efl_animation: Add scale animation instance

9 files changed, 417 insertions, 1 deletions

diff --git a/src/Makefile_Evas.am b/src/Makefile_Evas.am
index 76ffaf1d57..536d412783 100644
--- a/src/Makefile_Evas.am
+++ b/src/Makefile_Evas.am
@@ -51,6 +51,7 @@ evas_eolian_pub_files = \
 	lib/evas/canvas/efl_animation_instance.eo \
 	lib/evas/canvas/efl_animation_instance_alpha.eo \
 	lib/evas/canvas/efl_animation_instance_rotate.eo \
+	lib/evas/canvas/efl_animation_instance_scale.eo \
 	$(NULL)
 
 evas_eolian_legacy_files = \
@@ -135,7 +136,8 @@ lib/evas/canvas/efl_animation_rotate_private.h \
 lib/evas/canvas/efl_animation_scale_private.h \
 lib/evas/canvas/efl_animation_instance_private.h \
 lib/evas/canvas/efl_animation_instance_alpha_private.h \
-lib/evas/canvas/efl_animation_instance_rotate_private.h
+lib/evas/canvas/efl_animation_instance_rotate_private.h \
+lib/evas/canvas/efl_animation_instance_scale_private.h
 
 # Linebreak
 
@@ -228,6 +230,7 @@ lib/evas/canvas/efl_animation_scale.c \
 lib/evas/canvas/efl_animation_instance.c \
 lib/evas/canvas/efl_animation_instance_alpha.c \
 lib/evas/canvas/efl_animation_instance_rotate.c \
+lib/evas/canvas/efl_animation_instance_scale.c \
 $(NULL)
 
 EXTRA_DIST2 += \
diff --git a/src/lib/evas/Evas_Common.h b/src/lib/evas/Evas_Common.h
index 88807897f4..c87fa3ce63 100644
--- a/src/lib/evas/Evas_Common.h
+++ b/src/lib/evas/Evas_Common.h
@@ -3372,6 +3372,13 @@ typedef Eo Efl_Animation_Instance_Rotate;
 
 #endif
 
+#ifndef _EFL_ANIMATION_INSTANCE_SCALE_EO_CLASS_TYPE
+#define _EFL_ANIMATION_INSTANCE_SCALE_EO_CLASS_TYPE
+
+typedef Eo Efl_Animation_Instance_Scale;
+
+#endif
+
 struct _Efl_Animation_Instance_Animate_Event_Info
 {
    double progress;
diff --git a/src/lib/evas/Evas_Eo.h b/src/lib/evas/Evas_Eo.h
index b5c39dc6a9..ac367aac35 100644
--- a/src/lib/evas/Evas_Eo.h
+++ b/src/lib/evas/Evas_Eo.h
@@ -62,6 +62,7 @@
 #include "canvas/efl_animation_instance.eo.h"
 #include "canvas/efl_animation_instance_alpha.eo.h"
 #include "canvas/efl_animation_instance_rotate.eo.h"
+#include "canvas/efl_animation_instance_scale.eo.h"
 
 #endif /* EFL_EO_API_SUPPORT */
 
diff --git a/src/lib/evas/Evas_Internal.h b/src/lib/evas/Evas_Internal.h
index b791e5a3b7..30104c8baa 100644
--- a/src/lib/evas/Evas_Internal.h
+++ b/src/lib/evas/Evas_Internal.h
@@ -107,6 +107,14 @@ EOAPI void efl_animation_instance_rotate_absolute_set(Eo *obj, double from_degre
 EOAPI void efl_animation_instance_rotate_absolute_get(const Eo *obj, double *from_degree, double *to_degree, int *cx, int *cy);
 /* Efl.Animation.Instance.Rotate END */
 
