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790aa5a529d1ac37afbb0a18c33a9ecf4d64bff8
lvgl/src/draw/sw/blend/lv_draw_sw_blend.c
Fabian Blatz 790aa5a529 feat(draw/sw): add support for LV_COLOR_FORMAT_I1 (#6345) 
Co-authored-by: Gabor Kiss-Vamosi <kisvegabor@gmail.com>
2024-07-19 12:10:28 +02:00

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/**
* @file lv_draw_sw_blend.c
*
*/
/*********************
* INCLUDES
*********************/
#include "../lv_draw_sw.h"
#if LV_DRAW_SW_SUPPORT_L8
#include "lv_draw_sw_blend_to_l8.h"
#endif
#if LV_DRAW_SW_SUPPORT_AL88
#include "lv_draw_sw_blend_to_al88.h"
#endif
#if LV_DRAW_SW_SUPPORT_RGB565
#include "lv_draw_sw_blend_to_rgb565.h"
#endif
#if LV_DRAW_SW_SUPPORT_ARGB8888
#include "lv_draw_sw_blend_to_argb8888.h"
#endif
#if LV_DRAW_SW_SUPPORT_RGB888
#include "lv_draw_sw_blend_to_rgb888.h"
#endif
#if LV_DRAW_SW_SUPPORT_I1
#include "lv_draw_sw_blend_to_i1.h"
#endif
#if LV_USE_DRAW_SW
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* STATIC PROTOTYPES
**********************/
/**********************
* STATIC VARIABLES
**********************/
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
void lv_draw_sw_blend(lv_draw_unit_t * draw_unit, const lv_draw_sw_blend_dsc_t * blend_dsc)
{
/*Do not draw transparent things*/
if(blend_dsc->opa <= LV_OPA_MIN) return;
if(blend_dsc->mask_buf && blend_dsc->mask_res == LV_DRAW_SW_MASK_RES_TRANSP) return;
lv_area_t blend_area;
if(!_lv_area_intersect(&blend_area, blend_dsc->blend_area, draw_unit->clip_area)) return;
LV_PROFILER_BEGIN;
lv_layer_t * layer = draw_unit->target_layer;
uint32_t layer_stride_byte = lv_draw_buf_width_to_stride(lv_area_get_width(&layer->buf_area), layer->color_format);
if(blend_dsc->src_buf == NULL) {
_lv_draw_sw_blend_fill_dsc_t fill_dsc;
fill_dsc.dest_w = lv_area_get_width(&blend_area);
fill_dsc.dest_h = lv_area_get_height(&blend_area);
fill_dsc.dest_stride = layer_stride_byte;
fill_dsc.opa = blend_dsc->opa;
fill_dsc.color = blend_dsc->color;
if(blend_dsc->mask_buf == NULL) fill_dsc.mask_buf = NULL;
else if(blend_dsc->mask_res == LV_DRAW_SW_MASK_RES_FULL_COVER) fill_dsc.mask_buf = NULL;
else fill_dsc.mask_buf = blend_dsc->mask_buf;
fill_dsc.relative_area = blend_area;
lv_area_move(&fill_dsc.relative_area, -layer->buf_area.x1, -layer->buf_area.y1);
fill_dsc.dest_buf = lv_draw_layer_go_to_xy(layer, blend_area.x1 - layer->buf_area.x1,
blend_area.y1 - layer->buf_area.y1);
if(fill_dsc.mask_buf) {
fill_dsc.mask_stride = blend_dsc->mask_stride == 0 ? lv_area_get_width(blend_dsc->mask_area) : blend_dsc->mask_stride;
fill_dsc.mask_buf += fill_dsc.mask_stride * (blend_area.y1 - blend_dsc->mask_area->y1) +
(blend_area.x1 - blend_dsc->mask_area->x1);
}
switch(layer->color_format) {
#if LV_DRAW_SW_SUPPORT_RGB565
case LV_COLOR_FORMAT_RGB565:
lv_draw_sw_blend_color_to_rgb565(&fill_dsc);
break;
#endif
#if LV_DRAW_SW_SUPPORT_ARGB8888
case LV_COLOR_FORMAT_ARGB8888:
lv_draw_sw_blend_color_to_argb8888(&fill_dsc);
break;
#endif
#if LV_DRAW_SW_SUPPORT_RGB888
case LV_COLOR_FORMAT_RGB888:
lv_draw_sw_blend_color_to_rgb888(&fill_dsc, 3);
break;
#endif
#if LV_DRAW_SW_SUPPORT_XRGB8888
case LV_COLOR_FORMAT_XRGB8888:
lv_draw_sw_blend_color_to_rgb888(&fill_dsc, 4);
