyph->h};
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SDL_SetSurfaceBlendMode(glyph, SDL_BLENDMODE_NONE);
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SDL_BlitSurface(glyph, NULL, sf, &rect);
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SDL_FreeSurface(glyph);
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return rect.w;
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}
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