nuclide/src/vgui/font.cpp

/*
 * Copyright (c) 2016-2020 Marco Hladik <marco@icculus.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

enumflags
{
	AF_RIGHT,
	AF_TOP,
	AF_LEFT,
	AF_BOTTOM
};

typedef struct
{
	int iID;
	int iScale;
	vector vecColor;
	float flAlpha;
	int iFlags;
} font_s;

void
Font_Load ( string strFile, font_s &fntNew )
{
#ifdef CLASSIC_VGUI
	fntNew.iID = (int)loadfont( "", "gfx/conchars", "12", -1, 0, 0 );
	fntNew.iScale = 12;
	fntNew.vecColor = [255,200,0] / 255;
	fntNew.flAlpha = 1.0f;
	fntNew.iFlags = 0;
#else
	string strTemp;
	string strFontPath;
	filestream fileFont = fopen( strFile, FILE_READ );
	fntNew.iID = 0;
	fntNew.iScale = 8;
	fntNew.vecColor = '1 1 1';
	fntNew.flAlpha = 1.0f;
	fntNew.iFlags = 0;

	if ( fileFont >= 0 ) {
		while ( ( strTemp = fgets( fileFont ) ) ) {
			if ( tokenizebyseparator( strTemp, "=" ) == 2 ) {
				switch ( argv( 0 ) ) {
					case "COLOR":
						fntNew.vecColor = stov( argv( 1 ) ) / 255;
						break;
					case "ALPHA":
						fntNew.flAlpha = stof( argv( 1 ) ) / 255;
						break;
					case "SIZE":
						fntNew.iScale = (int)stof( argv( 1 ) );
						break;
					case "PATH":
						strFontPath = argv( 1 );
						break;
					case "FLAGS":
						fntNew.iFlags = (int)stof( argv( 1 ) );
						break;
					default:
						break;
				}
			}
		}
		fclose( fileFont );
	} else {
		error( sprintf( "[MENU] Cannot load font file %s!", strFile ) );
	}

	fntNew.iID = (int)loadfont( "", strFontPath, ftos( (float)fntNew.iScale ), -1, 0, 0 );
#endif
}

void
Font_DrawText ( vector vecOrigin, string strText, font_s fnt )
{
	drawfont = (float)fnt.iID;
	drawstring( vecOrigin, strText, [ fnt.iScale, fnt.iScale ], fnt.vecColor, fnt.flAlpha, (float)fnt.iFlags );
}

void
Font_DrawField ( vector vecOrigin, vector vecSize, string strText, font_s fnt, int iAlignFlags )
{
	drawfont = (float)fnt.iID;
	drawtextfield( vecOrigin, vecSize, (float)iAlignFlags, strText );
}

string
Font_RGBtoHex(vector vecColor)
{
	static string numtohex(float x) {
		x = rint(x * 15);
		if (x <= 9)
			return ftos(x);
		else {
			x -= 10;
			return sprintf("%c", 'A' + x);
		}
		
	}

	return sprintf("^x%s%s%s", numtohex(vecColor[0]), numtohex(vecColor[1]), numtohex(vecColor[2]));
}