124 lines
3.0 KiB
C
124 lines
3.0 KiB
C
/**
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* @file sdl_gpu.h
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*
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*/
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#ifndef SDL_GPU_H
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#define SDL_GPU_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************
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* INCLUDES
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*********************/
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#ifndef LV_DRV_NO_CONF
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#ifdef LV_CONF_INCLUDE_SIMPLE
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#include "lv_drv_conf.h"
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#else
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#include "../../lv_drv_conf.h"
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#endif
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#endif
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#if USE_SDL_GPU
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#ifdef LV_LVGL_H_INCLUDE_SIMPLE
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#include "lvgl.h"
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#else
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#include "lvgl/lvgl.h"
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#endif
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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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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Initialize SDL to be used as display, mouse and mouse wheel drivers.
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*/
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void sdl_init(void);
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/**
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* IMPORTANT: Initialize draw buffer with one `SDL_Texture`.
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* Use this instead of `lv_disp_draw_buf_init` because `buf1` isn't a real
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* pixels buffer.
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*/
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void sdl_gpu_disp_draw_buf_init(lv_disp_draw_buf_t *draw_buf);
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/**
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* IMPORTANT: Initialize display driver with `SDL_Renderer` instance.
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* Use this instead of `lv_gpu_disp_drv_init` because `user_data` needs to
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* be pointing to the renderer.
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*/
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void sdl_gpu_disp_drv_init(lv_disp_drv_t *driver);
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/**
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* Flush a buffer to the marked area
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* @param disp_drv pointer to driver where this function belongs
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* @param area an area where to copy `color_p`
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* @param color_p an array of pixels to copy to the `area` part of the screen
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*/
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void sdl_display_flush(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_color_t * color_p);
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/**
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* Flush a buffer to the marked area
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* @param disp_drv pointer to driver where this function belongs
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* @param area an area where to copy `color_p`
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* @param color_p an array of pixels to copy to the `area` part of the screen
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*/
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void sdl_display_flush2(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_color_t * color_p);
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/**
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* Resize SDL display
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* @param disp pointer to lvgl display object
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* @param width new display width in pixels
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* @param height new display height in pixels
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*/
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void sdl_display_resize(lv_disp_t *disp, int width, int height);
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/**
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* Get the current position and state of the mouse
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* @param indev_drv pointer to the related input device driver
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* @param data store the mouse data here
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*/
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void sdl_mouse_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data);
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/**
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* Get encoder (i.e. mouse wheel) ticks difference and pressed state
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* @param indev_drv pointer to the related input device driver
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* @param data store the read data here
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*/
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void sdl_mousewheel_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data);
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/**
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* Get input from the keyboard.
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* @param indev_drv pointer to the related input device driver
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* @param data store the red data here
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*/
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void sdl_keyboard_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data);
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/*For backward compatibility. Will be removed.*/
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#define monitor_init sdl_init
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#define monitor_flush sdl_display_flush
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#define monitor_flush2 sdl_display_flush2
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/**********************
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* MACROS
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**********************/
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#endif /* USE_SDL_GPU */
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* SDL_GPU_H */
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