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/**
* @file lv_windows_display.h
*
*/
#ifndef LV_WINDOWS_DISPLAY_H
#define LV_WINDOWS_DISPLAY_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "../../display/lv_display.h"
#include "../../indev/lv_indev.h"
#if LV_USE_WINDOWS
#include <windows.h>
/*********************
* DEFINES
*********************/
#define LV_WINDOWS_ZOOM_BASE_LEVEL 100
#ifndef USER_DEFAULT_SCREEN_DPI
#define USER_DEFAULT_SCREEN_DPI 96
#endif
/**********************
* TYPEDEFS
**********************/
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* @brief Create a LVGL display object.
* @param title The window title of LVGL display.
* @param hor_res The horizontal resolution value of LVGL display.
* @param ver_res The vertical resolution value of LVGL display.
* @param zoom_level The zoom level value. Base value is 100 a.k.a 100%.
* @param allow_dpi_override Allow DPI override if true, or follow the
* Windows DPI scaling setting dynamically.
* @param simulator_mode Create simulator mode display if true, or create
* application mode display.
* @return The created LVGL display object.
*/
lv_display_t * lv_windows_create_display(
const wchar_t * title,
int32_t hor_res,
int32_t ver_res,
int32_t zoom_level,
bool allow_dpi_override,
bool simulator_mode);
/**
* @brief Get the window handle from specific LVGL display object.
* @param display The specific LVGL display object.
* @return The window handle from specific LVGL display object.
*/
HWND lv_windows_get_display_window_handle(lv_display_t * display);
/**
* @brief Get logical pixel value from physical pixel value taken account
* with zoom level.
* @param physical The physical pixel value taken account with zoom level.
* @param zoom_level The zoom level value. Base value is 100 a.k.a 100%.
* @return The logical pixel value.
* @remark It uses the same calculation style as Windows OS implementation.
* It will be useful for integrate LVGL Windows backend to other
* Windows applications.
*/
int32_t lv_windows_zoom_to_logical(int32_t physical, int32_t zoom_level);
/**
* @brief Get physical pixel value taken account with zoom level from
* logical pixel value.
* @param logical The logical pixel value.
* @param zoom_level The zoom level value. Base value is 100 a.k.a 100%.
* @return The physical pixel value taken account with zoom level.
* @remark It uses the same calculation style as Windows OS implementation.
* It will be useful for integrate LVGL Windows backend to other
* Windows applications.
*/
int32_t lv_windows_zoom_to_physical(int32_t logical, int32_t zoom_level);
/**
* @brief Get logical pixel value from physical pixel value taken account
* with DPI scaling.
* @param physical The physical pixel value taken account with DPI scaling.
* @param dpi The DPI scaling value. Base value is USER_DEFAULT_SCREEN_DPI.
* @return The logical pixel value.
* @remark It uses the same calculation style as Windows OS implementation.
* It will be useful for integrate LVGL Windows backend to other
* Windows applications.
*/
int32_t lv_windows_dpi_to_logical(int32_t physical, int32_t dpi);
/**
* @brief Get physical pixel value taken account with DPI scaling from
* logical pixel value.
* @param logical The logical pixel value.
* @param dpi The DPI scaling value. Base value is USER_DEFAULT_SCREEN_DPI.
* @return The physical pixel value taken account with DPI scaling.
* @remark It uses the same calculation style as Windows OS implementation.
* It will be useful for integrate LVGL Windows backend to other
* Windows applications.
*/
int32_t lv_windows_dpi_to_physical(int32_t logical, int32_t dpi);
/**********************
* MACROS
**********************/
#endif // LV_USE_WINDOWS
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*LV_WINDOWS_DISPLAY_H*/
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