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//一个SGE例程[原创]
//注意:在文件所在目录必须存在font.ttf文件
//注意:必须的几个dll文件freetype-6.dll,sdl_image.dll,sdl.dll
//这些文件都可以在更新里面找到
//程序环境:winxp+devcpp4.9
＃i nclude <stdio.h>
＃i nclude <stdlib.h>
＃i nclude "SDL.h"
＃i nclude "sge.h"
int main(int argc, char** argv)
{
/* Init SDL */
if ( SDL_Init(SDL_INIT_TIMER|SDL_INIT_VIDEO) < 0 ) {
fprintf(stderr, "Couldn't load SDL: %s\n", SDL_GetError());
exit(1);
}
/* Clean up on exit */
atexit(SDL_Quit);
/* Set window title */
SDL_WM_SetCaption("SGE Basics", "basics");
/* Initialize the display */
SDL_Surface *screen;
screen = SDL_SetVideoMode(640, 480, 16, SDL_SWSURFACE);
if ( screen == NULL ) {
fprintf(stderr, "Couldn't set video mode: %s\n", SDL_GetError());
exit(1);
}
/* Draws some primitives on screen */
sge_HLine(screen,0,640,100,255,0,0);
sge_VLine(screen,100,0,480,255,255,0);
sge_Line(screen,0,0,640,480,0,0,255);
sge_Rect(screen,150,150,250,250,255,255,255);
sge_Rect(screen,260,260,360,360,255,255,255);
sge_FilledRect(screen,260,150,360,250,255,0,255);
sge_AACircle(screen,200,200,150,0,255,0);
sge_AAFilledCircle(screen,500,150,50,255,255,0);
sge_AAFilledEllipse(screen,500,280, 80,50, 100,150,200);
/* Open TT font file */
if(sge_TTF_Init()!=0){fprintf(stderr,"TT error: %s\n",SDL_GetError());exit(1);}
sge_TTFont *font;
font=sge_TTF_OpenFont("font.ttf", 50);
if(font==NULL){fprintf(stderr,"TT error: %s\n",SDL_GetError());exit(1);}
/* Draws TT text on screen */
sge_tt_textout(screen,font,"SGE", 30,100, 0,0,255, 0,0,0, 120);
/* Change font style and size */
sge_TTF_SetFontSize(font, 30);
sge_TTF_SetFontStyle(font, SGE_TTF_ITALIC|SGE_TTF_UNDERLINE);
sge_tt_textout(screen,font,"Hello World!", 400,470, 155,200,100, 0,0,0, SDL_ALPHA_OPAQUE);
sge_TTF_CloseFont(font);
/* Main loop */
SDL_Event event;
do{
/* Wait for user input */
SDL_WaitEvent(&event);
if(event.type==SDL_KEYDOWN && event.key.keysym.sym==SDLK_ESCAPE){break;}
if(event.type==SDL_QUIT){break;}
}while(true);
return 0;
}
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