efl/legacy/evas/src/lib/canvas/evas_object_text.c

#include "evas_common.h"
#include "evas_private.h"

/* private magic number for text objects */
static const char o_type[] = "text";

/* private struct for text object internal data */
typedef struct _Evas_Object_Text      Evas_Object_Text;

struct _Evas_Object_Text
{
   DATA32            magic;

   struct {
      char          *text;
      char          *font;
      char          *source;
      Evas_Font_Size size;
   } cur, prev;
   char              changed : 1;

   float             ascent, descent;
   float             max_ascent, max_descent;

   void             *engine_data;
};

/* private methods for text objects */
static void evas_object_text_init(Evas_Object *obj);
static void *evas_object_text_new(void);
static void evas_object_text_render(Evas_Object *obj, void *output, void *context, void *surface, int x, int y);
static void evas_object_text_free(Evas_Object *obj);
static void evas_object_text_render_pre(Evas_Object *obj);
static void evas_object_text_render_post(Evas_Object *obj);

static int evas_object_text_is_opaque(Evas_Object *obj);
static int evas_object_text_was_opaque(Evas_Object *obj);

static Evas_Object_Func object_func =
{
   /* methods (compulsory) */
   evas_object_text_free,
     evas_object_text_render,
     evas_object_text_render_pre,
     evas_object_text_render_post,
   /* these are optional. NULL = nothing */
     NULL,
     NULL,
     NULL,
     NULL,
     evas_object_text_is_opaque,
     evas_object_text_was_opaque,
     NULL,
     NULL,
     NULL
};

/* the actual api call to add a rect */
/* it has no other api calls as all properties are standard */

/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
Evas_Object *
evas_object_text_add(Evas *e)
{
   Evas_Object *obj;

   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
   return NULL;
   MAGIC_CHECK_END();
   obj = evas_object_new();
   evas_object_text_init(obj);
   evas_object_inject(obj, e);
   return obj;
}

/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
void
evas_object_text_font_source_set(Evas_Object *obj, const char *font_source)
{
   Evas_Object_Text *o;

   MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
   return;
   MAGIC_CHECK_END();
   o = (Evas_Object_Text *)(obj->object_data);
   MAGIC_CHECK(o, Evas_Object_Text, MAGIC_OBJ_TEXT);
   return;
   MAGIC_CHECK_END();
   if ((o->cur.source) && (font_source) &&
       (!strcmp(o->cur.source, font_source)))
     return;
   if (o->cur.source) free(o->cur.source);
   if (font_source) o->cur.source = strdup(font_source);
   else o->cur.source = NULL;
}

/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
const char *
evas_object_text_font_source_get(Evas_Object *obj)
{
   Evas_Object_Text *o;

   MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
   return NULL;
   MAGIC_CHECK_END();
   o = (Evas_Object_Text *)(obj->object_data);
   MAGIC_CHECK(o, Evas_Object_Text, MAGIC_OBJ_TEXT);
   return NULL;
   MAGIC_CHECK_END();
   return o->cur.source;
}

/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
void
evas_object_text_font_set(Evas_Object *obj, const char *font, Evas_Font_Size size)
{
   Evas_Object_Text *o;
   int is, was = 0, pass = 0;
   int same_font = 0;

   if (!font) return;
   if (size <= 0) return;
   MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
   return;
   MAGIC_CHECK_END();
   o = (Evas_Object_Text *)(obj->object_data);
   MAGIC_CHECK(o, Evas_Object_Text, MAGIC_OBJ_TEXT);
   return;
   MAGIC_CHECK_END();
   if ((o->cur.font) && (font) && (!strcmp(o->cur.font, font)))
     {
	same_font = 1;
	if (size == o->cur.size) return;
     }
   if (obj->layer->evas->events_frozen <= 0)
     {
	pass = evas_event_passes_through(obj);
	if (!pass)
	  was = evas_object_is_in_output_rect(obj,
					      obj->layer->evas->pointer.x,
					      obj->layer->evas->pointer.y, 1, 1);
     }
   /* DO IT */
   if (o->engine_data)
     {
	evas_font_free(obj->layer->evas, o->engine_data);
	o->engine_data = NULL;
     }
   o->engine_data = evas_font_load(obj->layer->evas, font, o->cur.source, size);
   if (!same_font)
     {
	if (o->cur.font) free(o->cur.font);
	if (font) o->cur.font = strdup(font);
	else o->cur.font = NULL;
	o->prev.font = NULL;
     }
   o->cur.size = size;
   if ((o->engine_data) && (o->cur.text))
     {
	int w, h;

