观世界赛事，品足球人生--2022世界杯

#include

#include

#include

void gtk_drawBap(GdkDrawable* drawable,gint w,gint h,gint x,gint y,const guchar *buff)

{

gint x0=x;

guchar temp;

gint i,j;

/*创建gc*/

GdkGC* gc_white = gdk_gc_new(drawable);

    /*设置颜色*/

GdkColor color;

color.red = 0xFFFF;

color.green =0xFFFF;

color.blue = 0xFFFF;

gdk_gc_set_rgb_fg_color (gc_white, &color);

GdkGC* gc_black = gdk_gc_new(drawable);

color.red = 0;

color.green =0;

color.blue = 0;

gdk_gc_set_rgb_fg_color (gc_black, &color);

for(i=0;i

{

temp=buff[i];

for(j=0;j<8;j++)

{

if(temp&0x80)

{

gdk_draw_point(drawable,gc_black,x0,y);

}

x0++;

temp<<=1;

}

if(x0-x==w)

{

x0=x;

y++;

}

}

}

/*信号处理函数*/

int draw_image(GtkWidget *widget,GdkEvent *event,gpointer data)

{

    /*将widget转换为drawable 指针*/

GdkDrawable* drawable = GDK_DRAWABLE(widget->window);

   gtk_drawBap(drawable,200,137,100,170,buff);

return FALSE;

}

void change_background(GtkWidget *widget, int w, int h, const gchar *path)

{

//1.允许窗口可以绘图

gtk_widget_set_app_paintable(widget, TRUE);

gtk_widget_realize(widget);

/* 更改背景图时，外汇跟单gendan5.com图片会重叠

* 这时要手动调用下面的函数，让窗口绘图区域失效，产生窗口重绘制事件（即 expose 事件）。

*/

gtk_widget_queue_draw(widget);

GdkPixbuf *src = gdk_pixbuf_new_from_file(path, NULL);

GdkPixbuf *dst = gdk_pixbuf_scale_simple(src,w,h,GDK_INTERP_BILINEAR);

/* 创建pixmap图像;  

* NULL：不需要蒙版;  

* 123： 0~255，透明到不透明

*/

GdkPixmap *pixmap = NULL;

gdk_pixbuf_render_pixmap_and_mask(dst,&pixmap,NULL,0);

// 通过pixmap给widget设置一张背景图，{BANNED}最佳后一个参数必须为: FASL

gdk_window_set_back_pixmap(widget->window,pixmap,FALSE);

g_object_unref(src);

g_object_unref(dst);

g_object_unref(pixmap);

return;

}

int main(int argc,char *argv[])

{

GtkWidget *window;

GtkWidget *drawarea;

GtkWidget *hbox;

GtkWidget *label;

/*gtk初始化*/

gtk_init(&argc,&argv);

/*创建窗口*/

window=gtk_window_new(GTK_WINDOW_TOPLEVEL);  

gtk_window_set_title(GTK_WINDOW(window),"卡塔尔世界杯");

/*固定窗口大小*/

gtk_window_set_resizable (GTK_WINDOW(window),FALSE);

/*设置窗口大小*/

gtk_widget_set_size_request(window,800,480);

gtk_window_set_position(GTK_WINDOW(window),GTK_WIN_POS_CENTER_ALWAYS);//居中显示

/*连接信号*/

g_signal_connect(G_OBJECT(window),"destroy",G_CALLBACK(gtk_main_quit),NULL);

/*创建横向盒*/

hbox=gtk_hbox_new(FALSE,0);

gtk_container_add(GTK_CONTAINER(window),hbox);

gtk_widget_show(hbox);

/*创建绘图区域*/

gtk_widget_push_visual(gdk_rgb_get_visual());

gtk_widget_push_colormap(gdk_rgb_get_cmap());

drawarea=gtk_drawing_area_new();

gtk_widget_pop_visual();

gtk_widget_pop_colormap();

gtk_container_add(GTK_CONTAINER(hbox),drawarea);

/*显示绘图区域*/

gtk_widget_show(drawarea);

/*连接信号*/

g_signal_connect(G_OBJECT(drawarea),"expose_event",G_CALLBACK(draw_image),NULL);

gtk_widget_set_size_request(GTK_WIDGET(drawarea),400,480);

/*创建标签*/

label=gtk_label_new("姓名:");

gtk_box_pack_start(GTK_BOX(hbox),label,TRUE,FALSE,0);

gtk_label_set_markup(GTK_LABEL(label),"2022卡特尔世界杯\n为世界杯喝彩！");

gtk_widget_show(label);

gtk_widget_show_all(window);

gtk_main();   

}