Exemplos de plot_data_oct em C++ (Cpp)

Exemplo n.º 1

Arquivo: stereoscope.c Projeto: 87maxi/meters.lv2

static bool expose_event(RobWidget* handle, cairo_t* cr, cairo_rectangle_t *ev) {
	SFSUI* ui = (SFSUI*)GET_HANDLE(handle);

	if (ui->update_grid) {
		update_grid(ui);
		ui->update_grid = false;
	}
	if (ui->clear_persistence) {
		cairo_t* crx;
		crx = cairo_create (ui->sf_dat);
		rounded_rectangle (crx, SS_BORDER, SS_BORDER, SS_SIZE, SS_SIZE, SS_BORDER);
		cairo_set_source_rgba(crx, 0, 0, 0, 1.0);
		cairo_fill(crx);
		cairo_destroy(crx);
		ui->clear_persistence = false;
	}

	if (pthread_mutex_trylock (&ui->fft_lock) == 0 ) {
		if (robtk_cbtn_get_active(ui->btn_oct)) {
			plot_data_oct(ui);
		} else {
			plot_data_fft(ui);
		}
		pthread_mutex_unlock (&ui->fft_lock);
	}

	cairo_rectangle (cr, ev->x, ev->y, ev->width, ev->height);
	cairo_clip (cr);

	cairo_set_source_surface(cr, ui->sf_ann, 0, 0);
	cairo_paint (cr);

	cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
	cairo_set_source_surface(cr, ui->sf_dat, 0, 0);
	cairo_paint (cr);

	return TRUE;
}

Exemplo n.º 2

Arquivo: phasewheel.c Projeto: bangquangvn/meters.lv2

/* main drawing callback */
static bool expose_event(RobWidget* handle, cairo_t* cr, cairo_rectangle_t *ev) {
	MF2UI* ui = (MF2UI*)GET_HANDLE(handle);

	if (ui->update_grid) {
		ui->width  = floor(ui->scale * 2 * (PH_RAD + XOFF));
		ui->height = floor(ui->scale * 2 * (PH_RAD + YOFF));

		m0_create_surfaces(ui);
		update_grid(ui);
		ui->update_grid = false;
	}

	cairo_translate(cr,
			rint((ui->m0_width - ui->width) * .5),
			rint((ui->m0_height - ui->height) * .5));

	if (pthread_mutex_trylock (&ui->fft_lock) == 0 ) {
		if (robtk_cbtn_get_active(ui->btn_oct)) {
			plot_data_oct(ui);
		} else {
			plot_data_fft(ui);
		}
		pthread_mutex_unlock (&ui->fft_lock);
	}

	cairo_rectangle (cr, ev->x, ev->y, ev->width, ev->height);
	cairo_clip (cr);

	cairo_set_source_surface(cr, ui->sf_ann, 0, 0);
	cairo_paint (cr);

	cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
	cairo_set_source_surface(cr, ui->sf_dat, 0, 0);
	cairo_paint (cr);

	return TRUE;
}