Embedded/lvgl
1
0
Fork 0
mirror of https://github.com/lvgl/lvgl.git synced 2025-01-21 06:53:01 +08:00
Code Issues Projects Releases Wiki Activity

define lv_img_set_offset() with new params

Browse Source
This commit is contained in:
Ali Rostami 2019-03-06 17:33:14 +03:30 committed by GitHub
parent c2e3e9d494
commit fc375fd115
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 38 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
lv_objx/lv_img.c
View File

@ -239,16 +239,49 @@ void lv_img_set_auto_size(lv_obj_t * img, bool en)
/** /**
* Set an offset for the source of an image. * Set an offset for the source of an image.
* so the image will be displayed from this new origin. * so the image will be displayed from the new origin.
* @param img pointer to an image * @param img pointer to an image
* @param en true: auto size enable, false: auto size disable * @param x: the new offset along x axis.
* @param y: the new offset along y axis.
*/ */
void lv_img_set_offset(lv_obj_t *img, lv_point_t offset) void lv_img_set_offset(lv_obj_t *img, lv_coord_t x, lv_coord_t y)
{ {
lv_img_ext_t * ext = lv_obj_get_ext_attr(img); lv_img_ext_t * ext = lv_obj_get_ext_attr(img);
if((ext->offset.x < ext->w - 1) && (ext->offset.y < ext->h - 1)) if((x < ext->w - 1) && (y < ext->h - 1)) {
ext->offset = offset; ext->offset.x = x;
ext->offset.y = y;
}
}
/**
* Set an offset for the source of an image.
* so the image will be displayed from the new origin.
* @param img pointer to an image
* @param x: the new offset along x axis.
*/
void lv_img_set_offset_x(lv_obj_t *img, lv_coord_t x)
{
lv_img_ext_t * ext = lv_obj_get_ext_attr(img);
if(x < ext->w - 1) {
ext->offset.x = x;
}
}
/**
* Set an offset for the source of an image.
* so the image will be displayed from the new origin.
* @param img pointer to an image
* @param y: the new offset along y axis.
*/
void lv_img_set_offset_y(lv_obj_t *img, lv_coord_t y)
{
lv_img_ext_t * ext = lv_obj_get_ext_attr(img);
if(y < ext->h - 1) {
ext->offset.y = y;
}
} }
/*===================== /*=====================