more glue/infra. glue evas api to engine together. gl engine gets stubs.

SVN revision: 51028

legacy/evas/src/lib/canvas/evas_object_image.c

@@ -1884,6 +1884,7 @@ evas_object_image_native_surface_set(Evas_Object *obj, Evas_Native_Surface *surf
    MAGIC_CHECK(o, Evas_Object_Image, MAGIC_OBJ_IMAGE);
    return;
    MAGIC_CHECK_END();
+   if (!obj->layer->evas->engine.func->image_native_set) return;
    o->engine_data = 
       obj->layer->evas->engine.func->image_native_set(obj->layer->evas->engine.data.output,
                                                       o->engine_data,
@@ -1911,6 +1912,7 @@ evas_object_image_native_surface_get(const Evas_Object *obj)
    MAGIC_CHECK(o, Evas_Object_Image, MAGIC_OBJ_IMAGE);
    return NULL;
    MAGIC_CHECK_END();
+   if (!obj->layer->evas->engine.func->image_native_get) return NULL;
    return obj->layer->evas->engine.func->image_native_get(obj->layer->evas->engine.data.output,
 							  o->engine_data);
 }
@@ -1945,6 +1947,10 @@ evas_object_image_scale_hint_set(Evas_Object *obj, Evas_Image_Scale_Hint hint)
      }
 #endif
    o->scale_hint = hint;
+   if (obj->layer->evas->engine.func->image_content_hint_set)
+      obj->layer->evas->engine.func->image_scale_hint_set
+      (obj->layer->evas->engine.data.output,
+          o->engine_data, o->content_hint);
 }
 
 /**
@@ -1998,8 +2004,12 @@ evas_object_image_content_hint_set(Evas_Object *obj, Evas_Image_Content_Hint hin
         if (o->engine_data)
           evas_common_pipe_op_image_flush(o->engine_data);
      }
-#endif   
+#endif
    o->content_hint = hint;
+   if (obj->layer->evas->engine.func->image_content_hint_set)
+      obj->layer->evas->engine.func->image_content_hint_set
+      (obj->layer->evas->engine.data.output,
+          o->engine_data, o->content_hint);
 }
 
 /**

legacy/evas/src/lib/include/evas_private.h

@@ -730,6 +730,9 @@ struct _Evas_Func
    void (*image_map4_draw)                 (void *data, void *context, void *surface, void *image, RGBA_Map_Point *p, int smooth, int level);
    void *(*image_map_surface_new)          (void *data, int w, int h, int alpha);
    void (*image_map_surface_free)          (void *data, void *surface);
+
+   void (*image_content_hint_set)          (void *data, void *surface, int hint);
+   int  (*image_content_hint_get)          (void *data, void *surface);
 };
 
 struct _Evas_Image_Load_Func

legacy/evas/src/modules/engines/gl_common/evas_gl_common.h

@@ -281,6 +281,8 @@ struct _Evas_GL_Image
       int           mipmap;
       unsigned char loose : 1;
    } native;
+
+   int scale_hint, content_hint;
    
    unsigned char    dirty : 1;
    unsigned char    cached : 1;
@@ -407,6 +409,8 @@ Evas_GL_Image    *evas_gl_common_image_new(Evas_GL_Context *gc, int w, int h, in
 Evas_GL_Image    *evas_gl_common_image_alpha_set(Evas_GL_Image *im, int alpha);
 void              evas_gl_common_image_native_enable(Evas_GL_Image *im);
 void              evas_gl_common_image_native_disable(Evas_GL_Image *im);
+void              evas_gl_common_image_scale_hint_set(Evas_GL_Image *im, int hint);
+void              evas_gl_common_image_content_hint_set(Evas_GL_Image *im, int hint);
 void              evas_gl_common_image_free(Evas_GL_Image *im);
 Evas_GL_Image    *evas_gl_common_image_surface_new(Evas_GL_Context *gc, int w, int h, int alpha);
 void              evas_gl_common_image_dirty(Evas_GL_Image *im, int x, int y, int w, int h);

legacy/evas/src/modules/engines/gl_common/evas_gl_image.c

@@ -264,6 +264,22 @@ evas_gl_common_image_native_disable(Evas_GL_Image *im)
      im->tex = evas_gl_common_texture_new(im->gc, im->im);
 }
 
+void
+evas_gl_common_image_scale_hint_set(Evas_GL_Image *im, int hint)
+{
+   im->scale_hint = hint;
+   // FIXME: take advantage of this even in gl (eg if image is
+   // 1600x1200 but we always use it at 800x600 or even less - drop
+   // the texture res down for "non dynamic" stuff to save memory)
+}
+
+void
+evas_gl_common_image_content_hint_set(Evas_GL_Image *im, int hint)
+{
+   im->content_hint = hint;
+   // FIXME: make use of content hint
+}
+
 void
 evas_gl_common_image_free(Evas_GL_Image *im)
 {

legacy/evas/src/modules/engines/gl_x11/evas_engine.c

@@ -1907,6 +1907,15 @@ eng_image_draw(void *data, void *context, void *surface, void *image, int src_x,
 static void
 eng_image_scale_hint_set(void *data __UNUSED__, void *image, int hint)
 {
+   if (image) evas_gl_common_image_scale_hint_set(image, hint);
+}
+
+static int
+eng_image_scale_hint_get(void *data __UNUSED__, void *image)
+{
+   Evas_GL_Image *gim = image;
+   if (!gim) return EVAS_IMAGE_SCALE_HINT_NONE;
+   return gim->scale_hint;
 }
 
 static void
@@ -1936,10 +1945,18 @@ eng_image_map_surface_free(void *data __UNUSED__, void *surface)
    evas_gl_common_image_free(surface);
 }
 
-static int
-eng_image_scale_hint_get(void *data __UNUSED__, void *image)
+static void
+eng_image_content_hint_set(void *data __UNUSED__, void *image, int hint)
 {
-   return EVAS_IMAGE_SCALE_HINT_NONE;
+   if (image) evas_gl_common_image_content_hint_set(image, hint);
+}
+
+static int
+eng_image_content_hint_get(void *data __UNUSED__, void *image)
+{
+   Evas_GL_Image *gim = image;
+   if (!gim) return EVAS_IMAGE_CONTENT_HINT_NONE;
+   return gim->content_hint;
 }
 
 static void
@@ -2098,6 +2115,9 @@ module_open(Evas_Module *em)
    ORD(image_map_surface_new);
    ORD(image_map_surface_free);
    
+   ORD(image_content_hint_set);
+   ORD(image_content_hint_get);
+   
    /* now advertise out own api */
    em->functions = (void *)(&func);
    return 1;

legacy/evas/src/modules/engines/software_generic/evas_engine.c

@@ -1240,7 +1240,9 @@ static Evas_Func func =
      /* FUTURE software generic calls go here (done) */
      eng_image_map4_draw,
      eng_image_map_surface_new,
-     eng_image_map_surface_free
+     eng_image_map_surface_free,
+     NULL, // eng_image_content_hint_set - software doesnt use it
+     NULL // eng_image_content_hint_get - software doesnt use it
      /* FUTURE software generic calls go here */
 };