1 files changed, 461 insertions, 0 deletions

diff --git a/libraries/evas/src/lib/canvas/evas_object_line.c b/libraries/evas/src/lib/canvas/evas_object_line.c
new file mode 100644
index 0000000..b09a6e2
--- /dev/null
+++ b/libraries/evas/src/lib/canvas/evas_object_line.c
@@ -0,0 +1,461 @@
+#include "evas_common.h"
+#include "evas_private.h"
+
+/* private magic number for line objects */
+static const char o_type[] = "line";
+
+/* private struct for line object internal data */
+typedef struct _Evas_Object_Line      Evas_Object_Line;
+
+struct _Evas_Object_Line
+{
+   DATA32            magic;
+   struct {
+      struct {
+         int         x1, y1, x2, y2;
+         struct {
+            Evas_Coord w, h;
+         } object;
+      } cache;
+      Evas_Coord         x1, y1, x2, y2;
+   } cur, prev;
+
+   void             *engine_data;
+
+   char              changed : 1;
+};
+
+/* private methods for line objects */
+static void evas_object_line_init(Evas_Object *obj);
+static void *evas_object_line_new(void);
+static void evas_object_line_render(Evas_Object *obj, void *output, void *context, void *surface, int x, int y);
+static void evas_object_line_free(Evas_Object *obj);
+static void evas_object_line_render_pre(Evas_Object *obj);
+static void evas_object_line_render_post(Evas_Object *obj);
+
+static unsigned int evas_object_line_id_get(Evas_Object *obj);
+static unsigned int evas_object_line_visual_id_get(Evas_Object *obj);
+static void *evas_object_line_engine_data_get(Evas_Object *obj);
+
+static int evas_object_line_is_opaque(Evas_Object *obj);
+static int evas_object_line_was_opaque(Evas_Object *obj);
+static int evas_object_line_is_inside(Evas_Object *obj, Evas_Coord x, Evas_Coord y);
+static int evas_object_line_was_inside(Evas_Object *obj, Evas_Coord x, Evas_Coord y);
+static void evas_object_line_coords_recalc(Evas_Object *obj);
+
+static const Evas_Object_Func object_func =
+{
+   /* methods (compulsory) */
+   evas_object_line_free,
+     evas_object_line_render,
+     evas_object_line_render_pre,
+     evas_object_line_render_post,
+     evas_object_line_id_get,
+     evas_object_line_visual_id_get,
+     evas_object_line_engine_data_get,
+   /* these are optional. NULL = nothing */
+     NULL,
+     NULL,
+     NULL,
+     NULL,
+     evas_object_line_is_opaque,
+     evas_object_line_was_opaque,
+     evas_object_line_is_inside,
+     evas_object_line_was_inside,
+     evas_object_line_coords_recalc,
+     NULL,
+     NULL,
+     NULL,
+     NULL
+};
+
+/* the actual api call to add a rect */
+/* it has no other api calls as all properties are standard */
+
+EVAS_MEMPOOL(_mp_obj);
+
+EAPI Evas_Object *
+evas_object_line_add(Evas *e)
+{
+   Evas_Object *obj;
+
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return NULL;
+   MAGIC_CHECK_END();
+   obj = evas_object_new(e);
+   evas_object_line_init(obj);
+   evas_object_inject(obj, e);
+   return obj;
+}
+
+EAPI void
+evas_object_line_xy_set(Evas_Object *obj, Evas_Coord x1, Evas_Coord y1, Evas_Coord x2, Evas_Coord y2)
+{
+   Evas_Object_Line *o;
+   Evas_Coord min_x, max_x, min_y, max_y;
+   int is, was = 0;
+
+   MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
+   return;
+   MAGIC_CHECK_END();
+   o = (Evas_Object_Line *)(obj->object_data);
+   MAGIC_CHECK(o, Evas_Object_Line, MAGIC_OBJ_LINE);
+   return;
+   MAGIC_CHECK_END();
+   if ((x1 == o->cur.x1) && (y1 == o->cur.y1) &&
+       (x2 == o->cur.x2) && (y2 == o->cur.y2)) return;
+   if (obj->layer->evas->events_frozen <= 0)
+     {
+        if (!evas_event_passes_through(obj) &&
+            !evas_event_freezes_through(obj))
+          was = evas_object_is_in_output_rect(obj,
+                                              obj->layer->evas->pointer.x,
+                                              obj->layer->evas->pointer.y,
+                                              1, 1);
+     }
+   if (x1 < x2)
+     {
+        min_x = x1;
+        max_x = x2;
+     }
+   else
+     {
+        min_x = x2;
+        max_x = x1;
+     }
+   if (y1 < y2)
+     {
+        min_y = y1;
+        max_y = y2;
+     }
+   else
+     {
+        min_y = y2;
+        max_y = y1;
+     }
+   obj->cur.geometry.x = min_x;
+   obj->cur.geometry.y = min_y;
+   obj->cur.geometry.w = max_x - min_x + 2;
+   obj->cur.geometry.h = max_y - min_y + 2;
