From: sunghyun kim <scholb.kim@samsung.com>
Date: Thu, 11 Jul 2024 02:15:06 +0000 (+0900)
Subject: [Tizen] Use environment variable for shadow scaling factor
X-Git-Tag: accepted/tizen/unified/20240712.160050^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3a776e3b2ff1d5d12d31b5f25cacd3de43aacc61;p=platform%2Fcore%2Fgraphics%2Fcairo.git

[Tizen] Use environment variable for shadow scaling factor

Change-Id: I8201ff134f9e34a118309ea2cf5bed3b3bbd20f5
---

diff --git a/src/cairo-image-surface.c b/src/cairo-image-surface.c
index bf8e262f7..7a79896c7 100644
--- a/src/cairo-image-surface.c
+++ b/src/cairo-image-surface.c
@@ -92,6 +92,7 @@ static unsigned long shadow_caches_size = 0;
 static cairo_recursive_mutex_t shadow_caches_mutex;
 static unsigned shadow_caches_mutex_depth = 0;
 static cairo_atomic_int_t shadow_caches_ref_count = 0;
+static float shadow_scaling_factor = 0.5f;
 
 static void
 _cairo_image_shadow_caches_init (void)
@@ -104,6 +105,16 @@ _cairo_image_shadow_caches_init (void)
     if (shadow_caches_ref_count == 1)
 	cairo_list_init (&shadow_caches);
 
+    const char *env_value = getenv ("CUSTOM_SCALING_FACTOR");
+    if (env_value) {
+        float scaling_factor;
+        sscanf(env_value, "%f", &scaling_factor);
+        shadow_scaling_factor = scaling_factor;
+    }
+    else{
+        shadow_scaling_factor = 0.5f;
+    }
+
     CAIRO_MUTEX_UNLOCK (shadow_caches_mutex);
 }
 
@@ -1403,7 +1414,7 @@ _cairo_image_surface_shadow_surface (void *surface,
 	else if (width > MAX_IMAGE_SHADOW_SIZE * 2)
 	    shadow_width = MAX_IMAGE_SHADOW_SIZE;
 	else
-	    shadow_width = width * 0.5;
+	    shadow_width = width * shadow_scaling_factor;
     }
     else {
 	if (width > MAX_IMAGE_SHADOW_SIZE)
@@ -1420,7 +1431,7 @@ _cairo_image_surface_shadow_surface (void *surface,
 	else if (height > MAX_IMAGE_SHADOW_SIZE * 2)
 	    shadow_height = MAX_IMAGE_SHADOW_SIZE;
 	else
-	    shadow_height = height * 0.5;
+	    shadow_height = height * shadow_scaling_factor;
     }
     else {
 	if (height > MAX_IMAGE_SHADOW_SIZE)