From: Ji-hoon Lee <dalton.lee@samsung.com>
Date: Tue, 1 Nov 2016 11:15:51 +0000 (+0900)
Subject: Added support for png files that contains nine patch information
X-Git-Tag: accepted/tizen/3.0/common/20161114.082821~8
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=91d1782366d97fb8468851a62eefbb776787a21d;p=platform%2Fcore%2Fuifw%2Flibscl-ui.git

Added support for png files that contains nine patch information

Change-Id: I824fd2c0163f99e6654489770079e684174ed92c
---

diff --git a/scl/gwes/efl/sclgraphics-efl.cpp b/scl/gwes/efl/sclgraphics-efl.cpp
index 8fee354..9da68ab 100644
--- a/scl/gwes/efl/sclgraphics-efl.cpp
+++ b/scl/gwes/efl/sclgraphics-efl.cpp
@@ -48,12 +48,12 @@ sclint hash_string(const sclchar* str) {
 #endif
 using namespace scl;
 
-int iNumCreate = 0;
-
 extern void mouse_press(void *data, Evas *e, Evas_Object *object, void *event_info);
 extern void mouse_release(void *data, Evas *e, Evas_Object *object, void *event_info);
 extern void mouse_move(void *data, Evas *e, Evas_Object *object, void *event_info);
 
+static std::map<std::string, SclNinePatchInfo> _nine_patch_map;
+
 /**
  * Constructor
  */
@@ -135,6 +135,61 @@ Evas_Object* extract_partimage_from_fullimage(
     return image_ob;
 }
 
+static sclboolean check_nine_patch_png_file(const char *image_path)
+{
+    sclboolean found = FALSE;
+    for (sclint loop = strlen(image_path);!found && loop > 0;loop--) {
+        if (image_path[loop] == '.') {
+            found = TRUE;
+            if (loop >= 2) { // for checking prefix ".#"
+                if (strcasecmp(image_path + loop - 2, ".#.png") == 0) {
+                    return TRUE;
+                }
+            }
+        }
+    }
+    return FALSE;
+}
+
+SclNinePatchInfo get_nine_patch_info_from_png_file(Evas_Object *image_data, sclint w, sclint h)
+{
+    /* FIXME : Assuming we're dealing with 32bit image, need to check if there's any other cases */
+    SclNinePatchInfo ret = {0};
+    unsigned int *data = (unsigned int*)evas_object_image_data_get(image_data, EINA_FALSE);
+    if (data) {
+        int x, y;
+        sclboolean found;
+        found = FALSE;
+        for (x = 0;x < w && !found;x++) {
+            if (data[x] > 0) {
+                found = TRUE;
+                ret.left = x;
+            }
+        }
+        found = FALSE;
+        for (x = w - 1;x >= 0 && !found;x--) {
+            if (data[x] > 0) {
+                found = TRUE;
+                ret.right = w - (x + 1);
+            }
+        }
+        found = FALSE;
+        for (y = 0;y < h && !found;y++) {
+            if (data[y * w] > 0) {
+                found = TRUE;
+                ret.top = y;
+            }
+        }
+        found = FALSE;
+        for (y = h - 1;y >= 0 && !found;y--) {
+            if (data[y * w] > 0) {
+                found = TRUE;
+                ret.bottom = h - (y + 1);
+            }
+        }
+    }
+    return ret;
+}
 
 extern sclint magnifierx, magnifiery;
 void
@@ -252,7 +307,19 @@ CSCLGraphicsImplEfl::draw_image(sclwindow window, const scldrawctx draw_ctx, scl
                         int image_height = 0;
                         evas_object_image_file_set(image_object, image_path, NULL);
                         evas_object_image_size_get(image_object, &image_width, &image_height);
-                        if (cachedinfo) {
+
+                        sclboolean is_nine_patch_png = check_nine_patch_png_file(image_path);
+                        if (is_nine_patch_png) {
+                            std::map<std::string, SclNinePatchInfo>::iterator it = _nine_patch_map.find(image_path);
+                            if (it != _nine_patch_map.end()) {
+                                evas_object_image_border_set(image_object,
+                                    (*it).second.left, (*it).second.right, (*it).second.top, (*it).second.bottom);
+                            } else {
+                                SclNinePatchInfo info = get_nine_patch_info_from_png_file(image_object, image_width, image_height);
+                                evas_object_image_border_set(image_object, info.left, info.right, info.top, info.bottom);
+                                _nine_patch_map[std::string(image_path)] = info;
+                            }
+                        } else if (cachedinfo) {
                             evas_object_image_border_set(image_object,
                                     cachedinfo->nine_patch_left,
                                     cachedinfo->nine_patch_right,
@@ -321,7 +388,11 @@ CSCLGraphicsImplEfl::draw_image(sclwindow window, const scldrawctx draw_ctx, scl
                         } else {
                             evas_object_move(image_object, dest_x, dest_y);
                             if (dest_width > 0 && dest_height > 0) {
-                                evas_object_image_fill_set(image_object, 0, 0, dest_width, dest_height);
+                                if (is_nine_patch_png) {
+                                    evas_object_image_fill_set(image_object, -1, -1, dest_width + 2, dest_height + 2);
+                                } else {
+                                    evas_object_image_fill_set(image_object, 0, 0, dest_width, dest_height);
+                                }
                                 evas_object_resize(image_object, dest_width, dest_height);
                             }
                         }
@@ -462,7 +533,6 @@ CSCLGraphicsImplEfl::destroy_font(sclfont font)
 {
 }
 
-
 /**
  * Draws the given text on cairo-surface
  */