+////   obj->cur.cache.geometry.validity = 0;
+   o->cur.x1 = x1 - min_x;
+   o->cur.y1 = y1 - min_y;
+   o->cur.x2 = x2 - min_x;
+   o->cur.y2 = y2 - min_y;
+   o->changed = 1;
+   evas_object_change(obj);
+   evas_object_coords_recalc(obj);
+   evas_object_clip_dirty(obj);
+   if (obj->layer->evas->events_frozen <= 0)
+     {
+        is = evas_object_is_in_output_rect(obj,
+                                           obj->layer->evas->pointer.x,
+                                           obj->layer->evas->pointer.y, 1, 1);
+        if (!evas_event_passes_through(obj) &&
+            !evas_event_freezes_through(obj))
+          {
+             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_move(obj);
+   evas_object_inform_call_resize(obj);
+}
+
+EAPI void
+evas_object_line_xy_get(const Evas_Object *obj, Evas_Coord *x1, Evas_Coord *y1, Evas_Coord *x2, Evas_Coord *y2)
+{
+   Evas_Object_Line *o;
+
+   MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
+   if (x1) *x1 = 0;
+   if (y1) *y1 = 0;
+   if (x2) *x2 = 0;
+   if (y2) *y2 = 0;
+   return;
+   MAGIC_CHECK_END();
+   o = (Evas_Object_Line *)(obj->object_data);
+   MAGIC_CHECK(o, Evas_Object_Line, MAGIC_OBJ_LINE);
+   if (x1) *x1 = 0;
+   if (y1) *y1 = 0;
+   if (x2) *x2 = 0;
+   if (y2) *y2 = 0;
+   return;
+   MAGIC_CHECK_END();
+   if (x1) *x1 = obj->cur.geometry.x + o->cur.x1;
+   if (y1) *y1 = obj->cur.geometry.y + o->cur.y1;
+   if (x2) *x2 = obj->cur.geometry.x + o->cur.x2;
+   if (y2) *y2 = obj->cur.geometry.y + o->cur.y2;
+}
+
+/* all nice and private */
+static void
+evas_object_line_init(Evas_Object *obj)
+{
+   /* alloc image ob, setup methods and default values */
+   obj->object_data = evas_object_line_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;
+   obj->cur.geometry.y = 0;
+   obj->cur.geometry.w = 0;
+   obj->cur.geometry.h = 0;
+   obj->cur.layer = 0;
+   obj->cur.anti_alias = 1;
+   obj->cur.render_op = EVAS_RENDER_BLEND;
+   /* 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_line_new(void)
+{
+   Evas_Object_Line *o;
+
+   /* alloc obj private data */
+   EVAS_MEMPOOL_INIT(_mp_obj, "evas_object_line", Evas_Object_Line, 16, NULL);
+   o = EVAS_MEMPOOL_ALLOC(_mp_obj, Evas_Object_Line);
+   if (!o) return NULL;
+   EVAS_MEMPOOL_PREP(_mp_obj, o, Evas_Object_Line);
+   o->magic = MAGIC_OBJ_LINE;
+   o->cur.x1 = 0;
+   o->cur.y1 = 0;
+   o->cur.x2 = 31;
+   o->cur.y2 = 31;
+   o->prev = o->cur;
+   return o;
+}
+
+static void
+evas_object_line_free(Evas_Object *obj)
+{
+   Evas_Object_Line *o;
+
+   /* frees private object data. very simple here */
+   o = (Evas_Object_Line *)(obj->object_data);
+   MAGIC_CHECK(o, Evas_Object_Line, MAGIC_OBJ_LINE);
+   return;
+   MAGIC_CHECK_END();
+   /* free obj */
+   o->magic = 0;
+   EVAS_MEMPOOL_FREE(_mp_obj, o);
+}
+
+static void
+evas_object_line_render(Evas_Object *obj, void *output, void *context, void *surface, int x, int y)
+{
+   Evas_Object_Line *o;
+
+   /* render object to surface with context, and offxet by x,y */
+   o = (Evas_Object_Line *)(obj->object_data);
+   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);
+   obj->layer->evas->engine.func->context_multiplier_unset(output,
+                                                           context);
+   obj->layer->evas->engine.func->context_anti_alias_set(output, context,
+                                                         obj->cur.anti_alias);
+   obj->layer->evas->engine.func->context_render_op_set(output, context,
+                                                        obj->cur.render_op);
+   obj->layer->evas->engine.func->line_draw(output,
+                                            context,
+                                            surface,
+                                            o->cur.cache.x1 + x,
+                                            o->cur.cache.y1 + y,
+                                            o->cur.cache.x2 + x,
+                                            o->cur.cache.y2 + y);
+}
+
+static void
+evas_object_line_render_pre(Evas_Object *obj)
+{
+   Evas_Object_Line *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 the appropriate redraw lines */
+   o = (Evas_Object_Line *)(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)
+     {