+/* Efl.Animation.Instance.Scale */
+EOAPI void efl_animation_instance_scale_set(Eo *obj, double from_scale_x, double from_scale_y, double to_scale_x, double to_scale_y, Efl_Canvas_Object *pivot, double cx, double cy);
+EOAPI void efl_animation_instance_scale_get(const Eo *obj, double *from_scale_x, double *from_scale_y, double *to_scale_x, double *to_scale_y, Efl_Canvas_Object **pivot, double *cx, double *cy);
+
+EOAPI void efl_animation_instance_scale_absolute_set(Eo *obj, double from_scale_x, double from_scale_y, double to_scale_x, double to_scale_y, int cx, int cy);
+EOAPI void efl_animation_instance_scale_absolute_get(const Eo *obj, double *from_scale_x, double *from_scale_y, double *to_scale_x, double *to_scale_y, int *cx, int *cy);
+/* Efl.Animation.Instance.Scale END */
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/lib/evas/canvas/efl_animation_instance_scale.c b/src/lib/evas/canvas/efl_animation_instance_scale.c
new file mode 100644
index 0000000000..d2923ce486
--- /dev/null
+++ b/src/lib/evas/canvas/efl_animation_instance_scale.c
@@ -0,0 +1,297 @@
+#include "efl_animation_instance_scale_private.h"
+
+EOLIAN static void
+_efl_animation_instance_scale_scale_set(Eo *eo_obj,
+                                        Efl_Animation_Instance_Scale_Data *pd,
+                                        double from_scale_x,
+                                        double from_scale_y,
+                                        double to_scale_x,
+                                        double to_scale_y,
+                                        Efl_Canvas_Object *pivot,
+                                        double cx,
+                                        double cy)
+{
+   EFL_ANIMATION_INSTANCE_SCALE_CHECK_OR_RETURN(eo_obj);
+
+   pd->from.scale_x = from_scale_x;
+   pd->from.scale_y = from_scale_y;
+
+   pd->to.scale_x = to_scale_x;
+   pd->to.scale_y = to_scale_y;
+
+   pd->rel_pivot.obj = pivot;
+   pd->rel_pivot.cx = cx;
+   pd->rel_pivot.cy = cy;
+
+   //Update absolute pivot based on relative pivot
+   Evas_Coord x = 0;
+   Evas_Coord y = 0;
+   Evas_Coord w = 0;
+   Evas_Coord h = 0;
+
+   if (pivot)
+     evas_object_geometry_get(pivot, &x, &y, &w, &h);
+   else
+     {
+        Efl_Canvas_Object *target = efl_animation_instance_target_get(eo_obj);
+        if (target)
+          evas_object_geometry_get(target, &x, &y, &w, &h);
+     }
+
+   pd->abs_pivot.cx = x + (w * cx);
+   pd->abs_pivot.cy = y + (h * cy);
+
+   pd->use_rel_pivot = EINA_TRUE;
+}
+
+EOLIAN static void
+_efl_animation_instance_scale_scale_get(Eo *eo_obj,
+                                        Efl_Animation_Instance_Scale_Data *pd,
+                                        double *from_scale_x,
+                                        double *from_scale_y,
+                                        double *to_scale_x,
+                                        double *to_scale_y,
+                                        Efl_Canvas_Object **pivot,
+                                        double *cx,
+                                        double *cy)
+{
+   EFL_ANIMATION_INSTANCE_SCALE_CHECK_OR_RETURN(eo_obj);
+
+   //Update relative pivot based on absolute pivot
+   if (!pd->use_rel_pivot)
+     {
+        Evas_Coord x = 0;
+        Evas_Coord y = 0;
+        Evas_Coord w = 0;
+        Evas_Coord h = 0;
+
+        Efl_Canvas_Object *target = efl_animation_instance_target_get(eo_obj);
+        if (target)
+          evas_object_geometry_get(target, &x, &y, &w, &h);
+
+        if (w != 0)
