/* * Copyright (c) 2000, 2001, 2002 Greg Haerr <greg@censoft.com> * * Loadable font demo for Microwindows * * Loads MGL, HZK, T1LIB, FREETYPE, and PCF fonts * Must be recompiled when src/config changes */#include <stdio.h>#include <stdlib.h>#if UNIX | DOS_DJGPP#include <time.h>#endif#define MWINCLUDECOLORS#include "nano-X.h"#define CLIP_POLYGON	0	/* =1 for polygonal region test */#define HZKBIG5		1	/* =1 for big5 encoding test with HZKFONT*/#define WIDTH 		340#define HEIGHT 		340#if HAVE_EUCJP_SUPPORT#define MAXFONTS 4#define FONT1 "k12x10.fnt"#define FONT2 "k12x12.fnt"#define FONT3 "k16x16.fnt"#define FONT4 "k24x24.fnt"#define FONT5 ""#elif HAVE_HZK_SUPPORT#define MAXFONTS 1#define FONT1 "HZXFONT"#define FONT2 ""#define FONT3 ""#define FONT4 ""#define FONT5 ""#elif HAVE_T1LIB_SUPPORT#define MAXFONTS 5#define FONT1 "bchr"#define FONT2 "bchb"#define FONT3 "dcr10"#define FONT4 "dcbx10"#define FONT5 "bchri"#elif HAVE_FREETYPE_SUPPORT#define MAXFONTS 5#define FONT1 "lt1-r-omega-serif"#define FONT2 "arial"#define FONT3 "times"#define FONT4 "cour"#define FONT5 "timesi"#elif HAVE_PCF_SUPPORT#define MAXFONTS 5#define FONT1 "/usr/lib/X11/fonts/misc/7x14.pcf.gz"#define FONT2 "/usr/lib/X11/fonts/misc/6x13.pcf.gz"#define FONT3 "/usr/lib/X11/fonts/misc/9x15.pcf.gz"#define FONT4 "/usr/lib/X11/fonts/misc/vga.pcf.gz"#define FONT5 "/usr/lib/X11/fonts/100dpi/helvB12.pcf.gz"#else#define MAXFONTS 5#define FONT1 ""#define FONT2 ""#define FONT3 ""#define FONT4 ""#define FONT5 ""#endif#define RAND(max)	((int) (((float)(max)) * rand() / (RAND_MAX + 1.0)))static char *names[5] = { FONT1, FONT2, FONT3, FONT4, FONT5 };intmain(int ac, char **av){	GR_WINDOW_ID window;	GR_GC_ID gc;	GR_FONT_ID fontid;	int x, y;	GR_REGION_ID regionid;#if CLIP_POLYGON	GR_POINT points[] = { {20, 20}, {300, 20}, {300, 300}, {20, 300} };#else	GR_RECT clip_rect = { 20, 20, 300, 300 };#endif	if (GrOpen() < 0)		exit(1);	window = GrNewWindowEx(GR_WM_PROPS_APPWINDOW,		"t1demo loadable fonts (truetype, t1lib, pcf, mgl, hzk)",		GR_ROOT_WINDOW_ID, 50, 50, WIDTH, HEIGHT, BLACK);	GrSelectEvents(window,		GR_EVENT_MASK_EXPOSURE | GR_EVENT_MASK_CLOSE_REQ);	GrMapWindow(window);	gc = GrNewGC();	GrSetGCUseBackground(gc, GR_FALSE);	GrSetGCBackground(gc, BLACK);#if CLIP_POLYGON	/* polygon clip region */	regionid = GrNewPolygonRegion(MWPOLY_EVENODD, 3, points);#else	/* rectangle clip region */	regionid = GrNewRegion();	GrUnionRectWithRegion(regionid, &clip_rect);#endif	GrSetGCRegion(gc, regionid);	srand(time(0));	while (1) {		GR_EVENT event;		GrCheckNextEvent(&event);		if (event.type == GR_EVENT_TYPE_CLOSE_REQ) {			GrClose();			exit(0);		}		fontid = GrCreateFont(names[RAND(MAXFONTS)], 20, NULL);		GrSetFontSize(fontid, RAND(80) + 1);		GrSetFontRotation(fontid, 330);		/* 33 degrees */		GrSetFontAttr(fontid, GR_TFKERNING | GR_TFANTIALIAS, 0);		GrSetGCFont(gc, fontid);		GrSetGCForeground(gc, rand() & 0xffffff);		/*GrSetGCBackground(gc, rand() & 0xffffff); */		x = RAND(WIDTH);		y = RAND(HEIGHT);#if HAVE_HZK_SUPPORT		{#if HZKBIG5		/* hzk big5 unicode-16 test*/		static unsigned short buffer[] = {		    0x9060, 0x898b, 0x79d1, 0x6280, 0x0061, 0x0041, 0		};		GrText(window, gc, x, y, buffer, 7, GR_TFUC16);		/* hzk big5 dbcs test #1*/		x = RAND(WIDTH);		y = RAND(HEIGHT);		GrText(window, gc, x, y,		       "Microwindows,舧