WINGs_tutorial/SeventhWindow.c

   1 #include <WINGs/WINGs.h>
   2 #include <WINGs/WINGsP.h>
   3
   4 #define HOFF 40
   5 #define VOFF 160
   6 #define WINWIDTH 180
   7 #define WINHEIGHT 300
   8
   9 Display *display;
  10 WMScreen *screen;
  11 WMPixmap* pixmap;
  12
  13 struct _pict {
  14    Drawable dwin;
  15    XSegment segments[40];
  16    int seglen;
  17 } pic;
  18
  19 GC gc, g3;
  20
  21 void closeAction(WMWidget *self,void *data)
  22 {
  23   WMDestroyWidget(self);
  24   exit(0);
  25 }
  26
  27 void drawProcedure(XEvent *event, void *data)
  28 {
  29   struct _pict *p = (struct _pict *) data;
  30
  31   WMDrawPixmap(pixmap, p->dwin, HOFF, 30);
  32   XDrawRectangle(display, p->dwin, g3, HOFF, VOFF, 100, 100);
  33   XFillRectangle(screen->display, p->dwin, WMColorGC(screen->white), HOFF, VOFF, 100, 100);
  34   XDrawSegments(display, p->dwin, WMColorGC(screen->black), p->segments, p->seglen);
  35 }
  36
  37
  38 int main(int argc, char **argv)
  39 {
  40   int i, j;
  41   WMColor *color;
  42   WMWindow *win;
  43   RImage *image;
  44   struct _pict pict;
  45   Drawable de;
  46
  47   RColor one = { 247, 251, 107, 0xFF },
  48          two = { 0xAF, 0x0F, 0xFF, 0x33 };
  49
  50   WMInitializeApplication("DrawWin", &argc, argv);
  51   display = XOpenDisplay("");
  52   screen = WMCreateScreen(display, DefaultScreen(display));
  53   win = WMCreateWindow(screen, "");
  54   WMResizeWidget(win, WINWIDTH, WINHEIGHT);
  55   WMSetWindowCloseAction(win, closeAction, NULL);
  56   WMSetWindowTitle(win, "Graphics");
  57   color = WMCreateRGBColor(screen, 124<<9, 206<<8, 162<<8, False);
  58   WMSetWidgetBackgroundColor((WMWidget *)win, color);
  59   /* end setup main window */
  60
  61   image = RCreateImage(100, 100, 0.5);
  62   RFillImage(image, &two);
  63   RDrawLine(image, 50, 10, 90, 90, &one);
  64   RDrawLine(image, 10, 90, 50, 10, &one);
  65   RDrawLine(image, 10, 90, 90, 90, &one);
  66
  67   g3 = WMColorGC(screen->gray);
  68   XSetLineAttributes(display, g3, 3, LineSolid, CapButt, JoinMiter);
  69
  70   pict.segments[1].x1 = pict.segments[0].x1 = HOFF;
  71   pict.segments[0].x2 = HOFF;
  72   pict.segments[0].y1 = VOFF;
  73   pict.segments[1].y2 = pict.segments[0].y2 = VOFF;
  74   pict.segments[1].x2 = HOFF + 10;
  75   pict.segments[1].y1 = VOFF + 10;
  76   pict.seglen = 2;
  77   for (i = 9; i > 0; i--) {
  78     j = 2 * (10 - i);
  79     pict.segments[j+1].x1 = pict.segments[j].x1 = HOFF;
  80     pict.segments[j+1].y2 = pict.segments[j].y2 = VOFF;
  81     pict.segments[j  ].x2 = i + pict.segments[j-1].x2;
  82     pict.segments[j  ].y1 = i + pict.segments[j-1].y1;
  83     pict.segments[j+1].x2 = i + pict.segments[j  ].x2;
  84     pict.segments[j+1].y1 = i + pict.segments[j  ].y1;
  85     pict.seglen += 2;
  86   };
  87
  88   WMRealizeWidget(win);
  89
  90   pict.dwin = W_VIEW_DRAWABLE(WMWidgetView(win));
  91   pixmap = WMCreatePixmapFromRImage(screen, image, 1);
  92
  93   WMCreateEventHandler(WMWidgetView(win), ExposureMask, drawProcedure, &pict);
  94
  95   WMMapWidget(win);
  96   WMScreenMainLoop(screen);
  97 }