45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
#include "config.h"
|
|
#include "screenshot.h"
|
|
|
|
uint16_t *png;
|
|
|
|
static void screenshot_disp_flush( lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color_p );
|
|
|
|
void screenshot_setup( void ) {
|
|
png = (uint16_t*)ps_malloc( LV_HOR_RES_MAX * LV_VER_RES_MAX * sizeof( lv_color_t ) );
|
|
}
|
|
|
|
void screenshot_take( void ) {
|
|
lv_disp_drv_t driver;
|
|
lv_disp_t *system_disp;;
|
|
|
|
system_disp = lv_disp_get_default();
|
|
driver.flush_cb = system_disp->driver.flush_cb;
|
|
system_disp->driver.flush_cb = screenshot_disp_flush;
|
|
lv_obj_invalidate( lv_scr_act() );
|
|
lv_refr_now( system_disp );
|
|
system_disp->driver.flush_cb = driver.flush_cb;
|
|
}
|
|
|
|
void screenshot_save( void ) {
|
|
SPIFFS.remove( SCREENSHOT_FILE_NAME );
|
|
fs::File file = SPIFFS.open( SCREENSHOT_FILE_NAME, FILE_WRITE );
|
|
|
|
file.write( (uint8_t *)png, LV_HOR_RES_MAX * LV_VER_RES_MAX * 2 );
|
|
file.close();
|
|
}
|
|
|
|
static void screenshot_disp_flush( lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color_p ) {
|
|
|
|
uint32_t x, y;
|
|
uint16_t *data = (uint16_t *)color_p;
|
|
|
|
for(y = area->y1; y <= area->y2; y++) {
|
|
for(x = area->x1; x <= area->x2; x++) {
|
|
*(png + (y * LV_HOR_RES_MAX + x )) = *data;
|
|
data++;
|
|
}
|
|
}
|
|
lv_disp_flush_ready(disp_drv);
|
|
}
|