PersonalVotingMachine/extended-setup/main/impl/views/QRView.cpp
2020-12-22 14:30:09 +02:00

99 lines
2.4 KiB
C++

/**
* @file IndexView.cpp
* @brief IndexView class implementation
* */
#include "lvgl/lvgl.h"
#include "view.h"
#include "qrcode.h"
static bool clicked = false;
static void finish_cb(lv_obj_t * btn, lv_event_t event){
if(event == LV_EVENT_CLICKED){
clicked = true;
}
}
QRView::QRView(){};
void QRView::render(void * data){
QRCode * qrcode = (QRCode *) data;
lv_obj_t * scr = lv_obj_create(NULL, NULL);
lv_style_copy(&style_scr_bg, &lv_style_plain);
style_scr_bg.body.main_color = lv_color_hex(0x00ff00);
style_scr_bg.body.grad_color = lv_color_hex(0x00ff00);
lv_obj_set_style(scr, &style_scr_bg);
lv_obj_t * label1 = lv_label_create(scr, NULL);
lv_label_set_text(label1, (char *) "QR code");
lv_label_set_align(label1, LV_LABEL_ALIGN_CENTER);
lv_obj_align(label1, NULL, LV_ALIGN_IN_TOP_MID, 0, 10);
uint8_t CH = 2*qrcode->size;
static lv_color_t cbuf[LV_CANVAS_BUF_SIZE_INDEXED_1BIT(240, 240)];
lv_obj_t * canvas = lv_canvas_create(scr, NULL);
lv_canvas_set_buffer(canvas, cbuf, 240,240, LV_IMG_CF_INDEXED_1BIT);
lv_canvas_set_palette(canvas, 0, LV_COLOR_WHITE);
lv_canvas_set_palette(canvas, 1, LV_COLOR_BLACK);
lv_obj_align(canvas, NULL, LV_ALIGN_CENTER, 0, 0);
/*Create colors with the indices of the palette*/
lv_color_t c0;
lv_color_t c1;
c0.full = 0;
c1.full = 1;
lv_canvas_fill_bg(canvas, c0);
static lv_style_t small_text_style;
lv_style_copy(&small_text_style, &lv_style_plain);
small_text_style.text.font = &lv_font_roboto_12;
small_text_style.text.color = c1;
uint8_t x2=10,y2=10;
for (uint8_t y = 0; y < qrcode->size; y++) {
for (uint8_t x = 0; x < qrcode->size; x++) {
if (qrcode_getModule(qrcode, x, y)) {
lv_canvas_set_px(canvas, 2*x+5, 2*y+5, c1);
lv_canvas_set_px(canvas, 2*x+1+5, 2*y+5, c1);
lv_canvas_set_px(canvas, 2*x+5, 2*y+1+5, c1);
lv_canvas_set_px(canvas, 2*x+1+5, 2*y+1+5, c1);
}
x2+=2;
if(x2 == 2*qrcode->size){
y2+=2;
x2=10;
}
}
}
lv_obj_t * label2;
lv_obj_t * btn1 = lv_btn_create(scr, NULL);
lv_obj_set_event_cb(btn1, finish_cb);
lv_obj_set_size(btn1, 100, 40);
lv_obj_align(btn1, NULL, LV_ALIGN_IN_BOTTOM_MID, 0, 0);
label2 = lv_label_create(btn1, NULL);
lv_label_set_style(label2, LV_LABEL_STYLE_MAIN, &lv_style_plain_color);
lv_label_set_text(label2, "Finish");
lv_obj_del(lv_scr_act());
lv_scr_load(scr);
while(!clicked){
vTaskDelay(100);
}
}
void QRView::setLabel(char* data){
}
void QRView::showLoader(bool en){
}