rt-thread-official/examples/gui/demo_plot.c

75 lines
2.9 KiB
C

#include <rtgui/widgets/plot.h>
#include <rtgui/widgets/plot_curve.h>
#include "demo_view.h"
/* sin data */
rt_int16_t sin_ydata[] = {
0, 9, 19, 29, 38, 47, 56, 64, 71, 78, 84, 89, 93, 96, 98, 99, 99, 99, 97,
94, 90, 86, 80, 74, 67, 59, 51, 42, 33, 23, 14, 4, -5, -15, -25, -35, -44,
-52, -61, -68, -75, -81, -87, -91, -95, -97, -99, -99, -99, -98, -95, -92,
-88, -83, -77, -70, -63, -55, -46, -37, -27, -18, -8, 1, 11, 21, 31
};
rt_int16_t cos_ydata[] = {
50, 49, 46, 41, 34, 27, 18, 8, -1, -11, -20, -29, -36, -42, -47, -49, -49,
-48, -44, -39, -32, -24, -15, -5, 4, 14, 23, 31, 38, 44, 48, 49, 49, 47,
43, 37, 30, 21, 12, 2, -7, -16, -25, -33, -40, -45, -48, -49, -49, -46,
-41, -35, -28, -19, -9, 0, 10, 19, 28, 36, 42, 46, 49, 49, 48, 45, 40, 33,
25, 16, 6, -3, -12, -22, -30, -37, -43, -47, -49, -49, -47, -44, -38, -31,
-23, -13, -3, 6, 15, 24, 33, 39, 45, 48, 49, 49, 46, 42, 36, 29, 20, 10, 1,
-8, -18, -27, -35, -41, -46, -49, -49, -48, -45, -41, -34, -26, -17, -8, 1,
11, 21, 29, 37, 43, 47, 49, 49, 48, 44, 39, 32, 24, 14, 5, -4, -14, -23,
-32, -39, -44, -48, -49, -49, -47, -43, -37, -30, -21, -12, -2, 7, 17, 26,
34, 40, 45, 48, 49, 49, 46, 41, 35, 27, 18, 9, 0, -10, -20, -28, -36, -42,
-46, -49, -49, -48, -45, -40, -33, -25, -16, -6, 3, 13, 22, 31, 38, 43, 47,
49, 49, 47, 43, 38
};
struct rtgui_container* demo_plot(void)
{
struct rtgui_container *cnt;
struct rtgui_plot_curve *curve1, *curve2, *curve3;
struct rtgui_plot *plot;
struct rtgui_rect rect;
cnt = demo_view("ÇúĎßťćÍź");
plot = rtgui_plot_create();
curve1 = rtgui_plot_curve_create();
rtgui_plot_curve_set_y(curve1, sin_ydata);
RTGUI_MV_MODEL(curve1)->length = sizeof(sin_ydata)/sizeof(sin_ydata[0]);
curve1->min_x = 0;
curve1->max_x = sizeof(sin_ydata)/sizeof(sin_ydata[0]);
curve1->min_y = -100;
curve1->min_y = 100;
curve1->color = red;
rtgui_mv_model_add_view(RTGUI_MV_MODEL(curve1), RTGUI_MV_VIEW(plot));
curve2 = rtgui_plot_curve_create();
rtgui_plot_curve_set_y(curve2, cos_ydata);
RTGUI_MV_MODEL(curve2)->length = sizeof(cos_ydata)/sizeof(cos_ydata[0]);
curve2->min_x = 0;
curve2->max_x = sizeof(cos_ydata)/sizeof(cos_ydata[0]);
curve1->min_y = -50;
curve1->min_y = 50;
curve2->color = blue;
rtgui_mv_model_add_view(RTGUI_MV_MODEL(curve2), RTGUI_MV_VIEW(plot));
curve3 = rtgui_plot_curve_create();
rtgui_plot_curve_set_x(curve3, cos_ydata);
rtgui_plot_curve_set_y(curve3, sin_ydata);
RTGUI_MV_MODEL(curve3)->length = sizeof(sin_ydata)/sizeof(sin_ydata[0]);
curve3->color = black;
rtgui_mv_model_add_view(RTGUI_MV_MODEL(curve3), RTGUI_MV_VIEW(plot));
rtgui_widget_get_rect(RTGUI_WIDGET(cnt), &rect);
rtgui_widget_set_rect(RTGUI_WIDGET(plot), &rect);
rtgui_plot_set_base(plot,
-rtgui_rect_width(rect)/3, rtgui_rect_height(rect)/2);
rtgui_container_add_child(cnt, RTGUI_WIDGET(plot));
return cnt;
}