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feat(draw_buff): adapt lv_draw_buf_dup to support multi-instance (#6179)

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Benign X 2024-05-06 20:03:16 +08:00 committed by GitHub
parent e4224c75ce
commit 5207948604
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GPG Key ID: B5690EEEBB952194
2 changed files with 21 additions and 8 deletions
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7
src/draw/lv_draw_buf.c
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@ -300,9 +300,14 @@ lv_draw_buf_t * lv_draw_buf_create_user(const lv_draw_buf_handlers_t * handlers,
}
lv_draw_buf_t * lv_draw_buf_dup(const lv_draw_buf_t * draw_buf)
{
return lv_draw_buf_dup_user(&default_handlers, draw_buf);
}
lv_draw_buf_t * lv_draw_buf_dup_user(const lv_draw_buf_handlers_t * handlers, const lv_draw_buf_t * draw_buf)
{
const lv_image_header_t * header = &draw_buf->header;
lv_draw_buf_t * new_buf = lv_draw_buf_create(header->w, header->h, header->cf, header->stride);
lv_draw_buf_t * new_buf = lv_draw_buf_create_user(handlers, header->w, header->h, header->cf, header->stride);
if(new_buf == NULL) return NULL;
new_buf->header.flags = draw_buf->header.flags;

22
src/draw/lv_draw_buf.h
View File

@ -250,6 +250,21 @@ lv_draw_buf_t * lv_draw_buf_create(uint32_t w, uint32_t h, lv_color_format_t cf,
lv_draw_buf_t * lv_draw_buf_create_user(const lv_draw_buf_handlers_t * handlers, uint32_t w, uint32_t h,
lv_color_format_t cf, uint32_t stride);
/**
* Duplicate a draw buf with same image size, stride and color format. Copy the image data too.
* @param draw_buf the draw buf to duplicate
* @return the duplicated draw buf on success, NULL if failed
*/
lv_draw_buf_t * lv_draw_buf_dup(const lv_draw_buf_t * draw_buf);
/**
* Duplicate a draw buf with same image size, stride and color format. Copy the image data too.
* @param handlers the draw buffer handlers
* @param draw_buf the draw buf to duplicate
* @return the duplicated draw buf on success, NULL if failed
*/
lv_draw_buf_t * lv_draw_buf_dup_user(const lv_draw_buf_handlers_t * handlers, const lv_draw_buf_t * draw_buf);
/**
* Initialize a draw buf with the given buffer and parameters.
* @param draw_buf the draw buf to initialize
@ -264,13 +279,6 @@ lv_draw_buf_t * lv_draw_buf_create_user(const lv_draw_buf_handlers_t * handlers,
lv_result_t lv_draw_buf_init(lv_draw_buf_t * draw_buf, uint32_t w, uint32_t h, lv_color_format_t cf, uint32_t stride,
void * data, uint32_t data_size);
/**
* Duplicate a draw buf with same image size, stride and color format. Copy the image data too.
* @param draw_buf the draw buf to duplicate
* @return the duplicated draw buf on success, NULL if failed
*/
lv_draw_buf_t * lv_draw_buf_dup(const lv_draw_buf_t * draw_buf);
/**
* Keep using the existing memory, reshape the draw buffer to the given width and height.
* Return NULL if data_size is smaller than the required size.