99 lines
3.2 KiB
C
99 lines
3.2 KiB
C
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/**
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* @file lv_draw_sdl.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_sdl.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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/*********************
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* DEFINES
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*********************/
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void lv_draw_sdl_draw_rect(lv_draw_ctx_t * draw_ctx, const lv_draw_rect_dsc_t * dsc, const lv_area_t * coords);
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lv_res_t lv_draw_sdl_img_core(lv_draw_ctx_t * draw_ctx, const lv_draw_img_dsc_t * draw_dsc,
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const lv_area_t * coords, const void * src);
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void lv_draw_sdl_draw_letter(lv_draw_ctx_t * draw_ctx, const lv_draw_label_dsc_t * dsc, const lv_point_t * pos_p,
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uint32_t letter);
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void lv_draw_sdl_draw_line(lv_draw_ctx_t * draw_ctx, const lv_draw_line_dsc_t * dsc, const lv_point_t * point1,
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const lv_point_t * point2);
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void lv_draw_sdl_draw_arc(lv_draw_ctx_t * draw_ctx, const lv_draw_arc_dsc_t * dsc, const lv_point_t * center,
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uint16_t radius, uint16_t start_angle, uint16_t end_angle);
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void lv_draw_sdl_polygon(lv_draw_ctx_t * draw_ctx, const lv_draw_rect_dsc_t * draw_dsc, const lv_point_t * points,
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uint16_t point_cnt);
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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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* TYPEDEFS
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**********************/
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/**********************
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* STATIC PROTOTYPES
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**********************/
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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_init_ctx(lv_disp_drv_t * disp_drv, lv_draw_ctx_t * draw_ctx)
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{
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_lv_draw_sdl_utils_init();
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lv_memset_00(draw_ctx, sizeof(lv_draw_sdl_ctx_t));
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draw_ctx->draw_rect = lv_draw_sdl_draw_rect;
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draw_ctx->draw_img = lv_draw_sdl_img_core;
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draw_ctx->draw_letter = lv_draw_sdl_draw_letter;
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draw_ctx->draw_line = lv_draw_sdl_draw_line;
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draw_ctx->draw_arc = lv_draw_sdl_draw_arc;
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draw_ctx->draw_polygon = lv_draw_sdl_polygon;
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draw_ctx->draw_bg = lv_draw_sdl_draw_bg;
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lv_draw_sdl_ctx_t * draw_ctx_sdl = (lv_draw_sdl_ctx_t *) draw_ctx;
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draw_ctx_sdl->renderer = ((lv_draw_sdl_drv_param_t *) disp_drv->user_data)->renderer;
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draw_ctx_sdl->internals = lv_mem_alloc(sizeof(lv_draw_sdl_context_internals_t));
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lv_memset_00(draw_ctx_sdl->internals, sizeof(lv_draw_sdl_context_internals_t));
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lv_draw_sdl_texture_cache_init(draw_ctx_sdl);
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}
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void lv_draw_sdl_deinit_ctx(lv_disp_drv_t * disp_drv, lv_draw_ctx_t * draw_ctx)
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{
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lv_draw_sdl_ctx_t * draw_ctx_sdl = (lv_draw_sdl_ctx_t *) draw_ctx;
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lv_draw_sdl_texture_cache_deinit(draw_ctx_sdl);
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lv_mem_free(draw_ctx_sdl->internals);
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_lv_draw_sdl_utils_deinit();
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}
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SDL_Texture * lv_draw_sdl_create_screen_texture(SDL_Renderer * renderer, lv_coord_t hor, lv_coord_t ver)
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{
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SDL_Texture * texture = SDL_CreateTexture(renderer, LV_DRAW_SDL_TEXTURE_FORMAT, SDL_TEXTUREACCESS_TARGET, hor, ver);
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SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
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return texture;
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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#endif /*LV_USE_GPU_SDL*/
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