+          pd->rel_pivot.cx = (double)(pd->abs_pivot.cx - x) / w;
+        else
+          pd->rel_pivot.cx = 0.0;
+
+        if (h != 0)
+          pd->rel_pivot.cy = (double)(pd->abs_pivot.cy - y) / h;
+        else
+          pd->rel_pivot.cy = 0.0;
+     }
+
+   if (from_scale_x)
+     *from_scale_x = pd->from.scale_x;
+
+   if (from_scale_y)
+     *from_scale_y = pd->from.scale_y;
+
+   if (to_scale_x)
+     *to_scale_x = pd->to.scale_x;
+
+   if (to_scale_y)
+     *to_scale_y = pd->to.scale_y;
+
+   if (pivot)
+     *pivot = pd->rel_pivot.obj;
+
+   if (cx)
+     *cx = pd->rel_pivot.cx;
+
+   if (cy)
+     *cy = pd->rel_pivot.cy;
+}
+
+EOLIAN static void
+_efl_animation_instance_scale_scale_absolute_set(Eo *eo_obj,
+                                                 Efl_Animation_Instance_Scale_Data *pd,
+                                                 double from_scale_x,
+                                                 double from_scale_y,
+                                                 double to_scale_x,
+                                                 double to_scale_y,
+                                                 Evas_Coord cx,
+                                                 Evas_Coord cy)
+{
+   EFL_ANIMATION_INSTANCE_SCALE_CHECK_OR_RETURN(eo_obj);
+
+   pd->from.scale_x = from_scale_x;
+   pd->from.scale_y = from_scale_y;
+
+   pd->to.scale_x = to_scale_x;
+   pd->to.scale_y = to_scale_y;
+
+   pd->abs_pivot.cx = cx;
+   pd->abs_pivot.cy = cy;
+
+   //Update relative pivot based on absolute pivot
+   Evas_Coord x = 0;
+   Evas_Coord y = 0;
+   Evas_Coord w = 0;
+   Evas_Coord h = 0;
+
+   Efl_Canvas_Object *target = efl_animation_instance_target_get(eo_obj);
+   if (target)
+     evas_object_geometry_get(target, &x, &y, &w, &h);
+
+   pd->rel_pivot.obj = NULL;
+
+   if (w != 0)
+     pd->rel_pivot.cx = (double)(cx - x) / w;
+   else
+     pd->rel_pivot.cx = 0.0;
+
+   if (h != 0)
+     pd->rel_pivot.cy = (double)(cy - y) / h;
+   else
+     pd->rel_pivot.cy = 0.0;
+
+   pd->use_rel_pivot = EINA_FALSE;
+}
+
+EOLIAN static void
+_efl_animation_instance_scale_scale_absolute_get(Eo *eo_obj,
+                                                 Efl_Animation_Instance_Scale_Data *pd,
+                                                 double *from_scale_x,
+                                                 double *from_scale_y,
+                                                 double *to_scale_x,
+                                                 double *to_scale_y,
+                                                 Evas_Coord *cx,
+                                                 Evas_Coord *cy)
+{
+   EFL_ANIMATION_INSTANCE_SCALE_CHECK_OR_RETURN(eo_obj);
+
+   //Update absolute pivot based on relative pivot
+   if (pd->use_rel_pivot)
+     {
+        Evas_Coord x = 0;
+        Evas_Coord y = 0;
+        Evas_Coord w = 0;
+        Evas_Coord h = 0;
+
+        if (pd->rel_pivot.obj)
+          evas_object_geometry_get(pd->rel_pivot.obj, &x, &y, &w, &h);
+        else
+          {
+             Efl_Canvas_Object *target
+                = efl_animation_instance_target_get(eo_obj);
+             if (target)
+               evas_object_geometry_get(target, &x, &y, &w, &h);
+          }
+
+        pd->abs_pivot.cx = x + (w * pd->rel_pivot.cx);
+        pd->abs_pivot.cy = y + (h * pd->rel_pivot.cy);
+     }
+
+   if (from_scale_x)
+     *from_scale_x = pd->from.scale_x;
+
+   if (from_scale_y)
+     *from_scale_y = pd->from.scale_y;
+
+   if (to_scale_x)
+     *to_scale_x = pd->to.scale_x;
+
