acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
lv_draw_sdl_bg.c (2998B)
      1 /**
      2  * @file lv_draw_sdl_bg.c
      3  *
      4  */
      5 
      6 /*********************
      7  *      INCLUDES
      8  *********************/
      9 
     10 #include "../../lv_conf_internal.h"
     11 
     12 #if LV_USE_GPU_SDL
     13 
     14 #include "../lv_draw_rect.h"
     15 #include "../lv_draw_img.h"
     16 #include "../lv_draw_label.h"
     17 #include "../lv_draw_mask.h"
     18 #include "../../core/lv_refr.h"
     19 #include "lv_draw_sdl_utils.h"
     20 #include "lv_draw_sdl_texture_cache.h"
     21 #include "lv_draw_sdl_composite.h"
     22 
     23 /*********************
     24  *      DEFINES
     25  *********************/
     26 
     27 /**********************
     28  *      TYPEDEFS
     29  **********************/
     30 
     31 /**********************
     32  *  STATIC PROTOTYPES
     33  **********************/
     34 
     35 static void draw_bg_color(lv_draw_sdl_ctx_t * ctx, const lv_area_t * coords, const lv_area_t * draw_area,
     36                           const lv_draw_rect_dsc_t * dsc);
     37 
     38 static void draw_bg_img(lv_draw_sdl_ctx_t * ctx, const lv_area_t * coords, const lv_area_t * draw_area,
     39                         const lv_draw_rect_dsc_t * dsc);
     40 
     41 /**********************
     42  *  STATIC VARIABLES
     43  **********************/
     44 
     45 /**********************
     46  *      MACROS
     47  **********************/
     48 
     49 /**********************
     50  *   GLOBAL FUNCTIONS
     51  **********************/
     52 
     53 void lv_draw_sdl_draw_bg(lv_draw_ctx_t * draw_ctx, const lv_draw_rect_dsc_t * dsc, const lv_area_t * coords)
     54 {
     55     const lv_area_t * clip = draw_ctx->clip_area;
     56     lv_draw_sdl_ctx_t * ctx = (lv_draw_sdl_ctx_t *) draw_ctx;
     57     /* Coords will be translated so coords will start at (0,0) */
     58     lv_area_t t_area;
     59     bool has_content = _lv_area_intersect(&t_area, coords, clip);
     60 
     61     /* Shadows and outlines will also draw in extended area */
     62     if(has_content) {
     63         if(dsc->bg_img_src) {
     64             draw_bg_img(ctx, coords, &t_area, dsc);
     65         }
     66         else {
     67             draw_bg_color(ctx, coords, &t_area, dsc);
     68         }
     69     }
     70 
     71 }
     72 
     73 /**********************
     74  *   STATIC FUNCTIONS
     75  **********************/
     76 
     77 static void draw_bg_color(lv_draw_sdl_ctx_t * ctx, const lv_area_t * coords, const lv_area_t * draw_area,
     78                           const lv_draw_rect_dsc_t * dsc)
     79 {
     80     SDL_Color bg_color;
     81     lv_color_to_sdl_color(&dsc->bg_color, &bg_color);
     82     SDL_SetRenderDrawBlendMode(ctx->renderer, SDL_BLENDMODE_NONE);
     83     SDL_SetRenderDrawColor(ctx->renderer, bg_color.r, bg_color.g, bg_color.b, dsc->bg_opa);
     84 
     85     SDL_Rect rect;
     86     lv_area_to_sdl_rect(draw_area, &rect);
     87     SDL_RenderFillRect(ctx->renderer, &rect);
     88 
     89     SDL_SetRenderDrawBlendMode(ctx->renderer, SDL_BLENDMODE_BLEND);
     90 }
     91 
     92 static void draw_bg_img(lv_draw_sdl_ctx_t * ctx, const lv_area_t * coords, const lv_area_t * draw_area,
     93                         const lv_draw_rect_dsc_t * dsc)
     94 {
     95     SDL_SetRenderDrawBlendMode(ctx->renderer, SDL_BLENDMODE_NONE);
     96     SDL_SetRenderDrawColor(ctx->renderer, 0, 0, 0, 0);
     97 
     98     SDL_Rect rect;
     99     lv_area_to_sdl_rect(draw_area, &rect);
    100     SDL_RenderFillRect(ctx->renderer, &rect);
    101 
    102     SDL_SetRenderDrawBlendMode(ctx->renderer, SDL_BLENDMODE_BLEND);
    103     lv_draw_rect((lv_draw_ctx_t *) ctx, dsc, coords);
    104 }
    105 
    106 #endif /*LV_USE_GPU_SDL*/