	obj->layer->evas->engine.func->font_string_size_get(obj->layer->evas->engine.data.output,
							    o->engine_data,
							    o->cur.text,
							    &w, &h);
	o->ascent = obj->layer->evas->engine.func->font_ascent_get(obj->layer->evas->engine.data.output,
								   o->engine_data);
	o->descent = obj->layer->evas->engine.func->font_descent_get(obj->layer->evas->engine.data.output,
								     o->engine_data);
	o->max_ascent = obj->layer->evas->engine.func->font_max_ascent_get(obj->layer->evas->engine.data.output,
									   o->engine_data);
	o->max_descent = obj->layer->evas->engine.func->font_max_descent_get(obj->layer->evas->engine.data.output,
									     o->engine_data);
	obj->cur.geometry.w = w;
	obj->cur.geometry.h = o->max_ascent + o->max_descent;
        obj->cur.cache.geometry.validity = 0;
     }
   else
     {
	if (o->engine_data)
	  {
	     o->ascent = obj->layer->evas->engine.func->font_ascent_get(obj->layer->evas->engine.data.output,
									o->engine_data);
	     o->descent = obj->layer->evas->engine.func->font_descent_get(obj->layer->evas->engine.data.output,
									  o->engine_data);
	     o->max_ascent = obj->layer->evas->engine.func->font_max_ascent_get(obj->layer->evas->engine.data.output,
										o->engine_data);
	     o->max_descent = obj->layer->evas->engine.func->font_max_descent_get(obj->layer->evas->engine.data.output,
										  o->engine_data);
	  }
	else
	  {
	     o->ascent = 0;
	     o->descent = 0;
	     o->max_ascent = 0;
	     o->max_descent = 0;
	  }
	obj->cur.geometry.w = 0;
	obj->cur.geometry.h = o->max_ascent + o->max_descent;
	obj->cur.cache.geometry.validity = 0;
     }
   o->changed = 1;
   evas_object_change(obj);
   evas_object_coords_recalc(obj);
   if (obj->layer->evas->events_frozen <= 0)
     {
	if (!pass)
	  {
	     is = evas_object_is_in_output_rect(obj,
						obj->layer->evas->pointer.x,
						obj->layer->evas->pointer.y, 1, 1);
	     if ((is ^ was) && obj->cur.visible)
	       evas_event_feed_mouse_move(obj->layer->evas,
					  obj->layer->evas->pointer.x,
					  obj->layer->evas->pointer.y,
					  obj->layer->evas->last_timestamp,
					  NULL);
	  }
     }
   evas_object_inform_call_resize(obj);
}

/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
void
evas_object_text_font_get(Evas_Object *obj, char **font, Evas_Font_Size *size)
{
   Evas_Object_Text *o;

   MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
   if (font) *font = "";
   if (size) *size = 0;
   return;
   MAGIC_CHECK_END();
   o = (Evas_Object_Text *)(obj->object_data);
   MAGIC_CHECK(o, Evas_Object_Text, MAGIC_OBJ_TEXT);
   if (font) *font = "";
   if (size) *size = 0;
   return;
   MAGIC_CHECK_END();
   if (font) *font = o->cur.font;
   if (size) *size = o->cur.size;
}

