278 lines
8.0 KiB
C
278 lines
8.0 KiB
C
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#ifndef ELM_WIDGET_PHOTOCAM_H
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#define ELM_WIDGET_PHOTOCAM_H
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#include "elm_interface_scrollable.h"
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/**
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* @addtogroup Widget
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* @{
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*
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* @section elm-photocam-class The Elementary Photocam Class
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*
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* Elementary, besides having the @ref Photocam widget, exposes its
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* foundation -- the Elementary Photocam Class -- in order to create
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* other widgets which are a photocam with some more logic on top.
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*/
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/**
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* @def ELM_PHOTOCAM_CLASS
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*
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* Use this macro to cast whichever subclass of
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* #Elm_Photocam_Smart_Class into it, so to access its fields.
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*
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* @ingroup Widget
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*/
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#define ELM_PHOTOCAM_CLASS(x) ((Elm_Photocam_Smart_Class *) x)
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/**
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* @def ELM_PHOTOCAM_DATA
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*
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* Use this macro to cast whichever subdata of
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* #Elm_Photocam_Smart_Data into it, so to access its fields.
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*
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* @ingroup Widget
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*/
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#define ELM_PHOTOCAM_DATA(x) ((Elm_Photocam_Smart_Data *) x)
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/**
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* @def ELM_PHOTOCAM_SMART_CLASS_VERSION
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*
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* Current version for Elementary photocam @b base smart class, a value
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* which goes to _Elm_Photocam_Smart_Class::version.
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*
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* @ingroup Widget
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*/
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#define ELM_PHOTOCAM_SMART_CLASS_VERSION 1
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/**
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* @def ELM_PHOTOCAM_SMART_CLASS_INIT
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*
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* Initializer for a whole #Elm_Photocam_Smart_Class structure, with
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* @c NULL values on its specific fields.
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*
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* @param smart_class_init initializer to use for the "base" field
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* (#Evas_Smart_Class).
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*
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* @see EVAS_SMART_CLASS_INIT_NULL
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* @see EVAS_SMART_CLASS_INIT_NAME_VERSION
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* @see ELM_PHOTOCAM_SMART_CLASS_INIT_NULL
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* @see ELM_PHOTOCAM_SMART_CLASS_INIT_NAME_VERSION
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*
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* @ingroup Widget
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*/
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#define ELM_PHOTOCAM_SMART_CLASS_INIT(smart_class_init) \
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{smart_class_init, ELM_PHOTOCAM_SMART_CLASS_VERSION}
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/**
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* @def ELM_PHOTOCAM_SMART_CLASS_INIT_NULL
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*
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* Initializer to zero out a whole #Elm_Photocam_Smart_Class structure.
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*
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* @see ELM_PHOTOCAM_SMART_CLASS_INIT_NAME_VERSION
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* @see ELM_PHOTOCAM_SMART_CLASS_INIT
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*
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* @ingroup Widget
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*/
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#define ELM_PHOTOCAM_SMART_CLASS_INIT_NULL \
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ELM_PHOTOCAM_SMART_CLASS_INIT(EVAS_SMART_CLASS_INIT_NULL)
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/**
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* @def ELM_PHOTOCAM_SMART_CLASS_INIT_NAME_VERSION
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*
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* Initializer to zero out a whole #Elm_Photocam_Smart_Class structure and
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* set its name and version.
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*
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* This is similar to #ELM_PHOTOCAM_SMART_CLASS_INIT_NULL, but it will
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* also set the version field of #Elm_Photocam_Smart_Class (base field)
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* to the latest #ELM_PHOTOCAM_SMART_CLASS_VERSION and name it to the
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* specific value.
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*
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* It will keep a reference to the name field as a <c>"const char *"</c>,
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* i.e., the name must be available while the structure is
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* used (hint: static or global variable!) and must not be modified.
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*
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* @see ELM_PHOTOCAM_SMART_CLASS_INIT_NULL
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* @see ELM_PHOTOCAM_SMART_CLASS_INIT
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*
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* @ingroup Widget
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*/
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#define ELM_PHOTOCAM_SMART_CLASS_INIT_NAME_VERSION(name) \
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ELM_PHOTOCAM_SMART_CLASS_INIT(ELM_WIDGET_SMART_CLASS_INIT_NAME_VERSION(name))
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/**
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* Elementary photocam base smart class. This inherits directly from
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* #Elm_Widget_Smart_Class and is meant to build widgets extending the
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* behavior of a photocam.
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*
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* All of the functions listed on @ref Photocam namespace will work for
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* objects deriving from #Elm_Photocam_Smart_Class.
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*/
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typedef struct _Elm_Photocam_Smart_Class
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{
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Elm_Widget_Smart_Class base;
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int version; /**< Version of this smart class definition */
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} Elm_Photocam_Smart_Class;
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/**
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* Base widget smart data extended with photocam instance data.