break;
#endif
#if LV_DRAW_SW_SUPPORT_L8
case LV_COLOR_FORMAT_L8:
lv_draw_sw_blend_color_to_l8(&fill_dsc);
break;
#endif
#if LV_DRAW_SW_SUPPORT_AL88
case LV_COLOR_FORMAT_AL88:
lv_draw_sw_blend_color_to_al88(&fill_dsc);
break;
#endif
#if LV_DRAW_SW_SUPPORT_I1
case LV_COLOR_FORMAT_I1:
lv_draw_sw_blend_color_to_i1(&fill_dsc);
break;
#endif
default:
break;
}
}
else {
if(!_lv_area_intersect(&blend_area, &blend_area, blend_dsc->src_area)) {
LV_PROFILER_END;
return;
}
if(blend_dsc->mask_area && !_lv_area_intersect(&blend_area, &blend_area, blend_dsc->mask_area)) {
LV_PROFILER_END;
return;
}
_lv_draw_sw_blend_image_dsc_t image_dsc;
image_dsc.dest_w = lv_area_get_width(&blend_area);
image_dsc.dest_h = lv_area_get_height(&blend_area);
image_dsc.dest_stride = layer_stride_byte;
image_dsc.opa = blend_dsc->opa;
image_dsc.blend_mode = blend_dsc->blend_mode;
image_dsc.src_stride = blend_dsc->src_stride;
image_dsc.src_color_format = blend_dsc->src_color_format;
const uint8_t * src_buf = blend_dsc->src_buf;
uint32_t src_px_size = lv_color_format_get_bpp(blend_dsc->src_color_format);
src_buf += image_dsc.src_stride * (blend_area.y1 - blend_dsc->src_area->y1);
src_buf += ((blend_area.x1 - blend_dsc->src_area->x1) * src_px_size) >> 3;
image_dsc.src_buf = src_buf;
if(blend_dsc->mask_buf == NULL) image_dsc.mask_buf = NULL;
else if(blend_dsc->mask_res == LV_DRAW_SW_MASK_RES_FULL_COVER) image_dsc.mask_buf = NULL;
else image_dsc.mask_buf = blend_dsc->mask_buf;
if(image_dsc.mask_buf) {
image_dsc.mask_buf = blend_dsc->mask_buf;
image_dsc.mask_stride = blend_dsc->mask_stride ? blend_dsc->mask_stride : lv_area_get_width(blend_dsc->mask_area);
image_dsc.mask_buf += image_dsc.mask_stride * (blend_area.y1 - blend_dsc->mask_area->y1) +
(blend_area.x1 - blend_dsc->mask_area->x1);
}
image_dsc.relative_area = blend_area;
lv_area_move(&image_dsc.relative_area, -layer->buf_area.x1, -layer->buf_area.y1);
image_dsc.src_area = *blend_dsc->src_area;
lv_area_move(&image_dsc.src_area, -layer->buf_area.x1, -layer->buf_area.y1);
image_dsc.dest_buf = lv_draw_layer_go_to_xy(layer, blend_area.x1 - layer->buf_area.x1,
blend_area.y1 - layer->buf_area.y1);
switch(layer->color_format) {
#if LV_DRAW_SW_SUPPORT_RGB565
case LV_COLOR_FORMAT_RGB565:
case LV_COLOR_FORMAT_RGB565A8:
lv_draw_sw_blend_image_to_rgb565(&image_dsc);
break;
#endif
#if LV_DRAW_SW_SUPPORT_ARGB8888
case LV_COLOR_FORMAT_ARGB8888:
lv_draw_sw_blend_image_to_argb8888(&image_dsc);
break;
#endif
#if LV_DRAW_SW_SUPPORT_RGB888
case LV_COLOR_FORMAT_RGB888:
lv_draw_sw_blend_image_to_rgb888(&image_dsc, 3);
break;
#endif
#if LV_DRAW_SW_SUPPORT_XRGB8888
case LV_COLOR_FORMAT_XRGB8888:
lv_draw_sw_blend_image_to_rgb888(&image_dsc, 4);
break;
#endif
#if LV_DRAW_SW_SUPPORT_L8
case LV_COLOR_FORMAT_L8:
lv_draw_sw_blend_image_to_l8(&image_dsc);
break;
#endif
#if LV_DRAW_SW_SUPPORT_AL88
case LV_COLOR_FORMAT_AL88:
lv_draw_sw_blend_image_to_al88(&image_dsc);
break;
#endif
#if LV_DRAW_SW_SUPPORT_I1
case LV_COLOR_FORMAT_I1:
lv_draw_sw_blend_image_to_i1(&image_dsc);
break;
#endif
default:
break;
}
}
LV_PROFILER_END;
}
/**********************
* STATIC FUNCTIONS
**********************/
#endif
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