+   if (to_scale_y)
+     *to_scale_y = pd->to.scale_y;
+
+   if (cx)
+     *cx = pd->abs_pivot.cx;
+
+   if (cy)
+     *cy = pd->abs_pivot.cy;
+}
+
+EOLIAN static void
+_efl_animation_instance_scale_efl_animation_instance_duration_set(Eo *eo_obj,
+                                                                  Efl_Animation_Instance_Scale_Data *pd EINA_UNUSED,
+                                                                  double duration)
+{
+   EFL_ANIMATION_INSTANCE_SCALE_CHECK_OR_RETURN(eo_obj);
+
+   /* For a single animation instance, duration should be equal to or bigger
+    * than 0.0. */
+   if (duration < 0.0) return;
+
+   //For a single animation instance, total duration is the same as duration.
+   efl_animation_instance_total_duration_set(eo_obj, duration);
+
+   efl_animation_instance_duration_set(efl_super(eo_obj, MY_CLASS), duration);
+}
+
+static void
+_progress_set(Eo *eo_obj, double progress)
+{
+   EFL_ANIMATION_INSTANCE_SCALE_DATA_GET(eo_obj, pd);
+
+   Efl_Canvas_Object *target = efl_animation_instance_target_get(eo_obj);
+   if (!target) return;
+
+   double scale_x =
+      (pd->from.scale_x * (1.0 - progress)) + (pd->to.scale_x * progress);
+
+   double scale_y =
+      (pd->from.scale_y * (1.0 - progress)) + (pd->to.scale_y * progress);
+
+   if (pd->use_rel_pivot)
+     {
+        efl_gfx_map_zoom(target,
+                         scale_x, scale_y,
+                         pd->rel_pivot.obj,
+                         pd->rel_pivot.cx, pd->rel_pivot.cy);
+     }
+   else
+     {
+        efl_gfx_map_zoom_absolute(target,
+                                  scale_x, scale_y,
+                                  pd->abs_pivot.cx, pd->abs_pivot.cy);
+     }
+}
+
+static void
+_pre_animate_cb(void *data EINA_UNUSED, const Efl_Event *event)
+{
+   Efl_Animation_Instance_Animate_Event_Info *event_info = event->info;
+
+   _progress_set(event->object, event_info->progress);
+}
+
+EOLIAN static Efl_Object *
+_efl_animation_instance_scale_efl_object_constructor(Eo *eo_obj,
+                                                     Efl_Animation_Instance_Scale_Data *pd)
+{
+   eo_obj = efl_constructor(efl_super(eo_obj, MY_CLASS));
+
+   pd->from.scale_x = 1.0;
+   pd->from.scale_y = 1.0;
+
+   pd->rel_pivot.obj = NULL;
+   pd->rel_pivot.cx = 0.5;
+   pd->rel_pivot.cy = 0.5;
+
+   pd->abs_pivot.cx = 0;
+   pd->abs_pivot.cy = 0;
+
+   pd->use_rel_pivot = EINA_TRUE;
+
+   //pre animate event is supported within class only (protected event)
+   efl_event_callback_add(eo_obj, EFL_ANIMATION_INSTANCE_EVENT_PRE_ANIMATE, _pre_animate_cb, NULL);
+
+   return eo_obj;
+}
+
+/* Internal EO APIs */
+
+EOAPI EFL_VOID_FUNC_BODYV(efl_animation_instance_scale_set, EFL_FUNC_CALL(from_scale_x, from_scale_y, to_scale_x, to_scale_y, pivot, cx, cy), double from_scale_x, double from_scale_y, double to_scale_x, double to_scale_y, Efl_Canvas_Object *pivot, double cx, double cy);
+EOAPI EFL_VOID_FUNC_BODYV_CONST(efl_animation_instance_scale_get, EFL_FUNC_CALL(from_scale_x, from_scale_y, to_scale_x, to_scale_y, pivot, cx, cy), double *from_scale_x, double *from_scale_y, double *to_scale_x, double *to_scale_y, Efl_Canvas_Object **pivot, double *cx, double *cy);
+
+EOAPI EFL_VOID_FUNC_BODYV(efl_animation_instance_scale_absolute_set, EFL_FUNC_CALL(from_scale_x, from_scale_y, to_scale_x, to_scale_y, cx, cy), double from_scale_x, double from_scale_y, double to_scale_x, double to_scale_y, int cx, int cy);
