void cross(graphics& graph, int x, int y, uint32_t size, uint32_t thickness, nana::color_t color)
{
if(thickness + 2 <= size)
{
int gap = (size - thickness) / 2;
nana::point ps[12];
ps[0].x = x + gap;
ps[1].x = ps[0].x + thickness - 1;
ps[1].y = ps[0].y = y;
ps[2].x = ps[1].x;
ps[2].y = y + gap;
ps[3].x = ps[2].x + gap;
ps[3].y = ps[2].y;
ps[4].x = ps[3].x;
ps[4].y = ps[3].y + thickness - 1;
ps[5].x = ps[1].x;
ps[5].y = ps[4].y;
ps[6].x = ps[5].x;
ps[6].y = ps[5].y + gap;
ps[7].x = x + gap;
ps[7].y = ps[6].y;
ps[8].x = ps[7].x;
ps[8].y = ps[4].y;
ps[9].x = x;
ps[9].y = ps[4].y;
ps[10].x = x;
ps[10].y = y + gap;
ps[11].x = x + gap;
ps[11].y = y + gap;
nana::color_t dkcolor = graph.mix(color, 0x0, 0.5);
for(int i = 0; i < 11; ++i)
graph.line(ps[i], ps[i + 1], dkcolor);
graph.line(ps[11], ps[0], dkcolor);
graph.rectangle(ps[10].x + 1, ps[10].y + 1, (gap << 1) + thickness - 2, thickness - 2, color, true);
graph.rectangle(ps[0].x + 1, ps[0].y + 1, thickness - 2, (gap << 1) + thickness - 2, color, true);
}
}
void draw_bar( graphics& gx, UINT width, UINT height, int n_bar, int total_bars, color c, double val )
{
double bar_width = double(width) / (2*total_bars);
double bar_height = double(height - 2) * val * (double(step)/double(steps-1));
double bar_x1 = bar_width/2 + n_bar * 2 * bar_width;
double bar_x2 = bar_x1 + bar_width;
double bar_y2 = height - 0.5;
double bar_y1 = bar_y2 - bar_height;
color c_outline(0,0,0,0);
gx.line_color(c_outline);
gx.line_width(3);
COLOR_STOP cs[3] =
{
{ gcolor(c) , 0.0f },
{ gcolor(0xff,0xff,0xff), 0.33f },
{ gcolor(c), 1.0f }
};
gx.fill_linear_gradient( bar_x1,bar_y1,bar_x2,bar_y1, cs, 3);
gx.rectangle(bar_x1,bar_y1,bar_x2,bar_y2,6,6,0,0);
}