+        evas_object_render_pre_visible_change(&obj->layer->evas->clip_changes, obj, is_v, was_v);
+        goto done;
+     }
+   if ((obj->cur.map != obj->prev.map) ||
+       (obj->cur.usemap != obj->prev.usemap))
+     {
+        evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, obj);
+        goto done;
+     }
+   /* it's 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 */
+   evas_object_render_pre_clipper_change(&obj->layer->evas->clip_changes, obj);
+   /* if we restacked (layer or just within a layer) */
+   if (obj->restack)
+     {
+        evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, obj);
+        goto done;
+     }
+   /* if it changed anti_alias */
+   if (obj->cur.anti_alias != obj->prev.anti_alias)
+     {
+        evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, obj);
+        goto done;
+     }
+   /* if it changed render op */
+   if (obj->cur.render_op != obj->prev.render_op)
+     {
+        evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, 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))
+     {
+        evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, obj);
+        goto done;
+     }
+   /* if it changed geometry - and obviously not visibility or color */
+   /* calculate 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) ||
+       ((o->changed) &&
+        ((o->cur.x1 != o->prev.x1) ||
+         (o->cur.y1 != o->prev.y1) ||
+         (o->cur.x2 != o->prev.x2) ||
+         (o->cur.y2 != o->prev.y2)))
+       )
+     {
+        evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, obj);
+        goto done;
+     }
+   done:
+   evas_object_render_pre_effect_updates(&obj->layer->evas->clip_changes, obj, is_v, was_v);
+}
+
+static void
+evas_object_line_render_post(Evas_Object *obj)
+{
+   Evas_Object_Line *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_Line *)(obj->object_data);
+   /* remove those pesky changes */
+   evas_object_clip_changes_clean(obj);
+   /* move cur to prev safely for object data */
+   obj->prev = obj->cur;
+   o->prev = o->cur;
+   o->changed = 0;
+}
+
+static unsigned int evas_object_line_id_get(Evas_Object *obj)
+{
+   Evas_Object_Line *o;
+
+   o = (Evas_Object_Line *)(obj->object_data);
+   if (!o) return 0;
+   return MAGIC_OBJ_LINE;
+}
+
+static unsigned int evas_object_line_visual_id_get(Evas_Object *obj)
+{
+   Evas_Object_Line *o;
+
+   o = (Evas_Object_Line *)(obj->object_data);
+   if (!o) return 0;
+   return MAGIC_OBJ_SHAPE;
+}
+
+static void *evas_object_line_engine_data_get(Evas_Object *obj)
+{
+   Evas_Object_Line *o;
+
+   o = (Evas_Object_Line *)(obj->object_data);
+   if (!o) return NULL;
+   return o->engine_data;
+}
+
+static int
+evas_object_line_is_opaque(Evas_Object *obj __UNUSED__)
+{
+   /* this returns 1 if the internal object data implies that the object is */
+   /* currently fully opaque over the entire line it occupies */
+   return 0;
+}
+
+static int
+evas_object_line_was_opaque(Evas_Object *obj __UNUSED__)
+{
+   /* this returns 1 if the internal object data implies that the object was */
+   /* previously fully opaque over the entire line it occupies */
+   return 0;
+}
+
+static int
+evas_object_line_is_inside(Evas_Object *obj __UNUSED__, Evas_Coord x __UNUSED__, Evas_Coord y __UNUSED__)
+{
+   /* this returns 1 if the canvas co-ordinates are inside the object based */
+   /* on object private data. not much use for rects, but for polys, images */
+   /* and other complex objects it might be */
+   return 1;
+}
+
+static int
+evas_object_line_was_inside(Evas_Object *obj __UNUSED__, Evas_Coord x __UNUSED__, Evas_Coord y __UNUSED__)
+{
+   /* this returns 1 if the canvas co-ordinates were inside the object based */
+   /* on object private data. not much use for rects, but for polys, images */
+   /* and other complex objects it might be */
+   return 1;
+}
+
+static void
+evas_object_line_coords_recalc(Evas_Object *obj)
+{
+   Evas_Object_Line *o;
+
+   o = (Evas_Object_Line *)(obj->object_data);
+   o->cur.cache.x1 = obj->cur.geometry.x + o->cur.x1;
+   o->cur.cache.y1 = obj->cur.geometry.y + o->cur.y1;
+   o->cur.cache.x2 = obj->cur.geometry.x + o->cur.x2;
+   o->cur.cache.y2 = obj->cur.geometry.y + o->cur.y2;
+   o->cur.cache.object.w = obj->cur.geometry.w;
+   o->cur.cache.object.h = obj->cur.geometry.h;
+}