+EOAPI EFL_VOID_FUNC_BODYV_CONST(efl_animation_instance_scale_absolute_get, EFL_FUNC_CALL(from_scale_x, from_scale_y, to_scale_x, to_scale_y, cx, cy), double *from_scale_x, double *from_scale_y, double *to_scale_x, double *to_scale_y, int *cx, int *cy);
+
+#define EFL_ANIMATION_INSTANCE_SCALE_EXTRA_OPS \
+   EFL_OBJECT_OP_FUNC(efl_animation_instance_scale_set, _efl_animation_instance_scale_scale_set), \
+   EFL_OBJECT_OP_FUNC(efl_animation_instance_scale_get, _efl_animation_instance_scale_scale_get), \
+   EFL_OBJECT_OP_FUNC(efl_animation_instance_scale_absolute_set, _efl_animation_instance_scale_scale_absolute_set), \
+   EFL_OBJECT_OP_FUNC(efl_animation_instance_scale_absolute_get, _efl_animation_instance_scale_scale_absolute_get), \
+   EFL_OBJECT_OP_FUNC(efl_animation_instance_duration_set, _efl_animation_instance_scale_efl_animation_instance_duration_set)
+
+#include "efl_animation_instance_scale.eo.c"
diff --git a/src/lib/evas/canvas/efl_animation_instance_scale.eo b/src/lib/evas/canvas/efl_animation_instance_scale.eo
new file mode 100644
index 0000000000..6c8bf0b2cc
--- /dev/null
+++ b/src/lib/evas/canvas/efl_animation_instance_scale.eo
@@ -0,0 +1,10 @@
+import efl_animation_types;
+
+class Efl.Animation.Instance.Scale (Efl.Animation.Instance)
+{
+   [[Efl scale animation instance class]]
+   data: Efl_Animation_Instance_Scale_Data;
+   implements {
+      Efl.Object.constructor;
+   }
+}
diff --git a/src/lib/evas/canvas/efl_animation_instance_scale_private.h b/src/lib/evas/canvas/efl_animation_instance_scale_private.h
new file mode 100644
index 0000000000..bf050f33b3
--- /dev/null
+++ b/src/lib/evas/canvas/efl_animation_instance_scale_private.h
@@ -0,0 +1,49 @@
+#define EFL_ANIMATION_INSTANCE_PROTECTED
+#define EFL_ANIMATION_INSTANCE_SCALE_PROTECTED
+
+#include "evas_common_private.h"
+
+#define MY_CLASS EFL_ANIMATION_INSTANCE_SCALE_CLASS
+#define MY_CLASS_NAME efl_class_name_get(MY_CLASS)
+
+#define EFL_ANIMATION_INSTANCE_SCALE_CHECK_OR_RETURN(inst, ...) \
+   do { \
+      if (!inst) { \
+         CRI("Efl_Animation_Instance " # inst " is NULL!"); \
+         return __VA_ARGS__; \
+      } \
+      if (efl_animation_instance_is_deleted(inst)) { \
+         ERR("Efl_Animation_Instance " # inst " has already been deleted!"); \
+         return __VA_ARGS__; \
+      } \
+   } while (0)
+
+#define EFL_ANIMATION_INSTANCE_SCALE_DATA_GET(o, pd) \
+   Efl_Animation_Instance_Scale_Data *pd = efl_data_scope_get(o, EFL_ANIMATION_INSTANCE_SCALE_CLASS)
+
+typedef struct _Efl_Animation_Instance_Scale_Property
+{
+   double scale_x, scale_y;
+} Efl_Animation_Instance_Scale_Property;
+
+typedef struct _Efl_Animation_Instance_Scale_Absolute_Pivot
+{
+   Evas_Coord cx, cy;
+} Efl_Animation_Instance_Scale_Absolute_Pivot;
+
+typedef struct _Efl_Animation_Instance_Scale_Relative_Pivot
+{
+   Efl_Canvas_Object *obj;
+   double             cx, cy;
+} Efl_Animation_Instance_Scale_Relative_Pivot;
+
+typedef struct _Efl_Animation_Instance_Scale_Data
+{
+   Efl_Animation_Instance_Scale_Property from;
+   Efl_Animation_Instance_Scale_Property to;
+
+   Efl_Animation_Instance_Scale_Absolute_Pivot abs_pivot;
+   Efl_Animation_Instance_Scale_Relative_Pivot rel_pivot;
+
+   Eina_Bool use_rel_pivot;
+} Efl_Animation_Instance_Scale_Data;
diff --git a/src/lib/evas/canvas/efl_animation_scale.c b/src/lib/evas/canvas/efl_animation_scale.c
index fa624ae83c..2ffb2885b7 100644
--- a/src/lib/evas/canvas/efl_animation_scale.c
+++ b/src/lib/evas/canvas/efl_animation_scale.c
@@ -216,6 +216,46 @@ _efl_animation_scale_efl_animation_duration_set(Eo *eo_obj,
    efl_animation_duration_set(efl_super(eo_obj, MY_CLASS), duration);
 }
 