/**
 * Sets the text to be displayed by the given evas text object.
 * @param obj  Evas text object.
 * @param text Text to display.
 */
void
evas_object_text_text_set(Evas_Object *obj, const char *text)
{
   Evas_Object_Text *o;
   int is, was;

   if (!text) text = "";
   MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
   return;
   MAGIC_CHECK_END();
   o = (Evas_Object_Text *)(obj->object_data);
   MAGIC_CHECK(o, Evas_Object_Text, MAGIC_OBJ_TEXT);
   return;
   MAGIC_CHECK_END();
   if ((o->cur.text) && (text) && (!strcmp(o->cur.text, text))) return;
   was = evas_object_is_in_output_rect(obj,
				       obj->layer->evas->pointer.x,
				       obj->layer->evas->pointer.y, 1, 1);
   /* DO II */
   if (o->cur.text) free(o->cur.text);
   if (text) o->cur.text = strdup(text);
   else o->cur.text = NULL;
   o->prev.text = NULL;
   if ((o->engine_data) && (o->cur.text))
     {
	int w, h;

	obj->layer->evas->engine.func->font_string_size_get(obj->layer->evas->engine.data.output,
							    o->engine_data,
							    o->cur.text,
							    &w, &h);
	obj->cur.geometry.w = w;
        obj->cur.geometry.h = h;
        obj->cur.cache.geometry.validity = 0;
     }
   else
     {
	obj->cur.geometry.w = 0;
        obj->cur.geometry.h = o->max_ascent + o->max_descent;
        obj->cur.cache.geometry.validity = 0;
     }
   o->changed = 1;
   evas_object_change(obj);
   evas_object_coords_recalc(obj);
   is = evas_object_is_in_output_rect(obj,
				      obj->layer->evas->pointer.x,
				      obj->layer->evas->pointer.y, 1, 1);
   if ((is || was) && obj->cur.visible)
     evas_event_feed_mouse_move(obj->layer->evas,
				obj->layer->evas->pointer.x,
				obj->layer->evas->pointer.y,
				obj->layer->evas->last_timestamp,
				NULL);
   evas_object_inform_call_resize(obj);
}

/**
 * Retrieves the text currently being displayed by the given evas text object.
 * @param  obj The given evas text object.
 * @return The text currently being displayed.  Do not free it.
 */
const char *
evas_object_text_text_get(Evas_Object *obj)
{
   Evas_Object_Text *o;

   MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
   return NULL;
   MAGIC_CHECK_END();
   o = (Evas_Object_Text *)(obj->object_data);
   MAGIC_CHECK(o, Evas_Object_Text, MAGIC_OBJ_TEXT);
   return NULL;
   MAGIC_CHECK_END();
   return o->cur.text;
}

/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
Evas_Coord
evas_object_text_ascent_get(Evas_Object *obj)
{
   Evas_Object_Text *o;

   MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
   return 0;
   MAGIC_CHECK_END();
   o = (Evas_Object_Text *)(obj->object_data);
   MAGIC_CHECK(o, Evas_Object_Text, MAGIC_OBJ_TEXT);
   return 0;
   MAGIC_CHECK_END();
   return o->ascent;
}

/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
Evas_Coord
evas_object_text_descent_get(Evas_Object *obj)
{
   Evas_Object_Text *o;

   MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
   return 0;
   MAGIC_CHECK_END();
   o = (Evas_Object_Text *)(obj->object_data);
   MAGIC_CHECK(o, Evas_Object_Text, MAGIC_OBJ_TEXT);
   return 0;
   MAGIC_CHECK_END();
   return o->descent;
}

/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
Evas_Coord
evas_object_text_max_ascent_get(Evas_Object *obj)
{
   Evas_Object_Text *o;

   MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
   return 0;
   MAGIC_CHECK_END();
   o = (Evas_Object_Text *)(obj->object_data);
   MAGIC_CHECK(o, Evas_Object_Text, MAGIC_OBJ_TEXT);
   return 0;
   MAGIC_CHECK_END();
   return o->max_ascent;
}

/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
Evas_Coord
evas_object_text_max_descent_get(Evas_Object *obj)
{
   Evas_Object_Text *o;

   MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
   return 0;
   MAGIC_CHECK_END();
   o = (Evas_Object_Text *)(obj->object_data);
   MAGIC_CHECK(o, Evas_Object_Text, MAGIC_OBJ_TEXT);
   return 0;
   MAGIC_CHECK_END();
   return o->max_descent;
}

/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
Evas_Coord
evas_object_text_inset_get(Evas_Object *obj)
{
   Evas_Object_Text *o;

   MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
   return 0;
   MAGIC_CHECK_END();
   o = (Evas_Object_Text *)(obj->object_data);
   MAGIC_CHECK(o, Evas_Object_Text, MAGIC_OBJ_TEXT);
   return 0;
   MAGIC_CHECK_END();
   if (!o->engine_data) return 0;
   if (!o->cur.text) return 0;
   return obj->layer->evas->engine.func->font_inset_get(obj->layer->evas->engine.data.output,
							o->engine_data,
							o->cur.text);
}

/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
Evas_Coord
evas_object_text_horiz_advance_get(Evas_Object *obj)
{
   Evas_Object_Text *o;

   MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
   return 0;
   MAGIC_CHECK_END();
   o = (Evas_Object_Text *)(obj->object_data);
   MAGIC_CHECK(o, Evas_Object_Text, MAGIC_OBJ_TEXT);
   return 0;
   MAGIC_CHECK_END();
   if (!o->engine_data) return 0;
   if (!o->cur.text) return 0;
   return obj->layer->evas->engine.func->font_h_advance_get(obj->layer->evas->engine.data.output,
							    o->engine_data,
							    o->cur.text);
}

/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
Evas_Coord
evas_object_text_vert_advance_get(Evas_Object *obj)
{
   Evas_Object_Text *o;

   MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
   return 0;
   MAGIC_CHECK_END();
   o = (Evas_Object_Text *)(obj->object_data);
   MAGIC_CHECK(o, Evas_Object_Text, MAGIC_OBJ_TEXT);
   return 0;
   MAGIC_CHECK_END();
   if (!o->engine_data) return 0;
   if (!o->cur.text) return o->ascent + o->descent;
   return obj->layer->evas->engine.func->font_v_advance_get(obj->layer->evas->engine.data.output,
							    o->engine_data,
							    o->cur.text);
}

/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
int
evas_object_text_char_pos_get(Evas_Object *obj, int pos, Evas_Coord *cx, Evas_Coord *cy, Evas_Coord *cw, Evas_Coord *ch)
{
   Evas_Object_Text *o;
   int ret, x = 0, y = 0, w = 0, h = 0;
   int inset;

   MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
   return 0;
   MAGIC_CHECK_END();
   o = (Evas_Object_Text *)(obj->object_data);
   MAGIC_CHECK(o, Evas_Object_Text, MAGIC_OBJ_TEXT);
   return 0;
   MAGIC_CHECK_END();
   if (!o->engine_data) return 0;
   if (!o->cur.text) return 0;
   inset =
     obj->layer->evas->engine.func->font_inset_get(obj->layer->evas->engine.data.output,
						   o->engine_data,
						   o->cur.text);
   ret = obj->layer->evas->engine.func->font_char_coords_get(obj->layer->evas->engine.data.output,
							     o->engine_data,
							     o->cur.text,
							     pos,
							     &x, &y,
							     &w, &h);
   y += o->max_ascent;
   x -= inset;
   if (x < 0)
     {
	w += x;
	x = 0;
     }
   if (x + w > obj->cur.geometry.w) w = obj->cur.geometry.w - x;
   if (w < 0) w = 0;
   if (y < 0)
     {
	h += y;
	y = 0;
     }
   if (y + h > obj->cur.geometry.h) h = obj->cur.geometry.h - y;
   if (h < 0) h = 0;
   if (cx) *cx = x;
   if (cy) *cy = y;
   if (cw) *cw = w;
   if (ch) *ch = h;
   return ret;
}

/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
int
evas_object_text_char_coords_get(Evas_Object *obj, Evas_Coord x, Evas_Coord y, Evas_Coord *cx, Evas_Coord *cy, Evas_Coord *cw, Evas_Coord *ch)
{
   Evas_Object_Text *o;
   int ret, rx = 0, ry = 0, rw = 0, rh = 0;
   int inset;

   MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
   return -1;
   MAGIC_CHECK_END();
   o = (Evas_Object_Text *)(obj->object_data);
   MAGIC_CHECK(o, Evas_Object_Text, MAGIC_OBJ_TEXT);
   return -1;
   MAGIC_CHECK_END();
   if (!o->engine_data) return -1;
   if (!o->cur.text) return -1;
   inset =
     obj->layer->evas->engine.func->font_inset_get(obj->layer->evas->engine.data.output,
						   o->engine_data,
						   o->cur.text);
   ret = obj->layer->evas->engine.func->font_char_at_coords_get(obj->layer->evas->engine.data.output,
								o->engine_data,
								o->cur.text,
								x + inset,
								y - o->max_ascent,
								&rx, &ry,
								&rw, &rh);
   ry += o->max_ascent;
   rx -= inset;
   if (rx < 0)
     {
	rw += rx;
	rx = 0;
     }
   if (rx + rw > obj->cur.geometry.w) rw = obj->cur.geometry.w - rx;
   if (rw < 0) rw = 0;
   if (ry < 0)
     {
	rh += ry;
	ry = 0;
     }
   if (ry + rh > obj->cur.geometry.h) rh = obj->cur.geometry.h - ry;
   if (rh < 0) rh = 0;
   if (cx) *cx = rx;
   if (cy) *cy = ry;
   if (cw) *cw = rw;
   if (ch) *ch = rh;
   return ret;
}


/**
 * @defgroup Evas_Font_Path_Group Font Path Functions
 *
 * Functions that edit the paths being used to load fonts.
 */

/**
 * Removes all font paths loaded into memory for the given evas.
 * @param   e The given evas.
 * @ingroup Evas_Font_Path_Group
 */
void
evas_font_path_clear(Evas *e)
{
   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
   return;
   MAGIC_CHECK_END();
   while (e->font_path)
     {
	free(e->font_path->data);
	e->font_path = evas_list_remove(e->font_path, e->font_path->data);
     }
}

/**
 * Appends a font path to the list of font paths used by the given evas.
 * @param   e    The given evas.
 * @param   path The new font path.
 * @ingroup Evas_Font_Path_Group
 */
void
evas_font_path_append(Evas *e, const char *path)
{
   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
   return;
   MAGIC_CHECK_END();
   if (!path) return;
   e->font_path = evas_list_append(e->font_path, strdup(path));
}

/**
 * Prepends a font path to the list of font paths used by the given evas.
 * @param   e The given evas.
 * @param   path The new font path.
 * @ingroup Evas_Font_Path_Group
 */
void
evas_font_path_prepend(Evas *e, const char *path)
{
   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
   return;
   MAGIC_CHECK_END();
   if (!path) return;
   e->font_path = evas_list_prepend(e->font_path, strdup(path));
}

/**
 * Retrieves the list of font paths used by the given evas.
 * @param   e The given evas.
 * @return  The list of font paths used.
 * @ingroup Evas_Font_Path_Group
 */
const Evas_List *
evas_font_path_list(Evas *e)
{
   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
   return NULL;
   MAGIC_CHECK_END();
   return e->font_path;
}





/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
void
evas_font_cache_flush(Evas *e)
{
   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
   return;
   MAGIC_CHECK_END();

   e->engine.func->font_cache_flush(e->engine.data.output);
}

/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
void
evas_font_cache_set(Evas *e, int size)
{
   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
   return;
   MAGIC_CHECK_END();

   if (size < 0) size = 0;
   e->engine.func->font_cache_set(e->engine.data.output, size);
}

/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
int
evas_font_cache_get(Evas *e)
{
   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
   return 0;
   MAGIC_CHECK_END();

   return e->engine.func->font_cache_get(e->engine.data.output);
}

/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
int
evas_string_char_next_get(const char *str, int pos, int *decoded)
{
   int p, d;

   if (decoded) *decoded = 0;
   if (!str) return 0;
   if (pos < 0) return 0;
   p = pos;
   d = evas_common_font_utf8_get_next((unsigned char *)str, &p);
   if (decoded) *decoded = d;
   return p;
}

/**
 * To be documented.
 *
 * FIXME: To be fixed.
 *
 */
int
evas_string_char_prev_get(const char *str, int pos, int *decoded)
{
   int p, d;

   if (decoded) *decoded = 0;
   if (!str) return 0;
   if (pos < 1) return 0;
   p = pos;
   d = evas_common_font_utf8_get_prev((unsigned char *)str, &p);
   if (decoded) *decoded = d;
   return p;
}



