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Cst816s: scale down SDL mouse coordinates according to MONITOR_ZOOM

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The lv_drivers provided monitor driver supports a `MONITOR_ZOOM`-factor
which scales the window by the set factor. This is 'useful when
simulating small screens'.

The zoom can be set as cmake configuration setting `-DMONITOR_ZOOM=1`.

Probably even more usefull for high-dpi screens where 240 pixels is
really tiny.
This commit is contained in:
Reinhold Gschweicher
2022-03-30 19:49:17 +02:00
parent 84195fa44b
commit bf3a255ca4
4 changed files with 16 additions and 0 deletions
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3
lv_drv_conf.h
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@@ -99,7 +99,10 @@
# define MONITOR_VER_RES 240
/* Scale window by this factor (useful when simulating small screens) */
#ifndef MONITOR_ZOOM
# define MONITOR_ZOOM 1
#endif
static_assert(MONITOR_ZOOM > 0);
/* Used to test true double buffering with only address changing.
* Set LV_draw_buf_SIZE = (LV_HOR_RES * LV_VER_RES) and LV_draw_buf_DOUBLE = 1 and LV_COLOR_DEPTH = 32" */