+EOLIAN static Efl_Animation_Instance *
+_efl_animation_scale_efl_animation_instance_create(Eo *eo_obj,
+                                                   Efl_Animation_Scale_Data *pd)
+{
+   EFL_ANIMATION_SCALE_CHECK_OR_RETURN(eo_obj, NULL);
+
+   Efl_Animation_Instance_Scale *instance
+      = efl_add(EFL_ANIMATION_INSTANCE_SCALE_CLASS, NULL);
+
+   Efl_Canvas_Object *target = efl_animation_target_get(eo_obj);
+   efl_animation_instance_target_set(instance, target);
+
+   Eina_Bool state_keep = efl_animation_final_state_keep_get(eo_obj);
+   efl_animation_instance_final_state_keep_set(instance, state_keep);
+
+   double duration = efl_animation_duration_get(eo_obj);
+   efl_animation_instance_duration_set(instance, duration);
+
+   double total_duration = efl_animation_total_duration_get(eo_obj);
+   efl_animation_instance_total_duration_set(instance, total_duration);
+
+   if (pd->use_rel_pivot)
+     {
+        efl_animation_instance_scale_set(instance,
+                                         pd->from.scale_x, pd->from.scale_y,
+                                         pd->to.scale_x, pd->to.scale_y,
+                                         pd->rel_pivot.obj,
+                                         pd->rel_pivot.cx, pd->rel_pivot.cy);
+     }
+   else
+     {
+        efl_animation_instance_scale_absolute_set(instance,
+                                                  pd->from.scale_x, pd->from.scale_y,
+                                                  pd->to.scale_x, pd->to.scale_y,
+                                                  pd->abs_pivot.cx, pd->abs_pivot.cy);
+     }
+
+   return instance;
+}
+
 EOLIAN static Efl_Object *
 _efl_animation_scale_efl_object_constructor(Eo *eo_obj,
                                             Efl_Animation_Scale_Data *pd)
diff --git a/src/lib/evas/canvas/efl_animation_scale.eo b/src/lib/evas/canvas/efl_animation_scale.eo
index 7e3be30b57..5fb32ee8fb 100644
--- a/src/lib/evas/canvas/efl_animation_scale.eo
+++ b/src/lib/evas/canvas/efl_animation_scale.eo
@@ -38,5 +38,6 @@ class Efl.Animation.Scale (Efl.Animation)
    implements {
       Efl.Object.constructor;
       Efl.Animation.duration { set; }
+      Efl.Animation.instance_create;
    }
 }