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// $hash=4617637c16b4530c6a0cceb649929fc1eb0525ff$
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#ifndef CEF_INCLUDE_CAPI_VIEWS_CEF_DISPLAY_CAPI_H_
#define CEF_INCLUDE_CAPI_VIEWS_CEF_DISPLAY_CAPI_H_
#pragma once

#if defined(BUILDING_CEF_SHARED)
#error This file cannot be included DLL-side
#endif

#include "include/capi/cef_base_capi.h"

#ifdef __cplusplus
extern "C" {
#endif

///
/// This structure typically, but not always, corresponds to a physical display
/// connected to the system. A fake Display may exist on a headless system, or a
/// Display may correspond to a remote, virtual display. All size and position
/// values are in density independent pixel (DIP) coordinates unless otherwise
/// indicated. Methods must be called on the browser process UI thread unless
/// otherwise indicated.
///
/// For details on coordinate systems and usage see
/// https://bitbucket.org/chromiumembedded/cef/wiki/GeneralUsage#markdown-
/// header-coordinate-systems
///
/// NOTE: This struct is allocated DLL-side.
///
typedef struct _cef_display_t {
  ///
  /// Base structure.
  ///
  cef_base_ref_counted_t base;

  ///
  /// Returns the unique identifier for this Display.
  ///
  int64_t(CEF_CALLBACK* get_id)(struct _cef_display_t* self);

  ///
  /// Returns this Display's device pixel scale factor. This specifies how much
  /// the UI should be scaled when the actual output has more pixels than
  /// standard displays (which is around 100~120dpi). The potential return
  /// values differ by platform. Windowed browsers with 1.0 zoom will have a
  /// JavaScript `window.devicePixelRatio` value matching the associated
  /// Display's get_device_scale_factor() value.
  ///
  float(CEF_CALLBACK* get_device_scale_factor)(struct _cef_display_t* self);

  ///
  /// Convert |point| from DIP coordinates to pixel coordinates using this
  /// Display's device scale factor.
  ///
  void(CEF_CALLBACK* convert_point_to_pixels)(struct _cef_display_t* self,
                                              cef_point_t* point);

  ///
  /// Convert |point| from pixel coordinates to DIP coordinates using this
  /// Display's device scale factor.
  ///
  void(CEF_CALLBACK* convert_point_from_pixels)(struct _cef_display_t* self,
                                                cef_point_t* point);

  ///
  /// Returns this Display's bounds in DIP screen coordinates. This is the full
  /// size of the display.
  ///
  cef_rect_t(CEF_CALLBACK* get_bounds)(struct _cef_display_t* self);

  ///
  /// Returns this Display's work area in DIP screen coordinates. This excludes
  /// areas of the display that are occupied with window manager toolbars, etc.
  ///
  cef_rect_t(CEF_CALLBACK* get_work_area)(struct _cef_display_t* self);

  ///
  /// Returns this Display's rotation in degrees.
  ///
  int(CEF_CALLBACK* get_rotation)(struct _cef_display_t* self);
} cef_display_t;

///
/// Returns the primary Display.
///
CEF_EXPORT cef_display_t* cef_display_get_primary(void);

///
/// Returns the Display nearest |point|. Set |input_pixel_coords| to true (1) if
/// |point| is in pixel screen coordinates instead of DIP screen coordinates.
///
CEF_EXPORT cef_display_t* cef_display_get_nearest_point(
    const cef_point_t* point,
    int input_pixel_coords);

///
/// Returns the Display that most closely intersects |bounds|.  Set
/// |input_pixel_coords| to true (1) if |bounds| is in pixel screen coordinates
/// instead of DIP screen coordinates.
///
CEF_EXPORT cef_display_t* cef_display_get_matching_bounds(
    const cef_rect_t* bounds,
    int input_pixel_coords);

///
/// Returns the total number of Displays. Mirrored displays are excluded; this
/// function is intended to return the number of distinct, usable displays.
///
CEF_EXPORT size_t cef_display_get_count(void);

///
/// Returns all Displays. Mirrored displays are excluded; this function is
/// intended to return distinct, usable displays.
///
CEF_EXPORT void cef_display_get_alls(size_t* displaysCount,
                                     cef_display_t** displays);

///
/// Convert |point| from DIP screen coordinates to pixel screen coordinates.
/// This function is only used on Windows.
///
CEF_EXPORT cef_point_t
cef_display_convert_screen_point_to_pixels(const cef_point_t* point);

///
/// Convert |point| from pixel screen coordinates to DIP screen coordinates.
/// This function is only used on Windows.
///
CEF_EXPORT cef_point_t
cef_display_convert_screen_point_from_pixels(const cef_point_t* point);

///
/// Convert |rect| from DIP screen coordinates to pixel screen coordinates. This
/// function is only used on Windows.
///
CEF_EXPORT cef_rect_t
cef_display_convert_screen_rect_to_pixels(const cef_rect_t* rect);

///
/// Convert |rect| from pixel screen coordinates to DIP screen coordinates. This
/// function is only used on Windows.
///
CEF_EXPORT cef_rect_t
cef_display_convert_screen_rect_from_pixels(const cef_rect_t* rect);

#ifdef __cplusplus
}
#endif

#endif  // CEF_INCLUDE_CAPI_VIEWS_CEF_DISPLAY_CAPI_H_