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*/
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typedef struct _Elm_Photocam_Smart_Data Elm_Photocam_Smart_Data;
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typedef struct _Elm_Photocam_Pan_Smart_Data Elm_Photocam_Pan_Smart_Data;
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typedef struct _Elm_Phocam_Grid Elm_Phocam_Grid;
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typedef struct _Elm_Photocam_Grid_Item Elm_Photocam_Grid_Item;
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struct _Elm_Photocam_Grid_Item
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{
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Elm_Photocam_Smart_Data *sd;
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Evas_Object *img;
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struct
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{
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int x, y, w, h;
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} src, out;
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Eina_Bool want : 1;
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Eina_Bool have : 1;
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};
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struct _Elm_Phocam_Grid
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{
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int tsize; /* size of tile (tsize x tsize pixels) */
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int zoom; /* zoom level tiles want for optimal
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* display (1, 2, 4, 8) */
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int iw, ih; /* size of image in pixels */
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int w, h; /* size of grid image in pixels
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* (represented by grid) */
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int gw, gh; /* size of grid in tiles */
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Elm_Photocam_Grid_Item *grid; /* the grid (gw * gh items) */
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Eina_Bool dead : 1; /* old grid. will die as soon as anim is
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* over */
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};
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struct _Elm_Photocam_Smart_Data
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{
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Elm_Widget_Smart_Data base; /* base widget smart data as
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* first member obligatory, as
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* we're inheriting from it */
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Evas_Object *hit_rect;
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Evas_Object *g_layer;
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const Elm_Scrollable_Smart_Interface *s_iface;
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Evas_Object *pan_obj;
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Evas_Coord pan_x, pan_y, minw, minh;
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double g_layer_start;
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double zoom;
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Elm_Photocam_Zoom_Mode mode;
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Evas_Coord pvx, pvy, px, py, zoom_point_x,
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zoom_point_y;
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struct
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{
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int imx, imy;
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struct
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{
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int x_start, y_start;
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int x_end, y_end;
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double t_start;
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double t_end;
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Ecore_Animator *animator;
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} bounce;
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} g_layer_zoom;
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const char *file;
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Ecore_Job *calc_job;
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Ecore_Timer *scr_timer;
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Ecore_Timer *long_timer;
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Ecore_Animator *zoom_animator;
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double t_start, t_end;
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struct
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{
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int imw, imh;
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int w, h;
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int ow, oh, nw, nh;
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struct
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{
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double x, y;
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} spos;
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} size;
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struct
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{
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Eina_Bool show : 1;
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Evas_Coord x, y, w, h;
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} show;
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int tsize;
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Evas_Object *img; /* low res version of image (scale down == 8) */
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int no_smooth;
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int preload_num;
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Eina_List *grids;
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Eina_Bool main_load_pending : 1;
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Eina_Bool longpressed : 1;
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Eina_Bool do_gesture : 1;
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Eina_Bool do_region : 1;
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Eina_Bool zoom_g_layer : 1;
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Eina_Bool resized : 1;
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Eina_Bool on_hold : 1;
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Eina_Bool paused : 1;
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};
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typedef struct _Elm_Photocam_Pan_Smart_Class
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{
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Elm_Pan_Smart_Class base;
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} Elm_Photocam_Pan_Smart_Class;
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struct _Elm_Photocam_Pan_Smart_Data
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{
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Elm_Pan_Smart_Data base;
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Elm_Photocam_Smart_Data *wsd;
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};
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/**
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* @}
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*/
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EAPI extern const char ELM_PHOTOCAM_SMART_NAME[];
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EAPI extern const char ELM_PHOTOCAM_PAN_SMART_NAME[];
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EAPI const Elm_Photocam_Smart_Class *elm_photocam_smart_class_get(void);
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#define ELM_PHOTOCAM_DATA_GET(o, sd) \
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Elm_Photocam_Smart_Data * sd = evas_object_smart_data_get(o)
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#define ELM_PHOTOCAM_PAN_DATA_GET(o, sd) \
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Elm_Photocam_Pan_Smart_Data * sd = evas_object_smart_data_get(o)
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#define ELM_PHOTOCAM_DATA_GET_OR_RETURN(o, ptr) \
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ELM_PHOTOCAM_DATA_GET(o, ptr); \
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if (!ptr) \
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{ \
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CRITICAL("No widget data for object %p (%s)", \
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o, evas_object_type_get(o)); \
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return; \
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}
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#define ELM_PHOTOCAM_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
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ELM_PHOTOCAM_DATA_GET(o, ptr); \
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if (!ptr) \
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{ \
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CRITICAL("No widget data for object %p (%s)", \
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o, evas_object_type_get(o)); \
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return val; \
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}
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#define ELM_PHOTOCAM_CHECK(obj) \
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if (!obj || !elm_widget_type_check \
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((obj), ELM_PHOTOCAM_SMART_NAME, __func__)) \
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return
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#endif
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