107 lines
2.9 KiB
C
107 lines
2.9 KiB
C
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/**
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* @file lv_draw_sdl_bg.c
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*
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*/
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/*********************
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* INCLUDES
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*********************/
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#include "../../lv_conf_internal.h"
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#if LV_USE_GPU_SDL
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#include "../lv_draw_rect.h"
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#include "../lv_draw_img.h"
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#include "../lv_draw_label.h"
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#include "../lv_draw_mask.h"
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#include "../../core/lv_refr.h"
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#include "lv_draw_sdl_utils.h"
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#include "lv_draw_sdl_texture_cache.h"
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#include "lv_draw_sdl_composite.h"
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* STATIC PROTOTYPES
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**********************/
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static void draw_bg_color(lv_draw_sdl_ctx_t * ctx, const lv_area_t * coords, const lv_area_t * draw_area,
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const lv_draw_rect_dsc_t * dsc);
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static void draw_bg_img(lv_draw_sdl_ctx_t * ctx, const lv_area_t * coords, const lv_area_t * draw_area,
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const lv_draw_rect_dsc_t * dsc);
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/**********************
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* STATIC VARIABLES
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**********************/
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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void lv_draw_sdl_draw_bg(lv_draw_ctx_t * draw_ctx, const lv_draw_rect_dsc_t * dsc, const lv_area_t * coords)
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{
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const lv_area_t * clip = draw_ctx->clip_area;
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lv_draw_sdl_ctx_t * ctx = (lv_draw_sdl_ctx_t *) draw_ctx;
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/* Coords will be translated so coords will start at (0,0) */
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lv_area_t t_area;
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bool has_content = _lv_area_intersect(&t_area, coords, clip);
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/* Shadows and outlines will also draw in extended area */
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if(has_content) {
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if(dsc->bg_img_src) {
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draw_bg_img(ctx, coords, &t_area, dsc);
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}
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else {
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draw_bg_color(ctx, coords, &t_area, dsc);
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}
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}
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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static void draw_bg_color(lv_draw_sdl_ctx_t * ctx, const lv_area_t * coords, const lv_area_t * draw_area,
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const lv_draw_rect_dsc_t * dsc)
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{
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SDL_Color bg_color;
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lv_color_to_sdl_color(&dsc->bg_color, &bg_color);
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SDL_SetRenderDrawBlendMode(ctx->renderer, SDL_BLENDMODE_NONE);
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SDL_SetRenderDrawColor(ctx->renderer, bg_color.r, bg_color.g, bg_color.b, dsc->bg_opa);
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SDL_Rect rect;
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lv_area_to_sdl_rect(draw_area, &rect);
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SDL_RenderFillRect(ctx->renderer, &rect);
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SDL_SetRenderDrawBlendMode(ctx->renderer, SDL_BLENDMODE_BLEND);
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}
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static void draw_bg_img(lv_draw_sdl_ctx_t * ctx, const lv_area_t * coords, const lv_area_t * draw_area,
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const lv_draw_rect_dsc_t * dsc)
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{
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SDL_SetRenderDrawBlendMode(ctx->renderer, SDL_BLENDMODE_NONE);
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SDL_SetRenderDrawColor(ctx->renderer, 0, 0, 0, 0);
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SDL_Rect rect;
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lv_area_to_sdl_rect(draw_area, &rect);
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SDL_RenderFillRect(ctx->renderer, &rect);
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SDL_SetRenderDrawBlendMode(ctx->renderer, SDL_BLENDMODE_BLEND);
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lv_draw_rect((lv_draw_ctx_t *) ctx, dsc, coords);
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}
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#endif /*LV_USE_GPU_SDL*/
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