# lv_draw_sw_arm2d.h (/api/draw/sw/arm2d/lv_draw_sw_arm2d_h)
Functions [#functions]
arm_2d_helper_swap_rgb16 [#arm_2d_helper_swap_rgb16]
```c title=" " lineNumbers=1
void arm_2d_helper_swap_rgb16(uint16_t *phwBuffer, uint32_t wCount)
```
Parameters
| Name | Type |
| ----------- | ------------------------------------------------ |
| `phwBuffer` | |
| `wCount` | |
lv_draw_sw_rgb565_swap_helium [#lv_draw_sw_rgb565_swap_helium]
```c title=" " lineNumbers=1
static lv_result_t lv_draw_sw_rgb565_swap_helium(void *buf, uint32_t buf_size_px)
```
Parameters
| Name | Type |
| ------------- | --------------------------- |
| `buf` | `void *` |
| `buf_size_px` | |
lv_draw_sw_image_helium [#lv_draw_sw_image_helium]
\< Fully transparent if opa \<= LV\_OPA\_MIN
\< Log if something unwanted happened but didn't caused problem.
\< Log if something unwanted happened but didn't caused problem.
\< Log only critical issues, when system may fail.
\< Halt by default
\< Fully cover if opa >= LV\_OPA\_MAX
\< Log only critical issues, when system may fail.
\< Halt by default
\< Fully cover if opa >= LV\_OPA\_MAX
```c title=" " lineNumbers=1
static lv_result_t lv_draw_sw_image_helium(bool is_transform, lv_color_format_t src_cf, const uint8_t *src_buf, const lv_area_t *coords, int32_t src_stride, const lv_area_t *des_area, lv_draw_task_t *t, const lv_draw_image_dsc_t *draw_dsc)
```
Parameters
| Name | Type |
| -------------- | ---------------------------------------------------------------------------- |
| `is_transform` | |
| `src_cf` | |
| `src_buf` | |
| `coords` | |
| `src_stride` | |
| `des_area` | |
| `t` | |
| `draw_dsc` | |
while [#while]
```c title=" " lineNumbers=1
while(0)
```
Parameters
| Name | Type |
| ---- | ---- |
| \`\` | `0` |
lv_draw_sw_image_recolor_rgb565 [#lv_draw_sw_image_recolor_rgb565]
```c title=" " lineNumbers=1
static lv_result_t lv_draw_sw_image_recolor_rgb565(const uint8_t *src_buf, const lv_area_t *blend_area, lv_color_t color, lv_opa_t opa)
```
Parameters
| Name | Type |
| ------------ | -------------------------------------------------------- |
| `src_buf` | |
| `blend_area` | |
| `color` | |
| `opa` | |
lv_draw_sw_image_recolor_rgb888 [#lv_draw_sw_image_recolor_rgb888]
```c title=" " lineNumbers=1
static lv_result_t lv_draw_sw_image_recolor_rgb888(const uint8_t *src_buf, const lv_area_t *blend_area, lv_color_t color, lv_opa_t opa, lv_color_format_t src_cf)
```
Parameters
| Name | Type |
| ------------ | -------------------------------------------------------- |
| `src_buf` | |
| `blend_area` | |
| `color` | |
| `opa` | |
| `src_cf` | |
Macros [#macros]
**ARM_2D_IMPL** [#arm_2d_impl]
```c title=" " lineNumbers=1
#define __ARM_2D_IMPL__
```
LV_DRAW_SW_RGB565_SWAP [#lv_draw_sw_rgb565_swap]
```c title=" " lineNumbers=1
#define LV_DRAW_SW_RGB565_SWAP(__buf_ptr, __buf_size_px) \
lv_draw_sw_rgb565_swap_helium((__buf_ptr), (__buf_size_px))
```
LV_DRAW_SW_IMAGE [#lv_draw_sw_image]
```c title=" " lineNumbers=1
#define LV_DRAW_SW_IMAGE(__transformed, __cf, __src_buf, __img_coords, __src_stride, __blend_area, __draw_task, __draw_dsc) \
lv_draw_sw_image_helium( (__transformed), \
(__cf), \
(uint8_t *)(__src_buf), \
(__img_coords), \
(__src_stride), \
(__blend_area), \
(__draw_task), \
(__draw_dsc))
```
LV_DRAW_SW_RGB565_RECOLOR [#lv_draw_sw_rgb565_recolor]
```c title=" " lineNumbers=1
#define LV_DRAW_SW_RGB565_RECOLOR(__src_buf, __blend_area, __color, __opa) \
lv_draw_sw_image_recolor_rgb565( (__src_buf), \
&(__blend_area), \
(__color), \
(__opa))
```
LV_DRAW_SW_RGB888_RECOLOR [#lv_draw_sw_rgb888_recolor]
```c title=" " lineNumbers=1
#define LV_DRAW_SW_RGB888_RECOLOR(__src_buf, __blend_area, __color, __opa, __cf) \
lv_draw_sw_image_recolor_rgb888( (__src_buf), \
&(__blend_area), \
(__color), \
(__opa), \
(__cf))
```
\__RECOLOUR_BEGIN [#__recolour_begin]
```c title=" " lineNumbers=1
#define __RECOLOUR_BEGIN()
```
\__RECOLOUR_END [#__recolour_end]
```c title=" " lineNumbers=1
#define __RECOLOUR_END() \
} while(0); \
if (NULL != rgb_tmp_buf) { \
lv_free(rgb_tmp_buf); \
} \
} while(0);
```
Variables [#variables]
result [#result]
```c title=" " lineNumbers=1
return result
```
Dependencies [#dependencies]