/* all nice and private */
static void
evas_object_text_init(Evas_Object *obj)
{
   /* alloc text ob, setup methods and default values */
   obj->object_data = evas_object_text_new();
   /* set up default settings for this kind of object */
   obj->cur.color.r = 255;
   obj->cur.color.g = 255;
   obj->cur.color.b = 255;
   obj->cur.color.a = 255;
   obj->cur.geometry.x = 0.0;
   obj->cur.geometry.y = 0.0;
   obj->cur.geometry.w = 0.0;
   obj->cur.geometry.h = 0.0;
   obj->cur.layer = 0;
   /* set up object-specific settings */
   obj->prev = obj->cur;
   /* set up methods (compulsory) */
   obj->func = &object_func;
   obj->type = o_type;
}

static void *
evas_object_text_new(void)
{
   Evas_Object_Text *o;

   /* alloc obj private data */
   o = calloc(1, sizeof(Evas_Object_Text));
   o->magic = MAGIC_OBJ_TEXT;
   o->prev = o->cur;
   return o;
}

static void
evas_object_text_free(Evas_Object *obj)
{
   Evas_Object_Text *o;

   /* frees private object data. very simple here */
   o = (Evas_Object_Text *)(obj->object_data);
   MAGIC_CHECK(o, Evas_Object_Text, MAGIC_OBJ_TEXT);
   return;
   MAGIC_CHECK_END();
   /* free obj */
   if (o->cur.text) free(o->cur.text);
   if (o->cur.font) free(o->cur.font);
   if (o->cur.source) free(o->cur.source);
   if (o->engine_data) evas_font_free(obj->layer->evas, o->engine_data);
   o->magic = 0;
   free(o);
}

static void
evas_object_text_render(Evas_Object *obj, void *output, void *context, void *surface, int x, int y)
{
   Evas_Object_Text *o;

   /* render object to surface with context, and offxet by x,y */
   o = (Evas_Object_Text *)(obj->object_data);
   obj->layer->evas->engine.func->context_multiplier_unset(output,
							   context);
/*
   obj->layer->evas->engine.func->context_color_set(output,
						    context,
						    230, 160, 30, 100);
   obj->layer->evas->engine.func->rectangle_draw(output,
						 context,
						 surface,
						 obj->cur.cache.geometry.x + x,
						 obj->cur.cache.geometry.y + y,
						 obj->cur.cache.geometry.w,
						 obj->cur.cache.geometry.h);
 */
   obj->layer->evas->engine.func->context_color_set(output,
						    context,
						    obj->cur.cache.clip.r,
						    obj->cur.cache.clip.g,
						    obj->cur.cache.clip.b,
						    obj->cur.cache.clip.a);
   if ((o->engine_data) && (o->cur.text))
     obj->layer->evas->engine.func->font_draw(output,
					      context,
					      surface,
					      o->engine_data,
					      obj->cur.cache.geometry.x + x -
					      obj->layer->evas->engine.func->font_inset_get(obj->layer->evas->engine.data.output,
											    o->engine_data,
											    o->cur.text),
					      obj->cur.cache.geometry.y + y +
					      (int)
					      (((o->max_ascent * obj->cur.cache.geometry.h) / obj->cur.geometry.h) - 0.5),
					      obj->cur.cache.geometry.w,
					      obj->cur.cache.geometry.h,
					      obj->cur.geometry.w,
					      obj->cur.geometry.h,
					      o->cur.text);
}

static void
evas_object_text_render_pre(Evas_Object *obj)
{
   Evas_List *updates = NULL;
   Evas_Object_Text *o;
   int is_v, was_v;

