jeans/openHASP
jeans/openHASP
1
0
Fork 0
mirror of https://github.com/HASwitchPlate/openHASP.git synced 2025-07-24 11:46:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix screenshot resolution bug

Browse Source
This commit is contained in:
fvanroie 2021-01-10 03:01:41 +01:00
parent e0518a39b0
commit 8ba42b2fdf
1 changed files with 15 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/hasp_gui.cpp
View File

@ -661,17 +661,21 @@ static void gui_get_bitmap_header(uint8_t * buffer, size_t bufsize)
buffer[28 + 0] = 16; // or 24, bbp
buffer[30 + 0] = 3; // compression, 0 = RGB / 3 = RGBA
// The refresh draws the active screen only, so we need the dimensions of the active screen
// This could in be diferent from the display driver width/height if the screen has been resized
lv_obj_t * scr = lv_disp_get_scr_act(NULL);
// file size
guiSetBmpHeader(&buffer[2], 122 + disp->driver.hor_res * disp->driver.ver_res * buffer[28] / 8);
// horizontal resolution
guiSetBmpHeader(&buffer[18], lv_obj_get_width(scr)); // disp->driver.hor_res);
guiSetBmpHeader(&buffer[18], lv_obj_get_width(scr));
// guiSetBmpHeader(&buffer[18], disp->driver.hor_res);
// vertical resolution
guiSetBmpHeader(&buffer[22], -lv_obj_get_height(scr)); //-disp->driver.ver_res);
guiSetBmpHeader(&buffer[22], -lv_obj_get_height(scr));
// guiSetBmpHeader(&buffer[22], -disp->driver.ver_res);
// bitmap size
// guiSetBmpHeader(&buffer[34], disp->driver.hor_res * disp->driver.ver_res * buffer[28 + 0] / 8);
guiSetBmpHeader(&buffer[34], lv_obj_get_width(scr) * lv_obj_get_height(scr) * buffer[28 + 0] / 8);
// guiSetBmpHeader(&buffer[34], disp->driver.hor_res * disp->driver.ver_res * buffer[28 + 0] / 8);
// horizontal pixels per meter
guiSetBmpHeader(&buffer[38], 2836);
// vertical pixels per meter
@ -735,7 +739,15 @@ void guiTakeScreenshot(const char * pFileName)
void (*flush_cb)(struct _disp_drv_t * disp_drv, const lv_area_t * area, lv_color_t * color_p);
flush_cb = disp->driver.flush_cb; /* store callback */
disp->driver.flush_cb = gui_screenshot_to_file;
lv_obj_invalidate(lv_scr_act());
// lv_area_t scr_area;
// scr_area.x1 = 0;
// scr_area.y1 = 0;
// scr_area.x2 = lv_disp_get_hor_res(disp) - 1;
// scr_area.y2 = lv_disp_get_ver_res(disp) - 1;
// _lv_inv_area(disp, &scr_area);
lv_refr_now(NULL); /* Will call our disp_drv.disp_flush function */
disp->driver.flush_cb = flush_cb; /* restore callback */