img1.c

一本关于ARM 嵌入系统书籍源代码很实用的

#include <stdio.h>
#define MWINCLUDECOLORS
#include "microwin/nano-X.h"

GR_WINDOW_ID  wid;
GR_GC_ID      gc;

extern GR_IMAGE_HDR  image_car;

void event_handler (GR_EVENT *event);

int main (void)
{
    if (GrOpen() < 0)
    {
        fprintf (stderr, "GrOpen failed");
        exit (1);
    }

    gc = GrNewGC();

    wid = GrNewWindowEx (GR_WM_PROPS_APPFRAME |
                         GR_WM_PROPS_CAPTION  |
                         GR_WM_PROPS_CLOSEBOX,
                         "Car Window I",
                         GR_ROOT_WINDOW_ID, 50, 50, 
                         image_car.width, 
                         image_car.height, 
                         WHITE);

    GrSelectEvents (wid, GR_EVENT_MASK_EXPOSURE | 
                         GR_EVENT_MASK_CLOSE_REQ);

    GrMapWindow (wid);
    GrMainLoop (event_handler);
    return 0;
}

void event_handler (GR_EVENT *event)
{
    switch (event->type)
    {
    case GR_EVENT_TYPE_EXPOSURE:
        GrDrawImageBits (wid , gc , 0 , 0, &image_car);
        break;

    case GR_EVENT_TYPE_CLOSE_REQ:
        GrClose();
        exit (0);
    }
}