From: giwoong.kim <giwoong.kim@samsung.com>
Date: Mon, 6 Aug 2012 08:45:37 +0000 (+0900)
Subject: [Title] modified zoom filter mask in maru_rotozoom
X-Git-Tag: Tizen_Studio_1.3_Release_p2.3.1~1528^2~24
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8e1c4d233fe9920be677e148727229a9574f685c;p=sdk%2Femulator%2Fqemu.git

[Title] modified zoom filter mask in maru_rotozoom
[Type] feauture
[Module] Emulator / skin
[Priority] major
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution] c00 c01 c10 c11
[TestCase]
---

diff --git a/tizen/src/maru_sdl_rotozoom.h b/tizen/src/maru_sdl_rotozoom.h
index d4c747fbfc..7f7888d24a 100644
--- a/tizen/src/maru_sdl_rotozoom.h
+++ b/tizen/src/maru_sdl_rotozoom.h
@@ -74,6 +74,7 @@ static void interpolate_pixel_cpy(unsigned int *dst, unsigned int *src_addr, uns
         (((unsigned int) round(sum_b)) & 0x000000ff);
 #endif
 
+#if 0
     unsigned int sum_r = 0; //0x00ff0000
     unsigned int sum_g = 0; //0x0000ff00
     unsigned int sum_b = 0; //0x000000ff
@@ -97,6 +98,28 @@ static void interpolate_pixel_cpy(unsigned int *dst, unsigned int *src_addr, uns
         (src_addr[index_n] & B_CHANNEL_MASK) + (src_addr[index_s] & B_CHANNEL_MASK);
 
     *dst = 0xff000000 | ((sum_r / 5) & R_CHANNEL_MASK) | ((sum_g / 5) & G_CHANNEL_MASK) | ((sum_b / 5) & B_CHANNEL_MASK);
+#endif
+
+    unsigned int sum_r = 0; //0x00ff0000
+    unsigned int sum_g = 0; //0x0000ff00
+    unsigned int sum_b = 0; //0x000000ff
+
+    unsigned int c00 = (x * src_w) + y;
+    unsigned int c01 = (y + 1 > src_w) ? c00 : c00 + 1;
+    unsigned int c10 = (x + 1 > src_h) ? c00 : ((x + 1) * src_w) + y;
+    unsigned int c11 = (y + 1 > src_w) ? c00 : c10 + 1;
+
+    sum_r = (src_addr[c00] & R_CHANNEL_MASK) + (src_addr[c01] & R_CHANNEL_MASK) +
+        (src_addr[c10] & R_CHANNEL_MASK) + (src_addr[c11] & R_CHANNEL_MASK);
+
+    sum_g = (src_addr[c00] & G_CHANNEL_MASK) + (src_addr[c01] & G_CHANNEL_MASK) +
+        (src_addr[c10] & G_CHANNEL_MASK) + (src_addr[c11] & G_CHANNEL_MASK);
+
+    sum_b = (src_addr[c00] & B_CHANNEL_MASK) + (src_addr[c01] & B_CHANNEL_MASK) +
+        (src_addr[c10] & B_CHANNEL_MASK) + (src_addr[c11] & B_CHANNEL_MASK);
+
+    *dst = 0xff000000 | ((sum_r / 4) & R_CHANNEL_MASK) |
+        ((sum_g / 4) & G_CHANNEL_MASK) | ((sum_b / 4) & B_CHANNEL_MASK);
 }
 
 //TODO: optimization