「App:Library:LVGL:docs:Others:Snapshot」の版間の差分
提供: robot-jp wiki
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| + | = Snapshot = | ||
| + | Snapshot provides APIs to take snapshot image for LVGL object together with its children. The image will look exactly like the object. | ||
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| + | == Usage == | ||
| + | Simply call API <code>lv_snapshot_take</code> to generate the image descriptor which can be set as image object src using <code>lv_img_set_src</code>. | ||
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| + | Note, only below color formats are supported for now: | ||
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| + | * LV_IMG_CF_TRUE_COLOR_ALPHA | ||
| + | * LV_IMG_CF_ALPHA_1BIT | ||
| + | * LV_IMG_CF_ALPHA_2BIT | ||
| + | * LV_IMG_CF_ALPHA_4BIT | ||
| + | * LV_IMG_CF_ALPHA_8BIT | ||
2022年6月22日 (水) 21:15時点における版
https://docs.lvgl.io/8.2/others/snapshot.html
| 英文 | 自動翻訳 |
|---|---|
Snapshot
Snapshot provides APIs to take snapshot image for LVGL object together with its children. The image will look exactly like the object.
Usage
Simply call API lv_snapshot_take to generate the image descriptor which can be set as image object src using lv_img_set_src.
Note, only below color formats are supported for now:
- LV_IMG_CF_TRUE_COLOR_ALPHA
- LV_IMG_CF_ALPHA_1BIT
- LV_IMG_CF_ALPHA_2BIT
- LV_IMG_CF_ALPHA_4BIT
- LV_IMG_CF_ALPHA_8BIT
