?? g2_x11.c
字號:
return -1; }}int g2_X11_clear_palette(int pid, void *pdp){ g2_X11_device *xout=&g2_X11_dev[pid]; XFreeColors(xout->display,xout->colormap, xout->inks,xout->NofInks,0x0ul); xout->NofInks=0; if(xout->inks!=NULL) free(xout->inks); xout->inks=NULL; return 0;}int g2_X11_set_background(int pid, void *pdp, int color){ g2_X11_device *xout=&g2_X11_dev[pid]; if(color>=xout->NofInks || color<0) return -1; if (xout->backing_pixmap == None) { XSetWindowBackground(xout->display,xout->dest, xout->inks[color]); } else { xout->background = xout->inks[color]; } g2_X11_clear(pid,pdp); return 0;}int g2_X11_pen(int pid, void *pdp, int color){ g2_X11_device *xout=&g2_X11_dev[pid]; if(color>=xout->NofInks || color<0) return -1; XSetForeground(xout->display, xout->gc, xout->inks[color]); return 0;}int g2_X11_paper(int pid, void *pdp, int color){ g2_X11_device *xout=&g2_X11_dev[pid]; if(color>=xout->NofInks || color<0) return -1; XSetBackground(xout->display, xout->gc, xout->inks[color]); return 0;}int g2_X11_set_line_width(int pid, void *pdp, int w){ g2_X11_device *xout=&g2_X11_dev[pid]; XGCValues val; val.line_width=w; XChangeGC(xout->display, xout->gc, GCLineWidth, &val); return 0;}int g2_X11_set_dash(int pid, void *pdp, int n, int *data){ g2_X11_device *xout=&g2_X11_dev[pid]; XGCValues val; int i; if(n<=0 || data==NULL) { val.line_style=LineSolid; XChangeGC(xout->display, xout->gc, GCLineStyle,&val); } else { char *ch_data; ch_data=g2_malloc(n*sizeof(char)); val.line_style=LineOnOffDash; for(i=0;i<n;i++) if(data[i]>0) ch_data[i]=(char)data[i]; else ch_data[i]=1; XChangeGC(xout->display, xout->gc, GCLineStyle, &val); XSetDashes(xout->display, xout->gc, 0, ch_data, n); g2_free(ch_data); } return 0;}int g2_X11_set_font_size(int pid, void *pdp, int size){ g2_X11_device *xout=&g2_X11_dev[pid]; XFontStruct *fnt_str; char font_name[256]; int sizei, d, n; sizei=dtoi(size); if(sizei<=0) sizei=1; /* set to smallest size */ for(n=1;n<32;n++) { d=((n&0x01)? -1:1)*(n>>1); sprintf(font_name, g2_X11Font, sizei+d); fnt_str=XLoadQueryFont(xout->display, font_name); if(fnt_str==NULL) { if(!d) fprintf(stderr,"g2: can not load font: '%s'\n",font_name); } else { XSetFont(xout->display,xout->gc,fnt_str->fid); if(d) fprintf(stderr,"g2: using '%s' instead\n",font_name); return 0; } } fprintf(stderr, "g2: are you sure about %d point size\n", size); return -1;}int g2_X11_plot(int pid, void *pdp, int x, int y){ g2_X11_device *xout=&g2_X11_dev[pid]; XDrawPoint(xout->display, xout->dest, xout->gc, x, y); return 0;}int g2_X11_line(int pid, void *pdp, int x1, int y1, int x2, int y2){ g2_X11_device *xout=&g2_X11_dev[pid]; XDrawLine(xout->display,xout->dest,xout->gc, x1, y1, x2, y2); return 0;}int g2_X11_poly_line(int pid, void *pdp, int N, int *p){ g2_X11_device *xout=&g2_X11_dev[pid]; XPoint *points; int i; points=g2_malloc(N*sizeof(XPoint)); for(i=0;i<N;i++) { points[i].x=(short)p[i*2]; points[i].y=(short)p[i*2+1]; } XDrawLines(xout->display,xout->dest,xout->gc, points, N, CoordModeOrigin); g2_free(points); return 0;}int g2_X11_polygon(int pid, void *pdp, int N, int *p){ g2_X11_device *xout=&g2_X11_dev[pid]; XPoint *points; int i; points=g2_malloc((N+1)*sizeof(XPoint)); for(i=0;i<N;i++) { points[i].x=(short)p[i*2]; points[i].y=(short)p[i*2+1]; } points[N].x=(short)p[0]; points[N].y=(short)p[1]; XDrawLines(xout->display,xout->dest,xout->gc, points, N+1, CoordModeOrigin); g2_free(points); return 0;}int g2_X11_filled_polygon(int pid, void *pdp, int N, int *p){ g2_X11_device *xout=&g2_X11_dev[pid]; XPoint *points; int i; points=g2_malloc((N+1)*sizeof(XPoint)); for(i=0;i<N;i++) { points[i].x=(short)p[i*2]; points[i].y=(short)p[i*2+1]; } points[N].x=(short)p[0]; points[N].y=(short)p[1]; XFillPolygon(xout->display,xout->dest,xout->gc, points, N+1, Complex, CoordModeOrigin); g2_free(points); return 0;}int g2_X11_triangle(int pid, void *pdp, int x1, int y1, int x2, int y2, int x3, int y3){ g2_X11_device *xout=&g2_X11_dev[pid]; XPoint points[4]; points[0].x=x1; points[0].y=y1; points[1].x=x2; points[1].y=y2; points[2].x=x3; points[2].y=y3; points[3].x=x1; points[3].y=y1; XDrawLines(xout->display,xout->dest,xout->gc, points, 4, CoordModeOrigin); return 0;}int g2_X11_filled_triangle(int pid, void *pdp, int x1, int y1, int x2, int y2, int x3, int y3){ g2_X11_device *xout=&g2_X11_dev[pid]; XPoint points[4]; points[0].x=x1; points[0].y=y1; points[1].x=x2; points[1].y=y2; points[2].x=x3; points[2].y=y3; points[3].x=x1; points[3].y=y1; XFillPolygon(xout->display,xout->dest,xout->gc, points, 4, Convex, CoordModeOrigin); return 0;}int g2_X11_rectangle(int pid, void *pdp, int x1, int y1, int x2, int y2){ g2_X11_device *xout=&g2_X11_dev[pid]; XDrawRectangle(xout->display,xout->dest,xout->gc, x1, y1, x2-x1, y2-y1); return 0;}int g2_X11_filled_rectangle(int pid, void *pdp, int x1, int y1, int x2, int y2){ g2_X11_device *xout=&g2_X11_dev[pid]; XDrawRectangle(xout->display,xout->dest,xout->gc, x1, y1, x2-x1, y2-y1); XFillRectangle(xout->display,xout->dest,xout->gc, x1, y1, x2-x1, y2-y1); return 0;}int g2_X11_arc(int pid, void *pdp, int x, int y, int r1, int r2, double a1, double a2){ g2_X11_device *xout=&g2_X11_dev[pid]; double a0, d; a0=fmod(a1, 360.) + (a1<0? 360:0); /* map a1 to [0, 360) */ d=a2>a1? a2-a1:a2-a1+360; XDrawArc(xout->display,xout->dest,xout->gc, x-r1, y-r2, r1*2, r2*2, (int)(a0*64.), (int)(d*64.)); return 0;} int g2_X11_filled_arc(int pid, void *pdp, int x, int y, int r1, int r2, double a1, double a2){ g2_X11_device *xout=&g2_X11_dev[pid]; double a0, d; a0=fmod(a1, 360.) + (a1<0? 360:0); /* map a1 to [0, 360) */ d=a2>a1? a2-a1:a2-a1+360; XDrawArc(xout->display,xout->dest,xout->gc, x-r1, y-r2, r1*2, r2*2, (int)(a0*64.), (int)(d*64.)); XFillArc(xout->display,xout->dest,xout->gc, x-r1, y-r2, r1*2, r2*2, (int)(a0*64.), (int)(d*64.)); return 0;} int g2_X11_ellipse(int pid, void *pdp, int x, int y, int r1, int r2){ g2_X11_device *xout=&g2_X11_dev[pid]; XDrawArc(xout->display,xout->dest,xout->gc, x-r1, y-r2, r1*2, r2*2, 0,360*64); return 0;}int g2_X11_filled_ellipse(int pid, void *pdp, int x, int y, int r1, int r2){ g2_X11_device *xout=&g2_X11_dev[pid]; XDrawArc(xout->display,xout->dest,xout->gc, x-r1, y-r2, r1*2, r2*2, 0,360*64); XFillArc(xout->display,xout->dest,xout->gc, x-r1, y-r2, r1*2, r2*2, 0,360*64); XFlush(xout->display); return 0;} int g2_X11_draw_string(int pid, void *pdp, int x, int y, const char *text){ g2_X11_device *xout=&g2_X11_dev[pid]; XDrawString(xout->display,xout->dest,xout->gc, x, y, text, strlen(text)); return 0;}int g2_X11_image(int pid, void *pdp, int x, int y, int width, int height, int *pen_array){ g2_X11_device *xout=&g2_X11_dev[pid]; XImage *image=NULL; Screen *screen; unsigned long *ink_array; int i; ink_array=malloc(sizeof(unsigned long)*width*height); for(i=0;i<width*height;i++) ink_array[i]=xout->inks[pen_array[i]]; screen=DefaultScreenOfDisplay(xout->display); image=XCreateImage(xout->display, DefaultVisualOfScreen(screen), DefaultDepthOfScreen(screen), ZPixmap, 0, /* offset */ (char *)ink_array, width, height, sizeof(unsigned long)*8, /* bitmap pad */ 0); /* bytes per line */ /* XInitImage(image); problems with AIX ?!! */ XPutImage(xout->display, xout->dest, xout->gc, image, 0, 0, x, y, width, height); XDestroyImage(image); free(ink_array); return 0;}int g2_X11_query_pointer(int pid, void *pdp, int *x, int *y, unsigned int *button){ Bool rv; g2_X11_device *xout=&g2_X11_dev[pid]; Window root, child; int rx, ry; rv = XQueryPointer(xout->display, xout->window, &root, &child, &rx, &ry, x, y, button); if(rv) return 0; else return 1;}int g2_X11_get_pd_handles(int pid, void *pdp, void *handles[G2_PD_HANDLES_SIZE]){ g2_X11_device *xout=&g2_X11_dev[pid]; handles[0]=xout->display; handles[1]=&xout->window; handles[2]=&xout->root; handles[3]=&xout->colormap; handles[4]=&xout->gc; handles[5]=&xout->dest; return 0;}?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -