G_MODULE_EXPORT
void btn_save_cb(GtkButton *btn, gpointer data)
{
cairo_t *cr;
cairo_surface_t *surface;
int i;
double y;
surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 512, 500);
cr = cairo_create (surface);
paint_bg(cr);
paint_marker(cr);
//画图（蓝色）
cairo_set_line_width(cr, 1);
cairo_set_source_rgb(cr, 0, 0, 1);
y = TOY(buffer[0])>500 ? 500 : TOY(buffer[0]);
cairo_move_to(cr, 0, TOY(buffer[0]));
for (i=1; i<512; i++) {
y = cfg.yref + yscale*TOY(buffer[i-1]);
//cairo_line_to(cr, i-1, cfg.yref+yscale*TOY(buffer[i-1]));
cairo_line_to(cr, i-1, y>500?500:y);
}
cairo_stroke(cr);
cairo_surface_write_to_png(surface, "save.png");
cairo_destroy(cr);
cairo_surface_destroy(surface);
}
void readData()
{
scanf("%d%d", &toyNum, &compareTimes);
vtxNum = toyNum + compareTimes + 2;
source = vtxNum - 2, sink = vtxNum - 1;
for(int i = 0; i < toyNum; i ++)
{
scanf("%d%d", &initLowerBound[i], &initUpperBound[i]);
initLowerBound[i] = max(initLowerBound[i], 0);
initUpperBound[i] = min(initUpperBound[i], 20000);
}
for(int i = 0, l, r, d; i < compareTimes; i ++)
{
scanf("%d%d%d", &l, &r, &d);
if(d > 0)
addEdge(COMPARE(i), sink, d, d);
else if(d < 0)
addEdge(source, COMPARE(i), -d, -d);
int toyIdx;
while(l --)
{
scanf("%d", &toyIdx);
toyIdx --;
addEdge(TOY(toyIdx), COMPARE(i), 0, INFINITY);
}
while(r --)
{
scanf("%d", &toyIdx);
toyIdx --;
addEdge(COMPARE(i), TOY(toyIdx), 0, INFINITY);
}
}
}
/**
根据共享数组，刷新显示
*/
G_MODULE_EXPORT
int paint(GtkWidget *widget, GdkEvent *event, gpointer data)
{
cairo_t *cr;
int i;
double y;
cr = gdk_cairo_create (widget->window);
paint_bg(cr);
//画图（蓝色）
cairo_set_line_width(cr, 1);
cairo_set_source_rgb(cr, 0, 0, 1);
y = TOY(buffer[0])>500 ? 500 : TOY(buffer[0]);
cairo_move_to(cr, 0, TOY(buffer[0]));
for (i=1; i<512; i++) {
//y轴分为10个div，每个div包含50个点
//因此每1dBm对应的y坐标应该为50/ydiv
//y = (cfg.yref+buffer[i-1]);//dBm值
//y *= -1*50/cfg.ydiv;//坐标值
y = power2axis(buffer[i-1]);
cairo_line_to(cr, i-1, y>500?500:y);
}
cairo_stroke(cr);
paint_marker(cr);
cairo_destroy(cr);
return TRUE;
}
void appendExtraEdge()
{
for(int i = 0; i < toyNum; i ++)
{
int u = TOY(i);
if(inEdge[u] == NULL)
addEdge(source, u, 0, INFINITY);
if(outEdge[u] == NULL)
addEdge(u, sink, 0, INFINITY);
inEdge[u]->lowerBound = initLowerBound[i];
inEdge[u]->capacity = initUpperBound[i];
}
addEdge(sink, source, 0, INFINITY);
}