   /* dont pre-render the obj twice! */
   if (obj->pre_render_done) return;
   obj->pre_render_done = 1;
   /* pre-render phase. this does anything an object needs to do just before */
   /* rendering. this could mean loading the image data, retrieving it from */
   /* elsewhere, decoding video etc. */
   /* then when this is done the object needs to figure if it changed and */
   /* if so what and where and add thr appropriate redraw rectangles */
   o = (Evas_Object_Text *)(obj->object_data);
   /* if someone is clipping this obj - go calculate the clipper */
   if (obj->cur.clipper)
     {
	if (obj->cur.cache.clip.dirty)
	  evas_object_clip_recalc(obj->cur.clipper);
	obj->cur.clipper->func->render_pre(obj->cur.clipper);
     }
   /* now figure what changed and add draw rects */
   /* if it just became visible or invisible */
   is_v = evas_object_is_visible(obj);
   was_v = evas_object_was_visible(obj);
   if (is_v != was_v)
     {
	updates = evas_object_render_pre_visible_change(updates, obj, is_v, was_v);
	goto done;
     }
   /* its not visible - we accounted for it appearing or not so just abort */
   if (!is_v) goto done;
   /* clipper changed this is in addition to anything else for obj */
   updates = evas_object_render_pre_clipper_change(updates, obj);
   /* if we restacked (layer or just within a layer) and dont clip anyone */
   if (obj->restack)
     {
	updates = evas_object_render_pre_prev_cur_add(updates, obj);
	goto done;
     }
   /* if it changed color */
   if ((obj->cur.color.r != obj->prev.color.r) ||
       (obj->cur.color.g != obj->prev.color.g) ||
       (obj->cur.color.b != obj->prev.color.b) ||
       (obj->cur.color.a != obj->prev.color.a))
     {
	updates = evas_object_render_pre_prev_cur_add(updates, obj);
	goto done;
     }
   /* if it changed geometry - and obviously not visibility or color */
   /* caluclate differences since we have a constant color fill */
   /* we really only need to update the differences */
   if ((obj->cur.geometry.x != obj->prev.geometry.x) ||
       (obj->cur.geometry.y != obj->prev.geometry.y) ||
       (obj->cur.geometry.w != obj->prev.geometry.w) ||
       (obj->cur.geometry.h != obj->prev.geometry.h))
     {
	updates = evas_object_render_pre_prev_cur_add(updates, obj);
	goto done;
     }
   if (o->changed)
     {
	if ((o->cur.size != o->prev.size) ||
	    ((o->cur.font) && (o->prev.font) && (strcmp(o->cur.font, o->prev.font))) ||
	    ((o->cur.font) && (!o->prev.font)) ||
	    ((!o->cur.font) && (o->prev.font)) ||
	    ((o->cur.text) && (o->prev.text) && (strcmp(o->cur.text, o->prev.text))) ||
	    ((o->cur.text) && (!o->prev.text)) ||
	    ((!o->cur.text) && (o->prev.text)))
	  {
	     updates = evas_object_render_pre_prev_cur_add(updates, obj);
	     goto done;
	  }
     }
   done:
   evas_object_render_pre_effect_updates(updates, obj, is_v, was_v);
}

static void
evas_object_text_render_post(Evas_Object *obj)
{
   Evas_Object_Text *o;

   /* this moves the current data to the previous state parts of the object */
   /* in whatever way is safest for the object. also if we don't need object */
   /* data anymore we can free it if the object deems this is a good idea */
   o = (Evas_Object_Text *)(obj->object_data);
   /* remove those pesky changes */
   while (obj->clip.changes)
     {
	Evas_Rectangle *r;

	r = (Evas_Rectangle *)obj->clip.changes->data;
	obj->clip.changes = evas_list_remove(obj->clip.changes, r);
	free(r);
     }
   /* move cur to prev safely for object data */
   obj->prev = obj->cur;
   o->prev = o->cur;
   o->changed = 0;
}

static int
evas_object_text_is_opaque(Evas_Object *obj)
{
   Evas_Object_Text *o;

   /* this returns 1 if the internal object data implies that the object is */
   /* currently fulyl opque over the entire gradient it occupies */
   o = (Evas_Object_Text *)(obj->object_data);
   return 0;
}

static int
evas_object_text_was_opaque(Evas_Object *obj)
{
   Evas_Object_Text *o;

   /* this returns 1 if the internal object data implies that the object was */
   /* currently fulyl opque over the entire gradient it occupies */
   o = (Evas_Object_Text *)(obj->object_data);
   return 0;
}